Squeezing device for processing pickled vegetables

By designing a pressing device for processing pickled vegetables, the juice of pickled vegetables is collected by using the conveying components and water storage tank, the problem of inconvenient collection of juice in the prior art is solved, and the production efficiency and product quality are improved.

CN222284654UInactive Publication Date: 2025-01-03岳阳市检验检测中心
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Patent Information

Application Number
CN202421132174.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing processing and pressing device for pickled vegetables is not convenient for juice collection, resulting in the discharge of juice everywhere, affecting the overall processing efficiency.

Method used

A device including conveying components, placing components and pressing components is designed to convey the pickled vegetables through rotating rollers and belts, and collect juice using a water storage tank and outlet pipe to ensure that the pickled vegetables are not damaged during the pressing process and can Convenient juice drainage.

Benefits of technology

Effective pressing and juice collection of pickled vegetables is achieved, production efficiency and product quality are improved, and the problem of random discharge of juice is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a squeezing device for processing pickled vegetables, and relates to the technical field of pickled vegetables, the squeezing device for processing the pickled vegetables comprises a conveying assembly, and the conveying assembly is used for conveying the pickled vegetables; the containing assembly is arranged on the surface of the bottom of the conveying assembly, and the containing assembly is used for containing the pickled vegetables conveyed by the conveying assembly; the squeezing assembly is arranged over the containing assembly, the squeezing assembly is used for squeezing the pickled vegetables in an inner cavity of the containing assembly, the pickled vegetables can be squeezed, and the squeezed pickled vegetables can be conveniently ejected out, so that workers can conveniently take out the squeezed pickled vegetables, and the squeezing efficiency of the pickled vegetables is improved. The pickle squeezing device can squeeze pickles, can collect squeezed juice, can prevent the pickles from being damaged or deformed in the squeezing process, can be conveniently cleaned, and prevents residues from affecting the product quality.
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Description

Technical Field

[0001] The utility model relates to the technical field of pickled vegetables, in particular to a pressing device used for processing pickled vegetables. Background Art

[0002] Pickled vegetables are a kind of vegetable product that has been processed through a special pickling process. Its history can be traced back to the Zhou Dynasty, and it has been passed down for more than 3,000 years. According to the definition of "Domestic Trade Industry Standard SB / T10439-2007 of the People's Republic of China", pickled vegetables include pickled vegetables, salted vegetables, soy sauce pickled vegetables, candied vegetables, vinegar pickled vegetables, sweet and sour pickled vegetables, shrimp oil pickled vegetables, brine pickled vegetables, and fermented pickled vegetables. Pickled vegetables not only have a unique taste and different flavors, but also have certain nutritional value. It is rich in vitamin C and other antioxidants, which help prevent oxidative stress and chronic diseases. In addition, pickled vegetables also contain certain probiotics and minerals, such as calcium, magnesium, potassium, etc. These ingredients play an important role in maintaining intestinal health and providing the nutrients needed by the human body.

[0003] Although the existing pressing device for processing pickled vegetables can press the pickled vegetables, it is not convenient to collect the juice, which causes the juice to be discharged everywhere, making it inconvenient for overall processing. Therefore, we propose a pressing device for processing pickled vegetables to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a pressing device for processing pickled vegetables, which solves the problem of inconvenient juice collection.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a pressing device for pickled vegetable processing, comprising a conveying component, the conveying component is used for conveying pickled vegetables;

[0006] A holding component, the holding component is arranged on the bottom surface of the conveying component, and the holding component is used to hold the pickled vegetables conveyed by the conveying component;

[0007] A pressing component, the pressing component is arranged directly above the containing component, and the pressing component is used to squeeze the pickled vegetables in the inner cavity of the containing component; and

[0008] A touch all-in-one machine, wherein the touch all-in-one machine is arranged on a surface of one side of the containing component.

[0009] Preferably, the conveying assembly includes a workbench, a mounting hole is opened on the top surface of the workbench, a rotating roller is arranged in the inner cavity of the mounting hole, a plurality of the rotating rollers are arranged, the plurality of the rotating rollers are distributed in a linear array, belts are arranged on the outside of the plurality of the rotating rollers, and a driving motor is arranged at one end of one of the rotating rollers.

[0010] Preferably, guide plates are provided on both sides of the mounting hole and close to the belt, and the guide plates are used to guide the pickled vegetables.

[0011] Preferably, the containing assembly comprises a containing box, the containing box is arranged on one side of the bottom surface of the mounting hole, through holes are provided on both side walls of the containing box, a plurality of through holes are provided, and the plurality of through holes are distributed in a rectangular array, and a bottom plate is provided at the bottom end of the inner cavity of the containing box;

[0012] A water storage tank is arranged outside the storage box, the top surface of the water storage tank is connected to the bottom surface of the workbench, first electric telescopic rods are arranged on both sides of the top surface of the water storage tank, and the top surfaces of the two first electric telescopic rods are connected to the bottom surface of the bottom plate;

[0013] A water outlet pipe is arranged at a lower position on one side surface of the containing box, and a control valve is connected in series to the water outlet pipe.

[0014] Preferably, the size of the inner cavity of the containing box when viewed from above is the same as the outer diameter of the bottom plate when viewed from above, and the two are compatible with each other.

[0015] Preferably, a clamping plate is provided on the top surface of the containing box, and the inner cavity of the clamping plate is in contact with the belt.

[0016] Preferably, the pressing assembly includes a gantry, which is arranged directly above the containing box, and a second electric telescopic rod is inlaid and connected to the top surface of the gantry, and a pressure plate is provided at the output end of the second electric telescopic rod, and a water outlet hole is opened on the top surface of the pressure plate, and a plurality of water outlet holes are opened, and the plurality of water outlet holes are distributed in a rectangular array.

[0017] Beneficial Effects

[0018] The utility model provides a pressing device for processing pickled vegetables. Compared with the prior art, it has the following beneficial effects:

[0019] The pressing device for processing pickled vegetables, when it is necessary to press the pickled vegetables, firstly, the conveying component is placed in a preset position, and then the holding component is fixedly connected to the bottom surface of the conveying component, so that the conveying component can provide support for the holding component, and then the staff can place the pickled vegetables in the inner cavity of the conveying component, and then the conveying component is controlled so that the conveying component can convey the pickled vegetables to the inner cavity of the holding component, and then the holding component can hold the pickled vegetables. Because the pressing component is fixedly connected to the top surface of the conveying component and above the holding component, the conveying component can be controlled. The component provides support for the pressing component, and then the pressing component is controlled by the touch all-in-one machine, so that the pressing component can apply pressure to the pickled vegetables in the inner cavity of the holding component, and then the excess water in the pickled vegetables can be discharged, so as to ensure that the pickled vegetables will not be damaged or deformed during the pressing process. The holding component is controlled by the touch all-in-one machine, so that the holding component can push out the pressed pickled vegetables, so that it is convenient for the staff to collect them. At the same time, the holding component can collect the juice generated in the pressing process, so that the juice can be discharged conveniently, so as to improve production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall side structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the conveying component of the utility model;

[0023] Figure 4 This is a schematic diagram of the planing structure of the conveying component of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the holding component of the utility model;

[0025] Figure 6 This is a schematic diagram of the planed surface structure of the holding component of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the pressing component of the utility model.

[0027] In the figure: 1. Conveying assembly; 11. Workbench; 12. Mounting hole; 13. Rotating roller; 14. Belt; 15. Driving motor; 16. Guide plate; 2. Container assembly; 21. Container box; 22. Through hole; 23. Bottom plate; 24. Water storage tank; 25. First electric telescopic rod; 26. Clamping plate; 27. Water outlet pipe; 28. Control valve; 3. Pressing assembly; 31. Gantry; 32. Second electric telescopic rod; 33. Pressing plate; 34. Water outlet hole; 4. Touch all-in-one machine. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-7 The utility model provides a technical solution: a pressing device for processing pickled vegetables, comprising a conveying component 1, the conveying component 1 is used to convey the pickled vegetables; a holding component 2, the holding component 2 is arranged on the bottom surface of the conveying component 1, and the holding component 2 is used to hold the pickled vegetables conveyed by the conveying component 1; a pressing component 3, the pressing component 3 is arranged just above the holding component 2, and the pressing component 3 is used to squeeze the pickled vegetables in the inner cavity of the holding component 2; and a touch all-in-one machine 4, the touch all-in-one machine 4 is arranged on one side surface of the holding component 2;

[0030] When it is necessary to squeeze the pickled vegetables, firstly, the conveying component 1 is placed in a preset position, and then the holding component 2 is fixedly connected to the bottom surface of the conveying component 1, so that the conveying component 1 can provide support for the holding component 2, and then the staff can place the pickled vegetables in the inner cavity of the conveying component 1, and then by controlling the conveying component 1, the conveying component 1 can convey the pickled vegetables to the inner cavity of the holding component 2, and then the holding component 2 can hold the pickled vegetables. Since the pressing component 3 is fixedly connected to the top surface of the holding component 2 and above the conveying component 1, the conveying component 1 can be pressed. The pressing component 3 provides support, and then the pressing component 3 is controlled by the touch all-in-one machine 4, so that the pressing component 3 can apply pressure to the pickled vegetables in the inner cavity of the holding component 2, and then the excess water in the pickled vegetables can be discharged, so as to ensure that the pickled vegetables will not be damaged or deformed during the pressing process. The holding component 2 is controlled by the touch all-in-one machine 4, so that the holding component 2 can push out the squeezed pickled vegetables, so that it is convenient for the staff to collect them. At the same time, the holding component 2 can collect the juice generated in the pressing process, so that the juice can be discharged conveniently, so as to improve production efficiency and product quality.

[0031] See also Figure 1-4The conveying assembly 1 includes a workbench 11, a mounting hole 12 is provided on the top surface of the workbench 11, a rotating roller 13 is provided in the inner cavity of the mounting hole 12, a plurality of rotating rollers 13 are provided, and the plurality of rotating rollers 13 are distributed in a linear array, a belt 14 is provided on the outer side of the plurality of rotating rollers 13, a driving motor 15 is provided at one end of one of the rotating rollers 13, and guide plates 16 are provided on both sides of the mounting hole 12 and close to the belt 14, and the guide plates 16 are used to guide the pickled vegetables;

[0032] The workbench 11 in the conveying component 1 can be placed in a preset position and provide a space for the mounting hole 12. Since the inner cavity of the mounting hole 12 is rotatably connected to a rotating roller 13, and the rotating roller 13 is rotatably connected to multiple, and the outer sides of the multiple rotating rollers 13 are rotatably connected to belts 14, and one end of one of the rotating rollers 13 is rotatably connected to a driving motor 15, the driving motor 15 can drive the rotating roller 13 to rotate, and then the rotating roller 13 can drive the belt 14 to rotate, so that the belt 14 can drive the pickles to move, and since guide plates 16 are fixedly connected on both sides of the mounting hole 12 and close to the belt 14, the guide plates 16 can guide the pickles, thereby preventing the pickles from falling and deviating, so as to improve the stability of transportation.

[0033] See also Figure 1 , Figure 2 , Figure 5 , Figure 6 The containing assembly 2 comprises a containing box 21, which is arranged on one side of the bottom surface of the mounting hole 12, through holes 22 are provided on both side walls of the containing box 21, and a plurality of through holes 22 are provided, and the plurality of through holes 22 are distributed in a rectangular array, and a bottom plate 23 is provided at the bottom end of the inner cavity of the containing box 21; a water storage tank 24 is provided on the outer side of the containing box 21, and the top surface of the water storage tank 24 is connected to the bottom surface of the workbench 11, and first electric telescopic rods 25 are provided on both sides of the top surface of the water storage tank 24, and the top surfaces of the two first electric telescopic rods 25 are connected to the bottom surface of the bottom plate 23; a water outlet pipe 27 is provided at a lower position on the surface of one side of the water storage tank 24, and a control valve 28 is connected in series to the water outlet pipe 27, the inner cavity size of the containing box 21 viewed from above is the same as the outer diameter size of the bottom plate 23 viewed from above, and the two are adapted to each other, and a clamping plate 26 is provided on the top surface of the containing box 21, and the inner cavity of the clamping plate 26 is in contact with the belt 14;

[0034] The holding box 21 in the holding component 2 can be fixedly connected to one side of the bottom surface of the installation hole 12, and can also provide a space for the through hole 22. Since the bottom end of the inner cavity of the holding box 21 is movably connected with the bottom plate 23, the pickled vegetables can be transported to the inner cavity of the holding box 21, and the holding box 21 can provide support for the pickled vegetables, so that the pressing component 3 can squeeze them conveniently, and the excess water squeezed can be discharged through the through hole 22. Since the outer side of the holding box 21 is fixedly connected with a water tank 24, and the top surface of the water tank 24 is connected to the bottom surface of the workbench 11; thereby, the workbench 11 can provide support for the water tank 24, and the water discharged through the through hole 22 can flow into the inner cavity of the water tank 24, so that the staff can carry out subsequent processing of the liquid. Since the top surface of the water tank 24 is fixedly connected with a first electric telescopic rod 25, and the top surface of the first electric telescopic rod 25 is connected to the bottom of the bottom plate 23, the workbench 11 can provide support for the water tank 24. The surfaces are connected, so that the output end of the first electric telescopic rod 25 can drive the bottom plate 23 to move, and then the bottom plate 23 can be moved up and down in the inner cavity of the containing box 21, so that the pickled vegetables squeezed in the inner cavity of the containing box 21 can be pushed out, which is convenient for the staff to take out. Since the lower position of the surface of one side of the water storage tank 24 is connected with a water outlet pipe 27, and the water outlet pipe 27 is connected in series with a control valve 28, the control valve 28 can control the water outlet pipe 27, so that the water in the inner cavity of the water storage tank 24 can be discharged through the water outlet pipe 27, so that it is convenient for the staff to carry out subsequent processing. Since the top surface of the containing box 21 is fixedly connected with a clamping plate 26, and the inner cavity of the clamping plate 26 is in contact with the belt 14, the clamping plate 26 can reduce the gap between the containing box 21 and the belt 14, so as to prevent the pickled vegetables from falling from between the containing box 21 and the belt 14, so as to improve the stability of the pickled vegetable transportation.

[0035] See also Figure 1 , Figure 2 , Figure 7 The pressing assembly 3 includes a gantry 31, which is arranged just above the containing box 21. A second electric telescopic rod 32 is inlaid and connected on the top surface of the gantry 31. A pressing plate 33 is arranged at the output end of the second electric telescopic rod 32. A water outlet hole 34 is opened on the top surface of the pressing plate 33. There are a plurality of water outlet holes 34, which are distributed in a rectangular array.

[0036] The gantry 31 in the pressing assembly 3 can be fixedly connected to the top of the storage box 21, and can also provide an installation base for the second electric telescopic rod 32. Since the output end of the second electric telescopic rod 32 is fixedly connected with the pressing plate 33, the output end of the second electric telescopic rod 32 can drive the pressing plate 33 to move up and down, so that the pressing plate 33 can apply pressure to the pickles in the inner cavity of the storage box 21 to remove excess moisture. Since a water outlet hole 34 is provided on the top surface of the pressing plate 33, and a plurality of water outlet holes 34 are provided, the pressing plate 33 can squeeze and discharge excess moisture through the water outlet holes 34 at the same time, so as to prevent excess moisture from not being discharged, so as to prevent the pickles from being damaged or deformed during the squeezing process.

[0037] During operation, when it is necessary to squeeze the pickled vegetables, firstly, the conveying component 1 is placed at a preset position, and then the holding component 2 is fixedly connected to the bottom surface of the conveying component 1, so that the conveying component 1 can provide support for the holding component 2, and then the staff can place the pickled vegetables in the inner cavity of the conveying component 1, and then by controlling the conveying component 1, the conveying component 1 can convey the pickled vegetables to the inner cavity of the holding component 2, and then the holding component 2 can hold the pickled vegetables. Since the pressing component 3 is fixedly connected to the holding component 2 and located on the top surface of the conveying component 1, the conveying component 1 can be Provide support for the pressing component 3, and then control the pressing component 3 through the touch all-in-one machine 4, so that the pressing component 3 can apply pressure to the pickled vegetables in the inner cavity of the holding component 2, and then discharge the excess water in the pickled vegetables, so as to ensure that the pickled vegetables will not be damaged or deformed during the pressing process. The holding component 2 is controlled by the touch all-in-one machine 4, so that the holding component 2 can push out the pressed pickled vegetables, so that it is convenient for the staff to collect them. At the same time, the holding component 2 can collect the juice generated during the pressing process, so that the juice can be discharged conveniently, so as to improve production efficiency and product quality.

[0038] The workbench 11 in the conveying component 1 can be placed in a preset position and provide a space for the mounting hole 12. Since the inner cavity of the mounting hole 12 is rotatably connected to a rotating roller 13, and the rotating roller 13 is rotatably connected to multiple, and the outer sides of the multiple rotating rollers 13 are rotatably connected to belts 14, and one end of one of the rotating rollers 13 is rotatably connected to a driving motor 15, the driving motor 15 can drive the rotating roller 13 to rotate, and then the rotating roller 13 can drive the belt 14 to rotate, so that the belt 14 can drive the pickles to move, and since guide plates 16 are fixedly connected on both sides of the mounting hole 12 and close to the belt 14, the guide plates 16 can guide the pickles, thereby preventing the pickles from falling and deviating, so as to improve the stability of transportation.

[0039] The holding box 21 in the holding component 2 can be fixedly connected to one side of the bottom surface of the installation hole 12, and can also provide a space for the through hole 22. Since the bottom end of the inner cavity of the holding box 21 is movably connected with the bottom plate 23, the pickled vegetables can be transported to the inner cavity of the holding box 21, and the holding box 21 can provide support for the pickled vegetables, so that the pressing component 3 can squeeze them conveniently, and the excess water squeezed can be discharged through the through hole 22. Since the outer side of the holding box 21 is fixedly connected with a water tank 24, and the top surface of the water tank 24 is connected to the bottom surface of the workbench 11; thereby, the workbench 11 can provide support for the water tank 24, and the water discharged through the through hole 22 can flow into the inner cavity of the water tank 24, so that the staff can carry out subsequent processing of the liquid. Since the top surface of the water tank 24 is fixedly connected with a first electric telescopic rod 25, and the top surface of the first electric telescopic rod 25 is connected to the bottom of the bottom plate 23, the workbench 11 can provide support for the water tank 24. The surfaces are connected, so that the output end of the first electric telescopic rod 25 can drive the bottom plate 23 to move, and then the bottom plate 23 can be moved up and down in the inner cavity of the containing box 21, so that the pickled vegetables squeezed in the inner cavity of the containing box 21 can be pushed out, which is convenient for the staff to take out. Since the lower position of the surface of one side of the water storage tank 24 is connected with a water outlet pipe 27, and the water outlet pipe 27 is connected in series with a control valve 28, the control valve 28 can control the water outlet pipe 27, so that the water in the inner cavity of the water storage tank 24 can be discharged through the water outlet pipe 27, so that it is convenient for the staff to carry out subsequent processing. Since the top surface of the containing box 21 is fixedly connected with a clamping plate 26, and the inner cavity of the clamping plate 26 is in contact with the belt 14, the clamping plate 26 can reduce the gap between the containing box 21 and the belt 14, so as to prevent the pickled vegetables from falling from between the containing box 21 and the belt 14, so as to improve the stability of the pickled vegetable transportation.

[0040] The gantry 31 in the pressing assembly 3 can be fixedly connected to the top of the storage box 21, and can also provide an installation base for the second electric telescopic rod 32. Since the output end of the second electric telescopic rod 32 is fixedly connected with the pressing plate 33, the output end of the second electric telescopic rod 32 can drive the pressing plate 33 to move up and down, so that the pressing plate 33 can apply pressure to the pickles in the inner cavity of the storage box 21 to remove excess moisture. Since a water outlet hole 34 is provided on the top surface of the pressing plate 33, and a plurality of water outlet holes 34 are provided, the pressing plate 33 can squeeze and discharge excess moisture through the water outlet holes 34 at the same time, so as to prevent excess moisture from not being discharged, so as to prevent the pickles from being damaged or deformed during the squeezing process.

[0041] To sum up, the device can not only squeeze the pickled vegetables, but also easily push out the squeezed pickled vegetables, so that the staff can take out the squeezed pickled vegetables conveniently and collect the squeezed juice. At the same time, it can prevent the pickled vegetables from being damaged or deformed during the squeezing process, and can easily clean them to prevent residues from affecting the product quality.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A pressing device for processing pickled vegetables, characterized in that: include: A conveying component (1), wherein the conveying component (1) is used for conveying pickled vegetables; A holding component (2), the holding component (2) being arranged on the bottom surface of the conveying component (1), the holding component (2) being used to hold pickled vegetables conveyed by the conveying component (1); A pressing component (3), the pressing component (3) being arranged directly above the containing component (2), the pressing component (3) being used to squeeze the pickled vegetables in the inner cavity of the containing component (2); as well as A touch all-in-one machine (4), wherein the touch all-in-one machine (4) is arranged on a side surface of the containing component (2).

2. A pressing device for pickled vegetable processing according to claim 1, characterized in that: The conveying assembly (1) comprises a workbench (11), a mounting hole (12) is provided on the top surface of the workbench (11), a rotating roller (13) is provided in the inner cavity of the mounting hole (12), a plurality of rotating rollers (13) are provided, the plurality of rotating rollers (13) are distributed in a linear array, belts (14) are provided on the outer sides of the plurality of rotating rollers (13), and a driving motor (15) is provided at one end of one of the rotating rollers (13).

3. A pressing device for pickled vegetable processing according to claim 2, characterized in that: Guide plates (16) are arranged on both sides of the mounting hole (12) and close to the belt (14), and the guide plates (16) are used to guide the pickled vegetables.

4. A pressing device for pickled vegetable processing according to claim 2, characterized in that: The containing assembly (2) comprises a containing box (21), the containing box (21) being arranged on one side of the bottom surface of the mounting hole (12), through holes (22) being provided on both side walls of the containing box (21), a plurality of through holes (22) being provided, the plurality of through holes (22) being distributed in a rectangular array, and a bottom plate (23) being provided at the bottom end of the inner cavity of the containing box (21); A water storage tank (24) is arranged outside the storage box (21), the top surface of the water storage tank (24) is connected to the bottom surface of the workbench (11), first electric telescopic rods (25) are arranged on both sides of the top surface of the water storage tank (24), and the top surfaces of the two first electric telescopic rods (25) are connected to the bottom surface of the bottom plate (23); A water outlet pipe (27) is provided at a lower position on one side surface of the storage box (21), and a control valve (28) is connected in series to the water outlet pipe (27).

5. A pressing device for pickled vegetable processing according to claim 4, characterized in that: The size of the inner cavity of the containing box (21) when viewed from above is the same as the outer diameter of the bottom plate (23) when viewed from above, and the two are compatible.

6. A pressing device for pickled vegetable processing according to claim 5, characterized in that: A clamping plate (26) is provided on the top surface of the containing box (21), and the inner cavity of the clamping plate (26) is in contact with the belt (14).

7. The pressing device for pickled vegetable processing according to claim 5, characterized in that: The pressing assembly (3) comprises a gantry (31), the gantry (31) being arranged directly above the containing box (21), a second electric telescopic rod (32) being inlaid and connected on the top surface of the gantry (31), a pressing plate (33) being arranged at the output end of the second electric telescopic rod (32), a water outlet hole (34) being arranged on the top surface of the pressing plate (33), a plurality of the water outlet holes (34) being arranged, and the plurality of the water outlet holes (34) being distributed in a rectangular array.