CN219846474U

CN219846474U - Household appliance

Info

Publication number: CN219846474U
Application number: CN202321334935.4U
Authority: CN
Inventors: 赵林烨; 施郑赞; 郑峰; 韩健健
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-10-20
Anticipated expiration: 2033-05-29

Abstract

The utility model relates to a household appliance, which comprises a casing, a door body and a door hinge assembly, wherein the door hinge assembly also comprises a guide rail which is arranged outside a cavity, extends along the arrangement direction of the door body and the casing and is relatively fixed with the casing; the movable rod is arranged along the length direction of the guide rail, the first end of the movable rod is in sliding fit with the guide rail, and the second end of the movable rod is connected with the pull rope; the power output end of the driving mechanism is in driving connection with the first end of the movable rod and is used for driving the movable rod to move along the length direction of the guide rail. The door body is not required to be provided with the tension spring, so that the problem that the opening and closing of the door body are affected due to failure of the tension spring caused by the adoption of the tension spring in the background art is avoided, the reliability is high, manual push and pull are not required in the whole process, and labor is saved.

Description

Household appliance

Technical Field

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

Background

In the existing electric appliances, such as steaming boxes, steaming ovens, cleaning machines and the like, the electric appliances comprise a box body with a functional inner cavity and a door body which is arranged at an opening of the box body and can open or close the opening.

As a Chinese patent of the utility model, a dish washer is disclosed, having a patent number ZL 201520248676.2 (issued to publication number CN 204618145U), comprising: a body defining a chamber therein having an open front end; the door body is arranged at the opening of the cavity, and the lower end of the door body is pivotally connected with the machine body to open and close the cavity; the door lock is arranged on the machine body and is connected with the upper end of the door body to lock and unlock the door body; the electric control board is connected with the door lock and controls the door lock to lock and unlock the door body; the connecting piece is arranged between the machine body and the door body, one part of the connecting piece is connected with the machine body, the other part of the connecting piece is detachably connected with the door body, and the opening angle of the door body relative to the machine body is limited when the connecting piece is connected with the door body.

The door body can be automatically unlocked and opened, but the door body is pulled or pushed back manually, so that the door body is laborious and the user experience is poor. In addition, the tension spring is adopted, and in the long-term use process, the risk of failure exists.

Accordingly, there is a need for further improvements to existing household appliances.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a household appliance which can reliably realize the opening and closing of a door body by avoiding using a tension spring aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: a household appliance comprising:

a housing having an open chamber;

the door body is rotatably arranged at the opening of the shell to open and close the opening;

the door hinge assembly is used for realizing the rotary connection of the door body and the shell and comprises a door hinge arranged at one of the left side and the right side of the door body and a pull rope for connecting the door hinge and the shell, wherein the door hinge can be rotatably arranged on the shell, and the first end of the pull rope is connected with the door hinge;

the door hinge assembly is characterized by further comprising:

the guide rail is arranged outside the cavity, extends along the arrangement direction of the door body and the shell, and is relatively fixed with the shell;

the movable rod is arranged along the length direction of the guide rail, the first end of the movable rod is in sliding fit with the guide rail, and the second end of the movable rod is connected with the pull rope;

and the power output end of the driving mechanism is in driving connection with the first end of the movable rod and is used for driving the movable rod to move along the length direction of the guide rail.

The first end of the movable bar may be provided with a slider or may have an enlarged area end at the end of the first end, which end is in sliding engagement with the guide rail, but preferably the first end of the movable bar is provided with a slider.

In order to guide the movement of the movable rod, the guide rail has a sliding groove extending along the length direction thereof, the sliding block is slidably restrained in the sliding groove, and the movable rod is partially positioned in the sliding groove. Thus, the sliding groove guides the movement of the sliding block, so that the movement of the movable rod is guided.

The driving mechanism comprises a motor, a rotary disc, a first connecting rod, a second connecting rod, a first sliding part and a second sliding part, wherein the motor is arranged on the side wall of the shell and is provided with an output shaft extending along the length direction of the rotation axis of the door body, the position of the rotary disc adjacent to the center is arranged on the output shaft of the motor, the rotary disc is provided with a first guide groove and a second guide groove which are arranged in a crossing way and communicated with each other, the first sliding part can be restrained in the first guide groove in a sliding way, the second sliding part can be restrained in the second guide groove in a sliding way, two ends of the first connecting rod are respectively connected with the first sliding part and the second sliding part, the first end of the second connecting rod is connected with the position of the first connecting rod adjacent to the center, and the second end of the second connecting rod is connected with the first end of the movable rod in a rotating way.

Preferably, the cross section of the rotating disc is circular, and the first guide groove and the second guide groove both extend along the diameter direction of the rotating disc.

Preferably, the casing comprises a casing body and a base arranged below the casing body, the cavity is arranged in the casing body, and the driving mechanism, the guide rail and the movable rod are all arranged on the base.

The chamber may have an opening at the top or an opening at the front side, but preferably the chamber has the opening at the front side, the door hinge is rotatably provided at a lower position of the cabinet, and a rotation axis of the door hinge extends in a left-right direction.

In order to realize the reliability of opening and closing the door, the door hinge assemblies are provided with two groups and are arranged at intervals along the left-right direction.

In order to enable at least the movement of the pull rope to be smoother, a first roller is arranged on the outer side wall of the shell behind the guide rail, and the second end of the pull rope bypasses the first roller and is connected to the movable rod.

In order to at least further enable the movement of the pull rope to be smoother, a second roller is arranged on the outer side wall of the shell at a position above the guide rail, the second roller is located on the front side of the first roller, and the second end of the pull rope sequentially bypasses the lower edge of the second roller and the first roller and then is connected to the movable rod.

Preferably, the household appliance is any one of a cleaning machine, a steam box and oven integrated machine, a steam box and microwave oven integrated machine and a steam box and oven microwave oven integrated machine.

Compared with the prior art, the utility model has the advantages that: the movable rod in the door hinge assembly for realizing the rotation of the door body and the box body moves along the arrangement direction of the door body and the box body under the drive of the driving mechanism, so that the pull rope is driven to move, the door body is opened and closed, a tension spring is not required to be arranged, the failure of the tension spring caused by the tension spring in the background art is avoided, the opening and closing of the door body is influenced, the reliability is high, the whole process is not required to be manually pushed and pulled, and the labor is saved.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged schematic view of the portion I in FIG. 3;

fig. 5 is a schematic view of the door hinge of fig. 1.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 5, the household appliance of the present embodiment is a washer. In addition, the household appliance can be any one of a steam box, a steam box and oven integrated machine, a steam box and microwave oven integrated machine and a steam box and oven microwave oven integrated machine.

As shown in fig. 1 to 3, the above-mentioned home appliance includes a cabinet 1, a door body 2, and a door hinge assembly 3. Wherein the housing 1 has an open chamber. Specifically, the cabinet 1 includes a case 11 and a base 12 under the case 11, a chamber is provided in the case 11, and the front side of the chamber has an opening, and the door 2 and the case 11 are arranged in the front-rear direction. The door body 2 is rotatably provided at an opening of the cabinet 1 to open and close the opening.

As shown in fig. 2 to 5, the door hinge assembly 3 is used to realize the rotational connection between the door body 2 and the cabinet 1, two groups of the door hinge assemblies 3 are arranged at intervals along the left-right direction, the door hinge assembly 3 on the left side is mounted on the left side wall of the base 12, and the door hinge assembly 3 on the right side is located on the right side wall of the base 12. The two sets of door hinge assemblies 3 have the same structure, and the left set of door hinge assemblies 3 will be described as an example.

As shown in fig. 2 to 5, the door hinge assembly 3 includes a door hinge 31, a pulling rope 32, a guide rail 33, a movable lever 34, and a driving mechanism 35. Wherein the door hinge 31 is rotatably provided at a lower position of the cabinet 1, and a rotation axis of the door hinge 31 extends in a left-right direction. The guide rail 33 is provided outside the chamber, extends along the arrangement direction of the door body 2 and the cabinet 1 (i.e., extends in the front-rear direction), and is fixed relatively to the base 12 of the cabinet 1.

As shown in fig. 4, a movable lever 34 is arranged along the length direction of the guide rail 33, and a first end of the movable lever 34 is provided with a slider 36 that slidably fits with the guide rail 33. Specifically, the guide rail 33 has a slide groove 331 extending along its length direction, and the slider 36 is slidably restrained in the slide groove 331.

As shown in fig. 2 to 5, the movable rod 34 is partially located in the chute 331, and the second end of the movable rod 34 is connected to the pull rope 32. The aforementioned stay 32 is used to connect the door hinge 31 and the cabinet 1, and specifically, a first end of the stay 32 is connected to the door hinge 31. The left side wall of the base 12 of the casing 1 is provided with a first roller 37 and a second roller 38, wherein the first roller 37 is positioned at the rear of the guide rail 33, the second roller 38 is positioned at the front side of the first roller 37, and the second end of the pull rope 32 sequentially bypasses the lower edge of the second roller 38 and the first roller 37 and is connected to the movable rod 34.

As shown in fig. 5, the driving mechanism 35 is used to drive the movable rod 34 to move along the length direction of the guide rail 33. Specifically, the power output end of the drive mechanism 35 is drivingly connected to the first end of the movable rod 34. In the present embodiment, the driving mechanism 35 includes a motor 351, a rotating disc 352, a first link 353, a second link 354, a first slider 355, and a second slider 356. The motor 351 is provided on a side wall of the base 12, and has an output shaft extending in a longitudinal direction of the rotation axis of the door body 2, that is, the output shaft extends in a left-right direction. The rotating disk 352 is mounted on the output shaft of the motor 351 at a position adjacent to the center, and the rotating disk 352 is provided with a first guide groove 3521 and a second guide groove 3522 which are arranged to intersect and communicate. In the present embodiment, the cross section of the rotating disk 352 is circular, and the first guide groove 3521 and the second guide groove 3522 each extend along the diameter direction of the rotating disk 352.

As shown in fig. 2 to 5, the first slider 355 is slidably restrained in the first guide groove 3521, the second slider 356 is slidably restrained in the second guide groove 3522, both ends of the first link 353 are connected to the first slider 355 and the second slider 356, respectively, the first end of the second link 354 is connected to a position of the first link 353 adjacent to the center, and the second end of the second link 354 is rotatably connected to the first end of the movable lever 34.

After the motor 351 receives the signal (the signal given by knocking the door or the signal of sound control), the motor 351 drives the rotating disc 352 to start working, and after the rotating disc 352 starts rotating, the first sliding part 355 and the second sliding part 356 on the rotating disc start moving in the first guide groove 3521 and the second guide groove 3522 corresponding to the rotating disc 352, so that the sliding block 36 and the movable rod 34 are driven to move back and forth through the transmission of the first connecting rod 353 and the second connecting rod 354, and then door opening or closing actions are realized.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. A household appliance comprising:

a housing (1) having an open chamber;

the door body (2) is rotatably arranged at the opening of the shell (1) to open and close the opening;

the door hinge assembly (3) is used for realizing the rotary connection of the door body (2) and the shell (1), and comprises a door hinge (31) arranged at one of the left side and the right side of the door body (2) and a pull rope (32) for connecting the door hinge (31) and the shell (1), wherein the door hinge (31) is rotatably arranged on the shell (1), and the first end of the pull rope (32) is connected with the door hinge (31);

the door hinge assembly (3) is characterized by further comprising:

a guide rail (33) which is provided outside the chamber, extends in the arrangement direction of the door body (2) and the housing (1), and is fixed relative to the housing (1);

a movable rod (34) arranged along the length direction of the guide rail (33), wherein a first end of the movable rod (34) is in sliding fit with the guide rail (33), and a second end of the movable rod (34) is connected with the pull rope (32);

and the power output end of the driving mechanism (35) is in driving connection with the first end of the movable rod (34) and is used for driving the movable rod (34) to move along the length direction of the guide rail (33).

2. A household appliance as in claim 1, wherein: a first end of the movable rod (34) is provided with a sliding block (36).

3. A household appliance as in claim 2, wherein: the guide rail (33) has a slide groove (331) extending along a length direction thereof, the slider (36) is slidably restrained in the slide groove (331), and the movable rod (34) is partially positioned in the slide groove (331).

4. A household appliance as in claim 1, wherein: the driving mechanism (35) comprises a motor (351), a rotating disc (352), a first connecting rod (353), a second connecting rod (354), a first sliding part (355) and a second sliding part (356), wherein the motor (351) is arranged on the side wall of the casing (1) and is provided with an output shaft extending along the length direction of the rotation axis of the door body (2), the rotating disc (352) is installed on the output shaft of the motor (351) at the position adjacent to the center, a first guide groove (3521) and a second guide groove (3522) which are arranged in a crossing way and communicated are arranged on the rotating disc (352), the first sliding part (355) can be restrained in the first guide groove (3521) in a sliding way, the second sliding part (356) can be restrained in the second guide groove (3522) in a sliding way, two ends of the first connecting rod (353) are respectively connected with the first sliding part (355) and the second sliding part (356), and a first end of the second connecting rod (354) is connected with the first end (34) adjacent to the center position.

5. The household appliance according to claim 4, wherein: the cross section of the rotating disc (352) is circular, and the first guide groove (3521) and the second guide groove (3522) both extend along the diameter direction of the rotating disc (352).

6. The household appliance according to claim 4, wherein: the casing (1) comprises a casing (11) and a base (12) positioned below the casing (11), the cavity is positioned in the casing (11), and the driving mechanism (35), the guide rail (33) and the movable rod (34) are all arranged on the base (12).

7. A household appliance as in claim 1, wherein: the front side of the chamber has the opening, the door hinge (31) is rotatably provided at a lower position of the housing (1), and a rotation axis of the door hinge (31) extends in a left-right direction.

8. The household appliance according to claim 7, wherein: the door hinge assemblies (3) are arranged in two groups at intervals along the left-right direction.

9. The household appliance according to claim 7, wherein: the outer side wall of the casing (1) is provided with a first roller (37) positioned at the rear of the guide rail (33), and the second end of the pull rope (32) bypasses the first roller (37) and is then connected to the movable rod (34).

10. The household appliance according to claim 9, wherein: the outer side wall of the casing (1) is provided with a second roller (38) at a position above the guide rail (33), the second roller (38) is positioned at the front side of the first roller (37), and the second end of the pull rope (32) sequentially bypasses the lower edge of the second roller (38) and the first roller (37) and is then connected to the movable rod (34).

11. The household appliance according to any one of claims 1 to 10, wherein: the household appliance is any one of a cleaning machine, a steam box and oven integrated machine, a steam box and microwave oven integrated machine and a steam box and oven microwave oven integrated machine.