CN212913125U - Dish washing machine - Google Patents

Abstract

The machine body comprises a shell and an inner container arranged in the shell, a water tank water outlet is formed in the upper portion of the water tank, an inner container water inlet is formed in the upper portion of the inner container, and the water tank water outlet and the inner container water inlet are communicated through a connecting pipeline. In the dish washing machine, the water tank water outlet is arranged on the upper part of the water tank, so that the water tank water leakage probability is greatly reduced in the use process of the dish washing machine, the reliability of the water tank is improved, and the sealing structure of the water tank is simplified.

Description

Dish washing machine

Technical Field

The present disclosure relates to, but is not limited to, the field of kitchen appliances, and more particularly, to a dishwasher.

Background

In some techniques, a dishwasher includes a removable tank having a water outlet at the bottom of the tank for supplying water to the inner tub of the dishwasher. However, the dishwasher has a problem that water leaks from the water tank when the water tank is used for a long time or removed.

SUMMERY OF THE UTILITY MODEL

The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

The embodiment of the application provides a dish washing machine, which can avoid the water leakage problem of a water tank.

The embodiment of the application provides a dish washer, include the organism and fix the water tank in the organism outside, the organism include the casing with set up in inner bag in the casing, the upper portion of water tank is equipped with the water tank delivery port, the upper portion of inner bag is equipped with the inner bag water inlet, the water tank delivery port with the inner bag water inlet passes through the connecting tube intercommunication, be equipped with the connection in the water tank the outlet pipe way of water tank delivery port, the outlet pipe way extends to the bottom of water tank.

In some exemplary embodiments, the body further includes a water pump and a switch valve, the water pump and the switch valve are disposed on the connection pipeline, and the water pump and the switch valve are located above the inner container.

In some exemplary embodiments, a water inlet joint is arranged at the upper part of the shell, the water outlet of the water tank is communicated with the water inlet of the inner container through the water inlet joint, and the water pump and the switch valve are arranged on a connecting pipeline between the water inlet joint and the water inlet of the inner container.

In some exemplary embodiments, the water tank outlet is inserted into the water inlet connector, a sealing ring is arranged between the water tank outlet and the water inlet connector, a sealing rib is arranged on the outer circumferential surface of the sealing ring, and the sealing rib abuts against the inner circumferential surface of the water inlet connector.

In some exemplary embodiments, the lower portion of the outlet of the water tank is inserted into the upper portion of the water inlet connector, and the sealing rib is an annular rib having a flared shape with a protruding end inclined upward.

In some exemplary embodiments, the water inlet joint is a stepped hole with a large caliber at the upper end and a small caliber at the lower end, the lower part of the water tank outlet extends into the upper part of the stepped hole, the lower end of the sealing ring is provided with a lower retaining rib extending inwards, and the lower retaining rib is tightly pressed between the lower end surface of the water tank outlet and the stepped surface of the stepped hole.

In some exemplary embodiments, the upper end of the sealing ring is provided with an upper retaining rib extending outwards, the outer side of the water tank outlet is provided with a horizontal pressing surface, and the upper retaining rib is pressed between the pressing surface and the upper end surface of the water inlet joint.

In some exemplary embodiments, the housing includes a rear cover, a left side plate, a right side plate, and an upper cover, the left side, the right side, and the upper side of the rear cover are fixedly connected to the left side plate, the right side plate, and the upper cover, respectively, and the water tank is fixedly mounted on the rear cover.

In some exemplary embodiments, the water tank is in an inverted L shape and comprises a transverse part at the upper part and a longitudinal part at the lower part, the lower part of the transverse part is provided with a positioning projection protruding downwards, and the water tank water outlet is arranged on the positioning projection;

the upper part of the rear cover is provided with a flanging, the flanging of the rear cover is provided with a positioning sink groove matched with the positioning bulge, and the positioning sink groove is provided with a avoidance hole for avoiding the water outlet of the water tank;

the rear part of the upper cover is provided with a lap edge, the turned edge of the rear cover is lapped on the lap edge of the upper cover, and the lap edge of the upper cover is provided with a positioning groove matched with the positioning sinking groove.

In some exemplary embodiments, the water tank has a water tank inlet at the top, and the water tank inlet and the water tank outlet are arranged in a staggered manner in a horizontal plane.

After the technical scheme is adopted, the embodiment of the application has the following beneficial effects:

1. in the dish washing machine, a water tank water outlet is formed in the upper portion of the water tank, a liner water inlet is formed in the upper portion of the liner, the water tank water outlet and the liner water inlet are communicated through a connecting pipeline, so that water in the water tank enters the liner through the connecting pipeline to supply water for the liner.

Set up in the water tank bottom with the water tank delivery port, because the water tank delivery port that the bottom pressure-bearing leads to has the problem of leaking and compares, the water tank delivery port that sets up on water tank upper portion has avoided the long-time use of water tank and can dismantle the water tank problem of leaking that takes place when dismantling, has improved the reliability of water tank and the performance of dish washer. In addition, the water outlet of the water tank is arranged at the upper part of the water tank, so that a sealing part required when the water outlet of the water tank is arranged at the bottom of the water tank can be omitted, the structure of the water tank is simplified, and the cost is reduced.

2. In some exemplary embodiments, a water pump and a switch valve are arranged on the connecting pipeline between the water tank water outlet and the inner container water inlet, and the water pump and the switch valve are positioned above the inner container, so that the distance between the water tank water outlet, the inner container water inlet, the water pump and the switch valve is short, the length of the connecting pipeline is favorably shortened, the connecting pipeline is convenient to run, the structure of the dish washing machine is simplified, and the design is more reasonable. In addition, the connecting pipeline, the water pump and the switch valve are positioned at the upper part of the inner container, so that the connecting pipeline, the water pump and the switch valve can be better prevented from being extruded in the process of carrying, and the abnormal water inflow is prevented; meanwhile, the maintenance can be more conveniently carried out without turning over the dish-washing machine.

3. In some exemplary embodiments, a water inlet connector is arranged on the shell of the dishwasher body, the water outlet of the water tank is inserted into the water inlet connector, and the water inlet connector is communicated with the water inlet of the inner container through a connecting pipeline. A sealing ring is arranged between the water tank water outlet and the water inlet connector, the sealing ring is sleeved outside the water tank water outlet, a sealing convex rib on the outer peripheral surface of the sealing ring is abutted to the inner peripheral surface of the water inlet connector, and the sealing convex rib is in interference fit with the water inlet connector, so that the sealing effect between the water tank water outlet and the water inlet connector can be enhanced, and the water leakage at the joint between the water tank water outlet and the water inlet connector is prevented.

4. In some exemplary embodiments, the water outlet of the water tank is inserted into the water inlet joint from top to bottom, so that the lower part of the water outlet of the water tank is inserted into the upper part of the water inlet joint, and the sealing rib on the sealing ring is an annular rib and is in a horn shape with a convex end inclined upwards. The horn-shaped sealing convex rib has the function that the water outlet of the water tank and the water inlet joint can be sealed no matter whether the water tank is filled with water or not and even if the water tank is inclined during installation, so that the water in the water tank can be smoothly sucked upwards by using the water pump when the water is sucked from the water tank; in addition, even if the water in the water tank is reduced or does not exist, the water tank is difficult to be well supported and fixed on the side wall of the shell through dead weight, the horn-shaped sealing convex rib can always seal the water outlet of the water tank and the water inlet connector, so that a communication channel between the water pump and the water outlet of the water tank is in an absolute sealing condition, and the water pump is favorable for absorbing water.

5. In some exemplary embodiments, the water inlet joint is a stepped hole with a large caliber at the upper end and a small caliber at the lower end, the lower part of the water outlet of the water tank extends into the upper part of the stepped hole, the lower stop rib at the lower end of the sealing ring is pressed between the lower end surface of the water outlet of the water tank and the stepped surface of the stepped hole, and the upper stop rib at the upper end of the sealing ring is pressed between the pressing surface of the water outlet of the water tank and the upper end surface of the water inlet. The arrangement of the lower retaining rib and the upper retaining rib enhances the sealing effect between the water outlet of the water tank and the water inlet connector.

6. In some exemplary embodiments, the rear part of the upper cover of the shell is provided with a scrap edge, the upper part of the rear cover of the shell is provided with a flange, the flange of the rear cover can be lapped on the scrap edge of the upper cover, and a positioning sinking groove on the flange can be matched with a positioning groove on the scrap edge to realize the positioning of the rear cover and the upper cover; the horizontal part on water tank upper portion is equipped with downward convex location arch, and this location arch and the heavy groove cooperation in location of back lid can realize the location of water tank, the installation and the fixed of the water tank of being convenient for. The water tank water outlet is arranged on the positioning protrusion, and the positioning sink groove is provided with an avoiding hole for avoiding the water tank water outlet, so that the water tank water outlet is connected with the inner container water inlet after passing through the avoiding hole.

7. In some exemplary embodiments, the water tank inlet and the water tank outlet on the top of the water tank are arranged in a staggered manner in the horizontal plane, so that when water is added into the water tank from the water tank inlet, the water flows out from the water tank outlet.

Other aspects will be apparent upon reading and understanding the attached drawings and detailed description.

Drawings

FIG. 1 is an exploded view of a dishwasher according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a dishwasher according to an embodiment of the present application without an upper cover;

FIG. 3 is a schematic cross-sectional view of a dishwasher according to an embodiment of the present application;

FIG. 4 is a schematic view of the structure of part A of FIG. 3;

FIG. 5 is a schematic view of an assembly structure of a water tank and a rear cover of a dishwasher according to an embodiment of the present application;

FIG. 6 is a schematic view of the structure of the portion B in FIG. 5;

FIG. 7 is a schematic structural diagram of a water tank of a dishwasher according to an embodiment of the present application;

FIG. 8 is a cross-sectional view schematically illustrating an exploded structure of a sump of a dishwasher according to an embodiment of the present application;

FIG. 9 is a schematic structural view of a rear cover of a dishwasher according to an embodiment of the present application;

FIG. 10 is another schematic structural view of a rear cover of a dishwasher according to an embodiment of the present application;

FIG. 11 is a schematic structural view of an upper cover of a dishwasher according to an embodiment of the present application;

fig. 12 is another schematic structural diagram of an upper cover of a dishwasher according to an embodiment of the present application.

The reference signs are:

1-a water tank, 11-a water tank outlet, 111-a pressing surface, 12-a water tank inlet, 13-a transverse part, 131-a positioning protrusion, 132-a first positioning concave part, 14-a longitudinal part, 141-a second positioning convex part, 15-a water tank cover, 151-an air hole, 16-a water outlet pipe, 17-a buckle, 21-a rear cover, 211-a flanging, 212-a positioning sink, 213-an avoidance hole, 214-a support part, 215-a second positioning concave part, 216-a first positioning convex part, 217-a first buckle, 218-a second buckle, 219-a screw hole, 22-a left side plate, 221-a first clamping groove, 23-a right side plate, 231-a second clamping groove, 24-an upper cover, 241-a water inlet joint and 242-a step surface, 243-scrap edge, 244-positioning groove, 25-base, 3-inner container, 31-inner container water inlet, 4-water pump, 5-switch valve, 6-connecting pipeline, 7-sealing ring, 71-sealing convex rib, 72-upper retaining rib and 73-lower retaining rib.

Detailed Description

Embodiments of the present application will be described below with reference to the accompanying drawings and the following examples. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The embodiment of the application provides a dishwasher, as shown in fig. 1-3, which comprises a dishwasher body and a water tank 1 fixed on the outer side of the dishwasher body, wherein the dishwasher body comprises a casing and an inner container 3 arranged in the casing, a water tank water outlet 11 (shown in fig. 4 and 8) is arranged on the upper part of the water tank 1, an inner container water inlet 31 is arranged on the upper part of the inner container 3, and the water tank water outlet 11 and the inner container water inlet 31 are communicated through a connecting pipeline 6.

In the dish-washing machine, a water tank water outlet 11 at the upper part of a water tank 1 is communicated with a liner water inlet 31 at the upper part of a liner 3 through a connecting pipeline 6, so that water in the water tank 1 enters the liner 3 through the connecting pipeline 6 to supply water for the liner 3. The distance between the water tank water outlet 11 at the upper part of the water tank 1 and the liner water inlet 31 at the upper part of the liner 3 is short, so that the length of the connecting pipeline 6 is favorably shortened, and the arrangement of the connecting pipeline 6 is convenient.

Set up in water tank 1 bottom with water tank delivery port 11, because the water tank delivery port 11 that the bottom pressure-bearing leads to has the problem of leaking and compares, set up the water tank delivery port 11 on water tank 1 upper portion and avoided the problem of leaking that takes place when 1 long time of water tank is used, improved the reliability of water tank 1 and dish washer's performance. In addition, the water tank outlet 11 is arranged at the upper part of the water tank 1, so that sealing parts required when the water tank outlet 11 is arranged at the bottom of the water tank 1 can be omitted, the structure of the water tank 1 is simplified, and the cost is reduced.

In some exemplary embodiments, the water tank 1 is a detachable water tank, and the water tank 1 is detachably coupled with the housing.

When the water tank 1 is disassembled, the connection between the water tank water outlet 11 and the inner container water inlet 31 is disconnected, compared with the situation that the water tank water outlet 11 is arranged at the bottom of the water tank 1, the water tank water outlet 11 is arranged at the upper part of the water tank 1, and water leakage of the water tank water outlet 11 is avoided when the water tank 1 is disassembled.

In some exemplary embodiments, as shown in fig. 1 and 2, the body further includes a water pump 4 and a switch valve 5, the water pump 4 and the switch valve 5 are disposed on the connecting pipeline 6, and the water pump 4 and the switch valve 5 are located above the inner container 3.

A water pump 4 and a switch valve 5 are arranged on a connecting pipeline 6 between the water outlet 11 of the water tank and the water inlet 31 of the liner, the water pump 4 is used for providing power to send the water pump 4 in the water tank 1 into the liner 3; the switch valve 5 can control the on-off of the connecting water path. Water pump 4 and ooff valve 5 are located the top of inner bag 3 for the distance between water tank delivery port 11, inner bag water inlet 31, water pump 4 and the ooff valve 5 is nearer, is favorable to shortening the length of connecting tube 6, and the connecting tube 6 of being convenient for walks the line, has simplified dish washer's structure, designs more rationally. In addition, the connecting pipeline 6, the water pump 4 and the switch valve 5 are positioned at the upper part of the inner container 3, so that the connecting pipeline 6, the water pump 4 and the switch valve 5 can be better prevented from being extruded in the process of carrying, and abnormal water inflow is prevented; meanwhile, the maintenance can be more conveniently carried out without turning over the dish-washing machine.

In some exemplary embodiments, as shown in fig. 2, the water pump 4 is disposed near the liner water inlet 31, and the on-off valve 5 is disposed far from the liner water inlet 31. Of course, the positions of the water pump 4 and the on-off valve 5 may be interchanged.

In some exemplary embodiments, the on-off valve 5 is a solenoid valve. Of course, the on-off valve 5 may be other types of valves.

In some exemplary embodiments, the water tank 1 is provided with a water outlet pipeline connected to the water outlet 11 of the water tank, and the water outlet pipeline extends to the bottom of the water tank 1.

Specifically, as shown in fig. 3, the water pump 4 is a water suction pump, a water outlet pipe 16 connected to the water outlet 11 of the water tank is disposed in the water tank 1, the water outlet pipe 16 is an independently installed component, and the water outlet pipe 16 extends to the bottom of the water tank 1.

The water suction pump is matched with a water outlet pipe 16 extending to the bottom of the water tank 1, so that water at the bottom of the water tank 1 can be sucked into the inner container 3, and the water in the water tank 1 is fully utilized.

It can be understood that the water outlet pipeline can also be the water outlet pipeline integrally formed with the inner wall of the water tank, one end of the water outlet pipeline is connected with the water outlet of the water tank, the other end of the water outlet pipeline extends into the bottom of the water tank, water in the water tank is conveniently pumped out, and the water outlet pipeline and the inner wall of the water tank are integrally formed to enable the water tank to be simple in assembly structure, so that the assembly efficiency is improved.

In some exemplary embodiments, as shown in fig. 1 and 2, the upper portion of the housing is provided with a water inlet connector 241, the tank outlet 11 and the liner inlet 31 are communicated through the water inlet connector 241, and the water pump 4 and the switch valve 5 are arranged on the connecting pipeline 6 between the water inlet connector 241 and the liner inlet 31.

The water tank outlet 11 is communicated with the water inlet connector 241, the water inlet connector 241 is communicated with the liner water inlet 31 through the connecting pipeline 6, and the water pump 4 and the switch valve 5 are arranged on the connecting pipeline 6 between the water inlet connector 241 and the liner water inlet 31, so that the water pump 4 and the switch valve 5 are positioned in the shell and above the liner 3 and are not influenced by the disassembly and assembly of the water tank 1.

In some exemplary embodiments, as shown in fig. 3 and 4, the tank outlet 11 is inserted into the water inlet connector 241, a sealing ring 7 is disposed between the tank outlet 11 and the water inlet connector 241, a sealing rib 71 is disposed on an outer circumferential surface of the sealing ring 7, and the sealing rib 71 abuts against an inner circumferential surface of the water inlet connector 241.

The water tank outlet 11 is inserted into the water inlet connector 241 of the shell, and the sealing ring 7 is arranged between the water tank outlet 11 and the water inlet connector 241, so that a connecting gap between the water tank outlet 11 and the water inlet connector 241 can be sealed, and water leakage is prevented. As shown in fig. 3-6 and 8, the sealing ring 7 is sleeved outside the water tank outlet 11, and the sealing rib 71 on the outer peripheral surface of the sealing ring 7 is abutted to the inner peripheral surface of the water inlet connector 241, so that the sealing rib 71 is in interference fit with the water inlet connector 241, the sealing effect between the water tank outlet 11 and the water inlet connector 241 can be enhanced, water leakage at the joint between the water tank outlet 11 and the water inlet connector 241 is prevented, sealing when the water pump 4 absorbs water is realized, and the water pump 4 absorbs water conveniently.

In some exemplary embodiments, as shown in fig. 3 to 6 and 8, the lower portion of the tank outlet 11 is inserted into the upper portion of the inlet joint 241, and the sealing rib 71 is a ring-shaped rib having a horn shape with a protruding end inclined upward.

The water tank outlet 11 is inserted into the water inlet connector 241 from top to bottom, so that the lower part of the water tank outlet 11 is inserted into the upper part of the water inlet connector 241, and the sealing convex rib 71 on the sealing ring 7 is an annular convex rib and is in a horn shape with a convex end inclined upwards (the structure of the sealing convex rib 71 is similar to a butterfly wing). The horn-shaped sealing convex rib 71 has the function that the water outlet 11 of the water tank and the water inlet connector 241 can be still sealed no matter whether the water tank 1 is filled with water or not and even if the water tank 1 is inclined during installation, so that the water in the water tank 1 can be smoothly sucked upwards when the water pump 4 is used for sucking water from the water tank 1; in addition, even if the water in the water tank 1 is reduced or no water exists, the water tank 1 is difficult to be supported and fixed on the rear cover 21 of the shell through self weight, the horn-shaped sealing convex rib 71 can seal the water tank water outlet 11 and the water inlet connector 241 all the time, so that a communication channel between the water pump 4 and the water tank water outlet 11 is in an absolute sealing condition, and the water pump 4 is favorable for absorbing water.

In some exemplary embodiments, the outer wall surface of the sealing ring 7 may be provided with one, two or more rings of the sealing rib 71.

In some exemplary embodiments, as shown in fig. 3, 4 and 8, the water inlet connector 241 is a stepped hole with a large caliber at the upper end and a small caliber at the lower end, the lower part of the tank outlet 11 extends into the upper part of the stepped hole, the lower end of the sealing ring 7 is provided with a lower rib 73 extending inwards, and the lower rib 73 is pressed between the lower end surface of the tank outlet 11 and the stepped surface 242 of the stepped hole.

In some exemplary embodiments, as shown in fig. 3, 4 and 8, the upper end of the sealing ring 7 is provided with an upper retaining rib 72 extending outward, the outer side of the tank outlet 11 is provided with a horizontal pressing surface 111, and the upper retaining rib 72 is pressed between the pressing surface 111 and the upper end surface of the water inlet joint 241.

The water inlet connector 241 is a stepped hole with a large caliber at the upper end and a small caliber at the lower end, the lower part of the water outlet 11 of the water tank extends into the upper part of the stepped hole, and the step surface 242 of the stepped hole can limit the insertion depth of the water outlet 11 of the water tank. The lower end rib 73 of the sealing ring 7 is pressed between the lower end surface of the water outlet 11 of the water tank and the step surface 242 of the stepped hole, and the upper end rib 72 of the sealing ring 7 is pressed between the pressing surface 111 of the water outlet 11 of the water tank and the upper end surface of the water inlet connector 241. The arrangement of the lower retaining rib 73 and the upper retaining rib 72 enhances the sealing effect between the water outlet of the water tank 1 and the water inlet joint 241.

In some exemplary embodiments, the lower rib 73 is an annular rib extending toward the inside of the seal ring 7, and the upper rib 72 is an annular rib extending toward the outside of the seal ring 7.

In some exemplary embodiments, the seal bead 71, the upper bead 72, and the lower bead 73 are integrally formed on the seal ring 7. In some exemplary embodiments, the sealing ring 7 is a silicone sealing ring. Of course, the sealing ring 7 may be made of other materials than silica gel.

In some exemplary embodiments, as shown in fig. 1, the housing includes a rear cover 21, a left side plate 22, a right side plate 23, and an upper cover 24, the left, right, and upper sides of the rear cover 21 are fixedly connected to the left side plate 22, the right side plate 23, and the upper cover 24, respectively, and the water tank 1 is mounted and fixed on the rear cover 21.

The water tank 1 is mounted on the rear cover 21, the rear cover 21 completely bears the weight of the water tank 1, and the rear cover 21 bears on the left and right side plates 22 and 23 and the upper cover 24, so that the water tank 1 is firmly and stably mounted.

In some exemplary embodiments, as shown in fig. 9, the lower portion of the rear cover 21 is provided with a support portion 214, and the lower portion of the water tank 11 is supported on the support portion 214.

In order to better fix the water tank 1 to the back cover 21, in some exemplary embodiments, alignment structures are respectively provided on the upper and lower portions of the water tank 1 and the back cover 21. As shown in fig. 7-10, the upper portion of the water tank 1 is provided with a first positioning concave portion 132, the upper portion of the rear cover 21 is provided with a first positioning protruding portion 216, and the upper portion of the water tank 1 and the rear cover 21 are limited by the cooperation of the first positioning protruding portion 216 and the first positioning concave portion 132. The supporting portion 214 is provided with a second positioning concave portion 215, the lower portion of the water tank 1 is provided with a second positioning convex portion 141, and the lower portion of the water tank 1 and the rear cover 21 are limited by the cooperation of the second positioning convex portion 141 and the second positioning concave portion 215.

The upper and lower parts of the water tank 1 are limited, so that the water tank outlet 11 and the water inlet connector 241 can be well inserted and aligned, the water tank 1 can be stably installed, and the water tank 1 can be conveniently disassembled and assembled.

In some exemplary embodiments, as shown in fig. 1 and 10, the left and right sides of the rear cover 21 are respectively provided with a first buckle 217 and a second buckle 218, the left and right side plates 22 and 23 are respectively provided with a first clamping groove 221 and a second clamping groove 231, and the rear cover 21 is buckled on the left and right side plates 22 and 23 by the cooperation of the first buckle 217 and the first clamping groove 221 and the cooperation of the second buckle 218 and the second clamping groove 231. The upper end of the rear cover 21 is fixed to the upper cover 24 by screws. The rear cover 21 is fixed in the upper, left and right directions, so that the weight of the load-bearing water tank 1 is stabilized. In some exemplary embodiments, the lower end of the rear cover 21 is provided with screw holes 219, which are fixed to the base 25 at the lower portion of the housing by screws, thereby enhancing the fixing effect of the rear cover 21 and the supporting stability of the water tank 1.

In some exemplary embodiments, as shown in fig. 5 to 12, the water tank 1 has an inverted L-shape and includes a transverse portion 13 at an upper portion and a longitudinal portion 14 at a lower portion, the lower portion of the transverse portion 13 is provided with a positioning protrusion 131 protruding downward, and the water tank outlet 11 is provided on the positioning protrusion 131;

the upper part of the rear cover 21 is provided with a flanging 211, the flanging 211 of the rear cover 21 is provided with a positioning sinking groove 212 matched with the positioning bulge 131, and the positioning sinking groove 212 is provided with an avoiding hole 213 avoiding the water tank water outlet 11;

the back of the upper cover 24 is provided with a lap 243, the turned-over edge 211 of the back cover 21 is lapped on the lap 243 of the upper cover 24, and the lap 243 of the upper cover 24 is provided with a positioning groove 244 matched with the positioning sunken groove 212.

The rear part of the upper cover 24 of the shell is provided with a lapping edge 243, the upper part of the rear cover 21 of the shell is provided with a flanging 211, the flanging 211 of the rear cover 21 can be lapped on the lapping edge 243 of the upper cover 24, and a positioning sinking groove 212 on the flanging 211 can be matched with a positioning groove 244 on the lapping edge 243 to realize the positioning of the rear cover 21 and the upper cover 24, so that the rear cover 21 and the upper cover 24 are fixed by screws; the transverse part 13 of the upper part of the water tank 1 is provided with a positioning bulge 131 which protrudes downwards, and the positioning bulge 131 is matched with the positioning sinking groove 212 of the rear cover 21, so that the positioning of the water tank 1 can be realized, and the installation and the fixation of the water tank 1 are convenient. The water tank outlet 11 is arranged on the positioning protrusion 131, and the positioning sink 212 is provided with an avoiding hole 213 for avoiding the water tank outlet 11, so that the water tank outlet is connected with the liner water inlet 31 after passing through the avoiding hole 213.

In some exemplary embodiments, as shown in fig. 8, the water tank 1 has a water tank inlet 12 at the top, the water tank inlet 12 and the water tank outlet 11 are arranged in a staggered manner in the horizontal plane,

the water tank inlet 12 and the water tank outlet 11 on the top of the water tank 1 are arranged in a staggered manner in the horizontal plane, so that the projections of the water tank inlet 12 and the water tank outlet 11 on the horizontal plane are not overlapped, and water is prevented from flowing out of the water tank outlet 11 when water is added into the water tank 1 from the water tank inlet 12.

In some exemplary embodiments, as shown in fig. 7 and 8, a water tank cover 15 is disposed at the water inlet 12 of the water tank, and an air hole 151 is formed on the water tank cover 15 to balance air pressure inside and outside the water tank 1, so that the water pump 4 sucks water from the water tank 1.

In some exemplary embodiments, as shown in fig. 7, a handle 17 is provided on the water tank 1 for taking the water tank 1, so as to facilitate the disassembly and assembly of the water tank 1.

In some exemplary embodiments, as shown in fig. 6 to 8, the tank inlet 12, the tank outlet 11, the positioning projection 131 and the first positioning recess 132 are provided on the lateral portion 13, and the second positioning projection 141 and the catcher 17 are provided on the longitudinal portion 14.

The above-mentioned embodiments only express exemplary embodiments of the present application, and the description thereof is more specific and detailed, but the contents are only embodiments adopted for understanding the present application, and are not used for limiting the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims (10)

1. The dishwasher comprises a dishwasher body and a water tank fixed on the outer side of the dishwasher body, wherein the dishwasher body comprises a shell and an inner container arranged in the shell, and is characterized in that a water tank water outlet is formed in the upper portion of the water tank, a liner water inlet is formed in the upper portion of the inner container, the water tank water outlet and the liner water inlet are communicated through a connecting pipeline, a water outlet pipeline connected with the water tank water outlet is formed in the water tank, and the water outlet pipeline extends to the bottom of the water tank.

2. The dishwasher of claim 1, wherein the body further comprises a water pump and a switching valve, the water pump and the switching valve are disposed on the connection line, and the water pump and the switching valve are located above the inner tub.

3. The dishwasher of claim 2, wherein the upper part of the housing is provided with a water inlet joint, the water outlet of the water tank is communicated with the water inlet of the inner container through the water inlet joint, and the water pump and the switch valve are arranged on a connecting pipeline between the water inlet joint and the water inlet of the inner container.

4. The dishwasher of claim 3, wherein the water outlet of the water tank is inserted into the water inlet connector, a sealing ring is arranged between the water outlet of the water tank and the water inlet connector, a sealing rib is arranged on the outer circumferential surface of the sealing ring, and the sealing rib is abutted against the inner circumferential surface of the water inlet connector.

5. The dishwasher of claim 4, wherein a lower portion of the outlet of the water tank is inserted into an upper portion of the water inlet connector, and the sealing rib is an annular rib having a horn shape with a protruding end inclined upward.

6. The dishwasher of claim 4, wherein the water inlet connector is a stepped hole with a large caliber at the upper end and a small caliber at the lower end, the lower part of the water outlet of the water tank extends into the upper part of the stepped hole, the lower end of the sealing ring is provided with a lower retaining rib extending inwards, and the lower retaining rib is tightly pressed between the lower end surface of the water outlet of the water tank and the stepped surface of the stepped hole.

7. The dishwasher of claim 4, wherein the upper end of the sealing ring is provided with an upper retaining rib extending outwards, the outer side of the water outlet of the water tank is provided with a horizontal pressing surface, and the upper retaining rib is pressed between the pressing surface and the upper end surface of the water inlet joint.

8. The dishwasher according to any one of claims 1 to 7, wherein the housing comprises a rear cover, a left side plate, a right side plate and an upper cover, wherein the left side, the right side and the upper side of the rear cover are fixedly connected with the left side plate, the right side plate and the upper cover, respectively, and the water tank is fixedly mounted on the rear cover.

9. The dishwasher of claim 8, wherein the sump has an inverted L-shape and includes a lateral portion at an upper portion and a longitudinal portion at a lower portion, the lateral portion having a positioning protrusion protruding downward at a lower portion thereof, the sump outlet being provided on the positioning protrusion;

the upper part of the rear cover is provided with a flanging, the flanging of the rear cover is provided with a positioning sink groove matched with the positioning bulge, and the positioning sink groove is provided with a avoidance hole for avoiding the water outlet of the water tank;

the rear part of the upper cover is provided with a lap edge, the turned edge of the rear cover is lapped on the lap edge of the upper cover, and the lap edge of the upper cover is provided with a positioning groove matched with the positioning sinking groove.

10. The dishwasher of any one of claims 1 to 7, wherein the tank has a tank inlet at the top, the tank inlet and the tank outlet being offset in a horizontal plane.

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