Multi-function rotation adjustment device

Abstract

To provide a multi-function rotation adjusting device that can be freely attached and detached according to demand. [Solution] The multifunctional rotary adjuster includes a chassis, to which a connecting shaft 2 is connected, and to the top of the connecting shaft is attached a top mounting plate 3 for fixedly connecting to the bottom of a stool, chair, sofa, or sofa bed cushion. A central rotating plate 4 is rotatably connected to the connecting shaft, and a rotating holder 5 is fixedly connected to the central rotating plate. An angle adjuster 8 is connected to the end of the rotating holder, and a desktop adjusting holder 6 is connected to the end of the desktop adjusting holder, and an angle adjuster is connected to the desktop holder 7. The top mounting plate is rotatably connected to the top of the connecting shaft, and the chassis is rotatably connected to the bottom of the connecting shaft. The rotating holder and the rotating plate are detachable, making storage and transportation convenient.

Description

[Technical Field]

[0001] The present invention relates to the technical field of furniture and household products, and more particularly to a multi-function rotation adjustment device that can be applied to stools, chairs, sofas, sofa beds, etc. [Background technology]

[0002] Chairs, sofas, and sofa beds refer to various types of seating for work, rest, and entertainment in daily work and social activities. Conventional chairs, sofas, and sofa beds usually include a cushion and a backrest.

[0003] Traditional chairs, sofas, and sofa beds only have a single function and are used as comfortable seating. When playing games, a separate hand support table is required to provide support for mobile phones, tablets, notebooks, etc., which is costly, space-saving, and results in low chair utilization.

[0004] For this reason, some conventional chairs, sofas, and sofa beds are also designed with handrails, folding desks, and footrests for support, but these conventional support structures are all fixedly attached to specific positions on the chairs, sofas, and sofa beds and cannot be moved or changed, which is disadvantageous for saving space and for adapting to different people's usage habits and meeting various needs during use. Summary of the Invention [Problem to be solved by the invention]

[0005] To solve the above technical problems, the present invention designs a multi-function rotation adjustment device for use in stools, chairs, sofas, and sofa beds. [Means for solving the problem]

[0006] This invention adopts the following technical solutions:

[0007] A multi-function rotation adjusting device includes an upper connecting member, a lower connecting member, and an intermediate rotor, the upper connecting member being used to be fixedly connected to the bottom of a cushion of a stool, chair, sofa or sofa bed, a support holder being fixedly attached to the intermediate rotor, and the support holder rotatingly adjusting the angular position of the support via the intermediate rotor.

[0008] Preferably, the lower connecting member is a chassis, the upper connecting member is a top mounting plate, a connecting shaft is connected to the chassis, the top mounting plate is used to fixly connect to the bottom of the cushion of a stool, chair, sofa or sofa bed, the connecting shaft is rotatably connected to the central rotating plate, and the central rotating plate is fixedly connected to the support holder. The intermediate rotor can be not only a turntable, but also rotatable parts such as an electric rotating device, a bearing, an air rod, a rotating shaft, etc.

[0009] Preferably, the support holder includes a rotating holder, a desktop adjustable holder, and a desktop holder, the rotating holder is fixedly connected to the central rotating disk, the desktop adjustable holder is connected to the end of the rotating holder via an angle adjuster, and the desktop adjustable holder is connected to the end of the desktop adjustable holder via an angle adjuster.

[0010] Preferably, the top mounting platen is rotatably connected to the top of a connecting shaft, and a base is attached to the bottom of a chassis, and the chassis is rotatably connected to the connecting shaft.

[0011] Preferably, the desktop adjustable holder includes a sleeve rod and a core rod, a spring pin fixedly attached to one side of the core rod, and a plurality of positioning holes for fitting the spring pins are uniformly formed along a straight line on the corresponding side of the sleeve rod, and the length of the entire desktop adjustable holder is adjusted by fitting the spring pins or bolts into the positioning holes. Length adjustment can be achieved not only by the positioning holes, but also by locking grooves, gas springs, electric push rods, etc.

[0012] Preferably, the rotary holder includes a sleeve rod and a core rod, a spring pin fixedly attached to one side of the core rod, and a plurality of positioning holes for fitting the spring pins are uniformly formed along a straight line on the corresponding side of the sleeve rod, and the length of the entire rotary holder is adjusted by fitting the spring pins or bolts into the positioning holes. Length adjustment is not limited to the positioning holes, and some parts can have their length adjusted using locking grooves, gas springs, electric push rods, etc.

[0013] Preferably, the desktop holder includes a desktop framework and a rotating table, the desktop framework is fixedly connected to the rotating surface of the rotating table, and the chassis of the rotating table is connected to the desktop adjustable holder through an angle adjuster, so that the desktop can be adjusted to a required angle through the rotating table.

[0014] Preferably, the desktop skeleton includes a middle support skeleton and a side support skeleton, and the middle support skeleton and the side support skeleton are connected via telescopic rods, which enable the extension and contraction of the length between the middle support skeleton and the side support skeleton.

[0015] Preferably, the angle adjuster includes a bottom rod and an adjustment rod, the bottom rod is hingedly connected to the adjustment rod, a gear is provided outside the hinge connection point of the adjustment rod, and a regulating gear for locking the angle limiting adjustment piece is provided correspondingly on the bottom rod, and by adjusting the position of the regulating gear for locking the angle limiting adjustment piece, multi-angle manual adjustment between the connection parts can be realized.

[0016] The angle adjuster employs an adjustment structure that combines an electric push rod and a movable member, and is equipped with a remote control to electrically control the angle adjustment. The controller can be wired, wireless, AI voice, or mobile phone controlled.

[0017] The angle adjuster may be replaced with a gas spring or other function adjuster for angle adjustment. Manual adjustment or electric adjustment is possible, and in the case of electric adjustment control, the controller can be wired control, wireless control, AI voice control, or mobile phone control.

[0018] Preferably, the desktop framework and the turntable are fixedly connected by bolts. [Effects of the Invention]

[0019] The beneficial effects of the present invention are as follows: When used on a stool, chair, sofa, or sofa bed, the device can be used as a swivel backrest, handrail, desktop, or footrest. When used on a desktop, the swivel adjustment device can be used in office, study, or gaming situations, and is commonly used on office, study, or gaming chairs. When used as a handrail or for tea time, the swivel adjustment device can be used as a chair or sofa handrail and a place to hold cups or other items. When used as a footrest, the swivel adjustment device can be used as a chair or sofa footrest, or as a chaise lounge or leisure chair, making it multifunctional. The swivel adjustment device can also rotate 360 ​​degrees or to any angle or position less than 360 degrees, which is advantageous in saving space, adapting to different user habits, and meeting various usage needs. It can also be freely attached and detached according to usage and transportation needs, making it easy to attach and detach. [Brief explanation of the drawings]

[0020] [Figure 1] 1 is a structural schematic diagram of the present invention; [Figure 2] 2 is a structural diagram of the base, central rotating disk, and top mounting disk of the present invention; [Figure 3] 1 is a structural schematic diagram of a first embodiment of the present invention applied to a chair or sofa. [Figure 4] FIG. 1 is a diagram showing the state of use of the present invention in a chair or sofa according to a first embodiment; [Figure 5]FIG. 4 is a schematic diagram of the internal structure of the product in FIG. 3. [Figure 6] FIG. 6 is a structural schematic diagram of the product in FIG. 5 in another use state. [Figure 7] FIG. 1 is a diagram showing the state of use of the present invention in a sofa bed according to the first embodiment; [Figure 8] FIG. 6 is a structural schematic diagram of the desktop adjustment holder in FIG. 5; [Figure 9] 1 is a schematic diagram of the internal structure of a chair or sofa according to a second embodiment of the present invention; [Figure 10] 1 is a structural diagram of the angle adjuster of the present invention; [Figure 11] 1 is a structural diagram of an angle adjuster according to the present invention, which employs an electric push rod and a movable member. [Figure 12] 1 is a structural diagram of the present invention applied to a square base; [Figure 13] 1 is a structural diagram of the present invention applied to a rocking base; DETAILED DESCRIPTION OF THE INVENTION

[0021] The technical solution of the present invention will be further described in detail below with reference to specific examples and accompanying drawings.

[0022] 1 and 2, a multi-function rotary adjuster includes a chassis, a connecting shaft 2 connected to the chassis, a top mounting plate 3 attached to the top of the connecting shaft for fixedly connecting to the bottom of a stool, chair, sofa, or sofa bed cushion, a central rotating plate 4 rotatably connected to the connecting shaft, a rotating holder 5 fixedly connected to the central rotating plate, an end of the rotating holder connected to a desktop adjusting holder 6 via an angle adjuster 8, and an end of the desktop adjusting holder connected to a desktop holder 7 via an angle adjuster, the top mounting plate rotatably connected to the top of the connecting shaft, and a chassis rotatably connected to the bottom of the connecting shaft. The rotating holder 5 and the rotating plate are detachable, making them easy to store and transport.

[0023] As shown in Figure 10, the angle adjuster includes a bottom rod 19 and an adjustment rod 20. The bottom rod is hingedly connected to the adjustment rod. A gear 21 is provided outside the hinge connection point of the adjustment rod, and a corresponding regulation gear for locking the angle-limiting adjustment piece is provided on the bottom rod. By adjusting the position of the regulation gear for locking the angle-limiting adjustment piece, multi-angle adjustment between the connection parts can be achieved. The angle adjuster can also be replaced with a gas spring, an electric adjustment rod, or an adjuster with other functions for angle adjustment.

[0024] As shown in Figures 3-6, when this invention is applied to a chair or sofa, the top mounting plate is fixed to the bottom of the seat, chair, or sofa cushion with bolts. A base 1 is attached to the bottom of the chassis. The structure of this invention can be used as a swivel backrest, handrail, desk, footrest, and backrest, providing multi-functionality, space-saving advantages, adapting to different user habits, and meeting various usage needs. The angle adjuster allows for multiple angle adjustment between the chair or sofa cushion 9 and backrest 10.

[0025] As shown in Figure 7, when this invention is applied to a sofa or sofa bed, the top mounting plates of the two multi-function rotating adjusters are fixedly attached to the bottom of the sofa or sofa bed cushion with bolts, which can be used as a swivel backrest, handrail, desk, and footrest. The two multi-function rotating adjusters can be used independently, providing multi-functionality, saving space, adapting to different user habits, and meeting various usage needs.

[0026] Furthermore, the two multi-function rotation adjustment devices can be attached to the bottom of a sofa, stool, or sofa bed cushion via a slide rail, allowing for 360-degree rotation and further position adjustment along the slide rail. This is suitable for long sofas, stools, or sofa beds.

[0027] As shown in FIG. 8, the desktop adjustable holder includes a sleeve rod 11 and a core rod 12, a spring pin 14 is fixedly attached to one side of the core rod, and a plurality of positioning holes 13, into which the spring pins are fitted, are uniformly drilled along a straight line on the corresponding side of the sleeve rod. The length of the entire desktop adjustable holder is adjusted by fitting the spring pins into the positioning holes.

[0028] The rotary holder includes a sleeve rod and a core rod, and a spring pin is fixedly attached to one side of the core rod. A plurality of positioning holes into which the spring pins are fitted are uniformly formed along a straight line on the corresponding side of the sleeve rod. The length of the entire rotary holder is adjusted by fitting the spring pins or bolts into the positioning holes.

[0029] As shown in FIG. 12, the present invention is used with a square base.

[0030] As shown in Figure 13, this invention is used in a rocking base, which includes a lower chassis 23, a rotating shaft 24, a support arm 25, and a chair frame connecting seat 26. The support arm and the chair frame connecting seat are hingedly connected via a hinge connecting shaft 27, which is fitted with a torsion spring that provides rocking elasticity between the support arm and the chair frame. The rotating shaft is rotatably connected between the chassis and the support arm, and the chair frame connecting seat is fixedly connected to the chassis of a multi-function rotation adjusting device. In this way, the actual application product can also have a rocking chair function.

[0031] Example 2: As shown in Figure 9, the desktop holder includes a desktop skeleton and a turntable 17, the desktop skeleton is fixedly connected to the rotating surface of the turntable, and the chassis of the turntable is connected to the desktop adjustable holder via an angle adjuster.

[0032] The desktop skeleton includes a middle skeleton 15 and two side skeletons 16, which are connected via telescopic rods 18, which realize the length extension between the middle skeleton and the two side skeletons. The rest is the same as in Example 1.

[0033] Example 3: As shown in Figure 11, the angle adjuster employs an adjustment structure that combines an electric push rod 22 and a movable member for electrically controlling the angle adjustment. When electrically controlling the adjustment, the controller can be wired, wireless, AI voice, or mobile phone controlled. The rest is the same as Example 1.

[0034] The above-described embodiments are merely preferred embodiments of the present invention, and do not impose any formal limitations on the present invention. Other modifications and variations are possible as long as they do not exceed the embodiments described in the claims. [Explanation of symbols]

[0035] 1. Bass 2. Connecting shaft 3. Top mounting plate 4. Central turntable 5. Rotating holder 6. Desktop adjustable holder 7. Desktop holder 8, angle adjuster 9. Cushion 10. Backrest 11. Sleeve rod 12. Core rod 13. Positioning hole 14. Spring pin 15. Intermediate supporting skeleton 16. Bilateral supporting skeleton 17. Turntable 18. Telescopic rod 19. Bottom rod 20. Adjustment rod 21. Gears 22. Electric push rod 23. Lower chassis 24. Rotation axis 25. Support arm 26. Chair frame connection seat 27. Hinge connecting shaft

Claims

1. A multi-function rotation adjustment device, an upper connecting member, a lower connecting member, and an intermediate rotor; The multi-function rotation adjusting device is characterized in that the upper connecting member is used to be fixedly connected to the bottom of a cushion of a stool, chair, sofa or sofa bed, a support holder is fixedly attached to the intermediate rotor, and the support holder rotates and adjusts the angular position of the support via the intermediate rotor.

2. The lower connecting member adopts a chassis; The upper connecting member is a top mounting plate; The multi-function rotation adjusting device of claim 1, wherein a connecting shaft is connected to the chassis, the top mounting plate is used to be fixedly connected to the bottom of the cushion of a stool, chair, sofa or sofa bed, the connecting shaft is rotatably connected to a central rotating plate, and the central rotating plate is fixedly connected to a support holder.

3. The support holder includes a rotating holder, a desktop adjustable holder and a desktop holder; 3. The multi-function rotary adjustment device of claim 2, wherein the rotary holder is fixedly connected to the central rotary disk, and the desktop adjustment holder is connected to an end of the rotary holder via an angle adjuster, and the desktop adjustment holder is connected to an end of the desktop adjustment holder via an angle adjuster.

4. The multi-function rotation adjusting device of claim 2, wherein the top mounting plate is rotatably connected to the top of the connecting shaft, and a base is attached to the bottom of the chassis, and the chassis is rotatably connected to the connecting shaft.

5. The desktop adjustable holder includes a sleeve rod and a core rod; A spring pin is fixedly attached to one side of the core rod, and a plurality of positioning holes fitted with the spring pins are uniformly formed along a straight line on the corresponding side of the sleeve rod; 4. The multi-function rotation adjusting device of claim 3, wherein the length of the entire desktop adjusting holder is adjusted by fitting a spring pin or a bolt into the positioning hole.

6. the rotating holder includes a sleeve rod and a core rod; A spring pin is fixedly attached to one side of the core rod, and a plurality of positioning holes fitted with the spring pins are uniformly formed along a straight line on the corresponding side of the sleeve rod; 4. The multi-function rotation adjusting device according to claim 3, wherein the length of the entire rotation holder is adjusted by fitting a spring pin or a bolt into the positioning hole.

7. The multi-function rotation adjustment device of claim 3, wherein the desktop holder comprises a desktop skeleton and a turntable, the desktop skeleton is fixedly connected to the rotation surface of the turntable, and the chassis of the turntable is connected to the desktop adjustment holder via an angle adjuster.

8. The multi-function rotation adjusting device of claim 7, wherein the desktop skeleton includes a middle support skeleton and two side support skeletons, the middle support skeleton and the two side support skeletons are connected by telescopic rods, and the telescopic rods realize the length extension and contraction between the middle support skeleton and the two side support skeletons.

9. The angle adjuster includes a bottom rod and an adjustment rod; The multi-function rotation adjusting device according to claim 3 or 7, characterized in that the bottom rod is hingedly connected to the adjusting rod, a gear is provided outside the hinge connection point of the adjusting rod, a regulating gear for locking the angle-limiting adjusting piece is provided correspondingly on the bottom rod, and by adjusting the position of the regulating gear for locking the angle-limiting adjusting piece, multi-angle manual adjustment between the connecting parts can be realized.

10. The angle adjuster adopts an adjustment structure that combines an electric push rod and a movable member; By providing a remote control, angle adjustment can be electrically controlled. The multi-function rotation adjusting device according to claim 3 or 7, wherein the controller is capable of wired control, wireless control, AI voice control, or mobile phone control.

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