WO2005000078A1 - Device for cleaning and sterilizing fruit and vegetable - Google Patents

Abstract

The invention provides a device for washing and sterilizing the fruit and vegetable, the device comprises a housing, a upper cover, which is fastened in the top of the housing, and a partition in the housing cavity, by which the housing is divided into two cavitys. The washing cavity is placed in the upper housing, while the apparatus setting cavity is below. The washing basket is placed in the washing cavity, with a drain on the bottom of it, while the motor and the deceleration mechanism are placed in the apparatus setting cavity, the output shaft of the washing basket is joined to that of the deceleration mechanism. The device is charactered in that it is provided a intake vavle in the top cover, a drain valve and a motor in the apparatus setting cavity which is used to control the switch of the drain valve Said intake of the drain valve is connected to the drain, it can realize the automatic draining by the computer control, and realize the automatic washing the vegetable and fruit.

Description

 Automatic vegetable and fruit washer-disinfector

Technical field

 The invention relates to a household appliance, in particular to a vegetable and fruit washer-disinfector. Background technique

 People usually wash vegetables and fruits manually, especially in cold water in winter. Washing vegetables is a very difficult task, and the water flow generated by manual cleaning is limited. The sediment at the roots of vegetables is not easy to be cleaned, and it costs water. Laborious. The surface of existing vegetables and fruits often contains some residual pesticides. In order to remove pesticides on the surface of vegetables and fruits, people have invented a household appliance for surface disinfection of vegetables and fruits. This product consists of a barrel, an ozone generator, and an air pump. When in use, the barrel is filled with water, and vegetables and fruits are placed. The ozone generated by the ozone generator is passed into the water in the barrel through the air pump. Fruits are disinfected and pesticides are degraded. However, the appliance has a single function and can only be sterilized. It cannot clean the dust and impurities on the surface of vegetables and fruits, and it needs to be further cleaned manually. It has certain limitations and is difficult for consumers to accept. Therefore, people have invented a semi-automatic vegetable and fruit washing and disinfecting device, which can realize the cleaning and disinfection of fruits and vegetables. However, the invention still has some imperfections, and the following deficiencies remain after the summary: 1. It is a semi-automatic type. After each cleaning, it is necessary to manually take out the fruits and vegetables, and then manually drain and enter the water. Long, and people need to watch from time to time to see where the operation has reached in order to proceed to the next step, which does not fully show its superiority. 2. In addition, even if full automation can be achieved, the volume must not be too large, otherwise it is difficult to arrange and difficult to operate. How to realize the fully automatic function in a limited volume is also a very difficult design issue. 3. When the washing basket is rotated, only the upper or lower point is positioned, which often offsets the washing basket to one side, which increases the wear of components and increases noise. 4. The bottom of the washing basket is closed. The water flow formed only by the long holes in the basket is relatively single, the washing effect is still insufficient, and the bottom of the washing basket cannot be washed out from the long holes on the side. It is troublesome to wash the bottom surface of the washing basket. Therefore, people have been looking forward to the creation of a full-featured fully automatic vegetable and fruit cleaning and disinfection device as soon as possible.

Summary of the invention

 The invention aims to solve the technical problems of cleaning troubles existing in the existing semi-automatic vegetable and fruit washer-disinfectors, as well as realizing full automation in a limited volume.

In order to achieve the purpose of solving the above technical problems, the technical solution of the present invention is: The movable vegetable and fruit washing and sterilizing device includes a box body and an upper cover fastened on the top of the box body. The inner wall of the box body has a partition. The partition wall divides the inner body box into two upper and lower chambers, a washing chamber and a lower device mounting chamber. The washing chamber is above; the lower device mounting chamber is below; a washing basket is provided in the washing chamber; a drain is provided on the bottom surface of the washing chamber; a motor and a reduction mechanism are installed in the lower device installation chamber; the washing basket is connected to the output shaft of the reduction mechanism; It is characterized in that: the upper cover is provided with a wide water inlet, and a water level switch for controlling the water inlet valve is installed in the device installation cavity, and a drainage valve assembly and a drainage motor for controlling the drainage valve switch are also installed in the lower device installation cavity. The water inlet pipe of the drainage valve assembly is in communication with the drainage outlet. Equipped with inlet and drain valves, controlled by computer program, automatic inlet and drainage, so that fruits and vegetables can be cleaned fully automatically, without the need for human operation, which truly saves time and effort.

 In addition, in a further detailed structure of the present invention, the upper cover is an upper cover with a certain depth, an inner cover is provided on a bottom surface thereof, and a cavity in the inner cover constitutes an upper device mounting cavity. The above technical solution is to make full use of the limited space. In this way, components such as a wide water inlet, a water inlet pressure switch, or an ozone generator can be installed in the cavity, so that the entire cleaner has a compact structure and is convenient for placement and operation.

 In addition, in a further detailed structure of the present invention, an upwardly extending duct is provided at the center of the bottom of the washing basket, and the lower part of the duct is fitted with the washing shaft. The inner lid center is provided with an upper center positioning shaft sleeve. After the upper cover is fastened, the upper center positioning The shaft sleeve is inserted in the catheter. Fruits and vegetables placed in the washing basket may be skewed due to the asymmetrical placement (for example, if the vegetables are placed on one side), and the washing basket may be skewed during the rotation process. Therefore, the above technical solution can be used to effectively position the pipe up and down, so that the duct is the washing basket. Guidance, no noise, and correspondingly improved reliability and service life.

 In addition, in a further detailed structure of the present invention, the drain valve assembly includes a valve body, and a valve plug, a valve stem, and a valve spring are arranged in the valve body, and the outlet of the drain valve is in communication with the drain pipe. The drainage valve is controlled by the drainage motor, which can automatically control the drainage, which is reliable and practical.

 In addition, in a further detailed structure of the present invention, the water inlet switch is a water inlet pressure switch, an air chamber is attached to the box, the air chamber is in communication with the washing chamber, and a pressure guiding pipe provided with the water level pressure switch is connected with the air. Room connected. The water level pressure switch is used to control the inlet water level, and the inlet water level is sensed and controlled by the pressure of the air chamber connected to it, which has high accuracy.

In addition, in a further detailed structure of the present invention, the water inlet switch is a water inlet pressure switch, and a pressure guiding tube provided in the water inlet pressure switch is in communication with the air chamber, and the air chamber is a closed cavity. It communicates with the water inlet of the valve body of the drain valve. In this solution, a water inlet switch and the like are installed in the lower device installation cavity, and the air chamber is in communication with the water inlet of the valve body of the drain valve, which can also accurately sense the water inlet pressure. When the set water level is reached, it is switched off. The above solution has the advantages that the weight of the upper cover is correspondingly reduced, and the upper cover of the switch is lightweight.

 In addition, in a further detailed structure of the present invention, an ozone generator is also provided in the upper device installation cavity or the lower device installation cavity. When the ozone generator is installed in the upper device installation cavity, the output air duct communicates with the hollow center position. The shaft sleeve and the inner cavity of the catheter. The lower part of the catheter is provided with an air outlet that communicates with the washing basket. When the ozone generator is installed in the lower device installation cavity, its output air pipe is in communication with the washing cavity. Not only can ozone be sterilized, but more importantly, a large amount of bubbles are generated by inflating it into the washing chamber, so that air bubbles can be impacted on fruits and vegetables, which is conducive to removing the sediment and improving the washing effect.

 In addition, in a further detailed structure of the present invention, the washing basket body is provided with elongated holes, and a bottom hole of the washing basket is arranged on the bottom surface. In this way, a composite penetrating water flow can be formed between the outer and inner peripheries and the bottom of the basket, which is very conducive to washing the sediment on fruits and vegetables without leaving dead ends.

 In addition, in a further detailed structure of the present invention, the reduction mechanism is a pulley, the terminal pulley is installed with a washing shaft, a shaft sleeve assembly is installed in the middle of the lower device installation cavity partition, and the shaft sleeve is fixed by a sleeve nut. A skeleton oil seal is installed between the shaft sleeve and the upper part of the washing shaft, and the shaft head of the part where the upper part of the washing shaft is fitted with the washing basket is a square shaft or a spline shaft. The above structure not only solves the problems of preventing water leakage and oil, but also the square shaft or spline shaft structure can make the washing basket easy to disassemble.

 In addition, in a further detailed structure of the present invention, a drainage pump is also provided in the lower device mounting cavity. In this way, the drainage pump can suction, so that the washing chamber forms a reciprocating water flow up and down, so that the washing effect is better.

 Compared with the prior art, the present invention has the following advantages and positive effects: 1. The automatic inlet and drainage mechanisms are added to realize full-automatic control, and the user does not need to manually enter and discharge water, which brings convenience to the user. 2. Equipped with proper speed, it can produce proper penetrating water flow, which has a good impact on the sediments of fruits and vegetables. The sediments fall off completely and the washing effect is better than manual washing.

BRIEF DESCRIPTION OF THE DRAWINGS

 The present invention is described in detail below with reference to the drawings and embodiments.

 FIG. 1 is a front sectional view of an embodiment of the present invention;

 Figure 2 is a bottom view of Figure 1 with the base removed;

 3 is a front sectional view of a second embodiment of the present invention;

 Figure 4 is a bottom view of Figure 3 with the base removed;

 Fig. 5 is a working principle diagram of a drainage pump equipped with the present invention.

1. Water inlet valve; 2. Top cover; 3. Water level pressure switch; 4. Pressure guiding tube; 5. Sealing strip; 6, inner cover; 7, washing basket; 8, cabinet; 9, 9A, air chamber; 10, air chamber cover; 11, drainage Gang assembly; 1 1-1, valve body; 11-2, valve plug; 1 1-3, valve stem; 11-4, valve spring; 12, drain pipe; 13, base; 14, belt; 15, pulley; 16, washing shaft; 17, shaft sleeve assembly; 17-1, oil bearing A, 17-2, oil bearing B; 17-3, skeleton oil seal; 18, shaft sleeve nut; 19, upper center positioning shaft sleeve; 20, partition plate; 21, ozone drive module; 22, ozone tube; 23, Ventilation pipe A; 24. Air pump; 25. Ventilation pipe B; 26. Decorative cover; 27. Motor; 28. Drain motor; 29. Computer control board; 30. Drain pump; 30-1. Drain pump inlet; 30- 2. Drain pump outlet; 30-3. Centrifugal impeller; 30-4. Volute; 30-5. Upper circulating water pipe; 31. Sealing isolation valve; 32. Air outlet; 33. Open button; 34. Handle; 35. Bottom hole of washing basket; 36. Washing cavity; 37. Lower device installation cavity; 38. Drain outlet; 39; Upper device installation cavity; 40; Conduit; 41. Fine Article apertures; 42, an automatic cleaning and disinfecting fruits and vegetables.

detailed description

 Embodiment 1: Referring to FIG. 1 and FIG. 2, the present invention uses a mark 42 to represent a total of automatic vegetable and fruit washing and disinfecting devices. The entire washer-disinfector 42 looks like an electric rice cooker. The cabinet 8 is divided into two upper and lower chambers by a partition plate 20, the washing chamber 36 and the lower device mounting chamber 37, and the washing chamber 36 is above the lower device mounting chamber. 37 is below, a washing basket 7 is provided in the washing cavity 36, and the body of the washing basket 7 is provided with slender holes 41, the hole shape of the slender holes 41 is continuous, and the bottom holes of the washing basket are arranged at 35, The corresponding parts of the box 8 and the washing basket 7 are made of transparent material, so that the user can view the washing state without opening the upper cover 2. A drainage opening 38 is provided on the bottom surface of the washing chamber 36.

 In order to make full use of the space to match the corresponding devices, the upper cover 2 is made into an upper cover 2 with a certain depth, and an inner cover 6 is provided on the bottom surface thereof, so that an upper device mounting cavity 39 is formed. The water inlet valve 1 and the water level pressure switch 3 are installed in the upper device installation cavity 39. The water level switch 3 is a water level pressure switch. An air chamber 9 is attached to the box 8, and the air chamber 9 is a box-shaped decorative cover. 26 is mounted on the outside of the casing 8 to form an air chamber 9, the air chamber 9 is in communication with the washing chamber 36, and a pressure guiding tube 4 provided in the water level pressure switch 3 is in communication with the air chamber 9. After entering the water, the pressure generated by the rising water level is from the air chamber 9 → the pressure guiding tube 4 → the water level switch 3, so that the set pressure switch 3 reaches its set value, and the water inlet valve 1 is closed.

The bottom of the washing basket 7 is provided with an upwardly extending hollow duct 40. The duct 40 is integrated with the washing basket 7. The lower part of the duct 40 is a square hole to fit with the square shaft at the shaft end of the washing shaft 16. The center of the inner cover 6 is provided with Upper center positioning sleeve 19, after the upper cover 2 is fastened, the upper center positioning sleeve 19 is inserted into the catheter 40. In this way, the washing basket 7 can be centered up and down to prevent it from shifting during rotation. A power transmission mechanism such as a motor 27 and a reduction mechanism 15 is installed in the lower device mounting cavity 37. The speed reduction mechanism is a pulley 15, the terminal pulley 15 is provided with a washing shaft 16, and a shaft sleeve assembly 17 is installed in the middle of the bottom plate of the lower device installation cavity 37. The shaft sleeve 17 is fixed on the partition plate 20 through a shaft sleeve nut 18, and a skeleton oil seal 17-3 is installed between the shaft sleeve 17 and the upper part of the washing shaft 16. The shaft head of the upper part of the washing shaft 16 and the washing basket 7 is Square shaft.

 A drain valve assembly 11 and a drain motor 28 that controls the opening and closing of the drain valve are also installed in the lower device mounting cavity 37. The water inlet pipe of the drain valve assembly 11 is in communication with the drain port 38. The drain valve assembly 11 includes a valve body 11-1, and a valve plug 11-2, a valve stem 11-3, and a valve spring 11-4 are arranged in the valve body 11-1. The outlet of the drain valve 11 communicates with the drain pipe 12. When the washing program ends, the computer control board 29 sends a signal to make the drainage motor 28 act, pull the valve plug 11-2 to open, so that the water and sediment in the washing chamber 36 can be discharged from the drainage opening 38 → the drainage valve 11 → the drainage pipe 12 .

 An ozone generator is also installed in the lower device mounting cavity 37. The ozone generator is composed of an ozone driving module 21, an ozone tube 22, an air tube A23, an air pump 24, and an air tube B25. The output air tube B25 passes through the air holes in the partition plate 20 and communicates with it. The washing chamber 36 is communicated.

 Referring to FIG. 5, a drain pump 30 may be provided in the lower device mounting cavity 37 according to need. In this way, the drain pump 30 can be sucked to form an internal circulation of the washing water, thereby improving the washing effect.

 When washing fruits and vegetables, put the fruits and vegetables into the washing basket 7 and fasten the upper cover 2. The water inlet pipe is installed on the water inlet valve 1. Start the computer control board 29. Water inlet → set water level → wash basket 7 rotate and wash → drain → Spin-drying → Water inlet → Set water level → Washing basket 7 rotates to wash → Drain → Spin-dry → Finish. The sediment washed in the above-mentioned cycle → drainage port 38 → drainage valve 11 → drainage pipe 12 is discharged along with drainage. After completion, the washing basket 7 can be taken out with the fruits and vegetables by grasping the duct 40, and the empty washing basket 7 can be inserted into the washing shaft 16 after use. The computer program can set multiple programs so that the user can choose according to the washing object.

Embodiment 2 is different from the above example in that the ozone generator is installed in the upper device mounting cavity 39, and the output vent tube B25 communicates with the hollow central positioning sleeve 19 and the inner cavity of the duct 40. The lower part of the duct 40 is provided with washing The air outlet 32 communicating with the basket 7; and the water level switch 3 and the like are installed in the lower device mounting cavity 37, and the pressure guiding tube 4 provided in the water level pressure switch 3 communicates with the air chamber 9A, which is a closed cylindrical shape Of course, other shapes are also possible, and the air inlet 9A communicates with the water inlet pipe of the interbody 11-1 of the drain valve. In this way, the water inlet pressure can also be measured to indicate that the water level pressure switch 3 is operating. The ozone gas generated by the ozone generator → ventilation tube 825 → conduit 40 → exhaust hole 32 → washing cavity 36. It not only generates bubble impact, improves the washing effect, but also doubles as sterilization.

 A sealed isolation valve 31 is installed in the duct 40. The valve is a rubber sleeve, and its function is to prevent the ozone gas output from the vent pipe B25 from leaking to the upper part.

 In addition, it should be noted that the present invention is not limited to the above examples, and within the essential scope of the present invention, there are many changes, additions, replacements, or modifications, which also belong to the protection scope of the present invention.

Claims

Request for Rights  1. A full-automatic vegetable and fruit washer-disinfector, which includes a box body (8) and an upper cover (2) fastened to the top of the box body (8), and a partition (20) is provided in the inner cavity of the box body (8). The partition (20) divides the inner cavity of the box (8) into two upper and lower chambers, the washing chamber (36) and the lower device mounting chamber (37), and the washing chamber (36) is on the upper side; the lower device mounting chamber (37) Below, a washing basket (7) is provided in the washing chamber (36), a drainage port (38) is provided on the bottom surface of the washing chamber (36), and a motor (27) and a reduction mechanism (15) are installed in the lower device mounting chamber (37). The washing basket (7) is connected to the output shaft of the reduction mechanism (15), and is characterized in that: a water inlet valve (1) is provided in the upper cover (2), and a control water inlet valve (1) is installed in the device installation chamber The water level switch (3) and the lower device mounting cavity (37) are also equipped with a drain valve assembly (11) and a drain motor (28) that controls the switch of the drain valve (11). The above drain valve assembly The water inlet pipe of (11) communicates with the water outlet (38).  2. A full-automatic vegetable and fruit washer-disinfector according to claim 1, characterized in that: the upper cover (2) is an upper cover (2) having a certain depth, and an inner cover (6) is provided on a bottom surface thereof. ), The cavity in the inner cover (6) constitutes the upper device mounting cavity (39).  3. A full-automatic vegetable and fruit washer-disinfector according to claim 2, characterized in that: the center of the bottom of the washing basket (7) is provided with an upwardly extending duct (40), the lower part of the duct (40) and the washing shaft (16) ) Set, the inner cover (6) is provided with an upper center positioning sleeve (19) at the center. After the upper cover (2) is fastened, the upper center positioning sleeve (19) is inserted into the catheter (40).  4. A fully automatic vegetable and fruit washer-disinfector according to claim 3, characterized in that: the drain valve assembly (11) comprises a wide body (11-1), and a valve is provided in the valve body (11-1) The plug (11-2), the valve stem (11-3) and the valve spring (11-4), and the outlet of the drain valve (11) communicate with the drain pipe (12).  5. A full-automatic vegetable and fruit washer-disinfector according to claim 4, characterized in that the water level switch (3) is a water level pressure switch, and an air chamber (9) is attached to the box (8) The air chamber (9) is in communication with the washing chamber (36), and the pressure guiding pipe (4) provided in the water level pressure switch (3) is in communication with the air chamber (9). 6. A full-automatic vegetable and fruit washer-disinfector according to claim 4 or 5, characterized in that: the water level switch (3) is a water level pressure switch, and a pressure guiding tube provided in the water level pressure switch (3) (4) It is in communication with the air chamber (9A), which is a closed cavity, and the air chamber (9A) is in communication with the water inlet of the valve body (11-1) of the drain valve. 7. An automatic vegetable and fruit washing and disinfecting device according to claim 4 or 5, characterized in that: an ozone generator is further provided in the upper device mounting cavity (39) or the lower device mounting cavity (37), and when ozone When the generator is installed in the upper device installation cavity (39), its output vent tube B (25) communicates with the hollow central positioning sleeve (19) and the inner cavity of the catheter (40). The lower part of the catheter (40) is provided with a washing basket. (7) Connected air outlet (32); when the ozone generator is installed in the lower device mounting cavity (37), the output vent pipe B (25) communicates with the washing chamber (36).  8. A full-automatic vegetable and fruit washer-disinfector according to claim 2, characterized in that: the washing basket (7) is provided with an elongated hole (41) in the body, and a bottom of the washing basket is provided with the washing basket bottom Holes (35).  9. A full-automatic vegetable and fruit washer-disinfector according to claim 8, characterized in that: the speed reducing mechanism is a pulley (15), and the terminal pulley (15) is equipped with a washing shaft (16), a sleeve assembly (17) is installed in the middle of the lower device mounting cavity (37), a partition plate (20), the sleeve (17) is fixed by a sleeve nut (16), the sleeve (17) and the washing shaft (16) A skeleton oil seal (17-3) is installed between the upper parts, and the shaft head of the upper part of the washing shaft (16) and the washing basket (7) is a square shaft or a spline shaft.  10. A full-automatic vegetable and fruit washer-disinfector according to claim 5 or 6, characterized in that: a drainage pump (30) is further provided in the lower device mounting cavity (37).