CN114468640B

CN114468640B - Sigma-shaped folding seat

Info

Publication number: CN114468640B
Application number: CN202210079729.7A
Authority: CN
Inventors: 韩秀
Original assignee: Suzhou University
Current assignee: Suzhou University
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2023-08-15
Anticipated expiration: 2042-01-24
Also published as: CN114468640A

Abstract

The application relates to a sigma-shaped folding seat, comprising: a seat board, one side of which is bent downwards to form an extension part; the bottom plate is positioned below the seat plate and is contacted with the placing surface, the seat plate is parallel to the bottom plate, and one side of the bottom plate is bent upwards to extend to form a pedal part which is opposite to the extending part; the folding bracket is arranged between the seat plate and the bottom plate and comprises an upper supporting plate and a lower supporting plate, one side of the upper supporting plate is mutually close to and movably connected with one side of the lower supporting plate, the other side of the upper supporting plate is movably connected with one side of the seat plate, and the other side of the lower supporting plate is movably connected with one side of the bottom plate; the driving mechanism drives the folding seat to open and close; the upper support plate is located on the opposite side of the extension portion, the lower support plate is located on the opposite side of the foot pedal, and the folding seat is sigma-shaped after being unfolded. Realize folding function through folding support, simple structure, folding seat each part constitution is platelike structure simultaneously, and the structure is also more regular and stable, and is convenient for accomodate.

Description

Sigma-shaped folding seat

Technical Field

The application relates to a sigma-shaped folding seat, and belongs to the technical field of folding seats.

Background

The folding chair is a portable chair with a stackable function, is convenient to carry, saves space, is mainly made of oxford and plastic plates, is convenient to carry, is a chair frequently used for outdoor leisure at home, and is initially used for military use. The system is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.

There are more kinds of folding seat in the current market, but most folding seat often need four supporting legs to support folding seat in the use, but because of folding reason, four supporting legs are after opening, and every supporting leg's area of touching ground is less, leads to folding seat's stability to be variation for people fall to ground easily in the use, causes the injury to people's health, in addition, general four-legged folding seat can take up the chair foot together when folding, can cause folding seat focus unstable after the chair foot is packed up, need rely on just can guarantee firm at the wall, and the shape after four-legged folding seat is packed up is also irregular simultaneously, is inconvenient for subsequent accomodating and arrangement.

Disclosure of Invention

Therefore, the application aims to provide a folding seat which has a simple structure, high stability and convenient storage.

In order to achieve the above purpose, the present application provides the following technical solutions: a sigma-shaped folding seat comprising:

the seat board is used for contacting with a human body and bearing the weight of the human body, and one side of the seat board is downwards bent and extended to form an extension part;

the bottom plate is positioned below the seat plate and is contacted with the placing surface, the seat plate is parallel to the bottom plate, and one side of the bottom plate is bent upwards to extend to form a pedal part which is arranged opposite to the extending part;

the folding bracket is arranged between the seat plate and the bottom plate and comprises an upper supporting plate and a lower supporting plate, one side of the upper supporting plate is mutually close to one side of the lower supporting plate and is movably connected with one side of the seat plate, the other side of the upper supporting plate is movably connected with one side of the seat plate, and the other side of the lower supporting plate is movably connected with one side of the bottom plate; a kind of electronic device with high-pressure air-conditioning system

The driving mechanism drives the folding seat to open and close;

the upper support plate is located on the opposite side of the extending portion, the lower support plate is located on the opposite side of the pedal portion, and the folding seat is sigma-shaped after being unfolded.

Further, the driving mechanism comprises a plurality of electric jacking pieces hinged between the upper supporting plate and the seat plate, between the lower supporting plate and the bottom plate and between the upper supporting plate and the lower supporting plate, and a power supply assembly for supplying power to the electric jacking pieces.

Further, a containing groove is formed in the bottom plate, a cover body is arranged on the containing groove, the power supply assembly is installed in the containing groove, and the cover body is closed so that the power supply assembly is fixed in the containing groove.

Further, a charging socket connected with the power supply assembly is further arranged on the bottom plate.

Further, the folding seat comprises a backrest movably connected to the seat board, and the backrest can rotate along the joint of the backrest and the seat board and can change between a first position and a second position; the backrest is in a first position, and the backrest is perpendicular to the seat plate; the backrest is in a second position and is horizontal to the seat plate.

Further, the joint surface of the backrest and the back of the human body is a curved surface.

Further, the joint surface of the seat board and the human body is a curved surface which is concave inwards.

Further, the foot step part is of a frame-shaped structure with an opening.

Further, the folding seat is closed, and the extension portion is located inside the foot step portion.

The application has the beneficial effects that: compared with the prior art, the folding support increases the contact area through the contact of the bottom plate and the placement surface, improves the stability of the folding seat, is formed by only two support plates which are movably connected, has simple structure and is convenient to operate, and meanwhile, the folded structure of the folding seat is more regular and stable due to the fact that all parts of the folding seat are of the plate-shaped structure.

The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the present application, as it is embodied in the following description, with reference to the preferred embodiments of the present application and the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a Σ folding seat according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present application; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, a Σ -shaped folding seat according to an embodiment of the present application includes a seat pan 1, a bottom plate 2, a folding bracket 3, and a driving mechanism 4. The seat board 1 is used for contacting with a human body and bearing the weight of the human body, and one side of the seat board 1 is bent downwards to form an extension part 11. The bottom plate 2 is positioned below the seat plate 1 and is contacted with the placing surface, the seat plate 1 is parallel to the bottom plate 2, and one side of the bottom plate 2 is bent upwards to extend to form a pedal part 9 which is arranged opposite to the extension part 11. The folding bracket 3 is arranged between the seat board 1 and the bottom board 2 and comprises an upper supporting board 31 and a lower supporting board 32, one side of the upper supporting board 31 and one side of the lower supporting board 32 are mutually close to each other and are movably connected, the other side of the upper supporting board 31 is movably connected with one side of the seat board 1, and the other side of the lower supporting board 32 is movably connected with one side of the bottom board 2. The driving mechanism 4 drives the folding seat to open and close. Wherein the upper support plate 31 is located at the opposite side of the extension 11, the lower support plate 32 is located at the opposite side of the foot step 9, and the folded seat is sigma-shaped after being unfolded. The folding support 3 is movably connected between the seat board 1 and the bottom board 2 to realize the folding function of the seat, compared with the prior art, the contact area between the bottom board 2 and the placement surface is increased to improve the stability of the folding seat, the folding support 3 is only formed by movably connecting the upper support board 31 with the lower support board 32, the structure is simple, the operation is convenient, and meanwhile, the structure of the folding seat after folding is relatively regular and stable due to the fact that all parts of the folding seat are of the plate-shaped structure, and the subsequent storage and arrangement are convenient.

It should be noted that, the upper support plate 31 and the seat plate 1, the lower support plate 32 and the bottom plate 2, and the upper support plate 31 and the lower support plate 32 are connected by a connection shaft (not shown), specifically, the upper support plate 31 and the seat plate 1 are exemplified by two protrusions (not numbered) formed by extending horizontally outwards on the connection side of one of the upper support plate 31 and the seat plate 1 at intervals, the two protrusions and a part of the connection side between the two protrusions are combined to form a groove (not numbered), a protruding portion (not numbered) capable of being engaged with the groove is formed on the connection side of the other of the upper support plate 31 and the seat plate 1, the two protrusions and the protruding portion are provided with openings (not shown), after the protruding portion is inserted into the groove, the openings on the two protrusions and the openings on the protruding portion can be communicated, the connection shaft is inserted into the openings, and the connection shaft can rotate along the axis of the connection shaft in the openings, so that the upper support plate 31 and the seat plate 1 can both rotate along the connection shaft, and the movable connection of the upper support plate 31 and the seat plate 1 can be realized.

In the present embodiment, the driving mechanism 4 includes a plurality of electric lifters 41 hinged between the upper support plate 31 and the seat plate 1, between the lower support plate 32 and the bottom plate 2, and between the upper support plate 31 and the lower support plate 32, and a power supply assembly 42 for supplying power to the plurality of electric lifters 41. Specifically, after the electric jacking member 41 is electrified and started, the electric jacking member 41 starts to operate to perform jacking action, so that the included angle between the upper support plate 31 and the seat plate 1 is increased, the included angle between the lower support plate 32 and the bottom plate 2 is increased, and the included angle between the upper support plate 31 and the lower support plate 32 is increased, so that the folding seat is integrally opened, and as the electric jacking member 41 is hinged to each part of the folding seat, the operation of the electric jacking member 41 is not affected by the opening and closing of the folding seat. It should be noted that, the electric lifting member 41 in this embodiment is specifically an electric cylinder, the electric cylinder 41 adopts the prior art, which uses electric power as a direct power source, adopts various types of motors to drive screws or nuts in different forms to rotate, converts the screw motion between components into linear motion of the nuts or screws, and drives a cylinder barrel or a load to do reciprocating linear motion by the nuts or screws. The folding seat can be automatically opened and closed by providing the electric cylinder 41, which is more labor-saving, however, in other embodiments, the driving mechanism 4 may be a manual driving assembly, and may be a telescopic rod, which is not illustrated here.

In order to make the overall structure of the folding seat more attractive, the storage tank 5 is formed in the bottom plate 2 to prevent the power supply assembly 42 from being damaged due to collision of the outside, the cover body 6 is arranged on the storage tank 5, the power supply assembly 42 is arranged in the storage tank 5, and the cover body 6 is closed to fix the power supply assembly 42 in the storage tank 5. Meanwhile, a charging jack 43 connected with the power supply assembly 42 is also arranged on the bottom plate 2. The power supply assembly 42 in this embodiment is specifically a battery pack, and the battery pack 42 adopts the prior art, and its structure and working principle are well known to those skilled in the art, and will not be developed in detail here. Through setting up battery package 42 in the inside of bottom plate 2 for folding seat's overall structure is compacter, and the outward appearance is succinct more, and bottom plate 2 can play the guard action to battery package 42 simultaneously. In addition, by providing the battery pack 42 and the charging socket 43, the folding seat has dual power supply protection, so as to avoid the failure of the electric lifting member 41 due to the exhaustion of the battery pack 42 or the power failure.

In this embodiment, the folding seat comprises a backrest 8 movably connected to the seat board 1, and the backrest 8 can rotate along the connection part of the backrest 8 and the seat board 1 and can change between a first position and a second position; the backrest 8 is in the first position, the backrest 8 being perpendicular to the seat plate 1; the backrest 8 is in the second position, the backrest 8 being horizontal with the seat plate 1. By movably connecting the backrest 8 with the seat plate 1 so that the backrest 8 can rotate along the connection between the backrest 8 and the seat plate 1, the folding seat can realize a sitting and leaning function when the backrest 8 is in the first position and can realize a lying function when the backrest 8 is in the second position. It should be noted that, the backrest 8 is fixed at the first position or the second position by a fastening mechanism (not shown), and when the backrest 8 needs to be switched between the first position and the second position, the fastening mechanism is only required to be loosened to change the position of the backrest 8 and then the fastening mechanism is locked.

In this embodiment, the surface of the backrest 8 attached to the back of the human body is curved. Specifically, the backrest 8 comprises two transverse diaphragms 81 and a plurality of vertical diaphragms 82 which are arranged between the two transverse diaphragms 81 at equal intervals, the joint surfaces of the two transverse diaphragms 81 and the back of a human body are outwards convex curved surfaces, the vertical diaphragms 82 are matched with the curved surface shapes of the two transverse diaphragms 81 to enable the joint surfaces of the backrest 8 and the back of the human body to be curved surfaces, the backrest 8 is arranged to be curved surfaces, the shape of the back of the human body is more jointed, the backrest can better support the back of the human body, a person can maintain a good sitting posture, comfort and health are achieved, fatigue caused by sedentary sitting can be relieved, and the vertical diaphragms 82 which are arranged at intervals enable the backrest 8 to be breathable, and attractive appearance is increased.

In order to further improve the comfort level of the folding seat, the joint surface of the seat board 1 and the human body is a curved surface which is concave inwards. The joint surface of the seat board 1 and the human body is set to be a curved surface which is concave inwards, so that the shape of the seat board 1 is more accordant with the ergonomics, the hip pressure of a user can be relieved, and the comfort is improved. Meanwhile, the contact surface of the backrest 8 and the human body is set to be an outwards convex curved surface, and the contact surface of the seat 1 and the human body is set to be an inwards concave curved surface, so that when the folding seat is folded, the protruding curved surface on the backrest 8 is matched with the inwards concave curved surface on the seat 1, the folded structure of the folding seat is more compact, and the space is saved.

In the present embodiment, the foot step portion 9 has a frame-like structure having an opening 91. Providing the step portion 9 in a frame-like structure having the opening 91 can save material, reduce cost, and reduce the weight of the folding seat. Of course, in other embodiments, the foot step 9 may be provided in other shapes, which are not illustrated herein.

In this embodiment, the folding seat is closed and the extension 11 is located inside the foot rest 9. The folding seat has the advantages that the folding seat is compact and regular in structure after being folded, the extension part 11 and the pedal part 9 can protect the folding bracket 3 in multiple layers to prolong the service life, and meanwhile, the pedal part 9 is used as the bottom of the folding seat after being closed, so that the folding seat can directly stand on the ground without leaning on a wall surface, and is convenient to store and arrange.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present application is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present application can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present application should be included in the scope of the present application.

Claims

1. A sigma-shaped folding seat, comprising:

The driving mechanism drives the folding seat to open and close; the driving mechanism comprises a plurality of electric jacking pieces and a power supply assembly, wherein the electric jacking pieces are hinged between the upper supporting plate and the seat plate, between the lower supporting plate and the bottom plate and between the upper supporting plate and the lower supporting plate, and the power supply assembly is used for supplying power to the electric jacking pieces;

2. The sigma-shaped folding seat of claim 1 wherein said floor defines a receiving slot having a cover thereon, said power assembly being mounted within said receiving slot, said cover being closed to secure said power assembly within said receiving slot.

3. The sigma-shaped folding seat of claim 2 wherein said floor is further provided with a charging jack connected to said power supply assembly.

4. The sigma-shaped folding seat of claim 1 wherein said folding seat includes a backrest movably connected to said seat pan, said backrest being rotatable along a connection of said backrest to said seat pan and being changeable between a first position and a second position; the backrest is in a first position, and the backrest is perpendicular to the seat plate; the backrest is in a second position and is horizontal to the seat plate.

5. The sigma-shaped folding seat of claim 4 wherein said backrest is curved in the fit against the back of the person.

6. The sigma-shaped folding seat of claim 1 wherein the seat pan is curved with an inwardly concave surface for engaging the body.

7. The sigma-shaped folding seat of claim 1 wherein said footrest is a frame-like structure having an opening.

8. The sigma-shaped folding seat of claim 1 wherein said folding seat is closed and said extension is located inboard of said foot rest.