CN220571837U

CN220571837U - Detachable single chair

Info

Publication number: CN220571837U
Application number: CN202322319760.6U
Authority: CN
Inventors: 沃特贝克
Original assignee: Hobe Intellectual Property Management Co ltd
Current assignee: Hobe Intellectual Property Management Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-12
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses a detachable single chair, which comprises a seat body and a support tube assembly, wherein the seat body comprises a large ring body and a small ring body, a connecting rope is connected between the large ring body and the small ring body, and the support tube assembly comprises a longitudinal support piece and a transverse reinforcement piece; the longitudinal support piece comprises four foot pipes, the upper ends of the foot pipes are connected to four points of the large ring body so as to support the annular seat surface, and the large ring body is in an inclined shape with high rear end and low front end; the transverse reinforcement comprises two crossed reinforcement pipes which are transversely distributed to form a cross reinforcement area at the middle position of the two reinforcement pipes, and the outer ends of the reinforcement pipes extend to the outer side wall of the foot pipe and are fixedly connected with the foot pipe; not only the mutual supporting cooperative relationship is formed between the transverse supporting component and the vertical supporting component, but also the assembling relationship is simpler and is more beneficial to disassembly and assembly.

Description

Detachable single chair

Technical Field

The utility model relates to a round tube single chair, in particular to a detachable round tube single chair.

Background

The leisure chair has different forms and styles, and can meet the diversified use scenes in the daily life of the user. An egg chair is available in the market and comprises a large ring body and a small ring body, wherein ropes or fabrics are arranged between the ring bodies to form a seat surface; support components are supported under the large ring body and the small ring body so as to support the seat surface to a certain height.

The utility model patent with the bulletin number of CN205923489U discloses a detachable egg chair, which comprises a supporting frame, a supporting ring, a surface supporting ring and chair legs, wherein the bottom supporting ring and the surface supporting ring are connected by a plurality of connecting rods, the upper end parts of the chair legs are connected on the connecting rods, the bottom supporting ring and the surface supporting ring are connected through flexible materials to form a chair surface, the chair legs and the connecting rods are fixed through screw connection, and a spanner is needed for assembly.

The patent of the utility model with the bulletin number of CN213909338U discloses an egg chair convenient to detach, which comprises two supporting round rods, a supporting rope and a supporting vertical rod, wherein the supporting vertical rod comprises a detachable upper branch rod and a detachable lower branch rod, and the upper branch rod and the lower branch rod are fixedly connected through threads.

The utility model patent with the bulletin number of CN208425784U discloses an outdoor leisure chair capable of being disassembled and assembled, which comprises a chair frame, a front foot rest, a rear foot rest and a connecting rod, wherein the chair frame comprises an upper annular support and a lower annular support, a plurality of supporting rods which are uniformly distributed around the circumference of the lower annular support are arranged between the upper annular support and the lower annular support, and the upper end and the lower end of each supporting rod are fixedly connected with the upper annular support and the lower annular support respectively; the front foot rest and the rear foot rest are arranged in a front-back symmetrical mode and are identical in structure, the front foot rest comprises two supporting legs which are arranged in a left-right symmetrical mode, the supporting legs incline to the outer side of the chair frame from top to bottom, a horizontal connecting rod which is horizontally arranged is arranged between the two supporting legs, the front end and the rear end of the connecting rod are respectively connected with the horizontal connecting rods of the front foot rest and the rear foot rest through bolts, and the left end and the right end of the horizontal connecting rod are respectively fixedly connected with the two supporting legs.

The leisure chair in the prior art has the following technical problems: 1. the support leg assembly or the existing structure is too simple, so that the support strength and the support stability are insufficient; or has the requirements of complex structure, troublesome disassembly and assembly and inconvenient quick disassembly and assembly of users; 2. even though the support leg assembly with a complex structure is made of fabric and flexible materials, the transverse support performance is weak, and the support assembly lacks the transverse support to the seat surface except for the vertical support leg.

Disclosure of Invention

In view of the technical problems that the supporting leg assembly structure is too complicated, the supporting stability and the strength are still insufficient, and the supporting leg assembly is too troublesome to disassemble and assemble in the prior art, the utility model provides the round tube single chair which has a simple structure, more optimized supporting performance and is more convenient to disassemble and assemble.

The technical conception is that the seat body comprises two large and small ring bodies and a connecting rope connected between the large and small ring bodies; the support seat body comprises a transverse support assembly and a vertical support assembly, a cooperative relationship of mutual support is formed between the transverse support assembly and the vertical support assembly, and a mutual support relationship is also formed between the transverse support tube and the small ring body, so that the support stability and strength are improved; after the disassembly, the longitudinal supporting piece and the transverse supporting piece fall into the area surrounded by the large ring body and are not exposed, the storage and transportation volumes are smaller, the assembly relationship is simpler, and the disassembly and the assembly are more convenient.

The technical scheme adopted for solving the technical problems is as follows: a detachable single chair comprises a seat body and a supporting tube component,

the seat body comprises a large ring body and a small ring body, wherein the large ring body is in an inclined shape with a high rear end and a low front end, a plurality of divergent connecting ropes are connected between the large ring body and the small ring body, one end of each connecting rope is connected to the large ring body, and the other end of each connecting rope is connected to the small ring body;

the support tube assembly comprises four foot tubes and two reinforcing tubes;

the four foot tubes comprise two long foot tubes and two short foot tubes, the upper ends of the four foot tubes are fixedly connected with a first mounting plate, the first mounting plate is detachably connected to the large ring body through a first screw assembly, wherein the two long foot tubes are connected to the rear end of the large ring body, and the two short foot tubes are connected to the front end of the large ring body;

the two reinforced pipes are arranged in a crisscross structure, the four end parts of the two reinforced pipes are respectively and fixedly connected with a second mounting plate, and the second mounting plates are detachably connected to the middle parts of the four foot pipes through second screw assemblies;

the middle part of the two reinforced pipes is a flat section, the intersection of the flat sections of the two reinforced pipes is fixed by screw connection, and the two reinforced pipes are connected and fixed with the small ring body by a plurality of screws.

The further preferable technical scheme of the utility model is as follows: the large ring body, the small ring body, the four foot pipes and the two reinforced pipes are all metal round pipes;

the metal round tube is made of iron or aluminum.

The further preferable technical scheme of the utility model is as follows: the large ring body is elliptical, and the length of the disassembled foot tube and the length of the reinforced tube are smaller than the caliber of the large ring body, so that the foot tube and the reinforced tube can be placed inside the large ring body.

Another preferred subject matter: the detachable single chair comprises a seat body and a support tube assembly, wherein the seat body comprises a large ring body and a small ring body, the large ring body is in an inclined shape with a high rear end and a low front end, a plurality of divergent connecting ropes are connected between the large ring body and the small ring body, one end of each connecting rope is connected to the large ring body, and the other end of each connecting rope is connected to the small ring body;

the support tube assembly comprises four foot tubes and two reinforcing tubes;

the four foot tubes comprise two long foot tubes and two short foot tubes, the upper ends of the four foot tubes are detachably connected to the large ring body through a first screw assembly, wherein the two long foot tubes are connected to the rear end of the large ring body, and the two short foot tubes are connected to the front end of the large ring body;

the two reinforced pipes are arranged in a crisscross structure, and four end parts of the two reinforced pipes are detachably connected to the middle parts of the four foot pipes through second screw assemblies;

the intersection of the middle parts of the two reinforced pipes is fixed by screw connection, and the two reinforced pipes and the small ring body are connected and fixed by a plurality of screws.

The further preferable technical scheme of the utility model is as follows: the upper ends of the four foot pipes are fixedly connected with a first mounting plate, and the first mounting plate is detachably connected to the large ring body through a first screw assembly;

the four ends of the two reinforced pipes are respectively fixedly connected with a second mounting plate, and the second mounting plates are detachably connected to the middle positions of the four foot pipes through second screw assemblies.

The further preferable technical scheme of the utility model is as follows: the middle part of the two reinforced pipes is a flat section, and the intersection of the flat sections of the two reinforced pipes is fixed by screw connection.

the metal round tube is made of iron or aluminum.

Another preferred subject matter: the detachable single chair comprises a seat body and a supporting tube assembly, wherein the seat body comprises a large ring body and a small ring body, and a plurality of connecting ropes which are distributed in a divergent mode and are in gradual transition in length are connected between the large ring body and the small ring body so as to form an annular seat surface between the large ring body and the small ring body;

the support tube assembly includes a longitudinal support and a transverse reinforcement;

the longitudinal support piece comprises four foot tubes, the upper ends of the foot tubes are connected to four sites of the large ring body so as to support the annular seat surface, and the large ring body is inclined with high rear end and low front end;

the transverse reinforcement comprises two crossed reinforcement pipes which are transversely distributed to form a cross reinforcement area in the middle of the two reinforcement pipes, and the cross reinforcement area is supported below the small ring body and fixedly connected with the reinforcement pipes of the cross reinforcement area; the outer end of the reinforcement pipe extends to the outer side wall of the foot pipe and is fixedly connected with the foot pipe so as to form a transverse continuous reinforcement surface; the transverse continuous strengthening surface is horizontal or inclined, and the inclination direction and the inclination amplitude of the inclined transverse continuous strengthening surface are consistent with those of the small ring body.

The further preferable technical scheme of the utility model is as follows: the lengths of the foot tube and the reinforcement tube are smaller than the caliber of the large ring body; in a first state, the longitudinal support and the transverse reinforcement support the seat body;

in the second state, the lower leg and reinforcement tube are removed and placed within the large ring.

The further preferable technical scheme of the utility model is as follows: the four foot tubes comprise two long foot tubes and two short foot tubes, the upper ends of the four foot tubes are fixedly connected with a first mounting plate, the first mounting plate is detachably connected to the large ring body through a first screw assembly, wherein the two long foot tubes are connected to the rear end of the large ring body, and the two short foot tubes are connected to the front end of the large ring body;

the four end parts of the two reinforced pipes are respectively and fixedly connected with a second mounting plate, and the second mounting plates are detachably connected to the middle parts of the four foot pipes through second screw assemblies;

Another subject is: the detachable single chair comprises a seat body and a supporting tube assembly, wherein the seat body comprises a large ring body and a small ring body, and a plurality of connecting ropes which are distributed in a divergent mode and are in gradual transition in length are connected between the large ring body and the small ring body so as to form an annular seat surface between the large ring body and the small ring body;

the transverse reinforcement comprises two crossed reinforcement pipes which are transversely distributed, the middle parts of the two reinforcement pipes are flat sections, the crossed parts of the flat sections are fixedly connected through screws, and the two reinforcement pipes are fixedly connected with the small ring body through a plurality of screws;

the outer end of the reinforcement pipe extends to the outer side wall of the foot pipe and is fixedly connected with the foot pipe so as to form a transverse continuous reinforcement surface; the transverse continuous strengthening surface is horizontal or inclined, and the inclination direction and the inclination amplitude of the inclined transverse continuous strengthening surface are consistent with those of the small ring body;

the lengths of the foot tube and the reinforcement tube are smaller than the caliber of the large ring body;

in a first state, the longitudinal support and the transverse reinforcement support the seat body;

Compared with the prior art, the utility model has the advantages that: the support tube assembly comprises a transverse reinforcement and a longitudinal support, wherein the transverse reinforcement and the longitudinal support are in arc-shaped supporting cooperative relation, and a supporting relation is formed between the transverse reinforcement and the small ring body of the seat body, so that the fastening relation between the seat body and the support tube assembly is enhanced, and the support tube assembly is more stable and effective in supporting the seat body.

The transverse reinforcement comprises two crossed reinforcement pipes which are transversely distributed to form a cross reinforcement area at the middle position of the two reinforcement pipes, the cross reinforcement area is supported below the small ring body, and the lower ring body is fixedly connected with the reinforcement pipes of the cross reinforcement area; the outer end of the reinforcement pipe extends to the outer side wall of the foot pipe and is fixedly connected with the foot pipe so as to form a transverse continuous reinforcement surface. So that the transverse reinforcement can strengthen and stabilize the seat body and the foot tube more effectively and directly.

The transverse continuous strengthening surface is in a horizontal or inclined shape, and when the transverse continuous strengthening surface is in an inclined shape, the inclined direction and the inclined amplitude of the transverse continuous strengthening surface are consistent with those of the small ring body; so that the magnitude of the seat body surface is better supported, and the stable support and the comfort of the user when sitting in the seat are optimized.

The support tube assembly comprises four foot tubes, the four foot tubes comprise two long foot tubes and two short foot tubes, the upper ends of the four foot tubes are fixedly connected with a first mounting plate, the first mounting plate is detachably connected to the large ring body through a first screw assembly, the two long foot tubes are connected to the rear end of the large ring body, and the two short foot tubes are connected to the front end of the large ring body; so that the large ring body is inclined; and likewise, the transverse reinforcement pipe is detachably connected to the side wall of the foot pipe through the second mounting plate, and the assembly relation of the whole support pipe assembly is simpler and is more beneficial to disassembly and assembly.

In addition, after the disassembly, the reinforcing pipe and the foot pipe fall into the area surrounded by the large ring body and are not exposed, the storage and transportation volume is smaller, the storage and transportation cost is effectively saved, and the daily storage of a user is reduced.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a first detachable round tube single chair;

FIG. 2 is a detachable round tube single chair II;

FIG. 3 is a detachable round tube single chair III;

FIG. 4 is a detachable round tube single chair IV;

FIG. 5 is a schematic view of a round tube single chair with its structure disassembled;

FIG. 6 is a schematic view of a round tube single chair disassembled and stored;

fig. 7 is a schematic view of a large and small ring body and support tube assembly.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

As shown in fig. 1 to 4, the detachable single chair 100 includes a base 10 and a support tube assembly 20. The support tube assembly 20 is supported under the housing 10 to support the housing 10 at a certain height.

As shown in fig. 5 and 6, the seat body 10 includes a large ring body 11 and a small ring body 12, and a plurality of connection ropes s which are distributed in a divergent manner and have a gradually changing length are connected between the large ring body 11 and the small ring body 12, so as to form an annular seat surface f between the large ring body 11 and the small ring body 12. The annular seat surface f includes a back side seat surface, left and right side surfaces, and a front side seat surface. The left side surface and the right side surface are connected with the back side leaning surface for transition, and the seat surface and the left side surface and the right side surface are also in transition through the curved surfaces, so that the whole annular seat surface f forms a continuous pocket-shaped seating area. The annular seat surface f is formed by distribution based on the connecting ropes s, so that the annular seat surface f has certain deformation capability, after a user sits on the seat, the body of the user can be effectively supported by the annular seat surface f through changing the body posture, and the seat surface can be effectively and flexibly deformed to be attached to the curved surface of the body, so that the sitting comfort of the user is improved.

Further, as shown in fig. 5 to 7, the support tube assembly 20 in the present embodiment includes a longitudinal support 21 and a lateral reinforcement 22; the longitudinal supports 21 provide a vertical support force and the transverse reinforcement 22 further stabilizes the longitudinal supports 21 in the transverse direction.

More specifically, the longitudinal support 21 includes four leg tubes 01, and the upper ends of the leg tubes 01 are connected to four points of the large ring body 11 to support the annular seat surface f, and the large ring body 11 is inclined with a high rear end and a low front end.

The transverse stiffener 22 comprises two intersecting, transversely distributed stiffening tubes 02 to form a cross stiffening region 03 at a location intermediate the two stiffening tubes 02. The crisscross formation may make the lateral support stability of the lateral reinforcement 22 stronger.

The cross reinforcement 03 is supported below the small ring 12 and is fixedly connected to the reinforcement tube 02 of the cross reinforcement 03. The outer end of the reinforcement pipe 02 extends to the outer side wall of the foot pipe 01 and is fixedly connected with the foot pipe 01 so as to form a transverse continuous reinforcement surface p. That is, the stiffener 22 is not only in a fixed relationship with the vertical leg tubes 01, but also in an effective connecting, supporting relationship with the small ring 12.

Preferably, the transverse continuous reinforcing surface p is horizontal or inclined. When the transverse continuous reinforcing surface p is inclined, the inclination direction and the inclination width are the same as those of the small ring body 12.

In addition, the inclination direction of the transverse continuous strengthening surface p is consistent with the inclination direction of the large ring body 11, and the inclination angle of the transverse continuous strengthening surface p can be adjusted as required to be matched with the inclination amplitude of the front seat surface of the annular seat surface f, so that a better stabilizing and supporting effect is achieved.

The leg tube 01 and the reinforcing tube 02 have lengths smaller than the caliber of the large ring body 11. In the first state, the longitudinal support 01 and the lateral reinforcement 22 support the base 10. In the second state, as shown in fig. 6, the down tube 01 and the reinforcing tube 02 are removed and placed in the large ring body 11 for storage or transportation.

That is, after disassembly, the reinforcing pipe 02 and the foot pipe 01 fall into the area surrounded by the large ring body 11 without exposure, and the storage and transportation space is small, thereby effectively saving the storage and transportation cost and being beneficial to reducing the daily storage of users.

More preferably, as shown in fig. 6, the single chair in this embodiment is configured such that, after the whole body is disassembled, the large ring body 11 and the small ring body 12 are stacked and positioned in the same plane, so as to facilitate reducing the thickness of the product after the disassembly and stacking.

More specifically, the four foot tubes 01 include two long foot tubes a1 and two short foot tubes a2, the upper ends of the four foot tubes 01 are fixedly connected with a first mounting plate c1, and the first mounting plate c1 is detachably connected to the large ring body 11 through a first screw assembly t 1. Wherein, two long foot pipes a1 are connected at the rear end of the large ring body 11, and two short foot pipes a2 are connected at the front end of the large ring body 11.

Further, the four end parts of the two reinforcing pipes 02 are fixedly connected with second mounting plates c2 respectively, and the second mounting plates c2 are detachably connected to the middle positions of the four foot pipes 01 through second screw assemblies t 2.

Preferably, the middle part of the two reinforced pipes 02 is a flat section d, the intersection of the flat sections d of the two reinforced pipes 02 is fixedly connected through screws t, and the two reinforced pipes 02 and the small ring body 12 are fixedly connected through a plurality of screws t.

Under the technical means, an effective connection strengthening relationship is formed between the transverse strengthening pipe 02 and the foot pipe 01, and the supporting strength and stability of the supporting pipe assembly to the seat body 10 are further enhanced.

Preferably, the large ring 11, the small ring 12, the four leg tubes 01 and the two reinforcing tubes 02 in this embodiment are all round metal tubes. To provide strength to the support tube assembly, the metal round tube is preferably made of iron or aluminum.

In addition, the large ring body 11 is preferably shaped like an ellipse, and the length of the leg tube 01 and the reinforcing tube 02 after disassembly is smaller than the caliber of the large ring body 11, so that the leg tube 01 and the reinforcing tube 02 can be placed inside the large ring body 11.

The present utility model has advantages over the prior art in that the support tube assembly 20 includes the longitudinal support 21 and the transverse reinforcement 22, the transverse reinforcement 22 not only forms an arcuately supported cooperative relationship with the longitudinal support 21, but also forms a supporting relationship with the small ring body 12 of the seat body 10, thereby reinforcing the fastening relationship between the seat body 10 and the support tube assembly 20, and the support tube assembly 20 supports the seat body 10 more stably and effectively.

The transverse reinforcement 22 comprises two crossed reinforcement pipes 02 which are transversely distributed to form a cross reinforcement area 03 at the middle position of the two reinforcement pipes 02, the cross reinforcement area 03 is supported below the small ring body 12, and the lower ring body is fixedly connected with the reinforcement pipes 02 of the cross reinforcement area 03; the outer end of the reinforcement pipe 02 extends to the outer side wall of the foot pipe 01 and is fixedly connected with the foot pipe 01 so as to form a transverse continuous reinforcement surface p. So that the transverse reinforcement 22 can strengthen and stabilize the seat body 10 and the foot tube 01 more effectively and directly.

The transverse continuous strengthening surface p is horizontal or inclined, and when the transverse continuous strengthening surface p is inclined, the inclination direction and the inclination amplitude of the transverse continuous strengthening surface p are consistent with those of the small ring body 12; so that the magnitude of the seat body surface is better supported, and the stable support and the comfort of the user when sitting in the seat are optimized.

The support tube assembly 20 comprises four foot tubes 01, the four foot tubes 01 comprise two long foot tubes a1 and two short foot tubes a2, the upper ends of the four foot tubes 01 are fixedly connected with a first mounting plate c1, the first mounting plate c1 is detachably connected to the large ring body 11 through a first screw assembly t1, wherein the two long foot tubes a1 are connected to the rear end of the large ring body 11, and the two short foot tubes a2 are connected to the front end of the large ring body 11; so that the large ring body 11 is inclined; and, as such, the transverse reinforcing tube 02 is detachably connected to the side wall of the foot tube 01 through the second mounting plate c2, and the whole support tube assembly 20 is simpler in assembly relationship and more convenient for disassembly and assembly.

As shown in fig. 5, the mounting plate in this embodiment is an elongated plate (circular, rectangular, elliptical, etc. and the shape thereof is not limited) attached to the end of the pipe (leg pipe 01, reinforcing pipe 02). Preferably, the plate has an arcuate outer surface to conform to the outer surface of the tubular (when the tubular is a circular tubular) to be joined. The connecting holes are formed in the two ends of the plate to be matched with the screw assemblies. In addition, the width of the mounting plate is consistent with the width of the pipe fitting to be connected, so that the influence on the appearance caused by the too wide mounting plate is avoided, and the exposed edge of the mounting plate also has the problem of squeezing and rubbing the body of a user.

The reinforcing tube 02 is preferably a circular tube, and the flat section d of the intermediate portion thereof is formed by pressing the reinforcing tube 02 to deform it. The flat section d is provided with a connecting hole to be matched with the screw component.

The detachable round tube single chair provided by the utility model is described in detail above, and specific examples are applied to illustrate the principle and the implementation mode of the utility model, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. Detachable single chair, its characterized in that: comprises a seat body and a support tube assembly,

the seat body comprises a large ring body and a small ring body, wherein the large ring body is in an inclined shape with a high rear end and a low front end, a plurality of divergent connecting ropes are connected between the large ring body and the small ring body, one end of each connecting rope is connected to the large ring body, and the other end of each connecting rope is connected to a small arc;

the support tube assembly comprises four foot tubes and two reinforcing tubes;

2. The detachable single chair according to claim 1, wherein:

the large ring body, the small ring body, the four foot pipes and the two reinforced pipes are all metal round pipes;

the metal round tube is made of iron or aluminum.

3. The detachable single chair according to claim 1, wherein:

the large ring body is elliptical, and the length of the disassembled foot tube and the length of the reinforced tube are smaller than the caliber of the large ring body, so that the foot tube and the reinforced tube can be placed inside the large ring body.

4. Detachable single chair, its characterized in that: comprises a seat body and a support tube assembly,

the support tube assembly comprises four foot tubes and two reinforcing tubes;

5. The removable single chair of claim 4, wherein:

the upper ends of the four foot pipes are fixedly connected with a first mounting plate, and the first mounting plate is detachably connected to the large ring body through a first screw assembly;

6. The removable single chair of claim 4, wherein:

the middle part of the two reinforced pipes is a flat section, and the intersection of the flat sections of the two reinforced pipes is fixed by screw connection.

7. The removable single chair of claim 4, wherein:

the metal round tube is made of iron or aluminum.

8. The removable single chair of claim 4, wherein:

9. Detachable single chair, its characterized in that: comprises a seat body and a support tube assembly,

the seat body comprises a large ring body and a small ring body, wherein a plurality of connecting ropes which are distributed in a divergent mode and in transition of length gradual change are connected between the large ring body and the small ring body so as to form an annular seat surface between the large ring body and the small ring body;

the transverse reinforcement comprises two crossed reinforcement pipes which are transversely distributed to form a cross reinforcement area in the middle of the two reinforcement pipes, and the cross reinforcement area is supported below the small ring body and fixedly connected with the reinforcement pipes of the cross reinforcement area;

the outer end of the reinforcement pipe extends to the outer side wall of the foot pipe and is fixedly connected with the foot pipe so as to form a transverse continuous reinforcement surface;

the transverse continuous strengthening surface is horizontal or inclined, and the inclination direction and the inclination amplitude of the inclined transverse continuous strengthening surface are consistent with those of the small ring body.

10. The removable single chair of claim 9, wherein: the lengths of the foot tube and the reinforcement tube are smaller than the caliber of the large ring body;

11. The removable single chair of claim 9, wherein:

12. Detachable single chair, its characterized in that: comprises a seat body and a support tube assembly,

the transverse continuous strengthening surface is horizontal or inclined, and the inclination direction and the inclination amplitude of the inclined transverse continuous strengthening surface are consistent with those of the small ring body;