CN219720180U - 360 rotatory folding chair of degree - Google Patents

Abstract

The utility model discloses a 360-degree rotary folding chair, which has the technical scheme that: including chassis, chair frame and carousel, the chassis includes the underframe, and folding foot rest is installed to the downside of underframe, and the upside of underframe is fixed with support frame one, the chair frame includes seat support and back of the chair, the back of the chair downside pin joint is in the seat support, forms collapsible structure, the downside of seat support is fixed with support frame two, support frame two rotates the upside of connecting in support frame one through the carousel. According to the utility model, the rotating connection is realized through the turntable, 360-degree rotation adjustment can be realized, a user can relatively right, left and rear front view angles through self rotation force, the angle and the periphery of the chair do not need to be adjusted by moving, and the convenience and the comfort are better.

Description

360 rotatory folding chair of degree

Technical Field

The utility model relates to the technical field of chairs, in particular to a 360-degree rotary folding chair.

Background

The folding chair is a common chair at present, is usually used in the outdoor leisure or is used in an environment needing to be stored and carried, and after being folded, the whole size of the chair can be reduced, so that the convenience of the chair can be greatly improved. The structure of the existing folding chair has various structures, and a rotatable swinging state is formed through a plurality of connecting rod structures, and the swinging position angle is limited through a stop block, so that an opened stable supporting structure is formed.

Because of the limitation of the folding structure, the foot rest of the folding chair is connected with the chair back through the structure of the connecting rod, and under the use condition, the foot rest is always in a relatively fixed structure and is mutually supported and fixed with the ground, so that the angle orientation of the horizontal direction of the folding chair cannot be adjusted. If the angle of the folding chair in the horizontal direction is required to be adjusted, the folding chair is usually only moved or dragged, which is inconvenient.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The utility model aims to solve the problems and provide the 360-degree rotary folding chair, which can carry out circumferential rotary adjustment on the angle of the folding chair during use and is convenient for steering adjustment.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a 360 rotatory folding chair of degree, includes chassis, chair frame and carousel, the chassis includes the underframe, and folding foot rest is installed to the downside of underframe, and the upside of underframe is fixed with support frame one, the chair frame includes seat support and back of the chair, the back of the chair downside pin joint is in the seat support, forms collapsible structure, the downside of seat support is fixed with support frame two, support frame two is rotated through the carousel and is connected in the upside of support frame one.

The utility model is further characterized in that the foot rest is provided with two groups, each group of foot rest is of a U-shaped structure, two ends of the foot rest are respectively connected with the bottom frame through the first connector, one end of the first connector is fixed with the foot rest, and the other end of the first connector is rotatably connected with the bottom frame, so that the foot rest can be folded and unfolded.

The utility model is further characterized in that the cross bars are arranged in the middle of each group of foot rest, the cross bars of the two groups of foot rest are parallel to each other, and the two groups of foot rest are connected with limit cloth.

The utility model is further arranged that armrests are arranged on two sides of the chair frame, one end of each armrest is hinged to the outer side of the chair back, and the other end of each armrest is supported through the upright rod.

The utility model is further arranged that a second connector is arranged on the lower side of the handrail, a waist-shaped hole is formed in the second connector, the waist-shaped hole is arranged along the length direction of the handrail, and a plurality of notches are formed in the upper side of the waist-shaped hole; the upper end of the vertical rod is provided with an adjusting shaft, and the adjusting shaft penetrates through the waist-shaped hole, can be slidably adjusted along the waist-shaped hole and can be embedded into a corresponding notch to realize positioning.

The utility model is further arranged that the lower end of the vertical rod is pivoted on the outer side of the chair seat, an inclined rod is arranged between the vertical rod and the chair seat, the lower end of the inclined rod is connected with the chair seat through a joint III, and the upper end of the inclined rod is pivoted with the upper end of the vertical rod through an adjusting shaft.

The utility model is further arranged that one side of the joint III is pivoted with the chair seat, the other side of the joint III is pivoted with the diagonal rod, the outer side of the joint III is fixedly connected with a baffle plate, and the baffle plate is used for propping against the upper side of the diagonal rod.

The utility model further provides that the seat comprises a seat frame, the backrest comprises a backrest frame, the seat frame and the backrest frame are both U-shaped structures, seat cloth is arranged on the inner side of the seat frame, and backrest cloth is arranged on the inner side of the backrest frame.

The utility model is further arranged that the turntable comprises an upper disc and a lower disc which are arranged in a vertically stacked way and are connected in a mutually rotating way; the lower disc is fixed on the upper side of the first support frame, and the upper disc is fixed on the lower side of the second support frame; opposite annular concave first grooves are respectively formed in opposite sides of the upper disc and the lower disc, and a plurality of supporting balls are arranged between the annular concave first grooves to form a rotary support.

The utility model is further provided with a central hole in the middle of the upper disc and the lower disc, a limiting shaft is arranged at the central hole, and two ends of the limiting shaft penetrate through the upper disc and the lower disc and are provided with limiting blocks; the upper disc and the lower disc are sleeved with annular gaskets corresponding to the outer circumferences of the annular concave parts.

In summary, the utility model has the following beneficial effects:

can realize rotary support between the chassis and the chair frame of chair through the carousel for the 360 degrees rotations on the horizontal direction can be realized on the chassis to the chair frame, and the user can all be openly relative to left side, right side and rear all directions through self rotation force, need not carry the chair through moving and carry out the angle, and convenience is better.

Through adopting folding structure, can fold respectively the upper and lower both sides position of carousel, and then reduce the whole size of chair, be convenient for accomodate and transport the chair after folding.

Drawings

FIG. 1 is a perspective view of a 360 degree swivel folding chair of the present utility model;

FIG. 2 is a schematic view of a frame structure of a 360 degree swivel folding chair according to the present utility model;

FIG. 3 is a schematic diagram of a frame structure of a 360 degree swivel folding chair according to the present utility model;

FIG. 4 is a perspective view of a turntable of the present utility model;

FIG. 5 is a cross-sectional view of a turntable of the present utility model;

fig. 6 is a schematic view of the structure of the center joint of the turntable of the present utility model.

Reference numerals: 1. a chassis; 11. a bottom frame; 12. a first supporting frame; 13. a foot rest; 131. a cross bar; 14. a first joint; 141. a connecting sheet; 142. a connecting groove; 2. a chair frame; 21. a second supporting frame; 22. a seat frame; 23. a chair back frame; 24. an armrest; 25. a vertical rod; 26. a diagonal rod; 27. a second joint; 271. a notch; 272. a waist-shaped hole; 273. an adjusting shaft; 28. a third joint; 281. a baffle; 3. a turntable; 31. a lower disc; 32. an upper disc; 33. a central bore; 34. annular recess I; 35. a support ball; 36. an annular protrusion; 37. an annular gasket; 38. annular concave second; 39. a limiting shaft; 310. a limiting block; 41. a chair back cloth; 42. seat cloth; 43. and (5) limiting cloth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment discloses a 360-degree rotary folding chair, which comprises a bottom frame 1, a chair frame 2 and a turntable 3 as shown in figures 1-3. Wherein, the underframe 1 is positioned at the lowest position and plays a role in supporting the whole chair; the chair frame 2 is the main body of the chair and plays a role in supporting the human body; the turntable 3 is arranged between the underframe 1 and the chair frame 2, so that the chair frame 2 can rotate 360 degrees in the horizontal direction on the underframe 1, a user can face the left, right and rear directions by the self-rotation force, the angle is not required to be carried out by moving the chair, and the convenience is better.

The underframe 1 comprises a underframe 11, the underframe 11 adopts a frame structure similar to a rectangle, a foot rest 13 is arranged on the lower side of the underframe 11, and the foot rest 13 supports the underframe 11 to a certain height. The foot rest 13 adopts a foldable structure, and is convenient for accommodating and adjusting the height of the underframe 1 in a rotary folding mode.

Specifically, the foot stand 13 has two sets, which are respectively installed at both side positions of the bottom frame 11. Each group of foot rest 13 is of a U-shaped structure, and two ends of the foot rest 13 are upwards arranged and are respectively connected with the bottom frame 11 through a first joint 14. One end of the first connector 14 is fixed with the end part of the foot rest 13, and the other end of the first connector is rotatably connected with the bottom frame 11, so that the foot rest 13 can be folded and opened. Two connecting pieces 141 are fixed at one end of the first joint 14 facing the bottom frame 11, connecting grooves 142 are formed between the connecting pieces 141, and one side of the bottom frame 11 is embedded between the connecting pieces 141 to form mutual rotation connection movement. When the foot rest 13 swings to a certain extent toward the outside, one side of the bottom frame 11 will collide with the first joint 14, and the two foot rests 13 form an splayed structure, forming a stable supporting structure. When the folding device is stored, the foot rest 13 swings towards the opposite side direction, and the foot rest 13 can be folded.

The middle position of each group of foot rest 13 is provided with a cross rod 131, the cross rods 131 of the two groups of foot rest 13 are mutually parallel, a larger supporting area is formed at the bottom, and the supporting strength of the foot rest 13 is improved. In addition, a limit cloth 43 is further connected between the two cross bars 131, and the limit cloth 43 can play a limiting role in opening the two foot frames 13 to the maximum extent, thereby playing an auxiliary supporting role.

The chair frame 2 comprises a chair seat and a chair back, wherein the lower side of the chair back is pivoted to the chair seat, and the chair back can be rotatably adjusted relative to the chair seat to form a foldable structure.

The chair seat comprises a chair seat frame 22, the chair back comprises a chair back frame 23, the inner side of the chair seat frame 22 is provided with chair seat cloth 42, the inner side of the chair back frame 23 is provided with chair back cloth 41, and the chair back frame is sleeved on the frame by adopting cloth or other braiding materials to form a supporting surface with relatively soft conveying, so that the chair back can be used by users. The seat frame 22 and the back frame 23 are of U-shaped structures, are formed by connecting three rods, and form arc-shaped transition at the connecting part to form a structure similar to a U shape.

Armrests 24 are arranged on both sides of the chair frame 2, one end of each armrest 24 is hinged to the outer side of the chair back frame 23, the other end of each armrest 24 is supported by a vertical rod 25, the armrests 24 are supported, and the armrests 24 are in a basically horizontal state.

The lower end of the upright rod 25 is pivoted at the outer side of the seat frame 22, a parallelogram structure is formed among the upright rod 25, the seat frame 22, the seat frame 2 and the armrests 24, and relative rotation adjustment can be realized at the interconnection positions, so that a foldable structure is formed.

In order to lock the position of the upright 25, a diagonal rod 26 is further installed between the upright 25 and the seat frame 22, and the diagonal rod 26 is supported between the upright 25 and the seat frame 22 to form a triangular supporting structure, so that the opened seat frame 2 can be supported stably.

The lower end of the upright rod 25 is connected with the seat through a third joint 28, and the upper end of the inclined rod 26 is pivoted with the upper end of the upright rod 25 through an adjusting shaft 273. One side of the third joint 28 is pivoted with the chair seat, the other side is pivoted with the inclined rod 26, the outer side of the third joint 28 is fixedly connected with a blocking piece 281, and the blocking piece 281 can resist against the upper side of the inclined rod 26 to support and lock the unfolded position of the chair frame 2. The specific opening and closing structure of the seat frame 2 is known in the art and will not be described in further detail herein.

A second joint 27 is mounted on the lower side of the armrest 24, and a waist-shaped hole 272 is formed in the second joint 27, and the waist-shaped hole 272 is provided along the length direction of the armrest 24. A plurality of notches 271 are formed on the upper side of the waist-shaped hole 272, and a multi-gear adjusting structure is formed according to the positions of the notches 271. An adjusting shaft 273 is installed at the upper end of the upright rod 25, the adjusting shaft 273 penetrates through the waist-shaped hole 272, the size of the adjusting shaft 273 is matched with the width of the waist-shaped hole 272, and the adjusting shaft 273 can be slidably adjusted along the waist-shaped hole 272. And, after the adjustment is completed, the seat back can be embedded into the corresponding notch 271 to realize positioning, so that the adjustment of a plurality of inclination angles of the seat back is formed.

The underframe 1 and the chair frame 2 are rotatably supported by a turntable 3. As shown in fig. 4, the turntable 3 includes an upper disk 32 and a lower disk 31, and the upper disk 32 and the lower disk 31 are stacked up and down and are rotatably connected to each other. A first support frame 12 is fixed on the upper side of the bottom frame 11, and the first support frame 12 may adopt two first rods, and the first rods are connected and fixed with the lower disc 31 to form a support structure. The lower side of the chair seat is fixedly provided with a second support frame 21, the second support frame 21 can adopt two U-shaped rod pieces II, two ends of the upper side of the rod pieces II are fixedly connected with the chair frame 2, and the lower side of the rod pieces II is fixedly connected with the upper disc 32 to form a support structure. A rotary connecting structure supported by the rotary disk 3 is formed between the first support frame 12 and the second support frame 21.

As shown in fig. 5, opposite annular recesses 34 are formed on opposite sides of the upper disc 32 and the lower disc 31, respectively, and the annular recesses 34 on both sides correspond to each other, and are surrounded to form a structure with a cross section close to a circle. A plurality of supporting balls 35 are arranged between the annular recesses 34, and a rotating support is formed between the upper disc 32 and the lower disc 31 through the supporting balls 35, so that a bearing-like structure is formed, and the stable rotating action of the turntable 3 can be maintained.

A center hole 33 is provided at the axial center position of the upper disc 32 and the lower disc 31, and a stopper shaft 39 is mounted at the center hole 33. The two ends of the limiting shaft 39 penetrate through the upper disc 32 and the lower disc 31, and limiting blocks 310 are arranged at the two ends of the limiting shaft 39, and the size of each limiting block 310 is larger than that of the central hole 33, so that the limiting effect can be achieved.

An annular gasket 37 is sleeved on the outer periphery of the upper disc 32 and the lower disc 31 corresponding to the annular recess 34, annular grooves are formed on the upper side and the lower side of the annular gasket 37, annular protrusions 36 are formed on the opposite sides of the upper disc 32 and the lower disc 31, and the annular protrusions 36 can be embedded into the surface of the annular gasket 37, so that the limiting effect on the annular gasket 37 is achieved. The ring gasket 37 also has a certain auxiliary supporting function between the upper disc 32 and the lower disc 31, and maintains the upper disc 32 and the lower disc 31 in a substantially flat state, so that the condition of generating a deviation of a single side is avoided.

In addition, in order to maintain the strength of the upper disc 32 and the lower disc 31, the annular recess 38 may be formed in the middle position of the upper disc 32 and the lower disc 31, so that the surface of the disc forms a concave-convex and zigzag supporting structure, and the overall strength performance of the disc is improved.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. 360 rotatory folding chair of degree, a serial communication port, including chassis (1), chair frame (2) and carousel (3), chassis (1) are including underframe (11), and folding foot rest (13) are installed to the downside of underframe (11), and the upside of underframe (11) is fixed with support frame one (12), chair frame (2) include seat support and back of the chair, the pin joint of back of the chair downside is in the seat support, forms beta structure, the downside of seat support is fixed with support frame two (21), support frame two (21) rotate through carousel (3) and connect in the upside of support frame one (12).

2. The 360-degree rotary folding chair according to claim 1, wherein the foot rest (13) is provided with two groups, each group of foot rest (13) is of a U-shaped structure, two ends of the foot rest (13) are respectively connected with the bottom frame (11) through a joint I (14), one end of the joint I (14) is fixed with the foot rest (13), and the other end of the joint I is rotatably connected with the bottom frame (11), so that folding and unfolding of the foot rest (13) can be realized.

3. A 360 degree swivel folding chair as claimed in claim 2 wherein a cross bar (131) is provided in the middle of each group of foot rests (13), the cross bars (131) of the two groups of foot rests (13) being parallel to each other and being connected with a limit stop (43).

4. A 360-degree rotary folding chair according to claim 1, characterized in that the two sides of the chair frame (2) are provided with armrests (24), one end of each armrest (24) is hinged to the outer side of the chair back, and the other end of each armrest is supported by a vertical rod (25).

5. The 360-degree rotary folding chair according to claim 4, wherein a second joint (27) is installed on the lower side of the armrest (24), a waist-shaped hole (272) is formed in the second joint (27), the waist-shaped hole (272) is arranged along the length direction of the armrest (24), and a plurality of notches (271) are formed in the upper side of the waist-shaped hole (272); an adjusting shaft (273) is arranged at the upper end of the vertical rod (25), the adjusting shaft (273) penetrates through the waist-shaped hole (272), can be slidably adjusted along the waist-shaped hole (272), and can be embedded into a corresponding notch (271) to realize positioning.

6. The 360-degree rotary folding chair according to claim 4, wherein the lower end of the upright (25) is pivoted to the outer side of the chair seat, a diagonal rod (26) is arranged between the upright (25) and the chair seat, the lower end of the diagonal rod (26) is connected with the chair seat through a joint III (28), and the upper end of the diagonal rod (26) is pivoted to the upper end of the upright (25) through an adjusting shaft (273).

7. The 360-degree rotary folding chair according to claim 6, wherein one side of the third joint (28) is pivoted with the seat, the other side is pivoted with the diagonal rod (26), a blocking piece (281) is fixedly connected to the outer side of the third joint (28), and the blocking piece (281) is used for being pressed against and blocked on the upper side of the diagonal rod (26).

8. The 360-degree rotary folding chair according to claim 1, wherein the chair seat comprises a chair seat frame (22), the chair back comprises a chair back frame (23), both the chair seat frame (22) and the chair back frame (23) are of U-shaped structures, a chair seat cloth (42) is arranged on the inner side of the chair seat frame (22), and a chair back cloth (41) is arranged on the inner side of the chair back frame (23).

9. A 360 degree swivel folding chair as claimed in claim 1 wherein the turntable (3) comprises an upper disc (32) and a lower disc (31), the upper disc (32) and the lower disc (31) being arranged one above the other and being rotatably connected to each other; the lower disc (31) is fixed on the upper side of the first support frame (12), and the upper disc (32) is fixed on the lower side of the second support frame (21); opposite annular first recesses (34) are respectively formed in opposite sides of the upper disc (32) and the lower disc (31), and a plurality of supporting balls (35) are arranged between the annular first recesses (34) to form a rotary support.

10. The 360-degree rotary folding chair as claimed in claim 9, wherein a central hole (33) is formed between the upper disc (32) and the lower disc (31), a limiting shaft (39) is installed at the central hole (33), and two ends of the limiting shaft (39) penetrate through the upper disc (32) and the lower disc (31) and are provided with limiting blocks (310); the upper disc (32) and the lower disc (31) are sleeved with annular gaskets (37) corresponding to the annular first concave (34).