CN216984847U

CN216984847U - Airflow guide piece for cleaning machine and cleaning machine

Info

Publication number: CN216984847U
Application number: CN202220209950.5U
Authority: CN
Inventors: 赵书瀚
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-19
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to an airflow guide piece used on a cleaning machine and the cleaning machine, wherein the airflow guide piece comprises a plate body, and an air inlet hole penetrating through the wall thickness of the plate body is formed in the plate body; and a baffle plate which extends towards the air inlet and partially shields the air inlet is arranged on the wall surface of the plate body. According to the utility model, the baffle plate is arranged on the plate body, and the baffle plate partially shields the air inlet hole, so that the flow area of the air passing through the air inlet hole is reduced, the flow speed is increased, the flow path of the air is prolonged, and more objects can be contacted.

Description

Airflow guide piece for cleaning machine and cleaning machine

Technical Field

The utility model relates to a kitchen appliance, in particular to an airflow guide piece used on a cleaning machine and the cleaning machine.

Background

The dish washer is a household appliance for automatically washing tableware, is popular with consumers, but after the dish washer is used for washing, more residual water is left in the inner container and on the tableware, and the residual water is dried through the residual heat of the inner container and the tableware. But because the inner bag residual water is more, the inner bag cooling is very fast, causes the waste heat of inner bag to be not enough to evaporate the residual water for the inner bag still has more water in a very long period of time after having washed the bowl, under the long-time tight circumstances of the dishwasher door body, peculiar smell can be heavier in the dishwasher, and breed the bacterium easily.

To the above-mentioned problem, chinese utility model patent that patent number is CN201820319612.0 (publication number is CN208958049U) discloses a drying system of dish washer, including inner bag and respirator, the respirator sets up outside the inner bag, and the respirator is equipped with exhaust passage, inside and outside exhaust passage intercommunication inner bag, still include hot-blast generating device, hot-blast generating device is equipped with hot-blast output end, hot-blast output end and the inside intercommunication of inner bag, the inner bag corresponds hot-blast output end and is equipped with the wind channel nut, the wind channel nut is fixed hot-blast output end and inner bag wall, the wind channel nut is equipped with the hole site, hole site and the inside and hot-blast output end intercommunication of inner bag, the hole site includes centre bore and peripheral hole, and the annular equipartition of peripheral hole is peripheral at the centre bore.

However, the sectional area of the air outlet of the air duct nut (hereinafter referred to as the airflow guide member) is large, so that the flow speed is slow, the airflow path is short, and the part of the liner far away from the air duct nut cannot be dried; although the air flow is dispersed by the hole positions of the air duct nut when passing through the air duct nut, the air duct nut mainly plays a role in dispersing the air flow and has a limited guiding effect on the air flow, so that the air flow enters the inner container and is disorderly in the rear direction, and the overall drying effect in the inner container is to be further improved.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide an airflow guide capable of increasing the flow rate of gas in view of the current state of the prior art.

The second technical problem to be solved by the present invention is to provide a cleaning machine using the airflow guide in view of the current state of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: an airflow guide piece comprises a plate body, wherein an air inlet hole penetrating through the wall thickness of the plate body is formed in the plate body; the air conditioner is characterized in that a baffle plate which extends towards the air inlet and partially shields the air inlet is arranged on the wall surface of the plate body.

Preferably, at least the part of the baffle plate covering the air inlet hole is of an arc structure which is arched towards the direction far away from the air inlet hole. This reduces the energy loss of the air flow passing therethrough.

In order to guide the airflow, the air inlet is divided into a first area and a second area, the first area is shielded by the baffle, a drainage plate is arranged in the second area, the free end of the drainage plate extends to the first area, and a space is reserved between the drainage plate and the baffle. Thus, the air flow moves along the flow guide plate, and the flow area of the air flow at the air inlet is further reduced by the design of the flow guide plate, so that the flow speed of the air flow is further increased, and the flow path is longer.

In order to further reduce the energy loss when the air flow passes through, the flow guide plate comprises a first part in the first area and a second part in the second area, and the first part is in an arc shape which is arched towards the baffle.

Preferably, a plurality of flow guide strips are arranged on the second part along the circumferential direction of the air inlet, each flow guide strip extends along the flowing direction of the air flow, and the flow guide strips are positioned at the downstream of the first part. Like this the air current can remove along the water conservancy diversion strip that extends to the equidirectional not, and the water conservancy diversion strip plays the effect of rectification and drainage, and the air current removes in order and can flow scattered towards a plurality of directions, if the air current is the hot gas flow, can dry the object by a large scale.

In the above scheme, in order to achieve the best fit between the baffle plate and the flow guide plate, the periphery of the baffle plate includes a first side edge connected to the plate body and a second side edge facing the air inlet, the periphery of the flow guide plate includes a third side edge connected to the plate body and a fourth side edge facing the air inlet, the first side edge and the third side edge are arranged opposite to each other in the circumferential direction of the air inlet, the first side edge is located in the first area, the third side edge is located in the second area, and the fourth side edge extends into the first area.

In order to facilitate the positioning of the airflow guide on other components, the plate body is provided with an annular body surrounding the periphery of the air inlet, the annular body and the baffle plate are respectively arranged on two opposite wall surfaces of the plate body, and the outer wall surface of the annular body is provided with a thread part. The airflow guide piece is installed on other parts through the threaded connection of the threaded part and other parts.

Preferably, the peripheral edge of the plate body is formed with an annular portion extending in the axial direction thereof, the annular portion being located on the outer periphery of the annular body. The above-mentioned member screwed with the screw portion is defined as a first member, and the annular portion is designed so as to press the second member against the first member.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: a cleaning machine is characterized in that: the plate body is positioned in the washing cavity, the air inlet on the plate body can be in fluid communication with the air inlet on the liner, and the flow area of the air inlet shielded by the baffle is smaller than that of the air inlet.

In order to enable the air flow to the lower portion of the washing chamber, the baffle shields the upper portion of the air intake hole in a state where the plate body is positioned in the washing chamber. The airflow can flow downwards after entering the air inlet, and can move downwards for a larger distance due to the increase of the flow rate of the air, and can move to the position below the washing cavity under the condition that the airflow is hot airflow, and meanwhile, the tableware in the washing cavity can be comprehensively dried due to the characteristic that the airflow can flow upwards.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the baffle is arranged on the plate body, and the baffle shields the local part of the air inlet hole, so that the flow area of the air passing through the air inlet hole is reduced, the flow speed is increased, the flow path of the air is prolonged, and more objects can be contacted; when the airflow guide piece is applied to the cleaning machine, because the flow path of the air is prolonged, the airflow guide piece can be in large-area contact with the inner container and the tableware in the inner container, if the airflow is hot airflow, residual water in the inner container and on the tableware can be dried, and because the flow rate of the airflow is increased, the drying effect can also be improved.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the chassis of FIG. 1 with the chassis removed;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an exploded view of FIG. 2;

FIG. 5 is a schematic view of the airflow guide and heating assembly of FIG. 1;

FIG. 6 is a schematic view of the structure of FIG. 5 in another direction;

FIG. 7 is an exploded view of FIG. 5;

FIG. 8 is a schematic view of the airflow director of FIG. 5;

FIG. 9 is a schematic view of the structure of FIG. 8 in another direction;

fig. 10 is a cross-sectional view of fig. 8.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 3, the cleaning machine of the preferred embodiment includes an inner container 1 and an airflow guide 2, the inner container 1 has a washing chamber 11 therein, the inner container 1 is provided with an air inlet 12 in fluid communication with the washing chamber 11, the airflow guide 2 includes a plate body 21, the plate body 21 is provided with an air inlet 22 penetrating the wall thickness thereof, the plate body 21 is located in the washing chamber 11, and the air inlet 22 of the plate body 21 can be in fluid communication with the air inlet 12 of the inner container 1. Thus, the airflow entering from the air inlet 12 on the inner container 1 enters the washing chamber 11 through the air inlet 22, wherein the airflow can be normal temperature airflow, ventilation or other functions for the inside of the washing chamber 11, or hot airflow for drying the tableware in the washing chamber 11.

The air flow of the embodiment is hot air flow, so the cleaning machine of the embodiment further comprises a heating component 3 capable of generating hot air flow, and if the required air flow is normal temperature air flow, the heating component 3 is not required to be designed.

As shown in fig. 1 to 7, the heating assembly 3 includes a housing 31, a blower 32 and a heating element 33, the housing 31 has an airflow channel 34 therein, the housing 31 is provided with an air outlet 35 in fluid communication with the airflow channel 34, the blower 32 has an air inlet 321 and an air outlet 322, the air inlet 321 of the blower 32 is in fluid communication with the outside, the air outlet 322 of the blower 32 is in fluid communication with the airflow channel 34 of the housing 31, the heating element 33 is disposed in the airflow channel 34, and the heating element 33 may be a PTC resistance heating element or other heating elements.

The shell 31 is positioned outside the inner container 1 and is installed on the side wall of the inner container 1, the air inlet 12 on the inner container 1 corresponds to and is in fluid communication with the air outlet 35 on the shell 31, the plate body 21 is positioned in the inner container 1, and the air inlet 22 on the plate body 21 corresponds to the air inlet 12.

In order to realize the positioning of the airflow guide 2, the liner 1 and the housing 31, as shown in fig. 3 and 10, the plate body 21 is provided with an annular body 23 surrounding the periphery of the air inlet 22, the outer wall surface of the annular body 23 is provided with a thread portion 231, and the annular body 23 passes through the air inlet 12 and is in threaded connection with the air outlet 35; the periphery of the plate body 21 is extended along the axial direction to form an annular part 24, the annular part 24 is positioned on the periphery of the annular body 23, the annular part 24 can press the side wall of the inner container 1 against the shell 31 under the state that the annular body 23 is screwed with the shell 31, and the gasket 12 can be designed between the inner container 1 and the shell 31 to prevent the hard contact between the two and play a role of sealing.

As shown in fig. 8 to 10, the baffle 25 extending toward the air inlet 22 and partially shielding the air inlet 22 is disposed on the wall surface of the plate body 21, in this embodiment, the baffle 25 and the annular body 23 are respectively disposed on two opposite wall surfaces of the plate body 21, that is, the baffle 25 is disposed on the wall surface of the plate body 21 away from the airflow channel 34 of the housing 31, and a portion of the baffle 25 covering at least the air inlet 22 is an arc-shaped structure that is arched in a direction away from the air inlet 22, so that energy loss when the airflow flows through can be reduced, and of course, the baffle 25 may be integrally designed into an arc-shaped structure. As can be seen from the foregoing description, the air outlet 35 on the casing 31, the air inlet 12 on the liner 1, and the air inlet 22 on the plate 21 are sequentially disposed and communicated with each other, and the baffle 25 partially shields the air inlet 22, so that the flow area of the air inlet 22 shielded by the baffle 25 is smaller than that of the air inlet 12. The flow area refers to the area through which the corresponding hole/port can flow air, and the larger the flow area is, the larger the air flow is; the smaller the flow area, the smaller the air flow.

The inlet port 22 divide into first region and second area, and first region is shielded by baffle 25, is equipped with the drainage plate 26 in the second area, and the free end of drainage plate 26 extends to first region, and baffle 25 and drainage plate 26 are partial overlapping in the axial of inlet port 22 promptly, and have the interval between drainage plate 26 and the baffle 25. The airflow will thus move along the flow guide plate 26, the flow path being shown by the arrows in fig. 10, and the design of the flow guide plate 26 further reduces the flow area of the airflow at the air inlet aperture 22, so that the flow rate of the airflow is further increased, and the flow path is longer.

As shown in fig. 3, the baffle 25 shields the upper portions of the air intake holes 22 in a state where the airflow guide 2 is positioned with respect to the inner container 1 and the housing 31. This allows the airflow to flow downwardly into the inlet vents 22 and also to travel a greater distance downwardly due to the increased velocity of the airflow, and also to dry the dishes in the washing chamber 11 in an overall manner due to the upwardly flowing nature of the airflow.

In this embodiment, the flow guide plate 26 includes a first portion 261 in the first region and a second portion 262 in the second region, the first portion 261 having an arc shape that arches toward the baffle 25 to reduce energy loss from the airflow. The second portion 262 is provided with a plurality of flow guide strips 2621 along the circumferential direction of the air inlet 22, each flow guide strip 2621 extends along the flowing direction of the air flow, and the flow guide strips 2621 are located at the downstream of the first portion 261. Like this the air current can be along the effect of rectification and drainage along the water conservancy diversion strip 2621 removal that extends to the equidirectional difference, water conservancy diversion strip 2621, and the air current removes in order and can flow towards a plurality of directions and scatter, and large tracts of land is dried the object.

The periphery of the baffle 25 includes a first side 251 connected to the plate body 21 and a second side 252 opposite to the air inlet 22, the periphery of the flow guide plate 26 includes a third side 263 connected to the plate body 21 and a fourth side 264 opposite to the air inlet 22, the first side 251 and the third side 263 are oppositely disposed in the circumferential direction of the air inlet 22, the first side 251 is located in the first region, the third side 263 is located in the second region, and the fourth side 264 extends into the first region. Thus, the baffle 25 and the flow guide plate 26 can be optimally matched to guide and rectify the air flow.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions, which are hereinafter collectively referred to as a first portion and a second portion, respectively, in which a fluid gas, a liquid, or a mixture of both, can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a conduit, a channel, a conduit, a flow guide, a hole, a groove, a fluid passage, a chamber allowing a fluid to flow therethrough, or a combination thereof.

Claims

1. An airflow guide piece comprises a plate body (21), wherein an air inlet hole (22) penetrating through the wall thickness of the plate body (21) is formed in the plate body (21); the air-permeable plate is characterized in that a baffle plate (25) which extends towards the air inlet hole (22) and partially shields the air inlet hole (22) is arranged on the wall surface of the plate body (21).

2. The airflow guide of claim 1, wherein: at least the part of the baffle (25) covering the air inlet hole (22) is of an arc structure which is arched towards the direction far away from the air inlet hole (22).

3. The airflow guide of claim 1, wherein: the air inlet holes (22) are divided into a first area and a second area, the first area is shielded by a baffle (25), a flow guide plate (26) is arranged in the second area, the free end of the flow guide plate (26) extends to the first area, and a space is reserved between the flow guide plate (26) and the baffle (25).

4. An airflow guide according to claim 3, wherein: the flow-guide plate (26) comprises a first portion (261) in the first region and a second portion (262) in the second region, the first portion (261) having an arc shape that arches towards the baffle (25).

5. The airflow guide of claim 4, wherein: a plurality of flow guide strips (2621) are arranged on the second part (262) along the circumferential direction of the air inlet holes (22), each flow guide strip (2621) extends along the flowing direction of the air flow, and the flow guide strips (2621) are positioned at the downstream of the first part (261).

6. An airflow guide according to claim 3, wherein: the periphery of the baffle plate (25) comprises a first side edge (251) connected with the plate body (21) and a second side edge (252) opposite to the air inlet hole (22), the periphery of the flow guide plate (26) comprises a third side edge (263) connected with the plate body (21) and a fourth side edge (264) opposite to the air inlet hole (22), the first side edge (251) and the third side edge (263) are oppositely arranged in the circumferential direction of the air inlet hole (22), the first side edge (251) is located in a first area, the third side edge (263) is located in a second area, and the fourth side edge (264) extends into the first area.

7. An airflow guide according to any one of claims 1 to 6, wherein: the air inlet structure is characterized in that an annular body (23) surrounding the periphery of the air inlet hole (22) is arranged on the plate body (21), the annular body (23) and the baffle plate (25) are respectively arranged on two opposite wall surfaces of the plate body (21), and a thread part is arranged on the outer wall surface of the annular body (23).

8. The airflow guide of claim 7, wherein: the periphery of the plate body (21) extends along the axial direction thereof to form an annular part (24), and the annular part (24) is positioned on the outer periphery of the annular body (23).

9. A cleaning machine is characterized in that: the airflow guide piece comprises an inner container (1) and an airflow guide piece as claimed in any one of claims 1 to 8, wherein a washing cavity (11) is formed in the inner container (1), an air inlet (12) in fluid communication with the washing cavity (11) is formed in the inner container (1), a plate body (21) is located in the washing cavity (11), an air inlet (22) in the plate body (21) can be in fluid communication with the air inlet (12) in the inner container (1), and the flow area of the air inlet (22) shielded by a baffle (25) is smaller than that of the air inlet (12).

10. The cleaning machine of claim 9, wherein: the baffle plate (25) shields an upper portion of the air intake hole (22) in a state where the plate body (21) is positioned in the washing chamber (11).