CN109253579B

CN109253579B - Hinge device

Info

Publication number: CN109253579B
Application number: CN201811183394.3A
Authority: CN
Inventors: 窦金强; 王萌; 杨发林
Original assignee: Haier Smart Home Co Ltd
Current assignee: Haier Smart Home Co Ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2021-03-23
Anticipated expiration: 2038-10-11
Also published as: CN109253579A

Abstract

The invention discloses a hinge device which is arranged between a door body and a box body and is used for enabling the door body to be opened relative to the box body, wherein the hinge device comprises a sliding plate, a hinge shaft which is rotatably arranged on the sliding plate, a mounting plate which is arranged relative to the sliding plate in a sliding manner, an abutting piece which is abutted against the mounting plate and a resetting piece which enables the abutting piece to be always abutted against the mounting plate, and when the hinge shaft can be operated to rotate, the abutting piece is enabled to rotate to enable the sliding plate and the mounting plate to generate relative sliding. The hinge device provided by the invention has the advantages of simple and reliable structure and lower cost.

Description

Hinge device

Technical Field

The present invention relates to a hinge device.

Background

Traditionally, the hinge structure of refrigerator is through upper and lower hinge pin and the cooperation of axle sleeve about the door body, and the in-process of opening the door realizes that the door body is rotatory around the hinge pin to realize that the door body opens, this kind of rotatory structure of opening the door is opening the door in-process, and the size of door width direction can exceed the size of box itself, to the less condition in gap between embedded refrigerator or refrigerator shell and the wall body, adopts this kind of hinge structure, can restrict the opening angle of the refrigerator door body greatly, makes the use inconvenient. And in the state of closing the door, the width of the door body is consistent with the width of the refrigerator body, and the embedded refrigerator has to meet the condition that the door body cannot exceed the size of the refrigerator body in the process of opening the door to 90 degrees.

In order to solve the above technical problems, research and development personnel also design other embedded hinges, for example, the embedded function is realized by adopting multi-axis connecting rod rotation, but the structure is more complex and the cost is higher.

Disclosure of Invention

The invention aims to provide a hinge device which is simple and reliable in structure and low in cost.

In order to achieve one of the above objects, an embodiment of the present invention provides a hinge device disposed between a door and a cabinet for allowing the door to be opened with respect to the cabinet, wherein the hinge device includes a sliding plate, a hinge shaft rotatably disposed on the sliding plate, a mounting plate slidably disposed with respect to the sliding plate, an abutting member abutting against the mounting plate, and a returning member urging the abutting member to always abut against the mounting plate, and when the hinge shaft is operatively rotated, the abutting member is rotated to urge relative sliding between the sliding plate and the mounting plate.

As a further improvement of an embodiment of the present invention, one of the mounting plate and the sliding plate is provided with a first long guide hole, and the other of the mounting plate and the sliding plate is provided with a first longitudinal portion coupled with the first long guide hole.

As a further improvement of the embodiment of the present invention, one of the mounting plate and the sliding plate is further provided with a second long guide hole, and the other of the mounting plate and the sliding plate is further provided with a second longitudinal portion matched with the second long guide hole, and the extending directions of the first long guide hole and the second long guide hole are parallel.

As a further improvement of the embodiment of the present invention, the first long guide hole and the second long guide hole are both provided in the mounting plate, the first longitudinal portion and the second longitudinal portion are provided in the slide plate, and the returning member is provided between the first longitudinal portion and the mounting plate or between the second longitudinal portion and the mounting plate.

As a further improvement of an embodiment of the present invention, the abutting member and the restoring member are located on the same side of the mounting plate.

As a further improvement of an embodiment of the present invention, the hinge device further includes a rotating shaft rotatably disposed on the sliding plate, the hinge shaft is provided with a first coupling member, the rotating shaft is provided with a second coupling member coupled with the first coupling member, and the abutting member is fixedly disposed on the rotating shaft, and when the hinge shaft rotates, the rotating shaft can drive the abutting member to rotate.

As a further improvement of an embodiment of the present invention, the first and second couplers are located between the sliding plate and the mounting plate.

As a further improvement of an embodiment of the present invention, the slide plate includes a body portion from which the first longitudinal portion extends, the hinge shaft and the rotation shaft are provided in the body portion, the mounting plate includes a mounting portion and an abutting portion extending from the mounting portion, the first guide long hole is provided in the mounting portion, and the abutting piece abuts against the abutting portion.

As a further improvement of an embodiment of the present invention, the abutment member and the first coupling member are located on opposite sides of the mounting plate.

As a further improvement of an embodiment of the present invention, the abutment member is a cam.

As a further improvement of an embodiment of the present invention, the abutting member is a cam, and the abutting member is fixedly disposed on the hinge shaft, and when the hinge shaft rotates, the abutting member is driven to rotate.

As a further improvement of an embodiment of the present invention, an axis of the abutment is parallel to an axis of the hinge shaft.

Compared with the prior art, the invention has the beneficial effects that: when the hinge shaft can be operated to rotate, the abutting piece is rotated to promote relative sliding between the sliding plate and the mounting plate. And a reset piece which enables the abutting piece to be always abutted against the mounting plate is also arranged, so that the hinge device is simple in structure, reliable and low in cost. In addition, the distance between the hinge shaft and the side wall of the box body can be changed, so that the door body cannot exceed the box body.

Drawings

Fig. 1 is a schematic perspective view of a refrigerator according to a first embodiment of the present invention, in which a door is in a closed state;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is another perspective view of the refrigerator according to the first embodiment of the present invention, wherein the door is in a closed state;

FIG. 4 is an enlarged partial schematic view at B of FIG. 3;

FIG. 5 is an enlarged perspective view of the lower hinge device of the refrigerator of FIG. 3;

FIG. 6 is another enlarged perspective view of the lower hinge device of the refrigerator of FIG. 3;

FIG. 7 is a perspective view of the lower hinge device of the refrigerator of FIG. 3;

FIG. 8 is an enlarged perspective view of the upper hinge assembly of the refrigerator of FIG. 1;

FIG. 9 is an exploded perspective view of the upper hinge assembly of FIG. 8;

fig. 10 is a schematic perspective view of a refrigerator according to a second embodiment of the present invention, in which a door is in a closed state;

FIG. 11 is an enlarged partial schematic view at C of FIG. 10;

fig. 12 is a perspective view of the refrigerator in accordance with the second embodiment of the present invention, when the door body is opened at a certain angle;

FIG. 13 is an enlarged partial schematic view at D of FIG. 12;

FIG. 14 is an enlarged perspective view of the upper hinge assembly of the refrigerator of FIG. 12;

FIG. 15 is an enlarged perspective view of the upper hinge assembly of the refrigerator of FIG. 12 in another direction;

FIG. 16 is an enlarged perspective view of the upper hinge assembly of the refrigerator of FIG. 12 in still another direction;

FIG. 17 is a perspective view of an upper hinge assembly in a third embodiment of the present invention;

fig. 18 is a perspective view schematically showing a lower hinge device in a fourth 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.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.

Also, terms used herein such as "upper," "above," "lower," "below," and the like, denote relative spatial positions of one element or feature with respect to another element or feature as illustrated in the figures for ease of description. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, it will be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by the above terms. The above terms are only used to distinguish these descriptive objects from each other. For example, the first guide slot can be referred to as the second guide slot, and likewise the second guide slot can also be referred to as the first guide slot, without departing from the scope of protection of the application.

The preferred embodiment of the invention discloses a refrigerator, as shown in fig. 1 to 7, the refrigerator comprises a refrigerator body 10 and a door body 11 for opening or closing the refrigerator body 10, the refrigerator body 10 defines storage compartments, wherein the number and the structural form of the storage compartments can be configured according to different requirements. The storage compartment typically includes a refrigerator compartment and a freezer compartment.

The refrigerator further includes a hinge device disposed between the body 10 and the door 11, and the hinge device enables the door 11 to open at a certain angle with respect to the body 10 or enables the door 11 to be closed. The hinge device comprises an upper hinge device 12 and a lower hinge device 14, the upper hinge device 12 is arranged above the door body 11 and the box body 10, and the lower hinge device 14 is arranged below the door body 11 and the box body 10. The upper and lower sides herein are referred to when the refrigerator is in a use state. The upper hinge device 12 and the lower hinge device 14 may be arranged symmetrically to each other. The design can also be different, as long as the upper hinge device 12 and the lower hinge device 14 can keep the same motion track above and below the door body 11. The lower hinge assembly 14 will be described in detail below, followed by the upper hinge assembly 12.

In addition, in the preferred embodiment, the hinge device is used for a refrigerator. Of course, the hinge device may be used for other apparatuses as long as the apparatus is provided with a cabinet and a door body openable or closable with respect to the cabinet. The hinge device is arranged between the box body and the door body of the equipment, so that the door body is connected to the box body, and the door body can be opened at a certain angle or closed relative to the box body.

As will be described in greater detail below with reference to the hinge assembly 14, the lower hinge assembly 14 includes a lower slide plate 16, a lower hinge shaft 18 rotatably disposed on the lower slide plate 16, and a lower mounting plate 20 slidably disposed with respect to the lower slide plate 16, wherein the lower hinge shaft 18 is operable to rotate to facilitate relative sliding movement between the lower slide plate 16 and the lower mounting plate 20. In addition, the side of the door 11 where the hinge device is disposed is a rotating side, the box 10 has a side wall 22 adjacent to the rotating side, and an outer surface of the side wall 22 defines a plane.

One of the lower hinge shaft 18 and the lower mounting plate 20 is fixedly arranged on the door body 11, and the other one of the lower hinge shaft 18 and the lower mounting plate 20 is fixedly arranged on the box body 10. Specifically, in the preferred embodiment, the lower hinge shaft 18 is fixedly disposed on the door 11, and the lower mounting plate 20 is fixedly disposed on the box 10, so that when the door 11 is opened, the lower hinge shaft 18 is driven to rotate, so as to cause the lower sliding plate 16 to slide in a direction away from the plane relative to the lower mounting plate 20. So that the lower hinge shaft 18 and the door 11 together slide in a direction away from the plane with respect to the lower mounting plate 20 so that the door 11 does not go beyond the cabinet 10.

In the preferred embodiment, the lower hinge shaft 18 is operable to rotate to facilitate relative sliding movement between the lower sliding plate 16 and the lower mounting plate 20. The lower hinge device 14 is simple in structure and low in cost. In addition, the distance between the lower hinge shaft 18 and the sidewall 22 of the cabinet 10 is varied so that the door 11 does not go beyond the sidewall 22 of the cabinet 10.

One of the lower mounting plate 20 and the lower sliding plate 16 is provided with a first long guide hole 24, and the other of the lower mounting plate 20 and the lower sliding plate 16 is provided with a first longitudinal portion 26 matched with the first long guide hole 24. Specifically, in the present embodiment, the first long guide hole 24 is provided in the lower mounting plate 20, and the first longitudinal portion 26 is provided in the lower slide plate 16. Of course, the first guide long hole 24 may be provided in the lower slide plate 16, and the first elongated portion 26 may be provided in the lower attachment plate 20.

Further, one of the lower mounting plate 20 and the lower sliding plate 16 is further provided with a second long guiding hole 28, the other of the lower mounting plate 20 and the lower sliding plate 16 is further provided with a second longitudinal portion 30 matched with the second long guiding hole 28, and the extending directions of the first long guiding hole 24 and the second long guiding hole 28 are parallel. Specifically, in the present embodiment, the second long guide hole 28 is also provided in the lower mounting plate 20, and the second elongated portion 30 is provided in the lower slide plate 16. Similarly, the second elongated guide hole 28 may be provided in the lower slide plate 16, and the second elongated portion 30 may be provided in the lower attachment plate 20. Specifically, the first guide long hole 24 and the second guide long hole 28 extend in directions perpendicular to the depth direction of the casing 10.

The lower hinge device 14 further includes a lower abutment 32 that abuts the lower mounting plate 20 such that the lower abutment 32 rotates to cause relative sliding movement between the lower sliding plate 16 and the lower mounting plate 20 when the lower hinge shaft 18 is operatively rotated. In addition, the lower hinge device 14 further includes a lower return member 34 urging the lower abutment member 32 into constant abutment with the lower mounting plate 20. The lower reset piece 34 is disposed between the lower sliding piece and the lower mounting plate 20, and specifically, the lower reset piece 34 is a reset spring, that is, the reset spring is disposed between the sliding piece and the mounting plate. Further, a lower reset element 34 is disposed between the first elongated portion 26 and the lower mounting plate 20 or between the second elongated portion 30 and the lower mounting plate 20. Of course, the lower sliding plate 16 may be provided with a stop for stopping the return member at other positions instead of the first elongated portion 26 or the second elongated portion 30.

Specifically, the lower abutment member 32 and the lower reset member 34 are located on the same side of the lower mounting plate 20. Specifically, in the present embodiment, the lower hinge device 14 further includes a lower rotating shaft 35 rotatably disposed on the lower sliding plate 16, a first coupling member 36 is disposed on the lower hinge shaft 18, a second coupling member 38 coupled to the first coupling member 36 is disposed on the lower rotating shaft 35, and the lower abutting member 32 is fixedly disposed on the lower rotating shaft 35, so that when the lower hinge shaft 18 rotates, the lower rotating shaft 35 can drive the lower abutting member 32 to rotate. Further, a first coupler 36 and a second coupler 38 are positioned between the lower slide plate 16 and the lower mounting plate 20. The lower abutment 32 and the first coupler 36 are located on opposite sides of the lower mounting plate 20.

The lower sliding plate 16 includes a body portion 40, the first longitudinal portion 26 extends from the body portion 40, the lower hinge shaft 18 and the lower rotating shaft 35 are provided to the body portion 40, the lower mounting plate 20 includes a mounting portion 42 and an abutting portion 44 extending from the mounting portion 42, the first long guide hole 24 is provided to the mounting portion 42, and the lower abutting piece 32 abuts against the abutting portion 44.

In the present embodiment in particular, the lower abutment 32 is a cam. And the cam surface of the cam is parallel to the rotational axis of the lower spindle 35. When the lower hinge shaft 18 drives the first coupling member 36 to rotate, the second coupling member 38 can drive the lower abutment member 32 to rotate.

In addition, the axis of the lower abutment 32 is parallel to the axis of the lower hinge shaft 18. The first coupling member 36 is configured as a first gear, the second coupling member 38 is configured as a second gear, when the lower hinge shaft 18 rotates, the lower hinge shaft 18 drives the first gear to rotate, and the second gear drives the rotating shaft to drive the lower rotating shaft 35 to rotate so as to drive the lower abutting member 32 to rotate, so as to promote relative sliding between the lower sliding plate 16 and the lower mounting plate 20.

The lower mounting plate 20 is further provided with a long hole 46 through which the lower spindle 35 extends, the long hole 46 is located between the first guide long hole 24 and the second guide long hole 28, and the extending direction of the long hole is parallel to the extending direction of the first guide long hole 24. In addition, the lower abutment 32 and the first gear are located on opposite sides of the lower mounting plate 20. The first and second gears are located between the lower slide plate 16 and the lower mounting plate 20.

The upper hinge assembly 12 may be similarly configured to be symmetrical with the lower hinge assembly 14, although the upper hinge assembly may be configured in other configurations. Next, another structure of the upper hinge device 12 will be described.

As shown in fig. 1, 2, 8 and 9, the upper hinge device 12 also includes an upper sliding plate 48, an upper hinge shaft 50 rotatably disposed on the upper sliding plate 48, and an upper mounting plate 52 slidably disposed relative to the upper sliding plate 48, in this embodiment, the upper hinge shaft 50 is fixedly disposed on the cabinet 10, the upper mounting plate 52 is fixedly disposed on the door 11, when the door 11 is opened, the upper mounting plate 52 slides relative to the upper sliding plate 48, and relative rotation is generated between the upper hinge shaft 50 and the upper sliding plate 48. Similarly, the lower hinge device may be symmetrical to the upper hinge device 12, as long as the lower hinge device and the upper hinge device 12 can keep the same motion track above and below the door 11.

The upper hinge device 12 further includes an upper pivot 54 rotatably disposed on the upper slide plate 48 and an upper abutment member 56 abutting against the upper mounting plate 52, wherein a first coupling member 58 is disposed on the upper hinge shaft 50, and a second coupling member 60 coupled to the first coupling member 58 is disposed on the upper pivot 54. In this embodiment, the first coupling member 58 is configured as a first gear, the second coupling member 60 is configured as a second gear, and the upper abutting member 56 is fixedly disposed on the upper rotating shaft 54, when the door 11 is opened, the second gear rotates relative to the first gear, and a relative sliding motion is generated between the upper sliding plate 48 and the upper mounting plate 52. The upper mounting plate 52 moves together with the door 11 with respect to the upper hinge shaft 50 so that the door 11 does not go beyond the side wall 22 of the cabinet 10.

Specifically, the housing 10 is provided with a fixing plate 62, and the upper hinge shaft 50 is fixedly disposed on the fixing plate 62. Specifically, the fixing plate 62 is provided with a longitudinal pillar 64, and the upper hinge shaft 50 is provided with a longitudinal groove 66 adapted to the longitudinal pillar 64. The elongated post 64 mates with the elongated recess 66 to limit rotation of the upper hinge shaft 50 relative to the fixed plate 62 about the upper hinge shaft 50. Of course, it is also possible to arrange the elongated post 64 on the upper hinge shaft 50 and, correspondingly, the elongated groove 66 on the fixing plate 62. In the preferred embodiment, the upper hinge shaft 50 does not rotate, the upper hinge shaft 54 rotates relative to the upper hinge shaft 50, the upper slide plate 48 rotates relative to the upper hinge shaft 50, the upper hinge shaft 54 also rotates relative to the upper slide plate 48, and the upper mounting plate 52 slides relative to the upper slide plate 48 when the door body 11 is opened or closed.

The upper mounting plate 52 is also provided with a first elongated guide hole 68, and the upper slide plate 48 is provided with a first elongated portion 70 fitted into the first elongated guide hole 68. The upper mounting plate 52 is further provided with a second long guide hole 72, the upper slide plate 48 is further provided with a second longitudinal portion 74 which is matched with the second long guide hole 72, and the extending directions of the first long guide hole 68 and the second long guide hole 72 are parallel.

The upper hinge device 12 further includes an upper return member 76 urging the upper abutment member 56 into constant abutment with the upper mounting plate 52. In the preferred embodiment, the upper abutment member 56 and the upper return member 76 are located on opposite sides of the upper mounting plate 52.

Specifically, first and

second couplers

58, 60 are also located between upper sliding plate 48 and upper mounting plate 52. The upper sliding plate 48 includes a body portion 78, the first longitudinal portion 70 extends from the body portion 78, the upper hinge shaft 50 and the upper hinge shaft 54 are disposed on the body portion 78, the upper mounting plate 52 includes a mounting portion 80, an abutting portion 82 and a stopping portion 84 both extending from the mounting portion 80, the abutting portion 82 and the stopping portion 84 are disposed on opposite sides of the mounting portion 80, the first long guide hole 68 and the second long guide hole 72 are disposed on the mounting portion 80, the upper abutting member 56 abuts against the abutting portion 82, and the upper restoring member 76 is disposed between the body portion 78 and the stopping portion 84. In the preferred embodiment, the upper reset element 76 is also configured as a reset spring, and specifically, the reset spring may be configured as a tension spring, a compression spring, or the like.

Additionally, the upper abutment 56 and the first coupler 58 are located on opposite sides of the upper mounting plate 52. The upper abutment 56 is likewise a cam. And the axis of the upper abutment 56 is parallel to the axis of the upper hinge shaft 50.

As shown in fig. 10 to 16, the upper hinge device 86 according to the second embodiment of the present invention and the lower hinge device according to the first embodiment of the present invention have symmetrical structures, in which an upper hinge shaft 88 is fixedly disposed above the door 11, an upper mounting plate 90 is fixedly disposed above the cabinet 10, the upper hinge shaft 88 and an upper hinge shaft 92 are rotatably disposed on an upper sliding plate 94, and the upper sliding plate 94 is slidably disposed with respect to the upper mounting plate 90. The upper hinge shaft 88 is provided with a first coupling member 96, the upper rotating shaft 92 is provided with a second coupling member 98 coupled with the first coupling member 96, and similarly, the upper rotating shaft 92 is provided with an upper abutting member 100. In detail, the first coupling 96 is a first gear and the second coupling 98 is a second gear. When the door 11 is opened or closed relative to the cabinet 10, the door 11 rotates the upper hinge shaft 88, and the first gear drives the second gear to rotate, thereby driving the upper abutting member 100 to rotate, so as to cause the upper sliding plate 94 to slide relative to the upper mounting plate 90. The guiding structure between the upper sliding plate 106 and the upper mounting plate 110 is the same as the structure of the lower hinge device provided in the first embodiment, and the upper hinge device 86 has a structure similar to that of the lower hinge device in the first embodiment, but has a symmetrical structure, and will not be described in further detail.

As shown in fig. 17, the upper hinge device 102 according to the third embodiment of the present invention is similar to the first embodiment in that the upper hinge device 102 includes an upper sliding plate 106, an upper hinge shaft 108 rotatably disposed on the upper sliding plate 106, and an upper mounting plate 110 slidably disposed relative to the upper sliding plate 106, the upper hinge shaft 108 is fixedly disposed above the door, and the upper mounting plate 110 is fixedly disposed above the cabinet, when the door is opened, the upper hinge shaft 108 can be driven to rotate, so as to cause relative sliding movement between the upper sliding plate 106 and the upper mounting plate 110, and specifically, cause the upper sliding plate 106 to slide relative to the upper mounting plate 110 in a direction away from the outer side of the side wall of the cabinet. This embodiment is different from the first embodiment in that an upper rotation shaft is not provided, but an upper abutting piece 112 is directly provided on the upper hinge shaft 108, and the upper abutting piece 112 abuts against the upper mounting plate 110.

Specifically, the upper abutting member 112 is a cam, and the upper abutting member 112 is fixedly disposed on the upper hinge shaft 108, so that when the upper hinge shaft 108 rotates, the upper abutting member 112 is driven to rotate, so as to enable the upper sliding plate 106 to drive the upper hinge shaft 108 to slide relative to the upper mounting plate 110. The guiding structure between the upper sliding plate 106 and the upper mounting plate 110 is the same as that of the first embodiment and will not be described in detail.

As shown in fig. 18, in the lower hinge device 114 according to the fourth embodiment of the present invention, the structural form of the lower hinge device 114 and the lower hinge device according to the third embodiment are symmetrical to each other, the lower hinge shaft 116 is fixedly disposed below the door body, the lower mounting plate 118 is fixedly disposed below the box body, the lower abutting member 120 is directly disposed on the lower hinge shaft 116, and the lower abutting member 120 abuts against the lower mounting plate 118. In addition, the lower hinge shaft 116 is also rotatably disposed on the lower slide plate 122, and the lower slide plate 122 is slidably disposed with respect to the lower mounting plate 118. The lower abutment member 120 is also a cam, and the other structures of this embodiment are similar to those of the third embodiment and will not be described in detail.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A hinge device is arranged between a door body and a box body and used for enabling the door body to be opened relative to the box body, and is characterized by comprising a sliding plate, a hinge shaft rotatably arranged on the sliding plate, a mounting plate arranged relative to the sliding plate in a sliding manner, an abutting piece abutting against the mounting plate and arranged on the sliding plate, and a resetting piece urging the abutting piece to always abut against the mounting plate, when the hinge shaft can be operated and rotated, the abutting piece is rotated to urge the sliding plate and the mounting plate to generate relative sliding, a first guide long hole and a second guide long hole are arranged on one of the mounting plate and the sliding plate, a first longitudinal part matched and connected with the first guide long hole and a second longitudinal part matched and connected with the second guide long hole are arranged on the other of the mounting plate and the sliding plate, the first guide long hole and the second guide long hole extend in parallel, the hinge shaft extends through the second guide long hole, and the abutting piece is located between the first guide long hole and the second guide long hole.

2. The hinge device according to claim 1, wherein the first long guide hole and the second long guide hole are provided in the mounting plate, the first elongated portion and the second elongated portion are provided in the slide plate, and the returning member is provided between the first elongated portion and the mounting plate or between the second elongated portion and the mounting plate.

3. The hinge assembly of claim 2, wherein the abutment member and the return member are located on a same side of the mounting plate.

4. The hinge assembly as claimed in claim 1, further comprising a shaft rotatably disposed on the sliding plate, wherein the shaft has a first coupling member, the shaft has a second coupling member coupled to the first coupling member, and the abutment member is fixed to the shaft, such that when the shaft rotates, the shaft drives the abutment member to rotate.

5. The hinge assembly of claim 4, wherein the first and second couplers are positioned between the sliding plate and the mounting plate.

6. The hinge device according to claim 4, wherein the sliding plate includes a body portion from which the first longitudinal portion extends, the hinge shaft and the rotation shaft are provided to the body portion, the mounting plate includes a mounting portion and an abutting portion extending from the mounting portion, the first guide long hole is provided to the mounting portion, and the abutting member abuts against the abutting portion.

7. The hinge assembly of claim 4, wherein the abutment member and the first coupler are located on opposite sides of the mounting plate.

8. The hinge device of claim 4, wherein the abutment is a cam.

9. The hinge device of claim 1, wherein an axis of the abutment is parallel to an axis of the hinge shaft.