CN216702065U

CN216702065U - Folding chair

Info

Publication number: CN216702065U
Application number: CN202123051579.9U
Authority: CN
Inventors: 伍兴
Original assignee: Foshan Gaoming Jingxuan Hardware Manufacturing Co ltd; Changsha Yufukang Import And Export Trade Co ltd
Current assignee: Foshan Gaoming Jingxuan Hardware Manufacturing Co ltd; Changsha Yufukang Import And Export Trade Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-10
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a folding chair, comprising: the first bracket comprises two support rods which are arranged in parallel, and the two support rods are provided with liftable support blocks; the second supports comprise a first rod body and a second rod body, the middle parts of the first rod body and the second rod body are hinged and are in an X shape, the upper end of the first rod body is hinged with the supporting block, and the lower end of the second rod body is hinged with the supporting rod corresponding to the supporting block; the front end of the seat board is hinged with the upper ends of the two second rod bodies, and the rear end of the seat board is supported by the supporting block. The first bracket and the two second brackets form a support for the seat plate, and when the second brackets are folded, the upper end of the first rod body drives the support block to move upwards along the support rod, so that the folding chair is integrally folded; the rear end of the seat board is supported by the supporting block, and the supporting effect is stable.

Description

Folding chair

Technical Field

The utility model relates to the technical field of folding chairs, in particular to a folding chair.

Background

A folding chair is a chair with a folding function, which is convenient to move and saves space. Originally for military use. The training machine is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places. The existing folding chair is complex in structure or not stable enough in structure, so that the structure of the existing folding chair needs to be optimized.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a folding chair, which can solve the problem of the existing folding chair that the structure is complicated or not stable enough at least to some extent.

The technical scheme of the utility model is realized as follows:

a folding chair, comprising:

the first bracket comprises two support rods which are arranged in parallel, and the two support rods are provided with liftable support blocks;

the second supports comprise a first rod body and a second rod body, the middle parts of the first rod body and the second rod body are hinged and are in an X shape, the upper end of the first rod body is hinged with the supporting block, and the lower end of the second rod body is hinged with the supporting rod corresponding to the supporting block;

the front end of the seat board is hinged with the upper ends of the two second rod bodies, and the rear end of the seat board is supported by the supporting block.

As a further alternative of the folding chair, the supporting block is fixedly connected with a sliding sleeve, two ends of the sliding sleeve are sleeved with friction sleeves, and the sliding sleeve and the friction sleeve are both sleeved on the supporting rod; and a friction abutting part abutting against the outer wall of the support rod is formed on the inner wall of the friction sleeve.

As a further alternative of the folding chair, the first support further comprises a connecting rod connecting the upper ends of the two support rods.

As a further alternative of the folding chair, the bottom of the seat board is provided with two mounting rods, and the upper ends of the two second rod bodies are hinged on the mounting rods.

As a further alternative of the folding chair, the upper end of the second rod body is hinged to the upper front end of the mounting rod, the rear end of the mounting rod is hinged to one end of the limiting rod, and the other end of the limiting rod is hinged to the supporting block.

As a further alternative of the folding chair, the bottom of the seat board is provided with a positioning groove, and the mounting rod is fixed in the positioning groove.

As a further alternative of the folding chair, the positioning grooves comprise two first positioning grooves arranged in parallel and two second positioning grooves arranged in parallel, and the first positioning grooves and the second positioning grooves are vertically staggered.

As a further alternative of the folding chair, the bottom of the seat board is concavely provided with a handle groove.

As a further alternative of the folding chair, the seat board is provided with a plurality of water permeable holes penetrating along the thickness direction.

As a further alternative of the folding chair, the lower ends of the supporting rods and the lower end of the first rod body are both provided with anti-skid blocks, and a plurality of annular anti-skid portions which are different in diameter and are coaxially arranged are formed at the lower parts of the anti-skid blocks.

The utility model has the following beneficial effects: the first bracket and the two second brackets form a support for the seat plate, and when the second brackets are folded, the upper end of the first rod body drives the support block to move upwards along the support rod, so that the folding chair is integrally folded; the rear end of the seat board is supported by the supporting block, and the supporting effect is stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a folding chair according to the present invention in use;

FIG. 2 is an exploded view of a folding chair of the present invention;

FIG. 3 is a schematic view of a folding chair of the present invention in a folded position;

FIG. 4 is a schematic cross-sectional view of the support block;

FIG. 5 is a schematic view of the connection of the seat plate and the mounting bar;

fig. 6 is a schematic structural view of the anti-skid pad block.

In the figure: 1. a first bracket; 11. a support bar; 12. a connecting rod; 121. a rubber cushion pad; 2. a second bracket; 21. a first rod body; 22. a second rod body; 3. a support block; 31. a sliding sleeve; 32. a friction sleeve; 321. a frictional abutment; 4. a seat plate; 41. mounting a rod; 42. positioning a groove; 42a, a first positioning groove; 42b, a second positioning groove; 43. water permeable holes; 44. a gripper slot; 5. an anti-skid cushion block; 51. an annular anti-slip portion; 6. a reinforcing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-6, a folding chair is shown, which comprises a first bracket 1, two second brackets 2 and a seat board 4, wherein the first bracket 1 comprises two support rods 11 arranged in parallel, and the two support rods 11 are respectively provided with a lifting support block 3; the second bracket 2 comprises a first rod body 21 and a second rod body 22, the middle parts of the first rod body 21 and the second rod body 22 are hinged and are in an X shape, the upper end of the first rod body 21 is hinged with the supporting block 3, and the lower end of the second rod body 22 is hinged with the supporting rod 11 corresponding to the supporting block 3; the front end of the seat board 4 is hinged with the upper ends of the two second rod bodies 22, and the rear end of the seat board 4 is supported by the supporting block 3.

In other words, referring to fig. 1 and 3, the first bracket 1 and the two second brackets 2 form a support for the seat board 4, and when the second brackets 2 are folded, the upper end of the first rod 21 drives the support block 3 to move upwards along the support rod 11, so that the folding of the folding chair is realized; for convenience of description, a hinge joint between the upper end of the first rod 21 and the support block 3 is defined as a first hinge joint, a hinge joint between the middle of the first rod 21 and the middle of the second rod 22 is defined as a second hinge joint, and a hinge joint between the lower end of the second rod 22 and the support rod 11 is defined as a third hinge joint; the first hinge joint, the second hinge joint and the third hinge joint form a triangular structure, the distance between the first hinge joint and the third hinge joint changes with the lifting of the supporting block 3, and since the distance between the first hinge joint and the second hinge joint and the distance between the second hinge joint and the third hinge joint are fixed, the distance between the first hinge joint and the third hinge joint has a minimum value, that is, the supporting block 3 cannot be continuously lowered after being lowered to a certain height, so that the supporting block 3 can provide stable support for the rear end of the seat plate 4.

In some specific embodiments, in order to improve the stability of the supporting block 3 sliding on the supporting rod 11, referring to fig. 2 and 4, a sliding sleeve 31 is fixedly connected to the supporting block 3, two ends of the sliding sleeve 31 are sleeved with friction sleeves 32, and both the sliding sleeve 31 and the friction sleeves 32 are sleeved on the supporting rod 11; a friction contact portion 321 that contacts the outer wall of the support rod 11 is formed on the inner wall of the friction sleeve 32. In this way, the friction sleeve 32 provides a certain damping for the support block 3, avoiding the support block 3 from sliding too fast on the support bar 11; in this embodiment, the supporting block 3 and the sliding sleeve 31 may be made of metal, and have a stable structure, so as to provide a stable support for the seat plate 4, and the friction sleeve 32 may be made of rubber.

In some specific embodiments, referring to fig. 1 and 2, the first support 1 further comprises a connecting rod 12 connecting the upper ends of the two support rods 11. Wherein the connecting rod 12 can be used as a backrest or an armrest to provide back support or side hand support for a user; to improve the comfort of the back or hands of the user, a rubber cushion 121 may be provided outside the connecting rod 12.

In some specific embodiments, in order to facilitate the connection of the seat board 4 and the second bracket 2, referring to fig. 2 and 5, the bottom of the seat board 4 is provided with two mounting rods 41, and the upper ends of the two second rod bodies 22 are hinged on the mounting rods 41. Wherein, for avoiding excessive rotation between the bedplate 4 and the second body of rod 22, the upper end of the second body of rod 22 articulates front end on the installation pole 41, the rear end of installation pole 41 articulates in the one end of gag lever post, the other end of gag lever post with the supporting shoe 3 is articulated.

In the above embodiment, in order to facilitate the fixing and installation of the installation rod 41, referring to fig. 5, a positioning groove 42 is formed at the bottom of the seat plate 4, and the installation rod 41 is fixed in the positioning groove 42. Wherein, the mounting rod 41 can be fixed in the positioning groove 42 by screws; further preferably, the positioning slots 42 include two first positioning slots 42a arranged in parallel and two second positioning slots 42b arranged in parallel, and the first positioning slots 42a and the second positioning slots 42b are vertically staggered. In this way, two mounting rods 41 can be selectively fixed in the first positioning groove 42a or the second positioning groove 42b, so that the seat plate 4 can be installed horizontally or vertically, which is convenient for assembly.

In the above embodiment, in order to facilitate carrying of the folding chair, referring to fig. 5, a grip groove 44 is concavely formed at the bottom of the seat plate 4; the two grip grooves 44 are respectively formed at both sides of the seat plate 4, so that both hands can grip both sides of the seat plate 4 to move the folding chair.

In some embodiments, in order to improve the structural stability of the folding chair, referring to fig. 1 and 2, a reinforcing bar 6 is disposed between the lower ends of the two second rods 22, and the reinforcing bar 6 is also disposed between the two support bars 11, so as to effectively prevent the first support 1 and/or the second support 2 from deforming.

In some specific embodiments, generally, the seat plate 4 is often used for a long time, the upper surface of the seat plate 4 is easily slightly concave, and when water is accumulated on the seat plate 4, the accumulated water is not convenient to drain; referring to fig. 1, the seat plate 4 is provided with a plurality of water permeable holes 43 penetrating along the thickness direction thereof; in this way, water on the seat plate 4 can be rapidly drained through the water permeable holes 43.

In some embodiments, in order to prevent the user from slipping down due to easy movement of the folding chair, referring to fig. 1 and 6, the lower end of the support bar 11 and the lower end of the first bar body 21 are provided with a non-slip mat 5, and a plurality of annular non-slip portions 51 having different diameters and coaxially arranged are formed at the lower portion of the non-slip mat 5. Wherein, the antiskid cushion block 5 can be rubber; in addition, since the plurality of ring-shaped skidproof parts 51 have a certain distance therebetween, when the folding chair is intended to slide on the ground in one direction, portions of the ring-shaped skidproof parts 51 are pulled to be inclined, so that the frictional force between the skidproof cushion 5 and the ground is greater.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A folding chair, comprising:

the first bracket comprises two support rods which are arranged in parallel, and the two support rods are provided with liftable support blocks; the second supports comprise a first rod body and a second rod body, the middle parts of the first rod body and the second rod body are hinged and are in an X shape, the upper end of the first rod body is hinged with the supporting block, and the lower end of the second rod body is hinged with the supporting rod corresponding to the supporting block;

the front end of the seat board is hinged with the upper ends of the two second rod bodies, and the rear end of the seat board is supported by the supporting block;

the bottom of the seat board is provided with two mounting rods, and the upper ends of the two second rod bodies are hinged to the mounting rods; the upper end of the second rod body is hinged to the upper front end of the mounting rod, the rear end of the mounting rod is hinged to one end of the limiting rod, and the other end of the limiting rod is hinged to the supporting block.

2. The folding chair as claimed in claim 1, wherein the supporting block is fixedly connected with a sliding sleeve, two ends of the sliding sleeve are sleeved with a friction sleeve, and the sliding sleeve and the friction sleeve are sleeved on the supporting rod; and a friction abutting part abutting against the outer wall of the support rod is formed on the inner wall of the friction sleeve.

3. The folding chair as claimed in claim 1, wherein the first support further comprises a connecting bar connecting the upper ends of the two support bars.

4. The folding chair as claimed in claim 1, wherein a positioning groove is formed at the bottom of the seat plate, and the mounting rod is fixed in the positioning groove.

5. The folding chair as claimed in claim 4, wherein said positioning grooves include two first positioning grooves arranged in parallel and two second positioning grooves arranged in parallel, and said first positioning grooves and said second positioning grooves are vertically staggered.

6. The folding chair as claimed in claim 1, wherein the bottom of the seat plate is recessed with a grip groove.

7. The folding chair as claimed in claim 1, wherein the seat plate is provided with a plurality of water permeable holes penetrating therethrough in a thickness direction thereof.

8. The folding chair as claimed in claim 1, wherein the lower ends of the support rods and the first rod body are provided with anti-slip blocks, and a plurality of annular anti-slip parts having different diameters and coaxially arranged are formed at the lower parts of the anti-slip blocks.