Supporting structure of folding chair

Abstract

The utility model relates to the technical field of deck chairs, in particular to a supporting structure of a folding chair, which comprises a U-shaped supporting rod, and the tops of two vertical rods of the U-shaped supporting rod are hinged with the upper end of a leaning rod; the vertical rod is positioned below the hinged point of the vertical rod and the leaning rod and is hinged with one end of an L-shaped rod; the other end of the L-shaped rod is hinged with one end of a first connecting plate, and the other end of the first connecting plate is fixed on the seat rod; the leaning rod is located below the hinged point of the leaning rod and the vertical rod and is hinged to a second connecting plate, and the second connecting plate is provided with a sliding channel. A sliding rod is fixed to the vertical rod and located below the hinged point of the vertical rod and the L-shaped rod, and the sliding rod penetrates through the sliding channel. According to the folding chair, the U-shaped supporting rod can be automatically opened when the folding chair is converted into a lying mode, so that a user can conveniently use the folding chair.

Description

TECHNICAL FIELD

[0001] The utility model relates to deck chair technical field, especially a support structure of folding chair. BACKGROUND

[0002] Folding deck chair is a kind of furniture that is convenient to carry and store, usually designed as smaller size when folding, to save space when not in use. They are often used for outdoor activities, such as camping, beach or backyard leisure, also suitable for indoor use, such as living room or balcony. Folding deck chair has various designs, some with adjustable backrest, allowing people to adjust from sitting to lying, some with footstool or small table on the side, increasing comfort and convenience.

[0003] The utility model discloses a folding chair, including two front and back supports, two the support has left side support leg and right side support leg, left side support leg's upper end with right side support leg's upper end swing joint, two left side support leg all hinge has the seat bar, two the seat bar's right end all gear hinge has the backrest, the backrest is connected with right side support leg through metal connecting plate, two the backrest's outside lower end all hinge has the support bar, the support bar is connected with the corresponding support top through connecting piece, two seat bars between and two backrests between all are fixed with seat pad through limiting component, the utility model discloses can adjust the tightness of seat pad, so that can adjust according to the comfort of different people. But the U-shaped support rod in the utility model is opened and folded manually, which is more complicated and inconvenient for users. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a support structure of folding chair, which can automatically open the U-shaped support rod when the folding chair is converted into a lying mode.

[0005] The utility model discloses a technical scheme:

[0006] A support structure of folding chair, comprising a U-shaped support rod, two vertical rods of the U-shaped support rod are hingedly connected with upper ends of backrests; a L-shaped rod is hingedly connected with the vertical rods below the hinged points of the vertical rods and the backrests; one end of the L-shaped rod is hingedly connected with one end of a first connecting plate, and the other end of the first connecting plate is fixed on a seat bar;

[0007] The backrests are hingedly connected with a second connecting plate below the hinged points of the backrests and the vertical rods, and the second connecting plate has a sliding channel; the vertical rods are fixed with a sliding rod below the hinged points of the vertical rods and the L-shaped rod, and the sliding rod passes through the sliding channel.

[0008] Further, one end of the sliding rod passing through the sliding channel is fixed with a stop block, and the diameter of the stop block is greater than the width of the sliding channel.

[0009] Further, the slide rod is a first bolt.

[0010] Further, the U-shaped support rod is provided with a non-slip pad at both ends of the cross rod.

[0011] Further, the sponge is arranged on the inner wall of the end of the sliding channel.

[0012] Further, the sponge is arranged on the inner wall of the end of the sliding channel.

[0013] Further, the sponge is arranged on the inner wall of the end of the sliding channel.

[0014] Further, the first connecting plate is fixedly connected with the seat rod through a second bolt.

[0015] Further, the folding chair is also provided with a pillow.

[0016] The folding chair has the advantages that:

[0017] (1) When the folding chair needs to be converted into a lying mode, the back rod is rotated backward, so that the L-shaped rod rotates backward around the hinge point with the first connecting plate, thereby driving one end of the hinge point between the L-shaped rod and the vertical rod to rotate backward, driving the U-shaped support rod to rotate upward around the hinge point with the back rod, and simultaneously driving the second connecting plate to rotate upward around the hinge point with the back rod; when the cross rod of the U-shaped support rod contacts the ground, the folding chair is converted into the lying mode.

[0018] (2) The sponge is arranged on the inner wall of the end of the sliding channel, and when the slide rod contacts and extrudes the sponge in the sliding channel, the sponge can play a buffering role.

[0019] (3) The sponge is arranged on the inner wall of the end of the sliding channel, and when the slide rod contacts and extrudes the sponge in the sliding channel, the sponge can play a buffering role.

[0020] The folding chair can automatically open the U-shaped support rod when the folding chair is converted into the lying mode, which is convenient for users to use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the folding chair.

[0022] Figure 2 is a partial structural view (rear side) of the folding chair.

[0023] Figure 3 is a structural schematic view of the folding chair.

[0024] Figure 4 is a structural diagram of the first connecting plate.

[0025] Figure 5 is a structural diagram of the sponge.

[0026] Figure 6 is a structural diagram of the buffer block. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with the drawings below.

[0028] As Figures 1-6 shown, the utility model provides a first embodiment of the support structure of folding chair, including U type support rod 1, two vertical rod 11 top of U type support rod 1 is hinged with the upper end of leaning rod 2, and the vertical rod 11 is hinged with one end of L type rod 3 below the hinged point of vertical rod 11 and leaning rod 2, and the other end of L type rod 3 is hinged with one end of first connecting plate 4, and the other end of first connecting plate 4 is fixed on the sitting rod 5,

[0029] the leaning rod 2 is hinged with second connecting plate 6 below the hinged point of leaning rod 2 and vertical rod 11, and second connecting plate 6 has a sliding channel 61, and the vertical rod 11 is fixed with a sliding rod 62 below the hinged point of vertical rod 11 and L type rod 3, and sliding rod 62 passes through sliding channel 61.

[0030] when needing to convert folding chair into lying mode, leaning rod 2 is rotated back, so that L type rod 3 rotates back around the hinged point with first connecting plate 4, thereby driving one end of L type rod 3 and vertical rod 11 hinged point to rotate back, so as to drive U type support rod 1 to rotate up around the hinged point with leaning rod 2, simultaneously, sliding rod 62 slides in sliding channel 61 and drives second connecting plate 6 to rotate up around the hinged point with leaning rod 2, when the cross rod 12 of U type support rod 1 contacts with the ground, the conversion of folding chair into lying mode is completed.

[0031] on the basis of the first embodiment, the utility model provides a second embodiment of the support structure of folding chair, one end of sliding rod 62 fixed with a stop block 63 passes through sliding channel 61, and the diameter of stop block 63 is greater than the width of sliding channel 61, so that sliding rod 62 is prevented from separating from sliding channel 61 by stop block 63 in the process of sliding in sliding channel 61.

[0032] on the basis of the first embodiment, the utility model provides a third embodiment of the support structure of folding chair, and sliding rod 62 is a first bolt, and the first bolt passes through sliding channel 61 and is threadedly connected with vertical rod 11, so that the first bolt can be disassembled and replaced when being damaged.

[0033] On the basis of any one of the above embodiments, the utility model provides a fourth embodiment of the support structure of folding chair, the horizontal rod 12 of U type support rod 1 both ends are provided with antiskid pad 13, can prevent U type support rod 1 on the ground sliding through antiskid pad 13.

[0034] On the basis of any one of the above embodiments, the utility model provides a fifth embodiment of the support structure of folding chair, the inner wall of the end of sliding channel 61 is provided with sponge 71, when sliding rod 62 is in sliding channel 61 sliding and contacts and extrudes sponge 71, can play the role of buffering.

[0035] On the basis of any one of the above embodiments, the utility model provides a sixth embodiment of the support structure of folding chair, the inner wall of the end of sliding channel 61 is connected with buffer block 73 through multiple springs 72, when sliding rod 62 is in sliding channel 61 sliding and contacts and extrudes buffer block 73, buffer block 73 extrudes spring 72, can play the role of buffering through spring 72.

[0036] On the basis of the sixth embodiment, the utility model provides a seventh embodiment of the support structure of folding chair, the both ends of buffer block 73 have guide block 74, the inner wall of sliding channel 61 has guide slot 75 for the sliding of guide block 74, through the cooperation of guide block 74 and guide slot 75, can play the role of limiting guide when buffer block 73 is extruded and slides, prevent buffer block 73 from extruding and separating from sliding channel 61.

[0037] On the basis of any one of the above embodiments, the utility model provides an eighth embodiment of the support structure of folding chair, first connecting plate 4 is fixedly connected with seat rod 5 through second bolt 8, can facilitate the disassembly and assembly of first connecting plate 4 through second bolt 8.

[0038] On the basis of any one of the above embodiments, the utility model provides a ninth embodiment of the support structure of folding chair, the folding chair still has pillow 9, for supporting the head of user.

[0039] The seat rod and the back rod in the utility model are prior art, and the person skilled in the art can clearly understand, and detailed description is not carried out here.

[0040] The above only is the preferred embodiment of the utility model, can not be understood as the limitation of the application, and all equivalent changes and modifications made according to the utility model application patent range should belong to the coverage range of the utility model.

Claims

1. A support structure for a folding chair comprising a U-shaped support bar, characterised in that, The upper end of the two vertical rods of the U-shaped support rod is hinged to the leaning rod; the upper end of the vertical rod below the hinged point of the vertical rod and the leaning rod is hinged to one end of an L-shaped rod; the other end of the L-shaped rod is hinged to one end of a first connecting plate, and the other end of the first connecting plate is fixed on the sitting rod; The leaning rod below the hinged point of the leaning rod and the vertical rod is hinged to a second connecting plate, and the second connecting plate is provided with a sliding channel; the vertical rod below the hinged point of the vertical rod and the L-shaped rod is fixed with a sliding rod, and the sliding rod passes through the sliding channel.

2. A support structure for a folding chair according to claim 1, wherein One end of the sliding rod passing through the sliding channel is fixed with a stopper, and the diameter of the stopper is greater than the width of the sliding channel.

3. A support structure for a folding chair according to claim 1, wherein The sliding rod is a first bolt.

4. The support structure of claim 1, wherein, The two ends of the cross rod of the U-shaped support rod are provided with anti-skid pads.

5. The support structure for a folding chair of claim 1 wherein, The inner wall of the end of the sliding channel is provided with a sponge.

6. The support structure of a folding chair according to claim 1, wherein, The inner wall of the end of the sliding channel is connected with a buffer block through a plurality of springs.

7. A support structure for a folding chair according to claim 6, wherein The two ends of the buffer block are provided with guide blocks, and the inner wall of the sliding channel is provided with guide grooves for sliding of the guide blocks.

8. The support structure of claim 1, wherein, The first connecting plate is fixedly connected with the sitting rod through a second bolt.

9. The support structure of a folding chair according to claim 1, wherein, The folding chair is further provided with a pillow.

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