Door body air duct device of dish washing machine

Abstract

The utility model discloses a dish-washing machine door body air duct device which is arranged on a door body of a dish-washing machine, the air duct device comprises a front shell and a rear shell which are spliced and fixed front and back, an air exhaust duct, an air inlet duct and a public channel are formed in a cavity between the front shell and the rear shell, an air inlet fan is arranged in the air exhaust duct, an air exhaust fan is arranged in the air inlet duct, and an air outlet fan is arranged in the public channel. A lower end air inlet of the exhaust air duct and a lower end air outlet of the air inlet duct both communicate with the outer side of the door body, the upper end of the exhaust air duct and the upper end of the air inlet duct both communicate with a public channel, and a public air opening in the upper end of the public channel communicates with the inner side of the door body. A baffle capable of turning left and right and a baffle driving mechanism are arranged at the junction of the upper end of the air exhaust duct and the upper end of the air inlet duct, and the baffle driving mechanism is used for driving the baffle to turn left and right, so that the air exhaust duct and the air inlet duct are selectively communicated with the public channel. The utility model has the characteristics of simple structure, space saving, simplified manufacturing process, easy switching control and the like.

Description

Technical Field

[0001] The utility model relates to a dishwasher, in particular to an air duct device for a dishwasher door. Background Art

[0002] During operation, a dishwasher often involves the functions of inward air intake and outward air exhaust. In existing dishwashers, some air intake mechanisms and exhaust mechanisms are directly arranged on the door body, and their purpose is to facilitate the suction and delivery of air to the front side of the dishwasher. The traditional air intake mechanism and exhaust mechanism are independent of each other. This structure not only occupies more door body space, but also requires two air outlets to be opened on the door body, resulting in complex door body manufacturing process, occupying more space inside the door body, and there are technical problems such as unreasonable air duct setting. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a dishwasher door air duct device which has a simple structure, saves space, simplifies the manufacturing process and is easy to switch and control, in view of the deficiencies of the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions.

[0005] A dishwasher door air duct device is arranged on the door body of the dishwasher, the air duct device includes a front shell and a rear shell that are spliced ​​and fixed together front and back, an exhaust air duct, an air inlet air duct and a common channel are formed in a cavity between the front shell and the rear shell, an air inlet fan is arranged in the exhaust air duct, and an exhaust fan is arranged in the air inlet duct, an air inlet at a lower end of the exhaust air duct and an air outlet at a lower end of the air inlet duct are both connected to the outside of the door body, an upper end of the exhaust air duct and an upper end of the air inlet duct are both connected to the common channel, and the common air outlet at the upper end of the common channel is connected to the inside of the door body, a baffle that can be flipped left and right and a baffle driving mechanism are provided at the junction of the upper end of the exhaust air duct and the upper end of the air inlet duct, and the baffle driving mechanism is used to drive the baffle to flip left and right, so as to selectively connect the exhaust air duct and the air inlet duct to the common channel.

[0006] Preferably, the baffle includes a swivel seat rotatably connected to the front shell and the rear shell, and a plate body located at the edge of the swivel seat and extending outward, and the baffle driving mechanism drives the swivel seat to rotate forward or reversely by a preset angle.

[0007] Preferably, the end surface of the rotating seat is provided with end surface teeth, and the baffle driving mechanism includes a driving motor and a driving gear provided at a driving end of the driving motor, and the driving gear is meshed with the end surface teeth.

[0008] Preferably, an air guide support is included, which is connected to the lower ends of the front shell and the rear shell, and the air guide support includes two air guide channels, which are respectively connected to the lower air inlet of the exhaust duct and the lower air outlet of the air inlet duct.

[0009] Preferably, the lower end of the air guide support is provided with a bent portion bent forward, the front end of the bent portion is provided with a plurality of grid holes, and the plurality of grid holes are arranged at the lower end openings of the two air guide channels.

[0010] Preferably, an inverted "L"-shaped portion is formed at the upper ends of the front shell and the rear shell, and the common air outlet is arranged at the end of the inverted "L"-shaped portion.

[0011] In the dishwasher door air duct device disclosed by the utility model, the exhaust air duct, the air inlet air duct and the common channel are simultaneously arranged in the shell body formed by splicing the front shell and the rear shell. The common channel is used to connect the upper ends of the exhaust air duct and the air inlet air duct with the inner side of the door body. The common channel can take in or out air under different control states. During operation, a control instruction is sent to the baffle driving mechanism so that the baffle driving mechanism drives the baffle to flip to the left or right, thereby controlling the baffle to block the exhaust air duct or the air inlet duct, and the corresponding The air inlet fan or the exhaust fan is controlled to stop, thereby realizing the switching function of selectively connecting the exhaust duct and the air outlet duct. Compared with the prior art, the utility model does not need to arrange independent air inlet mechanisms and air outlet mechanisms in the door body at the same time. The air duct switching can be realized only by reasonably setting the exhaust duct, the air inlet duct, the common channel, the baffle and the baffle driving mechanism. The overall structure is simpler, which can effectively save the internal space of the door body and simplify the manufacturing process of the door body. In addition, the air inlet and outlet switching can be realized with simple command control, so it is easier to perform switching control. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 For dishwasher door body three-dimensional Figure 1 ;

[0013] Figure 2 For dishwasher door body three-dimensional Figure 2 ;

[0014] Figure 3 Internal structure of the air duct device Figure 1 ;

[0015] Figure 4 Internal structure of the air duct device Figure 2 ;

[0016] Figure 5 Flip the bezel for a before and after comparison view. DETAILED DESCRIPTION

[0017] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0018] The utility model discloses a dishwasher door air duct device, combined with Figures 1 to 5 As shown, the air duct device is arranged on the door body 100 of the dishwasher, and the air duct device includes a front shell 1 and a rear shell 2 which are assembled and fixed front and back. An exhaust air duct 3, an air inlet air duct 4 and a common channel 5 are formed in the cavity between the front shell 1 and the rear shell 2. An air inlet fan 30 is arranged in the exhaust air duct 3, and an exhaust air fan 40 is arranged in the air inlet air duct 4. The lower end air inlet of the exhaust air duct 3 and the lower end air outlet of the air inlet air duct 4 are both connected to the outside of the door body 100. The exhaust air duct 3 is provided with an air inlet fan 30, and the exhaust air duct 4 is provided with an exhaust air fan 40. The lower end air inlet of the exhaust air duct 3 and the lower end air outlet of the air inlet air duct 4 are connected to the outside of the door body 100. The upper end of the air duct 3 and the upper end of the air inlet duct 4 are both connected to the common channel 5. The common air outlet 90 at the upper end of the common channel 5 is connected to the inner side of the door body 100. A baffle 6 that can be flipped left and right and a baffle driving mechanism 7 are provided at the junction of the upper end of the exhaust duct 3 and the upper end of the air inlet duct 4. The baffle driving mechanism 7 is used to drive the baffle 6 to flip left and right, thereby selectively connecting the exhaust duct 3 and the air inlet duct 4 to the common channel 5.

[0019] In the above structure, the exhaust air duct 3, the air inlet duct 4 and the common channel 5 are simultaneously arranged in the shell body formed by the splicing of the front shell 1 and the rear shell 2. The common channel 5 is used to connect the upper ends of the exhaust air duct 3 and the air inlet duct 4 with the inner side of the door body 100. The common channel 5 can take in or out air under different control states. During the working process, by sending a control instruction to the baffle driving mechanism 7, the baffle driving mechanism 7 drives the baffle 6 to flip to the left or right, thereby controlling the baffle 6 to block the exhaust air duct 3 or the air inlet duct 4, and controlling the baffle 6 accordingly. The air inlet fan 30 or the exhaust fan 40 stops rotating, thereby realizing the switching function of selectively connecting the exhaust duct and the air outlet duct. Compared with the prior art, the utility model does not need to arrange independent air inlet mechanisms and air outlet mechanisms in the door body 100 at the same time. It is only necessary to reasonably set the exhaust duct 3, the air inlet duct 4, the common channel 5, the baffle 6 and the baffle drive mechanism 7 to realize the air duct switching. The overall structure is simpler, which can effectively save the internal space of the door body and simplify the manufacturing process of the door body. In addition, the air inlet and outlet switching can be realized only by simple command control, so it is easier to perform switching control.

[0020] Regarding the preferred structure of the baffle 6, Figure 2 and Figure 4As shown, the baffle 6 includes a rotating seat 60 rotatably connected to the front shell 1 and the rear shell 2, and a plate body 61 located at the edge of the rotating seat 60 and extending outward, and the rotating seat 60 is driven by the baffle driving mechanism 7 to rotate forward or reversely by a preset angle. The rotating seat 60 is preferably a rotating seat with gears, and the baffle driving mechanism 7 is preferably a motor driving mechanism.

[0021] On this basis, the end face of the rotating seat 60 is provided with end face teeth 62 , and the baffle driving mechanism 7 includes a driving motor 70 and a driving gear 71 provided at the driving end of the driving motor 70 , and the driving gear 71 is meshed with the end face teeth 62 .

[0022] In the above structure, the gear and the end face teeth are meshed with each other, which can not only ensure the reliable transmission of torque, but also realize the precise control of the flipping position of the baffle 6.

[0023] In order to facilitate air suction from the lower end of the air duct device and to send out the internal air, this embodiment includes an air guide support 8, which is connected to the lower ends of the front shell 1 and the rear shell 2, and includes two air guide channels 80, which are respectively connected to the lower air inlet of the exhaust air duct 3 and the lower air outlet of the air inlet duct 4. The air guide support 8 preferably extends to the bottom of the door body 100.

[0024] As a preferred embodiment, the lower end of the air guide support 8 is provided with a bent portion 81 bent forward, and the front end of the bent portion 81 is provided with a plurality of grid holes 82, and the plurality of grid holes 82 are arranged at the lower end openings of the two air guide channels 80. Among them, in this embodiment, the air guide support 8 is preferably set to an L-shaped bent structure, so that the air guide support 8 can not only fit closely with the door body 100, but also absorb or exhaust air to the open space in front of the door body 100.

[0025] Regarding the preferred arrangement of the common air outlet 90, Figures 2 to 4 As shown, an inverted “L”-shaped portion 9 is formed at the upper ends of the front shell 1 and the rear shell 2 , and the common air outlet 90 is provided at the end of the inverted “L”-shaped portion 9 .

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dishwasher door air duct device, arranged on the door (100) of the dishwasher, characterized in that: The air duct device comprises a front shell (1) and a rear shell (2) which are assembled and fixed together front and back; an exhaust air duct (3), an air inlet air duct (4) and a common channel (5) are formed in a cavity between the front shell (1) and the rear shell (2); an air inlet fan (30) is provided in the exhaust air duct (3); an exhaust air fan (40) is provided in the air inlet air duct (4); the lower air inlet of the exhaust air duct (3) and the lower air outlet of the air inlet air duct (4) are both connected to the outside of the door body (100); the upper end and the lower end of the exhaust air duct (3) are connected to the outer side of the door body (100); The upper ends of the air inlet ducts (4) are connected to the common passages (5), and the common air outlets (90) at the upper ends of the common passages (5) are connected to the inner side of the door body (100). A baffle (6) that can be flipped left and right and a baffle driving mechanism (7) are provided at the junction of the upper ends of the exhaust duct (3) and the upper ends of the air inlet duct (4). The baffle driving mechanism (7) is used to drive the baffle (6) to flip left and right, thereby selectively connecting the exhaust duct (3) and the air inlet duct (4) to the common passage (5).

2. The dishwasher door air duct device according to claim 1, characterized in that: The baffle (6) comprises a rotating seat (60) rotatably connected to the front shell (1) and the rear shell (2), and a plate body (61) located at the edge of the rotating seat (60) and extending outward, and the baffle driving mechanism (7) drives the rotating seat (60) to rotate forward or reversely at a preset angle.

3. The dishwasher door air duct device according to claim 2, characterized in that: The end surface of the rotating seat (60) is provided with end surface teeth (62), and the baffle driving mechanism (7) comprises a driving motor (70) and a driving gear (71) provided at the driving end of the driving motor (70), and the driving gear (71) and the end surface teeth (62) are meshed with each other.

4. The dishwasher door air duct device according to claim 1, characterized in that: It includes an air guide support (8), the air guide support (8) is connected to the lower ends of the front shell (1) and the rear shell (2), the air guide support (8) includes two air guide channels (80), and the two air guide channels (80) are respectively connected to the lower end air inlet of the exhaust air duct (3) and the lower end air outlet of the air inlet air duct (4).

5. The dishwasher door air duct device according to claim 4, characterized in that: The lower end of the air guide support (8) is provided with a bent portion (81) bent forward, and the front end of the bent portion (81) is provided with a plurality of grid holes (82), and the plurality of grid holes (82) are arranged at the lower end openings of the two air guide channels (80).

6. The dishwasher door air duct device according to claim 1, characterized in that: An inverted "L"-shaped portion (9) is formed at the upper ends of the front shell (1) and the rear shell (2), and the common air outlet (90) is arranged at the end of the inverted "L"-shaped portion (9).

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