CN108072224B

CN108072224B - Folding door refrigerator and folding door opening and closing device thereof

Info

Publication number: CN108072224B
Application number: CN201611018533.8A
Authority: CN
Inventors: 李文杰
Original assignee: Suzhou Samsung Electronics Co Ltd; Samsung Electronics Co Ltd
Current assignee: Suzhou Samsung Electronics Co Ltd; Samsung Electronics Co Ltd
Priority date: 2016-11-18
Filing date: 2016-11-18
Publication date: 2020-02-14
Anticipated expiration: 2036-11-18
Also published as: CN108072224A

Abstract

The invention discloses a folding door opening and closing device of a folding door refrigerator, which comprises a first armature arranged on a first door body, a second armature arranged on a refrigerator body, and an electromagnetic induction switch arranged on a second door body and used for conducting and attracting the second armature when the first door body is opened and conducting and attracting the first armature when the second door body is opened. According to the folding door opening and closing device disclosed by the invention, the first armature on the first door body, the second armature on the box body and the electromagnetic induction switch on the second door body are utilized to meet the opening and closing design requirements of the first door body or the second door body by utilizing the electromagnetic attraction effect, and compared with a mechanical component in the prior art, the folding door opening and closing device has the advantages that the service life, the stability and the convenience of the folding door are improved. The invention also discloses a folding door refrigerator comprising the folding door opening and closing device, and the folding door refrigerator has the beneficial effects as described above.

Description

Folding door refrigerator and folding door opening and closing device thereof

Technical Field

The invention relates to the technical field of mechanical electronics, in particular to a folding door opening and closing device of a folding door refrigerator. The invention also relates to a folding door refrigerator comprising the folding door opening and closing device.

Background

With the development of the Chinese mechanical electronic industry, more and more mechanical devices are widely applied.

Household appliances are mechanical and electronic devices which people contact most frequently in daily life, and generally comprise a refrigerator, a washing machine, a television, an air conditioner and the like. Taking a refrigerator as an example, the refrigerator is a refrigerating apparatus for keeping a constant low temperature, and is also a product for keeping food or other articles in a constant low temperature cold state.

The traditional refrigerator is generally vertical or horizontal, and can be divided into an up-and-down opening and closing door or a horizontal sliding and pushing door. For this reason, a new type of folding door refrigerator appears on the market. The folding door refrigerator comprises two folding doors which are arranged at two sides of a main storage chamber in a split mode, the folding door at each side comprises an inner door body and an outer door body, the food storage and storage condition in the main storage chamber can be observed through the inner door body after the outer door body is opened, meanwhile, a plurality of secondary storage chambers are arranged on the inner surface of the inner door body, different kinds of food can be stored, and the food can be directly taken from the main storage chamber and placed after the inner door body is opened.

The folding doors of the folding door refrigerator comprise an inner door body and an outer door body, so the switch design of the folding door refrigerator is particularly important. In the prior art, in order to achieve a preset opening and closing control effect for the inner door body and the outer door body of the folding door, the inner door body and the outer door body are generally clamped with a buckle of a main storage chamber or are locked by a latch device and other mechanical components. However, under long-term use, the folding door of the refrigerator is frequently opened and closed, abrasion friction between mechanical components is inevitably aggravated, such as abrasion between buckles, and the like, and the mechanical components have higher requirements on assembly precision between various parts, and when the sizes of the parts are changed due to abrasion and the like, the requirements on opening and closing of the inner door body and the outer door body cannot be often completed, so that the service life of the mechanical components is shorter, and the stability is poorer.

Therefore, how to improve the service life, stability and convenience of the folding door on the basis of meeting the design requirements of the folding door switch of the folding door refrigerator is a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a folding door opening and closing device of a folding door refrigerator, which can improve the service life, stability and convenience of a folding door on the basis of meeting the design requirement of the folding door opening and closing of the folding door refrigerator.

In order to solve the technical problem, the invention provides a folding door opening and closing device of a folding door refrigerator, which comprises a first armature arranged on a first door body, a second armature arranged on a refrigerator body, and an electromagnetic induction switch arranged on a second door body and used for conducting and attracting the second armature when the first door body is opened and conducting and attracting the first armature when the second door body is opened.

Preferably, the door further comprises a first magnet arranged on the first door body, a second magnet arranged on the second door body, and a magnetic sensitive switch arranged on the box body and used for enabling the electromagnetic induction switch to be conducted through the change of the magnetic field of the first magnet when the first door body is opened and enabling the electromagnetic induction switch to be conducted through the change of the magnetic field of the second magnet when the second door body is opened.

Preferably, the electromagnetic induction switch further comprises a relay module which is arranged in the box body and used for keeping the electromagnetic induction switch in a conducting state after being conducted.

Preferably, the electromagnetic induction switch is arranged at a far end position of the second door body opposite to the rotating shaft of the electromagnetic induction switch, the first armature is arranged at a position of the first door body corresponding to the electromagnetic induction switch, and the second armature is arranged at a position of the box body corresponding to the electromagnetic induction switch.

Preferably, a center sill is longitudinally arranged at the middle position of the box body, and the second armature is arranged in the center sill.

Preferably, the magnetic sensitive switch is arranged at the top of the box body, the first magnet is arranged at a position corresponding to the top of the first door body, and the second magnet is arranged at a position corresponding to the top of the second door body.

Preferably, the magnetic switch further comprises an electromagnetic shielding plate arranged at the top of the box body and used for protecting the magnetic switch from external interference.

The invention also provides a folding door refrigerator, which comprises a refrigerator body and a folding door opening and closing device arranged on the refrigerator body, wherein the folding door opening and closing device is any one of the folding door opening and closing devices.

The invention provides a folding door opening and closing device of a folding door refrigerator, which mainly comprises a first armature, a second armature and an electromagnetic induction switch. The first armature is arranged on the first door body, the second armature is arranged on the box body, and the electromagnetic induction switch is arranged on the second door body. The first door body and the second door body are main components of the folding door, and generally the first door body is arranged outside, and the second door body is arranged inside. The electromagnetic induction switch is mainly used for conducting when the first door body is opened and attracting the second armature, and conducting when the second door body is opened and attracting the first armature. Therefore, when the folding door opening and closing device is used by a user, if the user firstly opens the first door body, the electromagnetic induction switch is conducted after the first door body has a certain opening degree, a magnetic field is generated, and the electromagnetic induction switch and the second armature iron on the box body generate a magnetic attraction effect, so that the second door body is tightly attached to the box body, the situation that the second door body is simultaneously taken out due to misoperation and the like when the user opens the first door body is avoided, and the second door body and food in the main storage chamber are effectively protected. Meanwhile, if when the user directly opens the second door body (the first door body and the second door body can be combined into a whole and opened at the same time), the second door body generates a certain opening degree and triggers the electromagnetic induction switch to be conducted to generate a magnetic field, at the moment, the electromagnetic induction switch and the first armature on the first door body generate a magnetic attraction effect, so that the first door body is tightly attached to the surface of the second door body, the phenomenon that the first door body and the second door body are separated uncontrollably when the user directly opens the second door body is avoided, and the safety protection is effectively formed on the second door body through the first door body. In summary, the folding door opening and closing device provided by the invention utilizes the electromagnetic attraction effect to complete the opening and closing design requirements of the first door body or the second door body through the first armature on the first door body, the second armature on the box body and the electromagnetic induction switch on the second door body, and compared with a mechanical component in the prior art, the folding door opening and closing device has the advantages that the service life, the stability and the convenience of the folding door are improved.

Drawings

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

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a partially exploded view of fig. 1.

Wherein, in fig. 1-2:

the electromagnetic door comprises a box body-1, a first door body-2, a first armature-3, a second armature-4, a second door body-5, an electromagnetic induction switch-6, a first magnet-7, a second magnet-8, a magnetic sensitive switch-9 and an electromagnetic shielding plate-10.

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.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, and fig. 2 is an exploded schematic partial structure diagram of fig. 1.

In one embodiment of the invention, the folding door opening and closing device of the folding door refrigerator mainly comprises a first armature 3, a second armature 4 and an electromagnetic induction switch 6.

The refrigerator body 1 is a main structure of a refrigerator, the first door body 2 and the second door body 5 are arranged on the refrigerator body 1 and are main components of a refrigerator folding door, generally, the first door body 2 is an outer door body, and the second door body 5 is an inner door body. And, the first door body 2 and the second door body 5 can be turned over in the circumferential direction around the inner side ends thereof. When the first door body 2 and the second door body 2 are not used, the first door body 2 and the second door body 2 are tightly attached and overlapped into a whole, when the door is opened, a user can select to open the first door body 2 for clear observation and then open the second door body 5 according to needs, certainly, the second door body 5 can also be directly opened, and at the moment, the first door body 2 and the second door body 5 are used as a whole.

The first armature 3 is arranged on the first door body 2, the second armature 4 is arranged on the box body 1, and the electromagnetic induction switch 6 is arranged on the second door body 5, and is mainly used for conducting when the first door body 2 is opened and attracting the second armature 4 on the box body 1 (the first armature 3 is arranged on the first door body 2, when the first door body 2 is opened, the electromagnetic induction switch 6 is far away from the first armature 3, so that the attraction cannot be achieved); meanwhile, when the second door body 5 is opened, the first door body 5 can be conducted and attract the first armature 3 on the first door body 2 (in the same way as when the first door body 2 is opened, the electromagnetic induction switch 6 cannot attract the second armature 4 at the moment).

Thus, when a user uses the folding door opening and closing device provided by the invention, if the user opens the first door body 2 at first, after the first door body 2 has a certain opening, the electromagnetic induction switch 6 is switched on to generate a magnetic field, and generates a magnetic attraction effect with the second armature iron 4 on the box body 1, so that the second door body 5 is tightly attached to the box body 1, the situation that the second door body 5 is brought out simultaneously due to misoperation and the like when the user opens the first door body 2 is avoided, and the protection is effectively formed on the second door body 5 and food in the main storage chamber (which can be equal to the box body 1). Meanwhile, if the user directly opens the second door body 5, the second door body 5 generates a certain opening degree and triggers the electromagnetic induction switch 6 to conduct to generate a magnetic field, at the moment, the electromagnetic induction switch 6 and the first armature 3 on the first door body 2 generate a magnetic attraction effect, so that the surface of the first door body 2 and the surface of the second door body 5 are tightly attached, the phenomenon that the first door body 2 and the second door body 5 are uncontrollably separated when the user directly opens the second door body 5 is avoided, and the safety protection is effectively formed on the second door body 5 through the first door body 2.

In summary, the folding door opening and closing device provided by the invention utilizes the electromagnetic attraction effect to meet the opening and closing design requirements of the first door body 2 or the second door body 5 through the first armature 3 on the first door body 2, the second armature 4 on the box body 1 and the electromagnetic induction switch 6 on the second door body 5, and compared with the mechanical component in the prior art, the folding door opening and closing device improves the service life, stability and convenience of the folding door.

In order to smoothly turn on the electromagnetic switch 6 when the first door 2 or the second door 5 is opened, in the present embodiment, the first magnet 7 is provided on the first door 2, the second magnet 8 is provided on the second door 5, and the magnetic switch 9 is provided on the cabinet 1. The magnetic sensitive switch 9 is used for sensing the magnetic field change of the first magnet 7 or the second magnet 8, when the magnetic field of the first magnet 7 or the second magnet 8 changes, for example, the magnetic field strength becomes larger or smaller, the magnetic field direction changes, and the like, the circuit characteristics of sensitive elements such as a magnetic resistor and the like in the magnetic sensitive switch 9 can change obviously, so that a series of actions are triggered by the change, and the electromagnetic inductive switch 6 is turned on. Thus, when the user opens the first door body 2, the first magnet 7 on the first door body 2 is rapidly away from the magnetic sensitive switch 9, that is, the magnetic field intensity sensed by the magnetic sensitive switch 9 is rapidly attenuated, and the signal triggers the conduction operation, so that the electromagnetic sensitive switch 6 is conducted. Similarly, when the user opens the second door body 5, the second magnet 8 on the second door body 5 is rapidly away from the magnetic sensitive switch 9, the magnetic field intensity sensed by the magnetic sensitive switch 9 is rapidly attenuated, and the conduction operation is also triggered, so that the electromagnetic induction switch 6 is conducted.

In addition, this embodiment has still add relay module, and this relay module sets up in box 1, and with electromagnetic induction switch 6 intercommunication, mainly used make electromagnetic induction switch 6 keep the conducting state after being switched on. So, when people want to close after opening first door body 2 or second door body 5, because electromagnetic induction switch 6 keeps the conducting state, consequently when first door body 2 is close to second door body 5 or second door body 5 is close to box 1, electromagnetic induction switch 6 and first armature 3 or the attraction of second armature 4 can be as the helping hand that supplementary people closed first door body 2 or second door body 5 for switch operation is convenient laborsaving more.

Based on the same consideration, in this embodiment, the electromagnetic induction switch 6 may be disposed at a far end position of the second door body 5 opposite to its own rotation axis — the second door body 5 may perform a turning motion, where its rotation axis is a side edge of itself, and a side edge opposite to the side edge is a far end position. Meanwhile, in order to correspond to the position where the electromagnetic induction switch 6 is disposed, so that the magnetic attraction is enhanced, the first armature 3 may be disposed at a position on the first door body 2 corresponding to the electromagnetic induction switch 6, which may generally be a distal position on the first door body 2 opposite to its own rotation axis, and similarly, the second armature 4 may also be disposed at a corresponding position on the box body 1, which may generally be an intermediate position of the box body 1.

Further, a center sill is generally provided at a middle position of the cabinet 1 to separate the two folding doors. Thus, the second armature 4 can be arranged in the center sill to realize a hidden design. Similarly, the first armature 3 may be disposed inside the first door 2, and the electromagnetic switch 6 may be disposed inside the second door 5.

In addition, the magnetic sensitive switch 9 may be disposed at a top position of the cabinet 1, while the first magnet 7 may be disposed at a top corresponding position of the first door body 2, and the second magnet 8 may be disposed at a top corresponding position of the second door body 5. Of course, the installation positions of the magnetic sensitive switch 9 and the first and

second magnets

7 and 8 on the respective installation parts are not fixed, and can be adjusted according to actual installation requirements.

Moreover, considering that the sensitivity of the magnetic sensitive switch 9 is high and the magnetic sensitive switch is easily interfered by external electronic and electrical appliances, for this reason, the electromagnetic shielding plate 10 is arranged at the top of the box body 1, and is specially used for providing electromagnetic protection for the magnetic sensitive switch 9, avoiding external electromagnetic interference and improving the sensing accuracy of the magnetic sensitive switch 9 on the magnetic field change of the first magnet 7 and the second magnet 8.

The invention also provides a folding door refrigerator, which comprises a refrigerator body 1 and a folding door opening and closing device arranged on the refrigerator body 1, wherein the folding door opening and closing device is the same as the folding door opening and closing device, and the details are not repeated.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The folding door opening and closing device of the folding door refrigerator is characterized by comprising a first door body (2) and a second door body (5) which are arranged on a refrigerator body (1) in a circumferential overturning manner and are closely overlapped when not used, a first armature (3) arranged on the first door body (2), a second armature (4) arranged on the refrigerator body (1), and an electromagnetic induction switch (6) which is arranged on the second door body (5) and is used for conducting and attracting the second armature (4) when the first door body (2) is opened and conducting and attracting the first armature (3) when the second door body (5) is opened.

2. The folding door opening and closing device according to claim 1, further comprising a first magnet (7) disposed on the first door body (2), a second magnet (8) disposed on the second door body (5), and a magnetic sensitive switch (9) disposed on the box body (1) and configured to turn on the electromagnetic inductive switch (6) by a change in a magnetic field of the first magnet (7) when the first door body (2) is opened, and to turn on the electromagnetic inductive switch (6) by a change in a magnetic field of the second magnet (8) when the second door body (5) is opened.

3. A folding door opening and closing device according to claim 2, characterized in that it further comprises an electromagnetic shielding plate (10) arranged on the top of said box (1) for shielding said magnetic sensitive switch (9) from external interference.

4. The folding door opening and closing device according to claim 3, wherein the magnetic sensitive switch (9) is arranged at the top of the box body (1), the first magnet (7) is arranged at the position corresponding to the top of the first door body (2), and the second magnet (8) is arranged at the position corresponding to the top of the second door body (5).

5. The folding door switch device according to claim 1, further comprising a relay module disposed in the box body (1) for maintaining the electromagnetic induction switch (6) in a conductive state after it is turned on.

6. The folding door switch device according to claim 1, wherein the electromagnetic induction switch (6) is disposed at a distal end position of the second door body (5) opposite to a rotation axis thereof, the first armature (3) is disposed at a position of the first door body (2) corresponding to the electromagnetic induction switch (6), and the second armature (4) is disposed at a position of the box body (1) corresponding to the electromagnetic induction switch (6).

7. A folding door opening and closing device according to claim 1, characterized in that a centre beam is provided in a longitudinal direction at a middle position of the box (1) and the second armature (4) is built into the centre beam.

8. A folding door refrigerator comprising a box body (1) and a folding door opening and closing device arranged on the box body (1), characterized in that the folding door opening and closing device is the folding door opening and closing device according to any one of claims 1 to 7.