CN219206798U

CN219206798U - Cleaning machine

Info

Publication number: CN219206798U
Application number: CN202320191599.6U
Authority: CN
Inventors: 史伟杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-06-20
Anticipated expiration: 2033-01-18

Abstract

The utility model relates to a cleaning machine, which comprises a box body with a washing cavity formed therein, wherein a concave part is formed at the bottom of the box body, a draining plate with the same shape as the concave part is covered at the concave part, a plurality of draining holes are formed on the draining plate, a draining area is formed in a space between the concave part and the draining plate, a water pump assembly for discharging a water pump of the draining area to the upper part of the draining plate is arranged in the draining area, the water pump assembly comprises a volute with a water inlet, and an impeller assembly arranged in the volute, and is characterized in that: the water inlet of the volute is positioned in the middle of the water filtering area, and a buffer water guide plate is further arranged in the water filtering area, surrounds the periphery of the water inlet of the volute and is used for guiding water in the water filtering area to the water inlet of the volute. Compared with the prior art, the utility model has the advantages that: the water flow rate entering the water inlet of the water pump assembly is effectively reduced, and the water flow uniformity entering the water inlet of the water pump assembly is improved, so that the problem of power reduction of the water pump is effectively solved.

Description

Cleaning machine

Technical Field

The utility model relates to a cleaning machine.

Background

The water tank cleaning machine disclosed by the authorized publication No. CN 103735237B comprises a water tank body, wherein a lower concave part is arranged below the water tank body, a draining plate with the same shape as the lower concave part is covered on the lower concave part, a plurality of draining holes for draining are formed in the draining plate, a draining area is formed in a space between the lower concave part and the draining plate, a water pump for discharging a water pump in the draining area to the upper part of the draining plate is arranged in the draining area, a slag basket communicated with a water outlet pipe is further arranged in the draining area, the upper end of the slag basket penetrates through the draining plate, and the lower end of the slag basket is communicated with a water outlet pipeline. The water tank type cleaning machine is a pipeline-free system, and a water pump system of the water tank type cleaning machine is required to be arranged in a water draining cavity. The distance between the suction inlet of the water pump and the cleaning liquid level is usually smaller than 20mm, and in the cleaning process, a large amount of foam is generated for egg pollutants, and the mixture of the foam and water is easily sucked into the water pump due to the fact that the distance between the suction inlet of the water pump and the cleaning liquid level is too small, so that the load of the water pump contains a large amount of bubbles, the power of the water pump is reduced, the flow lift of a spray arm is greatly reduced, and finally the water pump cannot be effectively cleaned. Meanwhile, bubbles are sucked into the water pump, so that abnormal sound of the water pump can be caused, and cleaning experience is greatly influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a cleaning machine capable of reducing the water absorption flow rate at the water absorption port of a water pump so as to improve the operation efficiency of a water pump assembly.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cleaning machine, including the inside box that is formed with the washing chamber, the box bottom is formed with the concave part down, concave part department covers has the waterlogging caused by excessive rainfall board the same with concave part shape down, offer a plurality of waterlogging caused by excessive rainfall holes that are used for the waterlogging caused by excessive rainfall on the waterlogging caused by excessive rainfall board, the space between concave part and the waterlogging caused by excessive rainfall board forms the waterlogging caused by excessive rainfall region, be equipped with the water pump subassembly that goes out this waterlogging caused by excessive rainfall region's water pump to the waterlogging caused by excessive rainfall board top in this waterlogging caused by excessive rainfall region, this water pump subassembly is including the spiral case that has the water inlet, the impeller subassembly of setting in the spiral case, its characterized in that: the water inlet of the volute is positioned in the middle of the water filtering area, and a buffer water guide plate is further arranged in the water filtering area and surrounds the periphery of the water inlet of the volute and is used for guiding water in the water filtering area to the water inlet of the volute.

As an improvement, the buffer water guide plate is annular.

The inner periphery of the buffer water guide plate may be directly connected to the scroll case, and the buffer water guide plate may be directly formed on the scroll case.

The water inlet on the volute is arranged at the lower side of the volute; the lower side of the buffering water guide plate is flush with a water inlet on the volute.

The buffer groove protruding upwards is formed in the draining plate, so that when cleaning water in the washing cavity enters the draining area after passing through the draining plate, due to the arrangement of the buffer groove, a place with a fast flow speed of backwater can play a role in stabilizing flow through the buffer groove, the flow speed of water entering a water inlet of the water pump assembly is further reduced, and foaming materials are further prevented from entering the water pump assembly.

Preferably, the buffer groove is annular.

The buffer grooves can also be arc-shaped, and are provided with a plurality of arc-shaped buffer grooves which are circumferentially arranged.

Taking the center of the water pump assembly as an inward direction and the center of the water pump assembly as an outward direction; the width of the buffering water guide plate meets the following conditions: the outer edge of the buffer water guide plate reaches or exceeds the position corresponding to the inner edge of the buffer groove.

The draining area is also internally provided with a slag basket communicated with the water outlet pipe, the upper end of the slag basket penetrates through the draining plate, and the lower end of the slag basket is communicated with a draining pipeline of the cleaning machine.

The cross section of the slag basket is arc-shaped.

Compared with the prior art, the utility model has the advantages that: through set up buffering water guide plate at the periphery of the water inlet of spiral case, this buffering water guide plate can be used for leading the water inlet of spiral case in the drainage region to furthest reduces the water velocity that gets into the water pump assembly water inlet, promotes the water flow homogeneity that gets into the water pump assembly water inlet, thereby effectively solves the problem of water pump power reduction.

Drawings

Fig. 1 is a top view of a tank and associated components of a cleaning machine in accordance with an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a tank and associated components of a cleaning machine in accordance with an embodiment of the present utility model.

FIG. 3 is a schematic view of a water pump assembly and a drain pan according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a draining board according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

The cleaning machine shown in fig. 1 and 2 comprises a box body 1 with a cleaning cavity formed therein, a lower concave part 11 is formed at the bottom of the box body, a draining plate 2 with the shape identical to that of the lower concave part is covered at the lower concave part 11, a plurality of densely distributed draining holes for draining are formed on the draining plate 2, a draining area 12 is formed in a space between the lower concave part 11 and the draining plate 2, a water pump assembly 3 for pumping water in the draining area 12 to the upper part of the draining plate 2 is arranged in the draining area 12, the water pump assembly 3 comprises a volute 31 with a water inlet 311, an impeller assembly 32 arranged in the volute, a driving motor 33 for driving the impeller assembly 32 to rotate is arranged at the lower side of the box body 1, and a spray arm 6 communicated with the water pump assembly 3 is arranged above the draining plate 2 in the box body; the draining area 12 is located at the center of the bottom of the tank, the water pump assembly 3 is located at the middle of the draining area 12, the water inlet 311 of the volute 31 is located at the bottom of the volute 31 and at the center of the water filtering area 12, the water filtering area 12 is further provided with a buffer water guide plate 4, and the buffer water guide plate 4 surrounds the periphery of the water inlet 311 of the volute 31 and is used for guiding water in the water filtering area 12 to the water inlet 311 of the volute 31.

In this embodiment, the buffer water guide plate 4 is annular and is directly integrally formed with the volute 31, and the lower side of the buffer water guide plate 4 is flush with the water inlet 311 on the volute 31, as shown in fig. 2. The draining board 2 is provided with a plurality of upwards-protruding buffer grooves 21, wherein the buffer grooves 21 are arc-shaped, three buffer grooves 21 are circumferentially arranged in this embodiment, and the direction facing the center of the water pump assembly is an inward direction and the direction far away from the center of the water pump assembly is an outward direction, as shown in fig. 3; the width of the buffer water guide plate 4 satisfies: the outer edge of the buffer water guide plate 4 reaches or exceeds the corresponding position of the inner edge of the buffer groove 21. Still be equipped with the sediment basket 5 with outlet pipe intercommunication in the waterlogging caused by excessive rainfall area 12, the upper end of sediment basket 5 passes waterlogging caused by excessive rainfall board 2, the lower extreme of sediment basket and the drain pipe intercommunication of cleaning machine, the transversal arc of sediment basket 5 is personally submitted, sediment basket 5 and three arc dashing groove 21 are the circumference and arrange.

In the embodiment, a circle of buffer water guide plates 4 are distributed on the outer circumference of the water suction port of the water pump assembly, so that the uniformity of water suction of the water suction port can be improved to the maximum extent, and the water suction flow rate at the water suction port can be reduced; meanwhile, the buffer groove 21 matched with the buffer water guide plate 4 in position is formed in the draining plate, the buffer groove 21 can play a good role in stabilizing flow at the place where the water return flow speed of the draining plate is high, and meanwhile, the water pump assembly is located in the middle of the draining area 12, so that the water return efficiency of the draining area 12 is highest. Through the test, the structure in this embodiment can effectively solve the problem that the water pump falls power.

Claims

1. The utility model provides a cleaning machine, including the inside box that is formed with the washing chamber, the box bottom is formed with the concave part down, concave part department covers has the waterlogging caused by excessive rainfall board the same with concave part shape down, offer a plurality of waterlogging caused by excessive rainfall holes that are used for the waterlogging caused by excessive rainfall on the waterlogging caused by excessive rainfall board, the space between concave part and the waterlogging caused by excessive rainfall board forms the waterlogging caused by excessive rainfall region, be equipped with the water pump subassembly that goes out this waterlogging caused by excessive rainfall region's water pump to the waterlogging caused by excessive rainfall board top in this waterlogging caused by excessive rainfall region, this water pump subassembly is including the spiral case that has the water inlet, the impeller subassembly of setting in the spiral case, its characterized in that: the water inlet of the volute is positioned in the middle of the water filtering area, and a buffer water guide plate is further arranged in the water filtering area and surrounds the periphery of the water inlet of the volute and is used for guiding water in the water filtering area to the water inlet of the volute.

2. The cleaning machine of claim 1, wherein: the buffer water guide plate is annular.

3. The cleaning machine of claim 2, wherein: the inner periphery of the buffer water guide plate is connected with the volute, or the buffer water guide plate is directly formed on the volute.

4. A cleaning machine as claimed in claim 3, wherein: the water inlet on the volute is arranged at the lower side of the volute; the lower side of the buffering water guide plate is flush with a water inlet on the volute.

5. The cleaning machine of claim 1 or 2 or 3 or 4, wherein: and a buffer groove which protrudes upwards is formed on the draining plate.

6. The cleaning machine of claim 5, wherein: the buffer groove is in an annular arrangement.

7. The cleaning machine of claim 5, wherein: the buffer tank is the arc setting, and is equipped with a plurality of, and a plurality of arc buffer tanks are the circumference and arrange.

8. The cleaning machine of claim 5, wherein: taking the center of the water pump assembly as an inward direction and the center of the water pump assembly as an outward direction; the width of the buffering water guide plate meets the following conditions: the outer edge of the buffer water guide plate reaches or exceeds the position corresponding to the inner edge of the buffer groove.

9. The cleaning machine of claim 1, wherein: the draining area is also internally provided with a slag basket communicated with the water outlet pipe, the upper end of the slag basket penetrates through the draining plate, and the lower end of the slag basket is communicated with a draining pipeline of the cleaning machine.

10. The cleaning machine of claim 9, wherein: the cross section of the slag basket is arc-shaped.