阅读说明：本技术 一种洗米装置 (Rice washing device ) 是由 郑芝云 胡玉新 孔进喜 李锦彬 陈崇得 李佳宏 于 2019-11-08 设计创作，主要内容包括：本发明提供的一种洗米装置,包括：干洗装置,适于通过气流将干米中的杂质分离并清除；水洗装置,与所述干洗机构连接,适于清洗分离杂质后的所述干米。通过将干洗和水洗结合的方式,先将干米中的尘土和泥沙除去,后转移至水洗装置中进行,将干米表面粘附的不易除去的灰尘用水冲刷干净,干洗和水洗的双重清洗保证了米的清洁程度,此外,在水洗前先利用气流除去较大颗粒的杂质除去,留下较为洁净的干米进入水洗,减小了将米洗净前的水洗次数和程度,降低水洗时间长造成水溶性营养物质的流失程度,使用户吃到干净且高营养的米。(The invention provides a rice washing device, which comprises: dry cleaning means adapted to separate and remove foreign substances from the dried rice by means of an air flow; and the water washing device is connected with the dry cleaning mechanism and is suitable for washing the dry rice after the impurities are separated. Through the mode that combines dry cleaning and washing, will detach dust and silt in the dry rice earlier, the back shifts to going on in the washing device, the dust that is difficult for detaching of dry rice surface adhesion washes away totally with the water, the dual cleaning of dry cleaning and washing has guaranteed the clean degree of rice, in addition, utilize the air current to detach the impurity of great granule earlier and detach before the washing, leave comparatively clean dry rice and get into the washing, washing number of times and degree before having reduced the rice washing, reduce the long loss degree that causes water-soluble nutrient substance of washing time, make the user eat clean and high nutritive rice.)

1. A rice washing device, comprising:

dry cleaning means adapted to separate and remove foreign substances from the dried rice by means of an air flow;

and the water washing device is connected with the dry cleaning mechanism and is suitable for washing the dry rice after the impurities are separated.

2. The rice washing apparatus as claimed in claim 1, wherein the dry cleaning apparatus comprises:

the rice feeding device comprises a shell (3), wherein a rice inlet (31) and a first rice outlet (32) are formed in the shell (3), and the rice feeding device also comprises a conveying mechanism which is arranged in the shell (3) and is suitable for pushing dry rice at the rice inlet (31) to the first rice outlet (32);

-drive means (5) adapted to drive said transfer mechanism;

the air inlet duct (11) is connected with the shell (3) and the fan (1).

3. Rice washing device according to claim 2, characterized in that the conveying means is a screw mechanism (4).

4. Rice washing device according to claim 3, characterized in that the housing (3) is provided with a ventilation hole (33).

5. Rice washing device according to claim 4, characterized in that a filter screen (34) is arranged on the inner wall of the housing (3), the filter screen (34) having a largest dimension smaller than the smallest dimension of the rice.

6. The rice washing apparatus of claim 5, further comprising:

the rice stacking box (36) is connected to the shell (3) and is connected with the first rice outlet (32), and a second rice outlet (363) is formed in the rice stacking box (36);

the pressing plate (35) is connected to one side, far away from the rice inlet (31), of the rice stacking box (36) and provided with a groove facing away from the screw mechanism (4) in a concave mode, and the groove and the rice stacking box (36) form an accommodating space.

7. Rice washing device according to claim 6, characterized in that the second outlet (363) is arranged below the accommodation space with an axis being mutually perpendicular to the axis of the first outlet (32).

8. The rice washing apparatus of claim 7, further comprising: and one end of the air outlet channel (12) is arranged on the second rice outlet (363), and the other end of the air outlet channel is arranged on the fan (1).

9. Rice washing device according to claim 8, characterized in that a spoiler (351) is arranged in the receiving space and is inclined away from the outlet channel (12).

10. A rice washing device according to claim 9, characterized in that the inner wall of the rice stacking box (36) is provided with a positioning structure (361) connected with one end of the screw mechanism (4).

11. Rice washing device according to claim 10, characterized in that said positioning structure (361) is sleeved with an annular back pressure elastic seal (362).

12. Rice washing apparatus according to any one of claims 4-11, characterized in that said screw mechanism (4) comprises:

the rice measuring section (41) is arranged on one side, close to the rice inlet (31), of the screw mechanism (4), and the screw pitches of adjacent threads of the screw mechanism (4) on the rice measuring section (41) are uniform and equal.

13. Rice washing apparatus according to claim 12, characterized in that said screw mechanism (4) further comprises:

the rice washing section (42) is arranged in the middle of the screw mechanism (4) and corresponds to the vent hole (33), and the tooth-shaped height of the rice washing section (42) is lower than that of the rice measuring section (41);

and the rice stacking section (43) is arranged on one side, close to the rice outlet, of the screw mechanism (4).

14. A rice washing device according to claim 13, characterized in that the thread on the rice washing section (42) is flat and provided with bristles.

15. Rice washing device according to claim 14, characterized in that the thread ridge on the rice washing section (42) is arranged with a unidirectional inclination.

16. Rice washing device according to claim 12, characterized in that said driving means (5) are arranged outside said housing (3) near said rice inlet (31) and are fixedly connected to said rice metering section (41).

17. Rice washing device according to claim 8, characterized in that the air inlet duct (11) and the air outlet duct (12) are connected to the same motor of the fan (1).

18. Rice washing device according to claim 17, characterized in that a dust collecting device (2) is arranged between the air inlet duct (11) and the motor.

19. A rice washing device according to claim 2, characterized in that the rice inlet (31) is arranged at the top of the housing (3) near one side end and is fixedly connected with the rice storage bin (6).

20. Rice washing device according to claim 13, characterized in that an air inlet (37) is provided in the housing (3) at a position corresponding to the stacking section (43), said air inlet (37) being the connection of the air inlet duct (11) and the housing (3).

21. A rice washing apparatus according to claim 1, characterized in that the water washing apparatus comprises:

the rice washing bin body (7) is provided with a rice washing cavity (71), an installation cavity (72) and a rice discharging opening, and the rice discharging opening is communicated with the rice washing cavity (71);

the rice discharging cover (8) is arranged at the rice discharging opening;

the first driving piece (9) is fixed on the outer wall of the rice washing bin body (7);

the upper portion of the first transmission structure is located in the installation cavity (72) and connected with the first driving piece (9), the lower portion of the first transmission structure is connected with the lower rice cover (8), and the first driving piece (9) drives the lower rice cover (8) to open or close the lower rice opening.

22. Rice washing apparatus according to claim 21, characterized in that part of said installation chamber (72) is located in said rice washing chamber (71).

23. A rice washing device according to claim 22, characterized in that the first transmission structure comprises a rotating rod (91) and a lifting rod (92), the rotating rod (91) and the lifting rod (92) are in threaded connection, the upper end of the rotating rod (91) is fixed on the output shaft of the first driving member (9), the lower end of the rotating rod (91) is in threaded connection with the upper end of the lifting rod (92), the rotating rod (91) is located in the mounting cavity (72), and the lower end of the lifting rod (92) is fixed on the lower rice cover (8).

24. Rice washing apparatus according to claim 23, characterized in that the lower end of the lifting rod (92) protrudes from the mounting chamber (72).

25. A rice washing device according to any one of claims 23-24, characterized in that the rice washing bin body (7) comprises a top wall (711) and a circumferential wall (712) arranged on the top wall (711), the top wall (711) and the circumferential wall (712) enclose the rice washing cavity (71), the lower end of the circumferential wall (712) forms the lower rice mouth, the inner side of the top wall (711) is provided with a downwardly extending mounting body (713), and the mounting cavity (72) is formed on the top wall (711) and the mounting body (713).

26. A rice washing device according to claim 21, characterized in that it further comprises a stirring member (100) and a second driving member (101), said stirring member (100) being arranged inside said rice washing chamber (71), said second driving member (101) being fixed to said rice washing compartment (7) and driving said stirring member (100) in rotation.

27. Rice washing device according to claim 26, further comprising a second transmission structure arranged inside said rice washing chamber (71), said second driving member (101) being connected to said stirring member (100) through said second transmission structure.

28. A rice washing device according to claim 27, characterized in that it further comprises a sprinkler (104), said sprinkler (104) being fixed in said rice washing chamber (71) and having a water sprinkling opening, said sprinkler (104) and said rice washing bin body (7) enclosing a sprinkler chamber and a fixed chamber, said rice washing bin body (7) further having a water inlet communicating with said sprinkler chamber, said second transmission structure being fixed in said fixed chamber.

29. Rice washing device according to claim 28, characterized in that said sprinkler (104) is a sprinkler disc screwed to the inner wall of said rice washing bin body (7).

30. Rice washing device according to claim 27, characterized in that said second transmission comprises a driving gear (102) and a driven gear (103) engaging with each other, said driving gear (102) being connected to an output shaft of said second driving member (101), said driven gear (103) being connected to said stirring member (100).

Technical Field

The invention relates to the technical field of household appliances, in particular to a rice washing device.

Background

At present, an electric cooker is widely favored by consumers as a common electric appliance for cooking, but the electric cooker in the market is lack of an automatic rice washing function, rice washing before cooking is usually completed manually, and the experience of the users is greatly reduced.

The intelligent rice cooker can realize automatic rice washing, and is an intelligent trend. The existing rice cooker for automatically washing rice adopts a water washing mode, but the rice is not effectively washed by a single rice washing mode.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that rice cannot be cleaned by a single rice washing mode in the prior art, thereby providing a rice washing device.

The invention provides a rice washing device, comprising:

dry cleaning means adapted to separate and remove foreign substances from the dried rice by means of an air flow;

and the water washing device is connected with the dry cleaning mechanism and is suitable for washing the dry rice after the impurities are separated.

The dry cleaning device includes:

the rice conveying device comprises a shell, a conveying mechanism and a control mechanism, wherein a rice inlet and a first rice outlet are formed in the shell, and the conveying mechanism is arranged in the shell and is suitable for pushing dry rice at the rice inlet to the first rice outlet;

a drive device adapted to drive the transport mechanism;

and the air inlet duct is connected with the shell and the fan.

The conveying mechanism is a screw mechanism.

The housing is provided with a vent hole.

A filter screen is arranged on the inner wall of the shell, and the maximum size of the filter screen is smaller than the minimum size of rice.

The rice washing device further comprises: the rice stacking box is connected to the shell and is connected with the first rice outlet, and a second rice outlet is formed in the rice stacking box; the pressing plate is connected to one side, far away from the rice inlet, of the rice stacking box and provided with a groove facing away from the screw mechanism, and the groove and the rice stacking box form an accommodating space.

The second rice outlet is arranged below the accommodating space, and the axis of the second rice outlet is mutually vertical to the axis of the first rice outlet in space.

The rice washing device further comprises: and one end of the air outlet channel is arranged on the second rice outlet, and the other end of the air outlet channel is arranged on the fan.

A spoiler which is obliquely arranged towards the direction far away from the air outlet channel is arranged in the accommodating space.

And a positioning structure connected with one end of the screw rod mechanism is arranged on the inner wall of the rice stacking box.

The positioning structure is sleeved with an annular back pressure elastic sealing element.

The screw mechanism includes:

the rice measuring section is arranged on one side, close to the rice inlet, of the screw mechanism, and the screw pitches of adjacent threads of the screw mechanism on the rice measuring section are equal and uniform.

The screw mechanism further includes:

the rice washing section is arranged in the middle of the screw mechanism and corresponds to the vent hole, and the tooth-shaped height of the rice washing section is lower than that of the rice measuring section;

and the rice stacking section is arranged on one side, close to the rice outlet, of the screw mechanism.

The thread on the rice washing section is flat and is provided with brush hair.

The thread on the rice washing section is arranged in a one-way inclined way.

The driving device is arranged on the outer side of the shell close to the rice inlet and is fixedly connected with the rice measuring section.

The air inlet duct and the air outlet duct are connected to the same motor of the fan.

And a dust collecting device is arranged between the air inlet duct and the motor.

The rice inlet is arranged at the top of the end part close to one side of the shell and is fixedly connected with the rice containing bin.

An air inlet is arranged at the position, corresponding to the stacking section, on the shell, and the air inlet is the joint of the air inlet duct and the shell.

The water washing device comprises:

the rice washing bin body is provided with a rice washing cavity, an installation cavity and a rice discharging opening, and the rice discharging opening is communicated with the rice washing cavity;

the rice discharging cover is arranged at the rice discharging opening;

the first driving piece is fixed on the outer wall of the rice washing bin body;

the upper portion of the first transmission structure is located in the installation cavity and connected with the first driving piece, the lower portion of the first transmission structure is connected with the lower rice cover, and the first driving piece drives the lower rice cover to open or close the lower rice opening.

Part of the installation cavity is positioned in the rice washing cavity.

First drive structure includes rotary rod and lifter, the rotary rod with lifter threaded connection, the upper end of rotary rod is fixed on the output shaft of first driving piece, the lower extreme of rotary rod with the upper end threaded connection of lifter, the rotary rod is located in the installation cavity, the lower extreme of lifter is fixed rice is covered under.

The lower end of the lifting rod penetrates out of the mounting cavity.

The rice washing bin body comprises a top wall and a circular wall arranged on the top wall, the top wall and the circular wall are enclosed to form a rice washing cavity, the lower end of the circular wall forms the rice outlet, the inner side of the top wall is provided with a mounting body extending downwards, and the mounting cavity is formed on the top wall and the mounting body.

The rice washing device further comprises a stirring piece and a second driving piece, the stirring piece is arranged in the rice washing cavity, and the second driving piece is fixed on the rice washing bin body and drives the stirring piece to rotate.

The rice washing device further comprises a second transmission structure arranged in the rice washing cavity, and the second driving piece is connected with the stirring piece through the second transmission structure.

The rice washing device further comprises a water spraying part, the water spraying part is fixed in the rice washing cavity and provided with a water spraying opening, the water spraying part and the rice washing bin body are enclosed to form a water spraying cavity and a fixed cavity, the rice washing bin body is further provided with a water inlet communicated with the water spraying cavity, and the second transmission structure is fixed in the fixed cavity.

The sprinkling piece is a sprinkling plate in threaded connection with the inner wall of the rice washing bin body.

The second transmission structure comprises a driving gear and a driven gear which are meshed with each other, the driving gear is connected with an output shaft of the second driving piece, and the driven gear is connected with the stirring piece.

The technical scheme of the invention has the following advantages:

1. the invention provides a rice washing device, which comprises: dry cleaning means adapted to separate and remove foreign substances from the dried rice by means of an air flow; and the water washing device is connected with the dry cleaning mechanism and is suitable for washing the dry rice after the impurities are separated. Through the mode that combines dry cleaning and washing, will detach dust and silt in the dry rice earlier, the back shifts to going on in the washing device, the dust that is difficult for detaching of dry rice surface adhesion washes away totally with the water, the dual cleaning of dry cleaning and washing has guaranteed the clean degree of rice, in addition, utilize the air current to detach the impurity of great granule earlier and detach before the washing, leave comparatively clean dry rice and get into the washing, washing number of times and degree before having reduced the rice washing, reduce the long loss degree that causes water-soluble nutrient substance of washing time, make the user eat clean and high nutritive rice.

2. The invention provides a rice washing device, comprising: the rice conveying device comprises a shell, a conveying mechanism and a control mechanism, wherein a rice inlet and a first rice outlet are formed in the shell, and the conveying mechanism is arranged in the shell and is suitable for pushing dry rice at the rice inlet to the first rice outlet; a drive device adapted to drive the transport mechanism; and the air inlet duct is connected with the shell and the fan. Set up transport mechanism in the casing, when realizing the automatic transportation of grain of rice, make take place the friction between the grain of rice and touch, leave the impurity equant in rice and the rice, set up the air inlet duct on the casing by the fan, inhale the blow-off with the impurity in the casing, reach abluent effect, on the other hand, can be according to transport speed and the fortune rice volume of unit interval of transport mechanism, calculate the volume of washing rice, when realizing effective dry-cleaning function, realize the function of automatic volume rice, and the structure is reliable, the dismouting of being convenient for.

3. According to the rice washing device provided by the invention, the filter screen is arranged on the inner wall of the shell, and the maximum size of the filter screen is smaller than the minimum size of rice. The air inlet duct that sets up on the casing passes through the ventilation hole and inhales the air current to take away flying dust and filth in the casing, set up the filter screen and prevent on the one hand that external large granule impurity from entering the shell, on the other hand prevents that the grain of rice in the casing from flying away the rice washing device through ventilation hole or inlet air duct, avoids the grain of rice to fly into the fan and causes the part damage, and has reduced extravagant phenomenon and take place.

4. The rice washing device provided by the invention is characterized in that the spoiler obliquely arranged towards the direction far away from the air outlet channel is arranged in the accommodating space. Because the air current of circulation can produce the unpredictable sinuous flow of direction in the accommodation space in the air outlet channel, lead to the rice that flows from first rice mouth and can not fall into the second immediately and go out a rice mouth, and can produce collision with the inner wall of accommodation space and with or gather, lead to going out a rice efficiency and reduce, also can lead to the condition such as cracked of grain of rice, the quality of rice has been reduced, it can shelter from partial air current that flows into the accommodation space to set up the spoiler, effectively weaken the gas flow in the accommodation space, make the grain of rice fall into the second rapidly and go out a rice mouth, and blow away and wash a rice device.

5. According to the rice washing device provided by the invention, the positioning structure is sleeved with the annular backpressure elastic sealing element. The arrangement of the elastic sealing element ensures that the cleaned rice can pass through the positioning structure due to the deformation of the sealing element and has a blocking effect on the flying dust in the shell entering the containing structure.

6. The invention provides a rice washing device, a screw mechanism comprises: the rice measuring section is arranged on one side, close to the rice inlet, of the screw mechanism, and the screw pitches of adjacent threads of the screw mechanism on the rice measuring section are equal and uniform. The dry rice falls into the rice metering section in the shell from the rice inlet, the screw mechanism driven by the driving device rotates to push the dry rice to the rice outlet, the screw pitches of the rice metering section are arranged equally, the dry rice with approximately the same volume can be pushed in unit time, the rice washing amount and the rice washing speed of the rice washing device can be accurately controlled, and the automatic rice metering function is realized.

7. According to the rice washing device provided by the invention, the rice washing section is arranged in the middle of the screw mechanism and is arranged corresponding to the vent hole, and the tooth-shaped height of the rice washing section is lower than that of the rice measuring section; and the rice stacking section is arranged on one side, close to the rice outlet, of the screw mechanism. The tooth shape that the rice washing section set up is lower, for the rice washing structure of realizing the separation of rice and dust or impurity provides installation space, piles setting up of rice section and is being close to the position of rice outlet, is suitable for pushing away the rice that transports so far from the casing.

8. According to the rice washing device provided by the invention, the thread teeth on the rice washing section are arranged in a one-way inclined manner. The screw thread that the slope set up is bigger to the area of contact of rice under the same tooth height condition, and when screw-thread mechanism moved, it was better to the promotion effect of rice, equally, the oblique brush hair of cutting on locating the screw thread has increased with the area of contact of rice, and the transportation rice volume is bigger, has promoted conveying efficiency, and the brush hair has effectively obtained the promotion to the cleaning performance of rice simultaneously.

9. The invention provides a rice washing device, which comprises: the rice washing bin body is provided with a rice washing cavity, an installation cavity and a rice discharging opening, and the rice discharging opening is communicated with the rice washing cavity; the rice discharging cover is arranged at the rice discharging opening; the first driving piece is fixed on the outer wall of the rice washing bin body; the upper portion of the first transmission structure is located in the installation cavity and connected with the first driving piece, the lower portion of the first transmission structure is connected with the lower rice cover, and the first driving piece drives the lower rice cover to open or close the lower rice opening. The upper portion of the first transmission structure is arranged in the mounting cavity of the rice washing bin body, the external space of the rice washing bin body is not occupied, the occupied space is small, the situation that the occupied space is large is caused outside the rice washing bin by the transmission structure in the prior art is effectively avoided, the size of the cooker cover is smaller, and the cost is reduced.

10. According to the rice washing device provided by the invention, part of the installation cavity is positioned in the rice washing cavity. The condition that the volume of the rice washing bin body is overlarge can be avoided, and the structure of the rice washing bin body is simplified.

11. The rice washing device provided by the invention further comprises a water spraying piece, the water spraying piece is fixed in the rice washing cavity and provided with a water spraying opening, the water spraying piece and the rice washing bin body form a water spraying cavity and a fixed cavity in an enclosing mode, the rice washing bin body is further provided with a water inlet communicated with the water spraying cavity, and the second transmission structure is fixed in the fixed cavity. Water enters the sprinkling cavity through the water inlet, then sprinkles water into the rice washing cavity through the sprinkling opening, and then elutriates through the stirring piece. The sprinkling piece not only plays the effect of sprinkling, can also play the effect of fixed second transmission structure, simplifies the structure of washing rice device, reduces the part, improves assembly efficiency. The water spraying opening enables water to be uniformly sprayed into the rice washing cavity, and rice is prevented from being stuck on the inner wall of the rice washing cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a rice washing apparatus provided in an embodiment of the present invention;

FIG. 2 is a top view of the rice washing apparatus shown in FIG. 1;

FIG. 3 is a left side view of the rice washing apparatus shown in FIG. 1;

FIG. 4 is a right side view of the rice washing apparatus shown in FIG. 1;

FIG. 5 is a rear view of the rice washing apparatus shown in FIG. 1;

FIG. 6 is a front view of the rice washing apparatus shown in FIG. 1;

fig. 7 is an exploded view illustrating a partial structure of a dry cleaning apparatus provided in an embodiment of the present invention;

fig. 8 is a left side view of the dry cleaning apparatus provided in the embodiment of the present invention;

fig. 9 is a plan view of a dry cleaning apparatus provided in an embodiment of the present invention;

fig. 10 is a front view of a dry cleaning apparatus provided in an embodiment of the present invention;

fig. 11 is a perspective view schematically illustrating a dry cleaning apparatus according to an embodiment of the present invention;

fig. 12 is a perspective view schematically showing a partial structure of the dry cleaning apparatus shown in fig. 7;

FIG. 13 is a front view schematically showing a partial structure of the dry cleaning apparatus shown in FIG. 7

FIG. 14 is a schematic sectional view showing a partial structure of the rice washing apparatus shown in FIG. 11;

fig. 15 is a schematic structural view of a case of the dry cleaning apparatus provided in an embodiment of the present invention;

fig. 16 is a schematic structural view of a screw mechanism of the dry cleaning apparatus provided in the embodiment of the present invention;

fig. 17 is a schematic structural view of a rice stacking box of the dry cleaning apparatus according to an embodiment of the present invention;

fig. 18 is a schematic view illustrating a structure of a pressing plate of the dry cleaning apparatus according to an embodiment of the present invention;

FIG. 19 is an exploded view of a part of the structure of a water washing apparatus provided in an embodiment of the present invention;

FIG. 20 is a schematic cross-sectional view of a part of the structure of a water washing apparatus provided in an embodiment of the present invention;

description of reference numerals:

1-a fan; 2-a dust collecting device; 3-a shell; 4-a screw mechanism; 5-a drive device; 6-rice containing bin; 11-an air inlet duct; 12-air outlet channel; 31-rice inlet; 32-a first rice outlet; 33-a vent hole; 34-a filter screen; 41-meter measuring section; 42-washing rice section; 43-stacking rice sections; 35-a press plate; 36-stacked rice boxes; 37-an air inlet; 351-spoiler; 361-a positioning structure; 362-a seal; 363-a second rice outlet; 7-washing the rice bin body; 71-rice washing cavity; 72-a mounting cavity; 711-top wall; 712-a ring wall; 713-an installation body; 8-rice cover is put; 9-a first driving member; 91-rotating the rod; 92-a lifter; 100-stirring member; 101-a second drive member; 102-a drive gear; 103-driven gear; 104-a sprinkler; 105-a filter housing; 106-sealing ring; 107-turbidity sensor; 108-a water pump; 109-flow meter.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 20, the present embodiment provides a rice washing apparatus, comprising: dry cleaning means adapted to separate and remove foreign substances from the dried rice by means of an air flow; and the water washing device is connected with the dry cleaning mechanism and is suitable for washing the dry rice after the impurities are separated.

Through the mode that combines dry cleaning and washing, will detach dust and silt in the dry rice earlier, the back shifts to going on in the washing device, the dust that is difficult for detaching of dry rice surface adhesion washes away totally with the water, the dual cleaning of dry cleaning and washing has guaranteed the clean degree of rice, in addition, utilize the air current to detach the impurity of great granule earlier and detach before the washing, leave comparatively clean dry rice and get into the washing, washing number of times and degree before having reduced the rice washing, reduce the long loss degree that causes water-soluble nutrient substance of washing time, make the user eat clean and high nutritive rice.

The dry cleaning device includes: the rice feeding device comprises a shell 3, a rice inlet 31 and a first rice outlet 32 are arranged on the shell 3, and the rice feeding device also comprises a conveying mechanism which is arranged in the shell 3 and is suitable for pushing dry rice at the rice inlet 31 to the first rice outlet 32; a drive device 5 adapted to drive the transport mechanism; the fan 1, the air inlet duct 11 connects the shell 3 and the fan 1.

Set up transport mechanism in casing 3, when realizing the automatic transportation of grain of rice, make take place the friction between the grain of rice and touch, equally divide the impurity in rice and the rice and leave, set up air inlet duct 11 on casing 3 by fan 1, inhale the blow-off with the impurity in the casing 3, reach abluent effect, dry-type washing has been realized on the one hand in the setting like this, the difficult abluent defect of wet rice residue has been avoided, and avoid remaining wet rice to take place to milden and rot the problem that influences user's healthy after, on the other hand, can be according to transport mechanism's the delivery rate and the fortune rice volume of unit interval, calculate the volume of washing rice, when realizing effective dry-cleaning function, realize the function of automatic metering rice, and the structure is reliable, the dismouting of being convenient for.

The conveying mechanism is a screw rod mechanism 4, the screw rod mechanism 4 can calculate the rice washing amount according to the screw pitch of the screw rod, the distance between the screw rod mechanism 4 and the shell 3 and the running speed of the screw rod, the function of automatically measuring rice is realized, the calculation is simple and reliable, the realization is convenient, and the conveying mechanism can also be a micro conveying belt, a roller mechanism and the like as a changeable implementation mode.

The housing 3 is provided with a vent hole 33. In this embodiment, the housing 3 is a column, and the ventilation holes 33 are arranged in the circumferential direction of the middle of the housing 3 and are arranged in rib-like uniform intervals.

A filter screen 34 is arranged on the inner wall of the shell 3, and the maximum size of the filter screen 34 is smaller than the minimum size of a meter. The filter 34 completely covers the vent 33, and in this embodiment, the filter 34 is cylindrical and is formed by fixedly connecting two semi-cylindrical filters.

The air inlet duct 11 that sets up on casing 3 inhales the air current through ventilation hole 33 to fly dust and filth in with casing 3 away, set up filter screen 34 and prevent that external large granule impurity from entering the shell on the one hand, on the other hand, prevent that the grain of rice in the casing 3 from flying away from the rice washing device through ventilation hole 33 or inlet air channel, avoid the grain of rice to fly into fan 1 and cause the part damage, and reduced the extravagant phenomenon and taken place.

Rice washing device still includes: the rice stacking box 36 is connected to the shell 3 and is connected with the first rice outlet 32, and a second rice outlet 363 is arranged on the rice stacking box 36; the pressing plate 35 is connected to one side of the rice stacking box 36 far away from the rice inlet 31 and is provided with a groove which is recessed back to the screw mechanism 4, and the groove and the rice stacking box 36 form an accommodating space. The second rice outlet 363 is arranged below the accommodating space, and the axis of the second rice outlet is perpendicular to the axis of the first rice outlet 32 in space.

The first rice outlet 32 and the second rice outlet 363 are separated by the arrangement of the accommodating space, the axis of the second rice outlet 363 is perpendicular to the axis of the first rice outlet 32 in space, the air outlet channel 12 and the air inlet channel 11 on the fan 1 are respectively separated from the connecting part of the shell 3, the phenomenon that air flowing out of the air outlet channel 12 flows into the air inlet channel 11 and becomes the circulation of air flow is avoided, and large air pressure towards the interior of the shell is caused to appear at the first rice outlet 32, so that large resistance exists when rice grains cannot be transported out of the second rice outlet 363 or transported, the arrangement improves the dry-cleaning efficiency, and the transportation of the rice grains is smoother.

One end of the air outlet channel 12 is arranged on the second rice outlet 363, and the other end is arranged on the fan 1. The fan 1 blows the airflow to the second rice outlet 363, and transports the rice grains falling to the second rice outlet 363 out of the rice washing device.

A spoiler 351 installed to be inclined toward a direction away from the air outlet 12 is disposed in the accommodating space.

Because the air current of circulation can produce the irreversible sinuous flow of unpredictable direction in the accommodation space in the exhaust passage 12, lead to the rice that flows out from first rice mouth 32 can not fall into second rice mouth 363 immediately, and can produce collision and or gathering with the inner wall of accommodation space, lead to a rice efficiency reduction, also can lead to the condition such as the cracked grain of rice, the quality of rice has been reduced, it can shelter from partial air current that flows into the accommodation space to set up spoiler 351, effectively weaken the gas flow in the accommodation space, spoiler 351's slope sets up, make the grain of rice can't stay on the board, and fall into second rice mouth 363 rapidly, and blow away and wash a rice device.

In this embodiment, the spoiler 351 is a single inclined straight plate, and as an alternative embodiment, the spoiler 351 may be provided in plurality or as an inclined curved plate.

The inner wall of the rice stacking box 36 is provided with a positioning structure 361 which is rotatably connected with one end of the screw mechanism 4, the middle part of the positioning structure 361 is provided with a groove suitable for accommodating the end part of the screw, and the positioning structure 361 is provided with an opening for accommodating rice grains.

An annular back pressure resilient seal 362 is sleeved over the locating structure 361. The edge of the seal 362 abuts the inner wall of the housing 3 and is deformed after being pressed by the rice grains. In the present embodiment, the elastic sealing member 362 is a silicone sheet.

The screw mechanism 4 includes: the rice measuring section 41 is arranged on one side, close to the rice inlet 31, of the screw mechanism 4, and the screw pitches of adjacent threads of the screw mechanism 4 on the rice measuring section 41 are uniform and equal.

The dry rice falls into the rice measuring section 41 in the shell 3 from the rice inlet 31, the screw mechanism 4 driven by the driving device 5 rotates to push the dry rice to the rice outlet, the screw pitches of the rice measuring section 41 are set to be equal, the dry rice with approximately the same volume can be pushed in unit time, the rice washing amount and the rice washing speed of the rice washing device can be accurately controlled, and the automatic rice measuring function is realized.

As an alternative embodiment, the pitch on the metering section 41 can be set periodically.

The screw mechanism 4 further includes: the rice washing section 42 is arranged in the middle of the screw mechanism 4 and corresponds to the vent hole 33, and the tooth-shaped height of the rice washing section 42 is lower than that of the rice measuring section 41; a rice stacking section 43 arranged on one side of the screw mechanism 4 close to the rice outlet. The rice washing section 42 is provided with a lower tooth shape to provide an installation space for a rice washing structure for separating rice from dust or impurities, and the rice stacking section 43 is arranged at a position close to the rice outlet and is suitable for pushing the rice transported to the rice outlet away from the shell 3.

The thread on the rice washing section 42 is flat and is provided with brush hair; the thread on the rice washing section 42 is arranged in a one-way inclined way. The screw thread that the slope set up is bigger to the area of contact of rice under the same tooth height condition, and when screw-thread mechanism moved, it was better to the promotion effect of rice, equally, the oblique brush hair of cutting on locating the screw thread has increased with the area of contact of rice, and the transportation rice volume is bigger, has promoted conveying efficiency, and the brush hair has effectively obtained the promotion to the cleaning performance of rice simultaneously.

In the present embodiment, the thread ridge on the rice washing section 42 is inclined toward the rice stacking section 43.

The driving device 5 is arranged outside the shell 3 close to the rice inlet 31 and is fixedly connected with the rice measuring section 41. In the present embodiment, the driving device 5 is a stepping motor.

The air inlet duct 11 and the air outlet duct 12 are connected to the same motor of the fan 1. Be provided with dust collecting device 2 between air inlet duct 11 and the motor, dust collecting device 2 is inside to be equipped with filter equipment, can will be like this in air inlet duct 11 with the impurity in the rice adsorb to dust collecting device 2 and the air current after the filtration blow to first rice mouth 32, guarantee that the air current of blowing in passes through filter equipment's filtration, avoided the secondary pollution of rice.

The rice inlet 31 is arranged at the top of the end part close to one side of the shell 3 and is fixedly connected with the rice containing bin 6. The rice containing bin 6 is arranged at the top of the rice washing device and is in screw connection with the rice washing device, and can fall into the shell 3 through gravity after rice is placed in, so that the step of placing the rice into the screw rod rice conveying device is simplified, and the rice washing efficiency is improved.

An air inlet 37 is arranged at the position of the shell 3 corresponding to the stacking section 43, and the air inlet 37 is the connecting position of the air inlet duct 11 and the shell 3.

The water washing device comprises: the rice washing bin comprises a rice washing bin body 7, a rice discharging cover 8, a first driving piece 9 and a first transmission structure, wherein the rice washing bin body 7 is provided with a rice washing cavity 71, a mounting cavity 72 and a rice discharging opening, and the rice discharging opening is communicated with the rice washing cavity 71; the rice discharging cover 8 is arranged at the rice discharging opening; the first driving piece 9 is fixed on the outer wall of the rice washing bin body 7; the upper portion of the first transmission structure is located in the installation cavity 72 and is connected with the first driving piece 9, the lower portion of the first transmission structure is connected with the lower rice cover 8, and the first driving piece 9 drives the lower rice cover 8 to open or close the lower rice opening through the first transmission structure.

The rice washing device of this embodiment establishes the upper portion of first drive structure in the installation cavity 72 of the rice washing storehouse body 7, does not occupy the exterior space of the rice washing storehouse body 7, and occupation space is little, and the effectual drive structure setting of having avoided among the prior art causes the big condition of occupation space outside the rice washing storehouse, and the volume of a kind of deep pot lid is littleer, reduce cost.

In this embodiment, the portion of the mounting cavity 72 is located in the rice washing cavity 71, so that the condition that the volume of the rice washing bin body 7 is too large can be avoided, and the structure of the rice washing bin body 7 is simplified.

In this embodiment, the first transmission structure comprises a rotating rod 91 and a lifting rod 92, the rotating rod 91 is in threaded connection with the lifting rod 92, the upper end of the rotating rod 91 is fixed on the output shaft of the first driving element 9, the lower end of the rotating rod 91 is in threaded connection with the upper end of the lifting rod 92, the rotating rod 91 is located in the installation cavity 72, and the lower end of the lifting rod 92 is fixed on the lower rice cover 8. The first driving piece 9 drives the rotating rod 91 to rotate, the rotating rod 91 rotates to drive the lifting rod 92 to move downwards, and further the lower rice cover 8 is driven to move upwards, so that the lower rice mouth is opened; the first driving element 9 drives the rotating rod 91 to rotate reversely, and the rotating rod 91 drives the lifting rod 92 to move upwards, so as to drive the lower rice cover 8 to move upwards, thereby closing the lower rice mouth. The first transmission structure is simpler, and the space occupied by the rice washing bin body 7 is smaller. Specifically, the lower end of the rotating rod 91 has an external thread, and the upper end of the elevating rod 92 has an internal threaded hole that is engaged with the external thread. Of course, the lower end of the rotating rod 91 may have an internally threaded hole, and the upper end of the lifting rod 92 may have an external thread engaged with the internally threaded hole.

In this embodiment, the lower end of the lifting rod 92 penetrates out of the mounting cavity 72, so as to be conveniently fixed with the lower rice cover 8. Specifically, the rice cover 8 has a mounting hole, and the lower end of the lifting rod 92 is in interference fit with the mounting hole, so that the rice cover is simple and convenient to fix. Of course, the top surface of the lower rice lid 8 may also have an upwardly extending mounting post, the upper end of which extends into the mounting cavity 72 and is connected to the lower end of the lifting rod 92.

In this embodiment, the rice washing bin body 7 comprises a top wall 711 and a circular wall 712 arranged on the top wall 711, the top wall 711 and the circular wall 712 enclose a rice washing cavity 71, a lower rice mouth is formed at the lower end of the circular wall 712, a mounting body 713 extending downwards is arranged on the inner side of the top wall 711, and a mounting cavity 72 is formed on the top wall 711 and the mounting body 713. The top wall 711, the annular wall 712 and the mounting body 713 are integrally formed, namely the rice washing bin body 7 is a part, so that the rice washing bin body is convenient to assemble with other parts, and the assembly efficiency is improved.

In order to wash rice, in this embodiment, the rice washing device further includes a stirring member 100 and a second driving member 101, the stirring member 100 is disposed in the rice washing cavity 71, and the second driving member 101 is fixed on the rice washing bin 7 and drives the stirring member 100 to rotate. The stirring piece 100 rotates to wash the rice in the rice washing cavity 71, so that the function of automatically washing the rice is realized.

In this embodiment, the rice washing device further comprises a second transmission structure disposed in the rice washing chamber 71, and the second driving member 101 is connected with the stirring member 100 through the second transmission structure. The second transmission structure does not occupy the external space of the rice washing bin body 7, and the rice washing device occupies smaller space.

In this embodiment, wash rice device still includes watering spare 104, and watering spare 104 is fixed and is just having the mouth of spilling in washing rice chamber 71, and watering spare 104 encloses into watering chamber and fixed chamber with washing rice storehouse body 7, and washing rice storehouse body 7 still has the water inlet that communicates with watering chamber, and second transmission structure fixes at fixed intracavity. Water enters the sprinkling cavity through the water inlet, then is sprinkled into the rice washing cavity 71 through the water sprinkling opening, and then is elutriated through the stirring piece 100. The sprinkling piece 104 not only has the function of sprinkling, but also has the function of fixing the second transmission structure, so that the structure of the rice washing device is simplified, parts are reduced, and the assembly efficiency is improved. The water spraying openings are arranged in a plurality of numbers, so that water is uniformly sprayed into the rice washing cavity 71, and rice is prevented from being stuck on the inner wall of the rice washing cavity 71. Six water sprinkling openings are arranged. Of course, the number of the water sprinkling ports is not limited to this, and needs to be adjusted according to specific situations.

In this embodiment, the sprinkling member 104 is a sprinkling plate in threaded connection with the inner wall of the rice washing bin body 7, so that the connection is simple and convenient, and the assembly efficiency is higher. The sprinkling plate and the rice washing bin body 7 are sealed by a sealing ring 106.

In this embodiment, the second transmission structure includes a driving gear 102 and a driven gear 103 that are engaged with each other, the driving gear 102 is connected to an output shaft of the second driving member 101, the driven gear 103 is connected to the stirring member 100, the second driving member 101 drives the driving gear 102 to rotate, and the driving gear 102 drives the driven gear 103 to rotate, so as to drive the stirring member 100 to rotate. The first transmission structure only adopts a pair of gears, the structure is simpler, and the space occupied by the rice washing bin body 7 is smaller. The sprinkler 104 is pressed against the driving gear 102 and the driven gear 103, so that the fixation is more convenient.

Specifically, the bottom surface of the driven gear 103 has a plurality of protrusions protruding downward, and the upper end of the stirring member 100 has a plurality of grooves, with the plurality of protrusions and the plurality of grooves being fitted in one-to-one correspondence. Of course, the driven gear 103 and the stirring element 100 can also be fixed in other ways.

In this embodiment, the stirring member 100 includes a stirring sleeve and a plurality of stirring blades disposed on an outer wall of the stirring sleeve, the stirring sleeve is disposed outside the mounting body 713, and the driven gear 103 is also disposed outside the mounting body 713.

In this embodiment, the first driving member 9 and the second driving member 101 are both motors, so that the use is convenient and the cost is low. The motor is a stepping motor. The motor is fixed on the rice washing bin body 7 through screws. Of course, other driving members may be used for the first driving member 9 and the second driving member 101, and the present invention is not limited thereto.

In this embodiment, lower rice lid 8 includes base and door, and the base is the annular, base and 7 threaded connection in the rice washing storehouse body, door and base connection, and lower rice lid 8 adopts two parts promptly. Of course, the lower rice cover 8 can also be only one part, and the lower rice cover 8 is in threaded connection with the rice washing bin body 7.

In this embodiment, the rice washing device further comprises a filter cover 105, and the filter cover 105 is attached to the inner wall of the rice washing cavity 71 to prevent rice from flowing out.

In this embodiment, as shown in the figures, the rice washing device further comprises a turbidity sensor 107 and a water pump 108 connected with each other, the rice washing bin body 7 further comprises a water outlet, and the turbidity sensor 107 is connected with the water outlet through a pipeline. Detect turbidity through turbidity sensor 107 to the sewage after the washing, carry the rice grain to the inner bag after the turbidity is up to standard in, the turbidity can wash many times when not meeting the requirement for the rice washing device has the function of automated inspection grain of rice cleanliness, has greatly improved user's experience sense. The rice washing water cannot be discharged by gravity, and can be discharged more quickly by the water pump 108. The rice washing device further comprises a flow meter 109, the flow meter 109 is connected with the water inlet through a pipeline, and the flow meter 109 is connected with an external water source.

In this embodiment, the rice washing bin body 7 further has a rice inlet, and the sprinkling plate has an avoiding hole corresponding to the rice inlet.

The following explains the working principle of the rice washing device:

the working process of the rice washing device is as follows:

rice is put into a rice containing bin 6, a fan 1 and a stepping motor are started, the rice in the rice containing bin 6 falls into a rice measuring section 41 of a screw mechanism 4 in a shell 3 through a rice inlet 31, the screw moves at a constant speed, the rice measuring section 41 moves the rice in the direction far away from the rice inlet 31 according to the uniform rice quantity, the rice grains are conveyed to a rice washing section 42, the rice grains are separated from dust adhered to the surface of the rice and silt debris in the rice by bristles on internal thread teeth of the rice washing section 42 and conveyed to a rice stacking section 43, the fan 1 operates, an air outlet arranged at the position corresponding to the rice stacking section 43 on the shell 3 sucks the air flow with the dust and the silt debris through an air vent 33 and a filter screen 34 on the wall of the shell 3 into an air inlet duct 11 under the action of negative pressure, a dust collecting device 2 is arranged between the air inlet duct 11 and the motor of the fan 1, the air flow filtered by the dust and the silt debris in the dust collecting device 2 is under the action, blow to second rice mouth 363 through exhaust duct 12, the grain of rice falls to second rice mouth 363 position through sealing 362 and accommodation space under the screw rod effect, is blown away by the air current and washes a rice device, and second rice mouth 363 links to each other through the connecting pipe with going into rice mouth, and the grain of rice gets into from going into rice mouth and washes a rice storehouse 7 internal, can fall in the bottom because of the reason of gravity, and water gets into from the water inlet, and rivers spray through six watering mouths of watering dish in washing a rice chamber 71. When the flow meter 109 reaches the preset proportion, the step motor rotates to drive the stirring piece 100 to rotate, and the rice-water mixture is fully stirred, so that rice grains are fully cleaned; after cleaning, the water pump 108 starts to work, rice washing water or sewage in the rice washing cavity 71 is discharged, the turbidity sensor 107 detects the turbidity of the sewage, and whether cleaning needs to be repeated or not is judged; after the washing is accomplished, the motor work, lower rice lid 8 is opened, and in clean rice carried cooking utensil's inner bag, realize automatic rice washing, improve user experience, let the process of cooking become simpler, light and intelligent more.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.