CN212066257U

CN212066257U - Office chair capable of adjusting local curvature of backrest

Info

Publication number: CN212066257U
Application number: CN202020640011.7U
Authority: CN
Inventors: 黄春
Original assignee: Chongqing Three Gorges Medical College
Current assignee: Chongqing Three Gorges Medical College
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-04
Anticipated expiration: 2030-04-24

Abstract

The utility model belongs to the field of office appliances, and relates to an office chair capable of adjusting the local curvature of a backrest, which comprises a chair seat, a chair back and hollow chair legs, wherein a waist protection air bag is also arranged on one side of the chair back close to the chair seat in a matching way, and a neck protection air bag is also arranged on the chair back on one side far away from the chair seat in a matching way; the waist-protecting airbag and the neck-protecting airbag are respectively communicated with a first inflation system and a second inflation system which are arranged in the chair legs. The inflator pump is hidden in the hollow chair legs, so that the space is saved, and meanwhile, the curvature of the backrest of the office chair can be integrally changed according to requirements of different people on the shape conditions of the waist and the neck, and the like, so that the backrest of the office chair can be better attached to the waist and the neck of a user, and personalized waist and neck protecting effects are achieved.

Description

Office chair capable of adjusting local curvature of backrest

Technical Field

The utility model belongs to office accommodation field relates to an office chair of local curvature of adjustable back.

Background

With the continuous progress of society, the time that more and more people sit on work is prolonged. And long-time sitting posture causes the spine and the cervical vertebra to bear larger pressure, thereby causing the injury of the waist and the cervical vertebra. Office chair on the market reaches waist support effect or rib effect with modes such as material and shape design of office chair more, but every user has different demands to the waist of office chair or the curvature of neck because of the difference of its self size condition, and office chair on the market can't adjust the waist and the neck curvature of back according to individual demand to the laminating that can't be fine of back and user's waist and neck, reach fine waist support, rib effect.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an office chair with adjustable local curvature of backrest to solve the problem that the curvature of backrest of the existing office chair cannot be adjusted according to personal conditions.

In order to achieve the above purpose, the utility model provides a following technical scheme: an office chair capable of adjusting the local curvature of a backrest comprises a chair seat, a chair back and hollow chair legs, wherein a waist protecting air bag is also arranged on one side, close to the chair seat, of the chair back in a matched manner, and a neck protecting air bag is also arranged on one side, far away from the chair seat, of the waist protecting air bag on the chair back in a matched manner;

the waist-protecting airbag and the neck-protecting airbag are respectively communicated with a first inflation system and a second inflation system which are arranged in the chair legs.

Optionally, the first inflation system comprises a first inflation pipeline which is matched and communicated with the waist support airbag, and the other end of the first inflation pipeline is communicated with a first inflator pump;

the second inflation system comprises a second inflation pipeline which is matched and communicated with the neck protection air bag, and the other end of the second inflation pipeline is communicated with a second inflation pump.

Optionally, the first inflation pipeline and the second inflation pipeline are respectively provided with a first air outlet control valve and a second air outlet control valve in a matching manner, and the first air outlet control valve and the second air outlet control valve are arranged on two sides of the seat in a matching manner.

Optionally, the first inflator pump and the second inflator pump are respectively and fixedly mounted at the bottoms of different hollow chair legs in a matching manner, and a first inflation pedal and a second inflation pedal are respectively and fixedly mounted on the first inflator pump and the second inflator pump in a matching manner through air pistons.

Optionally, the air piston is provided with a plurality of through holes, and a one-way air inlet valve is installed in each through hole in a matching manner; and a return spring is also installed between the air piston and the bottoms of the first inflator pump and the second inflator pump in a matching way.

Optionally, the chair legs are further provided with sliding grooves matched with the first inflatable foot pedal and the second inflatable foot pedal for use.

Optionally, the first inflating foot pedal and the second inflating foot pedal are arranged in the chute in a matching manner, and are both partially fixed inside the chair leg and partially free outside the chair leg.

Optionally, the first inflation pipeline and the second inflation pipeline are respectively communicated with the bottoms of the first inflation pump and the second inflation pump in a matching manner.

The beneficial effects of the utility model reside in that: the utility model discloses can change the curvature of office chair back according to demands such as different people's waist, neck form condition to make office chair back can laminate better with user's waist, neck, in order to reach individualized waist support, rib effect.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a right side view of an office chair with adjustable local curvature of the backrest of the present invention;

fig. 2 is a left side view of an office chair with adjustable local curvature of the backrest of the present invention;

FIG. 3 is a schematic view of the inflator pump of the present invention with adjustable local curvature of the backrest;

fig. 4 is a schematic view of the air piston of the present invention capable of adjusting the local curvature of the backrest.

Reference numerals: the chair comprises a chair back 1, a chair seat 2, chair legs 3, a first inflation pipeline 4, a first inflator pump 5, a first air outlet control valve 6, a first inflation pedal 7, a second inflation pedal 8, a second inflation pipeline 9, a second inflator pump 10, a second air outlet control valve 11, an air piston 12, a return spring 13, a through hole 14, a waist support air bag 15 and a neck support air bag 16.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 4, an office chair capable of adjusting local curvature of a backrest includes a chair seat 2, a chair back 1 and hollow chair legs 3, wherein a waist-protecting airbag 15 is further disposed on one side of the chair back 1 close to the chair seat 2 in a matching manner, and a neck-protecting airbag 16 is further disposed on the chair back 1 on one side of the waist-protecting airbag 15 away from the chair seat 2 in a matching manner; the waist-protecting airbag 15 and the neck-protecting airbag 16 are respectively communicated with a first inflation system and a second inflation system which are arranged in the chair legs 3; the first inflation system comprises a first inflation pipeline 4 which is matched and communicated with the waist support airbag 15, and the other end of the first inflation pipeline 4 is communicated with a first inflator pump 5; the second inflation system comprises a second inflation pipeline 9 which is matched and communicated with the neck protection air bag 16, and the other end of the second inflation pipeline 9 is communicated with a second inflator pump 10; the first inflation pipeline 4 and the second inflation pipeline 9 are respectively provided with a first air outlet control valve 6 and a second air outlet control valve 11 in a matching way, the first air outlet control valve 6 and the second air outlet control valve 11 are respectively arranged on two sides of the chair seat 2 in a matching way, the first inflation pump 5 and the second inflation pump 10 are respectively fixedly arranged at the bottoms of different hollow chair legs 3 in a matching way, a first inflation pedal 7 and a second inflation pedal 8 are respectively arranged on the first inflation pipeline and the second inflation pipeline in a matching way through an air piston 12, the air piston 12 is provided with six through holes 14, and a one-way air inlet valve is arranged in each through hole 14 in a matching way, so that air is ensured to enter the interior of the inflation pump through a sliding groove but not; still match between the bottom of this air piston 12 and first pump 5 and second pump 10 and install reset spring 13, still set up on the chair leg 3 with first aerify running-board 7 and the cooperation of second aerify running-board 8 spout that uses, first aerify running-board 7 and the cooperation of second aerify running-board 8 set up in this spout, and be partly fixed in the chair leg 3 inside and partly dissociate outside the chair foot, first gas tube way 4 and second gas tube way 9 match respectively and communicate to the bottom of first pump 5 and second pump 10.

The utility model discloses when using, can inflate waist support gasbag 15 or rib gasbag 16 according to user's demand, here take waist support gasbag 15 as an example, close first play air control valve 6 at first, the foot steps on first inflation running-board 7 simultaneously and inflates waist support gasbag 15, inflate and can use after accomplishing, when needs according to the in service behavior gassing, open first play air control valve 6, the gas of waist support gasbag 15 will flow out to the air from first play air control valve 6 this moment, be a flow this moment, if need use, repeat above-mentioned flow; the neck airbag 16 inflates on the same principle as the waist airbag 15, and thus, it is not described in detail herein.

The utility model discloses simple structure hides the pump and adorns in hollow chair leg 3, has practiced thrift the space, wholly can change the curvature of office chair back simultaneously according to demands such as different people's waist, neck form condition to make office chair back can laminate better with user's waist, neck, in order to reach individualized waist support, rib effect.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an office chair of local curvature of adjustable back which characterized in that: the waist protection air bag is matched with the seat back at one side far away from the seat;

2. An office chair with adjustable local curvature of backrest as claimed in claim 1, wherein: the first inflation system comprises a first inflation pipeline which is matched and communicated with the waist support airbag, and the other end of the first inflation pipeline is communicated with a first inflation pump;

3. An office chair with adjustable local curvature of backrest as claimed in claim 2, wherein: and the first inflation pipeline and the second inflation pipeline are respectively provided with a first air outlet control valve and a second air outlet control valve in a matching manner, and the first air outlet control valve and the second air outlet control valve are arranged on two sides of the chair seat in a matching manner.

4. An office chair with adjustable local curvature of backrest as claimed in claim 2, wherein: the first inflator pump and the second inflator pump are respectively and fixedly installed at the bottoms of different hollow chair legs in a matching mode, and a first inflation pedal and a second inflation pedal are respectively installed on the first inflator pump and the second inflator pump in a matching mode through air pistons.

5. An office chair with adjustable local curvature of backrest as claimed in claim 4, wherein: the air piston is provided with a plurality of through holes, and a one-way air inlet valve is installed in each through hole in a matching manner; and a return spring is also installed between the air piston and the bottoms of the first inflator pump and the second inflator pump in a matching way.

6. An office chair with adjustable local curvature of backrest as claimed in claim 4, wherein: the chair legs are also provided with sliding grooves matched with the first inflatable foot board and the second inflatable foot board.

7. An office chair with adjustable local curvature of backrest as claimed in claim 6, wherein: the first inflating pedal and the second inflating pedal are arranged in the sliding groove in a matching mode, and are partially fixed inside the chair legs and partially dissociated outside the chair legs.

8. An office chair with adjustable local curvature of backrest as claimed in claim 2, wherein: the first inflation pipeline and the second inflation pipeline are respectively communicated to the bottoms of the first inflation pump and the second inflation pump in a matching mode.