CN113356706B

CN113356706B - Hinge and refrigeration equipment

Info

Publication number: CN113356706B
Application number: CN202010146668.2A
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: 2020-03-05
Filing date: 2020-03-05
Publication date: 2023-06-20
Anticipated expiration: 2040-03-05
Also published as: CN113356706A

Abstract

The invention discloses a hinge and refrigeration equipment, wherein the hinge comprises a box body connecting seat and a door body connecting seat, the door body connecting seat is rotationally connected with a rotating shaft, the box body connecting seat comprises a sliding groove, the sliding groove linearly extends along the extending direction perpendicular to the rotating shaft, the hinge also comprises an elastic supporting piece, a connecting piece and a limiting part, the elastic supporting piece comprises a supporting rod and an elastic piece, the elastic piece is propped against the supporting seat and the supporting rod, and the limiting part is fixedly connected with the supporting rod and penetrates through the sliding groove. In the process of turning motion of the door body connecting seat around the rotating shaft of the box body connecting seat, the traction connecting piece drives the elastic supporting piece to move, the supporting rod moves linearly under the limit of the limiting part, then the elastic supporting piece moves linearly, the hinge can be made to be very thin, the strength of the hinge structure is not affected, the width of the refrigerator can be reduced due to the thinning of the hinge, and the boxing amount during transportation can be made to be larger.

Description

Hinge and refrigeration equipment

Technical Field

The present invention relates to a hinge, and more particularly, to a refrigeration apparatus having the hinge.

Background

The hinge of freezer realizes the upset of freezer door body, and the hinge of current freezer is general all to be protruded in the freezer box outside, and receives structure and motion mode's restriction hardly to adjust, this makes whole thickness increase, and the vanning volume of freezer reduces.

The hinge of current freezer includes an arc groove, and the in-process of door body upset, the axle of the hinge of connecting the door body is reciprocal to rotate in the arc groove, so the lateral wall in arc groove need occupy certain thickness, and the in-process of the up-and-down motion of the elastic support spare of supporting the door body in the hinge, and the while is along with the in-process of axis in the arc groove back and forth swing motion, and the motion mode is complicated, and the motion of elastic support spare needs to occupy the space of hinge at thickness direction, has further restricted the thickness of hinge and can't be made thinly.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a hinge and refrigeration equipment with the hinge.

To achieve one of the above objects, an embodiment of the present invention provides a hinge, including a box connection seat and a door connection seat, where the box connection seat includes a support seat and a rotating shaft, the door connection seat is rotatably connected to the rotating shaft, the box connection seat includes a sliding groove, and the sliding groove linearly extends along an extending direction perpendicular to the rotating shaft, and the hinge further includes:

the elastic support piece comprises a support rod and an elastic piece, and the elastic piece is propped against the support seat and the support rod;

the connecting piece is simultaneously and pivotally connected to the supporting rod and the door body connecting seat;

and the limiting part is fixedly connected with the supporting rod and is slidably connected with the sliding groove.

As a further improvement of an embodiment of the present invention, the limiting portion includes a bolt and a nut, and the bolt sequentially passes through the sliding groove and the support rod and is screwed with the nut.

As a further improvement of an embodiment of the invention, the box connecting seat comprises a box connecting plate and two oppositely arranged positioning plates, the sliding groove is formed between the two positioning plates, the positioning plates are concavely arranged and connected with the box connecting plate towards one side of the elastic supporting piece, a sliding cavity is formed between the positioning plates and the box connecting plate, and the bolt comprises a tightening block which is arranged in the sliding cavity.

As a further improvement of an embodiment of the present invention, the door body connecting seat includes a swing shaft parallel to the rotation shaft, the support rod includes a rotation shaft, and the connecting piece is pivotally connected to both the rotation shaft and the swing shaft.

As a further improvement of an embodiment of the present invention, the hinge includes a tightening state and a releasing state, the rotation shaft and the rotation shaft are always located on the same plane during the process of switching the hinge from the tightening state to the releasing state, the swing shaft is far away from the plane, and the rotation shaft moves toward the rotation shaft along the extending direction of the sliding groove.

As a further improvement of an embodiment of the invention, the elastic piece is sleeved outside the supporting rod, the supporting seat is provided with an opening, the supporting rod passes through the opening, the box connecting seat comprises a positioning pin detachably connected with the supporting rod, and the positioning pin is arranged on one side, far away from the elastic piece, of the supporting seat.

As a further development of an embodiment of the invention, the elastic element is provided as a spring, which is always in a compressed state.

To achieve one of the above objects, an embodiment of the present invention provides a refrigeration apparatus including the hinge described above.

As a further improvement of an embodiment of the present invention, the refrigeration device includes a door body and a box body, 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.

As a further improvement of an embodiment of the present invention, a cavity is formed between the door body and the case body, the door body includes a closed state and an open state, and the swing shaft moves to the cavity during the process of switching the door body from the closed state to the open state, and the door body and the case body are always spaced from the swing shaft.

Compared with the prior art, the invention has the following beneficial effects: in the process of turning motion of the door body connecting seat around the rotating shaft of the box body connecting seat, the traction connecting piece drives the elastic supporting piece to move, the supporting rod moves linearly under the limit of the limiting part, and then the elastic supporting piece also moves linearly, so that the problem that a large amount of space is occupied due to the fact that the traditional hinge is provided with the arc-shaped groove and the elastic supporting piece to swing back and forth is avoided, the hinge can be made to be very thin, the strength of the hinge structure is not affected, the elastic supporting piece cannot swing back and forth, the width of the refrigerator can be reduced due to the thinning of the hinge, and the boxing amount during transportation can be made to be larger.

Drawings

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention;

fig. 2 is a side view of a refrigerator according to an embodiment of the present invention;

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

FIG. 4 is a front view of a hinge in a closed state according to an embodiment of the present invention;

FIG. 5 is a schematic view of a hinge in an open state according to an embodiment of the present invention;

FIG. 6 is a side cross-sectional view of a hinge in a closed state according to an embodiment of the present invention;

FIG. 7 is a side view of a hinge in an open state according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a hinge according to an embodiment of the invention;

wherein, 1, a hinge; 11. a box body connecting seat; 110. a sliding cavity; 111. a rotating shaft; 112. a first sidewall; 113. a box body connecting plate; 114. a support base; 115. a sliding groove; 116. a positioning plate; 117. a positioning pin; 12. a door body connecting seat; 121. a swing shaft; 13. an elastic support; 131. a support rod; 132. an elastic member; 133. a rotating shaft; 14. a connecting piece; 15. a limit part; 151. a bolt; 1511. a slide bar; 1512. tightening the block; 152. a nut; 100. a cavity; 2. a case; 3. a door body; 4. and (5) door sealing.

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 invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

An embodiment of the invention provides a hinge and a refrigeration device with the hinge, and the hinge is designed to be thinner in size under the state of keeping normal operation by redesigning the structure of the hinge, so that the overall size of the refrigeration device is reduced.

The refrigerating equipment provided by the embodiment of the invention is a refrigerator, and the refrigerator comprises a door body 3 and a box body 2, wherein a refrigerating space is enclosed inside the box body 2 as shown in fig. 1 or 2, the door body 3 seals the refrigerating space, the door body 3 is connected with the box body 2 through a hinge 1, and the hinge 1 supports the door body 3 to be opened and closed.

The hinge 1 of this embodiment includes a box body connecting seat 11 and a door body connecting seat 12 rotatably connected with the box body connecting seat, as shown in fig. 3 to 4, the door body connecting seat 12 is fixedly connected with the door body 3, and the box body connecting seat 11 is fixedly connected with the box body 2. The door body 3 of this embodiment is turned over from the side of the case 2, and the hinge 1 is correspondingly disposed on the side of the case 2 and the door body 3. For the sake of clarity of the connection positional relationship, in this embodiment, the direction of the hinge 1 toward the case 2 is defined as front, the opposite direction is defined as rear, the direction of the door 3 with respect to the case 2 is defined as up, the opposite direction is defined as down, and both sides facing the hinge 1 from the front are defined as left and right, respectively.

The box connecting seat 11 comprises a supporting seat 114 and a rotating shaft 111, the door connecting seat 12 is rotationally connected to the rotating shaft 111, the box connecting seat 11 comprises a sliding groove 115, the sliding groove 115 linearly extends along the extending direction perpendicular to the rotating shaft 111, the hinge 1 further comprises an elastic supporting piece 13, a connecting piece 14 and a limiting part 15, the elastic supporting piece 13 comprises a supporting rod 131 and an elastic piece 132, the elastic piece 132 is propped against the supporting seat 114 and the supporting rod 131, the connecting piece 14 is simultaneously and pivotally connected to the supporting rod 131 and the door connecting seat 12, the limiting part 15 is fixedly connected with the supporting rod 131 and penetrates through the sliding groove 115, and as shown in fig. 3 or 4, the box connecting seat 11, the door connecting seat 12, the connecting piece 14, the supporting rod 131 and the limiting part 15 jointly form a crank sliding block mechanism, so that the rotational motion of the door connecting seat 12 is converted into the linear motion of the supporting rod 131. In the process of overturning and opening the door body 3 around the hinge 1, 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 supporting rods 131 to move together, the supporting rods 131 move along the sliding grooves 115 under the limit of the limiting parts 15, the sliding grooves 115 linearly extend perpendicular to the extending direction of the rotating shaft 111, and the limiting parts 15 and the supporting rods 131 are limited to move only along the straight lines.

The elastic member 132 abuts against the supporting seat 114 and the supporting rod 131, and supports the supporting rod 131 to reciprocate, and the elastic supporting member 13 moves linearly together with the linear movement of the limiting groove at the limiting portion 15 under the support of the supporting seat 114, so that the required movable space inside the hinge 1 is reduced, and the thickness of the hinge 1 can be reduced.

The linear motion of the elastic support piece 13 of this embodiment is different from the swing motion of the traditional hinge 1, and the elastic support piece 13 is all along the linear motion, so that the required activity space inside the hinge 1 is greatly reduced, and the arc-shaped groove of the traditional hinge 1 is not required to be arranged, so that the problem that the traditional hinge 1 occupies a large amount of space due to the arrangement of the arc-shaped groove and the back-and-forth swing of the elastic support piece 13 is avoided, and therefore, the hinge 1 can be made to be 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.

Further, the limiting portion 15 includes a bolt 151 and a nut 152, the bolt 151 is inserted into the sliding groove 115 from the side of the box connecting plate 113 away from the elastic supporting member 13, and is in threaded connection with the nut 152 of the supporting rod 131 on the side of the box connecting plate 113 away from the box connecting plate, when the hinge 1 needs to be disassembled, the limiting portion 15 can be disassembled from the box connecting seat 11, namely, the outer side of the hinge 1, and the matching manner is simple and effective.

Still further, the box body connecting seat 11 includes a box body connecting plate 113 and two oppositely disposed positioning plates 116, a sliding groove 115 is formed between the two positioning plates 116, the positioning plates 116 are concavely disposed towards one side of the elastic supporting member 13 and connected to the box body connecting plate 113, a sliding cavity 110 is formed between the positioning plates 116 and the box body connecting plate 113, the bolt 151 includes a tightening block 1512 connected with the sliding rod 1511 by a sliding rod 1511, the tightening block 1512 is disposed in the sliding cavity 110, so that the hinge 1 is not jacked up by the bolt 151 extending out of the sliding groove 115 when the hinge 1 is attached to the refrigerator, on one hand, the hinge 1 and the refrigerator are further made thinner, and on the other hand, because the elastic member 132 and other parts have thicknesses, the bolt 151 is made as close to the elastic member 132 as possible in the thickness direction, and the hinge 1 is made thinner by using the same thickness space.

The door body connecting seat 12 comprises a swinging shaft 121 parallel to the rotating shaft 111, the supporting rod 131 comprises a rotating shaft 133, the connecting piece 14 is simultaneously and pivotally connected to the rotating shaft 133 and the swinging shaft 121, the swinging shaft 121 is parallel to the rotating shaft 111, the sliding groove 115 is perpendicular to the rotating shaft 111, when the door body connecting seat 12 overturns around the rotating shaft 111, the supporting rod 131 is driven to move along the direction perpendicular to the rotating shaft 111, two through holes can be respectively formed in the connecting piece 14, the swinging shaft 121 and the rotating shaft 133 respectively penetrate through the through holes of the connecting piece 14, the connecting piece 14 is always and pivotally connected with the swinging shaft 121 and the rotating shaft 133, and when the swinging shaft 121, the connecting piece 14 and the rotating shaft 133 move, relative rotation can occur among the three.

The hinge 1 comprises a tightening state and a releasing state, when the hinge 1 is in the tightening state, the spring is in a state with the maximum elasticity, and the door body 3 of the corresponding refrigerator is closed; the hinge 1 is in a release state, at the moment, the spring restores some deformation, and is in a state of minimum elasticity, and the door body 3 of the corresponding refrigerator is opened. In the process of switching the hinge 1 from the tightening state to the releasing state, the rotating shaft 111 and the sliding shaft are always located on the same plane, the swinging shaft 121 swings to be far away from the plane, and the sliding shaft slides along the sliding groove 115 toward the rotating shaft 111.

In the tightened state, the swing shaft 121 is located in the plane, so that the thickness of the hinge 1 is the thinnest, and the packing amount of the refrigerator during transportation is further increased.

In addition, the elastic piece 132 is sleeved outside the supporting rod 131, the supporting seat 114 is provided with an opening, the supporting rod 131 passes through the opening, the box connecting seat 11 comprises a positioning pin 117 detachably connected with the box connecting plate 113, the positioning pin 117 is arranged on one side, far away from the elastic piece 132, of the supporting seat 114, the positioning pin 117 passes through the supporting rod 131, when leaving the factory, the positioning pin 117 can be arranged on the box connecting seat 11, the positioning pin 117 can fix the supporting rod 131 to prevent the supporting rod from moving up and down, and when the supporting rod is delivered to a customer, the positioning pin 117 can be detached again.

The elastic supporting piece 13 further comprises an elastic piece 132 sleeved outside the supporting rod 131, the supporting rod 131 comprises a limiting bulge, the elastic piece 132 is propped between the supporting seat 114 and the limiting bulge,

the elastic member 132 is set as a spring, and the spring is always in a compressed state, and since the displacement of the movement of the supporting rod 131 is not large relative to the size of the hinge 1, the supporting rod 131 is always in a compressed state in the sliding process by adjusting the elastic coefficient and the size of the spring, and the compressed spring gradually recovers deformation in the opening process of the door body 3, so that a supporting force is provided for opening the door body 3, an auxiliary door body 3 is formed, and the opening force is reduced.

Preferably, the movement direction of the support rod 131 is parallel to the case connecting plate 113 under the restriction of the restriction part 15, the support rod 131 moves linearly in the up-down direction, and the elastic support member 13 also compresses or extends in the up-down direction, so that the movement of the elastic support member 13 in the direction perpendicular to the case 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.

As shown in fig. 4 or fig. 5, the supporting seat 114 of the present embodiment is transversely disposed between two first side walls 112, an opening through which the supporting rod 131 passes is disposed on the supporting seat 114, and under the elastic action of the spring, the supporting rod 131 can move along with the expansion and contraction of the spring, and in combination with the above description, the preferred solution of the present embodiment makes the movement mode of the sliding shaft limited on a plane parallel to the box connecting plate 113 to perform up-down rectilinear movement.

In other embodiments, the hinge 1 includes a cover plate, the cover plate permanently encapsulates the hinge 1 to form an outer surface of the hinge 1, the limiting part 15 includes a first limiting part disposed on the cover plate or the box connecting plate 113 and a second limiting part disposed on the sliding shaft, one of the first limiting part and the second limiting part is set to be a limiting block, the other is set to be a limiting groove, the first limiting part and the second limiting part are matched, when the limiting block moves in the limiting groove, the limiting block can only slide along a certain direction due to mutual limitation, and the limiting groove and the limiting block are both parallel to the box connecting plate 113, so that the movement direction of the limiting elastic supporting part 13 can only be parallel to the box connecting plate 113 and the movement direction is fixed.

Further, as shown in fig. 2 or fig. 3, a cavity 100 is formed between the door body 3 and the case 2, the door body 3 includes a closed state and an open state, when the door body 3 is switched from the closed state to the open state, the swing shaft 121 moves to the cavity 100, a space is always provided between the door body 3 and the case 2, a door seal 4 is generally required to be provided between the door body 3 and the case 2, when the cavity 100 exists between the door body 3 and the case 2 and the door seal 4, the swing shaft 121 moves to the position of the cavity 100 from inside the hinge 1, and by adjusting the height of the hinge 1 according to the position of the cavity 100, interference between the swing shaft 121 and other structures of the refrigerator can be avoided, so that the swing of the swing shaft 121 does not excessively swing due to the limit of the sliding shaft in the sliding groove 115, the arc-shaped groove of the conventional hinge 1 is not required to be provided, and the swing of the swing shaft 121 does not occupy the space inside the hinge 1, but the cavity 100 provided by itself is utilized, so that the thickness of the hinge 1 can be further made thinner.

Compared with the prior art, the embodiment has the following beneficial effects:

in the process of overturning the door body connecting seat 12 around the rotating shaft 111 of the box body connecting seat 11, the traction connecting piece 14 drives the elastic supporting piece 13 to move, the supporting rod 131 moves linearly under the limit of the limiting part 15, and then the elastic supporting piece 13 also moves linearly, so that the problem that a large amount of space is occupied because the traditional hinge 1 is provided with an arc-shaped groove and the elastic supporting piece 13 swings back and forth is avoided, the hinge 1 can be made to be very thin and the strength of the structure of the hinge 1 is not affected, the elastic supporting piece 13 does not swing back and forth, the width of a refrigerator can be reduced due to the thinning of the hinge 1, and the boxing amount during transportation can be made to be larger.

The above detailed description is merely illustrative of possible embodiments of the present invention, which should not be construed as limiting the scope of the invention, and all equivalent embodiments or modifications that do not depart from the spirit of the invention are intended to be included in the scope of the invention.

Claims

1. The utility model provides a hinge, includes box connecting seat and AND gate body connecting seat, the box connecting seat includes supporting seat and pivot, the door body connecting seat rotate connect in the pivot, its characterized in that, the box connecting seat includes the sliding tray, the sliding tray is along perpendicular to the extending direction straight line of pivot extends, the door body connecting seat include with the parallel oscillating axle of pivot, the hinge still includes:

the elastic support piece comprises a support rod and an elastic piece, wherein the elastic piece is propped against the support seat and the support rod, and the support rod comprises a rotating shaft;

the limiting part is fixedly connected with the supporting rod and is slidably connected with the sliding groove;

the hinge comprises a tightening state and a releasing state, the rotating shaft and the rotating shaft are always located on the same plane in the process of switching the hinge from the tightening state to the releasing state, the swinging shaft is far away from the plane, and the rotating shaft moves towards the rotating shaft along the extending direction of the sliding groove.

2. The hinge according to claim 1, wherein the limiting portion includes a bolt and a nut, and the bolt sequentially passes through the sliding groove and the support rod and is screwed with the nut.

3. The hinge according to claim 2, wherein the case connecting base includes a case connecting plate and two oppositely disposed positioning plates, the sliding groove is formed between the two positioning plates, the positioning plates are concavely disposed toward one side of the elastic support member and connected to the case connecting plate, a sliding cavity is formed between the positioning plates and the case connecting plate, the bolt includes a tightening block, and the tightening block is disposed in the sliding cavity.

4. The hinge according to claim 1, wherein the link is pivotally connected to both the rotational shaft and the swing shaft.

5. The hinge according to claim 1, wherein the elastic member is sleeved outside the support rod, the support base is provided with an opening, the support rod passes through the opening, the box connecting base comprises a positioning pin detachably connected with the support rod, and the positioning pin is arranged on one side, far away from the elastic member, of the support base.

6. A hinge according to claim 1, wherein the resilient member is provided as a spring, which is always in a compressed state.

7. A refrigeration device comprising a hinge according to any one of claims 1 to 6.

8. The refrigeration unit of claim 7, wherein the refrigeration unit comprises a door and a housing, the door connector is fixedly connected to the door, and the housing connector is fixedly connected to the housing.

9. The refrigeration unit as recited in claim 8 wherein a cavity is formed between said door and said cabinet, said door including a closed condition and an open condition, said swing shaft moving into said cavity during switching of said door from said closed condition to said open condition, said door and said cabinet each being always spaced from said swing shaft.