阅读说明：本技术 一种冰箱自动开门机构及其使用方法 (Automatic door opening mechanism of refrigerator and using method thereof ) 是由 张影 张琪 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种冰箱自动开门机构,涉及冰箱技术领域。本发明包括自动开门装置和门封条,还包括泵体,泵体安装与门体外壁或内部；门封条具有密闭结构的气囊；气囊靠近门体的内侧壁固定连接有若干磁铁；气囊通过管道与泵体,用于通过泵体将介质注入气囊,使气囊膨胀,并将磁铁拉离冰箱箱体。本发明通过泵体向门封条的气囊内注入介质,利用气囊的膨胀将磁铁拉离箱体,从而使门体与冰箱箱体间失去吸力,使得自动开门装置开门时,门体不会出现突然弹开的情况,有效的避免了冰箱晃动和开门噪音较大的情况发生,且避免了门体打开后的移动的速度较快,容易伤到用户的情况发生,有效的消除了冰箱自动开门存在误伤人体的安全隐患。(The invention discloses an automatic door opening mechanism of a refrigerator, and relates to the technical field of refrigerators. The automatic door opening device comprises an automatic door opening device, a door seal and a pump body, wherein the pump body is arranged on the outer wall or the inner part of a door body; the door seal is provided with an air bag with a closed structure; the inner side wall of the air bag close to the door body is fixedly connected with a plurality of magnets; the air bag passes through the pipeline and the pump body and is used for injecting a medium into the air bag through the pump body, so that the air bag expands and pulls the magnet away from the refrigerator body. According to the invention, the medium is injected into the air bag of the door seal strip through the pump body, and the magnet is pulled away from the refrigerator body by utilizing the expansion of the air bag, so that the suction force between the door body and the refrigerator body is lost, and when the automatic door opening device opens the door, the door body cannot be popped open suddenly, thereby effectively avoiding the conditions of refrigerator shaking and high door opening noise, avoiding the conditions that the door body is moved at a high speed after being opened and is easy to hurt a user, and effectively eliminating the potential safety hazard that the human body is accidentally injured when the refrigerator is automatically opened.)

1. An automatic door opening mechanism of a refrigerator comprises an automatic door opening device and a door seal (1); the door seal (1) is arranged on the outer wall of the door body; the method is characterized in that:

the pump body is also included; the pump body is arranged on the outer wall or inside the door body; the door seal (1) is provided with an air bag (101) with a closed structure; the inner side wall of the air bag (101) close to the door body is fixedly connected with a plurality of magnets (102);

the air bag (101) is connected with the pump body through a pipeline and is used for injecting a medium into the air bag (101) through the pump body, so that the air bag (101) is expanded, and the magnet (102) is pulled away from the refrigerator body.

2. The automatic door opening mechanism for a refrigerator according to claim 1, wherein the medium is air.

3. The automatic door opening mechanism of the refrigerator as claimed in claim 1 or 2, wherein the magnets (102) are uniformly distributed along the length direction of the door seal (1).

4. A method for using an automatic door opening mechanism of a refrigerator according to any one of claims 1 to 3, comprising the steps of:

the method comprises the following steps: when the refrigerator system receives a door opening signal, judging whether the door body is in an opening state, if so, not starting the door opening mechanism; if not, executing the next step;

step two: the pump body is started, a medium is injected into an air bag (101) of the door seal (1), the air bag (101) is expanded, and the magnet (102) is pulled away from the refrigerator body;

step three: the automatic door opening device is started to push the door body and open the door body;

step four: and after the door body is opened, the pump body stops.

5. A control system of an automatic door opening mechanism for a refrigerator according to any one of claims 1 to 3, comprising:

the sensing module is used for detecting whether the door body is in an opening state or not;

and the control module receives the detection information of the induction module and controls the starting and stopping of the pump body and the automatic door opening device according to the detection information.

Technical Field

The invention belongs to the technical field of refrigerators, and particularly relates to an automatic door opening mechanism of a refrigerator and a using method thereof.

Background

Most of the existing refrigerators need manual door opening, so that a user is inconvenient to hold articles to open the door, and the automatic door opening refrigerator can well solve the problems. An automatic door opening refrigerator is disclosed, for example, chinese invention, CN201410242417.9, discloses an automatic door opening device for a refrigerator and a refrigerator with the same. This technical scheme is through gear drive control ejector pin removal, and the ejector pin removes the in-process and has enough big thrust and open the refrigerator door to realize automatic opening the door.

However, in the automatic door opening device for the refrigerator, when the ejector rod pushes the door body, the suction force of the door seal strip needs to be overcome, so that the automatic door opening is realized. Some large-volume refrigerators have large door seal suction force, and in order to overcome the door seal suction force, the ejector rod generally needs to lift the ejection force of the ejector rod to meet the door opening requirement. Although the door body can be opened, a new problem is brought about: in the process of pushing open, the condition of popping open suddenly can appear in the door body for the production of refrigerator rocks, and the noise of opening the door is great, and the speed of the removal after the door body is opened is very fast, hurts the user easily, especially children or old man, has certain potential safety hazard.

Disclosure of Invention

The invention aims to provide an automatic door opening mechanism of a refrigerator, which is characterized in that a medium is injected into an air bag of a door seal, and a magnet is pulled away from a refrigerator body by utilizing the expansion of the air bag, so that the suction force between a door body and the refrigerator body is lost, and the problems that the existing refrigerator is easy to shake when the door is automatically opened, and the door body is high in moving speed after being opened and has potential safety hazards are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic door opening mechanism of a refrigerator, which comprises an automatic door opening device, a door seal and a pump body; the door seal is arranged on the outer wall of the door body; the pump body is arranged on the outer wall or inside the door body; the door seal is provided with an air bag with a closed structure; the inner side wall of the air bag close to the door body is fixedly connected with a plurality of magnets; the air bag passes through the pipeline and the pump body and is used for injecting a medium into the air bag through the pump body, so that the air bag expands and pulls the magnet away from the refrigerator body.

Further, the medium is air.

Furthermore, the magnets are uniformly distributed along the length direction of the door seal.

The use method of the automatic door opening mechanism of the refrigerator comprises the following steps:

the method comprises the following steps: when the refrigerator system receives a door opening signal, judging whether the door body is in an opening state, if so, not starting the door opening mechanism; if not, executing the next step;

step two: the pump body is started, a medium is injected into the air bag of the door seal, the air bag expands, and the magnet is pulled away from the refrigerator body;

step three: the automatic door opening device is started to push the door body and open the door body;

step four: and after the door body is opened, the pump body stops.

A control system of an automatic door opening mechanism of a refrigerator, comprising: the door body opening detection device comprises a sensing module and a control module, wherein the sensing module is used for detecting whether the door body is in an opening state or not; the control module receives the detection information of the induction module and controls the starting and stopping of the pump body and the automatic door opening device according to the detection information.

The invention has the following beneficial effects:

according to the invention, the pump body is filled with the medium into the air bag of the door seal strip, and the magnet is pulled away from the refrigerator body by the expansion of the air bag, so that the suction force between the door body and the refrigerator body is lost, and the door body cannot be suddenly bounced open when the automatic door opening device opens the door, thereby effectively avoiding the occurrence of the conditions of refrigerator shaking and high door opening noise.

Meanwhile, the situation that the door body is fast to move after being opened and easily hurts a user is avoided, and the potential safety hazard that the human body is accidentally injured when the refrigerator is automatically opened is effectively eliminated.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an automatic door opening mechanism of a refrigerator and a method for using the same according to the present invention;

FIG. 2 is a flow chart of the method of use of the automatic door opening mechanism of the refrigerator according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-door seal, 101-air bag, 102-magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1, the present invention is an automatic door opening mechanism for a refrigerator, including an automatic door opening device and a door seal 1, and further including a pump body. The automatic door opener is arranged at the top of the refrigerator body. The door seal 1 is installed on the outer wall of the door body, and the door seal 1 can be of an integrated annular structure or four sections and is enclosed into a rectangle for sealing between the door body and the refrigerator body.

The pump body is arranged on the outer wall or inside of the door body. The door seal 1 has an air bag 101 with a closed structure; the inner side wall of the air bag 101 close to the door body is fixedly connected with a plurality of magnets 102, and the magnets 102 are uniformly distributed along the length direction of the door seal 1.

Can set up the interlayer in the gasbag 101, separate into two inclosed cavities each other with gasbag 101, be used for installing magnet 102 in being close to the cavity of door body one side, be close to the cavity of refrigerator box one side and produce the inflation after being used for injecting into the medium, through airtight with magnet 102, the condition emergence of the stability of causing the influence to magnet 102 installation when avoiding the medium to inject.

The air bag 101 is connected with the pump body through a pipeline, and is used for injecting a medium into the air bag 101 through the pump body, expanding the air bag 101 and pulling the magnet 102 away from the refrigerator body. Wherein the medium is air. It may also be an inert gas such as nitrogen. The door body is internally provided with an air storage container which is connected with the pump body through a hose, and nitrogen is injected into the air bag 101 through the pump body when the air bag is used. Also, the medium may be a liquid substance.

A method for using an automatic door opening mechanism of a refrigerator, as shown in fig. 2, comprising the steps of:

the method comprises the following steps: when the refrigerator system receives a door opening signal, judging whether the door body is in an opening state, if so, indicating that the door body is in the opening state, and not starting the door opening mechanism; if not, executing the next step.

Step two: the pump body is started, a medium is injected into the air bag 101 of the door seal 1, the air bag 101 is expanded, and the magnet 102 is pulled away from the refrigerator body, so that the suction force between the door body and the refrigerator body is lost.

Step three: the automatic door opener starts, pushes away the door body, opens the door body, because lose suction between the door body and refrigerator box, automatic door opener's ejector pin can easily push the door body open, the condition that the door body can appear popping open suddenly can not appear to avoid the refrigerator to produce and rock and the great condition of noise that opens the door. And because the door body is slowly opened through the ejector rod of the automatic door opening device, the situation that a user is easily injured when the door body is opened and certain potential safety hazards exist is effectively avoided.

Step four: after the door body is opened, the pump body stops, the medium is discharged from the air bag 101, the door body extrudes the door seal strip 1 after the door is closed, and then the magnet 102 adsorbs the box body by extruding the air bag 101, so that the sealing between the door body and the box body is realized.

A control system of an automatic door opening mechanism of a refrigerator, comprising: the sensing module is used for detecting whether the door body is in an opening state or not, and the door body position is detected through a proximity switch, a travel switch and the like. The control module receives the detection information of the induction module, namely determines whether the door body is in an open state, and controls the starting and stopping of the pump body and the automatic door opening device according to the detection information so as to realize the automatic door opening process of the using method of the automatic door opening mechanism of the refrigerator.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.