CN210127748U - Door closing device for household refrigerator - Google Patents

Abstract

A door closing device of a household refrigerator comprises the refrigerator and the door closing device, wherein the door closing device comprises a rotary magnetic seat and a reset device, the rotary magnetic seat comprises a rotary magnetic core, a magnetic seat and a handle, and the reset device comprises a torsion shaft and a torsion spring; when the movable door of the refrigerator is closed, the magnetic seal strip of the movable door attracts the door frame under the action of magnetic force, and meanwhile, the rotary magnetic seat generates magnetic attraction force on the door frame of the refrigerator, so that the sealing performance of the movable door of the refrigerator is improved; when the movable door is opened, the rotating magnetic core of the rotating magnetic seat is rotated by a handle for 90 degrees, so that the rotating magnetic seat loses the magnetic attraction force on the door frame, and meanwhile, the movable door is pushed open by the handle eccentric wheel, so that the movable door is opened more labor-saving; when the refrigerator closes the movable door again, the handle is released by hand, the rotary magnetic core resets under the action of the elastic force of the torsional spring of the resetting device, so that the rotary magnetic seat recovers the magnetic attraction force to the door frame, the tightness of the magnetic seal strip on the door frame is increased, and the problem that the movable door of the refrigerator is insufficient in attraction force or difficult to open is solved.

Description

Door closing device for household refrigerator

Technical Field

The utility model relates to a door closer of refrigerator, in particular to house refrigerator door closer.

Background

At present, when a movable door of a refrigerator is closed, the problem often occurs that the magnetic force of a magnetic seal strip of the movable door is too strong, the movable door of the refrigerator is difficult to open, and particularly, the movable door is suitable for children and old people; or the magnetic force of the magnetic seal strip of the movable door is not enough, and the sealing performance of the movable door is poor; a door closing device of a household refrigerator, which is easy to open and has better sealing performance, has become a need for improving a movable door of the refrigerator.

Disclosure of Invention

The utility model aims at overcoming prior art's not enough, providing a house refrigerator door closer for improve the leakproofness of refrigerator dodge gate, and conveniently open the dodge gate of refrigerator.

The technical proposal adopted by the utility model is that: a door closing device of a household refrigerator comprises a refrigerator and a door closing device, wherein the door closing device is arranged on a movable door of the refrigerator; the door closing device comprises a rotary magnetic seat and a resetting device, wherein the rotary magnetic seat comprises a rotary magnetic core, a magnetic seat and a handle, the magnetic seat is fixedly connected with the movable door, the rotary magnetic core is movably matched and connected with the magnetic seat, and the handle is fixedly connected with the rotary magnetic core; the movable door of the refrigerator is attracted to a door frame of the refrigerator by using the magnetic force generated by the rotary magnetic seat, the rotary magnetic core is driven to rotate by using the handle, the magnetic force of the rotary magnetic seat is relieved, and the movable door of the refrigerator is opened; the reset device comprises a torsion shaft and a torsion spring, the torsion shaft is fixedly connected with the rotary magnetic core, the head end of the torsion spring is fixedly connected with the torsion shaft, and the tail end of the torsion spring is fixedly connected with the magnetic seat and used for driving the rotary magnetic seat to reset; the handle is provided with an eccentric wheel and is used for rotating the handle to push the movable door of the refrigerator open.

In order to improve the attraction of the movable door to the doorframe by using the rotary magnetic seat, the initial state of the movable door of the refrigerator is as follows: the movable door of the refrigerator is closed and is parallel to the door frame of the refrigerator; the initial state of the rotary magnetic seat is as follows: the axis of the rotary magnetic core is parallel to the door frame; rotatory magnetic core is including N utmost point and utmost point, and rotatory magnetic core's initial condition is: the magnetic force line of the rotary magnetic core starts from the N pole, the magnetic force line returns to the S pole through the magnetic seat and the door frame of the refrigerator, the rotary magnetic seat generates magnetic attraction on the door frame of the refrigerator, the movable door and the door frame are tightly attracted by the magnetic attraction, and the sealing performance of the magnetic sealing strip and the door frame is improved; the boundary line of the N pole and the S pole of the rotary magnetic core is vertical to the door frame.

A use method of the door closing device of the household refrigerator comprises the following steps: when the movable door of the refrigerator is closed, the rotary magnetic core of the door closing device is in an initial state, the magnetic line of force of the rotary magnetic core returns to the S pole of the rotary magnetic core from the N pole through the magnetic seat and the door frame of the refrigerator, the magnetic line of force of the rotary magnetic core forms a loop through the external door frame, the rotary magnetic seat generates magnetic attraction force on the door frame of the refrigerator, the movable door and the door frame are tightly attracted together, and the sealing performance of the magnetic sealing strip and the door frame is improved; when the movable door of the refrigerator is opened, the pull handle swings upwards, the handle drives the rotary magnetic core of the rotary magnetic seat to rotate, when the handle rotates to a position, the magnetic line of force of the rotary magnetic core returns to the S pole of the rotary magnetic core from the pole through the magnetic seat, and the magnetic line of force of the rotary magnetic core forms a loop from the inside of the magnetic seat, so that the rotary magnetic seat loses magnetic attraction to the door frame; when the handle rotates, the eccentric wheel of the handle rotates along with the handle, and when the handle rotates in place, the convex spherical surface of the top door of the eccentric wheel of the handle pushes against the top plate of the refrigerator door frame to push the movable door open from the door frame, so that the magnetic sealing strip of the movable door is separated from the door frame, and a gap is opened between the magnetic sealing strip of the movable door and the door frame; after the magnetic sealing strip of the movable door is separated from the door frame, the movable door is pulled to swing by hands, so that the movable door of the refrigerator is easily opened, the problem that the movable door of the refrigerator is not easy to open is solved, and meanwhile, the sealing performance of the movable door and the door frame is enhanced; after the movable door is opened and is closed again, the hand stops pulling the handle to swing upwards, the handle swings downwards under the action of the torsional force of the torsional spring of the resetting device, and meanwhile the handle is grabbed by the hand to close the movable door; when the handle swings downwards, the rotating magnetic core of the rotating magnetic seat rotates under the action of the torsional force of a torsional spring of the resetting device and resets to an initial state, when the magnetic sealing strip of the movable door is closed with the door frame, the magnetic line of force of the rotating magnetic core returns to the S pole of the rotating magnetic core from the N pole through the magnetic seat and the door frame of the refrigerator, the magnetic line of force of the rotating magnetic core forms a loop through the external door frame, the rotating magnetic seat generates magnetic attraction to the door frame of the refrigerator, and the movable door and the door frame are tightly attracted together; and the process is continuously circulated.

The utility model has the advantages that: a door closing device of a household refrigerator comprises the refrigerator and the door closing device, wherein the door closing device comprises a rotary magnetic seat and a reset device, the rotary magnetic seat comprises a rotary magnetic core, a magnetic seat and a handle, and the reset device comprises a torsion shaft and a torsion spring; when the movable door of the refrigerator is closed, the magnetic seal strip of the movable door attracts the door frame under the action of magnetic force, and meanwhile, the rotary magnetic seat generates magnetic attraction force on the door frame of the refrigerator, so that the sealing performance of the movable door of the refrigerator is improved; when the movable door is opened, the rotating magnetic core of the rotating magnetic seat is rotated by a handle for 90 degrees, so that the rotating magnetic seat loses the magnetic attraction force on the door frame, and meanwhile, the movable door is pushed open by the handle eccentric wheel, so that the movable door is opened more labor-saving; when the refrigerator closes the movable door again, the handle is released by hand, the rotary magnetic core resets under the action of the elastic force of the torsional spring of the resetting device, so that the rotary magnetic seat recovers the magnetic attraction force to the door frame, the tightness of the magnetic seal strip on the door frame is increased, and the problem that the movable door of the refrigerator is insufficient in attraction force or difficult to open is solved.

Drawings

FIG. 1 is a schematic structural diagram of a door closing device of a household refrigerator;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the construction of the door closer device;

FIG. 4 is a schematic view of the closing device closing the movable door;

fig. 5 is a schematic structural view of the door closing device opening the movable door;

fig. 6 is a schematic structural view of a door closer spacing groove.

Detailed Description

The invention will be further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of a door closing device of a home refrigerator, fig. 2 is a top view of fig. 1, fig. 3 is a schematic structural diagram of the door closing device, fig. 4 is a schematic structural diagram of a door closing device closing a movable door, and fig. 5 is a schematic structural diagram of the door closing device opening the movable door; a left view; a door closing device of a household refrigerator comprises a refrigerator 1 and a door closing device 2, wherein the door closing device 2 is arranged on a movable door 5 of the refrigerator 1; the door closing device 2 comprises a rotary magnetic seat 3 and a resetting device 4, the rotary magnetic seat 3 comprises a rotary magnetic core 6, a magnetic seat 7 and a handle 8, the magnetic seat 7 is fixedly connected with the movable door 5, the rotary magnetic core 6 is movably matched and connected with the magnetic seat 7, and the handle 8 is fixedly connected with the rotary magnetic core 6; the movable door 5 of the refrigerator 1 is absorbed on a door frame 9 of the refrigerator 1 by utilizing the magnetic force generated by the rotary magnetic seat 3, the rotary magnetic core 6 is driven to rotate by utilizing the handle 8, the magnetic force of the rotary magnetic seat 3 is relieved, and the movable door 5 of the refrigerator 1 is opened; the reset device 4 comprises a torsion shaft 10 and a torsion spring 11, the torsion shaft 10 is fixedly connected with the rotary magnetic core 6, the head end 12 of the torsion spring 11 is fixedly connected with the torsion shaft 10, and the tail end 13 of the torsion spring 11 is fixedly connected with the magnetic base 7 and used for driving the rotary magnetic base 3 to reset; the handle 8 is provided with an eccentric wheel 14 for rotating the handle 8 to push the movable door 5 of the refrigerator 1 open.

In order to enhance the sealing performance of the movable door 5 of the refrigerator 1 and achieve the purpose that the movable door 5 of the refrigerator 1 is sealed and easy to open, so that the refrigerator is suitable for children and old people; the magnetic seat 7 of the rotary magnetic seat 3 is provided with a rotary cavity 15, the rotary magnetic core 6 is movably matched and connected with the rotary cavity 15, and the axis of the rotary magnetic core 6 is the same as that of the rotary cavity 15; the axis of the torsion shaft 10 of the resetting device 4 is the same as the axis of the rotary magnetic core 6 of the rotary magnetic seat 3; the movable door 5 of the refrigerator 1 is hinged with the door frame 9 of the refrigerator 1 through a hinge 16, the movable door 5 is provided with a magnetic sealing strip 17, and the magnetic sealing strip 17 is fixedly connected with the movable door 5; the initial state of the movable door 5 of the refrigerator 1 is: the movable door 5 of the refrigerator 1 is closed, and the movable door 5 of the refrigerator 1 is parallel to the door frame 9 of the refrigerator 1; the rotating magnetic core 6 comprises an N pole and an S pole, and the initial state of the rotating magnetic base 3 is as follows: the boundary 28 between the N pole and the S pole of the rotary magnetic core 6 is perpendicular to the door frame 9; the magnetic sealing strip 17 of the movable door 5 is made of a magnetic material, and the door frame 9 of the movable door 5 is made of a ferromagnetic material.

In order to improve the attraction of the movable door 5 to the doorframe 9 by the rotary magnetic seat 3, the initial state of the rotary magnetic core 6 is as follows: the magnetic force line of the rotary magnetic core 6 starts from the N pole, the magnetic force line returns to the S pole through the magnetic seat 7 and the door frame 9 of the refrigerator 1, the rotary magnetic seat 3 generates magnetic attraction force on the door frame 9 of the refrigerator 1, the movable door 5 and the door frame 9 are attracted tightly by the magnetic attraction force, and the tightness of the magnetic sealing strip 17 with the door frame 9 is improved; the magnetic seat 7 of the rotary magnetic seat 3 faces the door frame 9 of the refrigerator 1, and a heat insulating material 19 is arranged between the magnetic seat 7 and the panel 18 of the movable door 5, so that the heat loss is reduced.

In order to open the movable door 5 of the refrigerator 1 by rotating the handle 8, the rotary magnetic core 6 is rotated by the handle 8, the magnetic attraction of the rotary magnetic seat 3 to the door frame 9 is eliminated, and simultaneously the movable door 5 is pushed open by the rotation of the handle 8; the handle 8 of the rotary magnetic seat 3 is arranged on the outer side surface of the panel 18 of the movable door 5, the handle 8 is provided with a connecting shaft 20, the connecting shaft 20 is connected with the rotary magnetic core 6, and the axis of the connecting shaft 20 is the same as the axis of the rotary magnetic core 6; the handle 8 of the rotary magnetic base 3 is provided with an eccentric wheel 14, the eccentric wheel 14 is provided with a convex spherical surface 22 for pushing against the door, the door frame 9 is provided with a top plate 23, and the top plate 23 is fixedly connected with the door frame 9; the initial state of the handle 8 is: the top door convex spherical surface 22 is located above the rotary magnetic core 6, and the top door convex spherical surface 22 is not in contact with the top plate 23.

In order to control the rotation angle of the handle 8, the rotation angle of the handle 8 is controlled within the range of 90 degrees; as shown in fig. 6, which is a schematic structural diagram of a limiting groove of a door closing device, a connecting shaft 20 of a handle 8 is provided with a limiting fastener 21, a magnetic seat 7 is provided with a limiting groove 24, and the limiting fastener 21 is located in the corresponding limiting groove 24; the limiting groove 24 is an arc-shaped groove, and the axis of the arc-shaped groove is the same as the axis of the connecting shaft 20; the limiting groove 24 of the magnetic base 7 is provided with an upper limiting position 25 and a lower limiting position 26, the included angle between the upper limiting position 25 and the lower limiting position 26 is 90 degrees, and the position of the upper limiting position 25 is higher than that of the lower limiting position 26; when the movable door 5 is closed, the limit clamping piece 21 of the connecting shaft 20 contacts with the upper limit clamping piece 25, and the initial state of the limit clamping piece 21 is as follows: the limit clamping piece 21 is contacted with the upper limit clamping position 25.

A use method of the door closing device of the household refrigerator comprises the following steps: when the movable door 5 of the refrigerator 1 is closed, the rotary magnetic core 6 of the door closing device 2 is in an initial state, the magnetic line of force of the rotary magnetic core 6 returns to the S pole of the rotary magnetic core 6 from the N pole through the magnetic seat 7 and the door frame 9 of the refrigerator 1, the magnetic line of force of the rotary magnetic core 6 forms a loop through the external door frame 9, the rotary magnetic seat 3 generates magnetic attraction force on the door frame 9 of the refrigerator 1, the movable door 5 and the door frame 9 are attracted together, and the tightness of the magnetic sealing strip 17 with the door frame 9 is increased; when the movable door 5 of the refrigerator 1 is opened, the pull handle 8 swings upwards, the handle 8 drives the rotary magnetic core 6 of the rotary magnetic seat 3 to rotate, when the handle 8 rotates to a position, the magnetic line of force of the rotary magnetic core 6 returns to the S pole of the rotary magnetic core 6 from the N pole through the magnetic seat 7, the magnetic line of force of the rotary magnetic core 6 forms a loop from the inside of the magnetic seat 7, and the rotary magnetic seat 3 loses magnetic attraction to the door frame 9; when the handle 8 rotates, the eccentric wheel 14 of the handle 8 rotates along with the handle 8, and when the handle 8 rotates in place, the top door convex spherical surface 22 of the eccentric wheel 14 of the handle 8 pushes against the top plate 23 of the doorframe 9 of the refrigerator 1, so that the movable door 5 and the doorframe 9 are pushed open, the magnetic sealing strip 17 of the movable door 5 is separated from the doorframe 9, and a gap 27 is opened between the magnetic sealing strip 17 of the movable door 5 and the doorframe 9; after the magnetic sealing strip 17 of the movable door 5 is separated from the door frame 9, the movable door 5 is pulled by hands to swing, so that the movable door 5 of the refrigerator 1 is easily opened, the problem that the movable door 5 of the refrigerator 1 is not easy to open is solved, and meanwhile, the sealing performance of the movable door 5 and the door frame 9 is enhanced; after the movable door 5 is opened and closed again, the handle 8 stops being pulled by the hand to swing upwards, the handle 8 swings downwards under the action of the torsion force of the torsion spring 11 of the reset device 4, and meanwhile the movable door 5 is closed by grasping the handle 8 by the hand; when the handle 8 swings downwards, the rotating magnetic core 6 of the rotating magnetic seat 3 rotates and resets to an initial state under the action of the torsional force of the torsional spring 11 of the resetting device 4, when the magnetic sealing strip 17 of the movable door 5 is closed with the door frame 9, the magnetic force line of the rotating magnetic core 6 returns to the S pole of the rotating magnetic core 6 from the N pole through the magnetic seat 7 and the door frame 9 of the refrigerator 1, the magnetic force line of the rotating magnetic core 6 forms a loop through the external door frame 9, the rotating magnetic seat 3 generates magnetic attraction to the door frame 9 of the refrigerator 1, and the movable door 5 and the door frame 9 are tightly attracted together; and the process is continuously circulated.

In order to implement labor-saving opening of the movable door 5 and drive the rotating magnetic core 6 to reset by utilizing the torsion spring 11, when the movable door 5 of the refrigerator 1 is opened, a hand pulls the handle 8 to swing by 90 degrees in an anticlockwise direction, the handle 8 drives the rotating magnetic core 6 to rotate by 90 degrees in the anticlockwise direction through the connecting shaft 20, the rotating magnetic core 6 overcomes the torsion of the torsion spring 11 to drive the torsion shaft 10 to rotate by 90 degrees in the anticlockwise direction, the torsion spring 11 is twisted along with the torsion shaft 10, and the torsion spring 11 is twisted tightly; when the rotary magnetic core 6 rotates 90 degrees counterclockwise, the magnetic force line of the rotary magnetic core 6 forms a loop from the interior of the magnetic seat 7, and the rotary magnetic seat 3 loses magnetic attraction to the door frame 9; when the handle 8 is loosened by hand, the torsion shaft 10 rotates by 90 degrees clockwise under the action of the torsion force of the torsion spring 11, the torsion shaft 10 drives the rotary magnetic core 6 to rotate by 90 degrees clockwise, the magnetic line of force of the rotary magnetic core 6 forms a loop from the outside of the magnetic seat 7, and when the rotary magnetic seat 3 approaches the door frame 9 of the refrigerator 1, the rotary magnetic seat 3 generates magnetic attraction force on the door frame 9 to attract the movable door 5 and the door frame 9 together; meanwhile, the rotary magnetic core 6 drives the handle 8 to swing by 90 degrees clockwise, so that the rotary magnetic core 6 and the handle 8 are reset to the initial state.

In order to implement the separation of the magnetic seal 17 of the flap 5 from the door frame 9, in order to facilitate the opening of the flap 5; when the movable door 5 of the refrigerator 1 is opened, a hand pulls the handle 8 to swing by 90 degrees in the counterclockwise direction, the eccentric wheel 14 of the handle 8 rotates by 90 degrees in the counterclockwise direction along with the handle 8, the top door convex spherical surface 22 on the eccentric wheel 14 rotates by 90 degrees in the counterclockwise direction from the initial position, so that the top door convex spherical surface 22 on the eccentric wheel 14 rotates to the position reaching the top plate 23 of the doorframe 9, and the movable door 5 is jacked open with the doorframe 9 by using the top door convex spherical surface 22 of the eccentric wheel 14; after the hand releases the handle 8, the torsion shaft 10 rotates 90 degrees clockwise under the action of the torsion force of the torsion spring 11, the eccentric wheel 14 of the handle 8 rotates 90 degrees clockwise along with the handle 8, the top door convex spherical surface 22 on the eccentric wheel 14 rotates 90 degrees clockwise along with the eccentric wheel 14, and the top door convex spherical surface 22 on the eccentric wheel 14 rotates back to the initial position clockwise from the position of the top plate 23 which is against the doorframe 9.

In order to control the rotating magnetic core 6 to rotate within the range of 90 degrees, when the movable door 5 of the refrigerator 1 is opened, a hand pulls the handle 8 to swing by 90 degrees in the anticlockwise direction, the connecting shaft 20 swings by 90 degrees in the anticlockwise direction along with the handle 8, the limiting clamping piece 21 of the connecting shaft 20 rotates by 90 degrees in the anticlockwise direction in the limiting groove 24 of the magnetic base 7 along with the connecting shaft 20, and when the limiting clamping piece 21 is contacted with the lower limiting clamping piece 26 of the limiting groove 24, the connecting shaft 20 stops rotating; after the handle 8 is loosened by a hand, the torsion shaft 10 rotates by 90 degrees clockwise under the action of the torsion force of the torsion spring 11, the torsion shaft 10 drives the connecting shaft 20 to rotate by 90 degrees clockwise through the rotating magnetic core 6, the limiting clamping piece 21 on the connecting shaft 20 rotates by 90 degrees clockwise in the limiting groove 24 of the magnetic base 7 along with the connecting shaft 20, and when the limiting clamping piece 21 contacts with the upper limiting clamping piece 24 of the limiting groove 24, the connecting shaft 20 stops rotating.

In order to utilize the rotary magnetic seat 3 to draw the movable door 5 to close, the sealing performance of closing the movable door 5 is increased; after the handle 8 is loosened by hand, when the rotary magnetic seat 3 approaches the doorframe 9, the attraction direction of the rotary magnetic seat 3 to the doorframe 9 is the same as the closing direction of the movable door 5; when the movable door 5 is closed, the movable door 5 attracts the door frame 9 of the refrigerator 1 under the action of the magnetic force of the magnetic sealing strip 17; meanwhile, the rotary magnetic seat 3 generates magnetic attraction to the doorframe 9, and the rotary magnetic seat 3 attracts the movable door 5 to swing towards the doorframe 9, so that the magnetic sealing strip 17 is further attached to the doorframe 9, and the sealing performance between the magnetic sealing strip 17 and the doorframe 9 is improved.

In order to implement laborsaving opening dodge gate 5, its characterized in that: when the handle 8 rotates by 90 degrees along the counterclockwise direction from the initial state, the jacking force of pushing the movable door 5 by the handle 8 is greater than the attraction force of the magnetic sealing strip 17 to the door frame 9; when the handle 8 rotates 90 degrees counterclockwise from the initial state, the magnetic attraction force generated by the rotary magnetic base 3 on the doorframe 9 is reduced as the handle 8 rotates counterclockwise from the initial state.

Claims (9)

1. The utility model provides a house refrigerator door closer which characterized in that: the door closing device of the household refrigerator comprises a door closing device (2), wherein the door closing device (2) comprises a rotary magnetic seat (3) and a resetting device (4), the rotary magnetic seat (3) comprises a rotary magnetic core (6), a magnetic seat (7) and a handle (8), the magnetic seat (7) is connected with a movable door (5), the rotary magnetic core (6) is movably matched and connected with the magnetic seat (7), and the handle (8) is connected with the rotary magnetic core (6); the reset device (4) comprises a torsion shaft (10) and a torsion spring (11), the torsion shaft (10) is connected with the rotary magnetic core (6), the head end (12) of the torsion spring (11) is connected with the torsion shaft (10), and the tail end (13) of the torsion spring (11) is connected with the magnetic seat (7); the handle (8) is provided with an eccentric wheel (14).

2. The door closing device of a home refrigerator according to claim 1, characterized in that: the magnetic seat (7) of the rotary magnetic seat (3) is provided with a rotary cavity (15), the rotary magnetic core (6) is movably matched and connected with the rotary cavity (15), and the axis of the rotary magnetic core (6) is the same as that of the rotary cavity (15); the axis of the torsion shaft (10) of the resetting device (4) is the same as the axis of the rotary magnetic core (6) of the rotary magnetic seat (3).

3. The door closing device of a home refrigerator according to claim 2, characterized in that: the initial state of the movable door (5) of the refrigerator (1) is as follows: the movable door (5) of the refrigerator (1) is closed, and the movable door (5) of the refrigerator (1) is parallel to the door frame (9) of the refrigerator (1); the rotating magnetic core (6) comprises an N pole and an S pole.

4. A home refrigerator door closer according to claim 3, wherein: the rotating magnetic core (6) comprises an N pole and an S pole, and the initial state of the rotating magnetic core (6) is as follows: the magnetic force line of the rotary magnetic core (6) starts from the N pole, the magnetic force line returns to the S pole through the magnetic seat (7) and the door frame (9) of the refrigerator (1), and the rotary magnetic seat (3) generates magnetic attraction to the door frame (9) of the refrigerator (1).

5. The door closing device of a home refrigerator according to claim 4, wherein: the magnetic seat (7) of the rotary magnetic seat (3) faces to a door frame (9) of the refrigerator (1), and a heat insulating material (19) is arranged between the magnetic seat (7) and a panel (18) of the movable door (5).

6. The door closing device of a home refrigerator according to claim 5, wherein: the handle (8) of the rotary magnetic seat (3) is arranged on a panel (18) of the movable door (5), the handle (8) is provided with a connecting shaft (20), the connecting shaft (20) is connected with the rotary magnetic core (6), and the axis of the connecting shaft (20) is the same as that of the rotary magnetic core (6).

7. The door closing device of a home refrigerator according to claim 6, wherein: the eccentric wheel (14) of the handle (8) of the rotary magnetic seat (3) is provided with a convex spherical surface (22) for pushing against the door, the door frame (9) is provided with a top plate (23), and the top plate (23) is fixedly connected with the door frame (9).

8. The door closing device of a home refrigerator according to claim 7, wherein: the connecting shaft (20) of the handle (8) is provided with a limiting clamping piece (21), the magnetic base (7) is provided with a limiting groove (24), and the limiting clamping piece (21) is positioned in the corresponding limiting groove (24).

9. The door closing device of a home refrigerator according to claim 8, wherein: the limiting groove (24) of the magnetic seat (7) is provided with an upper limiting position clamping position (25) and a lower limiting position clamping position (26), the included angle between the upper limiting position clamping position (25) and the lower limiting position clamping position (26) is 90 degrees, and the position of the upper limiting position clamping position (25) is higher than that of the lower limiting position clamping position (26).

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