CN214595128U - Adjustable backrest - Google Patents

Abstract

The utility model discloses an adjustable backrest, include: the utility model discloses a human body backrest, including pillar, an upper fixed plate, bottom plate, the other end of pillar, two back boards, two back board sliding connection between upper fixed plate and bottom plate, the back of human body and waist provide the support, can adjust the width according to the user of different sizes, increase personnel's comfort in use.

Description

Adjustable backrest

Technical Field

The utility model belongs to the technical field of adjustable back, more specifically relates to an adjustable back.

Background

The backrest refers to a chair back and a backrest handle, and the articles backed by a person are the backrest when the person sits. At present, the living standard is improved, partial crowd is fat, the size of the crowd is larger than the normal standard of a normal person, and the comfort level is influenced by the body type when the furniture is used. When a user sits on the seat for rest, the back cannot be effectively borne due to the narrow backrest, stress areas are reasonably distributed, the comfort is reduced, and the rest efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable back to the not enough of existence among the prior art, this back provides the support for the back and the waist of human body, can adjust the width according to the user of different sizes, increases personnel's use comfort.

In order to achieve the above object, the present invention provides an adjustable backrest, comprising:

a pillar;

an upper fixing plate disposed at one end of the pillar;

the lower fixing plate is arranged at the other end of the strut and is parallel to the upper fixing plate;

the two back boards are connected between the upper fixing board and the lower fixing board in a sliding mode.

Optionally, a sliding groove is formed in one side, close to each other, of the upper fixing plate and the lower fixing plate, and two ends of the backrest plate are slidably arranged in the sliding groove.

Optionally, a through groove is formed in the backrest plate.

Optionally, a headrest is arranged on the upper fixing plate.

Optionally, the headrest is rotatably connected to the upper fixing plate.

Optionally, a stop is disposed in the center of the chute.

Optionally, a damping slide rail is arranged in the chute, a fixed end of the damping slide rail is arranged on the bottom wall of the chute, and a sliding end of the damping slide rail is arranged on the backboard.

Optionally, the number of struts is two.

Optionally, the lower end of the strut is hinged to the seat.

Optionally, the backboard is embedded with a heating tube.

The utility model provides an adjustable backrest, its beneficial effect lies in:

1. the backrest provides support for the back and the waist of a human body, the width can be adjusted according to users with different body types, and the use comfort of the personnel is improved;

2. the inclination angle of the backrest is more in line with the ergonomics, and the human body feels more comfortable when leaning on the backrest;

3. the backrest can be adjusted according to personal requirements, and is suitable for the rest and use requirements of different people.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic structural view of an adjustable backrest according to an embodiment of the present invention.

Description of reference numerals:

1. a headrest; 2. an upper fixing plate; 3. a back board; 4. a lower fixing plate; 5. a pillar; 6. a through groove; 7. and a stop block.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Fig. 1 shows a schematic structural view of an adjustable backrest according to an embodiment of the present invention.

As shown in fig. 1, an adjustable backrest comprises:

a pillar 5;

an upper fixing plate 2 provided at one end of the column 5;

a lower fixing plate 4 disposed at the other end of the pillar 5 in parallel with the upper fixing plate 2;

two back boards 3, two back boards 3 are connected between the upper fixing board 2 and the lower fixing board 4 in a sliding way.

Specifically, the main frame is supported by the pillars 5 while its height is always identical to that of the back plate 3, the back plate 3 is fixed by fixedly coupling the upper and lower fixing plates 2 and 4, and the distance is changed by sliding the two back plates 3 between the upper and lower fixing plates 2 and 4, thereby changing the width of the back.

In this embodiment, the side of the upper fixing plate 2 and the lower fixing plate 4 close to each other is provided with a sliding groove, and two ends of the backrest plate 3 are slidably disposed in the sliding groove.

Specifically, the distance between the back boards 3 is changed by sliding the back boards 3 in the sliding grooves, and the width of the backrest is further changed.

In this embodiment, the back board 3 is provided with a through groove 6.

Specifically, the air permeability is improved by the through grooves 6.

Furthermore, the heating physiotherapy device is suitable for being used in physiotherapy places, and is convenient for the back physiotherapy machine to heat the physiotherapy back.

In the present embodiment, a headrest 1 is provided on the upper fixing plate 2.

In particular, the neck and the head are supported by the headrest 1, so that the comfort level is improved.

In this embodiment, the headrest 1 is pivotally connected to the upper fixing plate 2.

Specifically, be provided with the pivot between back cushion 1 and the upper fixed plate 2, connect the convenient adjustment back cushion 1 inclination through rotating, improve the comfort level.

In this embodiment, the chute center is provided with a stop 7.

Specifically, the back board 3 is limited by the stop block 7, so that the back board 3 is prevented from sliding reversely to cause dislocation.

In this embodiment, a damping slide rail is disposed in the sliding groove, a fixed end of the damping slide rail is disposed on the bottom wall of the sliding groove, and a sliding end of the damping slide rail is disposed on the backboard 3.

Specifically, the back board 3 can be freely and flexibly stopped at any position through the damping slide rail, and the adjustment is convenient.

In the present embodiment, the number of the pillars 5 is two.

In this embodiment the lower end of the strut 5 is hinged to the seat.

Specifically, the backrest is connected to the seat through the support column 5 in a hinged mode, the inclination angle of the backrest can be adjusted conveniently, and the comfort level is improved.

In this embodiment, the back board 3 is embedded with a heat pipe.

Specifically, the back of the physiotherapy is heated by a heating pipe.

When the backrest is used, for example, the backrest is used for the first time, the two backrest plates 3 are folded, then the backrest plates 3 are slid towards the two sides simultaneously, the two backrest plates 3 are separated to proper positions, then the backrest 1 is adjusted to ensure the comfort of the neck, the backrest can be directly leaned when being used again, or the steps are repeated for readjustment, and meanwhile, the backrest plates 3 can be slid at one side as required to adapt to different seats and sitting postures.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. An adjustable backrest, comprising:

a pillar;

an upper fixing plate disposed at one end of the pillar;

the lower fixing plate is arranged at the other end of the strut and is parallel to the upper fixing plate;

the two back boards are connected between the upper fixing board and the lower fixing board in a sliding mode.

2. The adjustable backrest according to claim 1, wherein a sliding groove is formed on a side of the upper fixing plate and a side of the lower fixing plate close to each other, and two ends of the backrest plate are slidably disposed in the sliding groove.

3. The adjustable backrest according to claim 1, wherein the back plate is provided with a through groove.

4. The adjustable backrest as claimed in claim 1, wherein a headrest is provided on the upper fixing plate.

5. An adjustable backrest according to claim 4, wherein said headrest is pivotally connected to said upper mounting plate.

6. An adjustable backrest according to claim 2, wherein said channel is centrally provided with a stop.

7. The adjustable backrest according to claim 2, wherein a damping slide rail is disposed in the sliding groove, a fixed end of the damping slide rail is disposed on a bottom wall of the sliding groove, and a sliding end of the damping slide rail is disposed on the backrest plate.

8. An adjustable backrest according to claim 1, wherein said struts are two in number.

9. An adjustable backrest according to claim 1, wherein the lower ends of said struts are hinged to the seat.

10. The adjustable backrest of claim 9, wherein the back plate is embedded with heat pipes.

Images