CN215687615U

CN215687615U - Household electrical appliance

Info

Publication number: CN215687615U
Application number: CN202120635704.1U
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: 2022-02-01
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 part is equipped with accommodation space, drive arrangement including connect the door with hinge between the main part, set up in the rack of main part and with a plurality of gears of rack toothing, the rack is the arc rack for domestic appliance is miniaturized, has saved the kitchen space.

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.

The utility model aims to provide a household appliance which is small in size and simple in structure.

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 moving relative to the main body part and a driving device for driving the door to move, wherein the main body part is provided with an accommodating space, the driving device comprises a hinge connected between the door and the main body part, a rack arranged on the main body part and a plurality of gears meshed with the rack, and the rack is an arc-shaped rack.

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 main body and a second hinge connected between the second door and the main body.

Further, the gears include a first driving gear, a first transmission gear engaged with the first driving gear and the rack, a second transmission gear engaged with the rack, and a third driving gear engaged with the second transmission gear.

Furthermore, one end of the first hinge is fixedly connected with the first door, the other end of the first hinge is fixedly connected with the first driving gear, one end of the second hinge is fixedly connected with the second door, and the other end of the second hinge is fixedly connected with the third driving gear.

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

Further, the opening of the arc of the rack faces the door.

Further, the driving device further comprises a supporting pulley arranged on one side of the rack.

Further, the driving device further comprises a limiting piece used for limiting the movement of the rack.

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

Further, in the fully opened state, the first door and the second door are positioned below the accommodating space and are both in a horizontal state and are overlapped together.

Drawings

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

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

Fig. 3 is a perspective view of another perspective view of the household appliance of the present invention, wherein the door is in a closed state.

Fig. 4 is a partially exploded perspective view of fig. 3.

Fig. 5 is a perspective view of the door of the electric home appliance of the present invention in a fully opened state.

Fig. 6 is an exploded, full perspective view of fig. 5.

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 capable of operating relative to the main body 1, and a driving device 3 for driving the door 2 to operate relative to the main body 1.

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.

The driving device 3 includes a first driving gear 31 rotatably installed on the main body 1, a first hinge 32 connected between the first driving gear 31 and the first door 21, a first transmission gear 33 engaged with the first driving gear 31, an arc-shaped rack 34 engaged with the first transmission gear 33, a second driving gear 35 and a second transmission gear 36 engaged with the rack 34, a locking piece 37 having one end fixedly connected with the second driving gear 35, a third driving gear 38 engaged with the second transmission gear 36, a second hinge 39 connected between the third driving gear 38 and the second door 22, two supporting pulleys 30 disposed on the main body 1, and a limiting piece 341 disposed on the main body 1 for limiting the movement of the rack 34. The rack 34 is a circular arc-shaped rack cut from a circular inner gear, and the opening of the circular arc faces the door 2.

The first driving gear 31, the first transmission gear 33, the second driving gear 35, the second transmission gear 36, the third driving gear 38 and the supporting pulley 30 are rotatably mounted to the main body 1 through a bearing or the like; one end of the locking piece 37 is fixedly connected with the second driving gear 35, and the other end is connected with the first door 21 in a buckling manner; the first transmission gear 33 is simultaneously meshed with the rack 34 and the first driving gear 31; one end of the first hinge 32 is fixedly connected with the first door 21, and the other end is fixedly connected with the first driving gear 31; the second transmission gear 36 is simultaneously meshed with the rack 34 and the third driving gear 38; one end of the second hinge 39 is fixedly connected with the second door 22, and the other end is fixedly connected with the third driving gear 38; the second drive gear 35, the first transmission gear 33, the first drive gear 31, the second transmission gear 36, and the third drive gear 38 are located on the side of the rack 34 having the teeth, the first transmission gear 33 is located between the second drive gear 35 and the second transmission gear 356, and the support pulley 30 is located on and abuts against the smooth side of the rack 34; the limiting member 341 is located on the moving path of the rack 34, and after the first door 21 and the second door are operated to the right position, the limiting member 341 prevents the rack 34 from moving continuously.

The locking piece 37 is provided with an arc-shaped locking part 371, correspondingly, the first door 21 is provided with a locking groove 211 matched with the locking part 371, and the locking part 371 is buckled with the locking groove 211 in a door-closed state.

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.

In the disclosed embodiment, the first hinge 37 and the second hinge 31 are interference fit with the slots on the first door 21 and the second door 22, respectively, to securely connect the first hinge 37 and the second hinge 31 with the first door 21 and the second door 22, respectively. In other embodiments, the connection between the first hinge 37 and the second hinge 31 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 locking portion 371 of the locking piece 37 is locked with the locking groove 2111 of the first door 21; in the state that the first door 21 and the second door 22 of the household appliance 100 are completely opened, the locking portion 371 of the locking member 37 is disengaged from the locking groove 211 of the first door 21, and the first door 21 and the second door 22 are moved below the accommodating space 10 and are in a horizontal state and overlapped together.

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 method for opening a door of a household appliance of the present invention is as follows: s1: in the initial state, the first door 21 is manually biased, and the first door 21 is moved in a direction away from the accommodating space 10 to rotate the first hinge 32 counterclockwise; 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 34 to rotate clockwise; s3: the rack 34 rotates clockwise to drive the second driving gear 35 and the second transmission gear 36 to rotate clockwise simultaneously; s4: the second driving gear 35 rotates clockwise to drive the locking piece 37 to rotate clockwise in a direction away from the first door 21, so that the locking portion 371 is separated from the locking groove 211; meanwhile, the second transmission gear 36 rotates clockwise to drive the third driving gear 38 to rotate anticlockwise; s5: the third driving gear 38 rotates counterclockwise to drive the second hinge 39 to rotate counterclockwise; s6: the counterclockwise rotation of the second hinge 39 drives the second door 22 to move away from the accommodating space 10; s7: when the first door 21 and the second door 22 are operated in place, the end of the rack 34 abuts on the stopper 341 to prevent the rack 34 from moving further, and at this time, the first door 21 and the second door 22 are operated below the accommodating space 10 and are both in a horizontal state, and are overlapped together in the up-down direction.

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

The driving device 3 of the household appliance 100 is of a gear and rack transmission structure, and the first door 21 and the second door are driven to be opened and closed by adopting gears and racks, so that each part of the driving device 3 moves in situ, a large-range yielding space does not need to be reserved on the side surface of the household appliance 100, the space on the side surface of the household appliance 100 is saved to a great extent, and the capacity of the accommodating space 10 of the household appliance 100 can be increased under the condition of not increasing the whole volume of the household appliance 100; meanwhile, the driving device 3 enables the first door 21 and the second door of the household appliance 100 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 entrance of the accommodating space is increased; and the driving device 3 adopts a gear and rack transmission structure, so that the structure is simple, and the household appliance 100 has a simple structure and low manufacturing cost.

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 moving relative to the main body part and a driving device for driving the door to move, wherein the main body part is provided with an accommodating space, the driving device comprises a hinge connected between the door and the main body part, a rack arranged on the main body part and a plurality of gears meshed with the rack, and the rack is an arc-shaped rack.

2. The household appliance of claim 1, 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 main body portion and a second hinge connected between the second door and the main body portion.

3. The household appliance according to claim 2, wherein: the gear comprises a first driving gear, a first transmission gear meshed with the first driving gear and the rack, a second transmission gear meshed with the rack and a third driving gear meshed with the second transmission gear.

4. A household appliance as claimed in claim 3, characterized in that: one end of the first hinge is fixedly connected with the first door, the other end of the first hinge is fixedly connected with the first driving gear, one end of the second hinge is fixedly connected with the second door, and the other end of the second hinge is fixedly connected with the third driving gear.

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 first door in a buckled mode.

6. The household appliance of claim 5, wherein: the opening of the arc of the rack faces the door.

7. The household appliance of claim 6, wherein: the driving device further comprises a supporting pulley arranged on one side of the rack.

8. The household appliance of claim 7, wherein: the driving device further comprises a limiting piece used for limiting the movement of the rack.

9. The household appliance of claim 8, wherein: the lock catch piece is provided with a lock catch portion, and the first door is provided with a lock catch groove matched with the lock catch portion.

10. The household appliance according to claim 9, wherein: in the fully opened state, the first door and the second door are positioned below the accommodating space and are both in a horizontal state and are overlapped together.