CN110613410A - Dish washer drain pump assembly structure and dish washer - Google Patents

Abstract

The invention discloses a drain pump assembling structure of a dish-washing machine, which comprises an inner container, wherein the bottom of the inner container is provided with an assembling hole; the motor is provided with a motor shell and a rotating shaft which is coaxially arranged with the motor shell; the drainage pump is arranged at the bottom of the motor and is provided with a drainage impeller fixed with the rotating shaft, and the bottom of the drainage pump is provided with a drainage water inlet pipe and a drainage water outlet pipe; the motor is fixed on the assembly hole through the assembly bracket; the assembly bracket is provided with a first avoidance structure for avoiding the drainage water inlet pipe and the drainage water outlet pipe when the assembly bracket is installed on the assembly hole from bottom to top. When the dish-washing machine is assembled, the motor, the washing pump and the like can be firstly sleeved in the assembly hole of the inner container, and then the motor and the washing pump are fixed on the assembly hole from bottom to top when the dish-washing machine is installed on the assembly hole through the assembly bracket. Through set up the first structure of dodging on the assembly bracket, dodge the drainage inlet tube and the drainage outlet pipe of drain pump, can make the assembly bracket assemble on the inner bag by supreme down, make the installation easy and simple to handle.

Description

Dish washer drain pump assembly structure and dish washer

Technical Field

The invention relates to the technical field of washing equipment, in particular to a drain pump assembly structure of a dish washing machine and the dish washing machine.

Background

Be provided with washing pump and drain pump in the current dish washer, the washing pump is used for spraying the washing water in the basin in the dish washer inner bag washing tableware through the spray arm, and the drain pump is used for discharging the washing water in the basin, current dish washer, and the assembly process between drain pump and the inner bag is comparatively complicated, not only influences the assembly efficiency of dish washer, influences the assembly stability of drain pump moreover.

Disclosure of Invention

Based on the above, the technical problem to be solved by the invention is to provide a drain pump assembly structure of a dish washing machine and the dish washing machine, wherein the drain pump assembly structure of the dish washing machine is high in assembly efficiency and stability.

In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:

a drain pump mounting structure of a dishwasher, comprising:

the bottom of the inner container is provided with an assembling hole;

the motor is provided with a motor shell and a rotating shaft which is coaxially arranged with the motor shell;

the drainage pump is arranged at the bottom of the motor and is provided with a drainage impeller fixed with the rotating shaft, and the bottom of the drainage pump is provided with a drainage water inlet pipe and a drainage water outlet pipe;

the motor is fixed on the assembly hole through the assembly bracket; the assembly bracket is provided with a first avoidance structure, and the assembly bracket is arranged on the assembly hole from bottom to top and is used for avoiding the drainage water inlet pipe and the drainage water outlet pipe.

Further, the mounting bracket is annular, and the drain pump is located in an inner ring of the mounting bracket; the first structure of dodging dodges including offer on the assembly bracket, with the first groove and the second groove of dodging of the inner ring intercommunication of assembly bracket, first dodge the groove and be used for dodging the drainage inlet tube, the second dodges the groove and is used for dodging the drainage outlet pipe.

Furthermore, the drainage inlet pipe and the drainage outlet pipe are horizontally arranged, the drainage inlet pipe extends out of the outer edge of the assembly bracket, and an avoiding notch is formed in the outer edge of the assembly bracket at the first avoiding groove.

Furthermore, two ends of the avoiding notch are connected with lower edge parts protruding downwards.

Further, the motor casing with rotationally be connected between the assembly bracket, the assembly bracket through rotatory joint structure with the connection can be dismantled to the inner bag.

Further, dodge the inboard assembly bracket of breach to first dodge the groove and extend and form the extension, the fixed back of the rotatory joint of assembly bracket, the top surface of drainage inlet tube the extension butt, the bottom surface with lower edge portion butt.

Further, the rotatory joint of assembly bracket is fixed the back, the drainage outlet pipe with assembly bracket butt, butt department is provided with the second and dodges the structure for the installation of dodging of drainage outlet pipe and external water pipe.

Further, the second avoidance structure comprises an avoidance groove arranged on the assembling bracket.

The washing machine further comprises a heating plate and a washing pump arranged on the upper side of the motor, wherein the washing pump is provided with a washing impeller fixed with the upper end of the rotating shaft; the heating plate is annular, and the cover is established the outside of motor casing and with the motor casing is fixed, the assembly bracket sets up the heating plate downside, the assembly bracket with the fixed back of inner bag will the heating plate is pressed to be established and is fixed in between assembly bracket and the inner bag bottom surface.

A dish washing machine, foretell dish washing machine drain pump assembly structure.

Compared with the prior art, the invention has the advantages and positive effects that:

above-mentioned dishwasher drain pump assembly structure, dishwasher can locate the pilot hole of inner bag with covers such as motor, washing pump earlier when the assembly, then through the assembly bracket, by supreme being fixed in the pilot hole with motor, washing pump when installing on the pilot hole down on. Through set up the first structure of dodging on the assembly bracket, dodge the drainage inlet tube and the drainage outlet pipe of drain pump, can make the assembly bracket assemble on the inner bag by supreme down, make the installation easy and simple to handle.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken 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 are briefly introduced 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 based on these 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 of an assembly bracket of the drain pump assembly of the dishwasher of the present invention;

FIG. 13 is a schematic view showing an assembly of an assembly bracket and a drain pump in the drain pump assembly of 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 first avoidance slot 922; a second avoidance slot 923; avoiding the notch 924; a lower edge portion 925; a protruding portion 926; avoiding the groove 927;

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 examples.

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 13, there is shown an embodiment of a drain pump assembly structure of a dishwasher and 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 also comprises a motor, a washing pump and a draining pump. The motor has a motor case 200, and a rotation shaft (not shown) 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 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. Referring to fig. 13, the drain pump mounting structure of the dishwasher includes a mounting bracket 920, and the motor is fixed to the mounting hole 110 through the mounting bracket 920. The assembly bracket 920 is provided with a first avoiding structure for avoiding the drainage water inlet pipe 520 and the drainage water outlet pipe 530 of the drainage pump when the assembly bracket 920 is installed on the assembly hole 110 from bottom to top.

In the above-mentioned drain pump assembly structure of the dishwasher, when the dishwasher is assembled, the motor, the washing pump, etc. can be firstly sleeved in the assembly hole 110 of the inner container 100, and then the motor and the washing pump are fixed on the assembly hole 110 by the assembly bracket 920 when being installed on the assembly hole 110 from bottom to top. The first avoiding structure is arranged on the assembly bracket 920 to avoid the drainage water inlet pipe 520 and the drainage water outlet pipe 530 of the drainage pump, so that the assembly bracket 920 is assembled on the inner container 100 from bottom to top, and the installation operation is simple and convenient.

As shown in fig. 3, the mounting bracket 920 has a ring shape and is adapted to the shape of the mounting hole 110 of the inner container 100. Referring to fig. 12 and 13, the drain pump is located in the inner ring of the mounting bracket 920. First dodge the structure including offer on assembly bracket 920, with the first groove 922 and the second groove 923 of dodging of the inner ring intercommunication of assembly bracket 920, first groove 922 of dodging is used for dodging drainage inlet tube 520, the second groove 923 of dodging is used for dodging drainage outlet pipe 530.

In this embodiment, the drain inlet pipe 520 and the drain outlet pipe 530 of the drain volute 510 are horizontally disposed, and the drain inlet pipe 520 extends out of the outer edge of the mounting bracket 920 for communicating with the drain port 130 of the inner container 100. An avoiding notch 924 is formed in the outer edge of the assembling bracket 920 at the first avoiding groove 922 and is used for avoiding the part, extending out of the outer edge of the assembling bracket 920, of the drainage water inlet pipe 520.

In order to reduce the strength reduction caused by opening the avoiding gap 924, the two ends of the avoiding gap 924 are connected with lower edge portions 925 protruding downwards, so that the assembling bracket 920 is of a closed-loop integral structure. Meanwhile, the lower edge portion 925 also serves as a handle, and when the assembling bracket 920 is assembled with the inner container 100 through the rotary clamping structure, the lower edge portion 925 is held, so that the assembling operation is facilitated.

In this embodiment, the motor casing 200 is rotatably connected to the mounting bracket 920, and the mounting bracket 920 is detachably connected to the inner container 100 through a rotary clamping structure. In other embodiments, the locking mechanism can be fastened and fixed up and down through a fastening structure.

Dodge the inboard assembly bracket 920 of breach 924 to first dodging groove 922 extension formation extension 926, the rotatory joint of assembly bracket 920 is fixed the back, and drainage inlet tube 520 is blocked to extension 926 and follows between the portion 925 down, makes the top surface extension 926 butt of drainage inlet tube 520, and the bottom surface and the portion 925 butt of following of drainage inlet tube 520 play the fixed action to drainage inlet tube 520. After the assembly bracket 920 is rotationally clamped and fixed, the drainage water inlet pipe 520 is simultaneously abutted to one end of the lower edge part 925, and the lower edge part 925 plays a role in limiting.

After the assembly bracket 920 is rotationally clamped and fixed, the drainage outlet pipe 530 is abutted to the assembly bracket 920, and a second avoiding structure is arranged at the abutting position and used for avoiding installation of the drainage outlet pipe 530 and an external water pipe. Specifically, the second avoidance structure includes an avoidance groove 927 provided on the mounting bracket 920. Avoiding groove 927 has a certain depth, so when installing an external water pipe, the assembly operation is convenient. In other embodiments, the second avoiding structure may also be a slotted structure.

The dishwasher further includes a heating plate 600. As shown in fig. 3, the heating plate 600 is ring-shaped, and is fitted over the outer side of the motor casing 200 and fixed to the fitting hole 110 of the inner container 100. 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.

In this embodiment, the heating plate 600 is sleeved on the outer side of the motor casing 200, the outer diameter side of the heating plate 600 is matched with the assembly hole 110 of the inner container 100, and the heating plate 600 is fixed to the assembly hole 110 in a sealing manner. As shown in fig. 8 and 9, 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.

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, as shown in fig. 10 and 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 3-8 degrees, more preferably, the included angle between the heating body 61031 and the horizontal plane is 5-6 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.

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

The heating plate 600 is fixed to the inner tub 100 by a mounting bracket 920. Mounting bracket 920 is provided on the lower side of heating plate 600, and after mounting bracket 920 is fixed to inner tub 100, heating plate 600 is pressed and fixed between mounting bracket 920 and the bottom surface of inner tub 100.

As shown in fig. 2, a plurality of fixing claws 170 extending downward are provided on the bottom wall of the fitting hole 110, a plurality of outer retaining ribs 921 extending outward are provided on the fitting bracket 920, and the outer retaining ribs 921 are engaged 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.

The dishwasher further includes a filter screen assembly 700. As shown in fig. 2-5, the filter screen assembly 700 is placed over the heating plate 600 and forms a heating cavity 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, as shown in 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.

In order to improve the strength of the filter screen assembly 700 and prevent the deformation of the partition plate 710, a plurality of support ribs 120 are circumferentially arranged on the inner container 100 around the assembly hole 110 at intervals, as shown in fig. 7, 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 inner container 100. 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. As shown in fig. 7, in order to collect and remove fine residues in the heating chamber, 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 residues, and the bottom surface of the groove 140 is inclined downward toward a side close to the drain opening 130, that is, the depth of the groove 140 is gradually increased toward the position close to the drain opening 130, so that the fine residues can flow along the inclined groove 140 to the drain opening 130 for draining. 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 this embodiment, two arc-shaped grooves 140 are provided, symmetrically with respect to the drain opening 130.

The partition plate 710 on the upper side of the water outlet 130 is provided with a through hole 715, a 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.

Specifically, as shown in fig. 4, filter 800 includes fine filter 810 and coarse filter 820, micro filter 800 has an open upper portion, coarse filter 820 passes through the open upper portion of micro filter 800, i.e., coarse filter 820 is fitted into micro filter 800, and the lower portion of micro filter 800 communicates with 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 filter 800 is detachably mounted on the inner container 100.

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.

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, referring to fig. 7 and 4, 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 disposed 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.

In this embodiment, as shown in fig. 8, the isolation 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. As shown in fig. 1, 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 filter 800 with a large size can be disposed at the corner.

The above examples are only intended to illustrate the technical solution of the present invention, but 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 various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A drain pump mounting structure for a dishwasher, comprising:

the bottom of the inner container is provided with an assembling hole;

the motor is provided with a motor shell and a rotating shaft which is coaxially arranged with the motor shell;

the drainage pump is arranged at the bottom of the motor and is provided with a drainage impeller fixed with the rotating shaft, and the bottom of the drainage pump is provided with a drainage water inlet pipe and a drainage water outlet pipe;

the motor is fixed on the assembly hole through the assembly bracket; the assembly bracket is provided with a first avoidance structure, and the assembly bracket is arranged on the assembly hole from bottom to top and is used for avoiding the drainage water inlet pipe and the drainage water outlet pipe.

2. The dishwasher drain pump mounting arrangement of claim 1, wherein the mounting bracket is annular and the drain pump is located in an inner ring of the mounting bracket; the first structure of dodging dodges including offer on the assembly bracket, with the first groove and the second groove of dodging of the inner ring intercommunication of assembly bracket, first dodge the groove and be used for dodging the drainage inlet tube, the second dodges the groove and is used for dodging the drainage outlet pipe.

3. The dishwasher drain pump mounting structure of claim 2, wherein the drain inlet pipe and the drain outlet pipe are horizontally disposed, the drain inlet pipe extends out of an outer edge of the mounting bracket, and an avoiding notch is formed in an outer edge of the mounting bracket at the first avoiding groove.

4. The dishwasher drain pump mounting structure of claim 3, wherein a lower edge portion protruding downward is connected to both ends of the relief notch.

5. The dishwasher drain pump mounting arrangement of claim 4, wherein the motor housing is rotatably coupled to the mounting bracket, and the mounting bracket is removably coupled to the inner chamber by a rotational snap-fit arrangement.

6. The drain pump assembly structure of claim 5, wherein the assembly bracket inside the avoiding notch extends towards the first avoiding groove to form a protruding part, and after the assembly bracket is rotationally clamped and fixed, the top surface of the drain inlet pipe abuts against the protruding part, and the bottom surface of the drain inlet pipe abuts against the lower edge part.

7. The drain pump assembly structure of claim 6, wherein the drain outlet pipe abuts against the assembly bracket after the assembly bracket is rotationally clamped and fixed, and a second avoiding structure is arranged at the abutting position for avoiding installation of the drain outlet pipe and an external water pipe.

8. The dishwasher drain pump mounting structure of any one of claims 5 to 7, wherein the second relief structure comprises a relief groove provided on the mounting bracket.

9. The dishwasher drain pump mounting structure of claim 8, further comprising a heating plate, a washing pump provided at an upper side of the motor, the washing pump having a washing impeller fixed to an upper end of the rotation shaft; the heating plate is annular, and the cover is established the outside of motor casing and with the motor casing is fixed, the assembly bracket sets up the heating plate downside, the assembly bracket with the fixed back of inner bag will the heating plate is pressed to be established and is fixed in between assembly bracket and the inner bag bottom surface.

10. A dishwasher, comprising the dishwasher drain pump mounting structure of any one of claims 1 to 9.