阅读说明：本技术 一种自动开门装置及家用电器 (Automatic door opening device and household appliance ) 是由 焦立业 张青青 宋华诚 杨林 刘维彤 蒋日国 孙健宗 于 2019-04-28 设计创作，主要内容包括：本发明属于家用电器的技术领域,具体地说,涉及一种自动开门装置,所述自动开门装置包括壳体、蜡马达和顶出杆,所述蜡马达设于所述壳体内并具有输出端,所述顶出杆通过弹性元件设于所述输出端的前方,以在所述蜡马达动作时沿着门体开闭方向伸出或缩回所述壳体内。本发明所述的自动开门装置结构简单、稳定性好,便于实现自动开门。本发明还涉及一种安装有所述自动开门装置的家用电器。(The invention belongs to the technical field of household appliances, and particularly relates to an automatic door opening device which comprises a shell, a wax motor and an ejector rod, wherein the wax motor is arranged in the shell and is provided with an output end, and the ejector rod is arranged in front of the output end through an elastic element so as to extend out of or retract into the shell along the opening and closing direction of a door body when the wax motor acts. The automatic door opening device has the advantages of simple structure, good stability and convenience in realizing automatic door opening. The invention also relates to a household appliance provided with the automatic door opening device.)

1. The utility model provides an automatic door opener, includes casing (1), wax motor (2) and knock-out lever (3), wax motor (2) are located in casing (1) and have output (5), its characterized in that, knock-out lever (3) are located through elastic element (4) the place ahead of output (5) with stretch out or retract along door body switching direction when wax motor (2) move in casing (1).

2. The automatic door opener according to claim 1, characterized in that a first chamber and a second chamber are provided in the housing (1) and are connected through a connecting piece (6), the wax motor (2) is provided in the first chamber, one side of the connecting piece (6) abuts against the output end (5) and the other side is connected with the ejector rod (3) through the elastic element (4), and the connecting piece (6) and the ejector rod (3) are slidably provided in the second chamber.

3. The automatic door opening device according to claim 2, wherein a sliding groove (7) is formed in the inner wall of the second chamber, the connecting member (6) and the ejector rod (3) are respectively provided with a first sliding portion (10) and a second sliding portion (11) corresponding to the sliding groove (7), and the first sliding portion (10) and the second sliding portion (11) are respectively connected with the sliding groove (7).

4. Automatic door opener according to claim 2 or 3, characterized in that the coupling (6) on the side facing the elastic element (4) and the end of the ejector rod (3) facing the elastic element (4) mate to form a third chamber in which the elastic element (4) is telescopically arranged.

5. Automatic door opener according to claim 4, characterized in that the connecting piece (6) comprises a first bottom wall and a first peripheral wall, the first bottom wall having one side abutting the output end (5) and the other side forming with the first peripheral wall a first cavity with an opening towards the resilient element (4);

the end part of the ejector rod (3) facing the elastic element (4) is correspondingly provided with a second bottom wall and a second peripheral wall, the second bottom wall and the second peripheral wall form a second cavity opposite to the first cavity, and the first cavity and the second cavity form the third cavity.

6. The automatic door opener according to claim 5, wherein the inner walls of the second chamber at opposite sides are respectively provided with sliding grooves (7), and the first and second peripheral walls are respectively provided with a first sliding portion (10) or a second sliding portion (11) corresponding to the sliding grooves (7) on the inner walls at opposite sides.

7. The automatic door opener according to any one of claims 4 to 6, characterized in that the connecting piece (6) is provided with a sleeve column on one side facing the elastic element (4) and the end of the ejector rod (3) facing the elastic element (4), and the elastic element (4) is a spring, and two ends of the spring are respectively sleeved on the sleeve columns.

8. An electric home appliance comprising a door body, characterized in that the automatic door opening device (100) according to any one of claims 1 to 7 is provided in a direction in which the door body is opened and closed to open the door body by a set angle using the automatic door opening device (100) when entering a drying stage.

9. The household appliance according to claim 8, wherein the household appliance comprises an installation upright post (8), a guide hole (9) is formed in a position of the installation upright post (8) corresponding to the opening and closing direction of the door body, and the ejection rod (3) of the automatic door opening device (100) penetrates through the guide hole (9).

10. The household appliance according to claim 8 or 9, wherein a clamping protrusion is arranged on the housing (1) of the automatic door opening device (100), a clamping hole is arranged on the mounting upright post (8), and the clamping protrusion is connected with the clamping hole to fix the automatic door opening device (100) on the household appliance.

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to an automatic door opening device and a household appliance.

Background

The appearance of the dish washing machine makes important contributions to the labor liberation and the improvement of human life, and the dish washing machine is a necessary household appliance at present. The performances of the dishwasher such as cleaning, energy consumption, drying and the like are mutually related, and the change of parameters can restrict one performance while improving the other performance. After the rinsing of the dish-washing machine is finished, the dish-washing machine is dried, if the temperature is lower, the water on the tableware is slowly evaporated, and the water on the tableware is more remained when the washing is finished, so that the drying rate is low; the temperature is higher, the drying rate of the tableware is improved, but the power consumption is increased, and the energy consumption level is low. In order to coordinate drying rate and energy consumption, an automatic door opening mechanism is provided.

For example, chinese patent application 201710422877.3 discloses an automatic mechanism of opening door, including installing the subassembly of opening the door on dish washer, the subassembly of opening the door include box body, wax motor, door knock-out lever and door knock-out lever driving lever, the wax motor establish in the box body, door knock-out lever driving lever one end normal running fit in the box body, the door knock-out lever other end be connected with the door knock-out lever, the piston rod and door knock-out lever middle part of wax motor be connected, the piston rod of wax motor drive door knock-out lever driving lever and rotate, door knock-out lever indentation when the swing of door knock-out lever driving lever or stretch out the box body. The technical scheme of the patent application has the advantages of multiple parts, complex connection, easy damage after long-term use and poor stability.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an automatic door opening device and a household appliance.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides an automatic door opener, includes casing, wax motor and liftout pole, the wax motor is located in the casing and have the output end, the liftout pole is located through elastic element the place ahead of output end to when the wax motor moves, stretch out or retract along the door body direction of opening and close in the casing.

As an implementation manner, a first cavity and a second cavity which are communicated through a connecting piece are arranged in the shell, the wax motor is arranged in the first cavity, one side of the connecting piece is abutted to the output end, the other side of the connecting piece is connected with the ejector rod through the elastic element, and the connecting piece and the ejector rod are slidably arranged in the second cavity.

In one embodiment, a sliding groove is formed in an inner wall of the second chamber, the connecting member and the ejector rod are respectively provided with a first sliding portion and a second sliding portion corresponding to the sliding groove, and the first sliding portion and the second sliding portion are respectively connected to the sliding groove.

In one embodiment, a third chamber is formed by the connection piece and the end of the ejector rod facing the elastic element, and the elastic element is telescopically arranged in the third chamber.

As an embodiment, the connecting piece comprises a first bottom wall and a first peripheral wall, one side of the first bottom wall is abutted with the output end, and the other side of the first bottom wall and the first peripheral wall form a first cavity with an opening facing the elastic element;

the ejector rod is provided with a second bottom wall and a second peripheral wall correspondingly facing the end part of the elastic element, the second bottom wall and the second peripheral wall form a second cavity opposite to the first cavity, and the first cavity and the second cavity form the third cavity.

In one embodiment, the inner walls of the two opposite sides of the second chamber are respectively provided with a sliding slot, and the first and second peripheral walls are respectively provided with a first sliding part or a second sliding part corresponding to the sliding slots on the inner walls of the two opposite sides.

As an embodiment, a side of the connecting piece facing the elastic element and an end of the ejector rod facing the elastic element are respectively provided with a sleeve column, the elastic element is a spring, and two ends of the spring are respectively sleeved on the sleeve columns.

Another object of the present invention is to provide a household appliance, which includes a door body, wherein any one of the automatic door opening devices described above is disposed in a direction of opening and closing the door body, so that the door body is opened by a set angle by the automatic door opening device when entering a drying stage.

As an implementation mode, the household appliance comprises an installation upright post, a guide hole is formed in a position of the installation upright post corresponding to the opening and closing direction of the door body, and an ejector rod of the automatic door opening device penetrates through the guide hole.

As an implementation mode, a clamping protrusion is arranged on a shell of the automatic door opener, a clamping hole is arranged on the mounting upright post, and the clamping protrusion is connected with the clamping hole to fix the automatic door opener on the household appliance.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

the automatic door opening device is simple in structure, few in parts, simple, convenient and stable in arrangement mode, not easy to damage and convenient and fast to operate. The household appliance is provided with the automatic door opening device, so that the drying performance is improved without increasing energy consumption.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is an exploded view of an automatic door opener according to the present invention;

fig. 2 is a sectional view of the automatic door opening device of fig. 1;

FIG. 3 is a schematic view of the automatic door opener of the present invention mounted on a dishwasher;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the automatic door opener of the present invention mounted on a dishwasher;

FIG. 6 is an enlarged view of portion B of FIG. 5;

fig. 7 is a partial structural view of the automatic door opening device of the present invention.

The figure is marked with: 100. an automatic door opening device; 1. a housing; 2. a wax motor; 3. ejecting the rod; 4. an elastic element; 5. an output end; 6. a connecting member; 7. a chute; 8. mounting the upright post; 9. a guide hole; 10. a first sliding section; 11. a second sliding part.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.