CN215002462U - Refrigerator with a door - Google Patents

Abstract

The utility model relates to a refrigerator, which comprises a refrigerator body, a hinge component, a door body and a stop component; the hinge assembly is arranged on the box body; the door body is rotationally connected to the hinge assembly; the stop assembly comprises a first stop block and a second stop block which are distributed in an included angle; the first stop block and the second stop block are movably arranged on the hinge assembly; when the door body is in an opening state, the first stop block and the second stop block can stretch into a gap between the box body and the door body, so that the door body is limited in an included angle space between the first stop block and the second stop block. The utility model utilizes the first stop block and the second stop block to form an included angle space, when the door body is in a door opening state, the first stop block and the second stop block can extend into a gap between the door body and the box body to prevent the door body from rotating, thereby keeping or limiting the rotation angle of the door body, preventing the door body from colliding and being convenient for taking articles; when the door body needs to be closed, the first stop block and the second stop block can also exit the gap so as to prevent the door body from being blocked to rotate and close.

Description

Refrigerator with a door

Technical Field

The utility model relates to a refrigeration plant technical field, in particular to refrigerator.

Background

With the development of science and technology, refrigerators have become one of the essential household appliances. At present, an upper hinge shaft and a lower hinge shaft are usually matched with an upper shaft sleeve and a lower shaft sleeve of a door body of a refrigerator, so that the door body rotates around the hinge shafts, and the door is opened and closed.

In the related art, when the door of the refrigerator is opened and closed, the door is opened and closed only by artificial acting force, and the door opening angle cannot be kept after the door is opened, so that the door is inconvenient to take; and when the door opening force is large, the door body is easy to be opened to the maximum and generates impact, so that the door body of the refrigerator is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator to optimize the door body structure of refrigerator among the prior art, and then optimize the switch door operation of the door body.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the present invention, the utility model provides a refrigerator, this refrigerator includes: a box body, wherein a refrigeration chamber is arranged in the box body; the hinge assembly is arranged on the box body; the door body is rotationally connected to the hinge assembly so as to open and close the refrigeration compartment; the stop assembly comprises a first stop block and a second stop block which are distributed at an included angle; the first stop block and the second stop block are movably arranged on the hinge assembly; when the door body is in an open state, the first stop block and the second stop block can extend into a gap between the box body and the door body, so that the door body is limited in an included angle space between the first stop block and the second stop block.

According to some embodiments of the present application, the stopper assembly further comprises a stopper motor fixedly disposed on the hinge assembly; the stop motor is connected with the first stop block and the second stop block, and can drive the first stop block and the second stop block to extend into or withdraw from a gap between the box body and the door body.

According to some embodiments of the present application, the stopping assembly further comprises a receiving box disposed at an output end of the stopping motor, the receiving box being configured to receive the first stopping block and the second stopping block therein; the stop motor can drive the first stop block and the second stop block to extend out of the storage box and extend into a gap between the box body and the door body; and the stop motor can drive the first stop block and the second stop block to retract into the containing box and withdraw from a gap between the box body and the door body.

According to some embodiments of the present application, an included angle between the first stopper and the second stopper is equal to or greater than 90 °.

According to some embodiments of the present application, the hinge assembly includes an upper hinge provided at a top of the cabinet and a lower hinge provided at a bottom of the cabinet; the top of the door body is rotationally connected with the upper hinge, and the bottom of the door body is rotationally connected with the lower hinge; the first stop block and the second stop block are movably arranged on the upper hinge or the lower hinge.

According to some embodiments of the present application, a space is provided between the lower hinge and the bottom of the door body, or a space is provided between the upper hinge and the top of the door body, and the first stopper and the second stopper are movably disposed in the space; when the first stop block and the second stop block exit from the gap between the box body and the door body, the first stop block and the second stop block are positioned in the gap.

According to some embodiments of the application, the upper hinge or the lower hinge is provided with a driving motor, and an output shaft of the driving motor is in transmission connection with the door body and can drive the door body to rotate.

According to some embodiments of the present application, be equipped with the internal gear on driving motor's the output shaft, be equipped with the outer gear on the door body, the coaxial cover of outer gear is established the internal gear periphery, and with the internal gear meshing transmission.

According to some embodiments of the application, be equipped with position sensor on the door body, position sensor can detect the door body is relative first dog with the position of second dog, and can be in the door body is located first dog with produce control signal when the contained angle space of second dog.

According to some embodiments of the present application, an electromagnet is disposed on the box body, and a magnet corresponding to the electromagnet is disposed on the door body; the electromagnet has a state of repelling from the magnet and a state of attracting from the magnet.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

in the refrigerator provided by the embodiment of the utility model, the door body of the refrigerator is connected in a rotating way relative to the refrigerator body by utilizing the hinge assembly, the door opening and closing function of the refrigerator is realized, meanwhile, the stop assembly is movably arranged on the hinge assembly, namely, the first stop block and the second stop block form an included angle space, when the door body is in a door opening state, the first stop block and the second stop block can extend into a gap between the door body and the refrigerator body in the opening state, the door body is prevented from rotating, and further, the rotating angle of the door body is kept or limited, the door body is prevented from colliding due to random rotation, and articles in the refrigerator body can be conveniently taken; when the door body needs to be closed, the first stop block and the second stop block can also exit from the gap between the door body and the box body so as to prevent the door body from being blocked to rotate and close. Based on this, through add backstop subassembly on the hinge subassembly, realized the optimization of refrigerator door body structure, be favorable to optimizing the switch door operation of the door body.

Drawings

Fig. 1 is a front view of a refrigerator according to an embodiment of the present invention, and at this time, a door is in an open state.

Fig. 2 is a schematic view of the structure of fig. 1 from another perspective, wherein the first and second stops are in an extended state.

Fig. 3 is an enlarged schematic view of a region a in fig. 2.

Fig. 4 is a schematic view of the structure of the lower hinge and stop assembly of fig. 3.

FIG. 5 is a top view of the door body, lower hinge and stop assembly of FIG. 2.

Fig. 6 is an enlarged schematic view of a region B in fig. 5.

Fig. 7 is a schematic view of the structure of fig. 2 in another state, in which the first and second stoppers are in a contracted state.

Fig. 8 is an enlarged schematic view of region C in fig. 7.

Fig. 9 is a schematic structural diagram of the lower hinge, the driving motor, and the internal gear according to the embodiment of the present invention.

Fig. 10 is a schematic structural view of an internal gear according to an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of an internal gear and an external gear according to an embodiment of the present invention.

The reference numerals are explained below:

1. a box body; 11. a box liner; 12. an electromagnet; 2. a door body; 21. a magnet; 201. a front side wall face; 202. a left side wall surface; 203. an inner sidewall surface; 3. a lower hinge; 31. a shaft hole; 4. a stop motor; 41. a first stopper; 42. a second stopper; 43. a storage box; 5. a drive motor; 6. a connecting member; 7. an internal gear; 8. and an outer gear.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

With the development of science and technology, refrigerators have become one of the essential household appliances. At present, an upper hinge shaft and a lower hinge shaft are usually matched with an upper shaft sleeve and a lower shaft sleeve of a door body of a refrigerator, so that the door body rotates around the hinge shafts, and the door is opened and closed.

In the related art, when the door of the refrigerator is opened and closed, the door is opened and closed only by artificial acting force, and the door opening angle cannot be kept after the door is opened, so that the door is inconvenient to take; and when the door opening force is large, the door body is easy to be opened to the maximum and generates impact, so that the door body of the refrigerator is easy to damage.

For convenience of description, unless otherwise specified, the directions of the upper, lower, left, right, front and rear are all referred to herein as the state of the refrigerator in use, and the door of the refrigerator is front and the opposite direction is rear.

Fig. 1 is a front view of a refrigerator according to an embodiment of the present invention, and at this time, the door 2 is in an open state.

Referring to fig. 1, a refrigerator provided in an embodiment of the present invention mainly includes a refrigerator body 1, a door body 2, a hinge assembly, a stopper assembly, and a driving assembly.

The box body 1 can adopt a cuboid structure. A plurality of mutually separated refrigerating compartments can be arranged in the box body 1, and each separated refrigerating compartment can be used as an independent storage space, such as a freezing compartment, a refrigerating compartment, a temperature changing compartment and the like, so that different refrigerating requirements such as freezing, refrigerating and temperature changing can be met according to different food types, and the storage can be carried out. The multiple refrigerating compartments can be arranged in a vertically separated manner or in a horizontally separated manner.

A box container 11 is arranged in the box body 1, and a refrigerating chamber is formed in the box container 11. A plurality of the tank containers 11 may be provided. Only one refrigeration compartment or a plurality of refrigeration compartments may be provided in the same cabinet container 11.

The door body 2 is arranged on the front side of the box body 1 and used for opening and closing the refrigerating chamber. It can be understood that a plurality of door bodies 2 can be arranged, and the door bodies are arranged corresponding to the refrigeration chambers one by one. One door body 2 can also open and close a plurality of refrigeration compartments at the same time.

The door body 2 is connected with the box body 1 through a hinge assembly. The hinge assembly is arranged on the refrigerator body 1, the door body 2 is rotatably connected with the hinge assembly, and then the door body 2 rotates relative to the refrigerator body 1, and the door opening and closing function of the refrigerator is achieved.

The hinge assembly includes an upper hinge (not shown) and a lower hinge 3. The upper hinge is fixed at one corner of the front end of the top of the box body 1, and the lower hinge 3 is fixed at one corner of the front end of the bottom of the box body 1. One side of the top end of the door body 2 is rotationally connected with the upper hinge, and one side of the bottom end of the door body 2 is rotationally connected with the lower hinge 3. And the rotation axes of the top end and the bottom end of the door body 2 are on the same axis, so that the door body 2 of the refrigerator can rotate around the axis, the opening and closing of the door body 2 of the refrigerator are realized, and the corresponding refrigerating chamber is opened and closed.

Referring to fig. 1, in some embodiments, a magnet 21 is disposed on the door 2, and an electromagnet 12 capable of changing magnetic poles is disposed on the box 1. When the door 2 closes the refrigerating compartment on the cabinet 1, the electromagnet 12 faces the magnet 21. And the electromagnet 12 on the box body 1 can attract or repel the magnet 21 on the door body 2. Magnet 21 and electro-magnet 12 can correspond and set up two sets ofly, and a set of setting is respectively at the top of door body 2 and the top edge of box 1, and another set sets up respectively at the bottom of door body 2 and the bottom edge of box 1.

When the door body 2 needs to be opened, the magnetic poles of the electromagnet 12 can be switched, so that the electromagnet 12 and the magnet 21 on the door body 2 repel each other, the door body 2 is pushed open by the repulsive force, and the door opening force is further reduced.

When the door body 2 needs to be closed, the magnetic poles of the electromagnet 12 can be switched, so that the electromagnet 12 and the magnet 21 on the door body 2 attract each other, and further, when the door body 2 is closed, the door body 2 is tightly adsorbed on the box body 1 by utilizing the attraction force between the electromagnet 12 and the magnet 21 and is tightly matched with the box body 1, and cold leakage can be effectively prevented.

Fig. 2 is a schematic view of the structure of fig. 1 from another perspective, in which the first stopper 41 and the second stopper 42 are in an extended state. Fig. 3 is an enlarged schematic view of a region a in fig. 2. Fig. 4 is a schematic view of the structure of the lower hinge 3 and the stopper assembly of fig. 3.

The stop assembly is arranged on the hinge assembly and used for keeping or limiting the door opening angle of the door body 2 within a certain angle range when the door body 2 is in the door opening state. It should be noted that the stop assembly may be provided on the lower hinge 3, as shown in fig. 2 and 3, or on the upper hinge (not shown). Two sets of stop members may be provided, one set being provided on the upper hinge and the other set being provided on the lower hinge 3.

Referring to fig. 2 to 4, the stopping assembly includes a stopping motor 4, a first stopper 41, a second stopper 42 and a storage box 43.

Wherein, the stop motor 4 is fixedly arranged on the lower hinge 3. The stopper motor 4 may be provided at the bottom of the lower hinge 3 to improve space utilization. It will be appreciated that the stop motor 4 may be fixedly disposed on the top of the upper hinge when the stop assembly is disposed on the upper hinge.

The first stopper 41 and the second stopper 42 are both provided at the output end of the stopper motor 4. The output shaft of the stopping motor 4 faces the door body 2, and the stopping motor 4 can drive the first stopping block 41 and the second stopping block 42 to move upwards through the output shaft of the stopping motor to extend into the gap between the box body 1 and the door body 2 or withdraw from the gap between the box body 1 and the door body 2. It should be noted that the output shaft of the stop motor 4 may adopt a screw transmission mode to realize axial extension of the first stop block 41 and the second stop block 42 along the output shaft of the stop motor 4. The stop motor 4 can also be replaced by an air cylinder, and the first stop block 41 and the second stop block 42 can be stretched up and down along the vertical direction by pushing and pulling through the output end of the air cylinder.

The first stop 41 and the second stop 42 are arranged at an angle. An angle space is formed between the first stopper 41 and the second stopper 42. When the door 2 is in the door-opening state and the door 2 is located in the space range of the included angle between the first stopper 41 and the second stopper 42, and the first stopper 41 and the second stopper 42 move upward to extend into the gap between the cabinet 1 and the door 2, the door 2 can be clamped and limited in the space of the included angle between the first stopper 41 and the second stopper 42, as shown in fig. 3.

Fig. 5 is a plan view of the door body 2, the lower hinge 3 and the stopper assembly in fig. 2. Fig. 6 is an enlarged schematic view of a region B in fig. 5.

Referring to fig. 5 and 6, in some embodiments, the included angle between the first stopper 41 and the second stopper 42 is 90 °. When the first stopper 41 and the second stopper 42 move upward and extend into the gap between the cabinet 1 and the door 2, the first stopper 41 abuts against the front wall surface 201 of the door 2, and the second stopper 42 abuts against the left side wall surface 202 of the door 2 close to the cabinet 1, so that the door 2 can be prevented from rotating.

It can be understood that the included angle between the first stopper 41 and the second stopper 42 may also be greater than 90 °, and at this time, a certain gap exists between the front side wall surface 201 of the door body 2 and the first stopper 41, or between the left side wall surface 202 of the door body 2 and the second stopper 42, so that the door body 2 can rotate by a certain angle within the spatial range of the included angle between the first stopper 41 and the second stopper 42.

It should be noted that, when the first stopper 41 and the second stopper 42 move upward and extend into the gap between the cabinet 1 and the door 2, the first stopper 41 may abut against the left side wall surface 202 of the door 2 close to the cabinet 1, and the second stopper 42 may abut against the inner side wall surface 203 of the door 2 facing the cabinet 1. Which also prevents the door body 2 from rotating.

Fig. 7 is a schematic view of the structure of fig. 2 in another state, in which the first stopper 41 and the second stopper 42 are in a contracted state. Fig. 8 is an enlarged schematic view of region C in fig. 7.

Referring to fig. 7 and 8, when the door 2 needs to close the box 1, the driving motor 5 drives the first stopper 41 and the second stopper 42 to exit from the gap between the box 1 and the door 2, so that the door 2 can rotate freely again, and the first stopper 41 and the second stopper 42 are prevented from obstructing the normal door closing operation of the door 2.

Referring to fig. 3, 4 and 8, the storage box 43 is disposed on the top of the lower hinge 3 and on the output end of the stopping motor 4, and the storage box 43 is located between the lower hinge 3 and the bottom of the door body 2. The housing case 43 houses the first stopper 41 and the second stopper 42. It is understood that when the stopping motor 4 is provided on the upper hinge, the receiving case 43 may be provided at the bottom of the lower hinge 3 and at the output end of the stopping motor 4.

The stopper motor 4 can drive the first stopper 41 and the second stopper 42 to extend out of the storage case 43 or retract into the storage case 43. When the first stopper 41 and the second stopper 42 extend out of the storage box 43 under the action of the stopper motor 4, the first stopper 41 and the second stopper 42 can extend into a gap between the box body 1 and the door body 2, and then the functions of stopping and limiting the door body 2 are realized. When the first stop block 41 and the second stop block 42 extend to contract under the action of the stop motor 4 to be recovered into the containing box 43, the first stop block 41 and the second stop block 42 can exit from the gap between the box body 1 and the door body 2, and further the normal rotation of the door body 2 is avoided being stopped.

In some embodiments, a space is formed between the bottom of the door 2 and the lower hinge 3, and the storage box 43 is disposed in the space, so that the first stopper 41 and the second stopper 42 are movably disposed in the space. And the first stopper 41 and the second stopper 42 are positioned in the gap between the case 1 and the door 2 at the first stopper 41 and the second stopper 42.

Fig. 9 is a schematic structural diagram of the lower hinge 3, the driving motor 5, and the internal gear 7 according to the embodiment of the present invention. Fig. 10 is a schematic structural view of an internal gear according to an embodiment of the present invention. Fig. 11 is a schematic structural diagram of an internal gear and an external gear according to an embodiment of the present invention.

Referring to fig. 4 in conjunction with fig. 9 to 11, the driving assembly is disposed on the hinge assembly and is used for driving the door body 2 to rotate, so as to control the door opening and closing operation of the door body 2. The drive assembly may be provided on the lower hinge 3 or on the upper hinge. Two sets of driving components may also be provided, one set being provided on the upper hinge and the other set being provided on the lower hinge 3.

The driving assembly includes a driving motor 5, a connecting member 6, an internal gear 7, and an external gear 8.

Wherein, the driving motor 5 is fixedly arranged on the lower hinge 3. The driving motor 5 may be provided at the bottom of the lower hinge 3 to improve space utilization. A shaft hole 31 is formed on the lower hinge 3, the driving motor 5 is fixedly arranged below the shaft hole 31, and an output shaft of the driving motor 5 penetrates through the shaft hole 31 to extend upwards. It will be appreciated that when the drive assembly is provided on the upper hinge, the drive motor 5 may be fixedly mounted on top of the upper hinge.

The connecting piece 6 is fixedly arranged at the bottom of the door body 2 and is positioned above the driving motor 5. An output shaft of the driving motor 5 extends upward and is connected to the link 6 to drive the door body 2 to rotate through the link 6. The connecting member 6 may be detachably provided on the bottom surface of the door body 2, or may be integrally formed on the bottom surface of the door body 2.

The internal gear 7 is sleeved on the output shaft of the driving motor 5. The external gear 8 is fixedly arranged in the connecting piece 6, and the external gear 8 is sleeved on the outer peripheral side of the internal gear 7 and is in meshed transmission connection with the internal gear 7. The internal gear 7 is matched with the external gear 8, so that the driving motor 5 can accurately and stably drive the door body 2 to rotate through the connecting piece 6.

In some embodiments, a control circuit board (not shown) is also disposed in the refrigerator. The stop motor 4, the driving motor 5 and the electromagnet 12 are all controlled by the control circuit board. When the door body 2 needs to be opened, the control circuit board can control the electromagnet 12 on the box body 1 and the magnet 21 on the door body 2 to generate a repulsive force, so as to push the door body 2. The driving motor 5 is controlled to rotate, and then the door body 2 is opened to a corresponding door opening angle, so that the door body 2 can be located in an included angle space between the first stop 41 and the second stop 42. And then, the stop motor 4 is controlled to rotate, so that the first stop block 41 and the second stop block 42 extend into the gap between the box body 1 and the door body 2, the door body 2 can be clamped and limited in an included angle space between the first stop block 41 and the second stop block 42, and the door opening angle of the door body is kept. By matching the stop motor 4, the driving motor 5 and the electromagnet 12 with the control circuit board, the automatic control of the door opening and closing operation of the door body 2 can be improved, and the control precision of the door opening and closing operation can be improved.

In some embodiments, a position sensor (not shown) is also provided within the refrigerator. This position sensor can detect the relative first dog 41 of door body 2 and the position of second dog 42 to can produce control signal when door body 2 is arranged in the contained angle space of first dog 41 and second dog 42, control circuit board can be according to the work of this control signal control backstop motor 4, and then control first dog 41 and second dog 42 and stretch into the clearance between box 1 and the door body 2, keep its angle of opening the door, further realize the intelligent control of door body 2.

In some embodiments, the position sensor may be disposed at the second stopper 42, and when the door 2 rotates beyond the second stopper 42, that is, when the door 2 is in the included angle space between the first stopper 41 and the second stopper 42, a corresponding control signal is generated.

Based on the technical scheme, the embodiment of the utility model provides an at least, following advantage and positive effect have:

in the refrigerator provided by the embodiment of the utility model, the door body 2 of the refrigerator is rotationally connected relative to the refrigerator body 1 by utilizing the hinge assembly, the door opening and closing function of the refrigerator is realized, meanwhile, the stop assembly is movably arranged on the hinge assembly, namely, the included angle space is formed between the first stop block 41 and the second stop block 42, when the door body 2 is in the door opening state, the first stop block 41 and the second stop block 42 can extend into the gap between the door body 2 and the refrigerator body 1 in the opening state, the door body 2 is prevented from rotating, the rotation angle of the door body 2 is further kept or limited, the door body 2 is prevented from being collided due to the random rotation, and the refrigerator is convenient for taking articles in the refrigerator body 1; when the door 2 needs to be closed, the first stopper 41 and the second stopper 42 can also be withdrawn from the gap between the door 2 and the box 1, so as to prevent the door 2 from being blocked from rotating and closing. Based on this, through add backstop subassembly on the hinge subassembly, realized the optimization of refrigerator door body 2 structure, be favorable to optimizing the switch door operation of door body 2.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A refrigerator, characterized by comprising:

a box body, wherein a refrigeration chamber is arranged in the box body;

the hinge assembly is arranged on the box body;

the door body is rotationally connected to the hinge assembly so as to open and close the refrigeration compartment; and

the stop assembly comprises a first stop block and a second stop block which are distributed in an included angle; the first stop block and the second stop block are movably arranged on the hinge assembly;

when the door body is in an open state, the first stop block and the second stop block can extend into a gap between the box body and the door body, so that the door body is limited in an included angle space between the first stop block and the second stop block.

2. The refrigerator of claim 1, wherein the stopper assembly further comprises a stopper motor fixed to the hinge assembly; the stop motor is connected with the first stop block and the second stop block, and can drive the first stop block and the second stop block to extend into or withdraw from a gap between the box body and the door body.

3. The refrigerator of claim 2, wherein the stopping assembly further comprises a receiving box disposed at an output end of the stopping motor, the receiving box receiving the first stopper and the second stopper therein;

the stop motor can drive the first stop block and the second stop block to extend out of the storage box and extend into a gap between the box body and the door body; and the stop motor can drive the first stop block and the second stop block to retract into the containing box and withdraw from a gap between the box body and the door body.

4. The refrigerator as claimed in claim 1, wherein an angle between the first stopper and the second stopper is equal to or greater than 90 °.

5. The refrigerator as claimed in claim 1, wherein the hinge assembly includes an upper hinge provided at a top of the cabinet and a lower hinge provided at a bottom of the cabinet;

the top of the door body is rotationally connected with the upper hinge, and the bottom of the door body is rotationally connected with the lower hinge;

the first stop block and the second stop block are movably arranged on the upper hinge or the lower hinge.

6. The refrigerator according to claim 5, wherein a space is provided between the lower hinge and the bottom of the door body, or a space is provided between the upper hinge and the top of the door body, and the first stopper and the second stopper are movably disposed in the space;

when the first stop block and the second stop block exit from the gap between the box body and the door body, the first stop block and the second stop block are positioned in the gap.

7. The refrigerator according to claim 5, wherein a driving motor is provided on the upper hinge or the lower hinge, and an output shaft of the driving motor is in transmission connection with the door body and can drive the door body to rotate.

8. The refrigerator as claimed in claim 7, wherein an internal gear is provided on an output shaft of the driving motor, and an external gear is provided on the door body, the external gear coaxially sleeved on an outer circumference of the internal gear and engaged with the internal gear for transmission.

9. The refrigerator according to claim 1, wherein the door is provided with a position sensor, the position sensor can detect the position of the door relative to the first stopper and the second stopper and can generate a control signal when the door is located in an included angle space between the first stopper and the second stopper.

10. The refrigerator according to claim 1, wherein the cabinet is provided with an electromagnet, and the door body is provided with a magnet corresponding to the electromagnet; the electromagnet has a state of repelling from the magnet and a state of attracting from the magnet.

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