Clean drainage structure of cold fresh cabinet

Abstract

The utility model provides a cleaning and drainage structure of a cold fresh cabinet, and belongs to the technical field of cold fresh equipment, the cleaning and drainage structure specifically comprises a cabinet body, a cleaning assembly and a drainage assembly, a cabinet door is arranged on one side of the cabinet body, the bottom of the cabinet body is an inclined plane, the side, close to the cabinet door, of the inclined plane is lower than the side, away from the cabinet door, of the inclined plane, and a drainage hole is formed in the side, close to the cabinet door, of the inclined plane; the cleaning assembly is arranged above the inclined face and used for cleaning the inclined face, and the drainage assembly is arranged on the side, close to the cabinet door, of the inclined face and used for draining water accumulated in the cabinet body and draining the accumulated water to the rear side of the cabinet body through an external pipe. According to the treatment scheme, the cold fresh cabinet is convenient to clean, and meanwhile water accumulation on the front side of the cold fresh cabinet is avoided.

Description

Technical Field

[0001] The present application relates to the field of refrigeration equipment, and in particular to a clean drainage structure of a refrigeration cabinet. Background Art

[0002] With the rapid development of society and the advancement of science and technology, people have more and more ways to preserve vegetables. At present, the most common cold cabinets on the market usually preserve vegetables at low temperatures. To facilitate customers' purchases, cold cabinets are mostly vertical cabinets with multiple placement frames from top to bottom. A drainage hole is often opened at a corner near the back panel at the bottom of the cold cabinet to drain the condensed water in the cold cabinet or the water sprayed by the atomizer. However, since the placement frames in the cold cabinet are mostly fixed placement frames, the space between the bottom placement frame and the bottom of the cold cabinet is very limited. When taking care of the cold cabinet, people need to squat and reach in to take care of it, and unplug the sealing plug at the drainage hole for drainage, which is very inconvenient. Utility Model Content

[0003] In view of this, the present application provides a cleaning drainage structure for a fresh-keeping cabinet, which solves the problem of inconvenient drainage of the fresh-keeping cabinet in the prior art, facilitates cleaning of the fresh-keeping cabinet while avoiding water accumulation in the front side of the fresh-keeping cabinet.

[0004] The clean drainage structure of a fresh-keeping cabinet provided in this application adopts the following technical solution:

[0005] A cleaning and drainage structure for a fresh food cabinet comprises a cabinet body, a cleaning component and a drainage component, wherein a cabinet door is arranged on one side of the cabinet body, and the bottom of the cabinet body is an inclined surface, wherein a side of the inclined surface close to the cabinet door is lower than a side away from the cabinet door, and a drainage hole is arranged on a side of the inclined surface close to the cabinet door, wherein the cleaning component is arranged above the inclined surface for cleaning the inclined surface, and wherein the drainage component is arranged on a side of the inclined surface close to the cabinet door for draining water accumulated in the cabinet body;

[0006] The drainage assembly includes a filter, an electronic valve and an external pipe, wherein the filter is arranged at the top of the drainage hole, the external pipe is arranged outside the cabinet, the electronic valve is arranged between the drainage hole and the external pipe, one end of the external pipe is connected to the electronic valve, and the other end is located at the rear side of the cabinet;

[0007] The cleaning assembly includes a driving member and a wiper. In the cabinet, guide rails are symmetrically provided on the two side walls adjacent to the cabinet door. The length direction of the guide rails is parallel to the inclined surface. A slider is installed on the guide rails. Both ends of the wiper are connected to the sliders. The bottom of the wiper abuts against the inclined surface. The part of the wiper located below the guide rail abuts against the two side walls of the cabinet. The driving member is used to drive the wiper and the slider to slide along the guide rails.

[0008] By adopting the above technical scheme, the drainage hole at the bottom of the cold cabinet is arranged on the front side of the cabinet, which makes it more convenient for operators to discharge the accumulated water in the cabinet, and it is also convenient to clean the foreign objects accumulated on the drainage hole. Placing one end of the external pipe at the back of the cabinet can drain the water accumulated in the cabinet to the back of the cabinet, reducing the impact on the customer's shopping experience. The filter can isolate some foreign objects in the cabinet from the drainage hole and the external pipe, avoiding foreign objects from being blocked in the external pipe and the drainage hole. The electronic valve is used to drain water at a specific time. Since the cabinet is refrigerated 24 hours a day, in order to reduce the rate of cold air leakage, the drainage frequency is controlled by the electronic valve, and the cabinet is drained regularly to avoid the drainage hole being connected to the outside world for a long time, causing cold air leakage; the driving member can drive the wiper to move in the cabinet, and the wiper can drive the accumulated water and foreign objects on the inclined surface to the side close to the cabinet door, which is convenient for the operator to clean and improves the cleaning efficiency.

[0009] Optionally, the filter net includes a filter cavity and a filter cover, the filter cavity extends into the drainage hole, the filter cover is arranged on the filter cavity, and filter holes are arranged on the filter cover and the filter cavity.

[0010] By adopting the above technical solution, the filter cover and the filter chamber can perform double filtering on foreign matter present in the cabinet. At the same time, since the filter chamber has its own depth, even if some foreign matter accumulates in the filter chamber, water can also be discharged from the cabinet through the filter chamber. While filtering out foreign matter and avoiding blockage, it can also drain water normally, effectively improving the efficiency of drainage and cleaning.

[0011] Optionally, the pore size of the filter holes on the filter cover is larger than the pore size of the filter holes on the filter cavity.

[0012] By adopting the above technical solution, the drainage efficiency can be further improved according to the setting of different apertures, and foreign matter with larger particle sizes can be isolated above the filter cover, which is convenient for maintenance personnel to clean directly. Foreign matter with smaller particle sizes will be accumulated in the filter cavity, which will not affect the drainage efficiency. It is also convenient for maintenance personnel to clean it after drainage is completed, which greatly improves the cleaning efficiency.

[0013] Optionally, the wiper is made of silicone material, and a slope is provided on one side of the wiper close to the inclined surface.

[0014] By adopting the above technical solution, the wiper blade made of silicone material will not damage the inclined surface when it contacts the inclined surface. Secondly, the inclined surface arranged on the side in contact with the inclined surface can clean the water and foreign matter on the inclined surface to a greater extent, thereby improving the cleaning efficiency without damaging the inclined surface.

[0015] Optionally, both ends of the wiper blade are rotatably mounted on a slider via a rotating shaft, and the driving member includes a pull rod fixedly connected to the top of the wiper blade, and when the pull rod is pressed downward away from one end of the wiper blade, the wiper blade rotates around the rotating shaft, driving the bottom of the wiper blade to tilt up, so that the bottom of the wiper blade is separated from the bottom wall of the cabinet, and when the pull rod is lifted away from one end of the wiper blade, the wiper blade rotates around the rotating shaft, driving the bottom of the wiper blade to be pressed down, so that the bottom of the wiper blade abuts against the inclined surface.

[0016] By adopting the above technical solution, when it is necessary to use a wiper to clean foreign matter and accumulated water in the cabinet, first press down the pull rod to separate the wiper and the bottom of the cabinet, keep the pull rod pressed down, push the pull rod into the cabinet, move the wiper to the innermost side of the cabinet, and then lift the pull rod so that the bottom of the wiper contacts the bottom wall of the cabinet. Keep the pull rod lifted up, pull the pull rod to keep the wiper in contact with the cabinet and move it to the cabinet door side. The wiper pushes foreign matter and accumulated water on the bottom wall of the cabinet to the side of the cabinet door, making it easier for the accumulated water to flow away from the drainage hole and collect foreign matter and garbage. The pull rod is pushed and pulled back and forth until the bottom of the cabinet is cleaned. In the process of pushing the wiper from the cabinet door side to the innermost side of the cabinet, the bottom of the wiper separates from the bottom wall of the cabinet, avoiding pushing foreign matter on the cabinet door side back to the inner side of the cabinet, thereby improving the cleaning efficiency.

[0017] Optionally, the electronic valve includes a controller, an execution unit and an external power supply, the external power supply is arranged outside the cabinet and is electrically connected to the execution unit, the controller is a PLC, and the controller can control the execution unit to open and close by sending a signal to the execution unit.

[0018] By adopting the above technical solution, PLC is a programmable logic controller that can be remotely controlled, providing great convenience for operators.

[0019] Optionally, the execution unit includes a coil, a fixed iron core, a spring, a moving iron core, a valve core and a valve seat, the valve seat is provided with a water inlet, a water outlet and a sealing port, the water inlet is connected to the bottom of the drain hole, the water outlet is connected to the end of the external pipe, the coil is arranged above the sealing port, the fixed iron core, spring, moving iron core and valve core are arranged in the coil from top to bottom along the coil toward the valve seat, the fixed iron core is fixed in the coil at one end away from the valve seat, the fixed iron core is connected to the moving iron core through the spring, the moving iron core is fixedly connected to the valve core at one end away from the spring, and the moving iron core can reciprocate in the coil along the length direction of the coil.

[0020] By adopting the above technical solution, after the PLC sends an opening signal to the execution unit, the coil will be automatically energized, so that the valve core moves out of the blocking port, and then the water flowing through the water inlet can flow to the water outlet through the blocking port, thereby realizing automatic opening and closing of the valve, avoiding the cold air in the cabinet from being discharged through the water inlet and outlet.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] The accumulated water in the cabinet flows along the inclined surface to the drain hole and accumulates at the drain hole. The water is drained regularly by regularly controlling the switch of the electronic valve. Only when the electronic valve is opened, the drain hole is connected to the outside world. Most of the time, the electronic valve is closed to prevent the loss of cold air through the drain hole. After the electronic valve is opened regularly to drain water, the discharged water will flow to the back of the cabinet through the external pipe, thereby ensuring the cleanliness of the ground in front of the cabinet door and not reducing the customer's desire to buy. At the same time, the drive part in the cleaning component drives the wiper to scrape foreign matter and accumulated water on the inclined surface to the side where the drain hole is located, making it convenient for cleaning personnel to regularly clean up the garbage on the bottom wall inside the cabinet.

[0023] By limiting the aperture of the filter cover and the filter chamber, and with the cooperation of the filter cover and the filter chamber, the drainage holes and the external pipes can be prevented from being blocked to a great extent, and the cleaning efficiency is also very high.

[0024] The electronic valve can energize the coil under the control of PLC. After the coil is energized, magnetic force will be generated between the fixed iron core and the moving iron core located in the center of the coil, so that the moving iron core drives the valve core to squeeze the spring close to the fixed iron core, so that the water can flow through the blocking port. After the drainage is completed, the coil sends a power-off command through PLC, so that the current on the coil disappears, the magnetic force in the coil disappears, and the moving iron core drives the valve core to return to the blocking port position under the elastic force of the spring itself, thereby blocking the blocking port. It can be remotely controlled, which is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 This is an overall schematic diagram of the clean drainage structure of the fresh-keeping cabinet of this application.

[0027] Figure 2 This is a schematic diagram of the structure of the cleaning component of this application.

[0028] Figure 3This is a cross-sectional view of the clean drainage structure of the fresh-keeping cabinet of this application.

[0029] Figure 4 This is a schematic diagram of the structure of the filter screen of this application.

[0030] Figure 5 This is a schematic diagram of the structure of the electronic valve of this application.

[0031] Figure 6 This is a schematic structural diagram of the wiper blade of the present application in contact with an inclined surface.

[0032] Figure 7 This is a schematic diagram of the structure of the wiper blade and the inclined surface of the present application in a separated state.

[0033] Explanation of the accompanying drawings: 1. cabinet body; 11. cabinet door; 12. drain hole; 13. guide rail; 14. inclined surface; 2. drain assembly; 21. filter screen; 211. filter cover; 212. filter chamber; 22. electronic valve; 221. controller; 222. external power supply; 223. execution unit; 2231. coil; 2232. fixed iron core; 2233. spring; 2234. moving iron core; 2235. valve core; 2236. valve seat; 22361. water inlet; 22362. water outlet; 22363. plugging port; 23. external pipe; 3. cleaning assembly; 31. slider; 32. wiper; 33. drive member. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0035] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0036] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0037] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0038] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0039] The present application embodiment provides a clean drainage structure for a fresh food cabinet, referring to Figure 1-Figure 4 , including a cabinet body 1, a cleaning component 3 and a drainage component 2, a cabinet door 11 is hinged on one side of the cabinet body 1, the bottom of the cabinet body 1 is an inclined surface 14, the side of the inclined surface 14 close to the cabinet door 11 is lower than the side away from the cabinet door 11, and the side of the inclined surface 14 close to the cabinet door 11 is provided with a drainage hole 12, the cleaning component 3 is installed above the inclined surface 14, and is used to clean the inclined surface 14, and the drainage component 2 is installed on the side of the inclined surface 14 close to the cabinet door 11, and is used to discharge the water accumulated in the cabinet body 1;

[0040] like Figure 1 , Figure 3 and Figure 4 As shown, the drainage component 2 includes a filter screen 21, an electronic valve 22 and an external pipe 23. The filter screen 21 is installed on the top of the drainage hole 12. The filter screen 21 includes a filter cavity 212 and a filter cover 211. The filter cavity 212 extends into the drainage hole 12. The opening of the filter cavity 212 is clamped on the drainage hole 12. The filter cover 211 is clamped on the opening of the filter cavity 212. A plurality of filter holes are provided on the filter cover 211 and the filter cavity 212. The aperture of the filter holes on the filter cover 211 is larger than the aperture of the filter holes on the filter cavity 212.

[0041] like Figure 3 and Figure 5As shown, the external pipe 23 is installed outside the cabinet 1, and the electronic valve 22 is installed between the drain hole 12 and the external pipe 23. One end of the external pipe 23 is fixedly connected to the electronic valve 22 by bolts, and the other end is located at the rear side of the cabinet 1; the electronic valve 22 includes a controller 221, an execution unit 223 and an external power supply 222. The external power supply 222 is fixed to the outside of the cabinet 1 by bolts and is electrically connected to the execution unit 223. The controller 221 is a PLC. The controller 221 can control the execution unit 223 to be powered on and off by sending a signal to the execution unit 223. The execution unit 223 includes a coil 2231, a fixed iron core 2232, a spring 2233, a moving iron core 2234, a valve core 2235 and a valve seat 2236. The valve seat 2236 is provided with a water inlet 22361 and a water outlet 22362. And the blocking port 22363, the water inlet 22361 is fixedly connected to the bottom of the drain hole 12 by bolts, the water outlet 22362 is fixedly connected to the end of the external pipe 23 by bolts, the coil 2231 is located above the blocking port 22363, the fixed iron core 2232, the spring 2233, the moving iron core 2234 and the valve core 2235 are arranged in sequence from top to bottom in the coil 2231 along the direction of the coil 2231 to the valve seat 2236, the fixed iron core 2232 is integrally connected to the end of the coil 2231 away from the valve seat 2236, the fixed iron core 2232 and the moving iron core 2234 are welded by the spring 2233, the end of the moving iron core 2234 away from the spring 2233 is welded to the valve core 2235, and the moving iron core 2234 can reciprocate in the coil 2231 along the length direction of the coil 2231.

[0042] In one embodiment, the electronic valve 22 may be a solenoid valve.

[0043] like Figure 2 and Figure 3 As shown, the cleaning assembly 3 includes a driving member 33 and a wiper 32. In the cabinet 1, guide rails 13 are symmetrically arranged on the two side walls adjacent to the cabinet door 11. The guide rails 13 can be fixed to the inner wall of the cabinet 1 by bolts; the guide rails 13 can also be fixed to the inner wall of the cabinet 1 by a punch-free structure, such as glue; the guide rails 13 can also be placed on the bottom wall of the cabinet 1 by a bracket. The length direction of the guide rail 13 is parallel to the inclined surface 14. A slider 31 is installed on the guide rail 13. The two ends of the wiper 32 are connected to the slider 31. The bottom of the wiper 32 abuts against the inclined surface 14. The part of the wiper 32 located below the guide rail 13 abuts against the two side walls of the cabinet 1. The driving member 33 is used to drive the wiper 32 and the slider 31 to slide along the guide rail 13.

[0044] Specifically, both ends of the wiper 32 are rotatably mounted on the slider 31 via a rotating shaft, and the driving member 33 includes a pull rod fixedly connected to the top of the wiper 32. The wiper 32 is made of silicone, and a slope is provided on one side of the wiper 32 close to the inclined surface 14.

[0045] like Figure 7 As shown, the end of the pull rod away from the wiper 32 is pressed down, and the wiper 32 rotates around the rotation axis, driving the bottom of the wiper 32 to tilt up, so that the bottom of the wiper 32 is separated from the bottom wall of the cabinet 1; Figure 6 As shown, the end of the pull rod away from the wiper 32 is lifted, and the wiper 32 rotates around the rotation axis, driving the bottom of the wiper 32 to be pressed down, so that the bottom of the wiper 32 abuts against the bottom wall of the cabinet 1. In one embodiment, when the wiper 32 abuts against the inclined surface 4, the angle between the wiper 32 and the inclined surface 4 is less than 90 degrees, and the angle between the wiper 32 and the guide rail 13 is greater than 90 degrees, which can avoid the wiper 32 from rotating too much toward the cabinet door side when lifting and pulling the pull rod, resulting in the separation of the wiper 32 and the inclined surface 14, ensuring that the wiper 32 always fits the inclined surface when the pull rod is pulled, ensuring the cleaning effect; in other embodiments, when the wiper 32 abuts against the inclined surface 4, it is perpendicular to the inclined surface 4. In one embodiment, the angle between the pull rod and the wiper 32 is greater than 90 degrees, so that the pull rod can be lifted or pressed down within the upper and lower sides of the guide rail 13. In other embodiments, the pull rod and the wiper plate 32 can also be arranged vertically. When the pull rod is lifted to make the wiper 32 contact the inclined surface 14, the pull rod is parallel to the guide rail 13. When the pull rod is pressed down to separate the wiper 32 and the inclined surface 14, the pull rod is close to one side of the inclined surface 14.

[0046] When it is necessary to drain and clean the accumulated water and foreign matter on the inclined surface 14 at the bottom of the cabinet 1, firstly, a signal instruction is sent to the execution unit 223 through the controller 221 to energize the coil 2231. At this time, the magnetic force generated in the coil 2231 will open the electronic valve 22 to discharge the accumulated water inside the cabinet 1 to the outside, and some foreign matter will move to the filter screen 21 with the water flow. First, large foreign matter is filtered out by the large aperture of the filter cover 211, and then small foreign matter is filtered out by the small aperture of the filter cavity 212. Finally, when the water in the cabinet 1 is drained, the controller 221 controls the execution unit 223 to cut off the power, so that the electronic valve 22 loses its magnetic force, and the valve core 2235 is reset under the action of the spring 2233, and the blocking port 22363 is blocked again. At this time, the operator cleans up the foreign matter on the inclined surface 14 close to the cabinet door 11 and the foreign matter on the filter cover 211 and the filter cavity 212, and then resets the filter cavity 212 and the filter cover 211.

[0047] At the same time, in order to facilitate personnel to regularly clean the bottom of the cabinet 1, when it is necessary to use the wiper 32 to clean foreign objects and accumulated water in the cabinet 1, first press the pull rod downward to separate the wiper 32 from the bottom of the cabinet 1, keep the pull rod pressed downward, push the pull rod into the cabinet 1, move the wiper to the innermost side of the cabinet 1, and then lift the pull rod upward, the bottom of the wiper 32 contacts the bottom wall of the cabinet 1, keep the pull rod lifted, and pull the pull rod to keep the wiper 32 in contact with the cabinet 1 And move toward the side of the cabinet door 11, the wiper plate 32 pushes the foreign objects and water on the bottom wall of the cabinet body 1 to the side of the cabinet door 11, so that the accumulated water can flow away from the drainage hole 12 and collect foreign objects and garbage. The pull rod is pushed and pulled back and forth until the bottom of the cabinet body 1 is cleaned. In the process of pushing the wiper plate 32 from the side of the cabinet door 11 to the innermost side of the cabinet body 1, the bottom of the wiper plate 32 is separated from the bottom wall of the cabinet body 1, avoiding pushing the foreign objects on the side of the cabinet door 11 back to the inner side of the cabinet body 1, which can improve the cleaning efficiency.

[0048] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A clean drainage structure for a fresh food cabinet, comprising a cabinet body (1), characterized in that: It also comprises a cleaning component (3) and a drainage component (2); a cabinet door (11) is provided on one side of the cabinet body (1); the bottom of the cabinet body (1) is an inclined surface (14); the side of the inclined surface (14) close to the cabinet door (11) is lower than the side away from the cabinet door (11); the side of the inclined surface (14) close to the cabinet door (11) is provided with a drainage hole (12); the cleaning component (3) is arranged above the inclined surface (14) for cleaning the inclined surface (14); the drainage component (2) is arranged on the side of the inclined surface (14) close to the cabinet door (11) for draining water accumulated in the cabinet body (1); The drainage assembly (2) comprises a filter (21), an electronic valve (22) and an external pipe (23); the filter (21) is arranged at the top of the drainage hole (12); the external pipe (23) is arranged outside the cabinet (1); the electronic valve (22) is arranged between the drainage hole (12) and the external pipe (23); one end of the external pipe (23) is connected to the electronic valve (22), and the other end is located at the rear side of the cabinet (1); The cleaning assembly (3) comprises a driving member (33) and a wiper (32). In the cabinet (1), guide rails (13) are symmetrically arranged on the two side walls adjacent to the cabinet door (11). The length direction of the guide rails (13) is parallel to the inclined surface (14). A slider (31) is installed on the guide rails (13). The two ends of the wiper (32) are connected to the slider (31). The bottom of the wiper (32) abuts against the inclined surface (14). The part of the wiper (32) located below the guide rails (13) abuts against the two side walls of the cabinet (1). The driving member (33) is used to drive the wiper (32) and the slider (31) to slide along the guide rails (13).

2. A clean drainage structure for a fresh food cabinet according to claim 1, characterized in that: The filter net (21) comprises a filter cavity (212) and a filter cover (211); the filter cavity (212) extends into the drainage hole (12); the filter cover (211) is arranged on the filter cavity (212); and filter holes are arranged on the filter cover (211) and the filter cavity (212).

3. A clean drainage structure for a fresh food cabinet according to claim 2, characterized in that: The pore size of the filter holes on the filter cover (211) is larger than the pore size of the filter holes on the filter cavity (212).

4. The clean drainage structure of a fresh food cabinet according to claim 1, characterized in that: The wiper plate (32) is made of silicone material, and a slope is provided on one side of the wiper plate (32) close to the inclined surface (14).

5. The clean drainage structure of a fresh food cabinet according to claim 1, characterized in that: The two ends of the wiper (32) are rotatably mounted on the slider (31) via a rotating shaft, and the driving member (33) includes a pull rod fixedly connected to the top of the wiper (32). When the pull rod is pressed downward away from one end of the wiper (32), the wiper (32) rotates around the rotating shaft, driving the bottom of the wiper (32) to tilt up, so that the bottom of the wiper (32) is separated from the bottom wall of the cabinet (1). When the pull rod is lifted away from one end of the wiper (32), the wiper (32) rotates around the rotating shaft, driving the bottom of the wiper (32) to be pressed downward, so that the bottom of the wiper (32) abuts against the inclined surface (14).

6. The clean drainage structure of a fresh food cabinet according to claim 1, characterized in that: The electronic valve (22) comprises a controller (221), an execution unit (223) and an external power supply (222); the external power supply (222) is arranged outside the cabinet (1) and is electrically connected to the execution unit (223); the controller (221) is a PLC; the controller (221) can control the execution unit (223) to open and close by sending a signal to the execution unit (223).

7. A clean drainage structure for a fresh food cabinet according to claim 6, characterized in that: The execution unit (223) comprises a coil (2231), a fixed iron core (2232), a spring (2233), a moving iron core (2234), a valve core (2235) and a valve seat (2236); the valve seat (2236) is provided with a water inlet (22361), a water outlet (22362) and a plugging port (22363); the water inlet (22361) is connected to the bottom of the drainage hole (12); the water outlet (22362) is connected to the end of the external pipe (23); the coil (2231) is arranged above the plugging port (22363); the fixed iron core (2232), the spring (2233), the moving iron core (2234), a valve core (2235) and a valve seat (2236); (2234) and the valve core (2235) are sequentially arranged in the coil (2231) from top to bottom along the coil (2231) toward the valve seat (2236), the fixed iron core (2232) is fixedly arranged in the coil (2231) at one end away from the valve seat (2236), the fixed iron core (2232) and the moving iron core (2234) are connected via the spring (2233), the moving iron core (2234) is fixedly connected to the valve core (2235) at one end away from the spring (2233), and the moving iron core (2234) can reciprocate in the coil (2231) along the length direction of the coil (2231).

Images