CN216723848U - Flat folding chair - Google Patents

Abstract

The application relates to the field of chairs, in particular to a flat folding chair, comprising: the inner sides of the two inner sides of the outer frame body are oppositely formed with convex parts; the inner frame body is arranged in the outer frame body, one end of the inner frame body is rotatably connected with the outer frame body, and the inner frame body can swing towards the two side surfaces of the outer frame body; the back plate is arranged in the outer frame body and is close to one end of the inner frame body connected with the outer frame body, and the back plate is rotatably connected in the outer frame body; the seat plate is arranged in the inner frame body, one end of the seat plate is rotatably connected with the inner frame body, and the seat plate can swing towards the two side surfaces of the inner frame body; the seat plate and the inner frame swing to the unfolding chair in the opposite direction relative to the outer frame, so that the lower side of the seat plate is pressed against the convex part and kept horizontal. This application has folding back occupation space little, improves the effect of leaning on the comfort level.

Description

Flat folding chair

Technical Field

The application relates to the field of chairs, in particular to a flat folding chair.

Background

The chair is a daily furniture, a seat with a backrest and armrests. The folding chair is an important type, and the folding chair has the functional advantages of being stackable, convenient to move and space-saving, and is applied to various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and the like.

Present folding chair is various and various, but still exists the volume after often folding too big, and space occupancy is too much, is difficult for putting, has perhaps satisfied folding function again, but has ignored the problem of user experience comfort level.

Disclosure of Invention

To address at least one of the above problems, the present application provides a flat folding chair.

The application provides a dull and stereotyped folding chair adopts following technical scheme:

a flat sheet folding chair, comprising:

the inner side edges of the two sides of the outer frame body are oppositely formed with convex parts;

the inner frame body is arranged in the outer frame body, one end of the inner frame body is rotatably connected with the outer frame body, and the inner frame body can swing towards the two side surfaces of the outer frame body;

the back plate is arranged in the outer frame body and is close to one end, connected with the outer frame body, of the inner frame body, and the back plate is rotatably connected in the outer frame body; and the number of the first and second groups,

the seat plate is arranged in the inner frame body, one end of the seat plate is rotatably connected with the inner frame body, and the seat plate can swing towards the directions of two side surfaces of the inner frame body;

the seat plate and the inner frame swing to the unfolding chair in the opposite direction relative to the outer frame, so that the lower side of the seat plate is pressed against the bulge and kept horizontal.

By adopting the technical scheme, when the folding chair needs to be stored, firstly, the seat board is swung to separate the seat board from the convex part of the outer frame body, then the inner frame body and the seat board are simultaneously rotated until the seat board is positioned in the inner frame body and the inner frame body is positioned in the outer frame body, then the back board is rotated until the outer frame body, the inner frame body, the back board and the seat board are positioned in the same vertical plane, the folding of the chair is completed at the moment, and the chair can be horizontally or vertically placed at a storage position for storage, so that the storage space is saved; when needs use the chair, take out the chair, with bedplate and the opposite direction swing of inner frame body tendency for outer frame body, realize that inner frame body and outer frame body set up relatively for vertical face slope, make the inner frame body, be the triangle-shaped structure between outer frame body and the downside ground, and make the bedplate downside support and press in the bulge and keep the horizontality, accomplish opening of folding chair this moment, after the user sits in the bedplate of chair, user's back can lean on the backplate, and the backplate will also follow user's back angle free rotation simultaneously, until adaptation user's back, improve user's back comfort level.

Optionally, the bedplate shaping has grafting portion, the inserting groove that runs through the bedplate has all been seted up to the width direction both sides on bedplate surface, the bulge is inserted and is located in the inserting groove, can restrict the chair and expand the back, the relative position of bedplate and outer frame body.

Through adopting above-mentioned technical scheme, during the use, rotate behind bedplate and the interior framework, make the bedplate be in the horizontality to make the bulge of outer framework and the grafting cooperation of bedplate, can realize that the relative position of bedplate and outer framework is fixed, stability when improving the chair expansion state.

Optionally, the back plate and the outer frame body are correspondingly provided with a first magnetic block capable of attracting each other, so as to limit the relative position of the back plate in the outer frame body.

Through adopting above-mentioned technical scheme, break away from the chair that expandes after the user, when folding the chair, the backplate can inter attraction with the first magnetic path of outer frame body to realize the backplate and at the internal relative position's of outer frame injecture, avoid the backplate for outer frame body free rotation, be convenient for depositing of chair fold condition.

Optionally, the seat plate and the inner frame body are correspondingly provided with a second magnetic block capable of attracting each other, so as to limit the relative position of the seat plate folded in the rear of the inner frame and the inner frame body.

Through adopting above-mentioned technical scheme, accomplish folding back with the chair, the bedplate can inter attraction with the second magnetic path of inner frame body to realize the limited of the relative position of bedplate and inner frame body, avoid bedplate and inner frame body free rotation, be convenient for depositing of chair fold condition.

Optionally, the inner frame and the outer frame are provided with third magnetic blocks capable of attracting each other correspondingly, and the third magnetic blocks are used for limiting the relative position of the inner frame and the outer frame after the inner frame is folded on the outer frame.

By adopting the technical scheme, after the chair is folded, the third magnets of the inner frame body and the outer frame body can attract each other, so that the relative position of the inner frame body and the outer frame body is limited, the inner frame body and the outer frame body are prevented from freely rotating, and the folded state of the chair is convenient to store.

Optionally, the back plate is provided with a first hole.

Through adopting above-mentioned technical scheme, folding the chair, can hang the chair in assigned position department through first hole to the parking space of further reduction chair.

Optionally, a second hole is provided on the seat plate.

Through adopting above-mentioned technical scheme, when unfolding the chair of fold condition, the user can be convenient pull or promote the bedplate through first hole and move for interior framework to the expansion of the chair of being convenient for.

Optionally, the two side surfaces of the inner frame body, the outer frame body, the back plate and the seat plate are respectively provided with different color coatings.

Through adopting above-mentioned technical scheme, adopt different chairs to expand the mode, can realize the different colours coating surface orientation users of chair to satisfy the different user demands of chair.

Optionally, the inner frame body is provided with an open part and a closed part in sequence along the length direction thereof;

the seat board is arranged in the closed part of the inner frame body;

two side edges of the opening part of the inner frame body are movably connected with the outer frame body.

Through adopting above-mentioned technical scheme, the interior framework that sets up is formed with enclosure and uncovered portion, and the bedplate can be held to the enclosure, and outside the connection of framework and outer framework in guaranteeing, the uncovered portion can reduce the volume of interior framework, and then reduces its weight, improves the portability.

Optionally, the protrusion includes:

the bearing plate is integrally formed on the inner side edge of the inner frame body; and the number of the first and second groups,

and the inserting plate is integrally formed on one side of the bearing plate close to the back plate.

Through adopting above-mentioned technical scheme, with the bedplate level expansion back, the loading board can accept the downside of expansion back bedplate, and the picture peg can insert in the grafting portion of locating the bedplate, realizes the stable support and the fixed of bedplate.

In summary, the present application includes at least one of the following beneficial technical effects:

when the folding chair needs to be stored, firstly, the seat board is swung to enable the seat board to be separated from the protruding part of the outer frame body, then the inner frame body and the seat board are simultaneously rotated until the seat board is positioned in the inner frame body and the inner frame body is positioned in the outer frame body, then the back board is rotated until the seat board is positioned in the same vertical plane, and at the moment, the folding of the chair is completed, so that the chair can be horizontally or vertically placed at a storage position for storage, and the storage space is saved; when needs use the chair, take out the chair, with bedplate and the opposite direction swing of inner frame body tendency for outer frame body, realize that inner frame body and outer frame body set up relatively for vertical face slope, make the inner frame body, be the triangle-shaped structure between outer frame body and the downside ground, and make the bedplate downside support and press in the bulge and keep the horizontality, accomplish opening of folding chair this moment, after the user sits in the bedplate of chair, user's back can lean on the backplate, and the backplate will also follow user's back angle free rotation simultaneously, until adaptation user's back, improve user's back comfort level.

When the chair is used, the seat board is in a horizontal state after the seat board and the inner frame body are rotated, and the convex part of the outer frame body is in inserting fit with the inserting part of the seat board, so that the relative position fixation of the seat board and the outer frame body can be realized, and the stability of the chair in an unfolding state is improved.

After finishing folding with the chair, the bedplate can inter attraction with the first magnetic path of interior framework to realize the injecing of the relative position of bedplate and interior framework, avoid bedplate and interior framework free rotation, be convenient for depositing of chair fold condition.

Drawings

FIG. 1 is a schematic view of a flat-bed foldable chair in a folded state according to an embodiment of the present application;

FIG. 2 is a schematic view of the inner frame structure of the flat deckchair in the embodiment of the present application;

FIG. 3 is a schematic view of the flat-bed foldable chair in the unfolded state in the embodiment of the present application;

description of reference numerals: 1. an outer frame body; 11. a carrier plate; 12. inserting plates; 2. an inner frame body; 21. a bit escape part; 22. an open portion; 23. a second hinge shaft; 24. a closing part; 3. a back plate; 31. a first hinge shaft; 32. a first hole; 4. a seat plate; 41. a third hinge shaft; 42. inserting grooves; 43. a second hole; 5. a first magnetic block; 6. a second magnetic block; 7. and a third magnetic block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a flat folding chair.

Referring to fig. 1, a flat folding chair includes an outer frame 1, an inner frame 2, a back plate 3, and a seat plate 4.

Referring to fig. 1, the entire outer frame 1 has a rectangular frame-like structure, and in order to reduce the collision of the outer frame 1 and reduce the stress concentration at the corners, the corners of the inner and outer sides of the outer frame 1 may be treated with transition rounded corners.

Referring to fig. 1, the middle portions of two inner side edges of the outer frame 1 in the length direction are oppositely formed with protruding portions, and each protruding portion includes a bearing plate 11 and an insert plate 12. The bearing plate 11 is integrally formed on the inner side of the outer frame 1, the bearing plate 11 is of a right-angled triangle-like structure, and a right-angled side of the bearing plate 11 is connected with the outer frame 1. The inserting plate 12 is of a similar rectangular structure, and the inserting plate 12 is integrally formed at one end of the other right-angle side of the bearing plate 11 far away from the inner side edge of the outer frame body 1.

Referring to fig. 1, backplate 3 is arranged in one end of outer frame 1 towards picture peg 12, backplate 3 wholly is rectangle platelike structure, the length direction of the length direction perpendicular to outer frame 1 of backplate 3, the length direction both ends symmetry of backplate 3 is provided with first articulated shaft 31, the axis direction of two first articulated shafts 31 is the same with the length direction of backplate 3, and first articulated shaft 31 all articulates between the inboard side of 3 tip of backplate and outer frame 1, thereby realize that backplate 3 can rotate for outer frame 1, in order to adapt to different demands.

Referring to fig. 1, for further satisfying the folding condition of the chair, the back plate 3 is limited in the outer frame 1, so as to avoid the movement of the back plate 3, the two ends of the length direction of the back plate 3 and the positions of the two inner sides of the outer frame 1 corresponding to the two ends of the length direction of the back plate 3 can be fixed with the first magnetic blocks 5, the first magnetic blocks 5 at the two ends of the back plate 3 are respectively adsorbed with the first magnetic blocks 5 at the two sides of the outer frame 1, so that the limitation of the relative positions of the back plate 3 and the outer frame 1 can be realized when the chair is folded.

Referring to fig. 1, the inner frame 2 is placed inside the outer frame 1, the longitudinal direction of the inner frame 2 is the same as the longitudinal direction of the outer frame 1, and the inner frame 2 and the back plate 3 are arranged along the longitudinal direction of the outer frame 1.

Referring to fig. 1 and 2, the inner frame 2 is recessed toward the middle of the inner frame 2 in the width direction corresponding to the two protruding portions of the outer frame 1 to form a relief portion 21, and the middle of one end of the inner frame 2 close to the back plate 3 is recessed to form an open portion 22, so that the end of the inner frame 2 close to the back plate 3 is in a U-like structure. Two outside limits of 2 length direction of inner frame bodies are close to all to be provided with second articulated shaft 23 between one end and the two inboard limits of outer frame body 1 of backplate 3, and second articulated shaft 23 articulates in outer frame body 1 and inner frame body 2 to the one end that the backplate 3 was kept away from to realization inner frame body 2 can tend to the arbitrary swing of outer frame body 1's both sides surface orientation, thereby can make and be the triangle-shaped structure between inner frame body 2, outer frame body 1 and the ground.

Referring to fig. 1 and 2, the end of the inner frame 2 remote from the open portion 22 is formed with a closed loop in which a closed portion 24 is formed.

Referring to fig. 1 and 2, in order to further realize the folded state, the inner frame 2 is limited in the inner position of the outer frame 1, so that the inner frame 2 is prevented from rotating freely, the second magnetic blocks 6 can be fixed at the relative positions of one end of the two outer sides of the inner frame 2, which are far away from the back plate 3, and the inner side of the outer frame 1, and the two second magnetic blocks 6 arranged between the inner frame 2 and the outer frame 1 can be mutually adsorbed. Therefore, after the inner frame body 2 is folded in the outer frame body 1, the inner frame body 2 is prevented from freely moving relative to the outer frame body 1 through mutual adsorption of the second magnetic blocks 6, and position limitation of the inner frame body and the outer frame body is achieved.

Referring to fig. 1 and 3, the seat board 4 is disposed in the closed portion 24 of the inner frame 2, the overall shape of the seat board 4 is similar to that of the closed portion 24, the length direction of the seat board 4 is the same as that of the outer frame 1, third hinge shafts 41 are disposed between two inner sides of the closed portion 24 of the inner frame 2 and one ends of the two sides of the seat board 4 close to the back board 3, and the third hinge shafts 41 are hinged to the seat board 4 and the inner frame 2, so that one side of the seat board 4 away from the back board 3 can swing arbitrarily relative to the surface directions of the two sides of the inner frame 2. The width direction both sides on bedplate 4 surface still all set up the inserting groove 42 that runs through bedplate 4, form grafting portion for cooperate with the bulge of outer frame 1.

Referring to fig. 1 and 3, when the chair needs to be unfolded, the seat plate 4 and the inner frame 2 are swung in opposite directions relative to the outer frame 1, the outer frame 1 and the inner frame 2 are relatively inclined relative to the vertical surface, the seat plate 4 is swung to be in a horizontal state, the lower side of the seat plate 4 abuts against the upper side of the bearing plate 11 of the inner frame 2, the inserting plate 12 of the inner frame 2 is inserted into the inserting groove 42 of the seat plate 4, and the unfolded state of the chair is completed. At this moment, inner frame body 2, outer frame body 1 and ground are triangle-shaped firm state, and 11 upsides of loading board butt bedplate 4 downside provide the holding power for bedplate 4, and picture peg 12 inserts and locates in inserting groove 42 and realizes that the relative position of bedplate 4, outer frame body 1 and inner frame body 2 is fixed, guarantees user's safety, and backplate 3 rotates the back angle that can the self-adaptation user, improves the comfort level. After use, the inner frame 2, the outer frame 1, the seat plate 4, and the back plate 3 are reset.

Referring to fig. 1 and 3, in order to further realize the folded state, the seat plate 4 is limited in the inner position of the inner frame 2, so that the seat plate 4 is prevented from rotating freely, the third magnetic blocks 7 can be fixed at the relative positions of the two side edges of the seat plate 4 and the two inner side edges of the inner frame 2, and the seat plate 4 and the two third magnetic blocks 7 arranged in the inner frame 2 relatively can be mutually adsorbed. Therefore, after the seat plate 4 is folded in the inner frame body 2, the seat plate 4 is prevented from freely moving relative to the inner frame body 2 through the mutual adsorption of the third magnetic blocks 7, and the position limitation of the seat plate and the inner frame body is realized.

Referring to fig. 1 and 3, secondly, in order to accommodate the folded chair, the back plate 3 is provided with a first hole 32 penetrating through the chair for penetrating through the hanging piece, so that the hanging of the chair can be realized, and the occupied space is further reduced.

Referring to fig. 1 and 3, in order to facilitate the seat board 4 to swing relative to the inner frame 2, a second hole 43 may be further formed on the seat board 4, so that a user can manually push or pull the seat board 4 to swing.

Referring to fig. 1 and 3, secondly, in order to meet different user requirements and improve the aesthetic degree of the chair, the surfaces of the two sides of the outer frame 1, the inner frame 2, the seat plate 4 and the back plate 3 can be coated with different color coatings respectively, so as to meet different requirements of different users for folding and using the chair.

The implementation principle of the flat folding chair in the embodiment of the application is as follows:

when the folding chair needs to be stored, firstly, the seat board 4 is swung to enable the seat board 4 to be separated from the protruding part of the outer frame body 1, then the inner frame body 2 and the seat board 4 are simultaneously rotated until the seat board 4 is positioned in the inner frame body 2, the inner frame body 2 is positioned in the outer frame body 1, then the back board 3 is rotated until the outer frame body 1, the inner frame body 2, the back board 3 and the seat board 4 are positioned in the same vertical plane, the folding of the chair is completed at the moment, and the chair can be horizontally or vertically placed at a storage position for storage, so that the storage space is saved; when needs use the chair, take out the chair, with bedplate 4 and the opposite direction swing of interior framework 2 for outer framework 1 trend, realize interior framework 2 and the relative setting of outer framework 1 for vertical face slope, make interior framework 2, be the triangle-shaped structure between outer framework 1 and the downside ground, and make the grafting portion of bedplate 4 and the cooperation of outer framework 1's bulge, keep bedplate 4 horizontality, accomplish opening of folding chair this moment, after the user sits behind bedplate 4 of chair, user's back can lean on backplate 3, and backplate 3 also will rotate along with user's back angle is free simultaneously, until adaptation user's back, improve user's comfort level back.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A flat sheet folding chair, comprising:

the frame comprises an outer frame body (1), wherein convex parts are oppositely formed on two inner side edges of the outer frame body (1);

the inner frame body (2) is arranged in the outer frame body (1), one end of the inner frame body (2) is rotatably connected to the outer frame body (1), and the inner frame body (2) can swing towards the directions of two side surfaces of the outer frame body (1);

the back plate (3) is arranged in the outer frame body (1) and is close to one end, connected with the outer frame body (1), of the inner frame body (2), and the back plate (3) is rotatably connected into the outer frame body (1); and the number of the first and second groups,

the seat plate (4) is arranged in the inner frame body (2), one end of the seat plate (4) is rotatably connected with the inner frame body (2), and the seat plate (4) can swing towards the directions of two side surfaces of the inner frame body (2);

the seat plate (4) and the inner frame body (2) tend to swing in opposite directions relative to the outer frame body (1) until the chair is unfolded, so that the lower side of the seat plate (4) is pressed against the protruding part and kept horizontal.

2. The flat panel folding chair of claim 1 wherein: inserting grooves (42) penetrating through the seat plate (4) are formed in two sides of the surface of the seat plate (4) in the width direction, and the protruding portions are inserted into the inserting grooves (42) and can limit the relative position of the seat plate (4) and the outer frame body (1) after the chair is unfolded.

3. The flat plate folding chair as claimed in claim 1, wherein: the back plate (3) and the outer frame body (1) are correspondingly provided with first magnetic blocks (5) capable of attracting each other, and the first magnetic blocks are used for limiting the relative position of the back plate (3) in the outer frame body (1).

4. The flat plate folding chair as claimed in claim 1, wherein: the seat plate (4) and the inner frame body (2) are correspondingly provided with second magnetic blocks (6) capable of attracting each other, and the second magnetic blocks are used for limiting the relative position of the seat plate (4) and the inner frame body (2) after the seat plate (4) is folded on the inner frame body (2).

5. The flat panel folding chair of claim 1 wherein: the inner frame body (2) and the outer frame body (1) are correspondingly provided with third magnetic blocks (7) capable of attracting each other, and the third magnetic blocks are used for limiting the relative position of the inner frame body (2) and the outer frame body (1) after the inner frame body (2) is folded on the outer frame body (1).

6. The flat plate folding chair as claimed in claim 1, wherein: the back plate (3) is provided with a first hole (32).

7. The flat panel folding chair of claim 1 wherein: the seat plate (4) is provided with a second hole (43).

8. The flat panel folding chair of claim 1 wherein: the two side surfaces of the inner frame body (2), the outer frame body (1), the back plate (3) and the seat plate (4) are respectively provided with different color coatings.

9. The flat plate folding chair as claimed in claim 1, wherein: the inner frame body (2) is sequentially provided with an open part (22) and a closed part (24) along the length direction;

the seat plate (4) is arranged in the closed part (24) of the inner frame body (2);

two side edges of the opening part (22) of the inner frame body (2) are movably connected with the outer frame body (1).

10. The flat deckchair of claim 1, wherein said projection comprises:

the bearing plate (11) is integrally formed on the inner side edge of the inner frame body (2); and the number of the first and second groups,

the inserting plate (12) is integrally formed on one side of the bearing plate (11) close to the back plate (3).

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