CN213849652U

CN213849652U - Seat backrest with good supporting effect

Info

Publication number: CN213849652U
Application number: CN202023015176.4U
Authority: CN
Inventors: 韦振勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-03
Anticipated expiration: 2030-12-15
Also published as: WO2022126994A1

Abstract

The utility model provides a chair backrest with good supporting effect, which comprises a chair surface, wherein two sides of the back edge of the chair surface are vertically fixed with side pillars, the side pillars are connected with a backrest plate through springs, and the backrest plate is limited between the side pillars in the two sides in a sliding way; a middle pillar is vertically fixed in the middle of the rear edge of the chair surface, two sides of the middle pillar are respectively provided with a locking mechanism, and the locking mechanisms act on the backrest plate to lock the backrest plate; still include the controller, controller external power supply, and with locking mechanism electric connection, when the user leans on backward, the back board of different positions can be according to the atress difference and the different distance of backward movement, through the locking of controller control locking mechanism, can make the curved surface of back laminate the lines on user's back completely, has improved supporting effect and travelling comfort greatly.

Description

Seat backrest with good supporting effect

Technical Field

The utility model relates to a seat accessory field especially relates to a backrest with good supporting effect.

Background

The human spine naturally has four bends of cervical curvature, thoracic curvature, lumbar curvature and basal curvature so as to relieve the physical stress of the spine in the movement of the human body. When a person is in a normal sitting posture, the waist and the back are not straight and linear, and the person can just take a straight line under the condition of external force compression or strong force. Most of the existing chairs have linear flat backs, so that only a small part of the waist of a user is in contact with the backs of the chairs when the user sits down, even a plurality of users do not contact with the back chairs when sitting down, the neck and the head of the user are not supported by the chairs, the user can feel tired in the waist, the shoulders, the neck and the head of the user after sitting down for a long time, and even shoulder vertebra and cervical vertebra diseases are caused. After people sit down, if people lean backwards, people find that the backrest chair of the chair is not attached to the curves of the waist, the shoulders and the head of people, the upper body of the people stretches unnaturally, and body fatigue is increased. The situation that the body of a user is tired due to the fact that the back rest chair of the chair is not attached to the back curve of the user, and diseases of the shoulder vertebra and the cervical vertebra are caused is very obvious when office workers and long-distance travel workers need to keep sitting postures for a long time.

Therefore, a need exists for a seat back with good support effect, which can solve the problem that the conventional seat back does not have comfortable support effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backrest with good supporting effect to solve the problem that above-mentioned current backrest does not possess comfortable supporting effect.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a chair backrest with good supporting effect, which comprises a chair surface, wherein two sides of the back edge of the chair surface are vertically fixed with side pillars, the side pillars on the two sides are connected with a backrest plate through springs, and the backrest plate can be limited between the side pillars on the two sides in a front-back sliding manner; a middle pillar is vertically fixed in the middle of the rear edge of the chair surface, two sides of the middle pillar are respectively provided with a locking mechanism, and the locking mechanisms act on the backrest plate to lock the backrest plate; the locking mechanism is electrically connected with the power supply, and the locking mechanism is electrically connected with the power supply.

Preferably, the maximum extension distance of the spring is 15 cm.

Preferably, the transverse section of the back board is concave.

Preferably, the thickness of the backrest plate is 6mm, and the distance between two adjacent backrest plates is 4 cm.

Preferably, the outer part of the backrest plate is wrapped with a soft package.

Preferably, locking mechanism includes the check lock lever, the one end of check lock lever with the intermediate strut is articulated, and its other end is equipped with the stay, the side of intermediate strut still is fixed with electronic jar, electronic jar flexible end with the check lock lever is articulated, and the pin joint is close to the stay sets up, electronic jar with controller electric connection.

Preferably, the locking piece is made of anti-skid rubber.

The utility model discloses following beneficial technological effect has been gained for prior art:

the utility model provides a chair backrest with good supporting effect, which comprises a chair surface, wherein two sides of the back edge of the chair surface are vertically fixed with side pillars, the side pillars on the two sides are connected with a backrest plate through springs, and the backrest plate is limited between the side pillars on the two sides in a sliding manner; a middle pillar is vertically fixed in the middle of the rear edge of the chair surface, two sides of the middle pillar are respectively provided with a locking mechanism, and the locking mechanisms act on the backrest plate to lock the backrest plate; still include the controller, controller external power supply, and with locking mechanism electric connection, when the user leans on backward, the back board of different positions can be according to the atress difference and the different distance of backward movement, through the locking of controller control locking mechanism, can make the curved surface of back laminate the lines on user's back completely, has improved supporting effect and travelling comfort greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without inventive labor.

Fig. 1 is a side view of a seat back with good supporting effect provided by the present invention;

fig. 2 is a rear view of a seat back with good supporting effect provided by the present invention;

fig. 3 is a schematic structural view of a back board part in a seat back with a good supporting effect provided by the present invention;

fig. 4 is a schematic view illustrating the installation of a backrest plate in a seat back with a good supporting effect according to the present invention;

in the figure: 1: seat, 2: side pillars, 3: spring, 4: back board, 5: middle strut, 6: locking lever, 7: locking sheet, 8: an electric cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a backrest with good supporting effect to solve the problem that current backrest does not possess comfortable supporting effect.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example 1:

the embodiment provides a seat backrest with a good supporting effect, as shown in fig. 1-4, which includes a seat surface 1, side pillars 2 are vertically fixed on two sides of the rear edge of the seat surface 1, the side pillars 2 on the two sides are connected with a backrest plate 4 through springs 3, and the backrest plate 4 is limited between the side pillars 2 on the two sides in a manner of sliding back and forth; a middle pillar 5 is vertically fixed in the middle of the rear edge of the chair surface 1, two sides of the middle pillar 5 are respectively provided with a locking mechanism, and the locking mechanisms act on the backrest plate 4 to lock the backrest plate 4; the locking mechanism is electrically connected with the controller.

Specifically, the maximum extension distance of the spring 3 is 15 cm.

Further, the back plate 4 has a concave shape in transverse section.

Further, the thickness of the back boards 4 is 6mm, and the distance between two adjacent back boards 4 is 4 cm.

Further, the back board 4 is wrapped with a soft package.

Further, locking mechanism includes check lock lever 6, and the one end and the middle support column 5 of check lock lever 6 are articulated, and its other end is equipped with stay 7, and the side of middle support column 6 still is fixed with electronic jar 8, and electronic jar 8's flexible end is articulated with check lock lever 6, and the pin joint is close to the stay 7 setting, electronic jar 8 and controller electric connection.

Furthermore, the locking sheet 7 is made of anti-skid rubber.

The utility model provides a pair of backrest with good supporting effect, its theory of operation is: when the user leans back, the back boards 4 at different positions can move backwards by different distances according to different stresses, the locking mechanism is controlled by the controller to lock, the curved surface of the back can be completely attached to the lines on the back of the user, and the supporting effect and the comfort are greatly improved.

It should be noted that the utility model provides a seat back with good supporting effect, it can be used for the seat in occasions such as family, office space, vehicle, as long as adopt the technical scheme of this principle, all are in the scope of protection of this invention.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a backrest with good supporting effect, includes the seat, its characterized in that: side pillars are vertically fixed on two sides of the rear edge of the chair surface, the side pillars on the two sides are connected with a backrest plate through springs, and the backrest plate is limited between the side pillars on the two sides in a front-back sliding manner; a middle pillar is vertically fixed in the middle of the rear edge of the chair surface, two sides of the middle pillar are respectively provided with a locking mechanism, and the locking mechanisms act on the backrest plate to lock the backrest plate; the locking mechanism is electrically connected with the power supply, and the locking mechanism is electrically connected with the power supply.

2. The seat back with good supporting effect as claimed in claim 1, wherein: the maximum extension distance of the spring is 15 cm.

3. The seat back with good supporting effect as claimed in claim 1, wherein: the transverse section of the back board is concave.

4. The seat back with good supporting effect as claimed in claim 1, wherein: the thickness of the backrest plate is 6mm, and the distance between every two adjacent backrest plates is 4 cm.

5. The seat back with good supporting effect as claimed in claim 1, wherein: the outer part of the backrest plate is wrapped with a flexible package.

6. The seat back with good supporting effect as claimed in claim 1, wherein: the locking mechanism comprises a locking rod, one end of the locking rod is hinged to the middle supporting column, a locking sheet is arranged at the other end of the locking rod, an electric cylinder is further fixed on the side face of the middle supporting column, the telescopic end of the electric cylinder is hinged to the locking rod, a hinged joint is close to the locking sheet, and the electric cylinder is electrically connected with the controller.

7. The seat back with good supporting effect according to claim 6, wherein: the locking piece is made of anti-skid rubber.