CN211796280U

CN211796280U - Dish washing machine

Info

Publication number: CN211796280U
Application number: CN201921470915.3U
Authority: CN
Inventors: 张永奎; 杨林; 徐伟; 郝素; 吴奕乐
Original assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-10-30
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a dish washing machine, which comprises an inner container, a washing chamber, a water outlet and a water outlet, wherein the inner container is provided with the washing chamber; the drainage pump is arranged at the bottom of the inner container and is provided with a drainage cavity communicated with the drainage port; the filter is detachably arranged at the water drainage port; the filter is arranged close to the rear side of the inner container. Above-mentioned dish washer sets up the filter in the rear side position of inner bag, and when the installation with dismantle the filter, the user need not to make the health stretch into the dish washer forward, the installation and the dismantlement operation of the filter of being convenient for, and the user is in the use, is convenient for observe whether the collection of filter interior residue is full, in time dismantles the clearance filter.

Description

Dish washing machine

Technical Field

The utility model relates to a washing equipment technical field especially relates to a dish washer.

Background

With the continuous progress of the human society and the continuous improvement of the living standard, the dish washing machine enters more and more household kitchens. In the process of washing tableware with pollutants by the dish washing machine, some fine impurities can enter the filter of the dish washing machine after being washed off the tableware, the filter is used for filtering the fine impurities, and the filter can be taken down after the water is drained by the dish washing machine to clean the impurities in the filter. The existing filter is generally arranged at the middle part or the front side of the inner container, a user needs to visit the body to take and place the filter, the operation is inconvenient, and whether impurities in the filter are fully piled or not is not easy to observe, and the impurities cannot be cleared in time.

SUMMERY OF THE UTILITY MODEL

Based on this, the to-be-solved technical problem of the utility model is to provide a filter convenient to detach, be convenient for observe whether the impurity collects the dish washer full.

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

a dishwasher, comprising:

the inner container is provided with a washing cavity, and the bottom of the inner container is provided with a water outlet;

the drainage pump is arranged at the bottom of the inner container and is provided with a drainage cavity communicated with the drainage port;

the filter is detachably arranged at the water drainage port; the filter is arranged close to the rear side of the inner container.

Further, the filter includes a micro filter having an open upper portion, and a coarse filter passing through the open upper portion of the micro filter, the micro filter communicating with the drain chamber of the drain pump.

Furthermore, the bottom of the inner container is provided with a containing groove protruding downwards, the filter is arranged in the containing groove, and the water outlet is formed in the side wall of the containing groove.

Furthermore, the filter is clamped and fixed with the accommodating groove.

The washing pump is provided with a washing impeller, the drainage pump is provided with a drainage impeller, the washing impeller is fixed at the upper end of the rotating shaft, and the drainage impeller is fixed at the lower end of the rotating shaft.

Further, still include annular heating plate, the heating plate establish the cover locate the outside of motor casing is fixed with the inner bag of dish washer.

The heating plate is provided with a heating cavity, and the heating cavity is arranged above the heating plate; the heating cavity is communicated with the water outlet; the filter screen assembly is provided with a through hole, and the filter penetrates through the through hole and is fixed with the inner container.

Further, the filter screen assembly comprises an annular isolation plate and a filter screen, the isolation plate comprises a body part arranged above the heating plate, an outer extension part extending outwards along the outer periphery of the body part, and an inner extension part extending inwards along the inner periphery of the body part, and the heating cavities are formed between the outer extension part and the bottom surface of the inner container of the dishwasher, between the body part and the heating plate, and between the inner extension part and the motor casing; the filter screen is arranged on the outer extension part.

Further, the division board still includes along the outside bulge that extends of edge portion of extension, the through-hole is seted up on the bulge.

Further, the filter is arranged close to the rear side corner of the inner container.

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

above-mentioned dish washer sets up the filter in the rear side position of inner bag, and when the installation with dismantle the filter, the user need not to make the health stretch into the dish washer forward, the installation and the dismantlement operation of the filter of being convenient for, and the user is in the use, is convenient for observe whether the collection of filter interior residue is full, in time dismantles the clearance filter.

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 view of the bottom assembly of the inner container of the dishwasher of the present invention, shown in a top view;

FIG. 2 is a schematic view of the bottom of the inner container of the dishwasher of the present invention, shown in a bottom view;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a partial cross-sectional view of FIG. 1, showing the inner bladder not shown;

FIG. 5 is a front sectional view of the bottom assembly of the inner tub of the dishwasher of the present invention;

FIG. 6 is an enlarged view of FIG. 5;

FIG. 7 is a schematic view of the bottom structure of the inner container of the dishwasher of the present invention;

FIG. 8 is a schematic view of a filter screen assembly in the dishwasher of the present invention;

FIG. 9 is a front view of a screen assembly in the dishwasher of the present invention;

FIG. 10 is a bottom view of a heating plate in the dishwasher of the present invention;

FIG. 11 is a cross-sectional view taken along line A-A of FIG. 10;

FIG. 12 is a schematic view showing the structure of a mounting tray in the dishwasher of the present invention;

description of reference numerals:

an inner container 100; a fitting hole 110; support ribs 120; a drain opening 130; a recess 140; an accommodation groove 150; a pawl slot 160; a fixing claw 170;

a motor case 200;

a spray arm 300;

washing the impeller 400;

a drain volute 510; a drain chamber 511; a drain inlet pipe 520; a drain outlet pipe 530;

a heating plate 600; heating the body 610; an inner bend 620; the outer bent portion 630; a heating part 640;

a screen assembly 700; a partition plate 710; a body portion 711; an outer extension 712; an inner extension 713; a projection 714; a through-hole 715;

a filter 800; a fine filter 810; a coarse filter 820;

assembling the fixing ring 910;

an assembly bracket 920; an outer barrier rib 921; a washer 930 is fixed.

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.

Referring to fig. 1 to 12, there is shown an embodiment of a dishwasher according to the present invention. The dishwasher includes a tub 100, the tub 100 has a washing chamber, the bottom of the tub 100 is preferably a groove structure, a mounting hole 110 is provided at a central position, and a drain 130 is provided at the bottom of the tub 100. The dishwasher further includes a motor, a washing pump, a drain pump, and a filter 800. The motor has a motor case 200 and a rotating shaft coaxially disposed with the motor case 200. The upper and lower ends of the rotating shaft extend out of the motor case 200. The upper part of the motor is provided with a spray arm 300. The washing pump includes a washing impeller 400, and the washing impeller 400 is fixed to the upper end of the rotating shaft. The drain pump includes a drain volute 510 and a drain impeller, a drain cavity 511 is provided between the bottom of the motor casing 200 and the drain volute 510, a drain inlet pipe 520 and a drain outlet pipe 530 communicated with the drain cavity 511 are provided on the drain volute 510, the drain inlet pipe 520 is communicated with the drain port 130 of the dishwasher liner 100 for guiding the washing water in the dishwasher liner 100 into the drain cavity 511. The water discharge impeller extends into the water discharge cavity 511 and is fixedly connected to the lower end of the rotating shaft. When the motor drives the rotating shaft to rotate forwards, the washing impeller 400 rotates forwards, the spraying arm 300 operates, the drainage impeller rotates forwards, and the drainage water outlet pipe 530 is cut off; when the motor drives the motor shaft to rotate reversely, the washing impeller 400 rotates reversely, the spray arm 300 stops operating, the drainage impeller rotates reversely, and the drainage outlet pipe 530 opens for drainage.

As shown in fig. 3, the strainer 800 is detachably installed at the drain port 130 of the inner tub 100, the strainer 800 can filter the washing water passing through the drain port 130, and the strainer 800 is detachable so that the strainer 800 can be easily taken out to clean the residue collected inside. As shown in fig. 1, the filter 800 is disposed near the rear side of the inner container 100.

Foretell dishwasher, with filter 800 setting in the rear side position of inner bag 100, when installation and dismantlement filter 800, the user need not to make the health stretch into dishwasher forward, the installation and the dismantlement operation of filter 800 of being convenient for, and the user in the use, whether the residue is collected fully in being convenient for observe filter 800, in time dismantles clearance filter 800.

Specifically, as shown in fig. 3, the filter 800 includes a fine filter 810 and a coarse filter 820, the fine filter 800 has an open upper portion, the coarse filter 820 passes through the open upper portion of the fine filter 800, i.e., the coarse filter 820 is fitted into the fine filter 800, and the lower portion of the fine filter 800 communicates with the drain port 130. The coarse filter 820 is used to filter out large-sized residues, and the micro filter 800 is used to filter out small-sized residues. Preferably, the coarse filter 820 is detachably mounted on the open top of the micro filter 800.

The coarse filter 820 is preferably in the shape of a cylinder having a grating through which large-sized residues are filtered. In other embodiments, coarse filter 820 may also include a coarse filter mesh and a frame for maintaining the cylindrical shape of the coarse filter mesh. The micro filter 800 includes a filtering membrane and a frame for maintaining a cylindrical shape of the filtering membrane.

In this embodiment, as shown in fig. 7, the bottom of the inner container 100 is provided with a receiving groove 150 protruding downward, the filter 800 is disposed in the receiving groove 150, and the drain 130 is opened on the sidewall of the receiving groove 150.

Preferably, the filter 800 is fixed to the receiving groove 150 in a snap-fit manner. Specifically, the bottom of the receiving groove 150 is provided with a jaw groove 160, the bottom of the filter 800 is provided with a jaw, and the filter 800 is locked into the jaw groove 160 by the rotation of the jaw and fixed.

The dishwasher further includes a heating plate 600. As shown in fig. 3 to 5, the heating plate 600 is ring-shaped, and is sleeved on the outer side of the motor casing 200 and is hermetically fixed on the assembly hole 110 of the inner container 100. Referring to fig. 10 and 11, the heating plate 600 has a ring-shaped heating body 610, and the heating body 610 is provided with an inner high and an outer low. Heating plate 600 encircles washing pump a week setting, has improved heating efficiency, and the washing pump setting is in the centre, and the washing pump is from when intaking all around, and annular heating plate 600 can be with the washing water even heating in the heating chamber, improves the washing effect. Washing water flows through from heating body 610, overlaps the outside at motor casing 200 through setting up heating plate 600 cover for heating plate 600 is favorable to the simplification of structure as a part in washing water route, and has avoided setting up in the water route and has leaded to blockking to rivers. In the washing process of the dishwasher, the motor is started, so that the rotating shaft drives the washing impeller 400 to rotate, and further washing water in the washing pump cavity is pumped into the washing cavity by the washing impeller 400, and the washing water entering the washing pump cavity must flow through the upper surface of the heating body 610 because the heating plate 600 is annularly sleeved on the outer side of the motor shell 200, so that the washing water reaching the washing pump cavity in a heating state is heated, and the heating efficiency is improved; the heating body 610 is arranged to be high inside and low outside, and when the washing water flows inwards along the radial direction from the outer side of the heating body 610, the washing water needs to climb upwards, so that the difficulty of washing water backflow is increased, the speed of the water flow flowing through the heating body 610 is reduced, the time of the flowing water flowing through the heating body 610 is increased, and the heating efficiency of the heating plate 600 on the washing water is improved.

With regard to the structure of the heating plate 600, referring to fig. 11, the heating plate 600 has an obliquely arranged heating body 610, an inward bent portion 620 bent downward and inward and extending along the inner side of the heating body 610, and an outward bent portion 630 bent downward and outward and extending along the outer side of the heating body 610, wherein the inward bent portion 620, the heating body 610, and the outward bent portion 630 surround to form a cavity, and the heating element 640 is located in the cavity; by forming the cavity, an arrangement space of the heating part 640 is formed; for example, in the case of water seepage at the junction of the inside or outside of the heating plate 600, the leaked water drops do not flow upward into the cavity along the inward bent portion 620 or the outward bent portion 630, which is advantageous for protecting the safety of the heating element 640. Preferably, the heating plate 600 is made of metal, and the heating element 640 is a heating film attached to the lower end surface of the heating body 610, so that heat transfer is facilitated.

As for the inclination angle of the heating body 610 in the radial direction, the inclination of the heating body 610 is too large, so that the climbing speed of the water current flowing through the heater is too slow, and the washing efficiency is lowered; however, the heating body 610 cannot improve the heating efficiency even if the inclination angle is too small; preferably, the included angle between the heating body 610 and the horizontal plane is 3 to 8 degrees, and more preferably, the included angle between the heating body 610 and the horizontal plane is 5 to 6 degrees.

The heating plate 600 is fixed to the motor case 200 by a fitting fixing ring 910. The assembly fixing ring 910 is fixed to the motor case 200 by a rotational snap.

The heating plate 600 is fixed to the inner tub 100 by a mounting bracket 920. Mounting bracket 920 is fastened to inner tub 100 at mounting hole 110 from bottom to top by rotation, and fixes heating plate 600, a motor, a washing pump, and the like to the bottom of inner tub 100. Specifically, a plurality of fixing claws 170 extending downward are arranged on the bottom wall of the assembly hole 110, a plurality of outer blocking ribs 921 extending outward are arranged on the assembly bracket 920, and the outer blocking ribs 921 are matched and clamped with the fixing claws 170. The fixing claws 170 have support portions extending downward and claw portions extending by being bent inward along the lower ends of the support portions, and the outer ribs 921 are located above the claw portions. The heating plate 600 is held by the fitting bracket 920, moved upward, and by rotating the fitting bracket 920, the outer stopper 921 is caught above the fixing claw 170. The plurality of fixing claws 170 and the outer stopper rib 921 are circumferentially arranged. The mounting bracket 920 is fixed at the mounting hole 110 by a rotational snap.

In another embodiment, a heating part 640 may be additionally provided in the washing pump to further improve the washing effect.

Referring to fig. 3-5, the dishwasher further includes a screen assembly 700. The filter screen assembly 700 is placed over the heating plate 600 and forms a heating chamber with the heating plate 600. The direction of the exterior of the inner container 100 is defined as the outer direction. The filter component is provided with a filter screen area a near the outer edge. The washing water filtered by the filter screen assembly 700 enters the heating chamber, is heated by the heating plate 600, and is sprayed into the inner container 100 through the washing pump and the spray arm 300 to be cleaned. The filter screen district a of filter screen subassembly 700 sets up in its outer edge, and the heating plate 600 is inwards flowed through from heating plate 600 periphery to the filterable washing water in filter screen district a, can increase the area of contact of washing water with heating plate 600, improves heating plate 600's heating efficiency, simultaneously because filter screen subassembly 700 part sets up the filter screen district, can reduce the washing water flow and the velocity of flow that get into in the heating chamber, further improves heating efficiency, promotes the washing effect.

Specifically, referring to fig. 8 and 9, the filter screen assembly 700 includes an annular partition plate 710 and a filter screen provided in a filter screen area a. The partition plate 710 includes a body 711 provided above the heating plate 600, an outer extension 712 extending outward along the outer periphery of the body 711, and an inner extension 713 extending inward along the inner periphery of the body 711. The inner extension 713 is sleeved between the motor housing 200 and the spray arm 300 for fixing. In this embodiment, a fixing gasket 930 is disposed between the spray arm 300 and the inner extension 713, and the fixing gasket 930 presses and fixes the filter screen assembly 700 to the inner container 100. Heating chambers are formed between the external extension part 712 and the bottom surface of the inner container 100, between the body part 711 and the heating plate 600, and between the internal extension part 713 and the motor case 200. Wherein, the filter screen is disposed on the outer extension portion 712. The washing water of the inner container 100 is filtered by the planar filter screen, enters the heating cavity, is heated by the heating plate 600 and then is sprayed into the inner container 100 by the washing pump and the spray arm 300 to carry out the washing operation. In this embodiment, the filter screen is disposed on the external extension part 712, i.e., disposed on the outer side of the heating plate 600, not directly opposite to the heating plate 600, and the washing water filtered by the filter screen flows inwards from the outer side area of the heating plate 600, so that the contact area between the washing water and the heating plate 600 during the flowing process can be further increased, the heating efficiency of the heating plate 600 is improved, and the washing effect is further improved.

The filter net is preferably ring-shaped and is disposed around the outer extension 712 to improve the filtering efficiency. In other embodiments, the filter screen may have other shapes or be composed of multiple sections of filter screen.

The main body 711 of the partition plate 710 is disposed obliquely downward from inside to outside, the outer extension 712 extends horizontally outward along the outside of the main body 711, and the inner extension 713 extends horizontally inward along the inside of the main body 711, i.e. the partition plate 710 is in the shape of a pot cover with a high inside and high outside. The inclined slope of the isolation plate 710 can increase the flow rate of the washing water, so that when the washing water can be washed to the planar filter screen, residues on the filter screen can be easily washed away, and the residues are prevented from being accumulated on the filter screen to block the water flow. Meanwhile, the heating plate is matched with the inner high and outer low inclined arrangement structure of the heating plate 600. The included angle between the body of the isolation plate 710 and the horizontal plane is 3-8 degrees, and more preferably, the included angle between the body of the isolation plate 710 and the horizontal plane is 5-6 degrees.

In order to improve the strength of the filter screen assembly 700 and prevent the deformation of the partition plate 710, as shown in fig. 7, a plurality of support ribs 120 are circumferentially arranged on the liner 100 around the assembly hole 110 at intervals, the support ribs 120 can support the partition plate 710, and the support ribs 120 also play a role in enhancing the strength of the assembly hole 110 of the liner 100. The support ribs 120 are spaced apart from each other, and can form a filter grid. In the present embodiment, the support rib 120 is supported at the inner edge position of the outer extension 712.

In this embodiment, the heating chamber is in communication with the drain 130. During draining, the washing water entering the heating chamber can be guided to the drainage chamber 511 of the drainage pump through the drainage port 130.

The washing water filtered by the filter screen assembly 700 also has a residual fine residue flowing into the heating chamber and depositing in the heating chamber. In order to collect and remove the fine residue in the heating cavity, a groove 140 is disposed on the bottom surface of the inner container 100 below the outer extension portion 712, the groove 140 is circumferentially disposed along the outer extension portion 712, the groove 140 can collect the residue sediment, and the bottom surface of the groove 140 is inclined downward toward the side close to the drain opening 130, that is, the depth of the groove 140 toward the position close to the drain opening 130 is gradually deepened, so that the fine residue can flow along the inclined groove 140 to the drain opening 130 to be discharged when water is drained. And the groove 140 is wider as it gets closer to the drain opening 130, thereby facilitating the discharge of fine residue. For convenience of manufacture, in the present embodiment, two arc-shaped grooves 140 are provided, symmetrically arranged with respect to the drain opening 130, to form a double C-shaped structure.

The partition plate 710 on the upper side of the water outlet 130 is provided with a through hole 715, the filter 800 is arranged at the through hole 715, and the filter 800 is communicated with the heating cavity and the water outlet cavity 511 of the water discharge pump. In washing, the washing water may be simultaneously introduced into the heating chamber from the filter 800 and the filter screen assembly 700. In the draining operation, a portion of the washing water is filtered by the filter 800 and then introduced into the drain pump, and a portion of the washing water is filtered by the filter screen assembly 700 and then introduced into the heating chamber and then introduced into the drain pump.

The filter screen area of the filter 800 assembly can largely bypass the filter, and the problems that only the coarse filter 820 and the fine filter 800 are arranged, the filtering speed is low, and the filter is easy to block can be solved.

In this embodiment, as shown in fig. 8, the partition plate 710 of the filter screen assembly 700 further includes a protrusion 714 extending outward along an edge portion of the outer extension 712, and a through hole 715 is formed in the outer extension 712 and the protrusion 714. The outer edge part is protruded towards the outer arc transition to form an arc-shaped protrusion part 714, so that a through hole 715 with a larger diameter can be formed, a filter 800 with a larger size is installed, the filtering effect is improved, more residues can be collected, and the frequency of detaching and cleaning the residues of the filter 800 is reduced. The protrusion 714 is disposed near the rear side corner of the inner container 100, that is, the filter 800 is disposed near the rear side corner of the inner container 100, so that the corner can be fully utilized to dispose the large-sized filter 800.

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 dishwasher, comprising:

2. The dishwasher of claim 1, wherein the filter includes a micro filter having an open upper portion and a coarse filter passing through the open upper portion of the micro filter, the micro filter being in communication with the drain chamber of the drain pump.

3. The dishwasher according to claim 1 or 2, wherein the bottom of the inner container is provided with a receiving groove protruding downwards, the filter is arranged in the receiving groove, and the water outlet is arranged on the side wall of the receiving groove.

4. The dishwasher of claim 3, wherein the filter is snap-fitted into the receiving recess.

5. The dishwasher of claim 1, further comprising a motor having a motor housing, a rotating shaft disposed coaxially with the motor housing, and a washing pump having a washing impeller, and a drain pump having a drain impeller, the washing impeller being fixed to an upper end of the rotating shaft, the drain impeller being fixed to a lower end of the rotating shaft.

6. The dishwasher of claim 5, further comprising an annular heating plate, wherein the heating plate is sleeved outside the motor casing and fixed with the inner container of the dishwasher.

7. The dishwasher of claim 6, further comprising a filter screen assembly, wherein the filter screen assembly is covered above the heating plate and forms a heating cavity with the heating plate; the heating cavity is communicated with the water outlet; the filter screen assembly is provided with a through hole, and the filter penetrates through the through hole and is fixed with the inner container.

8. The dishwasher of claim 7, wherein the filter screen assembly comprises an annular baffle and a filter screen, the baffle comprising a body portion disposed above the heater tray, an outer extension extending outwardly along an outer periphery of the body portion, an inner extension extending inwardly along an inner periphery of the body portion, the outer extension forming the heating cavity with a bottom surface of a dishwasher liner, the body portion with the heater tray, the inner extension with a motor housing; the filter screen is arranged on the outer extension part.

9. The dishwasher of claim 8, wherein the separator plate further comprises a projection extending outwardly along an edge portion of the outer extension, the through-hole opening on the projection.

10. The dishwasher of claim 1, wherein the filter is disposed adjacent to a rear side corner of the inner tub.