Integrated backrest rotating chair

Abstract

The utility model relates to the technical field of folding chairs, in particular to an integrated backrest rotating chair. The integrated backrest rotating chair comprises two groups of mutually symmetrical supporting assemblies, a first connecting assembly, a second connecting assembly and a backrest assembly, the first connecting assembly and the second connecting assembly are arranged between the two groups of supporting assemblies, the backrest assembly is arranged on any group of supporting assemblies, and each supporting assembly comprises a first supporting leg and a second supporting leg; the first supporting leg is provided with a first connecting piece, a fixing base rotationally connected with the backrest assembly and a fixing piece connected with the second connecting assembly, the first connecting piece is connected with a second supporting leg, the second supporting leg is provided with a second connecting piece, and the second connecting piece is provided with a supporting transverse rod and a telescopic piece connected with the fixing base. The supporting cross rod is connected with the first supporting leg, so that when the backrest rotating chair is unfolded, the lower end face of the fixing piece abuts against the upper end face of the fixing seat, the stability and the folding height of the whole structure are guaranteed, and folding is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of folding chairs, in particular to an integrated backrest rotating chair. Background Art

[0002] In modern life, chairs are essential daily furniture for people to sit and rest, avoiding fatigue caused by lying or standing for a long time, and reducing energy consumption from standing for a long time. Therefore, they are widely used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, homes and other places for users to use. Chairs have a variety of structural designs, among which folding chairs are a special type of chair that is not only easy to carry but also foldable when not in use.

[0003] However, the existing folding chairs have poor stability and are inconvenient to fold. In order to make sitting more comfortable, a backrest rod is added to the folding chair. Most of the backrest rods are fixed structures and cannot be rotated, which makes the comfort insufficient.

[0004] In view of this, the inventor specially designed an integrated backrest swivel chair. Utility Model Content

[0005] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an integrated swivel chair with backrest.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: an integrated backrest rotating chair, comprising two groups of mutually symmetrical support components, a first connecting component and a second connecting component arranged between the two groups of support components, and a backrest component arranged on any one group of support components, the support component comprising a first supporting leg, the first supporting leg is provided with a first connecting member, a fixed seat rotatably connected to the backrest component, and a fixing member connected to the second connecting member, the first connecting member is connected to the second supporting leg, the second supporting leg is provided with a second connecting member, the second connecting member is provided with a supporting cross bar, and a telescopic member connected to the fixed seat, and the supporting cross bar is connected to the first supporting leg.

[0007] Furthermore, the backrest assembly includes a backrest rod, which is rotatably connected to the fixing seat, and the fixing seat is provided with a limiting groove that is compatible with the backrest rod.

[0008] Furthermore, the telescopic member includes a sleeve connected to the second connecting member, a telescopic rod is movably sleeved in the sleeve, and the other end of the telescopic rod is connected to the fixing seat.

[0009] Furthermore, the support assembly also includes a handrail rod and a handrail support column, one end of the handrail rod is rotatably connected to the telescopic member; the lower end of the handrail support column is rotatably connected to the first support leg, is rotatably connected to the support cross bar near the middle position, and has an upper end rotatably connected to the handrail rod.

[0010] Furthermore, the first supporting leg is also provided with a third connecting member and a fourth connecting member connected to the third connecting member, wherein the fourth connecting member is connected to the first connecting component; and the third connecting member is connected to the handrail supporting column.

[0011] Furthermore, the third connecting member is provided with an inner groove, and the fourth connecting member is provided with a protrusion matching the inner groove.

[0012] Furthermore, the first connecting assembly includes two first connecting rods hinged to each other in the middle, the upper ends of the first connecting rods are rotatably connected to the handrail support column through a converter, and the lower ends are rotatably connected to the first support leg through a converter.

[0013] Furthermore, the adapter is L-shaped.

[0014] Furthermore, foot pads are rotatably connected below the first supporting leg and the second supporting leg.

[0015] Furthermore, the second connecting assembly includes two second connecting rods hinged to each other in the middle, the upper ends of the second connecting rods are rotatably connected to the fixing member through an adapter, and the lower ends are connected to the foot pad through an adapter.

[0016] From the above description of the utility model, it can be seen that the utility model has the following beneficial effects:

[0017] 1. The present application comprises a first connecting member, a fixed seat rotatably connected to the backrest assembly, and a fixing member connected to the second connecting member on the first supporting leg; the first connecting member is connected to the second supporting leg; the second supporting leg is provided with a second connecting member; the second connecting member is provided with a supporting cross bar and a telescopic member connected to the fixed seat; the supporting cross bar is connected to the first supporting leg, so that when the swivel chair with backrest is opened, the lower end surface of the fixing member abuts against the upper end surface of the fixed seat, which not only ensures the stability of the overall structure but also facilitates folding; at the same time, the setting of the telescopic member can reduce the height of the swivel chair with backrest after folding, thereby facilitating carrying and reducing the space occupied.

[0018] 2. In the present application, the fixed seat of the first supporting leg is rotatably connected to the backrest assembly, so that the user can sit more comfortably. Therefore, the backrest rotating chair of the utility model is easy to fold and carry while ensuring comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the structure of the integrated backrest rotating chair in the preferred embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a half-folded integrated backrest rotating chair in a preferred embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the folded integrated backrest rotating chair in the preferred embodiment of the utility model.

[0022] Reference numerals: 10, support assembly; 20, first connection assembly; 30, second connection assembly; 40, backrest assembly;

[0023] 1. First supporting leg; 2. First connecting member; 3. Fixed seat; 4. Fixed member; 5. Second supporting leg; 6. Second connecting member; 7. Support cross bar; 8. Telescopic member; 801. Sleeve; 802. Telescopic rod; 9. Handrail rod; 11. Handrail support column; 12. Third connecting member; 13. Fourth connecting member; 14. First connecting rod; 15. Adapter; 16. Foot pad; 17. Second connecting rod. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Reference Figure 1-3As shown, a preferred embodiment of the utility model is an integrated backrest rotating chair, comprising two groups of mutually symmetrical support components 10, a first connecting component 20 and a second connecting component 30 arranged between the two groups of support components 10, and a backrest component 40 arranged on any one group of support components, the support component 10 comprises a first supporting leg 1, the first supporting leg 1 is provided with a first connecting member 2, a fixing seat 3 rotatably connected to the backrest component 40, and a fixing member 4 connected to the second connecting component 30, the first connecting member 2 is connected to a second supporting leg 5, the second supporting leg 5 is provided with a second connecting member 6, the second connecting member 6 is provided with a supporting cross bar 7, and a telescopic member 8 connected to the fixing seat 3, the supporting cross bar 7 is connected to the first supporting leg 1, so that when the backrest rotating chair is opened, the lower end surface of the fixing member 4 abuts against the upper end surface of the fixing seat 3, which not only ensures the stability of the overall structure but also facilitates folding.

[0027] As a preferred embodiment of the utility model, it may also have the following additional technical features: the backrest assembly 40 includes a backrest rod, the backrest rod is rotatably connected to the fixing seat 3, and a limit groove adapted to the backrest rod is provided on the fixing seat 3. Thus, the backrest rod can be rotated arbitrarily to meet the user's sitting comfort.

[0028] In this embodiment, the telescopic member 8 includes a sleeve 801 connected to the second connecting member, a telescopic rod 802 is movably sleeved in the sleeve 801, and the other end of the telescopic rod 802 is connected to the fixed seat 3. Thus, the height of the folded backrest swivel chair can be reduced, so as to facilitate carrying and reduce space occupation.

[0029] In this embodiment, the support assembly further includes a handrail rod 9 and a handrail support column 11, one end of the handrail rod 9 is rotatably connected to the sleeve 801 of the telescopic member 8; the lower end of the handrail support column 11 is rotatably connected to the first support leg 1, the middle position is rotatably connected to the support cross bar 7, and the upper end is rotatably connected to the handrail rod 9. In this way, the stability of the handrail rod 9 can be ensured and the stability of the support cross bar 7 can be improved.

[0030] In this embodiment, the first support leg 1 is further provided with a third connection member 12 and a fourth connection member 13 connected to the third connection member 12, the fourth connection member 13 is connected to the first connection assembly 20; the third connection member 12 is connected to the handrail support column 11; and the third connection member 12 is provided with an inner groove, and the fourth connection member 13 is provided with a convex block matching the inner groove. Thus, the handrail bar and the support leg are more stable, and shaking of the handrail bar and the support leg can be avoided.

[0031] In this embodiment, the first connecting assembly 20 includes two first connecting rods 14 whose middle parts are hinged to each other, the upper end of the first connecting rod 14 is rotatably connected to the armrest support column 11 through the adapter 15, and the lower end is rotatably connected to the first support leg 1 through the adapter 15; and the second connecting assembly 30 includes two second connecting rods 17 whose middle parts are hinged to each other, the upper end of the second connecting rod 17 is rotatably connected to the fixing member 4 through the adapter 15, and the lower end is connected to the foot pad 16 through the adapter 15. In this way, the backrest swivel chair can be folded and stored conveniently, and the backrest swivel chair has good stability when opened.

[0032] In this embodiment, the adapter 15 is L-shaped, so that the backrest of the swivel chair can be folded and stored.

[0033] In this embodiment, the first support leg 1 and the second support leg 5 are both rotatably connected with a foot pad 16. This facilitates improving the stability of the backrest swivel chair.

[0034] The working principle of the utility model is as follows: a first connecting member 2, a fixing seat 3 rotatably connected to the backrest assembly 40, and a fixing member 4 connected to the second connecting assembly 30 are arranged on the first supporting leg 1; the second supporting leg 5 is connected to the first connecting member 2; a second connecting member 6 is arranged on the second supporting leg 5; a supporting cross bar 7 and a telescopic member 8 connected to the fixing seat 3 are arranged on the second connecting member 6; the supporting cross bar 7 is connected to the first supporting leg 1, so that when the rotating chair with backrest is opened, the lower end surface of the fixing member 4 abuts against the upper end surface of the fixing seat 3, which not only ensures the stability and folding height of the overall structure, but also facilitates folding.

[0035] Under the premise that no conflict occurs, those skilled in the art may freely combine and superimpose the above-mentioned additional technical features.

[0036] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. An integrated backrest swivel chair, characterized in that: The invention comprises two groups of mutually symmetrical support components, a first connecting component and a second connecting component arranged between the two groups of support components, and a backrest component arranged on any one group of support components, wherein the support component comprises a first supporting leg, the first supporting leg is provided with a first connecting member, a fixing seat rotatably connected to the backrest component, and a fixing member connected to the second connecting member, the first connecting member is connected to the second supporting leg, the second supporting leg is provided with a second connecting member, the second connecting member is provided with a supporting cross bar, and a telescopic member connected to the fixing seat, and the supporting cross bar is connected to the first supporting leg.

2. The one-piece swivel backrest chair according to claim 1, characterized in that: The backrest assembly comprises a backrest rod, which is rotatably connected to the fixing seat; and the fixing seat is provided with a limiting groove matched with the backrest rod.

3. The one-piece swivel backrest chair according to claim 1, characterized in that: The telescopic member comprises a sleeve connected to the second connecting member, a telescopic rod is movably sleeved in the sleeve, and the other end of the telescopic rod is connected to the fixing seat.

4. The one-piece swivel backrest chair according to claim 1, characterized in that: The support assembly also includes a handrail rod and a handrail support column, one end of the handrail rod is rotatably connected to the telescopic member; the lower end of the handrail support column is rotatably connected to the first support leg, the lower end is rotatably connected to the support cross bar near the middle position, and the upper end is rotatably connected to the handrail rod.

5. The one-piece swivel backrest chair according to claim 4, characterized in that: The first supporting leg is also provided with a third connecting member and a fourth connecting member connected to the third connecting member, wherein the fourth connecting member is connected to the first connecting component; and the third connecting member is connected to the handrail supporting column.

6. The one-piece swivel backrest chair according to claim 5, characterized in that: The third connecting member is provided with an inner groove, and the fourth connecting member is provided with a protrusion matching the inner groove.

7. The one-piece swivel backrest chair according to claim 5, characterized in that: The first connecting assembly includes two first connecting rods hinged to each other in the middle, the upper end of the first connecting rod is rotatably connected to the handrail support column through a conversion member, and the lower end is rotatably connected to the first support leg through a conversion member.

8. The one-piece swivel backrest chair according to claim 7, characterized in that: The adapter is L-shaped.

9. The one-piece swivel backrest chair according to claim 1, characterized in that: The first supporting leg and the second supporting leg are both rotatably connected with foot pads at the bottom.

10. The integrated backrest swivel chair according to claim 9, characterized in that: The second connecting assembly includes two second connecting rods hinged to each other at the middle part, the upper end of the second connecting rod is rotatably connected to the fixing member through a conversion member, and the lower end of the second connecting rod is connected to the foot pad through a conversion member.

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