CN106758031B

CN106758031B - Washing machine hinge sleeve and washing machine

Info

Publication number: CN106758031B
Application number: CN201610990641.5A
Authority: CN
Inventors: 朱凯; 董新伟
Original assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Priority date: 2016-11-10
Filing date: 2016-11-10
Publication date: 2021-12-31
Anticipated expiration: 2036-11-10
Also published as: CN106758031A

Abstract

The invention belongs to the technical field of washing machines and discloses a washing machine hinge sleeve and a washing machine. The invention also provides a washing machine which is provided with the washing machine hinge sleeve. The washing machine hinge sleeve is provided with the reinforcing plate, the wear-resistant sleeve is fixedly connected to the reinforcing plate, and the washing machine hinge sleeve is fixedly connected to the inner frame of the door body only through screws when the washing machine hinge sleeve is installed, so that the phenomenon that the existing hinge sleeve is separated from the washing machine door body is avoided. And through the setting of reinforcing plate, can improve the intensity of whole washing machine hinge cover to and the joint strength between washing machine hinge cover and the door body inside casing, prevent that the washing machine door body from receiving the fracture of causing door body inside casing or frame when external force strikes, improved the life of whole washing machine door body.

Description

Washing machine hinge sleeve and washing machine

Technical Field

The invention relates to the technical field of washing machines, in particular to a washing machine hinge sleeve and a washing machine.

Background

At present, most of door hinges of drum washing machines on the market have the following structures: the two ends of the upper part of the hinge support are respectively provided with a cylinder which is used as a shaft when the door is opened and closed, the cylinders are respectively provided with a plastic hinge sleeve, and the plastic hinge sleeves and the cylinders rotate in a relative friction way to finally form the opening and closing action of the door. Other structures of the washing machine door body, such as an inner frame, an outer frame, a middle frame and the like clamp the hinge sleeve by means of self structures and form a whole assembly structure with the hinge sleeve. The strength of the whole door is mainly the strength of the inner frame, the middle frame or the outer frame of the door when the hinge sleeves are clamped tightly.

Although the door hinge structure is simple in design and implementation and small in occupied space, the strength of the whole washing machine door body (including the support of the self weight of the washing machine door body and the fracture resistance strength of the door when the door is impacted by external force) is mainly the strength of the washing machine door body inner frame and the washing machine door body outer frame (or the middle frame) when the two hinge sleeves are clamped. The force born by the door opening stopping acts on the middle frame or the outer frame, and because the hinge sleeve is very small, most parts of the inner frame and the outer frame of the washing machine door body are plastic products, when the washing machine door body is impacted by external force, the inner frame or the outer frame of the washing machine door body is easily broken, or the hinge sleeve is separated from the washing machine door body, so that the whole washing machine door body is invalid.

Disclosure of Invention

The invention aims to provide a washing machine hinge sleeve and a washing machine, and aims to solve the problems that when a washing machine door body is impacted by external force, an inner frame or an outer frame of the washing machine door body is easy to break and the hinge sleeve is separated from the washing machine door body in the conventional door hinge structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a washing machine hinge cover, includes the reinforcing plate, the rigid coupling is in the wear-resisting cover of reinforcing plate one end to and be located at least one screw hole on the reinforcing plate, wear-resisting cover is used for rotating the connection hinge.

Preferably, the reinforcing plate is provided with at least one screw hole.

Preferably, the hinge comprises hinge rotating arms at two ends, one end of each hinge rotating arm is provided with a hinge shaft, and the hinge shaft is rotatably arranged in the wear-resistant sleeve.

Preferably, the reinforcing plate is provided with an accommodating cavity, the hinge rotating arm is rotatably arranged in the accommodating cavity, and the wear-resistant sleeve is positioned on one side of the accommodating cavity.

Preferably, the reinforcing plate is provided with a door opening stopping structure, and the hinge is stopped and limited by the door opening stopping structure when rotating relative to the wear-resistant sleeve.

Preferably, the wear-resistant sleeve is made of a wear-resistant non-metallic material.

Preferably, the wear-resistant sleeve and the reinforcing plate are integrally formed.

The invention also adopts the following technical scheme:

a washing machine comprises a door body inner frame and a box body, wherein a hinge is fixedly connected to the box body, the door body inner frame is provided with a washing machine hinge sleeve, and a wear-resistant sleeve of the washing machine hinge sleeve is rotatably connected to the hinge.

Preferably, the washing machine hinge sleeve is connected with the inner frame of the door body through a screw.

Preferably, the inner frame of the door body is provided with net-shaped reinforcing ribs, the net-shaped reinforcing ribs comprise meshes formed by the reinforcing ribs and the reinforcing ribs in a surrounding mode, and the meshes are triangular, quadrilateral or other polygons in shape.

The washing machine hinge sleeve is provided with the reinforcing plate, the wear-resistant sleeve is fixedly connected to the reinforcing plate, and the washing machine hinge sleeve is fixedly connected to the inner frame of the door body only through screws when the washing machine hinge sleeve is installed, so that the phenomenon that the existing hinge sleeve is separated from the washing machine door body is avoided. And through the setting of reinforcing plate, can improve the intensity of whole washing machine hinge cover to and the joint strength between washing machine hinge cover and the door body inside casing, prevent that the washing machine door body from receiving the fracture of causing door body inside casing or frame when external force strikes, improved the life of whole washing machine door body.

The washing machine provided by the invention has the advantages that the service life of the washing machine door body can be effectively prolonged by arranging the washing machine hinge sleeve.

Drawings

Fig. 1 is a schematic structural view of a hinge sleeve of a washing machine according to a first embodiment of the invention;

FIG. 2 is a schematic view of an assembly structure of a hinge sleeve, an inner frame of a door body and a hinge of the washing machine according to the first embodiment of the present invention;

fig. 3 is a schematic structural view of a hinge sleeve of a washing machine according to a second embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of a hinge sleeve, an inner frame of a door body and a hinge of a washing machine according to a second embodiment of the present invention.

In the figure:

1. a reinforcing plate; 2. a wear-resistant sleeve; 3. screw holes; 4. a hinge; 11. an accommodating cavity; 12. a door opening stop structure; 41. a hinged rotating arm; 10. a door body inner frame; 20. a hinge sleeve of the washing machine; 101. and (4) reticular reinforcing ribs.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The first embodiment is as follows:

the present embodiment provides a washing machine hinge sleeve 20, as shown in fig. 1 and 2, the washing machine hinge sleeve 20 includes a reinforcing plate 1, and a wear-resistant sleeve 2 fixed at one end of the reinforcing plate 1. Specifically, the wear-resistant sleeve 2 and the reinforcing plate 1 can be integrally formed and used for being rotatably connected with a hinge 4 on the washing machine.

In the embodiment, at least one screw hole 3 is arranged on the reinforcing plate 1, and specifically, a screw hole 3 is arranged at the central position of the reinforcing plate 1 and is used for being connected with an inner frame 10 of a door body of the washing machine through a screw.

The wear-resistant sleeve 2 is made of wear-resistant non-metallic materials, such as nylon, so that the wear resistance of the wear-resistant sleeve is improved, and friction and external force impact generated by the friction and the external force impact are buffered.

A hinge rotating arm 41 is arranged on the hinge 4 at two ends, and a hinge shaft (not shown in the figure) is fixed on one end of the hinge rotating arm 41 and is rotatably arranged in the wear-resistant sleeve 2.

Above-mentioned reinforcing plate 1 is similar circular shape structure, and it can be made by panel beating or high strength engineering plastics to guarantee that reinforcing plate 1's intensity can satisfy the user demand.

In the embodiment, after the washing machine hinge sleeve 20 is fixedly connected to the door body inner frame 10, when external force impact occurs, the reinforcing plate 1 of the washing machine hinge sleeve 20 is fixedly connected with the door body inner frame 10, and the wear-resistant sleeve 2 is fixedly connected with the reinforcing plate 1, so that the situation that the wear-resistant sleeve 2 is separated from the washing machine door body cannot occur.

The embodiment further provides a washing machine, which comprises the washing machine hinge sleeve 20, as shown in fig. 2, the washing machine comprises a door inner frame 10 and a box body (not shown in the figure), a hinge 4 is fixed on the box body, a reinforcing plate 1 of the washing machine hinge sleeve 20 is fixed on the door inner frame 10 through a screw hole 3 by a screw (not shown in the figure), and a wear-resistant sleeve 2 of the washing machine hinge sleeve 20 is rotatably connected to the hinge 4.

Of course, in the present embodiment, the connection between the reinforcing panel 1 and the door inner frame 10 is not limited to the screw connection, and other connection and fixation methods are within the scope of the present embodiment, and for example, other fastening methods may be used, and welding, high-strength adhesive, or the like may be used.

As shown in fig. 2, a mesh-shaped reinforcing rib 101 is arranged on the inner frame 10 of the door body, the mesh-shaped reinforcing rib 101 includes mesh holes formed by the reinforcing ribs and the reinforcing ribs, and the mesh holes are triangular, quadrangular or other polygons. By providing the mesh reinforcement 101, it has the advantages of being able to resist impact and being able to withstand external transmitted pulling/pressing forces. And the design that mesh strengthening rib 101 cooperates with reinforcing plate 1 can disperse the power that hinge 4 transmitted, stops the washing machine door failure damage that strength concentrates and bring.

The washing machine of this embodiment can reduce the wearing and tearing of the washing machine door body through the fixed connection of above-mentioned reinforcing plate 1 and door body inside casing 10, and when the washing machine door body received the impact, because the area of contact of reinforcing plate 1 and door body inside casing 10 is great, it can be with the impact force sharing that hinge 4 bore on door body inside casing 10, improved the bearing capacity when the washing machine door body received external force and assaulted. And through the arrangement of the reinforcing plate 1, the strength of the whole washing machine hinge sleeve 20 and the connection strength between the washing machine hinge sleeve 20 and the door body inner frame 10 can be improved, the door body inner frame 10 or the door body outer frame is prevented from being broken when the washing machine door body is impacted by external force, and the service life of the whole washing machine door body is prolonged.

Example two:

the present embodiment differs from the first embodiment in that the structure of the reinforcing plate 1 and the number of screw holes 3 are different in the present embodiment, and the remaining structure is the same as the first embodiment, so only the structure of the reinforcing plate 1 and the number of screw holes 3 will be described here.

Specifically, as shown in fig. 3 and 4, the reinforcing plate 1 of the present embodiment has a rectangular-like structure, a receiving cavity 11 is disposed at a middle position of the reinforcing plate, the receiving cavity 11 has an open structure, the hinge rotating arm 41 of the hinge 4 is rotatably disposed in the receiving cavity 11, and the wear-resistant sleeve 2 is disposed at one side of the receiving cavity 11.

In this embodiment, four screw holes 3 are formed in the reinforcing plate 1, and the four screw holes 3 are respectively disposed two by two on two sides of the accommodating cavity 11, so that the reinforcing plate 1 is more stably mounted on the inner frame 10 of the door body of the washing machine.

Referring to fig. 3, a door opening stopping structure 12 is disposed on the reinforcing plate 1 at a side of the accommodating cavity 11, specifically, the door opening stopping structure 12 is a convex structure facing the hinge rotating arm 41, and when the hinge 4 rotates relative to the wear-resistant sleeve 2, the door opening stopping structure 12 can limit a rotation angle of the hinge rotating arm 41 relative to the reinforcing plate 1, thereby limiting an opening angle of the washing machine door. When the door body of the washing machine is opened, the distance between the door opening stopping structure 12 and the hinge rotating arm 41 is closer and closer along with the increase of the opening angle, and when the opening angle of the door of the washing machine is maximum, the door opening stopping structure 12 can abut against the hinge rotating arm 41 to limit the position of the hinge rotating arm.

The present embodiment further provides a washing machine, as shown in fig. 4, which is different from the washing machine of the first embodiment in that it includes the washing machine hinge sleeve 20 of the present embodiment, and the reinforcing plate 1 of the washing machine hinge sleeve 20 is mounted on the door inner frame 10 by four screws. The rest of the structure is the same as that of embodiment 1, and is not described again.

In the present embodiment, the connection between the reinforcing plate 1 and the door inner frame 10 is not limited to the screw connection, and other connection and fixation methods are within the scope of the present embodiment, and for example, other fastening methods may be used, and welding or high-strength adhesive methods may be used.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A washing machine comprises a door body inner frame (10) and a box body, wherein a hinge (4) is fixedly connected to the box body, and the washing machine is characterized in that a washing machine hinge sleeve (20) is arranged on the door body inner frame (10), the washing machine hinge sleeve (20) comprises a reinforcing plate (1) and a wear-resistant sleeve (2) fixedly connected to one end of the reinforcing plate (1), the wear-resistant sleeve (2) and the reinforcing plate (1) are integrally formed, the wear-resistant sleeve (2) is used for being rotatably connected with the hinge (4) of the washing machine, the reinforcing plate (1) is fixedly connected with the door body inner frame (10), a net-shaped reinforcing rib (101) is arranged on the door body inner frame (10), the net-shaped reinforcing rib (101) comprises a mesh formed by the reinforcing rib and the reinforcing rib in a surrounding manner, and the shape of the mesh is triangular, quadrilateral or other polygons;

at least one screw hole (3) is arranged on the reinforcing plate (1);

the hinge (4) comprises hinge rotating arms (41) positioned at two ends, one end of each hinge rotating arm (41) is provided with a hinge shaft, and the hinge shafts are rotatably arranged in the wear-resistant sleeves (2);

the reinforcing plate (1) is provided with an accommodating cavity (11), the accommodating cavity (11) is of an open structure, the hinge rotating arm (41) is rotatably arranged in the accommodating cavity (11), and the wear-resistant sleeve (2) is positioned on one side of the accommodating cavity (11);

the door opening stopping structure (12) is arranged on the reinforcing plate (1), and when the hinge (4) rotates relative to the wear-resistant sleeve (2), the door opening stopping structure (12) stops the door opening stopping structure for limiting.

2. The washing machine hinge sleeve according to claim 1, characterized in that the wear-resistant sleeve (2) is made of wear-resistant non-metallic material.

3. The washing machine as claimed in claim 1, wherein the washing machine hinge sleeve (20) is connected with the inner frame (10) of the door body through screws.