CN108741840B

CN108741840B - Folding seat

Info

Publication number: CN108741840B
Application number: CN201810501219.8A
Authority: CN
Inventors: 泉里志
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2021-10-08
Anticipated expiration: 2038-05-23
Also published as: CN108741840A

Abstract

The invention discloses a folding seat, which comprises a fixing ring, a cylinder body and a stool body with a rigid structure, wherein the cylinder body is arranged around the fixing ring at intervals, the cylinder body is pivoted with the fixing ring, the pivoting position of the cylinder body and the fixing ring is a pivoting point, the cylinder body is inclined at an adjustable angle around the pivoting point along the same circumferential direction of the fixing ring, the cylinder body is inclined along the same circumferential direction of the fixing ring, two adjacent cylinder bodies are mutually abutted to form an unfolded state, the inclined cylinder body forms an expanded accommodating cavity at the upper part of the fixing ring, the stool body is detachably arranged in the accommodating cavity and abutted to the cylinder body, the stool body is positioned above the fixing ring, and the centers of the two are mutually staggered in the vertical direction to form an eccentric supporting structure. The folding seat has the advantages of attractive and elegant appearance, folding, reasonable stress design, stable and firm structure and long service life.

Description

Folding seat

Technical Field

The invention relates to the field of seats, in particular to a folding seat.

Background

With the development of science and technology and the advancement of humanity, the seat is gradually one of the seats which are most frequently used by people. With the development of industry in recent years, the demand of people for material culture is generally improved, and the seat has higher experience and pursuit, so that the folding seat appears.

The folding seat is favored by people due to the characteristic of being capable of being folded and unfolded freely, can be unfolded to sit when needed, and can be folded when not needed, so that the space is not wasted, and the portability is strong.

At present, the folding seat on the market is unreasonable in stress design, so that the service life is short.

Therefore, there is a need for a foldable seat that is elegant, foldable, reasonable in design, and stable and firm in structure.

Disclosure of Invention

The invention aims to provide a folding seat which is attractive and elegant, foldable, reasonable in design and stable and firm in structure.

In order to achieve the purpose, the folding seat of the invention comprises a fixed ring, a column body and a stool body with a rigid structure, the column body is arranged around the fixing ring in a clearance way, the column body is pivoted with the fixing ring, the pin joint position of the cylinder and the fixing ring is a pin joint point, the cylinder inclines around the pin joint point in an angle-adjustable manner along the same circumferential direction of the fixing ring, the cylinders are inclined along the same circumferential direction of the fixing ring, two adjacent cylinders are mutually butted to form a spreading shape, the inclined cylinders form an expanded accommodating cavity on the upper part of the fixing ring, the stool body is detachably arranged in the accommodating cavity and is abutted against the column body, the stool body is positioned above the fixing ring, the centers of the stool body and the fixing ring are staggered in the vertical direction, and the center of the fixing ring is positioned in front of the center of the stool body.

Preferably, the cylinder has a cylindrical or prismatic structure.

Preferably, the fixing ring is of a circular ring structure.

Preferably, the stool body is a disc structure, and the stool body is provided with a groove for the column to extend into.

Preferably, the post selectively extends into the recess.

Preferably, the bottom surface of the stool body is of a corrugated structure.

Preferably, the stool body is of a foldable structure.

Preferably, the stool body is detachably connected with the fixing ring.

Preferably, the columns are arranged around the fixing ring with equal gaps.

Preferably, the cylinder is divided into a first portion and a second portion by taking the pivot point as a boundary, the first portion encloses the accommodating cavity, a free end of the first portion encloses a first oval structure in an inclined shape, and a free end of the second portion encloses a second oval structure in a horizontal shape.

Preferably, when the stool body is placed in the accommodating cavity, the stool body is flush with the lowest point of the first elliptical structure.

Preferably, the cylinder is pivotally connected to the fixing ring by a bolt and a nut or a pin.

Preferably, the folding seat of the invention further comprises a first rope body, and the first rope body movably penetrates through the first part in sequence.

Preferably, the first rope forms a grid shape on the first portion.

Preferably, the first rope bodies between the adjacent first parts are in a grid shape.

Preferably, the folding seat of the invention further comprises a second rope body, and the second rope body movably penetrates through the second part in sequence.

Preferably, the second rope forms a grid shape on the second portion.

Preferably, the second rope bodies between the adjacent second parts are in a grid shape.

Compared with the prior art, the folding seat has the advantages that the plurality of the columns are pivoted on the fixing ring in a surrounding manner at intervals, so that the columns can rotate around the pivoting points to be in an unfolded inclined shape or a folded vertical shape; and because the column bodies are inclined with adjustable angles around the pivot points along the same circumferential direction of the fixing ring, when the folding seat is unfolded, the column bodies are inclined along the same circumferential direction of the fixing ring so that two adjacent column bodies are mutually butted, so that all the columns surrounding the fixing ring form an integral structure by mutual interference, the integral structure is formed by the column body which is self-adaptive by the pin joint with the fixed ring and the mutual interference fixation which can be inclined because of the pin joint, therefore, when the folding seat of the invention is unfolded and placed on the ground, the integral structure directly formed by the column body and the fixing ring can stably support the ground, even if the ground is uneven, the inclination angle of each column can be adjusted by the pin joint of the column and the fixing ring, make and keep the state of contradicting each other all the time between each cylinder, and then ensure whole overall structure and subaerial firm. Meanwhile, the inclined column body forms a containing cavity at the upper part of the fixing ring, the rigid stool body is positioned in the containing cavity and above the fixing ring, which is beneficial to covering the fixing ring, when in use, a human body sits on the rigid stool body, on one hand, the eccentric supporting structure formed by the center of the fixing ring positioned in front of the center of the stool body is utilized to support the human body, which is more in accordance with the ergonomic design of sitting posture, and is particularly suitable for the ergonomic design that the back of the human body sits on the stool body and leans against the backrest formed by the supporting column, so that a user sitting on the stool body is more comfortable and stable, on the other hand, the stool body can exert downward pressure on the integral structure formed by the fixing ring and the column body, and the pivot point of the column body and the fixing ring and the position where the column body and the column body are mutually butted are both positioned below the stool body, therefore, the pressure exerted on the stool body by the human body can make the column body and the column body mutually butted, the integral structure formed by the cylinder body and the fixing ring is more stable, the self-adaption ground capability is stronger, and meanwhile, when a human body sits on the stool body, the integral structure formed by the cylinder body and the fixing ring is more stable, so that the weight of the human body is more uniformly dispersed on the cylinders which are mutually collided, the cylinders uniformly bear pressure and are mutually collided to form an integral structure for maintaining the stability of the unfolded folding seat, and the folding seat has reasonable and effective structural design and good stability; in addition, when the folding umbrella is unfolded, the columns are inclined, and the adjacent columns are mutually butted, so that the overall outline presents a dynamic spiral structure, a thin waist shape is given, namely, the folding umbrella is respectively expanded from the middle to the upper and lower directions, the appearance is attractive and elegant, and a strong visual impact effect is given to people. Therefore, the folding seat has the advantages of attractive and elegant appearance, folding, reasonable stress design, stable and firm structure and long service life.

Drawings

Fig. 1 is a schematic perspective view of the folding seat of the present invention in an unfolded state.

Fig. 2 is a side view schematically showing the folding seat of the present invention in a unfolded state.

Fig. 3 is a rear view schematically showing the folding seat of the present invention in an unfolded state.

Fig. 4 is a schematic view of a half disassembled structure of the folding seat of the present invention in an unfolded state.

Fig. 5 is a schematic top view of the folding seat of the present invention with the stool body removed.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 5, the foldable sitting device 100 of the present invention includes a fixing ring 1, a column 2, and a stool body 3 with a rigid structure. The cylinder 2 is arranged around the fixing ring 1 at equal intervals, the cylinder 2 is pivoted with the fixing ring 1, the position where the cylinder 2 is pivoted with the fixing ring 1 is a pivoting point, and the cylinder 2 inclines around the pivoting point in an angle-adjustable manner along the same circumferential direction of the fixing ring 1; it will be appreciated that, depending on the actual situation, the column 2 is angularly adjustable about the pivot point in the clockwise or counterclockwise direction of the retaining ring 1. In this embodiment, the cylinder 2 is inclined clockwise along the fixing ring 1, and two adjacent cylinders 2 are mutually abutted to form a spreading shape (as shown in fig. 1 to 5), and the inclined cylinder 2 forms an expanded receiving cavity 6 (i.e., the cross-sectional area of the receiving cavity 6 gradually increases from bottom to top) at the upper part of the fixing ring 1; the stool body 3 is detachably arranged in the containing cavity 6 and is abutted against the column body 2; specifically, the stool body 3 is detachably connected with the fixing ring 1, and the stool body 3 can be detachably connected with the fixing ring 3 through a connecting piece with a bolt; certainly, the stool body 3 can also be directly placed on the column body 2 to support the column body 2 by contacting with the column body; the stool body 3 is positioned above the fixing ring 1, the centers of the stool body 3 and the fixing ring 1 are mutually staggered in the vertical direction, the center of the fixing ring 1 is positioned in front of the center of the stool body 3, so that the stool body 3 and the fixing ring 1 form an eccentric supporting structure, the stool body 3 is borne by the cylinder 2 by virtue of the collision of the stool body 3 and the cylinder 2, so that the stool body 3 is positioned, the stool body 3 with a rigid structure is collided with the cylinder 2, when in use, a human body sits on the rigid stool body 3, on one hand, by virtue of the eccentric supporting structure formed by the center of the fixing ring 1 in front of the center of the stool body 3, a user sitting on the stool body 3 is more comfortable and stable, on the other hand, the stool body 3 can exert downward pressure on the integral structure formed by the fixing ring 1 and the cylinder 2, the pressure given to the stool body 3 by the human body can make the mutual collision between the cylinder 2 and the cylinder 2 more tight, so that the integral structure formed by the column body 2 and the fixing ring 1 is more stable and the ground self-adapting capability is stronger, thereby making the folding seat 100 of the invention more stable. The stool body 3 is positioned above the fixing ring 1, and covers the fixing ring 1 while abutting against the fixing ring, which is beneficial to the beauty of the folding seat 100. It can be understood that, when the folding seat 100 of the present invention needs to be folded, after the stool body is detached from the receiving cavity 6, the column body 2 can rotate around the pivot point, so as to fold the column body 2, and the most ideal folding shape is to rotate the column body 2 to the vertical shape, and then to restrain and fix, so that the folded folding seat 100 has the smallest volume and regular shape, which is convenient for packing and transportation, and is beneficial to improving portability when the folding seat 100 is in the folding state. Preferably, in the present embodiment, the cylinder 2 is a cylindrical structure, so that the cylinder 2 can rotate and tilt smoothly around the fixing ring 1 with small resistance. Of course, in other embodiments, the cylinder is a prism structure, but not limited thereto. Specifically, solid fixed ring 1 is the ring structure, by solid fixed ring 1 of ring structure for can make adjacent cylinder 2 contradict each other when cylinder 2 winds the same circumference slope of solid fixed ring 1, thereby makes the cylinder 2 of mutual conflict form a stable whole. More specifically, the following:

referring to fig. 1 to 4, the stool body 3 is a disc structure, so that the stool body 3 can be conveniently placed in the accommodating cavity 6, and the contour of the stool body 3 can be more matched with the contour of the accommodating cavity 6, so that the pillars 2 can be more tightly abutted when the stool body 3 abuts against the pillars 2. The recess 31 that supplies cylinder 2 to stretch into is still seted up to the bench body 3 to make

bench body

3 and 2 joints of cylinder, thereby the effectual bench body 3 that prevents takes place to slide in acceping the chamber 6, brings the danger of tumbleing for the user, has ensured the stability of bench body 3 in acceping the chamber 6. Preferably, the columns 2 selectively extend into the grooves 31, in this embodiment, the number of the grooves 31 is equal to the number of the columns 2, so that one column 2 correspondingly extends into one groove 31, and the stool body 3 is more stably clamped on the column 2; of course, in other embodiments, the number of the grooves 31 is less than that of the columns 2, so that a plurality of columns 2 correspond to one groove 31, and the grooves 31 are selectively clamped with the columns 2 therein. Specifically, the bottom surface of the stool body 3 is corrugated, so that the stool body 3 is abutted against the column body 2 while the appearance is attractive. The stool body 3 is of a foldable structure. Specifically, in the present embodiment, the stool body 3 is a structure that can be folded in half, but not limited thereto; when the stool body 3 is detached from the containing cavity 6, the half-and-half folding structure of the stool body 3 reduces the volume of the stool body 3, thereby being convenient for carrying and storage. Specifically, the stool body is divided into a first stool body and a second stool body along the radial direction of the stool body 3, the first stool body and the second stool body are both in a semicircular disc structure, and the first stool body and the second stool body are pivoted with each other to realize half-and-half folding of the stool body 3, but not limited to this.

Referring to fig. 2, 3 and 5, the cylinder 2 is divided into a first portion 21 and a second portion 22 by using the pivot point as a boundary, and the first portion 21 and the second portion 22 are respectively expanded upward and downward by using the pivot point as a boundary, so that the overall contour of the cylinder presents a dynamic spiral structure, and a thin waist shape is provided, and the cylinder is elegant in appearance and gives strong visual impact effect to people. The first portion 21 defines the receiving cavity 6, and the free end 211 of the first portion 21 defines an inclined first oval structure (as shown in fig. 2), that is, the length of the first portion gradually changes from short to long to short, so that the long first portion forms the backrest 212, which is more ergonomic. The free end 221 of the second portion 22 is enclosed into a second horizontal elliptical structure (as shown in fig. 2), so that the second portion 22 is stably and reliably supported on the ground by the second horizontal elliptical structure. Preferably, when the stool body 3 is placed in the receiving cavity 6, the stool body 3 is flush with the lowest point of the first oval structure, so that the user can conveniently sit in the foldable seating furniture 100 of the present invention, the thighs of the user are prevented from being obstructed, and the present invention conforms to the ergonomics.

Referring to fig. 2 to 5, the cylinder 2 is pivotally connected to the fixing ring 1 by a pin 7. Specifically, the pin 7 sequentially penetrates through the cylinder 2 and the fixing ring 1, and the pin 7 is arranged in the fixing ring 1 in an equidistant manner, preferably, the pin 7 is in clearance fit with the cylinder 2 and the fixing ring 1, so that the cylinder 2 can rotate around a pivot point and tilt in an angle-adjustable manner along the same circumferential direction of the fixing ring 1. Of course, in other embodiments, the column 2 is pivotally connected to the fixing ring 1 by a bolt and a nut, or the column 2 is pivotally connected to the fixing ring 1 by a screw, so the disclosure is not limited thereto.

Referring to fig. 1 to 3, in order to improve the stability of the folding seat 100 of the present invention, the folding seat further includes a first rope 4, the first rope 4 movably passes through the first portion 21 in sequence, the first portion 21 is restrained by the first rope 4, and the first portion 21 and the second portion 22 form an integral structure, so that the first rope 4 restrains the first portion 21 and indirectly restrains the second portion 22 at the same time, thereby improving the efficiency and convenience of unfolding and folding the folding seat 100 of the present invention, and preventing the messy process of unfolding or folding the column 2. Besides, when one of the columns 2 accidentally falls off from the fixing ring 1, the columns 2 can be prevented from being lost. By the first rope body 4 being movable, stress can not be concentrated on a certain point when the first rope body 4 disperses the stress, and uniform dispersion of the stress is ensured. Specifically, the first rope 4 forms a grid shape on the first portion 21, so that the folding seat 100 is more attractive and elegant, and helps to better distribute stress, and in addition, the backrest 212 is more comfortable and ergonomic. For example, the first rope 4 between the adjacent first portions 21 is in a grid shape, so as to facilitate the beauty and comfort of the folding seat 100, and further facilitate the uniform stress dispersion; of course, in other embodiments, the first rope 4 is alternately arranged in parallel and crossed in the first portion 21, so the invention is not limited thereto.

In order to further improve the stability of the folding seat 100 of the present invention, the present invention further comprises a second rope 5, and the second rope 5 is movably passed through the second portion 22 in sequence. The first rope 4 and the second rope 5 are matched to further limit the column body 2. Specifically, the second rope 5 forms a grid shape on the second portion 22, so that the folding seat 100 is beautiful and elegant, and helps to better disperse the stress. For example, the second rope 5 between the adjacent second portions 22 is in a grid shape. Thereby being beneficial to the beauty and comfort of the folding seat 100 and being more beneficial to evenly dispersing stress; of course, in other embodiments, the second rope 5 is disposed in the second portion 22 in an alternating manner of parallel and crossing, so the invention is not limited thereto.

By means of the first rope 4 and the second rope 5, when the gravity of a person is applied to the stool body 3, the force is transmitted to each column body 2, the first rope 4 and the second rope 5, and the first rope 4 and the second rope 5 are utilized to help to disperse the stress concentrated on each column body 2, so that the folding seat 100 is stressed reasonably. The number of turns of the first rope body 4 is greater than or equal to that of the second rope body 5. For example, in the present embodiment, the number of turns of the first rope 4 is three, and the number of turns of the second rope 5 is one; of course, in other embodiments, the number of turns of the first rope 4 is two, and the number of turns of the second rope 5 is one; or the number of turns of the first rope 4 is one, and the number of turns of the second rope 5 is one, but not limited thereto.

It is noted that the connection between the first rope 4 and the second rope 5 of the present invention and the column body 2 is a movable connection, along with the change of the pressure born by the stool body and the position of the gravity center, the first rope body 4 and the second rope body 5 can self-adaptively adjust the tightness degree, namely, the stretching amount is larger when the tightening degree is higher, and vice versa, the tightening degree is self-adaptively adjusted through the perception of the pressure and the gravity center position change of the first rope body 4 and the second rope body 5, so that the first rope body 4 and the second rope body 5 restrain the column body as a whole, and the column body is stressed as a whole, thereby effectively dispersing the pressure, the pressure can not be concentrated on one or a plurality of the column bodies 2 and the connecting points of the rope bodies on the column bodies, the first rope body 4, the second rope body 5 and the column bodies 2 can not be broken, and the safety of the folding seat of the invention can be ensured.

As shown in fig. 1-5, the working principle of the folding seat 100 of the present invention is explained: make cylinder 2 incline and make between the adjacent cylinder 2 conflict along the same circumference of solid fixed ring 1 earlier, place bench body 3 in acceping the chamber 6 and conflict with cylinder 2 again. When a person sits on the stool body 3, the force applied to the stool body 3 is transmitted to each column body 2, and the first rope body 4 and the second rope body 5 are movably arranged on the first portion and the second portion respectively in a penetrating manner so as to uniformly disperse the force applied to the column bodies 2. Understandably, the smaller the number of the columns 2, the larger the gap between the columns 2, the larger the maximum inclination angle of the columns 2, and the larger the expansion angle of the accommodating cavity 6; on the contrary, the larger the number of the columns 2, the smaller the gap between the columns 2, the smaller the maximum inclination angle of the columns 2, and the smaller the expansion angle of the accommodating cavity. The number of the columns 2 and the gap between the columns 2 can be adjusted according to actual conditions.

Referring to fig. 1-5, the foldable seat 100 of the present invention is formed by pivotally connecting a plurality of columns 2 to a fixing ring 1 in a spaced manner, such that the columns 2 can rotate around the pivot point to be in an unfolded inclined state or a folded vertical state; and because the column bodies 2 are inclined with the angle adjustable around the pivot point along the same circumferential direction of the fixing ring 1, when the folding seat 100 is unfolded, the column bodies 2 are inclined along the same circumferential direction of the fixing ring 1 to enable the adjacent two column bodies 2 to be mutually abutted, so that all the column bodies 2 surrounding the fixing ring 1 form an integral structure through mutual interference, and therefore all the column bodies 2 surrounding the fixing ring 1 form an integral structure through mutual interference, and the integral structure is formed by the column bodies 2 being in pivot connection with the fixing ring 1 and being in self-adaptive mutual abutting fixation because of the self-pivot connection, so that when the folding seat 100 is unfolded and placed on the ground, the integral structure directly formed by the column bodies 2 and the fixing ring 1 can be stably supported on the ground, even if the ground is uneven, the inclination angle of each column body 2 can be self-adaptively adjusted through the pivot connection of the column bodies 2 and the fixing ring 1, make and keep the state of contradicting each other all the time between each cylinder 2, and then ensure whole overall structure and subaerial firm. Meanwhile, the inclined column body 2 forms a containing cavity 6 on the upper part of the fixing ring, the rigid stool body 3 is positioned in the containing cavity 6 and above the fixing ring 1, so the column body 2 is in head-to-tail lap joint to enable the stress to be evenly dispersed, the stool body 3 is positioned above the fixing ring 1, and by means of an eccentric supporting structure formed by the center of the fixing ring 1 positioned in front of the center of the stool body 3, a user sitting on the stool body 3 is more comfortable and stable, and by means of the stool body 3, the fixing ring 1 is also beneficial to covering the fixing ring 1, when in use, the user sitting on the rigid stool body 3 supports the human body by means of the eccentric supporting structure formed by the fixing ring 1 and the stool body 3, the human engineering design is better met, the user sitting on the stool body 3 is more comfortable and stable, on the other hand, the stool body 3 can apply downward pressure to the integral structure formed by the fixing ring 1 and the column body 2, the pin joint point of the cylinder 2 and the fixing ring 1 and the position where the cylinder 2 and the cylinder 2 are mutually abutted are both positioned below the stool body 3, so that the pressure given to the stool body 3 by the human body can enable the cylinder 2 and the cylinder 2 to be mutually abutted more tightly, the integral structure formed by the cylinder 2 and the fixing ring 1 is more stable, and the self-adaption to the ground is stronger, meanwhile, when the human body sits on the stool body, the integral structure formed by the cylinder 2 and the fixing ring 1 is more stable, so that the weight of the human body is more uniformly dispersed on the cylinders 2 which are mutually abutted, the cylinders 2 can uniformly bear the pressure and mutually abutted to form an integral structure which can maintain the stability of the unfolded folding seat 100, and the structure design is reasonable, effective and good in stability; in addition, when the folding umbrella is unfolded, the columns 2 are inclined, and the adjacent columns 2 are mutually collided, so that the overall outline presents a dynamic spiral structure, a thin waist shape is given to people, namely, the folding umbrella is respectively expanded from the middle to the upper and lower directions, the appearance is attractive and elegant, and a strong visual impact effect is given to people. Therefore, the foldable seat 100 of the present invention has the advantages of beautiful appearance, foldable performance, reasonable design of stress, stable and firm structure and long service life.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims

1. A kind of folding seat, its characteristic is: the stool body comprises a fixing ring, a cylinder and a rigid structure, wherein the cylinder is arranged around the fixing ring in a clearance manner, the cylinder is pivoted with the fixing ring, the pivoted position of the cylinder and the fixing ring is a pivoting point, the cylinder is inclined at an adjustable angle around the pivoting point along the same circumferential direction of the fixing ring, the cylinder is inclined along the same circumferential direction of the fixing ring, two adjacent cylinders are mutually abutted to form a spreading shape, the inclined cylinder forms an expanded accommodating cavity at the upper part of the fixing ring, the stool body is detachably arranged in the accommodating cavity and is abutted to the cylinder, the stool body is positioned above the fixing ring, the centers of the two are mutually staggered in the vertical direction, and the center of the fixing ring is positioned in front of the center of the stool body; the stool body is of a disc structure, and a groove for the column to extend into is formed in the stool body.

2. A folding seat according to claim 1, characterized in that said cylinder has a cylindrical or prismatic configuration.

3. A folding seat as claimed in claim 1, characterized in that said fixing ring is of a circular ring structure.

4. A folding seat as claimed in claim 1, characterized in that said post selectively projects into said recess.

5. The folding seat as claimed in claim 1, wherein the bottom surface of the stool body has a corrugated structure.

6. The folding seat as claimed in claim 1, wherein the stool body is of a foldable structure.

7. The folding seat as claimed in claim 1, wherein the stool body is detachably connected to the fixing ring.

8. A folding seat according to claim 1, characterised in that said posts are arranged with equal clearance around said fixed ring.

9. A folding seat as claimed in claim 1, wherein said column is divided into a first portion and a second portion by said pivot point, said first portion defining said receiving cavity, a free end of said first portion defining a first oval configuration in an inclined configuration, and a free end of said second portion defining a second oval configuration in a horizontal configuration.

10. The folding seat as claimed in claim 9, wherein said bench body is flush with a lowest point of said first elliptical structure when said bench body is disposed in said receiving cavity.

11. A folding seat according to claim 1, characterized in that said post is pivoted to said fixing ring by means of a bolt and nut or a pin.

12. The folding seat as claimed in claim 11, characterized in that it further comprises a first rope which passes through said first portion in a movable sequence.

13. The folding seat as claimed in claim 12, characterized in that said first rope forms a grid on said first portion.

14. A folding seat as claimed in claim 13, characterized in that the first cords between adjacent first portions are in the form of a grid.

15. The folding seat as claimed in claim 9, characterized in that it further comprises a second rope, which passes through said second portion in sequence, in a mobile manner.

16. The folding seat as claimed in claim 15, characterized in that said second rope forms a grid on said second portion.

17. The folding seat as claimed in claim 16, characterized in that the second rope between adjacent second portions is in the form of a grid.