CN211601108U - Integrated heat pump water heater - Google Patents

Abstract

The utility model discloses an integrated heat pump water heater, which comprises a water tank and a host, wherein the water tank shell part comprises a shell and an end cover; the housing comprises a circumferential shell and an upper cover, the circumferential shell is an integrated injection molding piece, the upper cover is detachably and fixedly connected to the top end of the circumferential shell, and the circumferential shell is connected with the end cover; the end cover is a sheet metal part and comprises a top plate and a circumferential side plate, an outward convex supporting part is formed on the circumferential side plate, the circumferential shell is sleeved on the circumferential side plate, and the bottom end of the circumferential shell is supported on the supporting part and attached to the top surface of the supporting part. The utility model discloses avoided current components of a whole that can function independently housing to have two at least vertical flashing joints, the poor problem of waterproof function on the side of circumference, the end cover is the sheet metal component simultaneously, housing circumference casing cover establish on the circumference curb plate of end cover and circumference casing bottom support on the supporting part and with the top surface laminating of supporting part, also can effectively reduce circumference flashing joint, reduce the installation degree of difficulty of housing simultaneously.

Description

Integrated heat pump water heater

Technical Field

The utility model belongs to the technical field of the water heater, concretely relates to integral type heat pump water heater's institutional advancement.

Background

The working principle of the heat pump water heater is that low-temperature low-pressure refrigerant liquid in an evaporator absorbs heat in air to gasify the refrigerant into low-temperature low-pressure refrigerant gas, then the refrigerant is compressed by a compressor to perform work and then is pressurized and heated to become high-temperature high-pressure gas, the high-temperature high-pressure gas is subjected to heat exchange with water in a water tank by a heat exchanger in the water tank of the heat pump water heater, the refrigerant is changed into low-temperature high-pressure liquid, the low-temperature low-pressure liquid is throttled by a throttling device to enter the evaporator for repeated circulation, and the water temperature is heated by the high-temperature heat energy compressed by the compressor. The traditional electric water heater and the traditional gas water heater obtain heat energy by consuming gas and electric energy, while the heat pump water heater achieves the purpose of heating water by absorbing heat in air, and can absorb heat energy which is about three times of electric energy to heat water under the condition of consuming the same electric energy, thereby having the characteristics of energy saving and high efficiency and being gradually widely used.

The heat pump water heater mainly comprises a split type air energy unit and an integrated type air energy heat pump water heater on the market, wherein the integrated type air energy heat pump water heater is an air energy unit with a host machine and a water tank integrated, the host machine is generally arranged on the water tank, and the whole air energy heat pump water heater is in a cylindrical shape. The split type air energy heat pump water heater is an air energy unit with a main machine and a water tank which are separated into two parts, the appearance of the main machine is similar to that of an air conditioner external machine, and the water tank is mostly a cylinder or a cuboid.

Wherein, to integral type heat pump water heater, the host computer of top is usually fixed on the shell top end cover of water tank by the bottom reason of its housing, and current housing generally divide into the components of a whole that can function independently structure of front and back or left and right sides two parts, uses a plurality of screw fastening together, because the housing is components of a whole that can function independently structure, appears the joint gap in the junction, and waterproof function is not good enough, and need use a plurality of screw fastening at the housing assembly in-process, consequently assembles and demolishs equally consuming time. In addition, the end cover of current water tank shell is the working of plastics, and the host computer housing assembles through the protruding draw-in groove joint on its bottom and the end cover circumference edge, assembles with the draw-in groove for being convenient for the arch, will leave certain assembly clearance between housing bottom and the end cover, and the circumferential flash joint is great after leading to the two to assemble.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses split type housing assembly flash joint to integral type heat pump water heater exists among the prior art is big, and assembles the great problem of flash joint between housing and the plastics end cover, provides an integral type heat pump water heater to solve above-mentioned technical problem.

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

an integrated heat pump water heater comprising:

the water tank comprises a shell and an end cover which is arranged at the top end of the shell and used for plugging the top end opening of the shell;

the main machine is arranged on an end cover of the water tank and comprises a housing;

the housing comprises a circumferential shell forming a circumferential side wall of the housing and an upper cover forming a top wall of the housing, the circumferential shell is an integral injection molding piece, the upper cover is detachably and fixedly connected to the top end of the circumferential shell, and the circumferential shell is connected with the end cover;

the end cover is a sheet metal part and comprises a top plate and a relative circumferential side plate bent downwards from the top plate, a convex supporting part is formed on the circumferential side plate, the supporting part surrounds the circumferential side plate for a circle along the circumferential direction, the circumferential shell is sleeved on the circumferential side plate, and the bottom end of the circumferential shell is supported on the supporting part and is attached to the top surface of the supporting part.

The part of the circumferential side plate above the supporting part is in a conical shape with a narrow top and a wide bottom, and a guide inclined plane is correspondingly formed at the bottom end of the inner wall of the circumferential shell.

The top plate is provided with a plurality of L-shaped clamping holes distributed along the circumference, the inner wall of the circumferential shell is provided with Z-shaped buckles in one-to-one correspondence with the L-shaped clamping holes, and the Z-shaped buckles are clamped at one ends of the L-shaped clamping holes.

And the bottom surface of the top plate is fixedly provided with an anti-overflow part which is used for covering the L-shaped clamping hole.

The bottom end of the circumferential shell is fixedly connected with the circumferential side plate through a fastener in a direction parallel to the radial direction of the top plate.

And a water retaining part is also formed on the top plate and used for blocking water on the top plate from entering the L-shaped clamping hole.

The water retaining part is a protruding rib protruding upwards out of the surface of the top plate and is in a U shape with an outward opening, and the L-shaped clamping hole is located in a U-shaped area defined by the water retaining part.

And a plurality of sections of flow guide ribs for guiding water on the top plate to the edge of the top plate are also formed on the top plate.

The top of the shell is provided with a closing part which is narrow at the top and wide at the bottom, and an inward-concave U-shaped concave part is formed at the bottom end of the closing part and surrounds the shell for a circle; the bottom end of the circumferential side plate is provided with an annular positioning part which is positioned on the inner side of the circumferential side plate and inclines upwards, the annular positioning part is clamped in the U-shaped depressed part, the bottom end of the annular positioning part is abutted against the bottom surface of the U-shaped depressed part, and the top end of the annular positioning part is abutted against the top surface of the U-shaped depressed part and the included angle between the circumferential side surface and the U-shaped depressed part.

The width of the bottom surface of the U-shaped concave part is larger than that of the top surface of the U-shaped concave part, and the circumferential side surface of the U-shaped concave part inclines upwards.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

1. the circumferential shell of the middle host machine housing is an integrated injection molding part, namely, a complete cylindrical structure with an upper opening and a lower opening, so that the problems that at least two vertical flash seams exist on the circumferential side surface of the existing split housing and the waterproof function is poor are avoided, and the problems that assembling and disassembling are time-consuming and labor-consuming due to the fact that a plurality of screws are needed to fasten the butt joint part of the flash seams in the housing assembling process are avoided;

2. the upper cover is detachably and fixedly connected to the top end of the circumferential shell, so that maintenance of all parts in the housing is facilitated by detaching the upper cover;

3. the end cover is a sheet metal part, the convex supporting part is formed on the circumferential side plate of the end cover, when the housing is installed, the circumferential housing is sleeved on the circumferential side plate of the end cover, the bottom end of the circumferential housing is supported on the supporting part and is attached to the top surface of the supporting part, circumferential flash seams between the housing and the end cover can be effectively reduced, and meanwhile, the installation difficulty of the housing is reduced.

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 the integrated heat pump water heater of the present invention;

FIG. 2 is a schematic sectional view of the top of the water tank housing and the host housing in the embodiment of the integrated heat pump water heater of the present invention;

FIG. 3 is an enlarged view of the structure of the portion I of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the main housing of the embodiment of the integrated heat pump water heater of the present invention;

fig. 5 is a schematic view of an end cover structure in an embodiment of the integrated heat pump water heater of the present invention.

Reference numerals: 1. an integrated heat pump water heater; 100. a water tank; 110. a housing; 111. a closing-in part; 112. a U-shaped recess; 112A, a top surface; 112B, a water outlet end; 120. an end cap; 121. a top plate; 122. a circumferential side plate; 123. a support portion; 124. an L-shaped clamping hole; 125. an anti-flash portion; 126. a water retaining part; 127. a flow guiding rib; 128. an annular positioning portion; 128A, bottom end; 128B, top end; 200. a host; 210. a housing; 211. a circumferential housing; 212. an upper cover; 213. a Z-shaped buckle; 214. a guide slope; 300. a fastener.

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", "top", "bottom", 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.

Referring to fig. 1 to 5, the integral heat pump water heater 1 of the present embodiment includes a water tank 100 and a main unit 200, a shell portion of the water tank 100 includes an outer shell 110 and an end cover 120, and as in the prior art, the outer shell 110 is a sheet metal part and has a top end opening, and the end cover 120 is installed at the top end of the outer shell 110 and seals the top end opening of the outer shell 110; the host 200 is mounted on the end cap 120, which includes a housing 210 as a housing portion of the host 200; different from the prior art, in the embodiment, the casing 210 includes a circumferential casing 211 forming a circumferential side wall thereof and an upper cover 212 forming a top wall thereof, the circumferential casing 211 is an integral injection molding piece, the upper cover 212 is detachably connected to the top end of the circumferential casing 211, and the circumferential casing 211 is connected with the end cover 120; the end cover 120 is a sheet metal part and comprises a top plate 121 and a circumferential side plate 122 bent downwards relative to the top plate 121, an outward protruding supporting portion 123 is formed on the circumferential side plate 122, the supporting portion 123 surrounds the circumferential side plate 122 for a circle along the circumferential direction, the circumferential shell 211 is sleeved on the circumferential side plate 122 of the end cover 120, the bottom end of the circumferential shell 211 is supported on the supporting portion 123 and attached to the top surface of the supporting portion 123, and the bottom end of the circumferential shell 211 is supported on the supporting portion 123 and attached to the top surface of the supporting portion 123.

In this embodiment, the circumferential housing 211 of the main housing 210 is an integral injection molded part, i.e., a complete cylindrical structure with an upper opening and a lower opening, so that the problems of at least two vertical flash seams and poor waterproof function existing on the circumferential side surface of the existing split housing are avoided, and the problems of time and labor waste in assembly and disassembly caused by the fact that the butt joint of the flash seams needs to be fastened by a plurality of screws in the assembly process of the housing 210 are also avoided; the upper cover 212 is detachably and fixedly connected to the top end of the circumferential shell 211, so that maintenance of all parts in the housing can be conveniently carried out by detaching the upper cover 212; the end cover 120 is a sheet metal part, and when the circumferential shell 211 of the cover shell 210 is connected with the end cover 120, the circumferential shell is supported on the convex supporting part 123 on the circumferential side plate 122 and is attached to the top surface of the supporting part 123, so that the flash seam between the cover shell 210 and the end cover 120 can be effectively reduced; meanwhile, the circumferential shell 211 of the housing 210 is in an integral annular shape, the housing 210 needs to be placed in the vertical direction when the end cover 120 is installed and connected, the circumferential side plate 122 of the end cover 120 has a certain radial limiting effect on the housing 210, so that the housing 210 and the end cover 120 are aligned conveniently, meanwhile, the supporting part 123 has an axially upward supporting and limiting effect on the housing 210, an installer does not need to lift the housing 210 all the time, and the installation difficulty of the housing 210 is reduced.

In order to facilitate the sheathing of the circumferential shell 211 of the cover 210, a portion of the circumferential side plate 122 of the end cap 120 above the supporting portion 123 is tapered with a narrow top and a wide bottom, and as shown in fig. 3, a guide slope 214 is correspondingly formed at the bottom end of the inner wall of the circumferential shell 211. The tapered portion of the upper portion of the circumferential side plate 122 and the guiding inclined surface 214 of the circumferential housing 211 can guide the sleeve of the circumferential housing 211 of the housing 210 on the circumferential side plate 122, thereby further facilitating the installation of the circumferential housing 211.

Further, as shown in fig. 3, a plurality of L-shaped fastening holes 124 are formed on the top plate 121 of the end cap 120 and arranged along the circumference, Z-shaped fasteners 213 are formed on the inner wall of the circumferential housing 211 and correspond to the L-shaped fastening holes 124 one by one, and the Z-shaped fasteners 213 are fastened to one ends of the L-shaped fastening holes 124. Specifically, when the housing 210 is installed, the circumferential housing 211 is firstly placed downwards along the axial direction and sleeved on the circumferential side plate 122 of the end cover 120 and supported on the supporting portion 123, when the housing is installed, the Z-shaped buckle 213 on the circumferential housing 211 is aligned with the end with the larger area of the L-shaped buckle hole 124 as much as possible, so that the Z-shaped buckle 213 extends into the L-shaped buckle hole 124, then the circumferential housing 211 is rotated to be clamped on the end with the smaller area of the L-shaped buckle hole 124, the circumferential housing 211 is circumferentially limited to be installed in place, and then the upper cover 212 is installed at the top end of the circumferential housing 211, so that the installation is convenient; the detachable connection mode of the circumferential shell 211 of the upper cover 212 can be selected by a buckle connection mode, the disassembly and the assembly are convenient, the upper cover 212 is positioned above the circumferential shell 211 and can also be connected by a screw, and the screw is positioned on the top wall of the upper cover 212, so that the appearance of the whole product can not be influenced.

In order to prevent the foaming material in the casing 210 from overflowing into the water tank 100 through the L-shaped fastening hole 124 during foaming, an anti-overflow portion 125 covering the L-shaped fastening hole 124 is fixedly disposed on the bottom surface of the top plate 121, as shown in fig. 3. Because the Z-shaped buckle 213 is to extend into the L-shaped buckle hole 124, the overflow preventing portion 125 needs to be free from the Z-shaped buckle 213, and therefore the overflow preventing portion 125 is preferably a cover-shaped member, which completely covers the L-shaped buckle hole 124, each Z-shaped buckle 213 is correspondingly provided with one overflow preventing portion 125, and the overflow preventing portion 125 can be specifically adhered to the bottom surface of the top plate 121 by 3M glue.

To further enhance the mounting stability of the casing 210, the bottom end of the circumferential housing 211 and the circumferential side plate 122 of the end cap 120 are also fastened by a fastener 300 (such as a screw) in a direction parallel to the radial direction of the top plate 121, so as to completely limit the circumferential rotation possibility of the circumferential housing 211, and thus, the circumferential housing 211 is firmly connected to the end cap 120.

In order to prevent water (mainly condensed water) received on the end cap 120 from entering the water tank 100 side through the L-shaped locking hole 124, as shown in fig. 5, a water blocking portion 126 is further formed on the top plate 121 for blocking water on the top plate 121 from entering the L-shaped locking hole 124.

Further, the water blocking portion 126 is a protruding rib protruding upward from the surface of the top plate 121, and has a U-shape with an outward opening, and the L-shaped clamping hole 124 is located in the U-shaped area surrounded by the water blocking portion 126. Each L-shaped clamping hole 124 is correspondingly provided with a water blocking portion 126, and the blocked condensate water flows to the edge of the end cover 120 from the gap 129 between the adjacent water blocking portions 126 and then flows out of the end cover 120.

Meanwhile, in order to improve the flow guiding effect, as also shown in fig. 5, a plurality of sections of flow guiding ribs 127 for guiding water on the top plate 121 to the edge of the top plate 121 are also formed on the top plate 121. The multi-end guide ribs 127 may be formed in a specific shape and extending direction so as to guide water to the gaps 129 between the adjacent water blocking portions 126 at the edge of the top plate 121.

For the connection between the end cap 120 and the shell 110, specifically, the top of the shell 110 has a closing-in portion 111 with a narrow top and a wide bottom, a U-shaped recess portion 112 recessed inwards is formed at the bottom end of the closing-in portion 111, the U-shaped recess portion 112 surrounds the shell 110 for a circle, and it can be formed by sheet metal stamping or bending; the bottom end of the circumferential side plate 122 forms an annular positioning portion 128 which is located inside the circumferential side plate 122 and inclines upwards, the annular positioning portion 128 is clamped in the U-shaped recess 112, the bottom end 128A of the annular positioning portion 128 abuts against the bottom surface 112A of the U-shaped recess 112, and the top end 128B of the annular positioning portion abuts against the included angle between the top surface 112B of the U-shaped recess 112 and the circumferential side surface 112C. When the end cover 120 is mounted on the top end of the housing 110, only the circumferential side plate 122 is sleeved on the closing-in portion 111 at the top of the housing 110, the closing-in portion 111 plays a role in guiding and avoiding the circumferential side plate 122 of the end cover 120, and then the end cover 120 is continuously pressed down to enable the annular positioning portion 128 to be clamped in the U-shaped concave portion 112 on the housing 110.

Further, as shown in fig. 3, the width of the bottom surface 112A of the U-shaped recess 112 is larger than the width of the top surface 112B thereof, and the circumferential side surface 112C of the U-shaped recess 112 is inclined upward. Therefore, the U-shaped recess 112 is inclined upward as a whole, and the clamping action of the annular positioning portion 128 is further guided by the inclination of the mouth portion 111, which further facilitates the installation of the end cap 120.

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 (10)

1. An integrated heat pump water heater comprising:

the water tank comprises a shell and an end cover which is arranged at the top end of the shell and used for plugging the top end opening of the shell;

the main machine is arranged on an end cover of the water tank and comprises a housing;

it is characterized in that the preparation method is characterized in that,

the housing comprises a circumferential shell forming a circumferential side wall of the housing and an upper cover forming a top wall of the housing, the circumferential shell is an integral injection molding piece, the upper cover is detachably and fixedly connected to the top end of the circumferential shell, and the circumferential shell is connected with the end cover;

the end cover is a sheet metal part and comprises a top plate and a relative circumferential side plate bent downwards from the top plate, a convex supporting part is formed on the circumferential side plate, the supporting part surrounds the circumferential side plate for a circle along the circumferential direction, the circumferential shell is sleeved on the circumferential side plate, and the bottom end of the circumferential shell is supported on the supporting part and is attached to the top surface of the supporting part.

2. The integrated heat pump water heater according to claim 1,

the part of the circumferential side plate above the supporting part is in a conical shape with a narrow top and a wide bottom, and a guide inclined plane is correspondingly formed at the bottom end of the inner wall of the circumferential shell.

3. The integrated heat pump water heater according to claim 1,

the top plate is provided with a plurality of L-shaped clamping holes distributed along the circumference, the inner wall of the circumferential shell is provided with Z-shaped buckles in one-to-one correspondence with the L-shaped clamping holes, and the Z-shaped buckles are clamped at one ends of the L-shaped clamping holes.

4. The integrated heat pump water heater according to claim 3,

and the bottom surface of the top plate is fixedly provided with an anti-overflow part which is used for covering the L-shaped clamping hole.

5. The integrated heat pump water heater according to claim 3,

the bottom end of the circumferential shell is fixedly connected with the circumferential side plate through a fastener in a direction parallel to the radial direction of the top plate.

6. The integrated heat pump water heater according to claim 3,

and a water retaining part is also formed on the top plate and used for blocking water on the top plate from entering the L-shaped clamping hole.

7. The integrated heat pump water heater according to claim 6,

the water retaining part is a protruding rib protruding upwards out of the surface of the top plate and is in a U shape with an outward opening, and the L-shaped clamping hole is located in a U-shaped area defined by the water retaining part.

8. The integrated heat pump water heater according to claim 7,

and a plurality of sections of flow guide ribs for guiding water on the top plate to the edge of the top plate are also formed on the top plate.

9. The integrated heat pump water heater according to claim 1,

the top of the shell is provided with a closing part which is narrow at the top and wide at the bottom, and an inward-concave U-shaped concave part is formed at the bottom end of the closing part and surrounds the shell for a circle; the bottom end of the circumferential side plate is provided with an annular positioning part which is positioned on the inner side of the circumferential side plate and inclines upwards, the annular positioning part is clamped in the U-shaped depressed part, the bottom end of the annular positioning part is abutted against the bottom surface of the U-shaped depressed part, and the top end of the annular positioning part is abutted against the top surface of the U-shaped depressed part and the included angle between the circumferential side surface and the U-shaped depressed part.

10. The integrated heat pump water heater according to claim 9,

the width of the bottom surface of the U-shaped concave part is larger than that of the top surface of the U-shaped concave part, and the circumferential side surface of the U-shaped concave part inclines upwards.

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