CN108567390B

CN108567390B - Water pump of dish washing machine and dish washing machine with water pump

Info

Publication number: CN108567390B
Application number: CN201710132535.8A
Authority: CN
Inventors: 王金水; 尹斌; 黄宁杰; 其他发明人请求不公开姓名
Original assignee: Sanhua Aweco Appliance Systems Wuhu Co Ltd
Current assignee: Sanhua Aweco Appliance Systems Wuhu Co Ltd
Priority date: 2017-03-07
Filing date: 2017-03-07
Publication date: 2021-07-06
Anticipated expiration: 2037-03-07
Also published as: CN108567390A

Abstract

The invention discloses a water pump of a dishwasher and the dishwasher with the same, the water pump of the dishwasher comprises: the water-guiding device comprises a shell, at least one part of the shell is a metal piece, a water guiding cavity is arranged in the shell, and a water inlet and a water outlet which are communicated with the water guiding cavity are formed in the shell; the impeller is rotatably matched in the water guide cavity; the motor is arranged on the shell and is in transmission connection with the impeller; and the heating device is used for heating the water in the water guide cavity, and the heating device is arranged on the shell and positioned outside the shell. The water pump of the dishwasher according to the embodiment of the invention has the advantages of small occupied space, high temperature regulation speed, high washing efficiency and the like.

Description

Water pump of dish washing machine and dish washing machine with water pump

Technical Field

The invention relates to the technical field of appliance manufacturing, in particular to a water pump of a dish washing machine and the dish washing machine with the water pump of the dish washing machine.

Background

In the dishwasher in the related art, the arrangement mode of the heating device is divided into three modes, the first mode is that the heating device is arranged in the water tank of the dishwasher for heating, the preheating is needed, the washing time is wasted, and the temperature of the washing liquid cannot be conveniently adjusted; secondly, the heating pipe is additionally arranged at the inlet end of the washing pump, so that the instant heating can be realized, but the heating pipe needs a certain length to ensure the heating effect, and the occupied space is large; and the third method is that a heating device is additionally arranged at the inlet of the washing pump, so that the heating area is limited, the heating time is long, and the heating effect is poor.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention provides the water pump of the dish washing machine, which has the advantages of small occupied space, high temperature regulation speed, high washing efficiency and the like.

The invention also provides a dishwasher with the water pump of the dishwasher.

To achieve the above object, an embodiment according to a first aspect of the present invention provides a water pump of a dishwasher, the water pump including: the water-guiding device comprises a shell, at least one part of the shell is a metal piece, a water guiding cavity is arranged in the shell, and a water inlet and a water outlet which are communicated with the water guiding cavity are formed in the shell; the impeller is rotatably matched in the water guide cavity; the motor is arranged on the shell and is in transmission connection with the impeller; and the heating device is used for heating the water in the water guide cavity, and the heating device is arranged on the shell and positioned outside the shell.

The water pump of the dishwasher provided by the embodiment of the invention has the advantages of small occupied space, high temperature regulation speed, high washing efficiency and the like.

In addition, the water pump of the dishwasher according to the above embodiment of the present invention may further have the following additional technical features:

according to one embodiment of the invention, the housing comprises: the cross section of the metal pump shell is annular, and the heating device is arranged on the outer surface of the metal pump shell;

the motor is arranged on the motor gland, and a motor shaft of the motor penetrates through the motor gland and extends into the water guide cavity; the metal pump shell is clamped between the motor gland and the inlet gland, and the inlet gland and the motor gland respectively cover two axial end faces of the metal pump shell so as to jointly limit the water guide cavity together with the metal pump shell.

According to one embodiment of the invention, the motor gland and the inlet gland are connected by threaded fasteners.

According to one embodiment of the invention, the threaded fasteners are plural and are arranged at intervals along the circumference of the housing.

According to one embodiment of the invention, sealing rings are arranged between the inlet gland and the metal pump shell and between the motor gland and the metal pump shell.

According to one embodiment of the invention, the heating means is annular and extends circumferentially over the outer circumferential surface of the metal pump casing.

According to one embodiment of the present invention, the outer circumferential surface of the metal pump case is provided with a groove extending in the circumferential direction, and the heating means is fitted in the groove.

According to one embodiment of the invention, the heating device is welded to the metal pump housing.

According to one embodiment of the present invention, the water inlet is formed on the water inlet gland and the water outlet is formed on a peripheral wall of the metal pump case.

An embodiment according to a second aspect of the invention proposes a dishwasher comprising a water pump of the dishwasher according to an embodiment of the first aspect of the invention.

According to the dishwasher of the embodiment of the invention, by utilizing the water pump of the dishwasher according to the embodiment of the first aspect of the invention, the advantages of small occupied space, fast temperature regulation, high washing efficiency and the like are achieved.

Drawings

Fig. 1 is a sectional view of a water pump of a dishwasher according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a water pump of a dishwasher according to an embodiment of the present invention.

Reference numerals: the water pump comprises a water pump 1, a shell 100, a water inlet 110, a water outlet 120, a metal pump shell 130, a groove 131, a motor gland 140, an inlet gland 150, an impeller 200, a motor 300, a heating device 400, a threaded fastener 500 and a sealing ring 600.

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 or similar 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 drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A water pump 1 of a dishwasher according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 2, a water pump 1 of a dishwasher according to an embodiment of the present invention includes a housing 100, an impeller 200, a motor 300, and a heating device 400.

At least one part of the shell 100 is a metal part, a water guide cavity is arranged in the shell 100, and a water inlet 110 and a water outlet 120 which are communicated with the water guide cavity are arranged on the shell 100. The impeller 200 is rotatably fitted in the water guide chamber. The motor 300 is disposed on the housing 100 and is in transmission connection with the impeller 200. The heating device 400 is used for heating the water in the water guide cavity, and the heating device 400 is arranged on the shell 100 and is positioned outside the shell 100.

According to the water pump 1 of the dishwasher of the embodiment of the present invention, the heating device 400 is disposed on the housing 100, so that the water in the water guide cavity can be heated by the heating device 400, and the water cooperates with the impeller 200, thereby generating a high-temperature and high-pressure water jet to mechanically flush the surface of the tableware, which is convenient for improving the washing efficiency of the dishwasher. Because of the soaking and swelling function of the hot water to the food residues and the saponification and decomposition functions of the detergent to the oil stains and residues on the surface of the tableware, the oil stains, the residues and the food residues on the surface of the tableware can be decomposed and fall off, so that the tableware can be cleaned and brightened. Meanwhile, under the dual functions of scouring of the high-temperature and high-pressure water column and powerful decontamination of the detergent, harmful germs can be effectively eluted, and the dual effects of cleaning and sterilization are achieved.

In addition, since the heating device 400 is disposed on the housing 100 of the water pump 1, the water flowing through the water guide chamber can be directly heated, and compared with the technical scheme of heating by disposing a heating device in the water tank of the dishwasher in the related art, the heating time for the water is short, preheating is not required, and the waiting time for washing can be shortened. Can save washing preheating time like this, accomplish the dish washer is opened promptly and is heated, user's of being convenient for use to improve user's use travelling comfort, can heat the water behind the mixed detergent moreover, avoid directly leading to the unable problem of adjusting of temperature of detergent to the water heating in the water tank, in order to adjust the temperature of detergent, make the detergent reach optimum washing temperature, thereby improve the washing effect of detergent.

In addition, because heating device 400 sets up on water pump 1's casing 100, compare with the technical scheme of relevant art at the washing pump entrance point additional heating pipe, need not reserve sufficient installation space for the heating pipe, the setting of water pump 1 of can being convenient for makes dish washer's structure is reasonable compact more, improves the inside space utilization of dish washer, thereby is convenient for control the volume of dish washer reduces the occupation space of dish washer.

Meanwhile, because the heating device 400 is arranged at the outer side of the shell 100, compared with the technical scheme that the heater is additionally arranged at the inlet of the washing pump in the related art, the heat conduction area between the heating device 400 and the shell 100 can be increased conveniently, heat can be timely transferred to the water in the water guide cavity, the heat transfer rate is high, the heating rate of the heating device 400 is increased conveniently, and the water in the water guide cavity is heated up rapidly.

Further, the heating device 400 is arranged outside the shell 100, so that the influence of the heating device 400 on the water guide cavity can be reduced, the volume of the water guide cavity is increased, the flow of the water pump 1 is increased, the impeller 200 and the motor 300 can be arranged conveniently, the temperature of the heated impeller 200 and the heated motor 300 is prevented from influencing the normal work of the impeller 200 and the heated motor 300, and the operation efficiency and the reliability of the impeller 200 and the heated motor 300 are ensured.

Furthermore, since at least a portion of the housing 100 is made of metal, the housing 100 can be easily manufactured, and the production efficiency of the housing 100 can be improved. The metal material has better high temperature resistance, so that the use temperature of the water pump 1 can be increased, and the requirement of high-temperature washing of a user is met. Moreover, the metal material has better heat conductivity, so that the heat conductivity of the shell 100 can be improved, and the heating performance of the water pump 1 can be improved conveniently. Therefore, the user can wash at a higher temperature, and the use performance of the user is convenient to improve. Meanwhile, compared with a plastic material, the metal material has longer service life and lower temperature sensitivity, and does not have an aging phenomenon.

Like this, heating device 400 sets up on casing 100, and heating device 400's heat conduction area is big and rate of heating is fast, makes water pump 1 can in time produce high temperature high pressure water jet to wash the tableware, thereby can improve the washing performance of dish washer. Meanwhile, the heating device 400 is disposed on the housing 100, the structure of the water pump 1 is more compact, the inner space of the dishwasher is saved, and the inner structure layout of the dishwasher is facilitated.

Therefore, the water pump 1 of the dishwasher according to the embodiment of the present invention has advantages of small occupied space, fast temperature adjustment, high washing efficiency, etc.

A water pump 1 of a dishwasher according to an embodiment of the present invention will be described with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in fig. 1 to 2, a water pump 1 of a dishwasher according to an embodiment of the present invention includes a housing 100, an impeller 200, a motor 300, and a heating device 400.

Specifically, as shown in fig. 1, the housing 100 includes a metal pump housing 130, a motor gland 140, and a suction gland 150. The metal pump case 130 has a ring shape in cross section, and the heating means 400 is provided on the outer surface of the metal pump case 130. The motor 300 is arranged on the motor gland 140 and a motor shaft of the motor 300 passes through the motor gland 140 and extends into the water guide cavity. The metal pump housing 130 is clamped between the motor gland 140 and the inlet gland 150, and the inlet gland 150 and the motor gland 140 respectively cover two end faces of the metal pump housing 130 in the axial direction to define the water guide chamber together with the metal pump housing 130. Specifically, the cross section of the metal pump casing 130 is designed to be annular, which further facilitates the production and processing of the casing 100 and improves the production efficiency of the casing 100. This facilitates the heating device 400 to transfer heat into the water guide cavity through the metal pump housing 130, thereby improving the heating effect on the water in the water guide cavity. Therefore, when the water pump 1 works, high-temperature and high-pressure water jet can be generated in the water guide cavity, and the washing efficiency of the dishwasher is further improved.

More specifically, as shown in FIG. 1, the motor gland 140 and the inlet gland 150 are coupled by threaded fasteners 500. Specifically, the threaded fastener 500 connects the motor 300, the impeller 200, and the pump casing 100 together. Can be convenient for like this the installation of washing pump 1, improve the installation of washing pump 1 and dismantle efficiency, not only can improve the production efficiency of dish washer when the pump 1 breaks down, can change fast moreover, reduces the maintenance cost of dish washer. In addition, the motor gland 140 and the inlet gland 150 may be pressed against the metal pump housing 130 by using the screw fasteners 500 so as to ensure the sealing performance of the water guide chamber.

Further, as shown in fig. 1, the threaded fasteners 500 are plural and are provided at intervals along the circumferential direction of the casing 100. Therefore, the stress of the motor gland 140 and the inlet gland 150 is more uniform when the motor gland and the inlet gland are connected through the threaded fastener 500, the stability of the water pump 1 during operation can be improved, and the tightness of the water guide cavity can be further improved.

Optionally, as shown in fig. 1, sealing rings 600 are provided between the inlet gland 150 and the metal pump casing 130 and between the motor gland 140 and the metal pump casing 130. Therefore, the sealing performance between the gland and the metal pump shell 130 can be further improved by utilizing the sealing ring 600, the pump shell 100 is further prevented from leaking, the sealing performance of the pump shell 100 is convenient to improve, and the working reliability of the water pump 1 is convenient to improve.

Fig. 1-2 show a water pump 1 of a dishwasher according to one specific example of the present invention. As shown in fig. 1-2, the heating device 400 is annular and extends circumferentially over the outer circumferential surface of the metal pump casing 130. Therefore, the shapes of the heating device 400 and the metal pump shell 130 are more adaptive, the heat conduction area between the heating device 400 and the metal pump shell 130 can be further increased, the heating device 400 and the metal pump shell 130 can be tightly matched, heat is timely transferred to water in the water guide cavity, the heat transfer rate is increased, the heating rate of the heating device 400 is increased, and the water in the water guide cavity is further convenient to rapidly heat up.

Specifically, as shown in fig. 1, the outer circumferential surface of the metal pump case 130 is provided with a groove 131 extending in the circumferential direction, and the heating device 400 is fitted in the groove 131. Therefore, the groove 131 can be utilized to position the heating device 400, so that the accuracy and the working stability of the heating device 400 during installation are further improved, the working reliability of the water pump 1 is further improved, the heat conduction area between the heating device 400 and the metal pump shell 130 can be further increased, the heating effect of the heating device 400 is improved, and the washing efficiency of the dishwasher is improved.

Alternatively, as shown in fig. 1, the heating device 400 is welded to the metal pump casing 130. Compared with other connecting structures, the welding structure has the advantages that materials can be saved, unnecessary procedures are reduced, and the forming is convenient. Therefore, the production cost of the water pump 1 can be reduced conveniently, and the production efficiency of the water pump 1 can be improved conveniently.

Advantageously, as shown in fig. 1, the water inlet 110 is formed on the inlet gland 150 and the water outlet 120 is formed on the peripheral wall of the metal pump case 130. In particular, the impeller may be a centrifugal impeller. This prevents the water inlet 110 and the water outlet 120 from adversely affecting the flow of water in the water guide chamber, thereby ensuring the working efficiency of the water pump 1.

A dishwasher according to an embodiment of the present invention is described below. The dishwasher according to an embodiment of the present invention includes the water pump 1 of the dishwasher according to the above-described embodiment of the present invention.

According to the dishwasher of the embodiment of the invention, the water pump 1 of the dishwasher according to the embodiment of the invention has the advantages of small occupied space, fast temperature adjustment, high washing efficiency and the like.

Other constructions and operations of dishwashers according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A water pump of a dishwasher, comprising:

the water-saving pump comprises a shell, a water inlet, a water outlet, a water guide cavity and a water outlet, wherein at least one part of the shell is a metal part, the shell is internally provided with the water guide cavity, the shell is provided with the water inlet and the water outlet which are communicated with the water guide cavity, the shell comprises a metal pump shell, the cross section of the metal pump shell is annular, and the peripheral surface of the metal pump shell is provided with a groove which extends along;

the impeller is rotatably matched in the water guide cavity;

the motor is arranged on the shell and is in transmission connection with the impeller;

the heating device is arranged on the shell and positioned outside the shell, the heating device is arranged on the outer surface of the metal pump shell, and the heating device is matched in the groove.

2. The water pump of a dishwasher of claim 1, wherein the housing comprises:

the motor is arranged on the motor gland, and a motor shaft of the motor penetrates through the motor gland and extends into the water guide cavity;

the metal pump shell is clamped between the motor gland and the inlet gland, and the inlet gland and the motor gland respectively cover two axial end faces of the metal pump shell so as to jointly limit the water guide cavity together with the metal pump shell.

3. The dishwasher pump of claim 2, wherein the motor gland and the inlet gland are connected by a threaded fastener.

4. The dishwasher pump of claim 3, wherein the threaded fasteners are plural and spaced apart along a circumferential direction of the housing.

5. The dishwasher pump of claim 2, wherein a seal is provided between the inlet gland and the metal pump housing and between the motor gland and the metal pump housing.

6. The dishwasher pump of claim 2, wherein the heating means is annular and extends circumferentially on an outer peripheral surface of the metal pump housing.

7. The dishwasher pump of claim 2, wherein the heating device is welded to the metal pump housing.

8. The dishwasher pump of claim 2, wherein the water inlet is formed on the inlet gland and the water outlet is formed on a peripheral wall of the metal pump case.

9. A dishwasher, characterized by comprising a water pump of the dishwasher according to any one of claims 1 to 8.