Double folding chair

Abstract

The utility model discloses a double folding chair which comprises a chair body, the chair body comprises three front vertical rods and three rear leaning rods, two groups of symmetrical arc leaning frames are connected above the two front vertical rods and the three rear leaning rods which are not adjacent in the front row, and two crossed side supporting rods are movably connected between the front vertical rods and the rear leaning rods which are adjacent in the front-back direction. Two crossed front supporting rods are movably connected between every two adjacent front vertical rods, and two crossed rear supporting rods are movably connected between every two adjacent rear leaning rods. The six longitudinal supporting rods, the arc-shaped symmetrical leaning rods and the cross folding structure are in linkage fit connection to form the double folding chair, the structure is simple, operation is convenient, a user can flexibly and smoothly fold and unfold the double folding chair, space is saved after the double folding chair is folded, in addition, the cup holder can rotate and fold in multiple directions, and the cup holder is convenient to use. Therefore, the requirements of different user groups are met to the greatest extent, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to a double folding chair. Background Art

[0002] At present, the double sofas or double chairs on the market are large in size, often bulky, and generally have a fixed structure and cannot be folded and stored, which not only takes up a large space but is also inconvenient to carry. Therefore, people need a double sofa or double chair that can be easily folded. Summary of the invention

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a double folding chair.

[0004] The utility model is realized by the following technical solutions:

[0005] A double folding chair comprises a chair body, wherein the chair body comprises three front upright poles and three rear leaning poles, two groups of symmetrical and arc-shaped leaning frames are connected above two non-adjacent front upright poles and three rear leaning poles in the front row, two crossed side support poles are movably connected between the front and rear adjacent front upright poles and the rear leaning poles, two crossed front support poles are movably connected between two adjacent front upright poles, and two crossed rear support poles are movably connected between two adjacent rear leaning poles.

[0006] In the embodiment of the utility model, the side support rods are provided with three groups and two crossed side support rods are pivotally connected in the middle, the front support rods are provided with two groups and two crossed front support rods are pivotally connected in the middle, and the rear support rods are provided with two groups and two crossed rear support rods are pivotally connected in the middle;

[0007] One end of the two groups of frames are symmetrically hinged to the upper end of a rear leaning rod in the middle of the rear row, and the other ends of the two groups of frames are movably connected to the upper ends of two non-adjacent front upright rods in the front row. Each group of frames is configured into three parts and each part is hinged by a connecting block.

[0008] In an embodiment of the utility model, the front upright rod of the chair body is a telescopic rod, the lower ends of the front upright rod and the rear leaning rod are both provided with a base, the upper end of the front upright rod is provided with a front connecting seat, the middle part of the rear leaning rod is provided with a slidable rear connecting seat, the upper part of the rear leaning rod is hinged to the back frame through a connecting piece, and the upper ends of the two non-adjacent front upright rods in the front row pass through the front connecting seat and are connected to the front end of the back frame.

[0009] In an embodiment of the utility model, the front support rod or the rear support rod or the side support rod is pivotally connected between the front connecting seat or the rear connecting seat and the base, the upper end of the front support rod or the rear support rod or the side support rod is hinged to the front connecting seat or the rear connecting seat and is located below the front connecting seat or the rear connecting seat, and the lower end of the front support rod or the rear support rod or the side support rod is pivotally connected to the base and is located above the base.

[0010] In an embodiment of the utility model, the connecting block of the backrest includes a first connecting block and a second connecting block. The first connecting block is provided on the rod portion of the backrest connecting two adjacent rear leaning rods, and the second connecting block is provided on the rod portion of the backrest connecting the rear leaning rod and the front upright rod, so that the backrest can be divided into three parts by the connecting blocks to achieve foldability.

[0011] In the embodiment of the utility model, the two support frames are symmetrically arranged to form a "heart" shape.

[0012] In an embodiment of the utility model, the two support frames form an opening between the two non-adjacent front uprights, and the two non-adjacent front uprights are connected at the opening and extend forward to form an armrest.

[0013] In the embodiment of the utility model, the front upright pole is provided with a locking mechanism at the extension position, and the locking mechanism can control the length of the front upright pole.

[0014] In an embodiment of the utility model, at least one cup holder is included, and the cup holder includes a cup body and a transfer portion.

[0015] In the embodiment of the utility model, a notch is provided at the opening of the upper end of the cup body, the adapter portion is provided with a pivotally connected connecting portion and a rotating portion, and the rotating portion is not pivotally connected to one end of the connecting portion and can be rotatably sleeved on the front vertical rod, so that the cup body can rotate horizontally with the front vertical rod as the axis;

[0016] The connecting part and the rotating part are arranged in a buckle-fitting manner and are perpendicular to each other after being unfolded. One end of the connecting part is connected to an end of the notch that is radially symmetrical along the cup mouth. After the connecting part and the rotating part are folded and buckled, the notch can be embedded in the front upright pole to complete the folding.

[0017] In an embodiment of the utility model, at least one cup holder is included, and the cup holder includes a cup body and a transfer portion.

[0018] In the embodiment of the utility model, a notch is provided at the opening of the upper end of the cup body, the adapter portion is provided with a pivotally connected connecting portion and a rotating portion, and the rotating portion is not pivotally connected to one end of the connecting portion and can be rotatably sleeved on the front vertical rod, so that the cup body can rotate horizontally with the front vertical rod as the axis;

[0019] The connecting part and the rotating part are arranged in a buckle-fitting manner and are perpendicular to each other after being unfolded. One end of the connecting part is connected to an end of the notch that is radially symmetrical along the cup mouth. After the connecting part and the rotating part are folded and buckled, the notch can be embedded in the front upright pole to complete the folding.

[0020] The double folding chair of the utility model has the following beneficial effects: the double folding chair is formed by the linkage and cooperation of six longitudinal support rods, arc-shaped symmetrical leaning rods and a cross-folding structure, the structure is simple, the operation is convenient, and the user can fold and unfold it flexibly and smoothly for use, and the space is saved after folding. In addition, the cup holder can be rotated and folded in various directions, thereby meeting the needs of different user groups to the greatest extent and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a stereoscopic view of the unfolded state in the embodiment.

[0023] Figure 2 It is a three-dimensional diagram of the embodiment in a semi-folded state.

[0024] Figure 3 In the embodiment Figure 1 Schematic diagram of the disassembly at point A.

[0025] Figure 4 In the embodiment Figure 1 Disassembly diagram of point B.

[0026] Figure 5 In the embodiment Figure 1 Schematic diagram of the disassembly at point C.

[0027] Figure 6 It is a three-dimensional diagram of the folded state in the embodiment.

[0028] Figure 7 It is the main view of the expanded state in the embodiment.

[0029] Figure 8 It is a rear view of the embodiment in the unfolded state.

[0030] Fig. 9 3 is a top view of the embodiment in the unfolded state.

[0031] In the figure, 1-chair body, 11-front upright rod / telescopic rod, 12-rear leaning rod, 13-backrest, 131-armrest, 132-opening, 14-side support rod, 15-front support rod, 16-rear support rod, 17-base, 18-front connecting seat, 19-rear connecting seat;

[0032] 2-connection block, 21-first connection block, 22-second connection block;

[0033] 3-Connectors;

[0034] 4-cup holder, 41-cup body, 411-notch, 42-adapter, 421-connector, 422-rotating part. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] The term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. Moreover, the terms "first", "second", etc. are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here.

[0037] Reference Manual Attached Figure 1-9The utility model provides a double folding chair, including a chair body 1, the chair body 1 includes three front uprights 11 and three back leaning bars 12, two groups of symmetrical and arc-shaped backrests 13 are connected above the two front uprights 11 and three back leaning bars 12 that are not adjacent in the front row, so that the two groups of arc-shaped backrests 13 are hinged with five longitudinal support bars (front uprights 11 and back leaning bars 12) to form a double seat space. At the same time, there are 7 groups of cross-folding structures for providing support for unfolding and guidance and traction for folding, specifically: two cross-side support bars 14 are movably connected between the front and rear adjacent front uprights 11 and the back leaning bars, two cross-front support bars 15 are movably connected between the two adjacent front uprights 11, and two cross-rear support bars 16 are movably connected between the two adjacent back leaning bars. Therefore, the chair body 1 is linked by hingedly cooperating with the front upright rod 11, the rear leaning rod 12 and the cross rod group. When in use, the user can unfold and fold the chair body 1 to achieve different purposes. The connected double chair body 1 can be used by two people, and the structure is more solid after unfolding, which improves the comfort of the user when using it.

[0038] Based on the above technical solution, specifically, the side support rods 14 are provided with three groups and two crossed side support rods 14 are pivoted in the middle, the front support rods 15 are provided with two groups and two crossed front support rods 15 are pivoted in the middle, and the rear support rods 16 are provided with two groups and two crossed rear support rods 16 are pivoted in the middle. The above cross-folding structure facilitates the folding chair to provide strong support when unfolding and provide good guiding force and traction when folding.

[0039] In a preferred embodiment, one end of the two groups of back frames 13 are symmetrically hinged to the upper end of a rear leaning rod 12 in the middle of the rear row. It can be understood that the two groups of back frames 13 are hinged to the rear leaning rod 12 located in the middle, which is not only convenient for folding but also has a simple, symmetrical structure, is simple, generous and beautiful; at the same time, the other ends of the two groups of back frames 13 are respectively movably connected to the upper ends of two non-adjacent front uprights 11 in the front row, specifically, the other ends of the two groups of back frames 13 are hinged to the upper ends of the front uprights 11 on both sides of the front row of the chair body 1; wherein each group of back frames 13 is arranged in three parts and each part is hinged by a connecting block 2, that is, each group of back frames 13 is divided into three sections and then hinged together, and then hinged to the middle rear leaning rod 12 by a connecting member 3, and the front end is hinged to the front uprights 11 on both sides of the front row by a connecting member 3.

[0040] In the embodiment of the utility model, the front upright rod 11 of the chair body 1 is preferably a telescopic rod 11, such as Figure 2As shown, a telescopic sleeve member is specifically optional, the lower ends of the front upright rod 11 and the rear leaning rod 12 are both provided with a base 17, the upper end of the front upright rod 11 is provided with a front connecting seat 18, the middle part of the rear leaning rod 12 is provided with a slidable rear connecting seat 19, the upper part of the rear leaning rod 12 is hinged to the leaning frame 13 through a connecting member 3, and the upper ends of the two non-adjacent front upright rods 11 in the front row pass through the front connecting seat 18 and are connected to the front end of the leaning frame 13. In this way, the chair body 1 can be easily and smoothly unfolded or folded. When the front support rod 15 is stretched upward, the chair body 1 can be folded together; when the front support rod 15 is shortened downward, the chair body 1 can be unfolded together.

[0041] For the same purpose, seven groups of cross-folding structures are realized by connecting seats or sliding connecting seats to realize smooth folding and unfolding. Specifically, a front support rod 15 or a rear support rod 16 or a side support rod 14 is pivotally connected between the front connecting seat 18 or the rear connecting seat 19 and the base 17. The upper ends of the front support rod 15 or the rear support rod 16 or the side support rod 14 are hinged to the front connecting seat 18 or the rear connecting seat 19 and are located below the front connecting seat 18 or the rear connecting seat 19. The lower ends of the front support rod 15 or the rear support rod 16 or the side support rod 14 are pivotally connected to the base 17 and are located above the base 17.

[0042] Specifically, the connection block 2 of the frame 13 includes a first connection block 212 and a second connection block 222. The first connection block 212 is provided at the rod portion of the frame 13 connecting two adjacent rear leaning rods 12, and the second connection block 222 is provided at the rod portion of the frame 13 connecting the rear leaning rod 12 and the front upright rod 11, so that the frame 13 is divided into three parts by the connection block 2 to achieve foldability. It can be understood that the connection block 2 of the frame 13 can be folded with the chair body 1 and can maintain the frame 13 in an arc shape when unfolded.

[0043] In a preferred embodiment, the two backrests 13 are symmetrically arranged and can form a "heart" shape when unfolded, and can also be symmetrically folded to save space when folded. Such a design can provide a comfortable seat space and a leaning arc for the double chair while also being aesthetically pleasing.

[0044] It can be understood that the two backrests 13 form an opening 132 between the two non-adjacent front uprights 11, and the opening 132 allows for a seat entry and exit space, and the front connecting seat 18 movably connects the front uprights 11 on both sides of the front row to provide a connection space for easy folding and unfolding. In this way, the two backrests 13 connect the two non-adjacent front uprights 11 at the opening 132 and extend to the front section to form an armrest portion 131, thereby improving the user's comfort and meeting the gripping needs.

[0045] Furthermore, the front upright pole 11 is provided with a locking mechanism (not shown in the figure) at the telescopic position, and the locking mechanism can control the length of the front upright pole 11. Currently, any device that can achieve the limit locking of the telescopic pole 11 will do.

[0046] In addition, the present solution includes at least one cup holder 4, which includes a cup body 41 and a transfer portion 42, providing a storage space for the user.

[0047] In a preferred embodiment, a notch 411 is provided at the opening 132 at the upper end of the cup body 41, and the adapter portion 42 is provided with a pivotally connected connection portion 421 and a rotating portion 422. One end of the rotating portion 422 that is not the pivotally connected connection portion 421 can be rotatably sleeved on the front vertical rod 11. Optionally, as shown in the figure, the upper end of the rotating portion 422 is a ring portion, and then the rotating portion 422 is pivotally connected to the connection portion 421 through a bending portion that is 90° to the ring portion, so that the cup body 41 can rotate horizontally with the front vertical rod 11 as the axis.

[0048] Specifically, the connecting portion 421 and the rotating portion 422 are arranged to be buckled and are perpendicular to each other after being unfolded. One end of the connecting portion 421 is connected to the notch 411 which is radially symmetrical to the other end of the cup mouth. It can be understood that the width of the notch 411 can be optionally consistent with or slightly larger than the diameter of the front upright 11, so that after the connecting portion 421 and the rotating portion 422 are folded and buckled, the notch 411 can be nested in the front upright 11 to complete folding and storage.

[0049] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A double folding chair, comprising a chair body, characterized in that: The chair body includes three front uprights and three rear leaning rods, two groups of symmetrical and arc-shaped backrests are connected above the two non-adjacent front uprights and three rear leaning rods in the front row, two crossed side support rods are movably connected between the front and rear adjacent front uprights and the rear leaning rods, two crossed front support rods are movably connected between two adjacent front uprights, and two crossed rear support rods are movably connected between two adjacent rear leaning rods.

2. A double folding chair according to claim 1, characterized in that: The side support rods are provided with three groups and two crossed side support rods are pivotally connected in the middle, the front support rods are provided with two groups and two crossed front support rods are pivotally connected in the middle, and the rear support rods are provided with two groups and two crossed rear support rods are pivotally connected in the middle; One end of the two groups of frames are symmetrically hinged to the upper end of a rear leaning rod in the middle of the rear row, and the other ends of the two groups of frames are movably connected to the upper ends of two non-adjacent front upright rods in the front row. Each group of frames is configured into three parts and each part is hinged by a connecting block.

3. A double folding chair according to any one of claims 1-2, characterized in that: The front upright rod of the chair body is a telescopic rod, and the lower ends of the front upright rod and the rear leaning rod are both provided with a base, the upper end of the front upright rod is provided with a front connecting seat, and the middle part of the rear leaning rod is provided with a slidable rear connecting seat, the upper part of the rear leaning rod is hinged to the frame through a connecting piece, and the upper ends of the two non-adjacent front upright rods in the front row pass through the front connecting seat and are connected to the front end of the frame.

4. A double folding chair according to claim 3, characterized in that: The front support rod, the rear support rod or the side support rod is pivotally connected between the front connecting seat or the rear connecting seat and the base, the upper end of the front support rod, the rear support rod or the side support rod is hinged to the front connecting seat or the rear connecting seat and is located below the front connecting seat or the rear connecting seat, and the lower end of the front support rod, the rear support rod or the side support rod is pivotally connected to the base and is located above the base.

5. A double folding chair according to claim 2, characterized in that: The connecting block of the backrest includes a first connecting block and a second connecting block. The first connecting block is set at the rod portion of the backrest connecting two adjacent rear rods, and the second connecting block is set at the rod portion of the backrest connecting the rear rod and the front upright rod, so that the backrest can be divided into three parts by the connecting blocks to achieve foldability.

6. A double folding chair according to claim 1, characterized in that: The two support frames are symmetrically arranged to form a "heart" shape.

7. A double folding chair according to claim 6, characterized in that: The two support frames form an opening between the two non-adjacent front upright poles, and the two non-adjacent front upright poles are connected at the opening and extend forward to form an armrest portion.

8. The double folding chair according to claim 3, characterized in that: The front upright pole is provided with a locking mechanism at the telescopic position, and the locking mechanism can control the length of the front upright pole.

9. A double folding chair according to any one of claims 1-2, 4-8, characterized in that: The invention comprises at least one cup holder, wherein the cup holder comprises a cup body and a transition part.

10. A double folding chair according to claim 9, characterized in that: A notch is provided at the opening of the upper end of the cup body, the transition part is provided with a pivotally connected connection part and a rotating part, and the rotating part is not pivotally connected to the end of the connection part which can be rotatably sleeved on the front vertical rod, so that the cup body can rotate horizontally with the front vertical rod as the axis; The connecting part and the rotating part are arranged in a buckle-fitting manner and are perpendicular to each other after being unfolded. One end of the connecting part is connected to an end of the notch that is radially symmetrical along the cup mouth. After the connecting part and the rotating part are folded and buckled, the notch can be embedded in the front upright pole to complete the folding.

11. A double folding chair according to claim 3, characterized in that: The invention comprises at least one cup holder, wherein the cup holder comprises a cup body and a transition part.

12. A double folding chair according to claim 11, characterized in that: A notch is provided at the opening of the upper end of the cup body, the transition part is provided with a pivotally connected connection part and a rotating part, and the rotating part is not pivotally connected to the end of the connection part which can be rotatably sleeved on the front vertical rod, so that the cup body can rotate horizontally with the front vertical rod as the axis; The connecting part and the rotating part are arranged in a buckle-fitting manner and are perpendicular to each other after being unfolded. One end of the connecting part is connected to an end of the notch that is radially symmetrical along the cup mouth. After the connecting part and the rotating part are folded and buckled, the notch can be embedded in the front upright pole to complete the folding.

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