CN215889708U

CN215889708U - Hinge and refrigeration equipment with same

Info

Publication number: CN215889708U
Application number: CN202120552788.2U
Authority: CN
Inventors: 郭凯; 杨洪光; 王岩松; 王春青; 张书锋
Original assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-02-22
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a hinge and refrigeration equipment, wherein the hinge comprises a box body connecting seat and a door body connecting seat which is rotationally connected with the box body connecting seat, the box body connecting seat comprises a box body connecting plate which is connected with a box body, the box body connecting plate is provided with a sliding groove, the hinge also comprises a connecting piece and a sliding mechanism, the connecting piece is pivotally connected with the door body connecting seat and the sliding mechanism, the sliding mechanism comprises a matching part, and the matching part protrudes towards the box body connecting plate and is matched with the sliding groove in a sliding mode. The rotating motion of the door body connecting seat is converted into the motion of the sliding mechanism along the sliding groove along the matching and connecting part through the connecting piece, the angle of the door body opened relative to the box body is limited by the sliding groove and the door body is hovered, the sliding groove is arranged on the box body connecting plate, the arc-shaped groove arranged on the box body connecting seat in the prior art is omitted, the limitation of the size and the bearing strength of the arc-shaped groove on the hinge is avoided, the thickness of the hinge can be reduced, and the packing amount during storage and transportation is increased.

Description

Hinge and refrigeration equipment with same

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to a hinge and refrigeration equipment with the hinge.

Background

Refrigeration equipment such as refrigerators, freezers, wine cabinets and the like generally adopts a hinge to connect a door body and a box body so as to realize the opening or closing of the door body, but the door body needs to be hovered after being opened to a certain angle, so that a user can store and take articles. The hinge of the existing refrigeration equipment is generally provided with an arc-shaped groove on the side wall of a box body connecting seat, and in the process of opening the door body in a turning way, the swinging shaft of the door body connecting seat rotates in the arc-shaped groove in a reciprocating way to open or close the door body, and the door body is suspended after being opened by the end part of the arc-shaped groove.

But the arc wall itself need occupy certain lateral wall thickness, further still need stay between the both ends of arc wall and the border of lateral wall and establish certain thickness surplus in the thickness direction of lateral wall, in order to guarantee the intensity of lateral wall, and because the general gravity of refrigeration plant's the door body is great, so need guarantee to stay that the thickness surplus established is enough big in order to undertake a body gravity, the thickness that leads to the hinge can't be made thin, furthermore, the hinge generally all protrudes and sets up in refrigeration plant's outside, make refrigeration plant holistic thickness great, the vanning volume reduces during the storage transportation, the space during use occupies great.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a hinge and refrigeration equipment with the hinge, so as to solve the problems that the existing hinge is large in thickness and large in occupied space during storage, transportation and use.

In order to achieve one of the above objectives of the present invention, an embodiment of the present invention provides a hinge, including a box connecting seat and a door connecting seat rotatably connected to the box connecting seat, wherein the box connecting seat is connected to a box of a refrigeration device, the door connecting seat is connected to a door of the refrigeration device, the box connecting seat includes a box connecting plate connected to the box, the box connecting plate is provided with a sliding groove, the hinge further includes a connecting member and a sliding mechanism, the connecting member is pivotally connected to the door connecting seat and the sliding mechanism, the sliding mechanism includes a mating portion, and the mating portion protrudes toward the box connecting plate and is slidably mated to the sliding groove.

As a further improvement of an embodiment of the present invention, the box connecting seat further includes a rotating shaft, the door connecting seat is rotatably connected to the rotating shaft, and the sliding groove extends linearly in a direction perpendicular to the rotating shaft.

As a further improvement of an embodiment of the present invention, the box connecting seat includes a pair of protruding ribs disposed oppositely, the pair of protruding ribs are respectively connected with the box connecting plate and disposed on a side of the box connecting plate away from the box, a sliding cavity is formed between the pair of protruding ribs, and the sliding cavity is communicated with the sliding groove.

As a further improvement of an embodiment of the present invention, a distance between the pair of ribs is smaller than a width of the sliding groove in the axial direction of the rotating shaft.

As a further improvement of an embodiment of the present invention, the sliding mechanism includes a main body connected to the mating portion, the mating portion includes a bolt and a nut, the bolt sequentially passes through the sliding slot, the sliding cavity and the main body, and is in threaded connection with the nut on a side of the main body away from the box connecting plate, and the pair of ribs restricts the bolt from coming out of the sliding slot in a direction away from the box.

As a further improvement of an embodiment of the present invention, the hinge further includes an elastic supporting member, one end of the elastic supporting member is connected to the sliding mechanism, and the other end of the elastic supporting member abuts against the box connecting seat.

As a further improvement of an embodiment of the present invention, the elastic supporting element includes a supporting rod connected to the sliding mechanism and an elastic element sleeved on the periphery of the supporting rod, the box connecting seat includes a supporting seat, the supporting rod passes through the supporting seat and can move along the extending direction of the sliding groove relative to the supporting seat, and one end of the elastic element away from the sliding mechanism abuts against the supporting seat.

As a further improvement of an embodiment of the present invention, the box connecting seat further includes a positioning pin detachably connected to the supporting rod, and when the positioning pin is assembled to the supporting rod, the positioning pin is located on a side of the supporting seat away from the sliding mechanism and abuts against the supporting seat to limit the movement of the supporting rod relative to the supporting seat.

As a further improvement of an embodiment of the present invention, the box body connecting seat includes a pair of side walls disposed opposite to each other, the door body connecting seat includes a swing shaft, the connecting member is pivotally connected to the swing shaft, and the swing shaft is located between the pair of side walls.

As a further improvement of an embodiment of the present invention, the box body connecting seat further includes a box body connecting plate connected to the box body, the door body connecting seat has a door opening position for opening the door body, and when the door body connecting seat is located at the door opening position, an axis of the swing shaft is located on a plane where the box body connecting plate is located, or the axis of the swing shaft is located on a side, facing the box body, of the plane where the box body connecting plate is located.

As a further improvement of an embodiment of the present invention, the box connecting seat further includes a box connecting plate connected to the box, the door connecting seat has a door opening position for opening the door and a door closing position for closing the door, and the connecting member and the box connecting plate do not interfere with each other when the door connecting seat moves from the door closing position to the door opening position.

As a further improvement of an embodiment of the present invention, the box connecting seat further includes a box connecting plate connected to the box, and a portion of the connecting member located between the sliding mechanism and the door connecting seat is recessed in a direction away from the box connecting plate.

As a further improvement of an embodiment of the present invention, the box body connecting seat includes a rotating shaft and a box body connecting plate connected to the box body, the door body connecting seat is pivotally connected to the rotating shaft, the sliding mechanism includes a rotating shaft, the connecting member is pivotally connected to the rotating shaft, and a plane formed by the rotating shaft and an axis of the rotating shaft is parallel to the box body connecting plate.

As a further improvement of an embodiment of the present invention, the door body connecting seat includes a swing shaft, the connecting member is pivotally connected to the swing shaft, the door body connecting seat has a door closing position for closing the door body, and when the door body connecting seat is in the door closing position, an axis of the swing shaft is located on a plane formed by axes of the rotating shaft and the rotating shaft.

In order to achieve one of the above purposes of the present invention, an embodiment of the present invention provides a refrigeration apparatus, which includes a box body, a door body, and the hinge as described above, wherein the door body connecting seat is fixedly connected to the door body, and the box body connecting seat is fixedly connected to the box body.

Compared with the prior art, the utility model has the following beneficial effects: the door body is pivotally connected to the sliding mechanism and the door body connecting seat through the connecting piece, the matching part of the sliding mechanism moves along the sliding groove, the rotating motion of the door body connecting seat is converted into the motion of the sliding mechanism along the sliding groove along with the matching part through the connecting piece, the opening angle of the door body relative to the box body is limited by the end part of the sliding groove, and when the matching part moves to one end, close to the door body connecting seat, of the sliding groove, the door body is opened to the maximum opening angle and hovers under the limitation of the sliding groove; and through setting up the sliding tray in the box connecting plate, cancelled the arc wall of locating the box connecting seat among the prior art, avoided the hinge to receive the restriction of size and the bearing strength of arc wall, can attenuate the thickness of hinge, increased the vanning volume when warehousing and transportation, reduced the occupation space when using.

Drawings

FIG. 1 is a schematic diagram of a refrigeration unit according to an embodiment of the present invention;

FIG. 2 is a side view of a refrigeration unit in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic perspective view of a hinge according to an embodiment of the present invention, illustrating a door connecting seat at the door closing position;

FIG. 5 is an exploded schematic view of the hinge of FIG. 4;

fig. 6 is a schematic perspective view of a hinge according to an embodiment of the present invention, illustrating a door connecting seat at the door closing position;

FIG. 7 is a schematic perspective view of a hinge according to an embodiment of the present invention, illustrating a door connecting seat at the door opening position;

FIG. 8 is a longitudinal cross-sectional view of the hinge illustrating the door connecting mount in the closed position in accordance with one embodiment of the present invention;

FIG. 9 is a longitudinal cross-sectional view of the hinge of one embodiment of the present invention illustrating the door connecting mount in the open position;

fig. 10 is a perspective view of a hinge according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

An embodiment of the present invention provides a hinge and a refrigeration apparatus having the same, in which the size of the hinge is made thinner while maintaining a normal operation state by redesigning the structure of the hinge, so that the overall size of the refrigeration apparatus is reduced.

As shown in fig. 1 and 3, a refrigeration device provided in an embodiment of the present invention includes a hinge 1, a box body 2, and a door 3, wherein a refrigeration space is enclosed inside the box body 2, the door 3 is assembled to the box body 2 and can rotate relative to the box body 2 to open or close the refrigeration space, and the refrigeration device can be specifically configured as a refrigerator, a freezer, a wine cabinet, and the like. The door body 3 is connected with the box body 2 through a hinge 1, and the hinge 1 supports the opening and closing of the door body 3.

The hinge 1 of the embodiment includes a box connecting seat 11 and a door connecting seat 12 rotatably connected thereto, as shown in fig. 3 to 5, the door connecting seat 12 is fixedly connected to the door 3, and the box connecting seat 11 is fixedly connected to the box 2. The door 3 of the present embodiment is opened from the side of the cabinet 2, and correspondingly, the hinge 1 is provided at the side of the cabinet 2 and the door 3. For clarity of the connection position relationship, in the present embodiment, the direction of the hinge 1 toward the cabinet 2 is defined as front, the opposite direction is defined as rear, the direction of the door 3 with respect to the cabinet 2 is defined as upper, the opposite direction is defined as lower, and the right and left directions are defined as right and left directions, respectively, from the front to the two sides of the hinge 1.

Referring to fig. 4 to 5, the box connecting seat 11 is provided with a sliding groove 115, the hinge 1 further includes a connecting member 14 and a sliding mechanism 15, the connecting member 14 is pivotally connected to the sliding mechanism 15 and the door connecting seat 12, the sliding mechanism 15 includes a fitting portion 151 and a rotating shaft 152, the connecting member 14 is pivotally connected to the rotating shaft 152, the fitting portion 151 is fitted in the sliding groove 115, an opening angle of the door 3 with respect to the box 2 is limited by an end portion of the sliding groove 115 by the movement of the fitting portion 151 in the sliding groove 115, and when the fitting portion 151 is moved to an end of the sliding groove 115 close to the door connecting seat 11, the door 3 is opened to a maximum opening angle and hovers under the limitation of the sliding groove 115.

In this embodiment, the box connecting base 11 includes a box connecting plate 113 connected to the box 2, a sliding groove 115 is provided in the box connecting plate 113, a mating portion 151 protrudes toward the box connecting plate 113 and is slidably mated in the sliding groove 115, the sliding mechanism 15 includes a main body 153 connected to a rotating shaft 152, the mating portion 151 is provided in the main body 153, and the sliding groove 115 is located between the main body 153 and the box 2. Like this, not only can cancel the arc wall of locating box connecting seat 11 among the prior art, the thickness of attenuate hinge 1, box connecting plate 113 is located to sliding tray 115 moreover, and is less to the loss of strength of box connecting seat 11, has improved the security when the door body 3 is opened.

Further, the box connecting seat 11 further comprises a rotating shaft 111, the door connecting seat 12 is rotatably connected to the rotating shaft 111, the sliding groove 115 linearly extends along the axis direction perpendicular to the rotating shaft 111, namely extends up and down, and the matching part 151 linearly moves along the sliding groove 115, so that an arc-shaped groove arranged in the box connecting seat 11 in the prior art can be omitted, the limitation of the size and the bearing strength of the arc-shaped groove on the hinge 1 is avoided, the thickness of the hinge 1 can be reduced, the box loading amount during storage and transportation is increased, and the occupied space during use is reduced.

As shown in fig. 4 to 5, the box connecting seat 11, the door connecting seat 12, the connecting member 14, and the sliding mechanism 15 together form a slider-crank mechanism, which converts the pivoting motion of the door connecting seat 12 into the linear motion of the sliding mechanism 15. In the process that the door body 3 is turned over and opened relative to the box body 2, the door body connecting seat 12 fixed on the door body 3 is driven to rotate around the box body connecting seat 11, the door body connecting seat 12 pulls the connecting piece 14 to drive the sliding mechanism 15 to move together, the rotating shaft 152 moves along the sliding groove 115 under the limitation of the matching part 151, the sliding groove 115 extends linearly in the direction perpendicular to the axis of the rotating shaft 111, and the sliding mechanism 15 is limited to move only along the straight line.

Referring to fig. 5, further, the box connecting seat 11 further includes a pair of oppositely disposed ribs 116, the pair of ribs 116 are respectively connected to the box connecting plate 113 and disposed on a side of the box connecting plate 113 away from the box 2, an extending direction of the ribs 116 is identical to an extending direction of the sliding groove 115, a sliding cavity is formed between the pair of ribs 116, the sliding cavity is communicated with the sliding groove 115, the strength of the sliding groove 115 can be enhanced by the pair of ribs 116, and the sliding mechanism 15 is further limited to move along a straight line.

Further, the distance between the pair of ribs 116 is smaller than the width of the sliding groove 115 along the axial direction of the rotating shaft 111, so that a limiting structure can be assembled in the sliding groove 115 to limit the detachment of the fitting part 151 from the sliding groove 115, a space between the hinge 1 and the box body 2 caused by the fact that the limiting structure is assembled between the box body connecting plate 113 and the box body 2 is avoided, and the fitting part 151 cannot interfere with the box body 2 when sliding in the sliding groove 115, so that the thickness of the hinge 1 can be reduced, and the box loading amount of the refrigeration equipment can be increased.

Specifically, the mating portion 15 may employ a bolt 151 and a nut 152, the bolt 151 may pass through the box connecting plate 113 from one side of the box connecting plate 113 toward the box 2, and sequentially pass through the sliding groove 115, the sliding cavity, and the main body 153, and be in threaded connection with the nut 152 at one side of the main body 153 away from the box 2, so that a thick portion of a head end of the bolt 151 may be embedded in the sliding groove 115, and since a distance between the pair of ribs 116 is greater than a width of the sliding groove 115 in the axial direction of the rotating shaft 111, the head end of the bolt 151 may limit the mating portion 15 from coming out of the sliding groove 115 in a direction away from the box 2. Of course, the bolt 151 may also pass through the main body 153, the sliding cavity and the sliding groove 115 in sequence from the side of the main body 153 away from the box body 2, and be connected with the nut 152 in a threaded manner, and the nut 152 is located in the sliding groove 115. Wherein the rod diameter of the bolt 151 is smaller than the distance between the pair of ribs 116, thereby facilitating smooth up-and-down movement of the bolt 151 along the sliding groove 115.

Referring to fig. 3 and fig. 6 to 9, the hinge 1 further includes an elastic supporting member 13, one end of the elastic supporting member 13 is connected to the sliding mechanism 15, and the other end abuts against the box connecting seat 11.

The elastic supporting member 13 includes an elastic member 132 and a supporting rod 131, one end of the supporting rod 131 is connected to the sliding mechanism 15, specifically, the supporting rod 131 is connected to the main body 153, and the elastic member 132 is sleeved on the outer periphery of the supporting rod 131. The box connecting seat 11 further comprises a pair of side walls 112 oppositely arranged and a supporting seat 114 arranged at one end far away from the door connecting seat 12, the pair of side walls 112 are respectively connected with the left end and the right end of the box connecting plate 113, the supporting seat 114 is transversely arranged between the pair of side walls 112, the supporting seat 114 is provided with an opening for the supporting rod 131 to pass through, in this embodiment, the supporting rod 131 extends towards the supporting seat 114 to pass through the opening, the supporting rod 131 can move up and down relative to the supporting seat 114, the supporting rod 131 includes a limiting protrusion 1311, specifically, the limiting protrusion 1311 is disposed at one end of the supporting rod 131 close to the sliding mechanism 15, and the two ends of the elastic element 132 respectively abut against the supporting seat 114 and the position-limiting protrusion 1311, so as to support the supporting rod 131 to move linearly along the sliding groove 115 along with the sliding mechanism 15, thereby reducing the required moving space inside the hinge 1 and reducing the thickness of the hinge 1.

Under the combined action of the connecting member 14 and the elastic member 132, the supporting rod 131 can move relative to the supporting seat 114 along the extending direction of the sliding groove 115, i.e. the moving mode of the rotating shaft 152 is limited to be linear up and down on a plane parallel to the connecting plate 113 of the box body, and the supporting rod 131 does not always fall out of the opening.

The linear motion of the elastic support piece 13 of this embodiment is different from the swing motion of the traditional hinge 1, the elastic support piece 13 all follows linear motion, the required activity space in the hinge 1 is greatly reduced, the arc-shaped groove of the traditional hinge 1 also does not need to be arranged, the problem that the traditional hinge 1 is arranged with the arc-shaped groove and the elastic support piece 13 swings back and forth to occupy a large amount of space is avoided, thereby the hinge 1 can be made very thin and the strength of the structure of the hinge 1 is not influenced, and the use effect of the hinge 1 is better.

In addition, the elastic member 132 can be made as close as possible to the case connection plate 113 by combining the arrangement positions and the fitting structures of the fitting portion 151 and the sliding groove 115, and even if the elastic member 132 itself has a certain thickness in order to provide a sufficient supporting force to the elastic member 132, the hinge 1 can be made thinner with the same supporting force to the elastic member 132.

Preferably, the elastic member 132 is a spring, the spring is always in a compressed state, and because the displacement of the movement of the support rod 131 is not large relative to the size of the hinge 1, the spring is always in a compressed state in the sliding process along with the sliding mechanism 15 by adjusting the elastic coefficient and the size of the spring, and in the opening process of the door body 3, the compressed spring gradually recovers deformation, so as to provide a supporting force for opening the door body 3, and form an effect of assisting the opening of the door body 3, so that the door opening is labor-saving.

Preferably, the movement direction of the support rod 131 is parallel to the box connecting plate 113 under the limitation of the sliding mechanism 15, the support rod 131 moves linearly in the up-down direction, and the elastic support 13 also compresses or extends in the up-down direction, so that the movement of the elastic support 13 in the direction perpendicular to the box connecting plate 113 is avoided, the occupation of the space size of the hinge 1 is reduced, and the hinge 1 can be made thinner.

Referring to fig. 6 and 7, the box connecting seat 11 further includes a positioning pin 117 detachably connected to the supporting rod 131, when the positioning pin 117 is assembled to the supporting rod 131, the positioning pin 117 passes through the supporting rod 131 and is located on a side of the supporting seat 114 away from the elastic element 132, and the positioning pin 117 abuts against the supporting seat 114 to limit the movement of the supporting rod 131 relative to the supporting seat 114.

Preferably, when the positioning pin 117 is assembled on the supporting rod 131, the matching part 151 is located at the upper end of the sliding groove 115, that is, one end of the matching part 151, which is close to the connecting part 14, so that the included angle between the door body connecting seat 12 and the cabinet body connecting seat 11 is 180 °, that is, when the positioning pin 117 is assembled on the supporting rod 131, the hinge 1 makes the door body 3 of the refrigeration equipment in a closed state. When leaving the factory, the positioning pin 117 is assembled on the support rod 131, so that the damage to the hinge 1 caused by the vertical movement of the support rod 131 in the transportation process can be avoided; when the hinge 1 is assembled on the refrigeration equipment, the assembly of the hinge 1 can be realized without holding the door body connecting seat 12 by hands or fixing the door body connecting seat 12 against the door body 3 by means of tools, so that the door body connecting seat 12 is prevented from overturning back and forth relative to the box body connecting seat 11 to influence the assembly efficiency when the hinge 1 is assembled on the refrigeration equipment, and the labor cost is reduced; after the assembly is completed, the positioning pin 117 can be disassembled to avoid affecting the normal use of the refrigeration equipment.

In other embodiments, the positioning pin 117 may be detachably connected to the box connecting plate 113, and the supporting rod 131 may be fixed by passing the positioning pin 117 through the supporting rod 131 and then being assembled to the box connecting plate 113. In an alternative embodiment, the positioning pin 117 may be detachably connected to the sidewall 112, and the supporting rod 131 may be fixed by passing the positioning pin 117 through the supporting rod 131 and then assembling the supporting rod 131 to the sidewall 112.

Referring to fig. 4 and 5, the door body connecting seat 12 includes a bottom plate 122, a pair of side plates 123 disposed opposite to each other, and a swing shaft 121 parallel to the rotating shaft 111, the pair of side plates 123 are respectively connected to the left and right ends of the bottom plate 122 and located on the same side of the bottom plate 122, the pair of side plates 123 are located between the pair of side walls 112 and correspond to the pair of side walls 112 one by one, the swing shaft 121 is connected to the pair of side plates 123, the connecting member 14 is pivotally connected to the rotating shaft 152 and the swing shaft 121 at the same time, and the swing shaft 121 is located between the pair of side walls 112, that is, the swing shaft 121 is not connected to the box body connecting seat 11, an arc-shaped groove formed in the side wall 112 of the box body connecting seat 11 in the prior art is eliminated, the limitation of the size and the pressure-bearing strength of the arc-shaped groove of the hinge 1 is avoided, the thickness of the hinge 1 can be reduced, the box loading amount during storage and transportation is increased, and the occupied space during use is reduced.

Further, the door connecting seat 12 has a door opening position for opening the door 3 and a door closing position for closing the door 3, and when the door connecting seat 12 is at the door opening position, the axis of the swing shaft 121 is located on the plane where the box connecting plate 113 is located, or the swing shaft 121 is located on the side of the box connecting plate 113 facing the box 2.

As shown in fig. 2 to 3, a cavity 100 is formed between the door 3 and the cabinet 2, the door 3 includes a closed state and an open state, and with reference to fig. 7 and 9, when the door 3 is switched from the closed state to the open state, the swing shaft 121 moves to the cavity 100, a distance always exists between the swing shaft 121 and the door 3 and the cabinet 2, and a door seal 4 is generally required to be disposed between the door 3 and the cabinet 2, the cavity 100 exists between the door 3, the cabinet 2 and the door seal 4, when the swing shaft 121 swings, the swing shaft moves from the inside of the hinge 1 to the position of the cavity 100, by adjusting the assembly height of the hinge 1 according to the position of the cavity 100, the swing shaft 121 does not interfere with other structures of the refrigeration equipment, and the swing of the swing shaft 121 is limited by the sliding groove 115 to the mating part 151, the swing shaft 121 does not swing excessively, the arc-shaped groove of the conventional hinge 1 is not required, and the swing of the swing shaft does not occupy the space inside of the hinge 1, but instead makes use of the cavity 100 provided in the freezer itself, so that the thickness of the hinge 1 can be made even thinner.

Referring to fig. 7 and 9, further, in the process that the door body connecting seat 12 moves from the door closing position to the door opening position, the connecting piece 14 does not interfere with the box body connecting plate 113, and the door body connecting seat 12 includes a bottom plate attached to the door body 3, specifically, the distance between the bottom plate and the door body connecting plate 113 can be set, so that the swing shaft 121 can smoothly swing from the inside of the hinge 1 to the position of the cavity 100, and the thickness of the hinge 1 can be further made thinner.

Referring to fig. 3 to 9, a portion of the connecting member 14 between the rotating shaft 152 and the door connecting seat 12 is recessed away from the box connecting plate 113, so as to further prevent the connecting member 14 from interfering with the box connecting plate 113 during the movement of the door connecting seat 12 from the door closing position to the door opening position.

Further, referring to fig. 3 and 8, a plane formed by the axis of the rotation shaft 111 and the axis of the rotation shaft 152 is parallel to the case connection plate 113.

The hinge 1 comprises a tightening state and a releasing state, when the hinge 1 is in the tightening state, the spring is in the state of maximum elasticity, and the door body 3 corresponding to the refrigeration equipment is closed; when the hinge 1 is in a release state, the spring recovers some deformation and is in a state of minimum elasticity, and the corresponding door body 3 of the refrigeration equipment is opened.

Referring to fig. 3 and 8, when the hinge 1 is in the tightened state and the door body connecting seat 12 is in the door closing position, the axis of the swing shaft 121 is located on the plane formed by the axes of the rotating shaft 111 and the rotating shaft 152, so that the thickness of the hinge 1 can be minimized, and the packing amount of the refrigeration equipment during transportation is further increased.

In the process that the hinge 1 is switched from the tightening state to the releasing state, that is, in the process that the door body connecting seat 12 rotates from the door closing position to the door opening position, the rotating shaft 111 and the rotating shaft 152 are always located on the same plane, the swing shaft 121 swings towards the refrigeration equipment to be away from the plane, the rotating shaft 152 slides along the sliding groove 115 towards the rotating shaft 111, and when the door body connecting seat 12 rotates to the door opening position, the swing shaft 121 swings to the position that the axis thereof is located on the plane where the box connecting plate 113 is located, or the swing shaft 121 swings to the position that the axis thereof is located on the plane where the box connecting plate 113 is located towards one side of the box 2.

Referring to fig. 10, further, the hinge 1 further includes a cover plate 16, and the cover plate 16 encloses the hinge 1 and forms an outer surface of the hinge 1, so that the aesthetic appearance of the refrigeration device can be improved.

In other embodiments, the sliding groove 115 may be provided on the cover plate 16 such that the mating portion 151 protrudes toward the cover plate 16, thereby limiting the moving direction of the elastic support 13 to be only parallel to the case connection plate 113 and the moving direction is fixed.

Compared with the prior art, the embodiment has the following beneficial effects: the hinge 1 and the refrigeration equipment with the hinge are simultaneously and pivotally connected to the sliding mechanism 15 and the door body connecting seat 12 through the connecting piece 14, the matching part 151 of the sliding mechanism 15 moves along the sliding groove 115, the rotating motion of the door body connecting seat 12 is converted into the motion of the sliding mechanism 15 along the sliding groove 115 along with the matching part 151 through the connecting piece 14, the opening angle of the door body 3 relative to the box body 2 is limited by the end part of the sliding groove 115, and when the matching part 151 moves to one end, close to the door body connecting seat 11, of the sliding groove 115, the door body 3 is opened and hovers under the limitation of the sliding groove 115; and through setting up the sliding tray 115 in the box connecting plate 113, cancelled and located the arc wall of box connecting seat 11 among the prior art, avoided the hinge 1 to receive the restriction of size and the bearing strength of arc wall, can attenuate the thickness of hinge 1, increased the vanning volume when warehousing and transportation, reduced the occupation space when using.

The detailed description set forth above is merely a specific description of possible embodiments of the present invention and is not intended to limit the scope of the utility model, which is intended to include within the scope of the utility model equivalent embodiments or modifications that do not depart from the technical spirit of the present invention.

Claims

1. The hinge is characterized in that the box body connecting seat comprises a box body connecting plate connected with the box body, the box body connecting plate is provided with a sliding groove, the hinge further comprises a connecting piece and a sliding mechanism, the connecting piece is connected with the door body connecting seat in a pivoting mode and the sliding mechanism in a protruding mode, and the sliding mechanism comprises a matching portion, wherein the matching portion faces towards the direction that the box body connecting plate stretches convexly and is connected with the sliding groove in a sliding mode.

2. The hinge according to claim 1, wherein the box connecting seat further comprises a rotating shaft, the door connecting seat is rotatably connected to the rotating shaft, and the sliding groove extends linearly in a direction perpendicular to the rotating shaft.

3. The hinge according to claim 2, wherein the box connecting seat comprises a pair of oppositely disposed ribs, the pair of ribs are respectively connected with the box connecting plate and are disposed on a side of the box connecting plate away from the box, a sliding cavity is formed between the pair of ribs, and the sliding cavity is communicated with the sliding groove.

4. The hinge according to claim 3, wherein a distance between the pair of ribs is smaller than a width of the slide groove in an axial direction of the rotation shaft.

5. The hinge according to claim 4, wherein the sliding mechanism includes a main body connected to the mating portion, the mating portion includes a bolt and a nut, the bolt sequentially passes through the sliding slot, the sliding cavity and the main body and is in threaded connection with the nut on a side of the main body facing away from the box connecting plate, and the pair of ribs restricts the bolt from coming out of the sliding slot in a direction facing away from the box.

6. The hinge according to claim 1, further comprising an elastic supporting member, wherein one end of the elastic supporting member is connected to the sliding mechanism, and the other end of the elastic supporting member abuts against the box connecting seat.

7. The hinge as claimed in claim 6, wherein the elastic supporting member includes a supporting rod connected to the sliding mechanism and an elastic member sleeved around the supporting rod, the box connecting seat includes a supporting seat, the supporting rod passes through the supporting seat and can move relative to the supporting seat along the extending direction of the sliding slot, and one end of the elastic member away from the sliding mechanism abuts against the supporting seat.

8. The hinge according to claim 7, wherein the box connecting seat further comprises a positioning pin detachably connected to the supporting rod, and when the positioning pin is assembled to the supporting rod, the positioning pin is located on a side of the supporting seat away from the sliding mechanism and abuts against the supporting seat to limit the movement of the supporting rod relative to the supporting seat.

9. The hinge according to claim 1, wherein the box connecting seat comprises a pair of side walls disposed opposite to each other, the door connecting seat comprises a swing shaft, the connecting member is pivotally connected to the swing shaft, and the swing shaft is located between the pair of side walls.

10. The hinge according to claim 9, wherein the box connecting seat further comprises a box connecting plate connected to the box, the door connecting seat has a door opening position for opening the door, and when the door connecting seat is in the door opening position, the axis of the swing shaft is located on a plane of the box connecting plate, or the axis of the swing shaft is located on a side of the plane of the box connecting plate facing the box.

11. The hinge according to claim 1, wherein the box connecting seat further comprises a box connecting plate connected to the box, the door connecting seat has an open position for opening the door and a closed position for closing the door, and the connecting member does not interfere with the box connecting plate during the movement of the door connecting seat from the closed position to the open position.

12. The hinge according to claim 1, wherein the box connecting seat further comprises a box connecting plate connected to the box, and a portion of the connecting member between the sliding mechanism and the door connecting seat is recessed in a direction away from the box connecting plate.

13. The hinge according to claim 1, wherein the box connecting seat comprises a rotating shaft and a box connecting plate connected with the box, the door connecting seat is pivotally connected with the rotating shaft, the sliding mechanism comprises a rotating shaft, the connecting member is pivotally connected with the rotating shaft, and a plane formed by the rotating shaft and an axis of the rotating shaft is parallel to the box connecting plate.

14. The hinge according to claim 13, wherein the door body connecting seat includes a swing shaft, the connecting member is pivotally connected to the swing shaft, the door body connecting seat has a door closing position for closing the door body, and when the door body connecting seat is in the door closing position, an axis of the swing shaft is located on a plane formed by the axes of the rotating shaft and the rotating shaft.

15. The refrigerating equipment comprises a box body and a door body and is characterized by further comprising the hinge according to any one of claims 1-14, wherein the door body connecting seat is fixedly connected with the door body, and the box body connecting seat is fixedly connected with the box body.