Folding chair

Abstract

The utility model relates to a folding chair, and belongs to the technical field of tourism products. The chair comprises a front supporting leg frame, a chair seat frame hinged between two side arms of the front supporting leg frame, a chair back frame hinged with the chair seat frame through a first hinge piece, and a rear supporting leg frame hinged with the chair back frame through a second hinge piece, the armrests are hinged to the front supporting leg frame and the chair back frame respectively, the two bearing pieces are arranged on the chair seat frame and the chair back frame respectively, side arms of the chair seat frame are hinged to side arms of the rear supporting leg frame through third hinge pieces, and supporting parts used for supporting the side arms of the rear supporting leg frame are formed on the third hinge pieces. The folding chair has the effect of ensuring the compactness of the folding chair in a folded state and the stability of the folding chair in an unfolded state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of travel products, in particular to a folding chair. BACKGROUND

[0002] The folding chair is a common furniture product, which is widely used in family, office and outdoor activities.

[0003] The existing folding chair is formed by a plurality of hingedly connected supporting rods, and a supporting surface connected to the framework. When unfolded, the supporting rods provide support. When folded, the folding is achieved by rotating the supporting rods.

[0004] The present application provides another technical solution for unfolding and folding the folding chair, which provides multiple solutions for the technical personnel in the field to choose from. CONTENT OF THE UTILITY MODEL

[0005] In order to ensure the compactness of the folding chair in the folded state and the stability in the unfolded state, the present application provides a folding chair.

[0006] The folding chair provided by the present application adopts the following technical solution:

[0007] The folding chair comprises a front leg frame, a seat frame hingedly connected between two side arms of the front leg frame, a back frame hingedly connected to the seat frame through a first hinge, a rear leg frame hingedly connected to the back frame through a second hinge, an armrest hingedly connected to the front leg frame and the back frame respectively, and two load-bearing members respectively arranged on the seat frame and the back frame. The side arm of the seat frame is hingedly connected to the side arm of the rear leg frame through a third hinge, and a supporting portion for supporting the side arm of the rear leg frame is formed on the third hinge.

[0008] By adopting the above technical solution, the compactness of the folding chair in the folded state and the stability in the unfolded state are ensured. In particular, the supporting portion on the third hinge can effectively support the side arm of the rear leg frame when the folding chair is unfolded, thereby enhancing the stability of the overall structure, improving the comfort and safety of the user.

[0009] Preferably, the side arm of the rear leg frame is formed with a first bending section, and a first bending portion is formed at the connection between the side arm of the rear leg frame and the first bending section. The supporting portion supports the first bending portion.

[0010] By adopting the above technical solution, the supporting portion can support the first bending portion, thereby providing more stable support effect when the folding chair is unfolded, and enhancing the overall structural stability of the folding chair.

[0011] Preferably, the side arm of the rear leg frame is further formed with a second bending section, the connection between the first bending section and the second bending section forms a second bending part, the bending direction of the second bending part is opposite to the bending direction of the first bending part, so that the second bending section can be folded with the armrest.

[0012] By adopting the above technical scheme, the second bending section can be folded with the armrest, thereby effectively reducing the storage space of the folding chair in the folded state.

[0013] Preferably, the third hinge includes two symmetrically arranged hinge plates, the side arm of the rear leg frame is hinged between the two hinge plates, one end of the hinge plate away from the rear leg frame is hinged to the outside of the side arm of the seat frame, and the support part is located between the two hinge plates and at the connection between the hinge plate and the seat frame.

[0014] By adopting the above technical scheme, in the unfolded state of the folding chair, the support part can more stably support the side arm of the rear leg frame, thereby improving the overall stability of the folding chair.

[0015] Preferably, a storage bag for storing articles is detachably connected between the seat frame and the back frame.

[0016] By adopting the above technical scheme, the storage bag is provided to make the folding chair have an additional storage function, which is convenient for users to store articles; the detachable design of the storage bag improves the flexibility of use, and users can choose whether to install the storage bag according to actual needs.

[0017] Preferably, the two bending parts of the front leg frame and the two bending parts of the rear leg frame are fixedly connected with reinforcing members.

[0018] By adopting the above technical scheme, the reinforcing members are provided to enhance the bending resistance of the bending parts of the front leg frame and the rear leg frame, effectively improve the overall structural stability of the folding chair, and prolong the service life of the folding chair.

[0019] Preferably, support rods are connected between the two side arms of the seat frame and the two side arms of the back frame.

[0020] By adopting the above technical scheme, the two support rods are provided to respectively enhance the structural stability of the seat frame and the back frame.

[0021] Preferably, a flexible connecting member is sleeved on the support rod on the back frame.

[0022] By adopting the above technical scheme, the flexible connecting piece can constrain the parallel support rods, thereby avoiding the folding chair from being unfolded again during carrying. In addition, the flexible connecting piece improves the portability of the folding chair, and the user can easily pick up the folding chair by holding the two parallel support rods, thereby further enhancing the practicality of the product.

[0023] To sum up, the present application has at least one of the following beneficial technical effects:

[0024] 1. The compactness in the folded state and the stability in the unfolded state of the folding chair are ensured; in particular, the support part on the third hinge part can effectively support the side arm of the rear leg frame when the folding chair is unfolded, thereby enhancing the stability of the overall structure and improving the comfort and safety of the user;

[0025] 2. The support part can be supported on the first bending part, thereby providing more stable support effect when the folding chair is unfolded, and enhancing the overall structural stability of the folding chair;

[0026] 3. The second bending segment can be parallel to the armrest, thereby effectively reducing the storage space of the folding chair in the folded state. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the overall structure of the present application.

[0028] Figure 2 is Figure 1 a partial enlarged view of part A in FIG. 1.

[0029] Figure 3 is Figure 1 a partial enlarged view of part B in FIG. 1.

[0030] Figure 4 is Figure 1 a partial enlarged view of part C in FIG. 1.

[0031] Figure 5 is a schematic view of the folding chair frame of the present application in a half-folded state.

[0032] Figure 6 is a schematic view of the storage bag of the present application.

[0033] BRIEF DESCRIPTION OF DRAWINGS: 1, front leg frame; 2, rear leg frame; 21, hinge plate; 211, support part; 22, first bending segment; 221, first bending part; 23, second bending segment; 231, second bending part; 3, seat frame; 4, back frame; 41, first hinge part; 42, second hinge part; 5, armrest; 51, hinge seat; 6, carrier; 8, storage bag; 81, mounting part; 9, reinforcing part; 91, support rod; 911, flexible connecting piece. DETAILED DESCRIPTION

[0034] The accompanying drawings are incorporated in and constitute a part of this specification and will be understood by those skilled in the art. Figures 1-6 The present application is further described in detail.

[0035] The present application discloses a folding chair. Referring to Figure 1 and Figure 2 , the folding chair comprises a front leg frame 1, a rear leg frame 2, a seat frame 3, a back frame 4, two armrests 5 and two load-bearing members 6 respectively arranged on the seat frame 3 and the back frame 4; the seat frame 3 is located between two side arms of the front leg frame 1, and the side arms of the front leg frame 1 are hinged to the side arms of the seat frame 3; the end of the side arm of the front leg frame 1 is hinged to the bottom surface of the position corresponding armrest 5; the back frame 4 is located between the two armrests 5, and the back frame 4 is connected to the end of the armrest 5 away from the front leg frame 1, and the armrest 5 is hinged to the side arm of the back frame 4; the end of the side arm of the back frame 4 is hinged to the side arm of the seat frame 3 through a first hinge 41; the back frame 4 is located between two side arms of the rear leg frame 2, and the end of the side arm of the rear leg frame 2 is hinged to the side arm of the back frame 4 through a second hinge 42; the connection between the armrest 5 and the back frame 4 is located between the first hinge 41 and the second hinge 42. The side arm of the seat frame 3 is hinged to the side arm of the rear leg frame 2 through a third hinge, and when the folding chair is unfolded, the third hinge supports the side arm of the rear leg frame 2, so that the unfolded folding chair can be more stable.

[0036] The bottom surface of the armrest 5 and the end of the armrest 5 away from the back frame 4 are fixed with a hinge seat 51, the cross section of the hinge seat 51 is U-shaped and the opening of the hinge seat 51 is downward, the end of the side arm of the front leg frame 1 extends into the hinge seat 51, and the end of the side arm of the front leg frame 1 is hinged to the hinge seat 51, so as to realize the hinge between the front leg frame 1 and the armrest 5.

[0037] Referring to Figure 1 and Figure 2 , in this embodiment, the first hinge 41 is two first hinge pieces, the first hinge piece is connected between the side arm of the back frame 4 and the side arm of the seat frame 3, the two first hinge pieces are respectively fixed to the outer side of the two side arms of the back frame 4, and the end of the first hinge piece away from the back frame 4 is hinged to the outer side of the side arm of the seat frame 3, so as to realize the hinge between the back frame 4 and the seat frame 3 under the connection of the first hinge piece.

[0038] Referring to Figure 1 and Figure 3In the embodiment, the second hinge 42 is two second hinge plates, which are located between the side arms of the back frame 4 and the side arms of the rear leg frame 2, and the two second hinges 42 are fixed to the inner sides of the two side arms of the rear leg frame 2 respectively, and the ends of the second hinges 42 away from the rear leg frame 2 are hingedly connected to the outer sides of the side arms of the back frame 4, so that the back frame 4 and the rear leg frame 2 are hingedly connected through the second hinge plates.

[0039] Referring to Figure 4 and Figure 5 In the embodiment, the third hinge is provided with two groups, and each group of the third hinge is connected to the side arm of the rear leg frame 2; each group of the third hinge includes two symmetrically arranged hinge plates 21, the side arm of the rear leg frame 2 is located between the two hinge plates 21, and one end of the hinge plate 21 is hingedly connected to the side arm of the rear leg frame 2; the end of the hinge plate 21 away from the rear leg frame 2 is hingedly connected to the outer side of the side arm of the seat frame 3, and the support part 211 is formed between the two hinge plates 21 and at the connection between the hinge plate 21 and the seat frame 3, and the support part 211 supports on the side arm of the rear leg frame 2 when the folding chair is unfolded, so that the folding chair can be unfolded more stably.

[0040] The side arm of the rear leg frame 2 is sequentially formed with a first bending section 22 and a second bending section 23, the connection between the side arm of the rear leg frame 2 and the first bending section 22 forms a first bending part 221, and the end of the seat frame 3 away from the front leg frame 1 is bent upward, so that the support part 211 corresponds to the first bending part 221 when the folding chair is unfolded, so that the support part 211 can support on the first bending part 221 when the folding chair is unfolded. The connection between the first bending section 22 and the second bending section 23 forms a second bending part 231, the bending direction of the second bending part 231 is opposite to that of the first bending part 221, and the second hinge plate is fixed on the second bending section 23, so that the second bending section 23 is folded with the armrest 5 when the folding chair is folded, thereby reducing the storage space of the folding chair.

[0041] Referring to Figure 1 and Figure 6 The seat frame 3 and the back frame 4 are detachably connected with a storage bag 8 which is open upward and used for storing articles; the four corners of the storage bag 8 are fixed with mounting parts 81, and the storage bag 8 is detachably connected between the seat frame 3 and the back frame 4 through the four mounting parts 81.

[0042] The mounting part 81 at the opening of the storage bag 8 is detachably connected to the side arm of the back frame 4 and located between the support rod 91 and the carrier 6, and the mounting part 81 at the bottom of the storage bag 8 is detachably connected to the side arm of the seat frame 3 and located between the side arm of the back frame 4 and the side arm of the rear leg frame 2.

[0043] Each mounting piece 81 comprises a first mounting band and a second mounting band fixed at the corner of the storage bag 8, the first mounting band and the second mounting band are adhered by a first magic tape, the nap surface of the first magic tape is arranged on the side of the first mounting band, the hook surface of the first magic tape is arranged on the side of the second mounting band, the nap surface of the first magic tape and the hook surface of the first magic tape form surface contact adhesion, so that the storage bag 8 can be detachably connected between the seat frame 3 and the back frame 4.

[0044] Referring to Figure 1 and Figure 5 , in order to enhance the bending resistance of the bending parts of the front leg frame 1 and the bending parts of the rear leg frame 2, the two bending parts of the front leg frame 1 and the two bending parts of the rear leg frame 2 are fixedly connected with the obliquely arranged reinforcing pieces 9.

[0045] The support rods 91 are rotatably connected between the two side arms of the seat frame 3 and the two side arms of the back frame 4, the support rods 91 on the seat frame 3 are arranged between the two side arms of the seat frame 3 and located at the opening of the seat frame 3, so as to enhance the structural stability of the seat frame 3; the support rods 91 on the back frame 4 are arranged between the two side arms of the back frame 4 and located at the top of the back frame 4, so as to enhance the structural stability of the back frame 4.

[0046] When the folding chair is folded, the support rods 91 on the seat frame 3 and the support rods 91 on the back frame 4 are converged, and the user can hold the two converged support rods 91 to lift the folding chair, which not only prevents the folded folding chair from being unfolded again, but also facilitates carrying the folding chair.

[0047] The flexible connecting piece 911 is sleeved on the support rod 91 on the back frame 4, the second magic tape is arranged on the flexible connecting piece 911, the nap surface of the second magic tape is arranged on the front side of one side of the flexible connecting piece 911, the hook surface of the second magic tape is arranged on the back side of the other side of the flexible connecting piece 911, and the nap surface of the second magic tape and the hook surface of the second magic tape form surface contact adhesion, so as to constrain the two converged support rods 91.

[0048] The implementation principle of the folding chair is that in the process of folding the folding chair, the back frame 4 is inclined to the seat frame 3, the rear leg frame 2 is rotated around the second hinge piece, and the hinge point between the front leg frame 1 and the seat frame 3 is gradually closed. When the side arm of the seat frame 3 is folded with the third hinge piece, the second bending section 23 of the rear leg frame 2 is converged with the armrest 5, and finally a compact folding state is formed; at this time, the support rods 91 on the seat frame 3 and the support rods 91 on the back frame 4 are converged, and the user can hold the converged support rods 91 to lift the folding chair.

[0049] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A folding chair, characterized by: The chair comprises a front leg frame (1), a seat frame (3) hingedly connected between two side arms of the front leg frame (1), a back frame (4) hingedly connected to the seat frame (3) through a first hinge (41), a rear leg frame (2) hingedly connected to the back frame (4) through a second hinge (42), an armrest (5) hingedly connected to the front leg frame (1) and the back frame (4) respectively, and two load bearing members (6) arranged on the seat frame (3) and the back frame (4) respectively, wherein the side arms of the seat frame (3) are hingedly connected to the side arms of the rear leg frame (2) through a third hinge, and a supporting portion (211) is formed on the third hinge for supporting the side arms of the rear leg frame (2).

2. A folding chair according to claim 1, characterized in that: The side arms of the rear leg frame (2) are formed with a first bending section (22), and a first bending portion (221) is formed at the connection between the side arms of the rear leg frame (2) and the first bending section (22), and the supporting portion (211) supports the first bending portion (221).

3. A folding chair according to claim 2, wherein: The side arms of the rear leg frame (2) are further formed with a second bending section (23), and a second bending portion (231) is formed at the connection between the first bending section (22) and the second bending section (23), and the bending direction of the second bending portion (231) is opposite to that of the first bending portion (221), so that the second bending section (23) can be folded with the armrest (5).

4. The folding chair of claim 1, wherein: The third hinge comprises two symmetrically arranged hinge plates (21), the side arms of the rear leg frame (2) are hingedly connected between the two hinge plates (21), one end of the hinge plate (21) away from the rear leg frame (2) is hingedly connected to the outside of the side arms of the seat frame (3), the supporting portion (211) is located between the two hinge plates (21), and the supporting portion (211) is located at the connection between the hinge plate (21) and the seat frame (3).

5. The folding chair of claim 1, wherein: A storage bag (8) for storing articles is detachably connected between the seat frame (3) and the back frame (4).

6. The folding chair of claim 1, wherein: The two bending portions of the front leg frame (1) and the two bending portions of the rear leg frame (2) are fixedly connected with reinforcing members (9).

7. The folding chair of claim 1, wherein: Supporting rods (91) are connected between the two side arms of the seat frame (3) and the two side arms of the back frame (4).

8. A folding chair according to claim 7, characterized in that: Flexible connecting members (911) are sleeved on the supporting rods (91) arranged on the back frame (4).

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