CN211048869U

CN211048869U - Folding chair

Info

Publication number: CN211048869U
Application number: CN201922358392.XU
Authority: CN
Inventors: 许慧玉
Original assignee: Xiamen Outdoor Products Trade Co ltd
Current assignee: Xiamen Outdoor Products Trade Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-21
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a folding chair, including eight bracing pieces, two liang of pairings between the bracing piece, the middle part is articulated, and through supporting shoe end to end between four pairs of bracing pieces, encloses into a quadrangle that can contract, when packing up the chair, eight bracing pieces draw close together, and the occupation space is little, and the collection is convenient.

Description

Folding chair

Technical Field

The utility model relates to a folding chair.

Background

The chair is indispensable in life and work. The chair on the existing market is various, including the folding chair, nevertheless, after current folding chair is folding, is the platykurtic, in the little occasion in some spaces, still has the inconvenient problem of collection, and the back of present folding chair only has an angle, can't satisfy the user demand, needs to change urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem, this application provides a folding chair, including mat and shrink frame, the mat is soft materials, and is collapsible, is fixed in on the shrink frame, when the shrink frame is packed up or is propped open, the mat is folding to be packed up or to be spread out and supply the user to sit.

The cushion comprises a cushion and a back cushion;

the retractable frame comprises a chair leg frame and a backrest frame;

the chair leg frame comprises a first connecting block, a second connecting block and a supporting rod; eight support rods are paired with each other, four pairs of the support rods are provided, and each pair of support rods is arranged in a crossed manner and hinged in the middle; the four pairs of support rods form a quadrangle; the structure of first connecting block and second connecting block is the same, and becomes the mirror image, all is equipped with two mutually perpendicular's bracing piece installation position, first connecting block and second connecting block set gradually in adjacent two pairs of bracing piece butt joints, promptly tetragonal eight angles have four first connecting blocks and four second connecting blocks, and the tip of bracing piece is equipped with the through-hole, articulates through the screw on the bracing piece installation position, four groups of bracing pieces pass through at this moment first connecting block and second connecting block end to end connection get up, when bracing piece week portion atress, tend to be parallel between every pair of crisscross bracing piece, the quadrangle that four pairs of bracing pieces enclose contracts gradually and draws close together, and four last pairs of bracing pieces are close together, realize folding and close of chair leg frame, when needing to strut, only need apply outside pulling force to the bracing piece, pull open four pairs of bracing pieces can.

The two groups of backrest frames respectively comprise a long rod, a supporting seat and an adjusting head; the backrest frames are symmetrically arranged at the left side and the right side of the chair leg frame; the supporting seat is arranged on a first connecting block or a second connecting block which is positioned at the top of the quadrangle and is provided with a strip-shaped through hole in the vertical direction, one end of the long rod penetrates through the strip-shaped through hole and is hinged to the adjusting head, the adjusting head is provided with a through hole and a limiting piece, the adjusting head is slidably sleeved on the supporting rod, the supporting rod is provided with a limiting hole, and the position of the adjusting head is adjusted through the limiting hole and the limiting piece, so that the angle of the long rod relative to the supporting seat is adjusted; the long rod supports the back cushion.

Further, the cushion is an integrated cloth.

Further, the locating part includes button and spring, adjust overhead installing port that is equipped with, the button is installed in the installing port, and the middle part with the installing port is articulated, be provided with the spring of compression between the bottom of the one end of button and the installing port, the bottom of the other end is equipped with the spacing arch that the diameter is less than spacing hole, and the installing port bottom that this end corresponds link up, UNICOM adjust the through-hole of head, spacing arch inserts the through-hole realizes limiting displacement.

Furthermore, the number of the limiting holes is three.

Furthermore, the strip-shaped through holes of the supporting seat gradually become smaller from top to bottom and are conical.

It is right by the aforesaid the utility model discloses a description compares with prior art, the utility model provides a folding chair, including eight bracing pieces, two liang between the bracing piece in pairs, the middle part is articulated, and links to each other end to end through the supporting shoe between four pairs of bracing pieces, encloses into a quadrangle that can contract, when packing up the chair, eight bracing pieces draw close together, and the occupation space is little, and the collection is convenient.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a front view of a folding chair;

FIG. 2 is a side view of a folding chair;

FIG. 3 is a side elevational view of a folding chair;

FIG. 4 is a second isometric view of a folding chair;

FIG. 5 is a side elevational view of the retraction bracket of a folding chair;

FIG. 6 is a second isometric view of a retraction shelf of a folding chair;

FIG. 7 is a side elevational view of the retraction frame of a folding chair;

FIG. 8 is a cross-sectional view of an adjustment head of a folding chair;

the symbols in fig. 1 to 8 denote:

1-cushion, 2-shrink frame, 21-first connecting block, 22-second connecting block, 23-supporting rod, 24-long rod, 25-supporting seat, 26-adjusting head, 261-button and 262-spring.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clear, understand, combine the embodiment below, it is right the utility model discloses go on further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, a folding chair includes a cushion 1 and a contraction rack 2, wherein the cushion 1 is made of soft material, is foldable and fixed on the contraction rack 2, and when the contraction rack 2 is folded or unfolded, the cushion 1 is folded or unfolded for a user to sit on.

The cushion 1 comprises a cushion and a back cushion, and is made of integrated cloth.

Referring to fig. 1 to 7, the retractable frame 2 includes a chair leg frame and a backrest frame according to functional division, wherein:

the leg frame includes a first connecting block 21, a second connecting block 22, and a support rod 23.

Eight support rods 23 form a pair of four pairs, and each pair of support rods 23 is arranged in a crossed manner and hinged in the middle. The four pairs of support rods 23 enclose a quadrangle.

First connecting block 21 and second connecting block 22's structure is the same, and becomes the mirror image, all is equipped with two mutually perpendicular's bracing piece 23 installation position, first connecting block 21 and second connecting block 22 set gradually in adjacent two pairs of bracing pieces 23 butt joint department, promptly tetragonal eight angles have four first connecting blocks 21 and four second connecting blocks 22, and the tip of bracing piece 23 is equipped with the through-hole, articulates through the screw in bracing piece 23 installation position, four teams of bracing pieces 23 pass through this moment first connecting block 21 and second connecting block 22 end to end connect.

When the chair leg frame is used, when the peripheral parts of the supporting rods 23 are stressed, each pair of crossed supporting rods 23 tend to be parallel, a quadrangle formed by the four pairs of supporting rods 23 gradually shrinks and draws close, and finally the four pairs of supporting rods 23 are close together to realize the folding and unfolding of the chair leg frame, and when the chair leg frame needs to be unfolded, the four pairs of supporting rods 23 are pulled open by applying outward tension to the supporting rods 23.

The backrest frames are symmetrically arranged on the left side and the right side of the chair leg frame and respectively comprise a long rod 24, a supporting seat 25 and an adjusting head 26.

Specifically, the supporting seat 25 is installed on the first connecting block 21 or the second connecting block 22 located at the top of the quadrangle, a bar-shaped through hole in the vertical direction is formed, one end of the long rod 24 penetrates through the bar-shaped through hole and is hinged to the adjusting head 26, and the other end of the long rod supports the back cushion. Adjust and be equipped with through-hole and locating part on the head 26, adjust the slidable cover of head 26 and establish on bracing piece 23, be equipped with three spacing hole on the bracing piece 23, through spacing hole and locating part adjust the position of adjusting head 26 to adjust the angle of the relative supporting seat 25 of stock 24. In this embodiment, the limiting member includes button 261 and spring 262, as fig. 8, be equipped with the installing port on the regulation head 26, button 261 is installed in the installing port, and the middle part with the installing port is articulated, be provided with compressed spring 262 between the bottom of the one end of button 261 and the installing port, the bottom of the other end is equipped with the spacing arch that the diameter is less than spacing hole, and the installing port bottom that this end corresponds link up, UNICOM adjust the through-hole of head 26, spacing arch inserts the through-hole realizes limiting displacement.

The above exemplary description of the present invention is provided, and it is obvious that the present invention is not limited by the above manner, as long as the present invention adopts various insubstantial improvements of the method concept and technical solution, or the present invention is directly applied to other occasions without improvement, all within the protection scope of the present invention.

Claims

1. A folding chair is characterized by comprising a cushion and a contraction frame;

the cushion is made of soft materials, is fixed on the contraction frame and comprises a cushion and a back cushion;

the retractable frame comprises a chair leg frame and a backrest frame;

the chair leg frame comprises four first connecting blocks, four second connecting blocks and a supporting rod; eight support rods are paired with each other, four pairs of the support rods are provided, and each pair of support rods is arranged in a crossed manner and hinged in the middle; the four pairs of support rods form a quadrangle; the first connecting block and the second connecting block are identical in structure and are mirror images, two mutually perpendicular supporting rod mounting positions are arranged on the first connecting block and the second connecting block, and the first connecting block and the second connecting block are sequentially arranged at the butt joint of two adjacent pairs of supporting rods, namely eight corners of the quadrangle; the end part of the supporting rod is provided with a through hole, and the supporting rod is hinged on the supporting rod mounting position through a screw;

the backrest frames are symmetrically arranged on the left side and the right side of the chair leg frame and respectively comprise a long rod, a supporting seat and an adjusting head; the supporting seat is installed on the first connecting block or the second connecting block that are located the quadrangle top, is equipped with the bar through-hole of vertical direction, stock one end is passed the bar through-hole, articulates on adjusting the head, adjust overhead through-hole and locating part that is equipped with, adjust the head slidable cover and establish on the bracing piece, be equipped with spacing hole on the bracing piece, through spacing hole and locating part are adjusted the position of adjusting the head to adjust the angle of the relative supporting seat of stock.

2. The folding chair as claimed in claim 1, wherein there are three of said limiting holes.

3. A folding chair as claimed in claim 1, characterised in that the cushion is a unitary piece of cloth.

4. The folding chair as claimed in claim 1, wherein the limiting member comprises a button and a spring, the adjusting head is provided with a mounting opening, the button is mounted in the mounting opening, the middle part of the button is hinged to the mounting opening, a compressed spring is arranged between the bottom of one end of the button and the mounting opening, the bottom of the other end of the button is provided with a limiting protrusion with a diameter smaller than that of the limiting hole, the bottom of the corresponding mounting opening of the other end of the button is communicated with the through hole of the adjusting head, and the limiting protrusion is inserted into the through hole.

5. The folding chair as claimed in claim 1, wherein the strip-shaped through-holes of the support base are tapered from top to bottom.

6. The folding chair as claimed in claim 1, wherein a rubber cushion is provided in the through-hole.