CN102987776A

CN102987776A - Chair

Info

Publication number: CN102987776A
Application number: CN2012104443368A
Authority: CN
Inventors: 杨周韵
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-08
Filing date: 2012-11-08
Publication date: 2013-03-27

Abstract

The invention provides a chair. The chair comprises a seat and legs below the seat, wherein the legs include two front legs at the front part of the seat, and two rear legs at the rear part of the seat; a cross bar is arranged at the bottom part between the front leg and the rear leg at the same side of the seat; the seat and each rear leg are connected by an elastic telescopic bar; and one end of the elastic telescopic bar is rotatably connected to the rear leg while the other end of the elastic telescopic bar is rotatably connected to the seat. The chair is elastic and movable, can effectively relieve sore feeling after long-time seating, as well as lay the body down, is relatively comfortable to sit, can effectively improve the working efficiency and learning efficiency, is simple in structure, and is economic and practical.

Description

A kind of chair

Technical field

The present invention relates to a kind of chair.

Background technology

Furniture commonly used when chair is work, study and rest, but that existing chair is generally is fixing is had a pain in the back after having sat of a specified duration easily, and reduction working and learning efficient is also unfavorable to health.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of chair, and is flexible, movable, can effectively reduce the sense of aching that sitting produces later on, can loosen health, pleasant, and energy Effective Raise working and learning efficient is simple in structure, economical and practical.

For solving above-mentioned existing technical problem, the present invention adopts following scheme: a kind of chair, comprise seat support and the chair leg that is located at the seat support below, described chair leg is comprised of with two back legs that are positioned at the seat support rear portion two forelegs of switching in the seat support front portion, be provided with cross bar at the foreleg of seat support the same side and the bottom between the back leg, described seat support be connected back leg and all connect by elastic telescopicing rod, described elastic telescopicing rod one end switching on the back leg, the other end transfers on seat support.Chair is sat up more flexible, can loosen health above the people is sitting in, and is pleasant, can effectively reduce the sense of aching, Effective Raise working and learning efficient that sitting produces later on.

As preferably, also comprise two rollers and the roller shaft that is connected two rollers, described roller shaft sets up and is bearing in middle part between two cross bars, and the sidepiece of two cross bars is equipped with locating slot or the locating hole of positioning roller axle.The people is sitting in the sensation that rocking chair is arranged on the chair, can alleviate the later sense of aching that produces of sitting, loosen health, and is pleasant, can Effective Raise working and learning efficient.

As preferably, the sidepiece of described locating slot or locating hole or bottom are communicated with the upper surface of cross bar by a passage, and one of the junction formation of described locating slot or locating hole and passage is stuck in roller shaft the screens step in locating slot or the locating hole when roller shaft supports two cross bars.Roller shaft stretches into locating slot or locating hole is propped chair through passage, and chair and roller shirk conveniently.

As preferably, two rollers are between two cross bars.Rational in infrastructure.

As preferably, the junction of described cross bar and back leg also is provided with locating slot or the locating hole of positioning roller axle, the sidepiece of described locating slot or locating hole or bottom are communicated with the upper surface of cross bar by a passage, and one of the junction formation of described locating slot or locating hole and passage is stuck in roller shaft the screens step in locating slot or the locating hole when roller shaft supports two cross bars.When needs are moved chair, only the chair rear end need to be lifted roller shaft admission passage end is propped chair, the people hauls chair and walks about and get final product, and is more laborsaving, is particularly suitable for the physical less people such as the elderly, Ms.

Beneficial effect:

A kind of chair that the present invention adopts technique scheme to provide, flexible, movable, can effectively reduce the sense of aching that sitting produces later on, can loosen health, pleasant, energy Effective Raise working and learning efficient, simple in structure, economical and practical.

Description of drawings

Fig. 1 is left view of the present invention;

Fig. 2 is front view of the present invention.

The specific embodiment

As illustrated in fig. 1 and 2, a kind of chair, comprise seat support 1 and the chair leg that is located at seat support 1 below, it is characterized in that: described chair leg is comprised of with two back legs 23 that are positioned at seat support 1 rear portion two forelegs 21 of switching in seat support 1 front portion, be provided with cross bar 22 at the foreleg 21 of seat support 1 the same side and the bottom between the back leg 23, described seat support 1 be connected back leg 23 and all connect by an elastic telescopicing rod 3, described elastic telescopicing rod 3 one ends switching on the back leg 23, the other end transfers on seat support 1.Also comprise two rollers 61 and the roller shaft 62 that is connected two rollers 61, described roller shaft 62 sets up and is bearing in middle part between two cross bars 22, and the sidepiece of two cross bars 22 is equipped with locating slot or the locating hole 4 of positioning roller axle.The sidepiece of described locating slot or locating hole 4 or bottom are communicated with the upper surface of cross bar 22 by a passage 5, and one of the junction formation of described locating slot or locating hole 4 and passage 5 is stuck in roller shaft 62 the screens step in locating slot or the locating hole 4 when roller shaft 62 supports two cross bars 22.Two rollers 61 are between two cross bars 22.The junction of described cross bar 22 and back leg 23 also is provided with locating slot or the locating hole 4 of positioning roller axle 62, the sidepiece of described locating slot or locating hole 4 or bottom also are communicated with the upper surface of cross bar 22 by a passage 5, and one of the junction formation of described locating slot or locating hole 4 and passage 5 is stuck in roller shaft 62 the screens step in locating slot or the locating hole 4 when roller shaft 62 supports two cross bars 22.

This structure Elastic expansion link 3 also can be spring and other suitable elastomeric elements.Because elastic telescopicing rod 3 has been installed, the user sits up pleasant, health relatively loosens, can effectively reduce the sense of aching that sitting produces later on, roller shaft 62 can freely break away from cross bar 22 or cross bar 22 is supported, the user can arbitraryly rock back and forth, can effectively lessen fatigue, loosen health, have very great help to improving working and learning efficient, roller shaft 62 enters by passage 5 that to remove chair after locating slot or locating hole 4 are propped chair more convenient, especially is fit to the weak crowd of the muscle power such as Ms, old man and child.The present invention is simple in structure, and is economical and practical.

Claims

1. chair, comprise seat support (1) and be located at the chair leg of seat support (1) below, it is characterized in that: described chair leg is comprised of at anterior two forelegs (21) of seat support (1) and two back legs (23) of being positioned at seat support (1) rear portion switching, be positioned at the foreleg (21) of seat support (1) the same side and the bottom between the back leg (23) and be provided with cross bar (22), described seat support (1) be connected back leg (23) and all connect by an elastic telescopicing rod (3), described elastic telescopicing rod (3) one ends switching is upper at back leg (23), the other end is transferred on seat support (1).

2. a kind of chair according to claim 1, it is characterized in that: also comprise two rollers (61) and the roller shaft (62) that is connected two rollers (61), described roller shaft (62) sets up and is bearing in middle part between two cross bars (22), and the sidepiece of two cross bars (22) is equipped with locating slot or the locating hole (4) of positioning roller axle.

3. a kind of chair according to claim 2, it is characterized in that: the sidepiece of described locating slot or locating hole (4) or bottom are communicated with the upper surface of cross bar (22) by a passage (5), and one of the junction formation of described locating slot or locating hole (4) and passage (5) is stuck in roller shaft (62) the screens step in locating slot or the locating hole (4) when roller shaft (62) supports two cross bars (22).

4. a kind of chair according to claim 2, it is characterized in that: two rollers (61) are positioned between two cross bars (22).

5. a kind of chair according to claim 2, it is characterized in that: the junction of described cross bar (22) and back leg (23) also is provided with locating slot or the locating hole (4) of positioning roller axle (62), the sidepiece of described locating slot or locating hole (4) or bottom also are communicated with the upper surface of cross bar (22) by a passage (5), and one of the junction formation of described locating slot or locating hole (4) and passage (5) is stuck in roller shaft (62) the screens step in locating slot or the locating hole (4) when roller shaft (62) supports two cross bars (22).