WO2018033057A1

WO2018033057A1 - Hinge device for door body of drum washing machine, and drum washing machine

Info

Publication number: WO2018033057A1
Application number: PCT/CN2017/097463
Authority: WO
Inventors: 李敬德; 梁启队; 刘淼; 徐安沅
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2016-08-16
Filing date: 2017-08-15
Publication date: 2018-02-22
Also published as: CN107761326A

Abstract

A hinge device for a door body of a drum washing machine, and the drum washing machine. The hinge device for a door body of a drum washing machine comprises a hinge, an inner frame (1) of the door body, and a hinge reinforcing plate (2). The hinge comprises a hinge shaft (3). The inner frame (1) and the hinge reinforcing plate (2) are connected to form an accommodating portion. The hinge shaft (3) is rotatably mounted in the accommodating portion, and the in reinforcing plate (2) is of a plate-shaped integrated structure. The hinge device can reduce abrasion of the door body, and can avoid damage due to an impact.

Description

Drum washing machine door hinge device and drum washing machine

Technical field

The present disclosure relates to the technical field of washing machines, for example, to a drum washing machine door hinge device and a drum washing machine.

Background technique

The door body of the drum washing machine is a part with a high frequency of use by the user. The user opens the door body to put the clothes into the washing machine, and the washing machine can execute the washing process after the door body is closed. Due to the high frequency of use of the door body, the reliability of the door body is high.

The drum washing machine door body of the related art comprises a window screen, an outer frame, a middle frame, an inner frame, a door hinge and a glass basin. The above components can be assembled by fixing screws, and the connection between the door body and the box body is mostly made of metal material. The hinge connection, the multiple opening and closing of the door body makes the position of the door body in contact with the hinge easy to wear, the door body and the hinge loosely cooperate, and the door body as a whole sinks, which affects the closing of the door body of the drum washing machine.

In the case of transportation or when the washing machine is susceptible to vibration and shock, the door body is located at the front of the drum washing machine, and the probability of impact is high. The hinge and the door body can be connected by the inner frame and the outer frame pressing hinge. When the door body is impacted by external force, the inner frame and the outer frame are subjected to concentrated stress in the part where the door body is connected with the hinge. The strong impact may cause the inner frame and the outer frame of the plastic material to be broken, which affects the normal use of the washing machine.

Summary of the invention

The door hinge device of the drum washing machine can reduce the wear of the door body and avoid damage by impact.

A drum washing machine provided with the above-mentioned drum washing machine door hinge device.

A door washing device for a drum washing machine, comprising a hinge, an inner frame of the door body and a hinge reinforcing plate, wherein the hinge comprises a hinge shaft, and the inner frame and the hinge reinforcing plate are connected to form a receiving portion, and the hinge shaft can be The rotation is installed in the accommodating portion, and the hinge reinforcing plate is a plate-like unitary structure.

Optionally, the hinge shaft is sleeved with a hinge sleeve, the hinge sleeve is located in the accommodating portion, and the accommodating portion comprises a hinge sleeve receiving groove respectively disposed on the inner frame and the hinge reinforcing plate And the hinge sleeve receiving groove of the inner frame and the hinge reinforcing plate are mutually engaged to form the receiving portion.

Optionally, the hinge comprises two hinge shafts, the center lines of the two hinge shafts are on the same straight line, and the hinge sleeves are respectively sleeved at the ends of the two hinge shafts away from each other.

Optionally, the hinge further includes a hinge arm connected to the hinge shaft, the hinge reinforcement plate is provided with a limiting structure on a side of the edge of the inner frame, and the limiting structure is convex protruding toward the hinge arm Out of the structure.

Optionally, the limiting structure can abut against the hinge arm when the angle at which the door is opened is the largest.

Optionally, the inner frame is provided with a mesh reinforcing rib.

Optionally, the mesh reinforcing rib comprises a mesh surrounded by the reinforcing rib and the reinforcing rib, and the mesh has a shape of a triangle or a quadrangle.

Optionally, the hinge reinforcing plate and the inner frame are fixed by screw connection or by welding.

Optionally, the hinge sleeve is made of wear-resistant non-metal material.

A drum washing machine comprising a door body and a box body, wherein the door body hinge device of any one of the above-mentioned drum washing machines is disposed between the door body and the box body.

The door hinge device of the drum washing machine and the drum washing machine adopt a hinge-shaped reinforcing plate of the plate-shaped integral structure and the inner frame to form a receiving portion, the hinge shaft is installed in the accommodating portion, and the hinge reinforcing plate is used as a part of the accommodating portion, thereby reducing the hinge shaft and the capacity The wear between the parts, the door body and the box can maintain a good long-term cooperation, the plate-shaped integrated structure of the hinge reinforcement plate is connected with the inner frame, which shares the stress on the inner frame structure around the hinge shaft, and can protect the plastic The inner frame of the material.

DRAWINGS

1 is a schematic structural view of a door hinge device of a drum washing machine according to an embodiment;

Figure 2 is a partial structural view of the portion A in Figure 1;

3 is a schematic structural view of a hinge reinforcing plate according to an embodiment;

4 is a schematic structural diagram of an inner frame according to an embodiment;

Figure 5 is a partial structural view of the portion B in Figure 4;

Figure 6 is an exploded view of the assembly between the hinge reinforcing plate and the hinge provided by an embodiment;

FIG. 7 is a diagram showing the cooperation relationship between the limiting structure and the hinge arm provided by an embodiment.

Among them, 1, inner frame; 2, hinge reinforcement plate; 3, hinge shaft; 4, hinge sleeve; 5, hinge sleeve receiving groove; 6, hinge arm; 7, limit structure; 8, mesh reinforcement; 9, the screw.

detailed description

The technical solutions of the following embodiments will be described below with reference to the accompanying drawings and specific embodiments.

As shown in FIGS. 1 and 2, the door washing device of the drum washing machine in this embodiment includes a hinge, an inner frame 1 of the door body, and a hinge reinforcing plate 2, wherein the hinge includes a hinge shaft 3, an inner frame 1 and a hinge reinforcing plate 2 The connection forms a receiving portion, the hinge shaft 3 is rotatably mounted in the accommodating portion, and the hinge reinforcing plate 2 has a plate-like integral structure.

Optionally, the hinge reinforcing plate 2 may be a sheet metal or a high-strength engineering plastic (for example, polyphenylene sulfide (PPS), polyetheretherketone (PEEK) or liquid crystal polymer (Liquid Crystal Polymer, LCP)).

The door hinge device of the drum washing machine adopts a plate-shaped integral structure, and the hinge reinforcing plate 2 cooperates with the inner frame 1 to form a receiving portion. The hinge shaft 3 is installed in the accommodating portion, and the hinge reinforcing plate 2 is a part of the accommodating portion, which is reduced. The wear between the hinge shaft 3 and the accommodating portion can maintain a good fit between the door body and the box body for a long time. The hinge reinforcing plate 2 has a plate-like integral structure and is connected with the inner frame 1, and the hinge reinforcing plate 2 is a hinge shaft. The surrounding inner frame 1 structure shares the stress and protects the inner frame 1 of the plastic material.

As shown in FIG. 3-6, the hinge shaft 3 is sleeved with a hinge sleeve 4, and the receiving portion includes a hinge sleeve receiving groove 5 respectively disposed on the inner frame 1 and the hinge reinforcing plate 2, and the hinge sleeve of the inner frame 1 is arranged. The groove 5 and the hinge sleeve receiving groove 5 on the hinge reinforcing plate 2 are engaged with each other to form a receiving portion, which reduces wear between the hinge shaft 3 and the mating structure therewith. The hinge sleeve 4 can be a wear resistant non-metallic material such as nylon. The use of the hinge sleeve 4 not only reduces wear.

Optionally, the hinge comprises a hinge shaft 3, the central axes of the hinge shafts 3 are on the same straight line, and the hinge portions 4 are respectively sleeved at the ends of the two hinge shafts 3 away from each other.

Optionally, as shown in FIG. 7, the hinge further includes a hinge arm 6 connected to the hinge shaft 3. The hinge reinforcing plate 2 is provided with a limiting structure 7 on a side of the edge of the inner frame 1, and the limiting structure 7 is turned to the hinge. A convex structure in which the arm 6 protrudes. When the door body is opened, the distance between the limiting structure 7 and the hinge arm 6 is getting closer and closer as the opening angle is increased. When the door opening angle is maximum, the limiting structure 7 can abut against the hinge. On the boom 6 . By adjusting the height of the stopper structure 7, the maximum value of the opening angle of the door body can be changed.

Alternatively, as shown in FIGS. 4 and 5, the inner frame 1 of the present embodiment is provided with a mesh reinforcing rib 8 which includes a mesh surrounded by the reinforcing ribs and the reinforcing ribs. The shape of the mesh may be a polygon such as a triangle or a quadrangle. The mesh reinforcement 8 is resistant to wear and can dissipate the force transmitted by the hinge and reduce the damage of the components caused by the concentration of force.

Optionally, the hinge reinforcing plate 2 and the inner frame 1 are connected by a screw 9. The hinge reinforcing plate 2 and the inner frame 1 may also be connected by welding or high-strength adhesive.

The embodiment provides a drum washing machine, which comprises a door body and a box body. The door washing machine door hinge device is arranged between the door body and the box body.

Industrial applicability

The door hinge device of the drum washing machine and the drum washing machine adopt a plate-shaped integral structure of the hinge reinforcing plate to form a receiving portion with the inner frame, and the hinge shaft is installed in the accommodating portion to reduce the wear between the hinge shaft and the accommodating portion, and the hinge is reinforced. The plate shares the stress on the inner frame structure around the hinge shaft to avoid damage to the door body.

Claims

A door washing device for a drum washing machine, comprising a hinge, an inner frame (1) of the door body, and a hinge reinforcing plate (2), wherein the hinge comprises a hinge shaft (3), and the inner frame (1) and the hinge reinforcement The plates (2) are connected to form a receiving portion, the hinge shaft (3) is rotatably mounted in the receiving portion, and the hinge reinforcing plate (2) is a plate-like unitary structure.
The device according to claim 1, wherein the hinge shaft (3) is sleeved with a hinge sleeve (4), the hinge sleeve (4) is located in the accommodating portion, and the accommodating portion comprises a hinge sleeve receiving groove (5) provided on the inner frame (1) and the hinge reinforcing plate (2), and a hinge sleeve receiving groove on the inner frame (1) and the hinge reinforcing plate (2) (5) And engaging each other to form the accommodating portion.
The device according to claim 2, wherein said hinge comprises two hinge shafts (3), the centerlines of the two hinge shafts (3) are on the same straight line, and the ends of the two hinge shafts (3) are away from each other The hinge sleeve (4) is respectively sleeved.
The device according to claim 1, wherein said hinge further comprises a hinge arm (6) coupled to said hinge shaft (3), said hinge reinforcing plate (2) being adjacent to an edge of the inner frame (1) The side is provided with a limiting structure (7), and the limiting structure (7) is a protruding structure protruding toward the hinge arm (6).
The device according to claim 4, wherein said limiting structure (7) is capable of abutting against said hinge arm (6) when the angle at which the door body is opened is maximum.
The device according to claim 1, wherein the inner frame (1) is provided with a mesh reinforcing rib (8).
The apparatus according to claim 6, wherein said mesh reinforcing rib (8) comprises a mesh surrounded by a reinforcing rib and a reinforcing rib, and said mesh has a triangular or quadrangular shape.
The device according to claim 1, wherein the hinge reinforcing plate (2) and the inner frame (1) are connected by a screw (9) or by welding.
The device according to claim 1, wherein said hinge sleeve (4) is a wear-resistant non-metal material quality.
A drum washing machine comprising a door body and a box body, wherein the door body hinge device of the drum washing machine according to any one of claims 1-9 is disposed between the door body and the box body.