CN111839407A

CN111839407A - Manual and automatic switching structure for opening and closing door of dish washing machine and dish washing machine

Info

Publication number: CN111839407A
Application number: CN201910347581.9A
Authority: CN
Inventors: 刘嘉龙; 陈权明; 麦伟添; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-10-30

Abstract

The invention discloses a structure for opening and closing a door and manually and automatically switching the door and the door, which comprises a driving component, a stopping component and a magnetic component, wherein the driving component is fixedly arranged at the bottom of an inner cavity of a bowl machine body; the manual and automatic stable switching is completed by controlling the matching or the separation between the stopping component and the driving component through the current direction change of the magnetic component; the invention also discloses a dishwasher comprising the switching structure. According to the invention, the stop component is arranged between the driving component and the magnetic component, and the separation or the matching between the stop component and the driving component is controlled through the electrification condition of the magnetic component, so that the manual and automatic switching function is realized; the invention has simple structure and good stability and is worth popularizing and using. The invention has simple structure and good stability and is worth popularizing and using.

Description

Manual and automatic switching structure for opening and closing door of dish washing machine and dish washing machine

Technical Field

The invention belongs to the technical field of kitchen appliances, and particularly relates to a manual and automatic switching structure for opening and closing a door of a dish-washing machine and the dish-washing machine.

Background

As a new hot-market product, the dishwasher gradually enters the life of people, the functional requirements of consumers on the dishwasher are stronger than those of other products, and an intelligent operation mode is more required by the market.

The existing embedded cabinet type dish washer has an automatic door opening technology but does not have an automatic door closing technology, and the automatic door opening realizes variable-speed operation of first acceleration and deceleration by the elasticity and the speed inertia of a spring, which easily causes the mutual collision of tableware in the machine and the manufacture of noise; meanwhile, most of the existing dish washing machines cannot realize stable switching between an automatic mode and a manual mode, and during power failure, a drawer type cabinet door needs to be pulled by large force, so that the user operation experience is not strong.

Disclosure of Invention

In view of the above, the main objective of the present invention is to provide a manual and automatic switching structure for opening and closing a door of a dishwasher, which solves the problem in the prior art that the stable switching between the manual mode and the automatic mode cannot be realized.

The invention also provides a dish washing machine, and the manual and automatic switching structure is arranged on the dish washing machine, so that the functions of automatically opening the door, automatically closing the door and switching between the automatic mode and the manual mode of the dish washing machine are effectively realized.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: a manual and automatic switching structure for opening and closing a door of a dish washing machine comprises a driving assembly, a stopping assembly and a magnetic assembly, wherein the driving assembly is fixedly arranged at the bottom of an inner cavity of a bowl machine body; the manual and automatic switching is completed by controlling the separation or the matching between the stop component and the driving component through the electrification condition of the magnetic component.

Preferably, the driving assembly comprises a driving motor, a gear, a rack and a gear supporting plate arranged at the bottom of the inner cavity of the dishwasher body, the gear is arranged on an output shaft of the driving motor and meshed with the rack, and the rack is arranged in the gear supporting plate.

Preferably, the bottom of the inner cavity of the dishwasher body is also provided with a fixed cover, and the driving motor is arranged in the fixed cover.

Preferably, the stop assembly comprises a first stop member and a second stop member, the first stop member is arranged on the rack in the driving assembly, and the second stop member is arranged on the magnetic assembly.

Preferably, the magnetic assembly comprises a magnet frame, an upper magnet and a lower magnet which are arranged in the magnet frame, and the upper magnet and the lower magnet are respectively connected with a power supply; the second stop member is fixedly arranged on the upper magnet.

Preferably, the first stop member is a stop hole, the second stop member is a stop rod, the stop hole is formed in the end portion of the rack, and the stop rod is arranged on the upper magnet.

The other technical scheme of the invention is realized as follows: the utility model provides a dish washer, includes dish washer body, the door body, cavity and foretell manual, automatic switch-over structure, place in the cavity in the dish washer body, the door body and cavity rigid connection, manual, automatic switch-over structure sets up between the bottom plate of cavity and dish washer body in dish washer body (4).

Preferably, the gear supporting plate in the manual and automatic switching structure is fixedly arranged at the bottom of the cavity, and the magnet frame in the manual and automatic switching structure is fixedly arranged on the bottom plate in the bowl machine body.

Preferably, the dishwasher body is further provided with two guide rails for the cavity to slide back and forth, and the two guide rails are respectively symmetrically arranged on the inner walls of the two sides of the dishwasher body and are matched and connected with the cavity.

Compared with the prior art, the manual and automatic switching function is realized by arranging the stop component between the driving component and the magnetic component and controlling the separation or the matching between the stop component and the driving component according to the electrification condition of the magnetic component; the invention has simple structure and good stability and is worth popularizing and using.

Drawings

FIG. 1 is a schematic structural diagram of a manual and automatic switching structure for opening and closing a door of a dishwasher according to embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a driving assembly in a manual and automatic switching structure for opening and closing a door of a dishwasher according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural diagram of a magnetic assembly in a manual and automatic switching structure for opening and closing a door of a dishwasher according to embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of a dishwasher according to embodiment 2 of the present invention.

The dishwasher comprises a driving assembly 1, a driving motor 11, a gear 12, a gear 13, a rack 14, a gear supporting plate 2, a stop assembly 21, a first stop member 22, a second stop member 3, a magnetic assembly 31, a magnet frame 32, an upper magnet 33, a lower magnet 4, a dishwasher body 5, a cavity 6, a bottom plate 7 and a guide rail 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.

The structure of the manual and automatic switching structure for opening and closing the door of the dish washing machine provided by the embodiment 1 of the invention comprises a driving component 1, a stopping component 2 and a magnetic component 3, wherein the driving component 1 is fixedly arranged at the bottom of a cavity 5 in a dish machine body 4, the magnetic component 3 is fixedly arranged on a bottom plate 6 in the dish machine body 4, the driving component 1 is connected with the magnetic component 3 through the stopping component 2, and the magnetic component 3 is also connected with a power supply; in the structure, the stop component 2 is arranged between the driving component 1 and the magnetic component 4, and the separation or the matching between the stop component 2 and the driving component 1 is controlled through the electrification condition of the magnetic component 3, so that the manual and automatic switching function is realized.

Further, the driving assembly 1 comprises a driving motor 11, a gear 12, a rack 13, a gear supporting plate 14 and a driving motor fixing cover 15, wherein the gear supporting plate 14 and the driving motor fixing cover 15 are arranged at the bottom of the cavity 5 in the dishwasher body 4; note here that in the manual mode, the drive motor drives the rack 13 via the gear 12 to move back and forth within the rack tray 14, and in the automatic mode, the rack 13 does not move within the rack tray 14.

Further, the stop assembly 2 comprises a first stop member 21 and a second stop member 22, the first stop member 21 is arranged on the rack 13 in the driving assembly 1, and the second stop member 22 is arranged on the magnetic assembly 3; note here that, in the manual mode, the first and

second stopper members

21, 22 are not fit-connected; in the automatic mode, the first stop member 21 and the second stop member 22 are connected in a fitting manner.

Further, the magnetic assembly 3 comprises a magnet frame 31, an upper magnet 32 and a lower magnet 33 arranged in the magnet frame 31, wherein the upper magnet 32 and the lower magnet 33 are respectively connected with a power supply; the second stop member 22 is fixedly arranged on the upper magnet 32; by fixing the second stopper 22 to the upper magnet 32, the upper magnet 32 and the lower magnet 33 do not have electrodes in the initial state or the power-off state, the upper magnet 32 slides freely in the magnet frame 31 under the influence of gravity, and the second stopper 22 is separated from the first stopper 21; at this time, the manual door opening and closing operation can be realized in this state.

Further, the first stop member 21 is a stop hole, the second stop member 22 is a stop rod, the stop hole is arranged at the end of the rack 13, and the stop rod is arranged on the upper magnet 32; by fixedly arranging the stop hole at the end part of the rack 13, under the condition of starting the door opening function in the automatic mode, the upper magnet 32 and the lower magnet 33 are provided with opposite electrodes and are influenced by magnetic force, the stop rod moves upwards to be matched with the stop hole, so that the movement of the rack 13 in the rack supporting plate 14 is limited, at the moment, the driving motor 11 drives the gear 12 to rotate, the rack 13 does not move, and the forward operation of the cavity 5 is realized; in addition, the door closing function in the automatic mode is started only by changing the rotation direction of the gear 12.

The application principle of the manual and automatic switching structure for opening and closing the door of the dish-washing machine provided by the embodiment 1 of the invention is as follows:

1) when in the initial state or the power-off state, the upper magnet 32 and the lower magnet 33 do not have electrodes, the upper magnet 32 freely slides down in the magnet frame 31 under the influence of gravity, and the stop rod is separated from the stop hole; at this time, this state can realize the manual door opening and closing operation, the cavity 5 inside the dishwasher body 4 moves on the guide rail 7 (not mentioned in embodiment 1), and the components including the driving motor 11, the gear 12 and the rack 13 also move along with the cavity 5.

2) When the door is opened in the automatic mode, if the manual interference accelerates the movement of the cavity 5, the rotation torque of the driving motor 11 is suddenly increased, a signal is fed back to a program system (the motor has a self-carrying function), at the moment, the system cuts off the current connected with the magnet, no electricity exists between the upper magnet 32 and the lower magnet 33, the upper magnet 32 falls off, and the stop rod is separated from the stop hole; at the moment, the system gives a reverse current to the motor, the gear 12 moves in the reverse direction to reset the rack 13, and meanwhile, the gear 12 and the rack 13 move forwards together, so that the switching between the automatic mode and the manual mode is realized, the door closing movement in the automatic mode is artificially interfered, and the reason is also the same; in addition, when the door is switched to the manual mode in the door opening state due to human interference, the automatic mode can be switched again only by manually closing the door.

The manual and automatic switching structure for opening and closing the door of the dish-washing machine provided by the embodiment 1 of the invention also has the function of automatically opening or closing the door, and the principle is as follows:

when the door opening function in the automatic mode is started, the upper magnet 32 and the lower magnet 33 are provided with opposite electrodes and are influenced by magnetic force, the stop rod moves upwards to be matched with the stop hole, so that the movement of the rack 13 in the rack supporting plate 14 is limited, at the moment, the driving motor 11 drives the gear 12 to rotate, the rack 13 does not move, and the forward operation of the cavity 5 is realized; in addition, the door closing function in the automatic mode is started only by changing the rotation direction of the gear 12.

The embodiment 2 of the invention provides a dish washing machine, which comprises a dish washing machine body 4, a door body, a cavity 5 and a manual and automatic switching structure as described in the embodiment 1, wherein the cavity 5 is arranged in the dish washing machine body 4, the door body is rigidly connected with the cavity 5, and the manual and automatic switching structure is arranged between the cavity 5 in the dish washing machine body 4 and a bottom plate 6 of the dish washing machine body 4 and is used for completing door opening and closing and manual and automatic switching; the manual and automatic switching structure of the embodiment 1 is arranged on the dishwasher, so that the functions of automatic door opening, automatic door closing and mutual switching between the automatic mode and the manual mode of the dishwasher are effectively realized.

Further, the gear supporting plate 14 in the manual and automatic switching structure is fixedly arranged at the bottom of the cavity 5, and the magnet frame 31 in the manual and automatic switching structure is fixedly arranged on the bottom plate 6 in the bowl machine body 4.

Furthermore, the dishwasher body 4 is also internally provided with two guide rails 7 for the cavity 5 to slide back and forth, and the two guide rails 7 are respectively symmetrically arranged on the inner walls of the two sides of the dishwasher body 4 and are matched and connected with the cavity 5; through set up guide rail 7 on the inner wall of dishwasher body 4 both sides, the effectual stability that increases cavity 5.

By adopting the scheme, compared with the prior art, the first stop piece 21 and the second stop piece 22 are respectively arranged on the driving component 1 and the magnetic component 3, and the switching function between the manual mode and the automatic mode of the dishwasher is effectively realized by depending on the cooperation of the first stop piece 21 and the second stop piece 22; in addition, the invention determines whether the rack 13 moves along with the cavity 5 by adopting the stop motion, which is different from the conventional mode that one of the gear 12 and the rack 13 is fixed and also different from the mutual separation between the gear 12 and the rack 13, thereby well realizing the switching between the manual mode and the automatic mode, and being more stable and efficient; when the rack resetting device is used, when the rack is reset, the moving speed is high, so that the phenomenon that the rack is damaged due to brute force collision is effectively avoided; in addition, the manual and automatic switching structure is arranged on the dish washing machine, so that the function of switching the dish washing machine between the automatic mode and the manual mode is effectively realized; in addition, when the door is used, the function of automatically opening or closing the door can be realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The manual and automatic switching structure for opening and closing the door of the dish washing machine is characterized by comprising a driving component (1), a stopping component (2) and a magnetic component (3), wherein the driving component (1) is fixedly arranged at the bottom of a cavity (5) in a dish machine body (4), the magnetic component (3) is fixedly arranged on a bottom plate (6) in the dish machine body (4), the magnetic component (3) is connected with the stopping component (2), and the magnetic component (3) is further connected with a power supply; the manual and automatic switching is completed by controlling the separation or the matching between the stop component (2) and the driving component (1) through the electrification condition of the magnetic component (3).

2. The structure of claim 1, wherein the driving assembly (1) comprises a driving motor (11), a gear (12), a rack (13) and a gear support plate (14) arranged at the bottom of the inner cavity (5) of the dishwasher body (4), the gear (12) is arranged on the output shaft of the driving motor (11), the gear (12) is engaged with the rack (13), and the rack (13) is arranged in the gear support plate (14).

3. The manual and automatic switching structure for opening and closing the door of the dishwasher according to claim 2, wherein the stop assembly (2) comprises a first stop member (21) and a second stop member (22), the first stop member (21) is disposed on the rack (13) in the driving assembly (1), and the second stop member (22) is disposed on the magnetic assembly (3).

4. The manual and automatic switching structure for opening and closing the door of the dishwasher according to claim 3, wherein the magnetic assembly (3) comprises a magnet frame (31), an upper magnet (32) and a lower magnet (33) arranged in the magnet frame (31), the upper magnet (32) and the lower magnet (33) are respectively connected with a power supply; the second stop piece (22) is fixedly arranged on the upper magnet (32).

5. The structure of claim 4, wherein the first stop member (21) is a stop hole, the second stop member (22) is a stop rod, the stop hole is provided at the end of the rack (13), and the stop rod is provided on the upper magnet (32).

6. A dishwasher, characterized by comprising a dishwasher body (4), a door body, a cavity (5) and the manual and automatic switching structure according to any one of claims 1 to 5, wherein the cavity (5) is arranged in the dishwasher body (4), the door body is rigidly connected with the cavity (5), and the manual and automatic switching structure is arranged between the cavity (5) in the dishwasher body (4) and a bottom plate (6) of the dishwasher body (4).

7. The dishwasher of claim 6, characterized in that the gear supporting plate (14) of the manual and automatic switching structure is fixed at the bottom of the cavity (5), and the magnet frame (31) of the manual and automatic switching structure is fixed on the bottom plate (6) in the dishwasher body (4).

8. The dishwasher of claim 7, characterized in that the dishwasher body (4) is further provided with two guide rails (7) for the cavity (5) to slide back and forth, and the two guide rails (7) are symmetrically arranged on the inner walls of the two sides of the dishwasher body (4) respectively and are in fit connection with the cavity (5).