CN217999967U - Heating pump and contain its domestic appliance - Google Patents

Abstract

The utility model discloses a heating pump and contain its domestic appliance, including motor, heating pipe, water pump case, the water pump case includes heating chamber water pump case and drainage chamber water pump case, and heating chamber water pump case has the heating space that holds the heating pipe, and heating chamber water pump case is equipped with first water inlet and first water outlet, and drainage chamber water pump case has the drainage space that holds the impeller, and drainage chamber water pump case is equipped with second water outlet and the second water inlet of being connected with first water outlet; an output shaft of the motor is connected with the impeller; the joint of the heating cavity water pump shell and the drainage cavity water pump shell is respectively provided with a V-shaped buckle and a buckle buckled with the outer surface of the V-shaped buckle, and when the outer surface of the V-shaped buckle is pressed, the V-shaped buckle can be tightened inwards; when the outer surface of the V-shaped buckle is released, the V-shaped buckle can be reset. The utility model discloses lead to the installation with dismantle conveniently, also need not rotatory pump case, and the phenomenon that sealing washer became invalid or the V type is detained and is difficult for recovering the former state can not appear.

Description

Heating pump and contain its domestic appliance

Technical Field

The utility model relates to a domestic appliance designs technical field, especially relates to a heat pump and contains its domestic appliance.

Background

The heating pump used on the washing machine or the dish washer on the market at present generally heats in the form of a heating pipe or a heating plate integrated on a pump body.

Add the heat pump of heat pipe, the heating pipe is fixed earlier in the pump chamber then the water pump case is fixed with the motor casing, fixed mode has traditional bolt fastening fixed with the rotation type buckle, traditional bolt fastening mode can increase extra straight material cost and cost of labor, rotation type buckle fixed mode, because sealed leaning on compression O type rubber seal to seal between motor casing and the water pump case, after motor casing and the water pump case installation target in place, 0 type sealing washer just is compressed, the compression volume of design plays sealed effect. In order to enable the water pump shell and the motor shell buckle to be matched with each other, the water pump shell can be rotated by a certain angle. But when the water pump shell rotates again, the 0-shaped sealing ring brings distortion risk, so that the sealing effect is poor, and finally, the sealing failure can be caused.

The heating pump is characterized in that the heating plate integrated heating pump is also provided with a heating plate integrated assembly, the heating plate integrated assembly and the water pump shell are split, the heating plate integrated assembly and the water pump shell are fixed in a plurality of buckle modes, the heating plate integrated assembly is a metal piece, the buckle is also a metal piece, the buckle on the water pump shell matched with the heating plate integrated assembly is matched with the buckle of the metal piece, the heating plate integrated assembly is of a traditional hook groove buckling structure, the buckle of the heating plate integrated assembly is clamped in a matched clamping groove of the heating plate integrated assembly by using a special tool after installation, the heating plate integrated assembly is installed by using the special tool and is not easy to detach after installation, and the original shape is not easy to recover after detachment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the heating pump assembly cost is high or the assembly process easily leads to the sealing washer to warp, sealed inefficacy among the prior art, the utility model provides a heating pump and contain its domestic appliance solve above-mentioned problem.

The utility model provides a heating pump, which comprises a motor, a heating pipe and a water pump shell, wherein the water pump shell comprises a heating cavity water pump shell and a drainage cavity water pump shell, the heating cavity water pump shell is provided with a heating space for accommodating the heating pipe, the heating cavity water pump shell is provided with a first water inlet and a first water outlet, the drainage cavity water pump shell is provided with a drainage space for accommodating an impeller, and the drainage cavity water pump shell is provided with a second water outlet and a second water inlet connected with the first water outlet; an output shaft of the motor is connected with the impeller; the joint of the heating cavity water pump shell and the drainage cavity water pump shell is respectively provided with a V-shaped buckle and a buckle buckled with the outer surface of the V-shaped buckle, and when the outer surface of the V-shaped buckle is pressed, the V-shaped buckle can be tightened inwards; when the outer surface of the V-shaped buckle is released, the V-shaped buckle can be reset.

Furthermore, the heating cavity water pump shell, the drainage cavity water pump shell and the motor are sequentially connected from top to bottom, the first water inlet is positioned on the upper surface of the heating cavity water pump shell, and the first water outlet is positioned on the lower surface of the heating cavity water pump shell; the second water inlet is located the upper surface of drainage chamber pump case, and the second delivery port is located the periphery of drainage chamber pump case.

Furthermore, the V-shaped buckle is positioned on the outer surface of the heating cavity water pump shell, an outer boss is arranged on the outer surface of the V-shaped buckle, an inner boss matched with the outer boss is arranged on the inner surface of the drainage cavity water pump shell, and the outer diameter of the outer boss is larger than the inner diameter of the inner boss.

Furthermore, the periphery of heating chamber water pump case is equipped with the connecting hole that supplies heating pipe connector to stretch out, the surface of connecting hole is equipped with waterproof platform, waterproof platform has the last mesa that is located the connecting hole upside and connects the side mesa of connecting mesa one side or both sides, it is equipped with the turn-ups to go up one side that heating chamber water pump case was kept away from to mesa and side mesa

Furthermore, the height of the lower end face of the side table top is lower than that of the lower end face of the connecting hole.

Further, the side table surface is gradually inclined outwards from top to bottom.

Further, the heating pipe is thick film heating pipe and arranges in the inner periphery of heating chamber water pump case along circumference.

Furthermore, the upper end inner wall of heating chamber water pump case and the upper end inner wall of drainage chamber water pump case all are equipped with the seal groove that holds U type sealing washer, and two the seal groove is just to arranging, and the axial both ends butt of heating pipe is between two U type sealing washers.

Furthermore, the lateral surface of U type sealing washer is equipped with the first protruding muscle with seal groove medial surface butt.

Furthermore, the inner bottom surface of the U-shaped sealing ring is provided with a second convex rib which is abutted against the surface of the heating pipe.

The utility model discloses still provide a domestic appliance, including above the heat pump.

The utility model has the advantages that:

(1) Heating pump and contain its domestic appliance, the junction of heating chamber water pump case and drainage chamber water pump case is equipped with the buckle that the V type was buckled respectively and was buckled the surface lock joint with the V type, surface through pressing down or loosening the V type and detain can make the V type detain to tighten up or relax, when the V type is detained and is tightened up, the V type is detained and to be separated with the buckle, the installation is convenient with the dismantlement, also need not rotatory water pump case, and the heating pipe is installed inside heating chamber water pump case, heating chamber water pump case and drainage chamber water pump case all can adopt the plastics material to make, consequently, the phenomenon that sealing washer became invalid or the V type is detained and is difficult to resume the former state can not appear.

(2) The heat pump and contain its domestic appliance, the whole internal surface of heating pipe is the hot side, has increased heating surface, impeller and second delivery port are at same horizontal plane, the impeller produces centrifugal force after high-speed rotatory and makes the liquid drainage space that discharges fast after the heating, has not only improved the efficiency of heating, can also reduce the loss of liquid in the pump chamber, has improved the ability of flowing back, has increased flow and lift.

(3) Heating pump and contain its domestic appliance, be provided with protruding muscle on the surface of U type sealing washer, improve sealed effect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of an embodiment of a heat pump according to the present invention;

FIG. 2 is an exploded view of an embodiment of the heat pump of the present invention;

fig. 3 is a partial sectional view of the heat pump according to the present invention;

FIG. 4 is an enlarged view taken at a point a in FIG. 3;

fig. 5 is an axial sectional view of the water pump case of the middle drainage cavity of the present invention;

fig. 6 is a top view of the heat pump of the present invention;

fig. 7 is an axial sectional view of a middle heating chamber water pump housing of the present invention;

fig. 8 is a schematic view of the cooperation between the pump housing and the heating pipe of the heating chamber of the present invention.

In the figure, 1, a motor, 2, a heating pipe, 3, a heating cavity water pump shell, 301, a heating space, 302, a first water inlet, 303, a first water outlet, 304, a connecting hole, 4, a drainage cavity water pump shell, 401, a drainage space, 402, a second water inlet, 403, a second water outlet, 5, an impeller, 6, a V-shaped buckle, 601, an outer boss, 602, an inclined plate, 7, a buckle, 701, an inner boss, 8, a U-shaped sealing ring, 801, a first convex rib, 802, a second convex rib, 9, a sealing groove, 10, a heating pipe connector, 11, a waterproof platform, 1101, an upper platform surface, 1102, a side platform surface, 1103, a flanging, 12 and an expansion space.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1 to 7, a heating pump includes a motor 1, a heating pipe 2, and a water pump case, the water pump case includes a heating chamber water pump case 3 and a drainage chamber water pump case 4, the heating chamber water pump case 3 has a heating space 301 for accommodating the heating pipe 2, the heating chamber water pump case 3 is provided with a first water inlet 302 and a first water outlet 303, the drainage chamber water pump case 4 has a drainage space 401 for accommodating an impeller 5, the drainage chamber water pump case 4 is provided with a second water outlet 403 and a second water inlet 402 connected to the first water outlet 303; the output shaft of the motor 1 is connected to the impeller 5.

The motor 1 is used for providing circulating water driving force, and the motor 1 generally comprises a rotor assembly, a stator assembly and a motor shell, wherein the rotor assembly rotates to drive the impeller 5 integrally assembled with the rotating shaft to rotate. The heating pipe 2 is used to heat the liquid to be heated flowing in from the first water inlet 302. The water flow enters the heating space 301 from the first water inlet 302, is heated by the heating pipe 2, then enters the drainage space 401 through the first water outlet 303 and the second water inlet 402 in sequence, and is driven by the impeller 5 to discharge the heated liquid from the second water outlet 403.

The V-shaped buckle 6 and the buckle 7 buckled with the outer surface of the V-shaped buckle 6 are respectively arranged at the joint of the heating cavity water pump shell 3 and the drainage cavity water pump shell 4, and when the outer surface of the V-shaped buckle 6 is pressed, the V-shaped buckle 6 can be tightened inwards; the V-shaped clasp 6 is able to reset when the outer surface of the V-shaped clasp 6 is released. When the installation, tighten up V type and detain 6 and make buckle 7 reach the lock joint position with V type and detain 6, loosen V type and detain 6 back both lock joints, like the same, as long as tighten up V type and detain 6 and can take out buckle 7 during the dismantlement.

Compared with the prior art, the utility model discloses do not need rotatory water pump case to accomplish the assembly, can not cause the damage to the sealed pad of water pump case inside, in addition, the utility model discloses install heating pipe 2 in heating chamber water pump case 3, heating chamber water pump case 3 and drainage chamber water pump case 4 can adopt the plastics material to make, detain 6 with the V type that an organic whole set up and also be the plastics material with buckle 7, the plastics material is better with metal material compare toughness, easily warp and can reset after warping, consequently the problem that exists in the heating plate integrated form heating pump can not appear.

In the embodiment, the heating cavity water pump shell 3, the drainage cavity water pump shell 4 and the motor 1 are sequentially connected from top to bottom, the first water inlet 302 is positioned on the upper surface of the heating cavity water pump shell 3, and the first water outlet 303 is positioned on the lower surface of the heating cavity water pump shell 3; the second water inlet 402 is located on the upper surface of the drain chamber pump case 4, and the second water outlet 403 is located on the outer periphery of the drain chamber pump case 4. The impeller 5 and the second water outlet 403 are on the same horizontal plane, and centrifugal force is generated after the impeller 5 rotates at high speed to enable the heated liquid to be rapidly discharged out of the drainage space 401, so that the heating efficiency is improved, the loss of the liquid in the pump cavity can be reduced, the liquid discharge capacity is improved, and the flow and the lift are increased.

The specific buckling structure of the V-shaped buckle 6 and the buckle 7 is as follows: the V-shaped buckle 6 is positioned on the outer surface of the heating cavity water pump shell 3, the outer surface of the V-shaped buckle 6 is provided with an outer boss 601, the inner surface of the drainage cavity water pump shell 4 is provided with an inner boss 701 matched with the outer boss 601, the outer diameter of the outer boss 601 is larger than the inner diameter of the inner boss 701, as shown in fig. 4, 5 and 7, the V-shaped buckle 6 is of a V-shaped structure consisting of the periphery of the heating cavity water pump shell 3 and an inclined plate 602 which is obliquely arranged, the upper end of the V-shaped structure is opened, the outer boss 601 is positioned on the outer surface of the inclined plate 602, a rectangular convex block is manufactured on the periphery of the drainage cavity water pump shell 4, the inside of the rectangular convex block is hollowed out, the inner boss 701 is arranged on the inner surface of the rectangular convex block, and the rectangular convex block is matched with the outer boss 601. When the water pump is installed, the inclined plate 602 is pressed down to tighten the V-shaped buckle 6, when the inner boss 701 is overlapped with the outer boss 601, the V-shaped buckle 6 is compressed to the minimum and cannot interfere with the heating cavity water pump shell 3, then the heating cavity water pump shell 3 continues to move downwards, the V-shaped buckle 6 is opened to clamp the outer boss 601 and the inner boss 701, a fixed surface is formed, the installation is tight, the fixed installation effect is achieved, when the heating cavity water pump shell 3 needs to be separated, the V-shaped buckle 6 is pressed, the outer boss 601 is staggered with the inner boss 701, and the heating cavity water pump shell 3 is taken out. The installation and the dismantlement are comparatively convenient.

As shown in fig. 5-7, the V-shaped buckles 6 and the buckles 7 are distributed around the heating cavity water pump housing 3 and the drainage cavity water pump housing 4, and in order to avoid interference with the second water outlet 403, the buckles 7 are eliminated at the second water outlet 403, so that the present embodiment is provided with three V- shaped buckles 6 and 7 along the circumferential direction.

The heating pipe 2 is preferably a thick film heating pipe 2 and is circumferentially arranged on the inner periphery of the heating chamber water pump housing 3 (as shown in fig. 2), so that the whole inner surface of the heating pipe 2 is a heating surface, and the heating area is increased. The sealing mode is respectively sealed with a U type sealing washer 8 from top to bottom, and is concrete, and the upper end inner wall of heating chamber water pump case 3 and the upper end inner wall of drainage chamber water pump case 4 all are equipped with the seal groove 9 that holds U type sealing washer 8, and just to arranging two seal grooves 9, and the axial both ends butt of heating pipe 2 is between two U type sealing washers 8. As shown in fig. 3 to 5 and 7, the water pump case 4 with a drainage cavity has a cylindrical structure with two open ends, and the upper end surface has a second water inlet 402, and a sealing groove 9 is formed along the inner wall, the first water inlet 302 extends into the water pump case 3 with a heating cavity, and the inner wall of the water pump case 3 with a heating cavity also forms the sealing groove 9.

Example two

In the first embodiment, after the heating chamber water pump housing 3 and the drainage chamber water pump housing 4 are installed, since the sealing of the heating space 301 and the drainage space 401 is sealed by compressing the U-shaped sealing ring 8, if the U-shaped sealing ring 8, the sealing groove 9 and the heating pipe 2 are in interference fit over the whole surface, the installation is difficult or the U-shaped sealing ring 8 is squeezed and deformed to cause sealing failure, therefore, the first embodiment is improved as follows: as shown in fig. 8, in the first embodiment, the outer side surface of the U-shaped seal ring 8 is provided with the first protruding rib 801 abutted against the inner side surface of the seal groove 9, at this time, the U-shaped seal ring 8 is substantially in interference fit with the seal groove 9 through the first protruding rib 801, most regions of the U-shaped seal ring 8 are not excessively extruded and deformed, and even an expansion space 12 can be left between the U-shaped seal ring 8 and the inner bottom surface of the seal groove 9, so that the sealing requirement is met, the installation is facilitated, and the U-shaped seal ring 8 is prevented from being extruded and deformed to cause sealing failure.

Similarly, the inner bottom surface of the U-shaped sealing ring 8 is provided with a second rib 802 abutting against the surface of the heating pipe 2.

EXAMPLE III

The heating pipe 2 is electrically connected with an external power supply through a heating pipe connector 10, the heating pipe connector 10 is installed in the heating cavity water pump housing 3, on the basis of the above embodiment, as shown in fig. 1, fig. 2 and fig. 6, a connection hole 304 for extending the heating pipe connector 10 is arranged on the periphery of the heating cavity water pump housing 3, a waterproof platform 11 is arranged on the outer surface of the connection hole 304, the water at the first water inlet 302 is prevented from splashing into the connection hole 304, and the normal operation of the heating pipe connector 10 is prevented from being affected, the waterproof platform 11 is provided with an upper platform 1101 positioned on the upper side of the connection hole 304 and a side platform 1102 connected with one side or two sides of the upper platform 1101, and a flange 1103 is arranged on one side of the upper platform 1101 and the side platform 1102 far away from the heating cavity water pump housing 3. The upper table top 1101 is used for blocking water flow above, the side table top 1102 is used for guiding the water flow above downwards, the flange 1103 is used for preventing the water flow outside the upper table top 1101 and the side table top 1102 from overflowing to the connecting hole 304, and the water flow above reaches the upper table top 1101 and is discharged along the side table top 1102. Preferably, the height of the lower end surface of the side table 1102 is lower than that of the lower end surface of the connection hole 304, the upper end of the side table 1102 is connected to the upper table 1101 and is higher than that of the connection hole 304, the height of the lower end of the side table 1102 is limited, so that the side table 1102 can completely shield the connection hole 304, the lower end of the connection hole 304 in the embodiment extends to the edge of the heating chamber water pump housing 3, and the height of the lower end of the side table 1102 is equal to that of the lower end of the connection hole 304. In a further design, the side mesas 1102 are gradually inclined outward from top to bottom, that is, the side mesas 1102 are not perpendicular to the upper mesa 1101, and the side mesas 1102 are expanded from top to bottom to the outside of the connecting hole 304, so that the side mesas 1102 can function as a drainage function, and the water tends to flow out obliquely outward.

Example four

A household appliance comprising a heat pump as described above. The household appliance may be, but is not limited to, a dishwasher, a washing machine, etc.

Taking the dish washer as an example, the heat pump is installed inside the dish washer, and first water inlet 302 is connected the drainage chamber of dish washer, and on the spray arm of dish washer was finally connected to second delivery port 403, heating chamber water pump case 3, drainage chamber water pump case 4 and the motor casing in the heat pump were fixed to be integrative, and impeller 5 high-speed rotation made liquid produce the centrifugal discharge pump chamber, finally discharged on the spray arm.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "inner", "outer", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description, schematic representations of the terms do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (11)

1. A heat pump, characterized by: the water pump comprises a motor (1), a heating pipe (2) and a water pump shell, wherein the water pump shell comprises a heating cavity water pump shell (3) and a drainage cavity water pump shell (4), the heating cavity water pump shell (3) is provided with a heating space (301) for accommodating the heating pipe (2), the heating cavity water pump shell (3) is provided with a first water inlet (302) and a first water outlet (303), the drainage cavity water pump shell (4) is provided with a drainage space (401) for accommodating an impeller (5), and the drainage cavity water pump shell (4) is provided with a second water outlet (403) and a second water inlet (402) connected with the first water outlet (303); the output shaft of the motor (1) is connected with the impeller (5);

a V-shaped buckle (6) and a buckle (7) buckled with the outer surface of the V-shaped buckle (6) are respectively arranged at the joint of the heating cavity water pump shell (3) and the drainage cavity water pump shell (4), and when the outer surface of the V-shaped buckle (6) is pressed, the V-shaped buckle (6) can be tightened inwards; when the outer surface of the V-shaped buckle (6) is released, the V-shaped buckle (6) can be reset.

2. A heat pump according to claim 1, wherein: the heating cavity water pump shell (3), the drainage cavity water pump shell (4) and the motor (1) are sequentially connected from top to bottom, the first water inlet (302) is located on the upper surface of the heating cavity water pump shell (3), and the first water outlet (303) is located on the lower surface of the heating cavity water pump shell (3); the second water inlet (402) is positioned on the upper surface of the water pump shell (4) of the drainage cavity, and the second water outlet (403) is positioned on the periphery of the water pump shell (4) of the drainage cavity.

3. A heat pump according to claim 1, wherein: the V-shaped buckle (6) is located on the outer surface of the heating cavity water pump shell (3), an outer boss (601) is arranged on the outer surface of the V-shaped buckle (6), an inner boss (701) matched with the outer boss (601) is arranged on the inner surface of the drainage cavity water pump shell (4), and the outer diameter of the outer boss (601) is larger than the inner diameter of the inner boss (701).

4. A heat pump according to claim 2, wherein: the periphery of heating chamber water pump case (3) is equipped with connecting hole (304) that supply heating pipe connector (10) to stretch out, the surface of connecting hole (304) is equipped with waterproof platform (11), waterproof platform (11) have last mesa (1101) that are located connecting hole (304) upside and connect side mesa (1102) of connecting mesa (1101) one side or both sides, it is equipped with turn-ups (1103) to go up mesa (1101) and side mesa (1102) one side of keeping away from heating chamber water pump case (3).

5. A heat pump according to claim 4, wherein: the height of the lower end face of the side table-board (1102) is equal to or lower than that of the lower end face of the connecting hole (304).

6. A heat pump according to claim 5, wherein: the side table-board (1102) is gradually inclined outwards from top to bottom.

7. A heat pump according to claim 2, wherein: heating pipe (2) are thick film heating pipe (2) and arrange in the inner periphery of heating chamber water pump case (3) along circumference.

8. A heat pump according to claim 7, wherein: the upper end inner wall of heating chamber water pump case (3) and the upper end inner wall of drainage chamber water pump case (4) all are equipped with seal groove (9) that hold U type sealing washer (8), and two seal groove (9) are just to arranging, the axial both ends butt of heating pipe (2) between two U type sealing washers (8).

9. A heat pump according to claim 8, wherein: the outer side surface of the U-shaped sealing ring (8) is provided with a first convex rib (801) which is abutted against the inner side surface of the sealing groove (9).

10. A heat pump according to claim 8, wherein: and a second convex rib (802) which is abutted against the surface of the heating pipe (2) is arranged on the inner bottom surface of the U-shaped sealing ring (8).

11. A household appliance, characterized by: comprising a heat pump according to any of claims 1-10.

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