CN115486778A - Food residue crushing and separating system for dish washing machine - Google Patents

Description

A food residue crushing and separating system for a dishwasher

technical field

The invention belongs to the technical field of dishwashers, and in particular relates to a food residue crushing and separating system for dishwashers.

Background technique

Household dishwashers refer to a machine suitable for cleaning dishes, tableware and other household products used at home. Generally, they can be divided into nozzle-type dishwashers and impeller-type dishwashers according to the washing form; nozzle-type dishwashers Also known as a shower dishwasher, its structure can be divided into different structures such as up and down rotary nozzle type, lower nozzle type, lower nozzle reflection type, tower nozzle type, porous tube type, rain bullet type, and rotating cylinder type. The structure is slightly different, but their working characteristics are all the washing and showering method of spraying water, that is, using the pressure nozzle to spray the water column to different sides and azimuth angles to fully wash the utensils and utensils on the rack.

For example, the Chinese patent with the notification number CN107970003A discloses an easy-to-clean dishwasher, which includes an upwardly open tank, a panel for covering the tank, a cleaning component located in the tank, and a The joints of the wall, the water inlet assembly connected with the joints, the drainage assembly, and the cabinet body, the tank body is arranged on the upper part of the cabinet body; the cleaning assembly includes a water guide plate installed above the pump water area and used for washing The filter element for filtering water; the water guide plate is provided with a water hole; the filter element is a bottomless structure, which is installed under the water guide plate, the upper opening of the filter element communicates with the water hole, and the lower opening of the filter element is connected to a A scum breaker, the scum breaker is installed below the water pumping area; the washing water falling into the water guide plate drives food residues to flow into the filter element through the water hole for filtration, and then the food residues fall into the slag breaker, and the washing water It flows into the pump water area to realize the separation of slag and water.

However, the above-mentioned scheme has the following disadvantages: the above-mentioned prior art crushes and discharges the discharged residue through the rotation of the slag motor, but it is necessary to ensure the water tightness of the rotating part between the output shaft end of the slag motor and the separation cylinder. The use of the slag motor will undoubtedly increase the cost of the dishwasher, and the slag motor will generate noise on the body when it is working. If a silent motor is used, the cost will also increase; and there is no cleaning structure for the separation cylinder on the top of the motor. As a result, the separation cylinder tends to accumulate viscous dirt during long-term use. How to clean the inner surface of the separation cylinder while performing electroless and low-cost crushing of the residue flowing into the separation cylinder is a problem that needs to be solved at present.

To this end, we propose a food residue crushing and separation system for dishwashers to solve the problems mentioned in the background art above.

Contents of the invention

The object of the present invention is to provide a food residue crushing and separating system for a dishwasher, so as to solve the problems in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a food residue crushing and separation system for dishwashers, including a tank body for dishwashers, and the bottom end surface of the inner wall of the tank is respectively provided with a rotating spray arm and a drain port , the dishwasher tank body is provided with a water guide pipe that is detachably connected to the water inlet end of the rotating spray arm, and the water outlet side of the water outlet is connected to the waste water pipe, and the upper end surface of the water outlet is connected with a step internal thread notch, and the inside of the step The upper end surface of the stepped part of the threaded notch is fixedly provided with a flushing pipe connected with the water guide pipe, and the electric control valve body for opening and closing control is arranged on the flushing pipe, a filter cartridge is inserted in the drain outlet, and a filter cartridge is installed on the upper part of the filter cartridge. An annular water cavity connected to the water outlet end of the flushing pipe, and a cleaning water hole connected to the annular water cavity is circumferentially arranged on the inner ring wall of the filter cartridge;

The bottom end surface of the filter cartridge rotates vertically through the bearing hole and is provided with a crushing tool bar holder, the water outlet side of the water guide pipe is provided with a rotating paddle, and the bottom end of the rotating paddle is provided with a rotating rod, and the bottom end of the crushing tool bar frame and the A transmission assembly is arranged between the bottom ends of the rotating rods to crush the residue inside the filter cartridge.

Preferably, the upper and lower side walls of the filter cartridge are respectively provided with flanging rings and symmetrically arranged filter residue mesh ports, the annular water chamber is arranged on the flanging rings, and the bottom end of the annular water chamber is connected to There is a positioning water receiving notch, and the water outlet end of the flushing pipe is inserted in the positioning water receiving notch and communicates with the annular water cavity.

Preferably, the opening of the upper end of the filter cartridge is inserted with a fixed outer threaded ring cover threadedly connected with the stepped internal thread notch, and both sides of the upper end surface of the fixed outer threaded ring cover are provided with stepped holes, and the stepped holes are inserted with The return spring sleeve rod, the bottom end of the return spring sleeve rod is provided with a water push hemming block, the upper end of the reset spring sleeve rod on both sides is provided with a water sealing cover plate, and the electric control valve body is opened so that the water flow inside the aqueduct passes through the When the flushing pipe and the annular water cavity are discharged from the cleaning water hole, the water flow from the cleaning water hole located on both sides of the inner ring surface of the filter cartridge pushes the water to push the folded edge block to overcome the return spring and move down the sleeve rod, thereby driving the water sealing cover to move down The opening of the fixed outer screw ring cover is water-sealed. At this time, the water jetted from the cleaning water hole is sprayed into the inner surface of the filter cartridge and the outer surface of the crushing knife holder for cleaning.

Preferably, the transmission assembly includes a waterproof cover box arranged on the inner wall of the water outlet, the inside of the waterproof cover box is respectively provided with a driving gear and a driven gear meshing with each other, and the bottom end surface of the crushing tool holder is provided with a polygonal groove. The upper end surface of the driven gear is provided with a stepped pin that rotates through the bearing hole and penetrates through the top wall of the waterproof case, and the top of the stepped pin is anti-rotationally fitted and inserted into the polygonal groove.

Preferably, the bottom end of the rotating rod respectively passes through the bottom end surface of the water guide pipe and the top wall of the waterproof case through the bearing hole, and is fixedly connected with the driving gear.

Compared with prior art, the beneficial effect of the present invention is:

1. The water flowing through the water guide pipe will indirectly drive the crushing knife holder to rotate through the rotating paddle, rotating rod, driving gear and driven gear. The high-speed rotation of the crushing knife holder will crush the residue flowing into the end of the filter cartridge. The final fine residue will pass through the filter residue mesh port and be discharged from the waste water pipe end, realizing the functional characteristics of crushing the residue inside the filter cartridge under the condition of no electricity;

2. The opening of the electronically controlled valve body makes the flushing pipe in a conductive state, and then the pressurized water flowing through the aqueduct passes through the flushing pipe and the annular water cavity in turn to be discharged from the cleaning water hole end, and the water jetted from the cleaning water hole end will be Clean the dirt adhered to the inner wall of the filter cartridge and the outer surface of the crushing knife holder, and at the same time, the water flow from the cleaning water holes on both sides of the filter cartridge will push the water to push the folded block to overcome the return spring sleeve rod and move down, and the return spring sleeve will The downward movement of the rod makes the water sealing cover plate cover and seal the upper opening of the filter cartridge, and then when the cleaning water hole cleans the inside of the filter cartridge, the flushed waste water containing dirt will pass through the filter slag mesh port and be discharged into the waste water pipe end. Realize the function of cleaning the inner wall of the filter cartridge.

Description of drawings

Fig. 1 is a partial cross-sectional schematic diagram of the dishwasher tank area of the present invention;

Fig. 2 is a partially enlarged schematic diagram of the drain area of Fig. 1;

Fig. 3 is a schematic diagram of the state structure of the water sealing cover plate when the annular water cavity of Fig. 2 is discharged into the water flow;

Fig. 4 is the schematic diagram of half-section structure of filter cartridge of the present invention;

Fig. 5 is a schematic diagram of the cooperation structure of the rotating paddle, the rotating rod and the driving gear of the present invention.

In the figure: 1. tank body; 2. rotating spray arm; 3. drain outlet; 4. aqueduct; 5. waste water pipe; , filter cartridge; 10, annular water cavity; 11, cleaning water hole; 12, broken knife rod frame; 13, rotating paddle; 14, rotating rod; 18. Fixed outer screw ring cover; 19. Step hole; 20. Return spring sleeve rod; 21. Water pushing edge block; 22. Water sealing cover plate; 23. Waterproof cover box; 24. Driving gear; 25, driven gear; 26, multilateral groove; 27, step pin.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Referring to Figures 1-5, the present invention provides a technical solution:

Embodiment one:

A system for crushing and separating food residues for a dishwasher, comprising a tank body 1 for a dishwasher, the bottom end surface of the inner wall of the tank body 1 is respectively provided with a rotating spray arm 2 and a drain port 3, and the inside of the dishwasher tank body 1 There is a water guide pipe 4 detachably connected to the water inlet end of the rotating spray arm 2, the water guide pipe 4 is connected to the external tap water outlet, and the water guide pipe 4 is used to provide cleaning water for the dishwasher, and the water outlet side of the water outlet 3 is connected to the waste water. The pipe 5 is connected, the water outlet of the waste water pipe 5 is connected to the kitchen floor drain, and the upper surface of the drain port 3 is connected with a stepped internal thread notch 6, the maximum cross-sectional length of the drain port 3 is greater than the minimum cross-sectional length of the stepped internal thread notch 6, and the stepped internal thread groove The upper end surface of the stepped part of the mouth 6 is fixedly provided with a flushing pipe 7 connected with the water guide pipe 4, and the electric control valve body 8 for opening and closing control is arranged on the flushing pipe 7, and the electric control valve body 8 is an electric stop valve. The power end of the valve body 8 is connected to the external power supply of the dishwasher, and the control end of the electronically controlled valve body 8 is electrically connected to the built-in PLC controller of the dishwasher. The rotating spray arm 2 in the dishwasher cleans the residue on the rice bowl into the drain After the port 3 ends, when the water flow inside the water guide pipe 4, the electric control valve body 8 is adjusted to open for 10 seconds, and a filter cartridge 9 is inserted in the drain port 3, and the upper part of the filter cartridge 9 is provided with a flushing pipe 7 to discharge water. The end is connected to the annular water chamber 10, and the inner ring wall of the filter cartridge 9 is provided with a cleaning water hole 11 connected with the annular water chamber 10, and the water discharged through the flushing pipe 7 is finally discharged into the The inner wall of the filter cartridge 9 is cleaned of the adhered dirt. At the same time, an anti-slag net is embedded and fixed in the cleaning water hole 11, and the anti-slag net is used to prevent the residue inside the filter cartridge 9 from entering the annular water chamber 10 through the cleaning water hole 11. At the same time, the water is cleaned. The angle between the plane where the centerline of the hole 11 is located and the plane where the horizontal line is located is 70°, and the above-mentioned included angle can be adjusted adaptively according to the longitudinal length of the filter cartridge 9, so that the water discharged from the cleaning water hole 11 can be sprayed into the filter to the greatest extent. The inner surface of the cylinder 9, specifically, can be sprayed into the middle area of the upper surface of the filter cylinder 9;

The bottom end surface of the filter cartridge 9 rotates vertically through the bearing hole and is provided with a crushing knife rod frame 12. The crushing knife rod frame 12 is composed of a vertical rod and a crushing knife. When the crushing knife rotates, the residue inside the filter cartridge 9 can be broken. 4 Rotating paddles 13 are provided on the water outlet side, and a rotating rod 14 is provided at the bottom of the rotating blades 13, and a transmission assembly is provided between the bottom of the crushing knife holder 12 and the bottom of the rotating rod 14 to clean the residues inside the filter cartridge 9. For crushing, the rotating paddle 13 can be driven by the internal water flow of the aqueduct 4 to indirectly drive the crushing knife holder 12 to rotate through the transmission assembly.

Embodiment two:

On the basis of Embodiment 1, it is further explained that the filter cartridge 9 top and the lower side wall are respectively provided with flanging rings 15 and symmetrically arranged filter residue mesh openings 16, and the setting of the flanging rings 15 makes the filter cartridge 9 tops T Type structure, the annular water cavity 10 is set on the flanged ring part 15, the right side of the bottom end of the annular water cavity 10 is connected with a positioning water receiving notch 17, and the outlet end of the flushing pipe 7 is inserted into the positioning water receiving notch 17 and the annular water cavity 10 are connected, through the flushing pipe 7, it is convenient to discharge a controllable flow of water into the annular water cavity 10, which can be obtained by adaptively adjusting the opening and closing amount of the electronically controlled valve body 8.

Embodiment three:

On the basis of Embodiment 1, it is further illustrated that the opening of the upper end of the filter cartridge 9 is inserted with a fixed outer threaded ring cover 18 threadedly connected with the step internal thread notch 6, and the lower part of the fixed outer threaded ring cover 18 can carry out the filter cartridge 9 top. The limit is fixed, and both sides of the upper end surface of the fixed outer screw ring cover 18 are provided with step holes 19, and a return spring sleeve rod 20 is inserted into the step hole 19, and the bottom end of the return spring sleeve rod 20 is welded or clamped and fixed with water pushing Side piece 21, water pushes hem piece 21 to be L-shaped structure, and water pushes hem piece 21 to be positioned at filter cylinder 9 inner wall both sides corresponding clean water hole 11 inner side below setting, and the upper end of return spring sleeve bar 20 on both sides is provided with seal The water cover plate 22 and the water sealing cover plate 22 can shield and seal the upper opening of the fixed outer screw ring cover 18 after it moves down, and the electric control valve body 8 is opened so that the water flow inside the water guide pipe 4 passes through the flushing pipe 7 and the annular water chamber in turn. When 10 is discharged from the clean water hole 11, the water jetted from the clean water hole 11 located on both sides of the inner ring surface of the filter cartridge 9 pushes the water to push the hem block 21 to overcome the return spring sleeve rod 20 and move down, thereby driving the water sealing cover 22 down Move the opening of the fixed outer threaded ring cover 18 to perform water sealing treatment. At this time, the sprayed water flow from the cleaning water hole 11 is sprayed into the inner surface of the filter cartridge 9 and the outer surface of the broken knife holder 12 for cleaning, effectively avoiding the cleaning of the water hole. 11 When the sprayed water stream cleans the inner wall of the filter cartridge 9, the residue is washed out of the filter cartridge 9 opening.

Embodiment four:

On the basis of Embodiment 1, the transmission assembly is further described. The transmission assembly includes a waterproof cover box 23 arranged on the inner wall of the drain outlet 3, and the right side of the waterproof cover box 23 is embedded and fixed on the right side of the inner wall of the drain outlet 3. The waterproof cover box The driving gear 24 and the driven gear 25 which mesh with each other are respectively arranged inside the 23. The diameter of the driving gear 24 is larger than that of the driven gear 25. The bearing hole rotates through the step pin 27 on the top wall of the waterproof case 23. The step pin 27 is composed of a lower cylinder and an upper square column. When the driven gear 25 rotates, it drives the crushing knife rod frame 12 to rotate through the step pin 27; the bottom end of the rotating rod 14 passes through the bearing hole and runs through the bottom surface of the water guide pipe 4 and the top wall of the waterproof cover box 23 respectively and connects with the driving gear 24. Fixedly connected, the water flowing through the inside of the water guide pipe 4 flows through the rotating paddle 13 to drive the driving gear 24 on the rotating rod 14 to rotate.

The working principle is as follows: During the use of the dishwasher, the operator inserts the filter cartridge 9 into the end of the drain port 3, and makes the polygonal groove 26 on the bottom end surface of the crushing tool holder 12 on the filter cartridge 9 cooperate with the stepped pin 27 to fix it. , the positioning water receiving notch 17 located at the flange ring part 15 on the upper part of the filter cartridge 9 is connected with the water outlet end of the flushing pipe 7, and at the same time, the fixed outer threaded ring cover 18 is inserted into the opening of the upper end of the filter cartridge 9 and connected to the stepped internal thread notch 6 Cooperate with the connection and fix, adjust the opening gap of the electric control valve body 8 through the built-in PLC controller of the dishwasher, make it open for 10 seconds after the residue is washed into the filter cartridge 9 by rotating the spray arm 2, when in use, the aqueduct 4. Connect external tap water and spray it from the rotating spray arm 2 under the pressure of the built-in water pump to clean the dishes and chopsticks on the dishwasher. The washed residue will gather in the filter cartridge 9. During the above process Among them, the water flowing through the inside of the water guide pipe 4 will indirectly drive the crushing knife holder 12 to rotate through the rotating paddle 13, the rotating rod 14, the driving gear 24, and the driven gear 25, and the high-speed rotation of the crushing knife holder 12 will filter the inflow. The residue at the end of the filter cartridge 9 is crushed, and the fine residue after crushing will pass through the filter residue mesh port 16 and be discharged from the waste water pipe 5, realizing the function of crushing the residue inside the filter cartridge 9 in the state of no electricity;

After the rotating spray arm 2 cleans and collects the residue on the bowls and chopsticks in the filter cartridge 9, the built-in PLC controller of the dishwasher drives the electric control valve body 8 to open for 10 seconds, and the opening of the electric control valve body 8 makes the flushing pipe 7 It is a conduction state, and then the pressurized water flow flowing through the aqueduct 4 passes through the flushing pipe 7 and the annular water cavity 10 successively and is discharged from the cleaning water hole 11 end, and the water flow ejected from the cleaning water hole 11 end will meet the inner wall of the filter cartridge 9 and the The outer surface of the crushing knife holder 12 is cleaned of the adhered dirt, and the water flow from the cleaning water holes 11 on both sides of the inside of the filter cartridge 9 will push the water to push the edge piece 21 to overcome the return spring sleeve rod 20 and move down, and the return spring sleeve The downward movement of the rod 20 makes the water-sealing cover plate 22 cover and seal the upper opening of the filter cartridge 9, so that when the cleaning water hole 11 cleans the inside of the filter cartridge 9, the waste water containing dirt washed out will pass through the filter slag mesh port 16 to discharge into the waste water pipe 5, and the high-pressure clean water discharged through the clean water hole 11 prevents the clogging of the filter residue mesh port 16. After the flushing is completed, the electronically controlled valve body 8 is closed, and the reset spring sleeve rod 20 of the water sealing cover 22 acts Move up and down, so that the new waste water produced in the tank body 1 is discharged through the gap between the opening of the fixed outer screw ring cover 18 and the water sealing cover plate 22, so as to realize the function of cleaning the inner wall of the filter cartridge 9.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (5)

1. A food residue crushing and separating system for a dishwasher, comprising a tank body (1) for the dishwasher, the bottom end surface of the inner wall of the tank body (1) is respectively provided with a rotating spray arm (2) and a water outlet ( 3), the dishwasher tank (1) is provided with a water guide pipe (4) detachably connected to the water inlet end of the rotating spray arm (2), and the water outlet side of the water outlet (3) and the waste water pipe (5) The connection is characterized in that: the upper end surface of the drain port (3) is connected with a stepped internal thread notch (6), and the upper end surface of the stepped internal thread notch (6) is fixedly provided with a water guide pipe (4) to communicate with The flushing pipe (7), and the electric control valve body (8) used for opening and closing control is arranged on the flushing pipe (7), and a filter cartridge (9) is inserted in the drain outlet (3), and the filter cartridge (9 ) is provided with an annular water cavity (10) connected to the outlet end of the flushing pipe (7), and the inner ring wall of the filter cartridge (9) is provided with a clean water hole ( 11); The bottom end surface of the filter cartridge (9) is vertically rotated through a bearing hole and is provided with a broken knife rod frame (12), and the water outlet side of the water guide pipe (4) is provided with a rotating blade (13), and the rotating blade (13) ) bottom end is provided with a rotating rod (14), and a transmission assembly is arranged between the bottom end of the broken tool holder (12) and the bottom end of the rotating rod (14) to crush the residue inside the filter cartridge (9). 2. A food residue crushing and separating system for a dishwasher according to claim 1, characterized in that: the upper and lower side walls of the filter cartridge (9) are respectively provided with hemming rings (15) and the filter residue net mouth (16) arranged symmetrically, the annular water cavity (10) is arranged on the flanged ring portion (15), and the bottom end surface of the annular water cavity (10) is connected with a positioning water receiving groove (17) , the water outlet end of the flushing pipe (7) is inserted in the positioning water receiving notch (17) and communicated with the annular water cavity (10). 3. A food residue crushing and separating system for a dishwasher according to claim 1, characterized in that: the opening of the upper end of the filter cartridge (9) is inserted with a stepped internal thread notch (6) thread Cooperate with the fixed outer threaded ring cover (18) that is connected, and both sides of the upper end surface of the fixed outer threaded ring cover (18) are provided with step holes (19), and the step hole (19) is inserted with a reset spring sleeve rod (20), The bottom end of the return spring sleeve rod (20) is provided with a water push hem block (21), the upper end of the return spring sleeve rod (20) on both sides is provided with a water sealing cover plate (22), and the electric control valve body (8 ) is opened so that the internal water flow of the aqueduct (4) passes through the flushing pipe (7), the annular water chamber (10) and is discharged from the clean water hole (11) in turn, the clean water holes located on both sides of the inner ring surface of the filter cartridge (9) (11) The sprayed water flow pushes the water to push the hem piece (21) to overcome the return spring sleeve rod (20) and move down, and then drives the water sealing cover (22) to move down to water the opening of the fixed outer screw ring cover (18). Sealing process, this moment, clean water hole (11) ejection water flow is sprayed into filter cylinder (9) inner surface and crushing cutter bar holder (12) outer surface successively to clean. 4. A food residue crushing and separating system for a dishwasher according to claim 1, characterized in that: the transmission assembly includes a waterproof cover box (23) arranged on the inner wall of the drain port (3), The inside of the waterproof cover box (23) is respectively provided with a driving gear (24) and a driven gear (25) which are engaged with each other, and the bottom surface of the crushing tool holder (12) is provided with a polygonal groove (26), and the driven gear (25) the upper end face is provided with the step pin (27) that rotates through the waterproof cover box (23) top wall by the bearing hole, and the anti-rotation fit of the top of the step pin (27) is inserted in the polygonal groove (26). 5. A food residue crushing and separating system for a dishwasher according to claim 4, characterized in that: the bottom end of the rotating rod (14) penetrates through the bottom end surface of the water guide pipe (4) in turn through the bearing hole It is fixedly connected with the waterproof cover box (23) top wall and driving gear (24).

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