阅读说明：本技术 一种冷柜用磁性阻尼铰链及冷柜 (Magnetic damping hinge for refrigerator and refrigerator ) 是由 徐光建 薛亮 宋楠 孙祥 周翠欣 于 2020-11-25 设计创作，主要内容包括：本发明公开了一种冷柜用磁性阻尼铰链,包括铰链头以及铰链座；铰链头上铰接铰接轴和活动轴；铰接轴的两端与铰链座铰接连接,铰链座上设置弧形通道；铰链座下部设置支撑座,支撑座中部活动插接支撑板；支撑座顶部设置弹簧下垫,支撑板中上部设置弹簧上垫,弹簧上垫与弹簧下垫之间的支撑板上套有铰链弹簧；铰链座底部设置固定强磁磁铁,固定强磁磁铁上部的铰链座上滑动设置运动强磁磁铁；运动强磁磁铁的底端和固定强磁磁铁的顶端为相斥的同极；支撑板底端抵在运动强磁磁铁顶端。本发明在关门支撑板下移过程中,支撑板下端推动运动强磁磁铁下移,磁铁同极排斥力会越来越大,使门体关闭速度减慢,从而起到阻尼作用,防止门体急速下坠的发生。(The invention discloses a magnetic damping hinge for a refrigerator, which comprises a hinge head and a hinge seat, wherein the hinge head is arranged on the hinge seat; the hinge head is hinged with a hinge shaft and a movable shaft; two ends of the hinge shaft are hinged with the hinge seat, and the hinge seat is provided with an arc-shaped channel; the lower part of the hinge seat is provided with a supporting seat, and the middle part of the supporting seat is movably inserted with a supporting plate; a lower spring pad is arranged at the top of the supporting seat, an upper spring pad is arranged at the middle upper part of the supporting plate, and a hinge spring is sleeved on the supporting plate between the upper spring pad and the lower spring pad; the bottom of the hinge seat is provided with a fixed strong magnetic magnet, and the hinge seat at the upper part of the fixed strong magnetic magnet is provided with a moving strong magnetic magnet in a sliding way; the bottom end of the moving strong magnetic magnet and the top end of the fixed strong magnetic magnet are homopolar with each other in repulsion; the bottom end of the supporting plate is propped against the top end of the moving strong magnetic magnet. In the downward movement process of the door closing support plate, the lower end of the support plate pushes the moving strong magnet to move downward, the homopolar repulsion force of the magnet is increased, the closing speed of the door body is reduced, and therefore the door closing device plays a damping role and prevents the door body from falling rapidly.)

1. A magnetic damping hinge for a refrigerator is characterized by comprising a hinge head and a hinge seat;

a hinged shaft and a movable shaft which are arranged in parallel are hinged on the hinge head; the two ends of the hinge shaft are hinged with the top of the hinge seat, and the hinge seat is provided with an arc-shaped channel for the two ends of the movable shaft to move;

the lower part of the hinge seat is provided with a supporting seat, the middle part of the supporting seat is movably inserted with a supporting plate, and the top end of the supporting plate is movably connected with the side wall of the movable shaft;

the top of the supporting seat is provided with a lower spring cushion, and the middle part of the lower spring cushion is provided with a strip-shaped hole for the supporting plate to pass through; the middle upper part of the supporting plate is provided with an upper spring pad, and a hinge spring is sleeved on the supporting plate between the upper spring pad and the lower spring pad;

the bottom of the hinge seat is fixedly provided with a fixed strong magnetic magnet, and the hinge seat at the upper part of the fixed strong magnetic magnet is provided with a moving strong magnetic magnet in a sliding manner along the vertical direction; the bottom end of the moving strong magnetic magnet and the top end of the fixed strong magnetic magnet are homopolar with each other in repulsion;

the bottom end of the supporting plate is abutted against the top end of the moving strong-magnetic magnet.

2. The magnetic damping hinge for refrigerator as claimed in claim 1, wherein the bottom end of the supporting plate is hinged with a pressing head, the bottom end of the pressing head is against the top end of the moving strong magnetic magnet.

3. The magnetically damped hinge for refrigerators as set forth in claim 1, wherein the hinge head includes a first mounting plate; the left end and the right end of the first mounting plate are symmetrically provided with first side plates; the two first side plates are provided with hinge shaft holes for mounting hinge shafts and movable shaft holes for mounting movable shafts.

4. The magnetically damped hinge according to claim 3 for a refrigerator wherein the central axis of said hinge shaft is parallel to the first mounting plate; the plane formed by the central axis of the articulated shaft and the central axis of the movable shaft is parallel to the first mounting plate.

5. The magnetically damped hinge for refrigerators as set forth in claim 1, wherein the hinge base includes a second mounting plate; the left end and the right end of the second mounting plate are symmetrically provided with second side plates;

the two second side plates are provided with hinge holes for hinge connection with the hinge shafts;

the arc-shaped channels are arranged on the two second side plates;

the bottom plate is vertically and fixedly arranged between the bottoms of the two second side plates, the fixed strong magnetic magnet is fixedly arranged at the top end of the bottom plate, and the moving strong magnetic magnet is arranged between the two second side plates on the upper portion of the fixed strong magnetic magnet in a sliding mode.

6. The magnetic damping hinge for refrigerator as claimed in claim 1, wherein the support base has a through hole in the middle for the support plate to pass through;

the width of the lower part of the supporting plate is smaller than the length of the strip-shaped hole;

the width of the lower part of the supporting plate is smaller than the diameter of the through hole.

7. The magnetic damping hinge for the refrigerator as claimed in claim 1, wherein an arc groove is provided on the top of the supporting plate, the arc groove is clamped on the side wall of the movable shaft and is movably connected with the side wall of the movable shaft.

8. The magnetic damping hinge for refrigerator as claimed in claim 7, wherein a support pad having an arc structure is provided between the arc groove and the side wall of the movable shaft.

9. A refrigerator comprises a refrigerator body and a door body and is characterized in that the magnetic damping hinge for the refrigerator and the magnetic damping hinge for the refrigerator are arranged between the refrigerator body and the door body according to any one of claims 1 to 8, the hinge head is arranged on the door body, and the hinge seat is arranged on the refrigerator body.

Technical Field

The invention belongs to the technical field of refrigerators, and particularly relates to a magnetic damping hinge for a refrigerator and the refrigerator.

Background

In the horizontal refrigerator, the hinge is an important connecting component between the door body and the refrigerator body and plays a role in supporting the door body. The freezer hinge that generally uses on the existing market is the non-damping hinge, and at the freezer in-process of closing, the phenomenon that the door body falls down rapidly under self action of gravity and assaults the cabinet body and even cliies the user and indicates easily causes the health injury, makes user's experience feel relatively poor.

Therefore, this application designs a magnetism damping hinge for freezer, and when the door body of closing the freezer, this hinge can play certain damping effect to the whereabouts of the door body to prevent the emergence of the rapid whereabouts of the door body.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a magnetic damping hinge for a refrigerator and the refrigerator.

In order to achieve the purpose, the invention adopts the following technical scheme:

a magnetic damping hinge for a refrigerator comprises a hinge head and a hinge seat;

a hinged shaft and a movable shaft which are arranged in parallel are hinged on the hinge head; the two ends of the hinge shaft are hinged with the top of the hinge seat, and the hinge seat is provided with an arc-shaped channel for the two ends of the movable shaft to move;

the lower part of the hinge seat is provided with a supporting seat, the middle part of the supporting seat is movably inserted with a supporting plate, and the top end of the supporting plate is movably connected with the side wall of the movable shaft;

the top of the supporting seat is provided with a lower spring cushion, and the middle part of the lower spring cushion is provided with a strip-shaped hole for the supporting plate to pass through; the middle upper part of the supporting plate is provided with an upper spring pad, and a hinge spring is sleeved on the supporting plate between the upper spring pad and the lower spring pad;

the bottom of the hinge seat is fixedly provided with a fixed strong magnetic magnet, and the hinge seat at the upper part of the fixed strong magnetic magnet is provided with a moving strong magnetic magnet in a sliding manner along the vertical direction; the bottom end of the moving strong magnetic magnet and the top end of the fixed strong magnetic magnet are homopolar with each other in repulsion;

the bottom end of the supporting plate is abutted against the top end of the moving strong-magnetic magnet.

Preferably, the bottom end of the supporting plate is hinged with a pressure head, and the bottom end of the pressure head abuts against the top end of the moving strong-magnetic magnet.

Preferably, the hinge head comprises a first mounting plate; the left end and the right end of the first mounting plate are symmetrically provided with first side plates; the two first side plates are provided with hinge shaft holes for mounting hinge shafts and movable shaft holes for mounting movable shafts.

Preferably, the central axis of the articulated shaft is parallel to the first mounting plate; the plane formed by the central axis of the articulated shaft and the central axis of the movable shaft is parallel to the first mounting plate.

Preferably, the hinge base comprises a second mounting plate; the left end and the right end of the second mounting plate are symmetrically provided with second side plates;

the two second side plates are provided with hinge holes for hinge connection with the hinge shafts;

the arc-shaped channels are arranged on the two second side plates;

the bottom plate is vertically and fixedly arranged between the bottoms of the two second side plates, the fixed strong magnetic magnet is fixedly arranged at the top end of the bottom plate, and the moving strong magnetic magnet is arranged between the two second side plates on the upper portion of the fixed strong magnetic magnet in a sliding mode.

Preferably, the middle part of the supporting seat is provided with a through hole for the supporting plate to pass through;

the width of the lower part of the supporting plate is smaller than the length of the strip-shaped hole;

the width of the lower part of the supporting plate is smaller than the diameter of the through hole.

Preferably, the top of backup pad is provided with the arc recess, the arc recess card is on the lateral wall of loose axle and with the lateral wall swing joint of loose axle.

Preferably, a supporting pad in an arc structure is arranged between the arc groove and the side wall of the movable shaft.

The invention also provides a refrigerator.

The utility model provides a refrigerator, includes the cabinet body and the door body, be provided with the magnetism damping hinge for the refrigerator between the cabinet body and the door body, the hinge joint sets up on the door body, articulated seat sets up on the cabinet body.

The invention has the beneficial effects that:

according to the invention, the hinge head, the hinge base, the fixed strong magnetic magnet and the moving strong magnetic magnet are arranged, when the door is opened, the included angle between the hinge head and the hinge base is gradually changed from 180 degrees to 90 degrees, meanwhile, the support plate drives the spring to move upwards, the hinge spring gradually relaxes from a pressed state, and meanwhile, the elasticity is released, so that the door is opened more labor-saving; when the door is closed, the included angle between the hinge head and the hinge seat is gradually changed from 90 degrees to 180 degrees, the support plate drives the spring upper cushion to move downwards, the hinge spring is pressed to generate elastic force, the elastic force can relieve the impact of the door body on the cabinet body when the door is closed, the damage to the cabinet body can be reduced, and meanwhile, the noise is also reduced; meanwhile, in the downward moving process of the supporting plate, the lower end of the supporting plate pushes the strong magnetic magnet to move downwards, so that the distance between the strong magnetic magnet and the fixed strong magnetic magnet is shortened, the homopolar repulsion force of the magnet is increased, the closing speed of the door body is reduced, a damping effect is achieved, and the door body is prevented from falling rapidly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural view of the magnetic damping hinge for the refrigerator of the present invention when the door body of the refrigerator is closed;

fig. 2 is a schematic structural view of the magnetic damping hinge for the refrigerator of the present invention when the door body of the refrigerator is opened;

fig. 3 is a schematic front view of the structure of the magnetic damping hinge for refrigerator of the present invention;

fig. 4 is a schematic left side view of the structure of the magnetic damping hinge for refrigerator of the present invention;

fig. 5 is a schematic exploded view of the structure of the magnetic damping hinge for refrigerator of the present invention;

fig. 6 is a schematic structural view of a refrigerator equipped with the magnetic damping hinge for a refrigerator of the present invention;

wherein:

01-door body, 02-cabinet body;

1-hinge head, 11-first mounting plate, 12-first side plate, 13-hinge shaft hole, 14-movable shaft hole, 2-hinge shaft, 3-movable shaft, 4-support pad, 5-support plate, 51-arc groove, 6-hinge spring, 7-spring upper pad, 8-spring lower pad, 81-bar hole, 9-support seat, 91-through hole, 10-hinge seat, 101-arc channel, 102-second mounting plate, 103-second side plate, 104-hinge hole, 105-bottom plate, 110-fixed strong magnet, 120-moving strong magnet, 130-pressure head, 140-plastic pad.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present invention, terms such as "upper", "lower", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present invention, and do not particularly indicate any components or elements of the present invention, and are not to be construed as limiting the present invention.

In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.

The invention is further illustrated with reference to the following figures and examples.

Example 1:

as shown in fig. 1-4, a magnetic damping hinge for a refrigerator comprises a hinge head 1 and a hinge base 10;

a hinge shaft 2 and a movable shaft 3 which are arranged in parallel are hinged on the hinge head 1; the two ends of the hinge shaft 2 are hinged with the top of the hinge seat 10, and the hinge seat 10 is provided with an arc-shaped channel 101 for the movement of the two ends of the movable shaft 3; when the movable shaft 3 is positioned at the lower end of the arc-shaped channel 101, the door body of the refrigerator is closed;

the lower part of the hinge seat 10 is provided with a support seat 9, the middle part of the support seat 9 is movably inserted with a support plate 5, and the top end of the support plate 5 is movably connected with the side wall of the movable shaft 3;

the top of the supporting seat 9 is provided with a lower spring cushion 8, the middle part of the lower spring cushion 8 is provided with a strip-shaped hole 81 for the supporting plate 5 to pass through, and specifically, the upper part of the upper spring cushion 8 is sleeved with a plastic cushion 14; an upper spring pad 7 is arranged at the middle upper part of the supporting plate 5, and a hinge spring 6 is sleeved on the supporting plate 5 between the upper spring pad 7 and a lower spring pad 8;

the bottom of the hinge base 10 is fixedly provided with a fixed strong magnetic magnet 110, and the hinge base 10 at the upper part of the fixed strong magnetic magnet 110 is provided with a moving strong magnetic magnet 120 in a sliding manner along the vertical direction; the bottom end of the moving strong magnetic magnet 120 and the top end of the fixed strong magnetic magnet 110 are of the same polarity which is repellent;

the bottom end of the supporting plate 5 is abutted against the top end of the moving strong magnet 120.

Preferably, the bottom end of the supporting plate 5 is hinged with a pressing head 130, and the bottom end of the pressing head 130 abuts against the top end of the moving strong magnet 120.

Preferably, as shown in fig. 5, the hinge head 1 comprises a first mounting plate 11; the left end and the right end of the first mounting plate 11 are symmetrically provided with first side plates 12; the two first side plates 12 are provided with hinge shaft holes 13 for mounting the hinge shafts 2 and movable shaft holes 14 for mounting the movable shafts 3.

Preferably, the central axis of the hinge shaft 2 is parallel to the first mounting plate 11; and a plane formed by the central axis of the articulated shaft 2 and the central axis of the movable shaft 3 is parallel to the first mounting plate 11.

Preferably, as shown in fig. 5, the hinge base 10 includes a second mounting plate 102; the left end and the right end of the second mounting plate 102 are symmetrically provided with a second side plate 103;

the two second side plates 103 are provided with hinge holes 104 for hinge connection with the hinge shafts 2;

the arc-shaped channels 101 are arranged on the two second side plates 103;

a bottom plate 105 is vertically and fixedly arranged between the bottoms of the two second side plates 103, the fixed strong magnet 110 is fixedly arranged at the top end of the bottom plate 105, and the moving strong magnet 120 is slidably arranged between the two second side plates 103 at the upper part of the fixed strong magnet 110.

When the door body is closed, as shown in fig. 1, the movable shaft 3 is located at the lower end of the arc-shaped channel 101, and at this time, the first mounting plate 11 of the hinge head 1 and the second mounting plate 102 of the hinge base 10 are located on the same side and are in a parallel relationship of 180 degrees; when the door body is opened to a vertical state, as shown in fig. 2, the movable shaft 3 is positioned at the upper end of the arc-shaped channel 101, and at this time, the first mounting plate 11 of the hinge head 1 and the second mounting plate 102 of the hinge base 10 are in a 90-degree perpendicular relationship.

Preferably, as shown in fig. 5, a through hole 91 for the support plate 5 to pass through is formed in the middle of the support seat 9;

the width of the lower part of the supporting plate 5 is less than the length of the strip-shaped hole 81;

the width of the lower portion of the support plate 5 is smaller than the diameter of the through hole 91.

When the door body is opened and closed, the movable shaft 3 can move along the arc-shaped channel 101 around the hinge shaft 2; under hinge spring 6's effect, the arc recess 51 on supporting pad 4, 5 upper portions of backup pad can be pressed on the loose axle 3 all the time, consequently when the loose axle 3 moved, the certain swing can take place along the loose axle 3 motion in the upper portion of backup pad 5, therefore the lower part width of backup pad 5 is less than the length of bar hole 81 and the setting that the lower part width of backup pad 5 is less than the diameter of through-hole 91, can make backup pad 5 realize this kind of swing.

Preferably, as shown in fig. 5, an arc groove 51 is provided at the top end of the support plate 5, and the arc groove 51 is clamped on the side wall of the movable shaft 3 and movably connected with the side wall of the movable shaft 3.

Preferably, as shown in fig. 5, a supporting pad 4 having an arc structure is disposed between the arc groove 51 and the side wall of the movable shaft 3, and the supporting pad 4 is disposed to reduce wear between the movable shaft 3 and the supporting plate 5.

Example 2:

as shown in fig. 6, a refrigerator comprises a cabinet body 02 and a door body 01, wherein the magnetic damping hinge for the refrigerator in embodiment 1 is arranged between the cabinet body 02 and the door body 01, the hinge head 1 is arranged on the door body 01, and the hinge seat 10 is arranged on the cabinet body 02.

Specifically, the hinge head 1 is fixed in a door body bottom groove reserved at the bottom of the rear end of the door body 01 through a screw, the hinge seat 10 is fixed in a cabinet body top groove reserved at the top of the rear end of the cabinet body 02 through a screw, when the door body 01 is closed, the position relation between the hinge head 1 and the hinge seat 10 is shown in fig. 6, and at this time, the movable shaft 3 is located at the lower end of the arc-shaped channel 101.

When the door is opened, the hinge head 1 rotates clockwise around the hinge shaft 2 and simultaneously drives the movable shaft 3 to move upwards along the arc-shaped channel 101 on the hinge seat 10, and the upper part of the support plate 5 moves along with the movable shaft 3 due to the existence of the hinge spring 6; when the door is opened, the included angle between the hinge head 1 and the hinge seat 10 is gradually changed from 180 degrees to 90 degrees, meanwhile, the support plate 5 drives the spring upper pad 7 to move upwards, the hinge spring 6 gradually expands from a pressed state, and meanwhile, the elasticity is released, so that the door is opened more labor-saving; further, in the process of opening the door, the repulsive force between the moving strong magnet 12 and the fixed strong magnet 11 gives an upward force to the hinge head 1, and the labor saving degree of opening the door is further increased.

When the door is closed, the hinge head 1 rotates anticlockwise around the hinge shaft 2 and drives the movable shaft 3 to move downwards along the arc-shaped channel 101 on the hinge seat 10, the included angle between the hinge head 1 and the hinge seat 10 is gradually changed from 90 degrees to 180 degrees, the support plate 5 drives the upper spring pad 7 to move downwards, the hinge spring 6 is pressed to generate elastic force, the elastic force can reduce the impact of the door body 01 on the cabinet body when the door is closed, the damage to the cabinet body 02 can be reduced, and the noise is reduced; simultaneously, move down the in-process at loose axle 3 along arc passageway 101, 5 lower extremes of backup pad can continuously sink the motion, 5 lower extremes of backup pad can push away the downward motion of strong magnet 12 of motion, in the downward motion in-process of strong magnet 12 of motion, can continuously shorten with fixed strong magnet 11's distance, magnet homopolar repulsion force can be bigger and bigger, backup pad 5 is under the repulsion force effect, the motion of sinking can slow down, the rotation rate of hinge head 1 can slow down, so the door body 01 closes the speed and slows down in step, thereby play the damping effect, prevent the emergence that the door body 01 from dropping down rapidly.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.