CN111110135A - Cleaning machine - Google Patents

Abstract

The invention relates to a cleaning machine, which comprises a plastic water tank body with a washing cavity, and also comprises a first metal reinforcing piece, a second metal reinforcing piece and a third metal reinforcing piece, wherein the first metal reinforcing piece is arranged on the inner wall surface of the upper part of the water tank body, the second metal reinforcing piece is sleeved on the periphery of the water tank body, and the third metal reinforcing piece is arranged on the inner wall surface of the lower part of the water tank body. The water tank body is made of plastics, so that the water tank is high in plasticity, the depth of the tank body can be conveniently deepened according to needs, and the production cost is greatly reduced; the first metal reinforcing piece, the second metal reinforcing piece and the third metal reinforcing piece have reinforcing functions, the groove body is prevented from being heated or cooled to deform, the second metal reinforcing piece can also reduce noise generated when water flow impacts the inner wall of the water groove body, the condensation speed of high-temperature steam is increased, the drying speed in the washing cavity is increased, and the cleaning effect is improved; the third metal reinforcement can also resonate with the ultrasonic sound generating device at the bottom of the water tank cleaning machine, so that the ultrasonic cleaning effect is improved.

Description

Cleaning machine

Technical Field

The invention relates to a household electrical appliance for kitchen, in particular to a cleaning machine for washing tableware, vegetables or fruits.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

At present, the structure of a relatively mature water tank type cleaning machine in the market is mainly described in chinese patent "water tank type cleaning machine" (application number: CN201310750968.1) with publication number CN104224074B, that is, the water tank type cleaning machine comprises a tank body forming a washing space, the tank body comprises a water tank body and a cover plate rotatably connected to the water tank body, a concave draining area is arranged at least at the central part of the bottom of the water tank body, a water pump for pumping water in the draining area to the washing space above the draining area is arranged in the draining area, the draining area is covered with a draining plate with draining holes, and a rotary spray arm which is communicated with the water pump and has water outlet holes is arranged above the draining plate. By arranging the draining area covered with the draining plate and arranging the water pump in the draining area, the water pump is isolated from the washing area, so that the water flowing back to the water pump is filtered by the draining plate.

The water tank body of the existing water tank type cleaning machine is made of stainless steel materials, and the processing mode mainly comprises two modes of welding and deep drawing. For the welding process, the welding deformation of the stainless steel material is large, so that the dimensional precision of the water tank is difficult to control, the integral shape of the water tank body is limited, the structure of the water tank body is single, the development of more functional structures of the water tank type cleaning machine is further restricted, and the welding process has extremely high requirements on a welding die, low welding efficiency and high cost; for the drawing process, the drawing depth of the water tank is directly limited by the deformation limit of the stainless steel material, the depth of the water tank is generally smaller than the opening width of the water tank after the water tank is drawn by the drawing process, and the drawing depth of the water tank is difficult to be larger than the opening width of the tank body in the current worldwide process, so that the water tank occupies a large installation space of a kitchen when being installed, and the washing space of the water tank is limited to a great extent.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a cleaning machine which adopts a groove body formed by combining plastic and metal, so that the depth of the groove body can be deepened, and the production cost can be reduced.

The invention aims to solve another technical problem and provides a cleaning machine which can prevent a plastic groove body from deforming and improve the cleaning effect and the condensation effect after cleaning aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a cleaning machine, including the basin body that has the washing chamber, its characterized in that: the water tank comprises a water tank body and is characterized in that the water tank body is made of plastic materials, and the water tank body further comprises a first metal reinforcing piece, a second metal reinforcing piece and a third metal reinforcing piece, wherein the first metal reinforcing piece is arranged on the inner wall surface of the upper portion of the water tank body, the second metal reinforcing piece is sleeved on the periphery of the water tank body, and the third metal reinforcing piece is arranged on the inner wall surface of the lower portion of the water tank body.

Preferably, the inner wall surface of the first metal reinforcing part is convexly provided with a guide strip extending up and down. The structure can guide the condensed water downwards, and is favorable for accelerating the condensation of water.

In order to facilitate installation, a first accommodating groove arranged along the circumferential direction is formed in the inner wall surface of the upper portion of the water tank body, and the first metal reinforcing piece is arranged in the first accommodating groove. This structure is convenient for fix a position the installation to first metal reinforcement.

Preferably, the first metal reinforcing member is formed as an annular plate extending vertically in the first receiving groove, an upper edge of the annular plate is in contact with an upper edge of the first receiving groove, and a lower edge of the annular plate is in contact with a lower edge of the first receiving groove.

Preferably, the upper edge of the annular plate is bent into the first accommodating groove to form a first U-shaped structure with a downward opening, the outer side of the first U-shaped structure is in contact with the inner wall of the first accommodating groove, the lower edge of the annular plate is bent into the first accommodating groove to form a second U-shaped structure with an upward opening, the outer side of the second U-shaped structure is in contact with the inner wall of the first accommodating groove, and a first cavity is formed between the annular plate and the inner walls of the first accommodating groove and between the annular plate and the first U-shaped structure and the second U-shaped structure on the annular plate. Because hot water mainly sprays to the inner wall of upper portion in the basin body after the spray arm blowout to hot steam rises to basin body top, above-mentioned first cavity can improve the thermal insulation performance of basin body lower part on the one hand, practices thrift the energy consumption, and on the other hand also can play syllable-dividing effect to a certain extent.

Preferably, the outer wall surface of the annular plate is recessed inwards to form a recessed area corresponding to the flow guide strip. The structure that the water conservancy diversion strip department is protruding outward concave has strengthened the elasticity of annular plate to a great extent, when the cleaning machine started ultrasonic cleaning device, forms stronger resonance with the ultrasonic wave, improves the cleaning performance.

Preferably, the outer circumferential wall of the water tank body is provided with a reinforcing rib in an area corresponding to the first accommodating groove. Set up this structure, improve basin body upper portion's rigidity to avoid high temperature to lead to basin body top to warp.

Preferably, the open part of the sink body is made of metal at least at the position contacting with the mounting plane, and the sink body part below the open part is made of plastic. Because present basin body when the installation, generally adopt basin body top edge as the bearing position, adopt above-mentioned structure to improve the stability of basin body installation.

In order to facilitate installation and improve the stability after installation, the open periphery of the water tank body is provided with a metal assembly frame for installation and bearing.

Preferably, the open edge is extended outwards to form a shelf capable of resting on the mounting plane, the metal assembly frame is arranged around the open periphery of the water tank body, the cross section of the metal assembly frame at least has a Z-shaped part, wherein the lower liner of the Z shape is arranged below the shelf, the vertical edge of the Z shape is arranged outside the periphery of the shelf, and the upper edge of the Z shape is gradually extended outwards away from the shelf. The upper edge of the Z-shaped part of the metal assembling frame is provided with an outer vertical edge bent downwards at the extending tail end, and the lowest end of the outer vertical edge is flush with the lower edge of the Z-shaped part. To further improve the stability after installation.

Preferably, the inner wall of the first metal reinforcing part is flush with the inner wall surface of the water tank body.

In each of the above embodiments, the bottom of the water tank body is provided with an ultrasonic wave generator. The structure can effectively improve the cleaning effect, and the first metal reinforcing piece arranged on the upper part of the plastic groove body can resonate with the ultrasonic generating device, so that the ultrasonic cleaning effect is further improved.

Preferably, the second metal reinforcing member includes a body formed in a U shape and fitted around the outer circumference of the lower middle portion of the tub body, both ends of the body are extended from the corresponding outer walls of the tub body, and a locking lever connected between both ends of the body to lock the body to the tub body.

For the convenience of assembly, the first end of body is opened there is first mounting hole, and what correspond, the second end of body is opened there is the second mounting hole, the first end of locking lever is spacing in the first end outside of body, the second end of locking lever passes first mounting hole and second mounting hole and passes through the nut locking in the second end outside of body. The middle lower part of the two oppositely arranged side walls on the water tank body is provided with a sliding chute through which two ends of the water tank body can slide.

In order to facilitate installation, a second accommodating groove which is circumferentially arranged is formed in the inner wall surface of the lower portion of the water tank body, and the third metal reinforcing piece is arranged in the second accommodating groove. This structure is convenient for fix a position the installation to the third metal reinforcement.

Preferably, the third metal reinforcing part includes a first assembling ring, a second assembling ring and connecting arms, the first assembling ring is disposed near the upper edge of the second accommodating groove, the second assembling ring is disposed near the lower edge of the second accommodating groove, and the connecting arms are vertically connected between the first assembling ring and the second assembling ring at intervals. Or, the third metal reinforcing part is formed into an annular plate extending up and down in the second accommodating groove, the upper edge of the annular plate is in contact with the upper edge of the second accommodating groove, and the lower edge of the annular plate is in contact with the lower edge of the second accommodating groove. As a preferable structure of the third metal reinforcement, both of the above-described structures can fulfill two basic functions: firstly, the cleaning machine often needs hot water and cold water to alternately clean in the cleaning process, the deformation degree of the plastic tank body caused by the cold water and the hot water is different, when the hot water is adopted for cleaning, hot steam rises to be positioned at the upper part of the water tank body, and when the cold water is adopted for cleaning, the cold water is generally positioned at the bottom of the water tank body, so that the deformation of cold shrinkage at the bottom of the water tank body is the largest, and by adopting the third metal reinforcement structure, the lower part of the plastic water tank body can be supported, and the lower part of the water tank body is prevented from being deformed due to the cold shrinkage; second, can be provided with ultrasonic sound generating mechanism in the basin formula cleaning machine more, above-mentioned third metal reinforcement structure can produce the resonance effect with ultrasonic sound generating mechanism, reinforcing ultrasonic cleaning effect.

Preferably, the third metal reinforcing member is formed as an annular plate extending vertically in the second receiving groove, an upper edge of the annular plate is in contact with an upper edge of the second receiving groove, and a lower edge of the annular plate is in contact with a lower edge of the second receiving groove.

Preferably, the upper edge of the annular plate is bent into the second accommodating groove to form a fourth U-shaped structure with a downward opening, the outer side of the fourth U-shaped structure is in contact with the inner wall of the second accommodating groove, the lower edge of the annular plate is bent into the second accommodating groove to form a fifth U-shaped structure with an upward opening, the outer side of the fifth U-shaped structure is in contact with the inner wall of the second accommodating groove, and a third cavity is formed between the annular plate, the fourth U-shaped structure and the fifth U-shaped structure on the annular plate and the inner wall of the second accommodating groove. Because hot water can fall back to the lower part of basin body after the spray arm blowout to carry out the delay of certain time in basin body lower part, above-mentioned third cavity can improve the thermal insulation performance of basin body lower part on the one hand, practices thrift the energy consumption, and on the other hand also can play syllable-dividing effect to a certain extent.

Preferably, the inner wall surface of the annular plate is provided with a plurality of bulges arranged at intervals. The convex part and the annular plate are integrally formed, and the position of the outer wall surface of the annular plate, which corresponds to the convex part, is concave towards the direction of the washing cavity. Adopt above-mentioned structure, the intensity of basin body lower part can further be strengthened to the bulge, simultaneously, the bulge of interior protruding outer concave structure strengthens the elasticity of annular plate at to a great extent to form stronger resonance with the ultrasonic wave, further improve the cleaning performance.

Preferably, the lower part of the water tank body is arranged to protrude outwards corresponding to the peripheral wall of the second containing groove, so that the thickness of the lower part of the water tank body is consistent with that of the upper part of the water tank body. The structure can ensure that the water tank body has better firmness and stability.

Compared with the prior art, the invention has the advantages that: the water tank body is made of plastics, so that the water tank is high in plasticity, the depth of the tank body is conveniently deepened according to needs, and meanwhile, the production cost is greatly reduced; according to the invention, the first metal reinforcing part is arranged on the inner wall surface of the upper part of the water tank body, a large amount of steam is retained at the top of the washing cavity after hot water washing is finished, the first metal reinforcing part can accelerate steam condensation, meanwhile, the strength of the upper part of the plastic tank body is improved by the first metal reinforcing part, the upper part of the water tank body is prevented from being heated and deformed, in addition, the first metal reinforcing part can generate resonance with an ultrasonic sound generating device in a water tank washing machine, and the super-cleaning effect is improved; according to the invention, the third metal reinforcing part is arranged on the inner wall surface of the lower part of the water tank body, and on one hand, the third metal reinforcing part can prevent the water tank body from being heated or cooled to deform, and simultaneously can generate resonance with the ultrasonic sound generating device at the bottom of the water tank cleaning machine, so that the ultrasonic cleaning effect is improved.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a cross-sectional view of the upper portion of FIG. 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is an exploded view of FIG. 1 (hidden reinforcing bars);

FIG. 6 is a cross-sectional view of the lower portion of FIG. 1;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 is a sectional view of the lower part of embodiment 2 of the present invention;

fig. 9 is an enlarged schematic view of a portion C in fig. 8.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Example 1:

as shown in fig. 1 to 7, the cleaning machine of the present embodiment is a sink type cleaning machine, and includes a sink body 1 having a washing chamber 10, the sink body 1 is required to be mounted on a cabinet top 100 for use, and the cabinet top 100 is provided with a mounting opening 101 for mounting the sink body 1. The top of the tub body 1 has an opening 11 communicating with the washing chamber 10.

The bottom of the water tank body 1 of the embodiment is provided with a water pump 6 which can lift water from the bottom of the water tank body 1 and spray the water upwards through a spray arm 5. The bottom of the water tank body 1 is provided with an ultrasonic generating device 4, and the structure can effectively improve the cleaning effect.

In this embodiment, the open 11 of the sink body 1 is made of metal at least at the position contacting with the cabinet top 100, and the lower part of the sink body 1 is made of plastic. Considering that the bearing capacity of the plastic water tank body 1 is low, the periphery of the opening 11 of the water tank body 1 is provided with a metal assembly frame 2 for installation and bearing. The edge of the open mouth 11 extends outwards to form a shelf 12 capable of resting on the cabinet table 100, the metal assembly frame 2 is arranged around the periphery of the open mouth 11 of the sink body 1, the cross section of the metal assembly frame at least has a Z-shaped part, wherein the lower edge 21 of the Z shape lines under the shelf 12, the vertical edge 20 of the Z shape is arranged around the periphery of the shelf 12, and the upper edge 22 of the Z shape gradually extends outwards away from the shelf 12. The upper side 22 of the Z-shaped part of the metal assembly frame 2 has an outer vertical side 23 bent downward at the extending end, and the lowest end of the outer vertical side 23 is flush with the lower side 21 of the Z-shaped part. The structure can effectively improve the safety and the stability of installation.

In the present embodiment, the inner wall surface of the upper portion of the sink body 1 is provided with a first metal reinforcement 3' arranged along the circumferential direction of the sink body 1. In order to facilitate installation, a first accommodating groove 13 arranged along the circumferential direction is formed in the inner wall surface of the upper portion of the water tank body 1, the first metal reinforcing part 3 ' is arranged in the first accommodating groove 13, the inner wall of the first metal reinforcing part 3 ' is flush with the inner wall surface of the water tank body 1 after assembly, and the structure facilitates positioning and installation of the first metal reinforcing part 3 '. The outer peripheral wall of the water tank body 1 is provided with a reinforcing rib 7 in an area corresponding to the first receiving groove 13, and the reinforcing rib 7 has first reinforcing strips 71 arranged at intervals and extending up and down and second reinforcing strips 72 connected to the lower ends of the first reinforcing strips 71 along the circumferential direction. By adopting the structure, the rigidity of the upper part of the water tank body 1 can be improved, and the water tank body 1 and the first metal reinforcing piece 3' jointly act to avoid the deformation of the top of the water tank body 1 caused by high temperature.

Specifically, the first metal reinforcement 3' is shaped as an annular plate extending up and down in the first receiving groove 13, an upper edge of the annular plate being in contact with an upper edge of the first receiving groove 13, and a lower edge of the annular plate being in contact with a lower edge of the first receiving groove 13. The upper edge of the annular plate is bent towards the first accommodating groove 13 to form a first U-shaped structure 31 ' with a downward opening, the outer side of the first U-shaped structure 31 ' is in contact with the inner wall of the first accommodating groove 13, the lower edge of the annular plate is bent towards the first accommodating groove 13 to form a second U-shaped structure 32 ' with an upward opening, the outer side of the second U-shaped structure 32 ' is in contact with the inner wall of the first accommodating groove 13, and a first cavity 30 ' is formed between the annular plate and the first U-shaped structure 31 ' and the second U-shaped structure 32 ' on the annular plate as well as the inner wall of the first accommodating groove 13. A plurality of spaced and vertically extending flow guide strips 33 'are convexly arranged on the inner wall surface of the first metal reinforcing part 3'. The outer wall surface of the first metal reinforcing member 3 ' is recessed inward to form a recessed area 34 ' corresponding to the flow guide strip 33 '. The structure that the diversion strips 33' are internally convex and externally concave enhances the elasticity of the annular plate to a great extent, and when the ultrasonic cleaning device 4 is started, the cleaning machine forms stronger resonance with ultrasonic waves, so that the cleaning effect is improved. Because hot water is mainly sprayed to the inner wall of the middle upper part of the water tank body 1 after being sprayed out by the spray arm 5, and hot steam rises to the top of the water tank body 1, the first cavity 30' can improve the heat preservation performance of the lower part of the water tank body 1 on one hand, saves energy consumption, and on the other hand, can play a sound insulation effect to a certain extent.

In this embodiment, the second metal reinforcement 3 is further sleeved on the periphery of the middle lower portion of the water tank body 1. Specifically, the second metal reinforcing member 3 of the present embodiment includes a body 31 and a locking lever 32, the body 31 is formed in a U shape and is sleeved on the periphery of the middle lower portion of the sink body 1, two ends of the body 31 are extended out of the corresponding outer wall of the sink body 1, and the locking lever 32 is connected between the two ends of the body 31 so as to lock the body 31 on the sink body 1. For the convenience of assembly, a first mounting hole 311 is formed at a first end of the body 31, correspondingly, a second mounting hole 312 is formed at a second end of the body 31, a first end of the locking lever 32 is limited at the outer side of the first end of the body 31 by a limiting block 321, and a second end of the locking lever 32 passes through the first mounting hole 311 and the second mounting hole 312 and is locked at the outer side of the second end of the body 31 by a nut 322. The middle and lower parts of the two opposite side walls of the water tank body 1 are provided with chutes 13' through which the two ends of the body 31 can slide. When the water tank body 1 is made of plastics, the middle lower part of the water tank body 1 is a region which is in direct contact with the spraying arm 5 and has the most water outlet in consideration of the angle and the height of water sprayed by the spraying arm 5 in the cleaning process of the cleaning machine, so that the part is most easily deformed due to heating, the second metal reinforcing part 3 is surrounded outside the water tank body 1, and the deformation of the water tank body 1 due to heating can be effectively reduced; meanwhile, the water discharged from the spray arm 5 can generate larger noise when impacting the inner wall of the water tank body 1, and the second metal reinforcing part 3 can also play a role in reducing the noise; in addition, because the cleaning machine generally adopts the cold and hot water mode of wasing in turn, a large amount of steam can be detained in washing chamber 10 after the hot water washing finishes, and the plastics material is unfavorable for the steam condensation, and after adopting above-mentioned second metal reinforcement 3, is favorable to making high temperature steam rapid condensation, increases the drying rate in basin body 1, and is favorable to the cleaning process.

In the present embodiment, a third metal reinforcement 8 is provided on the inner wall surface of the lower portion of the sink body 1 so as to be arranged along the circumferential direction of the sink body 1. In order to facilitate installation, a second accommodating groove 14 arranged along the circumferential direction is formed in the inner wall surface of the lower portion of the sink body 1, the third metal reinforcing part 8 is arranged in the second accommodating groove 14, the inner wall of the third metal reinforcing part 8 is flush with the inner wall surface of the sink body 1 after assembly, and the structure facilitates positioning and installation of the third metal reinforcing part 8. The outer peripheral wall of the lower part of the sink body 1 corresponding to the second receiving groove 14 is arranged to protrude outwards, so that the thickness of the lower part of the sink body 1 is consistent with that of the upper part of the sink body 1, and the sink body 1 can be ensured to have better firmness and stability by the structure.

Specifically, the third metal reinforcing part 8 of the present embodiment includes a first assembling ring 81, a second assembling ring 82 and connecting arms 83, the first assembling ring 81 is disposed near the upper edge of the second receiving groove 14, the second assembling ring 82 is disposed near the lower edge of the second receiving groove 14, and the connecting arms 83 are vertically connected between the first assembling ring 81 and the second assembling ring 82 at intervals. This third metal reinforcement 8 can fulfill two basic functions: firstly, because the cleaning machine often needs hot water and cold water to alternately clean in the cleaning process, the deformation degree of the plastic tank body caused by the cold water and the hot water is different, when the hot water is adopted for cleaning, hot steam rises to be positioned at the upper part of the water tank body 1, and when the cold water is adopted for cleaning, the cold water is generally positioned at the bottom of the water tank body 1, therefore, the deformation of cold shrinkage at the bottom of the water tank body 1 is the largest, and by adopting the structure of the third metal reinforcing part 8, the lower part of the plastic water tank body 1 can be supported, and the lower part of the water tank body 1 is prevented from being deformed inwards due to the cold shrinkage; secondly, be provided with ultrasonic sound generating mechanism 4 in the basin formula cleaning machine, above-mentioned 8 structures of third metal reinforcement can produce the resonance effect with ultrasonic sound generating mechanism 4, reinforcing ultrasonic cleaning effect.

In the embodiment, the water tank body 1 is made of plastics, so that the plasticity is strong, the depth of the tank body can be conveniently increased as required, conditions are improved for further developing new functions and structures of the water tank type cleaning machine, and the production cost of the plastic tank body is greatly reduced compared with that of a stainless steel tank body; in the embodiment, the sink body 1 is arranged on the table top of the cabinet by adopting the metal assembling frame 2, so that the problem of small bearing force of the shelf 12 of the plastic sink body 1 is solved, and the stability of the installation of the sink body 1 is improved; in addition, in the embodiment, the first metal reinforcing part 3 'is arranged on the inner wall surface of the upper part of the water tank body 1, and on one hand, the first metal reinforcing part 3' can prevent the water tank body 1 from being deformed by heating and can generate resonance with the ultrasonic sound generating device 4 in the water tank cleaning machine, so that the ultrasonic cleaning effect is improved; in the embodiment, the second metal reinforcing part 3 is arranged on the periphery of the middle lower part of the water tank body 1, and on one hand, the second metal reinforcing part 3 can prevent the water tank body 1 from being heated or cooled and deformed, and simultaneously can reduce the noise generated by water flow impacting the inner wall of the water tank body 1, accelerate the condensation speed of high-temperature steam, accelerate the drying speed in the washing cavity 10 and improve the cleaning effect; this embodiment has set up third metal reinforcement 8 on the internal face of basin body 1 lower part, and this third metal reinforcement 8 can prevent on the one hand that basin body 1 from being heated or receiving cold deformation, and simultaneously, can also produce resonance with the ultrasonic sound generating device 4 of basin cleaning machine bottom, improves super cleaning performance.

Example 2:

this example differs from example 1 in that: the third metal reinforcement 8' is structurally different.

As shown in fig. 8 and 9, the third metal reinforcing member 8' of the present embodiment is shaped as an annular plate extending vertically in the second receiving groove 14, an upper edge of the annular plate contacts with an upper edge of the second receiving groove 14, and a lower edge of the annular plate contacts with a lower edge of the second receiving groove 14. The upper edge of the annular plate is bent towards the second receiving groove 14 to form a fourth U-shaped structure 81 ' with a downward opening, the outer side of the fourth U-shaped structure 81 ' is in contact with the inner wall of the second receiving groove 14, the lower edge of the annular plate is bent towards the second receiving groove 14 to form a fifth U-shaped structure 82 ' with an upward opening, the outer side of the fifth U-shaped structure 82 ' is in contact with the inner wall of the second receiving groove 14, and a third cavity 80 ' is formed between the annular plate, the fourth U-shaped structure 81 ' on the annular plate, the fifth U-shaped structure 82 ' on the annular plate and the inner wall of the second receiving groove 14.

The third metal reinforcement 8' in the present embodiment has the following functions in addition to the functions of the third metal reinforcement 8 in embodiment 1. Because hot water can fall back to the lower part of basin body 1 after 5 spouts of spray arm to carry out the detention of certain time in basin body 1 lower part, above-mentioned third cavity 80' can improve the thermal insulation performance of basin body 1 lower part on the one hand, practices thrift the energy consumption, and on the other hand also can play syllable-dividing effect to a certain extent.

The inner wall surface of the annular plate of the present embodiment is provided with a plurality of protrusions 83 ' arranged at intervals, the protrusions 83 ' are integrally formed with the annular plate, and the positions of the outer wall surface of the annular plate corresponding to the protrusions 83 ' are recessed toward the washing chamber 10. By adopting the structure, the protruding part 83 'can further enhance the strength of the lower part of the water tank body 1, and meanwhile, the protruding part 83' of the inner convex and outer concave structure enhances the elasticity of the annular plate to a great extent and forms stronger resonance with ultrasonic waves, thereby further improving the cleaning effect.

Claims (21)

1. A washing machine comprising a tank body (1) with a washing chamber (10), characterized in that: the water tank comprises a water tank body (1), and further comprises a first metal reinforcing piece (3 '), a second metal reinforcing piece (3) and a third metal reinforcing piece (8), wherein the first metal reinforcing piece (3') is arranged on the inner wall surface of the upper portion of the water tank body (1), the second metal reinforcing piece (3) is sleeved on the periphery of the water tank body (1), and the third metal reinforcing piece (8) is arranged on the inner wall surface of the lower portion of the water tank body (1).

2. The cleaning machine of claim 1, wherein: and a vertically extending flow guide strip (33 ') is convexly arranged on the inner wall surface of the first metal reinforcing piece (3').

3. The cleaning machine of claim 2, wherein: the inner wall surface of the upper part of the water tank body (1) is provided with a first containing groove (13) which is arranged along the circumferential direction, and the first metal reinforcing piece (3') is arranged in the first containing groove (13).

4. The cleaning machine of claim 3, wherein: the first metal reinforcement (3') is shaped as an annular plate extending vertically in the first accommodation groove (13), an upper edge of the annular plate being in contact with an upper edge of the first accommodation groove (13), and a lower edge of the annular plate being in contact with a lower edge of the first accommodation groove (13).

5. The cleaning machine of claim 4, wherein: the upper edge of the annular plate is bent towards the first accommodating groove (13) to form a first U-shaped structure (31 ') with an opening arranged downwards, the outer side of the first U-shaped structure (31 ') is contacted with the inner wall of the first accommodating groove (13), the lower edge of the annular plate is bent towards the first accommodating groove (13) to form a second U-shaped structure (32 ') with an opening arranged upwards, the outer side of the second U-shaped structure (32 ') is contacted with the inner wall of the first accommodating groove (13), and a first cavity (30 ') is formed between the annular plate and the inner walls of the first accommodating groove (13) and between the annular plate and the first U-shaped structure (31 ') and the second U-shaped structure (32 ') on the annular plate.

6. The cleaning machine of claim 5, wherein: the outer wall surface of the annular plate is inwards sunken at the position corresponding to the flow guide strip (33 ') to form a sunken area (34').

7. The cleaning machine of claim 3, wherein: and reinforcing ribs (7) are arranged on the peripheral wall of the water tank body (1) in the area corresponding to the first accommodating groove (13).

8. The cleaning machine of claim 1, wherein: the second metal reinforcing part (3) comprises a body (31) and a locking rod (32), the body (31) is formed into a U shape and is sleeved on the periphery of the water tank body (1), two ends of the body (31) are longer than corresponding outer walls of the water tank body (1), and the locking rod (32) is connected between two ends of the body (31) so as to lock the body (31) on the water tank body (1).

9. The cleaning machine of claim 8, wherein: the first end of body (31) is opened there is first mounting hole (311), and is corresponding, the second end of body (31) is opened there is second mounting hole (312), the first end of locking lever (32) is spacing in the first end outside of body (31), the second end of locking lever (32) passes first mounting hole (311) and second mounting hole (312) and passes through nut (322) and lock in the second end outside of body (31).

10. The cleaning machine of claim 8, wherein: the middle-lower part of two oppositely arranged side walls on the water tank body (1) is provided with a sliding groove (13') through which two ends of the water tank body (31) can slide.

11. The cleaning machine of claim 1, wherein: the inner wall surface of the lower part of the water tank body (1) is provided with a second accommodating groove (14) which is arranged along the circumferential direction, and the third metal reinforcing piece (8) is arranged in the second accommodating groove (14).

12. The cleaning machine of claim 11, wherein: the third metal reinforcing part (8) comprises a first assembling ring (81), a second assembling ring (82) and connecting arms (83), wherein the first assembling ring (81) is arranged close to the upper edge of the second accommodating groove (14), the second assembling ring (82) is arranged close to the lower edge of the second accommodating groove (14), and the connecting arms (83) are vertically connected between the first assembling ring (81) and the second assembling ring (82) at intervals.

13. The cleaning machine of claim 11, wherein: the third metal reinforcing member (8) is formed as an annular plate extending vertically in the second receiving groove (14), an upper edge of the annular plate is in contact with an upper edge of the second receiving groove (14), and a lower edge of the annular plate is in contact with a lower edge of the second receiving groove (14).

14. The cleaning machine of claim 13, wherein: the upper edge of the annular plate is bent towards the second accommodating groove (14) to form a fourth U-shaped structure (81 ') with an opening arranged downwards, the outer side of the fourth U-shaped structure (81 ') is in contact with the inner wall of the second accommodating groove (14), the lower edge of the annular plate is bent towards the second accommodating groove (14) to form a fifth U-shaped structure (82 ') with an opening arranged upwards, the outer side of the fifth U-shaped structure (82 ') is in contact with the inner wall of the second accommodating groove (14), and a third cavity (80 ') is formed between the annular plate, the fourth U-shaped structure (81 ') and the fifth U-shaped structure (82 ') on the annular plate and the inner wall of the second accommodating groove (14).

15. The cleaning machine of claim 14, wherein: a plurality of bulges (83') arranged at intervals are arranged on the inner wall surface of the annular plate.

16. The cleaning machine of claim 15, wherein: the bulge (83 ') is integrally formed with the annular plate, and the position of the outer wall surface of the annular plate, which corresponds to the bulge (83'), is concave towards the direction of the washing cavity (10).

17. The cleaning machine of any one of claims 1 to 16, wherein: the top of the water tank body (1) is provided with an opening (11) communicated with the washing cavity (10), the opening (11) of the water tank body (1) is made of metal at least at the position contacted with the mounting plane, and the water tank body (1) below the opening is made of plastic.

18. The cleaning machine of claim 17, wherein: the periphery of the opening (11) of the water tank body (1) is provided with a metal assembling frame (2) for installation and bearing.

19. The cleaning machine of claim 18, wherein: the edge of the open mouth (11) extends outwards to form a shelf (12) capable of resting on a mounting plane, the metal assembling frame (2) is arranged around the periphery of the open mouth (11) of the water tank body (1), the cross section of the metal assembling frame at least has a Z-shaped part, the lower edge (21) of the Z shape is lined below the shelf (12), the vertical edge (20) of the Z shape is arranged around the periphery of the shelf (12), and the upper edge (22) of the Z shape gradually extends outwards away from the shelf (12).

20. The cleaning machine of claim 19, wherein: the upper edge (22) of the Z-shaped part of the metal assembling frame (2) is provided with an outer vertical edge (23) which is bent downwards at the extending tail end, and the lowest end of the outer vertical edge (23) is flush with the lower edge (21) of the Z-shaped part.

21. The cleaning machine of any one of claims 1 to 16, wherein: the bottom of the water tank body (1) is provided with an ultrasonic wave generating device (4).

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