Fruit and vegetable cleaning machine
By designing side-by-side impellers and an outwardly arched drainage area in the return water chamber of the fruit and vegetable washing machine, the turbulent flow of rotating water washes away accumulated water and residue, solving the problem of water and residue accumulation at the bottom of the washing chamber and achieving a more efficient cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO FOTILE KITCHEN WARE CO LTD
- Filing Date
- 2025-04-01
- Publication Date
- 2026-05-15
AI Technical Summary
Existing fruit and vegetable washing machines often accumulate water and residue at the bottom of the washing chamber, affecting the cleaning effect.
The first and second impellers are arranged side by side in the return water chamber of the fruit and vegetable washing machine, and the water inlet and outlet are respectively located in the area close to the impellers. The turbulent flow at the confluence of rotating water flows washes away accumulated water and residue. Combined with the outward arched drainage area and guide surface design, the drainage effect is improved.
It effectively and quickly drains accumulated water, prevents residue buildup, improves cleaning results, and prevents secondary pollution.
Smart Images
Figure CN224235272U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of kitchen appliance technology, specifically to a fruit and vegetable washing machine. Background Technology
[0002] The common cleaning methods of fruit and vegetable washing machines are spraying water jets onto the fruits and vegetables, or creating turbulence in the water that submerges the fruits and vegetables to clean them.
[0003] Chinese invention patent ZL 202010900536.4, entitled "A Cleaning Machine," discloses a structure comprising a water tank, a cleaning basket, a spray arm, and an impeller. The cleaning basket is placed in the water tank. The spray arm has a base and an upper seat. The base is constrained in the cleaning basket and can rotate under external force. The base has an opening that runs vertically through it. The upper seat is rotatably positioned above the base and has a flow channel. The bottom wall of the upper seat has a water inlet with a corresponding opening that communicates with the flow channel, and the top wall of the upper seat has a spray hole that communicates with the flow channel. The impeller is used to draw water from below the base into the flow channel.
[0004] The above structure cleans fruits and vegetables by creating turbulence, but the drive structure components are cumbersome and the corresponding assembly structure is also relatively complicated, which makes it easy for water and residue to accumulate at the bottom of the washing chamber, affecting the cleaning effect. Utility Model Content
[0005] The technical problem to be solved by this utility model is to provide a fruit and vegetable washing machine that can promptly drain the accumulated water and residue at the bottom of the washing chamber, thereby improving the cleaning effect, in light of the current state of the technology.
[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:
[0007] A fruit and vegetable washing machine includes a housing with a recessed water return cavity at the bottom. The bottom of the water return cavity has a water inlet and a water outlet. The water return cavity extends along the length of the housing. A first impeller and a second impeller are rotatable in the water return cavity. The first impeller and the second impeller are arranged side by side along the length of the water return cavity. A first region is formed between the first impeller and the second impeller, which is located near a first sidewall of the water return cavity, and a second region is located near a second sidewall of the water return cavity. The water inlet is located in the first region, and the water outlet is located in the second region.
[0008] With the above structure, the drain outlet far from the impeller facilitates the rapid discharge of accumulated water. Since the first and second impellers will generate rotating water flow centered on them, the two water flow will collide with each other at the confluence point. The violently turbulent water flow will flush the inlet and outlet to avoid the accumulation of residue, thereby avoiding secondary pollution and improving the cleaning effect.
[0009] As an improvement, the second sidewall of the return water chamber smoothly arches outward at the corresponding second region to form a drainage area, and the outer edge of the drain outlet is arranged close to the inner wall of this drainage area. With the aforementioned outwardly arched drainage area, turbulent water flows along the arched sidewall, thereby rinsing the edge of the drain outlet 360 degrees. This not only prevents residue accumulation but also further improves the drainage effect.
[0010] Preferably, the bottom wall of the return water chamber slopes downward from the edge towards the drainage area to form a guide surface. This structure helps improve the drainage effect of the return water chamber, avoids residue accumulation, and achieves zero residual water on the bottom wall of the return water chamber.
[0011] This utility model also includes a washing basket, a first auxiliary impeller, and a second auxiliary impeller. The washing basket is disposed in the housing and located above the return water chamber. The first and second auxiliary impellers are rotatably disposed at the bottom of the washing basket, with the first and second auxiliary impellers corresponding vertically to each other. With this structure, the impellers create annular turbulence at the bottom of the washing basket. The auxiliary impellers, corresponding vertically to the impellers, rotate under the influence of this annular turbulence, creating turbulence within the washing basket. The corresponding auxiliary impellers and the impellers form turbulence located inside and outside the washing basket, respectively. Combined with the double-circular flow formed by the parallel impellers, this creates rotational friction on the fruits and vegetables in the washing basket, improving the washing effect.
[0012] Preferably, both the first and second impellers include a disc-shaped body, and the upper surface of the body is provided with a first blade and a second blade extending radially, the first blade and the second blade being arranged at intervals. More preferably, the first blade extends radially through the impeller, the length of the second blade is less than the length of the first blade, and the circumferential width of the second blade is less than the width of the first blade. This structure is beneficial for improving the turbulence effect of the water flow.
[0013] Preferably, both the first and second auxiliary impellers include multiple concentrically spaced annular ribs. The upper surface of each annular rib has a baffle extending radially outward from the center, connecting the ribs into a single unit. This baffle extends vertically and is used to drive the first or second auxiliary impeller to rotate under turbulent water flow. With this structure, the baffle corresponds one-to-one with the blades of the impeller below it, ensuring stable and reliable rotation under the influence of the water flow through the agitation of the impeller.
[0014] To facilitate installation and assembly, the bottom of the cleaning basket is provided with a shaft hole. Correspondingly, the central part of the first auxiliary impeller and the second auxiliary impeller is provided with a shaft that passes downward through the shaft hole, and the lower end of the shaft is provided with a limiting flange that can cooperate with and limit the lower surface of the cleaning basket.
[0015] Preferably, the bottom of the housing is provided with a drive component for rotating the first and second impellers. The output shaft of the drive component passes through the bottom wall of the housing and connects to the central part of the first and second impellers. This structure provides power for the rotation of the impellers, enabling automatic cleaning.
[0016] Compared with the prior art, the advantages of this utility model are as follows: This utility model sets up a first impeller and a second impeller arranged side by side in the return water chamber, and sets the inlet and outlet in the middle of the return water chamber where the first impeller and the second impeller are close to each other. The outlet away from the impeller is conducive to the rapid discharge of accumulated water. Since the first impeller and the second impeller will generate rotating water flow centered on them, the two water flows collide with each other at the confluence point. The violently turbulent water flow will flush the inlet and outlet to avoid the accumulation of residue, thereby avoiding secondary pollution and improving the cleaning effect. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;
[0018] Figure 2 for Figure 1 A sectional view;
[0019] Figure 3 for Figure 1 Exploded view;
[0020] Figure 4 This is a schematic diagram of the structure of the box in an embodiment of this utility model. Detailed Implementation
[0021] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0022] In the description of this utility model, it should be understood that if terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0023] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0025] In this utility model, unless otherwise explicitly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact, or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0026] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this invention are for illustrative purposes only and do not represent the only possible implementation.
[0027] like Figures 1-4 As shown, the fruit and vegetable washing machine of this embodiment includes a box body 1. The bottom of the box body 1 is provided with a recessed water return chamber 11. The bottom of the water return chamber 11 has a water inlet 111 and a drain outlet 112. The bottom of the box body 1 is provided with a water inlet pipe and a water inlet valve connected to the water inlet 111. The water inlet valve can control the opening and closing of the water inlet 111. The bottom of the box body 1 is provided with a drain valve pump structure connected to the drain outlet 112 to control the opening and closing of the drain outlet 112 and provide water suction power for drainage.
[0028] In this embodiment, the return water cavity 11 extends along the length of the housing 1. A first impeller 10 and a second impeller 20 are rotatably disposed in the return water cavity 11. The first impeller 10 and the second impeller 20 are arranged side by side along the length of the return water cavity 11. A first region 100 is formed between the first impeller 10 and the second impeller 20, which is arranged near the first side wall of the return water cavity 11, and a second region 200 is arranged near the second side wall of the return water cavity 11. The inlet 111 is opened in the first region 100, and the outlet 112 is opened in the second region 200.
[0029] The first impeller 10 and the second impeller 20 are respectively disc-shaped, and correspondingly, the sidewalls at both ends of the return water cavity 11 form arc-shaped edges that match the outer edges of the first impeller 10 and the second impeller 20.
[0030] With the above structure, the drain outlet 112, which is far from the impeller, is conducive to the rapid discharge of accumulated water. Since the first impeller 10 and the second impeller 20 will generate rotating water flow centered on them, the two water flows collide with each other at the confluence point. The violently turbulent water flow will flush the inlet and outlet 112 to avoid the accumulation of residue, thereby avoiding secondary pollution and improving the cleaning effect.
[0031] In this embodiment, the second sidewall of the return water chamber 11 smoothly arches outward at the corresponding second region 200 to form a drainage area 300, and the outer edge of the drain outlet 112 is arranged close to the inner wall of the drainage area 300. By setting the aforementioned outwardly arched drainage area 300, the turbulent water flow will rush along the arched sidewall, thereby rinsing the edge of the drain outlet 112 360 degrees, which not only avoids the accumulation of residue, but also helps to further improve the drainage effect.
[0032] The bottom wall of the return water chamber 11 slopes downward from the edge towards the drainage area 300 to form a guide surface. This structure helps to improve the drainage effect of the return water chamber 11, avoids the accumulation of residue, and achieves zero residual water on the bottom wall of the return water chamber 11.
[0033] This embodiment also includes a washing basket 2, a first auxiliary impeller 01, and a second auxiliary impeller 02. The washing basket 2 is located in the housing 1 and above the return water chamber 11. The bottom and side walls of the washing basket 2 are hollow structures. The first auxiliary impeller 01 and the second auxiliary impeller 02 are rotatably mounted on the bottom of the washing basket 2, with the first auxiliary impeller 01 corresponding vertically to the first impeller 10, and the second auxiliary impeller 02 corresponding vertically to the second impeller 20. With the above structure, the impellers form annular turbulence at the bottom of the washing basket 2. The auxiliary impellers corresponding vertically to the impellers rotate under the influence of this annular turbulence, forming turbulence in the washing basket 2. The corresponding auxiliary impellers and the impellers form turbulence located inside and outside the washing basket 2, respectively. Together with the double-ring flow formed by the parallel impellers, they rotate and rub the fruits and vegetables in the washing basket 2 to improve the washing effect.
[0034] Both the first impeller 10 and the second impeller 20 include a disc-shaped body 103. The upper surface of the body 103 is provided with a first blade 101 and a second blade 102 extending radially, spaced apart. The first blade 101 extends radially through the impeller, and the length of the second blade 102 is less than the length of the first blade 101, and the circumferential width of the second blade 102 is less than the width of the first blade 101. This structure is beneficial for improving the turbulence effect of the water flow.
[0035] Both the first auxiliary impeller 01 and the second auxiliary impeller 02 include multiple concentrically spaced annular ribs 001. The upper surface of each annular rib 001 is provided with a baffle 002 extending radially outward from the center, connecting the annular ribs 001 into a single unit. This baffle extends vertically and is used to drive the first auxiliary impeller 01 or the second auxiliary impeller 02 to rotate under the influence of water turbulence. With this structure, the baffle 002 corresponds one-to-one with the blades of the impeller below it, so that stable and reliable rotation occurs under the influence of water flow through the agitation of the impeller.
[0036] To facilitate installation and assembly, a shaft hole 21 is provided at the bottom of the cleaning basket 2. Correspondingly, a shaft 003 is provided at the center of the first auxiliary impeller 01 and the second auxiliary impeller 02, which passes downward through the shaft hole 21. The lower end of the shaft 003 is provided with a limiting flange 004 that can cooperate with and limit the lower surface of the cleaning basket 2.
[0037] The bottom of the housing 1 is equipped with a drive unit 3 for driving the first impeller 10 and the second impeller 20 to rotate. The drive unit 3 is a motor, and its output shaft 31 passes through the bottom wall of the housing 1 and is connected to the central part of the first impeller 10 and the second impeller 20. This structure provides power for the rotation of the impellers to achieve automatic cleaning.
[0038] In this embodiment, a first impeller 10 and a second impeller 20 are arranged side by side in the return water chamber 11. The inlet 111 and the outlet 112 are respectively located in the middle of the return water chamber 11 where the first impeller 10 and the second impeller 20 are close to each other. The outlet 112, which is far away from the impeller, is conducive to the rapid discharge of accumulated water. Since the first impeller 10 and the second impeller 20 will generate rotating water flow centered on them, the two water flows collide with each other at the confluence. The violently turbulent water flow will flush the inlet and outlet 112 to avoid the accumulation of residue, thereby avoiding secondary pollution and improving the cleaning effect.
[0039] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0040] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A fruit and vegetable washing machine, comprising a housing (1), wherein a recessed water return chamber (11) is provided at the bottom of the housing (1), and the bottom of the water return chamber (11) has a water inlet (111) and a water outlet (112), characterized in that: The return water chamber (11) extends along the length of the box body (1). A first impeller (10) and a second impeller (20) are rotatably arranged in the return water chamber (11). The first impeller (10) and the second impeller (20) are arranged side by side along the length of the return water chamber (11). A first region (100) is formed between the first impeller (10) and the second impeller (20) near the first sidewall of the return water chamber (11) and a second region (200) is formed near the second sidewall of the return water chamber (11). The inlet (111) is opened in the first region (100) and the outlet (112) is opened in the second region (200).
2. The fruit and vegetable washing machine according to claim 1, characterized in that: The second sidewall of the return water chamber (11) smoothly arches outward at the corresponding second region (200) to form a drainage area (300), and the outer edge of the drain outlet (112) is arranged close to the inner wall of the drainage area (300).
3. The fruit and vegetable washing machine according to claim 2, characterized in that: The bottom wall of the return water chamber (11) slopes downward from the edge to the drainage area (300) to form a guide surface.
4. The fruit and vegetable washing machine according to claim 1, 2, or 3, characterized in that: It also includes a cleaning basket (2), a first auxiliary impeller (01), and a second auxiliary impeller (02). The cleaning basket (2) is located in the housing (1) and above the return water chamber (11). The first auxiliary impeller (01) and the second auxiliary impeller (02) are rotatably located at the bottom of the cleaning basket (2). The first auxiliary impeller (01) corresponds vertically to the first impeller (10), and the second auxiliary impeller (02) corresponds vertically to the second impeller (20).
5. The fruit and vegetable washing machine according to claim 4, characterized in that: The first impeller (10) and the second impeller (20) both include a disc-shaped body (103). The upper surface of the body (103) is provided with a first blade (101) and a second blade (102) extending radially. The first blade (101) and the second blade (102) are arranged at intervals.
6. The fruit and vegetable washing machine according to claim 5, characterized in that: The first blade (101) extends radially through the first impeller (10) and the second impeller (20). The length of the second blade (102) is less than the length of the first blade (101), and the width of the second blade (102) in the circumferential direction is less than the width of the first blade (101).
7. The fruit and vegetable washing machine according to claim 4, characterized in that: The first auxiliary impeller (01) and the second auxiliary impeller (02) both include a plurality of concentrically spaced annular ribs (001). The upper surface of the annular ribs (001) is provided with a baffle (002) that extends radially from the center outward to connect the annular ribs (001) into a whole. The baffle extends vertically and is used to drive the first auxiliary impeller (01) or the second auxiliary impeller (02) to rotate under the turbulence of the water flow.
8. The fruit and vegetable washing machine according to claim 4, characterized in that: The bottom of the cleaning basket (2) is provided with a shaft hole (21). Correspondingly, the central part of the first auxiliary impeller (01) and the second auxiliary impeller (02) is provided with a shaft (003) that passes downward through the shaft hole (21), and the lower end of the shaft (003) is provided with a limiting flange (004) that can cooperate with and limit the lower surface of the cleaning basket (2).
9. The fruit and vegetable washing machine according to claim 1, 2, or 3, characterized in that: The bottom of the housing (1) is provided with a drive component (3) for driving the first impeller (10) and the second impeller (20) to rotate. The output shaft of the drive component (3) passes through the bottom wall of the housing (1) and is connected to the central part of the first impeller (10) and the second impeller (20).