Hinge-free upturning supporting device

Abstract

The invention relates to the technical field of hinges, and particularly discloses a hinge-free upturning supporting device which is provided with a connecting hinge cup, equivalently, besides a connecting seat connected with a supporting mechanism and a cabinet door are installed, the connecting hinge cup and the cabinet door are additionally installed, and therefore the installation stability between the cabinet door and the upturning supporting device is improved; therefore, even if a hinge is not installed between the cabinet door and the cabinet body, the cabinet door and the cabinet body are independently connected through the upturning supporting device, and the cabinet door can be stably turned over and opened and closed. The installation shell, the connecting base and the connecting hinge cup are each provided with a three-dimensional adjusting assembly. By arranging the three-dimensional adjusting assembly, the mounting positions of the mounting shell, the connecting base and the connecting hinge cup can be adjusted conveniently, so that the side edge of the cabinet door can be flush with the side edge of the cabinet body when the cabinet door is closed, and the attractiveness of the whole cabinet body is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hinges, and particularly relates to a hinge-free upward-folding support device. Background Art

[0002] Furniture such as boxes, cabinets, and tables are essential furniture items in every household. Currently, many of these furniture pieces use an upward-folding door structure to open and close the cabinet doors. After adopting this upward-folding door structure, in order to enable the cabinet door to hover when opened, an upward-folding support device that connects the cabinet door and the cabinet body is generally installed;

[0003] Among them, the upward-folding support device is mainly used to connect between the cabinet door and the cabinet body. However, although the current cabinet door and the cabinet body are already connected by the upward-folding support device, in order to ensure the connection stability between the cabinet door and the cabinet body, a mutually rotating hinge is still installed between the cabinet door and the cabinet body, so as to facilitate the stable flipping and opening between the cabinet door and the cabinet body. If only the upward-folding support device is installed between the cabinet door and the cabinet body without a hinge, then when the cabinet door is opened upward, it will only be stressed by the supporting effect of the upward-folding support device. Currently, the upward-folding support device and the cabinet door are only connected by a connecting seat, and the connecting seat is basically installed at both ends on one side of the cabinet door. Therefore, if the cabinet door and the cabinet body are not installed with a hinge and are only connected by the current upward-folding support device, then when the cabinet door is opened upward, it is likely to fail to hover due to less force. If the cabinet door cannot hover due to gravity, it may also freely flip downward, causing injury to personnel;

[0004] If a hinge is provided between the cabinet door and the cabinet body, then after installing the upward-folding support device, the position of the side of the cabinet door relative to the side of the cabinet body cannot be adjusted. If the sides of the cabinet door and the cabinet body are not aligned and cannot be adjusted due to the installation of the upward-folding support device, it will extremely affect the aesthetics of the entire cabinet.

[0005] The technical problem to be solved by this application is: to design a hinge-free upward-folding support device that does not require a hinge between the cabinet door and the cabinet body. Summary of the Invention

[0006] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a hinge-free upward-folding support device that does not require a hinge between the cabinet door and the cabinet body.

[0007] The technical solution adopted by the present invention is: a hinge-free upward-folding support device, including an installation shell, the installation shell is respectively provided with a support mechanism and a connecting plate mechanism that are rotationally matched therewith. One end of the support mechanism is provided with a connecting seat for installing with the cabinet door, one end of the connecting plate mechanism is provided with a connecting hinge cup for installing with the cabinet door, the connecting hinge cup is provided with a plurality of connecting parts, and three-dimensional adjustment components for adjusting the installation position are respectively provided on the installation shell, the connecting seat, and the connecting hinge cup.

[0008] In some embodiments, a hovering assembly is further included. The support mechanism includes a first support assembly and a second support assembly that are respectively rotatably connected to the mounting shell, and the first support assembly is rotatably engaged with the second support assembly through the hovering assembly.

[0009] In some embodiments, the support mechanism is provided with an oblong hole. The hovering assembly includes an abutting column that is limited and abutted against the oblong hole for hovering the cabinet door. The hovering assembly includes a connecting square column that penetrates through the middle of the abutting column. The abutting column penetrates through the oblong hole, and both ends of the connecting square column are fixedly connected to the first support assembly respectively.

[0010] In some embodiments, the abutting column is further provided with a synchronous push rod that is limited and fixedly connected thereto. The synchronous push rod is provided with an abutting surface, and the second support assembly is provided with a flange portion. When the cabinet door is turned up and hovers, the abutting surface abuts against the flange portion, and when the cabinet door is turned up and hovers, the abutting column abuts against and is limited by one end of the oblong hole.

[0011] In some embodiments, the support mechanism further includes a third support assembly whose one end is rotatably connected to the second support assembly, and one end of the third support assembly is rotatably connected to the connecting seat.

[0012] In some embodiments, the three-dimensional adjustment assembly includes a first eccentric pin that is limitedly engaged with the connecting seat for adjusting the up-and-down movement of the connecting seat, and a first adjustment pin for adjusting the front-and-back movement of the connecting seat.

[0013] In some embodiments, the connecting portion includes a first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are arranged in an L shape. One end of the connecting plate mechanism is hinged to the first connecting portion, and the three-dimensional adjustment assembly includes a second eccentric pin located at the second connecting portion for adjusting the left-and-right movement of the connecting hinge cup.

[0014] In some embodiments, a lifting mechanism for supporting the support mechanism when the cabinet door is opened and closed is provided inside the mounting shell. The lifting mechanism includes a spring seat that is limitedly slidable inside the mounting shell. The spring seat is hinged to one end of the first support assembly. A spring assembly is further provided inside the mounting shell. The spring assembly includes a spring and an adjustment seat connected to one end of the spring. The other end of the spring abuts against one end of the spring seat. An adjustment assembly for adjusting the abutting force between the spring and the spring seat is further provided inside the mounting shell, and the adjustment assembly is in transmission connection with the adjustment seat.

[0015] In some embodiments, a buffer device for buffering the connecting plate mechanism is further provided inside the installation shell. The buffer device includes a mounting seat installed inside the installation shell. Mounting side plates are provided on both sides of the mounting seat. The connecting plate mechanism is hinged to the mounting side plates. A damping rod rotatably connected thereto is further provided between the mounting side plates. One end of the connecting plate mechanism abuts against the damping rod. A damper is provided inside the mounting seat. One end of the damping rod abuts against one end of the damper. The three-dimensional adjustment assembly includes a cross screw that is in limit cooperation with the mounting seat for adjusting the forward and backward movement of the mounting seat. The three-dimensional adjustment assembly further includes a second adjustment screw that is in limit cooperation with the mounting seat for adjusting the up and down movement of the mounting seat.

[0016] In some embodiments, a corner bracket connecting the connecting seat and the connecting hinge cup is further provided between the connecting seat and the connecting hinge cup. Both the connecting seat and the connecting hinge cup are fixedly connected to the corner bracket.

[0017] The present invention has the following technical effects: By respectively providing a support mechanism and a connecting plate mechanism rotatably cooperating with the installation shell thereon. Except that one end of the support mechanism is provided with a connecting seat for installing with the cabinet door, a connecting hinge cup for installing with the cabinet door is further provided at one end of the connecting plate mechanism. A plurality of connecting parts for connecting with the cabinet door are provided on the connecting hinge cup. By providing the connecting hinge cup, it is equivalent to installing the cabinet door not only through the connecting seat connected to the support mechanism but also adding the installation between the connecting hinge cup and the cabinet door, thereby improving the installation stability between the cabinet door and the up-flipping support device. Furthermore, even without installing hinges between the cabinet door and the cabinet body and relying solely on the up-flipping support device to connect, the cabinet door can still be ensured to flip smoothly when opened and closed. And three-dimensional adjustment assemblies are respectively provided on the installation shell, the connecting seat and the connecting hinge cup. By providing the three-dimensional adjustment assemblies, it is convenient to adjust the installation positions of the installation shell, the connecting seat and the connecting hinge cup, so that the side of the cabinet door can be flush with the side of the cabinet body when the cabinet door is closed, thereby improving the aesthetics of the entire cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the hinge-free up-flipping support device according to Embodiment 1 of the present invention;

[0019] Figure 2 is a schematic internal structural diagram of the hinge-free up-flipping support device according to Embodiment 1 of the present invention;

[0020] Figure 3 is a schematic structural diagram of the buffer device of the hinge-free up-flipping support device according to Embodiment 1 of the present invention;

[0021] Figure 4 is an exploded schematic structural diagram of the buffer device of the hinge-free up-flipping support device according to Embodiment 1 of the present invention;

[0022] Figure 5 is a schematic structural diagram of the support mechanism of the hinge-free up-flipping support device according to Embodiment 1 of the present invention;

[0023] Figure 6 Structural schematic diagram of the hovering component of the hinge-free upward-folding support device in Embodiment 1 of the present invention;

[0024] Figure 7 Structural schematic diagram of the adjusting component of the hinge-free upward-folding support device in Embodiment 1 of the present invention;

[0025] Figure 8 Structural schematic diagram of the hinge-free upward-folding support device in Embodiment 2 of the present invention.

[0026] The reference numerals and names in the figure correspond as follows: 1, mounting shell; 2, support mechanism; 3, connecting plate mechanism; 4, connecting seat; 5, connecting hinge cup; 6, hovering component; 60, abutting column; 20, first support component; 21, second support component; 210, kidney-shaped hole; 61, connecting square column; 62, synchronous push rod; 620, abutting surface; 211, flange part; 22, third support component; 40, first eccentric nail; 41, first adjusting nail; 50, first connecting part; 51, second connecting part; 510, second eccentric nail; 7, lifting mechanism; 70, spring seat; 71, spring; 72, adjusting seat; 73, adjusting component; 730, adjusting screw rod; 731, adjusting part; 8, buffer device; 80, mounting seat; 81, mounting side plate; 82, damping rod; 83, damper; 84, cross screw; 85, second adjusting nail; 9, angle code; 10, base; 31, first connecting plate; 32, second connecting plate; 320, convex part. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1: Please refer to Figure 1-7, the present invention provides a technical solution: a hinge-free upwardly supported device, including a mounting shell 1, wherein the mounting shell 1 is respectively provided with a support mechanism 2 and a connecting plate mechanism 3 that are rotationally engaged therewith. One end of the support mechanism 2 is provided with a connection seat 4 for mounting on the cabinet door, and the connection seat 4 is provided with a base 10 fixedly connected thereto. For a wooden cabinet door, the provision of the base 10 facilitates the more stable installation of the connection seat 4 on the wooden cabinet door. One end of the connecting plate mechanism 3 is provided with a connection hinge cup 5 for mounting on the cabinet door. The connection hinge cup 5 is provided with a plurality of connection parts. By respectively providing the mounting shell 1 with a support mechanism 2 and a connecting plate mechanism 3 that are rotationally engaged therewith, in addition to one end of the support mechanism 2 being provided with a connection seat 4 for mounting on the cabinet door, one end of the connecting plate mechanism 3 is also provided with a connection hinge cup 5 for mounting on the cabinet door. The connection hinge cup 5 is provided with a plurality of connection parts for connection with the cabinet door. By providing the connection hinge cup 5, it is equivalent to adding the installation between the connection hinge cup 5 and the cabinet door in addition to the connection seat 4 connected to the support mechanism 2 being mounted on the cabinet door, thereby improving the installation stability between the cabinet door and the upwardly supported device, and further enabling the cabinet door to be smoothly flipped and switched even when not installed with hinges and relying solely on the upwardly supported device to connect the cabinet door and the cabinet body.

[0029] Three-dimensional adjustment components for adjusting the installation position are respectively provided on the mounting shell 1, the connection seat 4, and the connection hinge cup 5. The three-dimensional adjustment components include a first eccentric nail 40 that is in limit cooperation with the connection seat 4, and a first adjustment nail 41 that is in limit cooperation with the connection seat 4 for adjusting the front-back movement of the connection seat 4. The "up-down, left-right, front-back" directions mentioned in this embodiment specifically refer to Figure 1 the coordinate system in [reference]. By providing the first eccentric nail 40 on the connection seat 4, the connection seat 4 can be driven to move up and down by adjusting the first eccentric nail 40, thereby adjusting the installation position of the support mechanism 2 relative to the cabinet door, facilitating the reasonable telescoping of the support mechanism 2 when the cabinet door is flipped, and thus facilitating the free flipping of the cabinet door without being restricted by the telescoping length of the support mechanism 2. By providing the first adjustment nail 41, the installation depth of the connection seat 4 on the cabinet door can be controlled.

[0030] The connecting parts on the connecting hinge cup 5 include a first connecting part 50 and a second connecting part 51. The first connecting part 50 and the second connecting part 51 are arranged in an L shape. By setting the first connecting part 50 and the second connecting part 51 in an L shape, the installation area between the connecting hinge cup 5 and the cabinet door can be greatly increased, thereby improving the installation stability between the cabinet door and the connecting hinge cup 5. Moreover, the support force between the first connecting part 50 and the second connecting part 51 arranged in an L shape is more stable relative to the cabinet door. Therefore, it can ensure that the cabinet door and the cabinet body can be stably flipped relying on the upward-flipping support device even without installing hinges. One end of the connecting plate mechanism 3 is hinged to the first connecting part 50. The three-dimensional adjustment assembly further includes a second eccentric screw 510 located on the second connecting part 51. By adjusting the second eccentric screw 510, the connecting hinge cup 5 can be moved left and right, thus facilitating the reasonable adjustment of the installation position of the connecting hinge cup 5 on the cabinet door.

[0031] The support mechanism 2 further includes a hovering component 6. The support mechanism 2 is provided with an oblong hole 210. The hovering component 6 includes an abutting column 60 that is limited and abutted against the oblong hole 210 to generate a moment so that the cabinet door can hover when it is turned up. The support mechanism 2 includes a first support component 20 and a second support component 21 that are respectively rotatably connected to the mounting shell 1. The first support component 20 is rotationally matched with the second support component 21 through the hovering component 6. The hovering component 6 includes a connecting square column 61 that penetrates through the middle of the abutting column 60. The abutting column 60 penetrates through the oblong hole 210. The oblong hole 210 is provided on the second support component 21. The two ends of the connecting square column 61 are respectively fixedly connected to the first support component 20. Both the first support component 20 and the second support component 21 include two mirror-image rods. The two rods in the second support component 21 are fixedly connected to each other through a connecting block. One ends of the two rods in the first support component 20 are respectively hinged to the two rods in the second support component 21. The abutting column 60 is further provided with a synchronous push rod 62 that is limited and fixedly connected thereto. That is, the abutting column 60 penetrates through the synchronous push rod 62 and is fixedly connected to the synchronous push rod 62. The synchronous push rod 62 is further provided with an abutting surface 620. The second support component 21 is provided with a flange portion 211. Since the first support component 20 is fixedly connected to both ends of the connecting square column 61, when the cabinet door is turned over and opened, the first support component 20 can drive the entire hovering component 6 to slide in a limited manner in the oblong hole 210 through the connection with the connecting square column 61, thereby driving the synchronous push rod 62 to rotate. When the cabinet door is turned up and opened to 90°, at this time, the abutting column 60 slides to the uppermost end in the oblong hole 210 and abuts against the side wall of the oblong hole 210 for limiting to generate a moment. The abutting surface 620 on the synchronous push rod 62 also abuts against the flange portion 211 at this time to generate a moment. In this way, when the cabinet door is turned up and opened by 90°, due to the moment generated between the hovering component 6 and the oblong hole 210 and the flange portion 211 in the second support component 21, the cabinet door can be prevented from falling, and thus the upward turn and hovering can be realized.

[0032] The support mechanism 2 further includes a third support component 22 whose one end is rotatably connected to the second support component 21. One end of the third support component 22 is rotatably connected to the connecting seat 4. Through the mutual rotational connection between the first support component 20, the second support component 21, and the third support component 22, when the cabinet door is flipped and switched, the first support component 20, the second support component 21, and the third support component 22 can rotate relative to each other to realize being retracted and installed in the mounting shell 1 or being unfolded to support the cabinet door.

[0033] The lifting mechanism 7 for supporting the support mechanism 2 when the cabinet door is opened or closed is also provided inside the installation shell 1. By providing the lifting mechanism 7, the support mechanism 2 can be supported when the cabinet door is turned up and opened or turned down and closed, so as to realize the hovering of the cabinet door. The lifting mechanism 7 includes a spring seat 70 that is limited and slides inside the installation shell 1. One end of the spring seat 70 is hinged to one end of the first support assembly 20. A spring assembly is also provided inside the installation shell 1. The spring assembly includes a spring 71 and an adjustment seat 72 connected to one end of the spring 71. The other end of the spring 71 abuts against one end of the spring seat 70. An adjustment assembly 73 for adjusting the abutting force between the spring 71 and the spring seat 70 is also provided inside the installation shell 1. The adjustment assembly 73 is in transmission connection with the adjustment seat 72. The adjustment assembly 73 includes an adjustment screw 730, and the adjustment screw 730 is rotatably connected to the adjustment seat 72. The adjustment assembly 73 further includes an adjustment member 731 in transmission connection with the adjustment screw 730. The adjustment member 731 is meshed and driven with one end of the adjustment screw 730. The adjustment screw 730 can be driven to rotate by using the adjustment member 731, so as to drive the adjustment seat 72 to slide inside the installation shell 1, and further realize the adjustment of the abutting force of the spring 71 on the spring seat 70, so as to control the supporting force of the spring seat 70 on the support mechanism 2 when the cabinet door is turned down and closed. When the cabinet door is opened, the support mechanism 2 starts to drive, and the spring 71 is used to support the support mechanism 2 to expand, and the gravitational moment of the cabinet door itself reaches balance with the elastic force of the spring 71, so as to realize the hovering of the cabinet door. When the cabinet door is closed, at this time the support mechanism 2 contracts into the installation shell 1, and the spring 71 does not support the support mechanism 2.

[0034] The mounting shell 1 is also provided with a buffer device 8 for buffering the connecting plate mechanism 3. The connecting plate mechanism 3 includes a first connecting plate 31 and a second connecting plate 32 whose one ends are respectively hinged to the first connecting part 50. The buffer device 8 includes a mounting seat 80 installed in the mounting shell 1. Mounting side plates 81 are arranged on both sides of the mounting seat 80. The other ends of the first connecting plate 31 and the second connecting plate 32 are respectively hinged to the mounting side plates 81. A damping rod 82 rotatably connected thereto is also arranged between the mounting side plates 81. The second connecting plate 32 is provided with a convex part 320. The convex part 320 of the second connecting plate 32 abuts against the damping rod 82. A damper 83 is arranged in the mounting seat 80. One end of the damping rod 82 abuts against one end of the damper 83. The three-dimensional adjustment assembly further includes a cross screw 84 that is in limit cooperation with the mounting seat 80 for adjusting the front-back movement of the mounting seat 80, and a second adjusting screw 85 that is in limit cooperation with the mounting seat 80 for adjusting the up-down movement of the mounting seat 80. When the cabinet door is turned down and closed, the connecting plate mechanism 3 rotates with the connecting hinge cup 5. Since the convex part 320 abuts against the damping rod 82, the damping rod 82 will also be driven to rotate. One end of the damping rod 82 abuts against the damper 83 located in the mounting seat 80. Therefore, when the cabinet door is turned down and closed, the damper 83 gives a buffering force to the connecting plate mechanism 3 through the damping rod 82, so that the cabinet door can also be slowly closed.

[0035] Embodiment 2: Please refer to Figure 8 , the present invention also provides another embodiment, a hinge-free upward support device. An angle code 9 is also arranged between the connecting seat 4 and the connecting hinge cup 5. The connecting seat 4 and the connecting hinge cup 5 are both fixedly connected to the angle code 9. Since the connecting seat 4 and the connecting hinge cup 5 need to ensure the installation stability with the cabinet door, when the cabinet door is a glass cabinet door, since the connecting seat 4 and the connecting hinge cup 5 need to be adjusted after installation, by providing the angle code 9, then installing the angle code 9 on the glass cabinet door, and then installing the connecting seat 4 and the connecting hinge cup 5 with the angle code 9, the upward support device can be applied to be installed on the glass cabinet door. If the cabinet door is a wooden door, the connecting seat 4 and the connecting hinge cup 5 can be directly connected to the cabinet door.

[0036] Working principle of the present invention: By respectively providing a support mechanism 2 and a connecting plate mechanism 3 rotatably engaged with the mounting shell 1. Except that one end of the support mechanism 2 is provided with a connecting seat 4 for mounting with the cabinet door, one end of the connecting plate mechanism 3 is also provided with a connecting hinge cup 5 for mounting with the cabinet door. A number of connecting parts for connecting with the cabinet door are provided on the connecting hinge cup 5. By providing the connecting hinge cup 5, it is equivalent to adding the installation between the connecting hinge cup 5 and the cabinet door in addition to the connection between the connecting seat 4 connected to the support mechanism 2 and the cabinet door, thereby improving the installation stability between the cabinet door and the upward-folding support device. Furthermore, even if the cabinet door and the cabinet body are not installed with hinges and are only connected by the upward-folding support device, the cabinet door can still be smoothly flipped and opened. And a hovering assembly 6 is provided in the support mechanism 2. A waist-shaped hole 210 is provided in the support mechanism 2. By limiting the installation of the hovering assembly 6 in the waist-shaped hole 210, when the cabinet door is flipped and opened upward, the hovering assembly 6 can be in mutual contact with the waist-shaped hole 210, thereby generating a moment, and further enabling the cabinet door to hover when flipped upward. Therefore, by adding the connecting hinge cup 5 and providing the hovering assembly 6 in the support mechanism 2, even if there is no hinge between the cabinet door and the cabinet body, the cabinet door can still be stably flipped upward and hover. And three-dimensional adjustment components are respectively provided on the mounting shell 1, the connecting seat 4 and the connecting hinge cup 5. By providing the three-dimensional adjustment components, it is convenient to adjust the installation positions of the mounting shell 1, the connecting seat 4 and the connecting hinge cup 5, so that the side of the cabinet door can be flush with the side of the cabinet body when the cabinet door is closed, thereby improving the aesthetics of the entire cabinet body.

[0037] Finally, it should be noted that the above are only preferred examples of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A hinge-free flip-up support device, comprising a mounting shell, characterized in that: The mounting shell is respectively provided with a supporting mechanism and a connecting plate mechanism which are rotatably matched therewith, one end of the supporting mechanism is provided with a connecting seat which is installed with the cabinet door, one end of the connecting plate mechanism is provided with a connecting hinge cup which is installed with the cabinet door, the connecting hinge cup is provided with a plurality of connecting parts, and the mounting shell, the connecting seat and the connecting hinge cup are respectively provided with three-dimensional adjustment components for adjusting the mounting position.

2. The hinge-free flip-up support device according to claim 1, characterized in that: It also includes a suspension component, and the support mechanism includes a first support component and a second support component respectively rotatably connected to the mounting shell, and the first support component is rotatably matched with the second support component through the suspension component.

3. The hinge-free flip-up support device according to claim 2, characterized in that: The supporting mechanism is provided with a waist-shaped hole, and the suspension component includes an abutment column that is limitedly abutted with the waist-shaped hole for causing the cabinet door to suspend. The suspension component includes a connecting square column that passes through the middle of the abutment column, and the abutment column passes through the waist-shaped hole. Both ends of the connecting square column are respectively fixedly connected to the first supporting component.

4. The hinge-free flip-up support device according to claim 3, characterized in that: The abutment column is also provided with a synchronous push rod which is fixedly connected thereto and limited in position, the synchronous push rod is provided with an abutment surface, and the second support assembly is provided with a flange portion. When the cabinet door is flipped up and hovering, the abutment surface and the flange portion abut against each other, and when the cabinet door is flipped up and hovering, the abutment column of the hovering assembly abuts against one end of the waist-shaped hole and limits the position.

5. The hinge-free flip-up support device according to claim 2, characterized in that: The support mechanism also includes a third support component whose one end is rotatably connected to the second support component, and one end of the third support component is rotatably connected to the connecting seat.

6. The hinge-free flip-up support device according to claim 1, characterized in that: The three-dimensional adjustment component includes a first eccentric nail that cooperates with the connection seat to limit the connection seat and is used to adjust the connection seat to move up and down, and a first adjustment nail that is used to adjust the connection seat to move forward and backward.

7. The hinge-free flip-up support device according to claim 1, characterized in that: The connecting part includes a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged in an L shape, one end of the connecting plate mechanism is hinged to the first connecting part, and the three-dimensional adjustment component includes a second eccentric nail located at the second connecting part for adjusting the left and right movement of the connecting hinge cup.

8. The hinge-free flip-up support device according to claim 2, characterized in that: A lifting mechanism for supporting the supporting mechanism when the cabinet door is opened and closed is provided in the mounting shell, and the lifting mechanism includes a spring seat that slides within the mounting shell, and the spring seat is hinged to one end of the first supporting component. A spring assembly is also provided in the mounting shell, and the spring assembly includes a spring and an adjustment seat connected to one end of the spring, and the other end of the spring abuts against one end of the spring seat. An adjustment assembly for adjusting the abutment force between the spring and the spring seat is also provided in the mounting shell, and the adjustment assembly is transmission-connected to the adjustment seat.

9. The hinge-free flip-up support device according to claim 1, characterized in that: The mounting shell is also provided with a buffer device for buffering the connecting plate mechanism, the buffer device includes a mounting seat installed in the mounting shell, mounting side plates are provided on both sides of the mounting seat, the connecting plate mechanism and the mounting side plates are hinged, a damping rod rotatably connected to the connecting plate mechanism is provided between the mounting side plates, one end of the connecting plate mechanism abuts against the damping rod, a damper is provided in the mounting seat, one end of the damping rod abuts against one end of the damper, the three-dimensional adjustment component includes a cross screw that cooperates with the mounting seat limit to adjust the forward and backward movement of the mounting seat, and the three-dimensional adjustment component also includes a second adjustment nail that cooperates with the mounting seat limit to adjust the up and down movement of the mounting seat.

10. The hinge-free flip-up support device according to claim 1, characterized in that: An angle code connected to each other is also arranged between the connecting seat and the connecting hinge cup, and the connecting seat and the connecting hinge cup are both fixedly connected to the angle code.

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