CN216076755U

CN216076755U - Household electrical appliance

Info

Publication number: CN216076755U
Application number: CN202120637095.3U
Authority: CN
Inventors: 张永玮; 谢敏
Original assignee: Suzhou Weichu Intelligent Technology Co ltd
Current assignee: Suzhou Weichu Intelligent Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-03-18
Anticipated expiration: 2031-03-29

Abstract

A household appliance comprises a main body part, a door capable of operating relative to the main body part and a driving device for driving the door to operate. The main body part is provided with an accommodating space, and the driving device comprises a rack arranged on the main body part, a plurality of gears meshed with the rack and a hinge connected between the door and the gears, so that the household appliance is miniaturized, and the kitchen space is saved.

Description

Household electrical appliance

Technical Field

The utility model relates to a household appliance, and belongs to the technical field of appliances.

Background

The occurrence of the dish washing machine greatly reduces the dish washing work and lightens the heavy manual labor. The current working principle of the dish washer on the market is as follows: the tableware and the kitchen ware are washed by water, and the tableware is cleaned by combining the chemical action of a detergent and the function of promoting stain shedding at high temperature. The overwhelmingly dish washer that is mostly in the current market is directly opening the door, and when the dish washer gate was opened, the motion trail of door had taken a large amount of spaces before the dish washer, to the family of kitchen area compactness, directly opened the door and will greatly influence the practical area in kitchen, influence the use and experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a miniaturized household appliance.

In order to achieve the purpose, the utility model adopts the following technical scheme: the household appliance comprises a main body part, a door capable of operating relative to the main body part and a driving device for driving the door to operate, wherein the main body part is provided with an accommodating space, and the driving device comprises a rack arranged on the main body part, a plurality of gears meshed with the rack and a hinge connected between the door and the gears.

Further, the rack is an arc-shaped rack with teeth on both the inner ring and the outer ring.

Further, the door includes a first door and a second door, and the hinge includes a first hinge connected between the first door and the gear and a second hinge connected between the second door and the gear.

Further, the gear comprises a first driving gear meshed with the rack, a transmission gear and a third driving gear meshed with the transmission gear, one end of the first hinge is fixedly connected with the first driving gear, the other end of the first hinge is fixedly connected with the first door, one end of the second hinge is fixedly connected with the third driving gear, and the other end of the second hinge is fixedly connected with the second door.

Further, drive arrangement still includes the lock catch piece, the gear still include with the second drive gear of rack toothing, the one end of lock catch piece with second drive gear fixed connection, the other end with second door buckle is connected.

Furthermore, the lock catch piece is provided with a first lock catch portion, and the second door is provided with a first lock catch groove matched with the first lock catch portion.

Further, the opening of the circular arc of the rack faces the direction away from the door, the first driving gear is meshed with the teeth of the inner ring of the rack, and the second driving gear and the third driving gear are meshed with the teeth of the outer ring of the rack.

Furthermore, the main body part comprises a first side wall and a second side wall which are positioned at two sides of the accommodating space, and the two sets of driving devices are arranged and respectively installed on the first side wall and the second side wall.

Further, in a state where the doors are fully opened, the first door and the second door are moved to below the accommodating space and are all in a horizontal state and overlapped together.

Further, the household appliance is a dishwasher.

Drawings

Fig. 1 is a perspective view illustrating a closed state of a door of a home appliance according to the present invention.

Fig. 2 is a partially exploded perspective view of fig. 1.

Fig. 3 is a further exploded perspective view of fig. 2 with the door removed.

Fig. 4 is a perspective view of another perspective view of fig. 1.

Fig. 5 is a partially exploded perspective view of fig. 4.

Fig. 6 is a perspective view of the door of the electric home appliance of the present invention in a fully opened state.

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. The terms "connect", "install", "fix", and the like in the following description may be directly connected, installed, and fixed, or indirectly connected, installed, and fixed, that is, allowing the intervention of a third party substance, unless otherwise specified. The terms "first," "second," and "third" may be used herein to describe various elements, but these elements are not limited by these terms, which are used merely to distinguish the described objects, not in any sequential or technical sense.

Referring to fig. 1 to 4, a household appliance 100 of the present invention includes a main body 1, a door 2 operably installed with the main body 1, and a driving device 3 for driving the door 2 to operate.

Referring to fig. 2 and 3, the main body 1 includes a top wall 11, a bottom wall 12 opposite to the top wall 11, and a first side wall 13, a second side wall 14, and a third side wall 15 connected between the bottom wall 12 and the top wall 11, wherein the top wall 11, the bottom wall 12, the first side wall 13, the second side wall 14, the third side wall 15, and the door 2 enclose an accommodating space 10.

In the following description, assuming that the direction perpendicular to the top wall 11 and the bottom wall 12 is the up-down direction, the direction perpendicular to the third side wall 15 is the front-rear direction, and the direction perpendicular to the first side wall 13 and the second side wall 14 is the left-right direction, spatially related terms such as "up", "down", "left", "right", "front", "rear", and the like may be used herein to describe the positional relationship between the elements, so that the description of describing the positional relationship of one element with another element becomes simple.

The first side wall 13 and the second side wall 14 are respectively located at left and right sides of the accommodating space 10, the top wall 11 and the bottom wall 12 are respectively located at upper and lower sides of the accommodating space 10, the third side wall 15 is located at a rear side of the accommodating space 10, and the door 2 is located at a front side of the accommodating space 10.

The door 2 includes a first door 21 disposed adjacent to the top wall 11 and a second door 22 disposed adjacent to the bottom wall 12, i.e., the first door 21 is positioned above the second door 22.

Referring to fig. 2 to 4, the driving device 3 includes a first driving gear 31 rotatably mounted on the main body 1, a first hinge 32 connected between the first door 21 and the first driving gear 31, a rack 33 engaged with the first driving gear 31, a second driving gear 34 and a transmission gear 35 engaged with the rack 33, a locking member 36 having one end fixedly connected with the second driving gear 34, a third driving gear 37 engaged with the transmission gear 35, and a second hinge 38 connected between the second door 22 and the third driving gear 37. The rack 33 is a circular arc-shaped rack cut from a cylindrical gear with teeth on both the inner ring and the outer ring, and the opening of the circular arc faces the direction away from the door 2.

The two sets of driving devices 3 are symmetrically arranged on two sides of the accommodating space 10, specifically, one set is arranged on the first side wall 13, and the other set is arranged on the second side wall 14.

The first drive gear 31, the second drive gear 34, the transmission gear 35, and the third drive gear 37 are rotatably mounted to the first sidewall 13 and the second sidewall 14 by a bearing or the like, the first drive gear 31 is engaged with teeth of an inner ring of the rack 33, the second drive gear 34 and the transmission gear 35 are engaged with teeth of an outer ring of the rack 33, and the third drive gear 37 is engaged with the transmission gear 35. In the up-down direction, the second driving gear 34 is located between the first driving gear 31 and the transmission gear 35, one end of the first hinge 32 is fixedly connected with the first driving gear 31, and the other end is fixedly connected with the first door 21; one end of the second hinge 38 is fixedly connected with the second door 22, and the other end is fixedly connected with the third driving gear 37; one end of the locking member 36 is fixedly connected to the second driving gear 34, and the other end is connected to the second door 22 by a snap fit.

The locking member 36 is provided with a first locking portion 361, and correspondingly, the second door 22 is provided with a first locking groove 221 engaged with the first locking portion 361, and the first locking portion 361 is engaged with the first locking groove 221 when the door 2 is closed.

In the disclosed embodiment, the first hinge 32 and the second hinge 38 are configured to securely connect the first hinge 32 and the second hinge 38 to the first door 21 and the second door 22 by interference fit with the slots on the first door 21 and the second door 22. In other embodiments, the connection between the first hinge 32 and the second hinge 38 and the first door 21 and the second door 22 may be any common connection that can be firmly connected together, such as a snap connection, a bolt connection, a screw connection, or a rivet connection.

In the initial state of the household appliance 100, the first door 21 and the second door 22 are in the closed state, and the first locking portion 361 of the locking piece 36 is locked with the first locking groove 221 of the second door 22; in the state that the first door 21 and the second door 22 of the household appliance are completely opened, the first locking portion 361 of the locking member 36 is disengaged from the first locking groove 221 of the second door 22, and the first door 21 and the second door 22 move to below the accommodating space 10 and are in a horizontal state and overlap.

The household appliance 100 of the present invention manually applies force to the first door 21 or the second door 22 by a human hand, so as to drive the gear and rack transmission mechanism of the driving device 3 to operate, and finally drive the door 2 to open or close. The following describes a method for opening the door 2 of the household electrical appliance 100 by taking a manual force applied to the first door 21 as an example, and the method for opening the door 2 by applying a manual force to the second door 22 is similar to the method for opening the door 2 by applying a manual force to the first door 21, and the sequence of the operation of the gear and the rack is changed.

Referring to fig. 1 to 6, in particular, the door opening method of the household appliance 100 of the present invention is as follows: s1: in the initial state, the first door 21 is manually biased to move the first door 21 in a direction away from the accommodating space 10, so that the first hinge 32 is moved; s2: the first hinge 32 rotates counterclockwise to drive the first driving gear 31 to rotate counterclockwise; s3: the first driving gear 31 rotates anticlockwise to drive the rack 33 to rotate anticlockwise; s4: the rack 33 rotates anticlockwise to drive the second driving gear 34 and the transmission gear 35 to rotate clockwise simultaneously; s5: the second driving gear 34 rotates clockwise to drive the locking member 36 to rotate clockwise in a direction away from the second door 22, so that the first locking portion 361 is separated from the first locking groove 221; meanwhile, the transmission gear 35 rotates clockwise to drive the third driving gear 37 to rotate anticlockwise; s6: the third driving gear 37 rotates counterclockwise to drive the second hinge 38 to rotate counterclockwise; s7: the second hinge 38 rotates counterclockwise to drive the second door 22 to move away from the accommodating space 10, and when the first door 21 and the second door 22 move to the right position, the first door 21 and the second door 22 move to the lower side of the accommodating space 10 and are both in a horizontal state, and are overlapped together in the vertical direction.

In the above opening process, the first door 21 and the second door 22 are macroscopically rotated counterclockwise and moved downward at substantially the same time, and finally, in the fully opened state, the first door 21 and the second door 22 are overlapped.

The driving device 3 of the household appliance is of a gear and rack transmission structure, and the first door 21 and the second door 22 are driven to be opened and closed by adopting gears and racks, so that each part of the driving device moves in situ, a large-range moving space does not need to be reserved on the side surface of the household appliance, the space on the side surface of the household appliance is saved to a great extent, and the capacity of the household appliance can be increased under the condition of not increasing the whole volume of the household appliance; meanwhile, the driving device 3 enables the first door 21 and the second door 22 of the household appliance to be positioned below the accommodating space 10 in a fully opened state, to be in a horizontal state and to be overlapped with each other, so that the use space of a kitchen is reduced, and the size of an entrance of the accommodating space 10 is increased; and the driving device 3 adopts a gear and rack transmission structure, so that the structure is simpler, and the household appliance is miniaturized and has a simple structure.

The home appliance 100 of the present invention includes, but is not limited to, a dishwasher, an oven, an electric steamer, a refrigerator, a microwave oven, a sterilizer, etc., or other home appliances 100 having a door 2.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the technical field can still make modifications or equivalent substitutions on the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.

Claims

1. A household appliance, characterized by: the door comprises a main body part, a door capable of operating relative to the main body part and a driving device for driving the door to operate, wherein the main body part is provided with an accommodating space, and the driving device comprises a rack arranged on the main body part, a plurality of gears meshed with the rack and a hinge connected between the door and the gears.

2. The household appliance of claim 1, wherein: the rack is an arc rack with teeth on both the inner ring and the outer ring.

3. The household appliance according to claim 2, wherein: the door includes a first door and a second door, and the hinge includes a first hinge connected between the first door and the gear and a second hinge connected between the second door and the gear.

4. A household appliance as claimed in claim 3, characterized in that: the gear include with rack toothing's first drive gear, drive gear and with drive gear meshing's third drive gear, the one end of first hinge with first drive gear fixed connection, the other end with first door fixed connection, the one end of second hinge with third drive gear fixed connection, the other end with second door fixed connection.

5. The household appliance according to claim 4, wherein: the driving device further comprises a lock catch piece, the gear further comprises a second driving gear meshed with the rack, one end of the lock catch piece is fixedly connected with the second driving gear, and the other end of the lock catch piece is connected with the second door in a buckled mode.

6. The household appliance of claim 5, wherein: the lock catch piece is provided with a first lock catch portion, and the second door is provided with a first lock catch groove matched with the first lock catch portion.

7. The household appliance of claim 6, wherein: the opening of the circular arc of rack is towards keeping away from the direction of door, first drive gear with the tooth meshing of the inner circle of rack, second drive gear and third drive gear with the tooth meshing of the outer lane of rack.

8. The household appliance of claim 7, wherein: the main body part comprises a first side wall and a second side wall which are positioned at two sides of the accommodating space, and the driving devices are arranged in two sets and are respectively arranged on the first side wall and the second side wall.

9. The household appliance of claim 8, wherein: in a state where the doors are fully opened, the first door and the second door are moved to below the accommodating space and are all in a horizontal state and overlapped together.

10. The household appliance of claim 8, wherein: the household appliance is a dishwasher.