阅读说明：本技术 一种上翻装置的开闭结构 (Opening and closing structure of upturning device ) 是由 伍志勇 于 2021-01-15 设计创作，主要内容包括：一种上翻装置的开闭结构,包括通过转臂组件开闭在上翻装置上的铰链装置,转臂组件包括第一转臂和第二转臂,第一、第二转臂之间独立设置；上翻装置至少包括固定支架和设在固定支架上的弹性组件；铰链装置至少包括连接臂和拆装在连接臂上的固定底座；第一、第二转臂一端分别与连接臂转动连接,另一端分别与固定支架转动连接；第一转臂或第二转臂在转动时与弹性组件相互弹性作用；铰链装置通过第一、第二转臂、弹性组件的配合平移式弹性开闭在上翻装置上；连接臂和/或固定底座的装配角度在铰链装置开闭时基本保持不变。本发明通过上述结构的改良,可实现与铰链装置装配的面板能够平移式进行开闭、且其装配角度在开闭时基本保持不变,实用性强。(The opening and closing structure of the upturning device comprises a hinge device which is opened and closed on the upturning device through a rotating arm assembly, wherein the rotating arm assembly comprises a first rotating arm and a second rotating arm, and the first rotating arm and the second rotating arm are independently arranged; the upturning device at least comprises a fixed bracket and an elastic component arranged on the fixed bracket; the hinge device at least comprises a connecting arm and a fixed base which is assembled and disassembled on the connecting arm; one end of each of the first rotating arm and the second rotating arm is rotatably connected with the connecting arm, and the other end of each of the first rotating arm and the second rotating arm is rotatably connected with the fixed support; the first rotating arm or the second rotating arm elastically interacts with the elastic component when rotating; the hinge device is opened and closed on the upturning device in a translation type through the matching of the first rotating arm, the second rotating arm and the elastic component; the assembly angle of the connecting arm and/or the fixed base is substantially constant when the hinge device is opened and closed. Through the improvement of the structure, the panel assembled with the hinge device can be opened and closed in a translation mode, the assembly angle of the panel is basically kept unchanged during opening and closing, and the practicability is high.)

1. The utility model provides an on turn over opening and closing structure of device, includes the hinge means who turns on the device that turns on through rocking arm subassembly switching, its characterized in that: the rotating arm assembly comprises a first rotating arm (1) and a second rotating arm (2), and the first rotating arm (1) and the second rotating arm (2) are independently arranged; the upturning device at least comprises a fixed support (3) and an elastic component (A) arranged on the fixed support (3); the hinge device at least comprises a connecting arm (4) and a fixed base (5) which can be disassembled on the connecting arm (4); one ends of the first rotating arm (1) and the second rotating arm (2) are respectively and rotatably connected with the connecting arm (4), and the other ends of the first rotating arm and the second rotating arm are respectively and rotatably connected with the fixed bracket (3); the first rotating arm (1) or the second rotating arm (2) elastically interacts with the elastic component (A) when rotating; the hinge device is opened and closed on the upturning device in a translation type through the matching of the first rotating arm, the second rotating arm and the elastic component (A); the assembly angle of the connecting arm (4) and/or the fixed base (5) is kept substantially constant when the hinge device is opened and closed.

2. The opening and closing structure of the flip-up device according to claim 1, wherein: the connecting arm (4) is provided with a first connecting arm switching part (6) and a second connecting arm switching part (7), and the first connecting arm switching part (6) and the second connecting arm switching part (7) are independently arranged and form a space; a first support switching part (8) and a second support switching part (9) are arranged on the fixed support (3), and the first support switching part (8) and the second support switching part (9) are independently arranged and form a space;

one end of the first rotating arm (1) is rotatably connected with the first connecting arm switching part (6), and the other end of the first rotating arm is rotatably connected with the first support switching part (8);

one end of the second rotating arm (2) is rotatably connected with the second connecting arm switching part (7), and the other end of the second rotating arm is rotatably connected with the second support switching part (9).

3. The opening and closing structure of the flip-up device according to claim 1, wherein: the connecting arm (4) is arranged in a U shape, a first connecting arm transfer part (6) and a second connecting arm transfer part (7) are respectively arranged at two ends of the connecting arm, and the connecting arm is respectively connected with the first rotating arm and the second rotating arm in a rotating way through the first connecting arm transfer part and the second connecting arm transfer part; a middle arm (10) is arranged in the U-shaped connecting arm (4), the middle arm (10) is U-shaped, a clamping part (11) is arranged at one end of the middle arm (10), and a clamping piece (12) is elastically rotated or slid at the other end of the middle arm; still be provided with joint spare (13) on unable adjustment base (5), joint spare (13) one end is provided with joint cooperation portion (14) and joint portion (11) joint, and the other end is provided with buckle portion (15) and buckle spare (12) detachable connections.

4. The opening and closing structure of the flip-up device according to claim 3, wherein: an up-down adjusting piece (16) and/or a front-back adjusting piece (17) are arranged between the connecting arm (4) and the middle arm (10), and the up-down and/or front-back position adjustment of the connecting arm and the middle arm is realized through the up-down adjusting piece (16) and/or the front-back adjusting piece (17);

a left adjusting piece and a right adjusting piece (18) are arranged between the fixed base (5) and the clamping piece (13), and the left adjusting piece and the right adjusting piece (18) are used for realizing left and right position adjustment.

5. The opening and closing structure of the flip-up device according to claim 1, wherein: the two upturning devices and the two hinge devices are respectively arranged in the left and right directions; a synchronous rod (19) is also arranged between the left and right upturning devices, and the synchronous rod (19) is detachably arranged between the left and right first rotating arms (1) or the second rotating arms (2); the left first rotating arm (1) and the right first rotating arm (2) or the second rotating arm (2) synchronously and/or simultaneously rotate through a synchronizing rod (19) so as to realize synchronous and/or simultaneous translational elastic opening and closing of the left hinge device and the right hinge device on the left upturning device and the right upturning device.

6. The opening and closing structure of the flip-up device according to claim 1, wherein: a transmission rod (20) is arranged between the first rotating arm (1) or the second rotating arm (2) and the elastic component (A); the first rotating arm (1) or the second rotating arm (2) and the elastic component (A) elastically interact through the transmission rod (20) when rotating.

7. The opening and closing structure of the flip-up device according to claim 6, wherein: an elastic adjusting component (B) is arranged on the fixed support (3), and the elastic adjusting component (B) at least comprises an adjusting support (21) and a movable piece (22) which is movably arranged on the adjusting support (21) in an adjustable way; one end of the transmission rod (20) is rotatably connected with the second rotating arm (2), and the other end of the transmission rod is rotatably connected with the adjusting bracket (21); one end of the elastic component (A) is elastically and rotatably connected with the fixed support (3), the other end of the elastic component (A) is elastically and rotatably connected with the movable piece (22), and the elastic force adjustment is realized when the movable piece (22) moves; the hinge device is opened and closed on the upturning device in a translation type elastic mode through matching of the first rotating arm, the second rotating arm, the transmission rod (20), the elastic adjusting component (B) and the elastic component (A).

8. The opening and closing structure of the flip-up device according to claim 7, wherein: the elastic component (A) comprises a first sleeving part (23), a second sleeving part (24) and an elastic part (25); the outer end of the first sleeving piece (23) is rotatably connected with the fixed support (3), the outer end of the second sleeving piece (24) is rotatably connected with the movable piece (22), and two ends of the elastic piece (25) are elastically sleeved at the inner ends of the first sleeving piece (23) and the second sleeving piece (24) respectively; the elasticity adjusting component (B) also comprises an elasticity adjusting piece (26); the movable piece (22) is in driving connection with the elastic force adjusting piece (26), moves on the adjusting bracket (21) through the driving of the elastic force adjusting piece (26), and adjusts the elastic force generated by the elastic piece (25) during movement so as to adjust the elastic opening and closing force of the hinge device relative to the upturning device.

9. The opening and closing structure of the flip-up device according to claim 7, wherein: the fixing support (3) is provided with a limiting part (27), and the limiting part (27) has certain elasticity or plasticity; the second rotating arm (2) is limited and acts on the limiting part (27) when the hinge device is opened at a certain position in a translational elastic manner so as to limit the opening position of the hinge device relative to the upturning device.

10. The opening and closing structure of the flip-up device according to any one of claims 1 to 9, wherein: the fixed support (3) is also provided with a damper (28), and the damper (28) is an automatic reset damper or a non-automatic reset damper; when the hinge device is closed to a certain position, the damper (28) is acted on by the first rotating arm (1) or the second rotating arm (2) and drives the damper (28) to compress to generate a damping force, so that the translational elastic damping closing of the hinge device on the upturning device is realized.

Technical Field

The invention relates to an opening and closing structure of an upturning device.

Background

Chinese patent document No. CN210003127U discloses an upturned door upturning device and an upturned door storage cabinet in 31/1/2020, which includes a fixed panel, a controller, a motor, a driving gear, a rack, a support rod, an upturned door connecting block, a first connecting rod, a second connecting rod, a third connecting rod and a connecting member; a first hinge point of the upturned door connecting block is hinged with a first end of a first connecting rod, and a second hinge point of the upturned door connecting block is hinged with a first end of a second connecting rod; the second end of the first connecting rod is hinged with the first end of the third connecting rod, and the second end of the first connecting rod is also hinged with the rack; the middle part of the second connecting rod is hinged with the middle part of the third connecting rod; the second end of the third connecting rod is hinged with the fixed panel; the first end of the supporting rod is hinged with the fixed panel, and the supporting rod can drive the whole connecting piece to rotate around the rotating point; the motor drives the rack to move through the driving gear, and the motor is controlled by the controller. The above structure is said to facilitate the user in opening and closing the tilt-up door; however, the upturned door is opened in an upturned mode, the upturned device is turned in an arc shape by taking the upturned device as a circle center in the opening process of the upturned door at the lower end position, a large space is needed in front of the upturned door for the upturned door to be opened, the limitation of a use space is large, and meanwhile, the upturned door is easy to collide with a user in the upturned opening process, so that the user is injured, and the use safety is poor. Therefore, further improvements are necessary.

Disclosure of Invention

The invention aims to provide an opening and closing structure of an upturning device, and overcomes the defects that the upturning device is opened in an upturning mode, the limitation of a use space is large, and the use safety is poor in the prior art.

According to the opening and closing structure of a upturning device, which comprises a hinge device which is opened and closed on the upturning device through a rotating arm component, and is characterized in that: the rotating arm assembly comprises a first rotating arm and a second rotating arm, and the first rotating arm and the second rotating arm are independently arranged; the upturning device at least comprises a fixed bracket and an elastic component arranged on the fixed bracket; the hinge device at least comprises a connecting arm and a fixed base which can be disassembled on the connecting arm; one end of each of the first rotating arm and the second rotating arm is rotatably connected with the connecting arm, and the other end of each of the first rotating arm and the second rotating arm is rotatably connected with the fixed support; the first rotating arm or the second rotating arm and the elastic component mutually elastically act when rotating; the hinge device is opened and closed on the upturning device in a translation type through the matching of the first rotating arm, the second rotating arm and the elastic component; the assembly angle of the connecting arm and/or the fixed base is kept substantially constant when the hinge device is opened and closed.

The connecting arm is provided with a first connecting arm switching part and a second connecting arm switching part which are independently arranged and form a space; the fixed support is provided with a first support switching part and a second support switching part, and the first support switching part and the second support switching part are independently arranged and form a distance with each other.

One end of the first rotating arm is rotatably connected with the first connecting arm switching part, and the other end of the first rotating arm is rotatably connected with the first support switching part.

One end of the second rotating arm is rotatably connected with the second connecting arm switching part, and the other end of the second rotating arm is rotatably connected with the second support switching part.

The connecting arm is arranged in a U shape, a first connecting arm switching part and a second connecting arm switching part are respectively arranged at two ends of the connecting arm, and the connecting arm is respectively and rotatably connected with the first rotating arm and the second rotating arm through the first connecting arm switching part and the second connecting arm switching part; the U-shaped connecting arm is internally provided with a middle arm which is U-shaped, one end of the middle arm is provided with a clamping part, and the other end of the middle arm is elastically rotated or slid with a clamping part; still be provided with joint spare on the unable adjustment base, joint spare one end is provided with joint cooperation portion and joint portion joint, and the other end is provided with buckle portion and buckle spare detachable connections.

An up-down adjusting piece and/or a front-back adjusting piece are arranged between the connecting arm and the middle arm, and the up-down and/or front-back position adjustment of the connecting arm and the middle arm is realized through the up-down adjusting piece and/or the front-back adjusting piece.

Adjusting part about being provided with between unable adjustment base and the joint spare, and the two is through controlling adjusting part realization left right position control.

The two upturning devices and the two hinge devices are respectively arranged in the left and right directions; a synchronous rod is arranged between the left and right upturning devices and is detachably arranged between the left and right first rotating arms or the second rotating arm; the left and right first rotating arms or the second rotating arms synchronously and/or simultaneously rotate through the synchronizing rods so as to realize synchronous and/or simultaneous translational elastic opening and closing of the left and right hinge devices on the left and right upturning devices.

A transmission rod is arranged between the first rotating arm or the second rotating arm and the elastic component; the first rotating arm or the second rotating arm and the elastic component are mutually elastically acted through the transmission rod when rotating.

The fixed support is provided with an elastic adjusting assembly, and the elastic adjusting assembly at least comprises an adjusting support and a movable piece which is movably arranged on the adjusting support in an adjustable mode; one end of the transmission rod is rotatably connected with the second rotating arm, and the other end of the transmission rod is rotatably connected with the adjusting bracket; one end of the elastic component is elastically and rotatably connected with the fixed support, the other end of the elastic component is elastically and rotatably connected with the movable part, and the elastic adjustment is realized when the movable part moves; the hinge device is opened and closed on the upturning device in a translation type elastic mode through matching of the first rotating arm, the second rotating arm, the transmission rod, the elastic adjusting assembly and the elastic assembly.

The elastic assembly comprises a first sleeving piece, a second sleeving piece and an elastic piece; the outer end of the first sleeving piece is rotatably connected with the fixed support, the outer end of the second sleeving piece is rotatably connected with the movable piece, and two ends of the elastic piece are respectively and elastically sleeved at the inner ends of the first sleeving piece and the second sleeving piece; the elastic adjusting component also comprises an elastic adjusting piece; the movable piece is in driving connection with the elastic adjusting piece, moves on the adjusting support through the driving of the elastic adjusting piece, and adjusts the elastic force generated by the elastic piece during movement so as to adjust the elastic opening and closing force of the hinge device relative to the upturning device.

The fixed bracket is provided with a limiting part which has certain elasticity or plasticity; the second rotating arm acts on the limiting part in a limiting mode when the hinge device is opened at a certain position in a translation type elastic mode, so that the opening position of the hinge device relative to the upturning device is limited.

The fixed support is also provided with a damper which is an automatic reset damper or a non-automatic reset damper; when the hinge device is closed to a certain position, the first rotating arm or the second rotating arm acts on the damper and drives the damper to compress to generate damping force, so that the hinge device is closed on the upturning device in a translational elastic damping mode.

Through the improvement of the structure, the first rotating arm and the second rotating arm are arranged between the upturning device and the chain device in a rotating mode, the elastic component is arranged on the upturning device, and then the first rotating arm, the second rotating arm and the elastic component are matched with each other, so that the hinge device can be opened and closed on the upturning device in a translational elastic mode, the assembling angle of the connecting arm and/or the fixed base on the hinge device is kept unchanged basically during opening and closing, the panel assembled with the hinge device can be opened and closed in a translational mode, the assembling angle of the panel is kept unchanged basically during opening and closing, the problems that the panel in the prior art is opened in an upturning mode, a large space is needed for operation, and meanwhile, a user is easy to collide during opening, the user is injured due to collision and the like are effectively avoided, the opening and closing space of the panel is reduced, and.

In summary, the device has the characteristics of simple and reasonable structure, excellent performance, low manufacturing cost, less and smooth opening and closing space, convenience in use, safety, reliability and the like, and is high in practicability.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 and 3 are schematic views of an assembly structure according to an embodiment of the present invention.

Fig. 4 is an exploded view of the flip-up device and the hinge device according to an embodiment of the present invention.

Fig. 5 and 6 are schematic views of an assembly structure of the flip-up device and the hinge device according to an embodiment of the present invention.

Fig. 7 is a schematic view (in cross section) of an assembly structure of a hinge device according to an embodiment of the present invention.

Fig. 8 is an exploded view of a hinge device according to an embodiment of the present invention.

Fig. 9 is an exploded view of the fixing base and the clip according to an embodiment of the invention.

Fig. 10-12 are schematic diagrams of the opening and closing processes according to an embodiment of the invention.

Detailed Description

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

Referring to fig. 1 to 12, the opening and closing structure of the flip-up device includes a hinge device opened and closed on the flip-up device through a rotating arm assembly, wherein the flip-up device is fixedly connected with a cabinet body X, and the hinge device is detachably connected with a panel Y.

Specifically, the rotating arm assembly comprises a first rotating arm 1 and a second rotating arm 2, wherein the first rotating arm 1 and the second rotating arm 2 are independently arranged; the upturning device at least comprises a fixed support 3 and an elastic component A arranged on the fixed support 3, and the fixed support 3 is fixedly connected with the cabinet body X; the hinge device at least comprises a connecting arm 4 and a fixing base 5 which can be assembled on the connecting arm 4 in a detachable mode, the fixing base 5 is fixedly connected with the panel Y, and the panel Y is assembled on the connecting arm 4 in a detachable mode through the fixing base 5.

One end of each of the first rotating arm 1 and the second rotating arm 2 is rotatably connected with the connecting arm 4, and the other end of each of the first rotating arm and the second rotating arm is rotatably connected with the fixed bracket 3; the first rotating arm 1 or the second rotating arm 2 elastically interacts with the elastic component A when rotating; the hinge device is opened and closed on the upturning device in a translation type through the matching of the first rotating arm, the second rotating arm and the elastic component A; the angle of assembly of the connecting arm 4 and/or the fixed base 5 remains substantially constant when the hinge device is opened and closed.

That is, the panel Y can be opened and closed on the cabinet X in a translational manner, and the assembly angle between the panel Y and the hinge device is kept substantially unchanged during opening and closing. The panel Y of this embodiment is opened and closed as shown in fig. 10-12, and is assembled by vertically mounting and dismounting the fixing base 5 on the connecting arm 4, and it keeps vertical translation all the time in the opening and closing process, so as to effectively avoid the problem that the panel Y in the prior art needs a large space for opening in an upturning manner, and is easy to collide with a user when being opened, causing the problem that the user is injured, thereby reducing the opening and closing space of the panel Y and improving the use safety.

Further, the connecting arm 4 is provided with a first connecting arm transfer part 6 and a second connecting arm transfer part 7, and the first connecting arm transfer part 6 and the second connecting arm transfer part 7 are independently arranged and form a space; the fixed support 3 is provided with a first support switching part 8 and a second support switching part 9, and the first support switching part 8 and the second support switching part 9 are independently arranged and form a distance with each other.

One end of the first rotating arm 1 is rotatably connected with the first connecting arm switching part 6, and the other end is rotatably connected with the first support switching part 8.

One end of the second rotating arm 2 is rotatably connected with the second connecting arm switching part 7, and the other end is rotatably connected with the second support switching part 9.

Because the first connecting arm transfer part 6 and the second connecting arm transfer part 7 and the first bracket transfer part 8 and the second bracket transfer part 9 form a distance, the first rotating arm 1 and the second rotating arm 2 which are respectively connected with the first connecting arm transfer part and the second connecting arm transfer part in a rotating way form a distance difference in rotating, so that the first rotating arm 1 and the second rotating arm 2 are prevented from colliding in rotating, meanwhile, the space is reasonably utilized, the opening and closing space of the panel Y is further reduced, and the space utilization rate is improved.

The connecting arm 4 is arranged in a U shape, a first connecting arm switching part 6 and a second connecting arm switching part 7 are respectively arranged at two ends of the connecting arm, and the connecting arm is respectively and rotatably connected with the first rotating arm and the second rotating arm through the first connecting arm switching part and the second connecting arm switching part; a middle arm 10 is arranged in the U-shaped connecting arm 4, the middle arm 10 is U-shaped, a clamping part 11 is arranged at one end of the middle arm 10, and a clamping part 12 is elastically rotated or slid at the other end of the middle arm; still be provided with joint spare 13 on unable adjustment base 5, joint spare 13 one end is provided with joint cooperation portion 14 and 11 joints of joint portion, and the other end is provided with buckling parts 15 and 12 removable assembly of buckle spare and is connected.

Panel Y has adopted the mode of joint to realize dismantled and assembled setting promptly, has not only simplified panel Y's dismouting structure, can also let the user can conveniently, swiftly, accomplish panel Y's dismouting high-efficiently, improves user's use and experiences.

An up-down adjusting piece 16 and a front-back adjusting piece 17 are arranged between the connecting arm 4 and the middle arm 10, and the up-down and front-back position adjustment of the connecting arm and the middle arm is realized through the up-down adjusting piece 16 and the front-back adjusting piece 17.

A left and right adjusting piece 18 is arranged between the fixed base 5 and the clamping piece 13, and the left and right position adjustment of the fixed base and the clamping piece is realized through the left and right adjusting piece 18.

Namely, the panel Y can realize the position adjustment of up-down, front-back and left-right relative to the cabinet body X after being assembled, so that the panel Y and the cabinet body X can achieve the closing effect of tight joint, and the appearance of the product is more tidy and beautiful.

The two upturning devices and the two hinge devices are respectively arranged at the left and the right; wherein, a synchronizing rod 19 is also arranged between the left and right upturning devices, and the synchronizing rod 19 is detachably arranged between the left and right first rotating arms 1 or the second rotating arms 2; the left and right first rotating arms 1 or the second rotating arms 2 rotate synchronously and/or simultaneously through the synchronizing rods 19, so that the left and right hinge devices can be synchronously and/or simultaneously opened and closed on the left and right upturning devices in a translation type elastic mode.

The left and right upturning devices are respectively fixedly arranged on the left and right inner side walls of the cabinet body X, and the left and right hinge devices are respectively connected with the left and right sides of the panel Y in a dismounting way. The upturning device and the hinge device are arranged in a left-right mode, and meanwhile, the left hinge device and the right hinge device can be synchronously and/or synchronously opened and closed on the left upturning device and the right upturning device in a translation mode by utilizing the synchronizing rod 19, so that the left side and the right side of the panel Y can be stably opened and closed on the cabinet body X, the problem that the left side and the right side of the panel Y are unbalanced in opening and closing and the panel Y cannot be really opened and closed on the cabinet body X or are blocked and unsmooth in opening and closing is solved.

A transmission rod 20 is arranged between the first rotating arm 1 or the second rotating arm 2 and the elastic component A; the first rotating arm 1 or the second rotating arm 2 interacts elastically with the elastic component a through the transmission rod 20 when rotating.

Furthermore, an elastic adjusting assembly B is arranged on the fixed bracket 3, and the elastic adjusting assembly B at least comprises an adjusting bracket 21 and a movable member 22 movably arranged on the adjusting bracket 21 in an adjustable manner; one end of the transmission rod 20 is rotatably connected with the second rotating arm 2, and the other end of the transmission rod is rotatably connected with the adjusting bracket 21; one end of the elastic component A is elastically and rotatably connected with the fixed bracket 3, the other end of the elastic component A is elastically and rotatably connected with the movable piece 22, and the elastic force adjustment is realized when the movable piece 22 moves; the hinge device is opened and closed on the upturning device in a translation type elastic mode through the matching of the first rotating arm, the second rotating arm, the transmission rod 20, the elastic adjusting component B and the elastic component A.

The elastic component A comprises a first sleeve connector 23, a second sleeve connector 24 and an elastic member 25; the outer end of the first sleeving piece 23 is rotatably connected with the fixed support 3, the outer end of the second sleeving piece 24 is rotatably connected with the movable piece 22, and two ends of the elastic piece 25 are elastically sleeved at the inner ends of the first sleeving piece 23 and the second sleeving piece 24 respectively. The mode that adopts elastic component 25 both ends suit sets up, can guarantee that any displacement problem can not appear in the during operation of elastic component 25, improves the job stabilization nature of elastic component 25, and the elasticity that simultaneously can also make elastic component 25 produce is more concentrated, and it is extravagant to reduce elasticity.

The elastic adjusting component B also comprises an elastic adjusting piece 26; the movable member 22 is drivingly connected to the elastic force adjusting member 26, and is movably mounted on the adjusting bracket 21 by the driving of the elastic force adjusting member 26, and adjusts the elastic force generated by the elastic member 25 during movement, so as to adjust the elastic opening/closing force of the hinge device relative to the flip-up device. Because the elastic force of the elastic member 25 is adjustable, the user can adjust the elastic force generated by the elastic member 25 according to the weight of the panel Y, so that the panel Y can achieve the opening and closing effects of uniform speed, uniform acceleration or deceleration.

The fixed bracket 3 is provided with a limiting part 27, and the limiting part 27 has certain elasticity or plasticity; the second swivel arm 2 is in a position-limiting action on the limiting part 27 when the hinge device is opened in a certain position in a translatory elastic manner, so as to limit the opening position of the hinge device relative to the flip-up device. The limiting part 27 has elasticity or plasticity, so that the rotation of the second rotating arm 2 can be buffered, the noise generated when the panel Y is opened is reduced, and meanwhile, the limiting effect between the second rotating arm 2 and the limiting part 27 is utilized to ensure that the panel Y is opened relative to the cabinet body X only in a specified position, thereby ensuring the use safety of the product.

The fixed bracket 3 is also provided with a damper 28, and the damper 28 is an automatic reset damper or a non-automatic reset damper; when the hinge device is closed to a certain position, the damper 28 is acted on by the first rotating arm 1 or the second rotating arm 2, and the damper 28 is driven to be compressed to generate a damping force, so that the translational elastic damping closing of the hinge device on the upturning device is realized. The use of the damper 28 can reduce the collision and noise generated by the panel Y and the cabinet body X when the panel Y is closed, further ensure the use safety of the product, and improve the use experience of the user.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.