CN213046168U

CN213046168U - Office chair with adjustable waist backrest

Info

Publication number: CN213046168U
Application number: CN202022184917.5U
Authority: CN
Inventors: 廖秀英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-27
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses an official working seat that adjustable waist was backed, vaulting pole including the symmetry setting, vaulting pole correspondence portion from the top down is equipped with a plurality of first locking portions, all overlaps in the first locking portion to be equipped with an adjustment section of thick bamboo, and relative one side of an adjustment section of thick bamboo all is equipped with the adjusting plate, inside the relative one end of adjusting plate all extended to the stop collar, on the same one side of stop collar all was fixed in the support, the inside department that the adjusting plate is located the stop collar was equipped with second locking portion, the first via hole cooperation on second locking portion and the stop collar. The utility model discloses in, the vaulting pole is used for supporting whole back, and first locking portion corresponds the waist position, and the adjustment barrel casing is established on the vaulting pole, and through the position of removing an adjustment section of thick bamboo, realizes an adjustment section of thick bamboo and the cooperation of the first locking portion that corresponds, and then the high position of adjustment setoff. And the height that the adjusting plate can adjust the support arch through adjusting the second locking portion and the first via hole complex position that corresponds to realize providing sufficient support to the people of different sizes.

Description

Office chair with adjustable waist backrest

Technical Field

The utility model relates to an official working seat field, concretely relates to official working seat of adjustable waist back.

Background

Office chairs refer to various chairs which are convenient to work in daily work, and the existing office chairs are usually customized in batches in offices, but office workers are different in body types and cannot be completely adapted.

Particularly, the position of the backrest part of the chair is constant, so that the chair is not friendly to short or tall people, and the waist of the chair cannot be well supported during long-time sitting, so that the chair is very easy to fatigue, and even causes humpback seriously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an office chair that adjustable waist backed to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides an office chair that adjustable waist was backed, includes the vaulting pole that the symmetry set up, vaulting pole correspondence portion from the top down is equipped with a plurality of first locking portions, all overlap in the first locking portion and be equipped with an adjustment section of thick bamboo, and the relative one side of an adjustment section of thick bamboo all is equipped with the adjusting plate, the relative one end of adjusting plate all extends to the stop collar inside, the same one side of stop collar all is fixed in the support, the inside department that the adjusting plate is located the stop collar is equipped with second locking portion, second locking portion and the first via hole cooperation on the stop collar.

Furthermore, the position of the stay bar at the first locking part is of a hollow structure, a plurality of elastic pieces are arranged on the inner side of the middle part from top to bottom, column heads penetrating through the wall of the stay bar are arranged on one sides of the elastic pieces, and the column heads are matched with second through holes in the limiting sleeve.

Furthermore, a plurality of reinforcing ribs connected with the susceptor are arranged between the limiting sleeves.

Furthermore, the second locking portion comprises a limiting block embedded on the adjusting plate, the limiting block is connected with the adjusting plate in a sliding mode, and the end portion, located on the inner side of the adjusting plate, of the limiting block is connected with the inner portion of the adjusting plate through a compression spring.

Further, one side of the susceptor far away from the stay bar is of a C-shaped structure.

Furthermore, the support rod, the adjusting cylinder, the adjusting plate and the limiting sleeve are all made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, the vaulting pole is used for supporting whole back, and first locking portion corresponds the waist position, and the adjustment barrel casing is established on the vaulting pole, and through the position of removing an adjustment section of thick bamboo, realizes an adjustment section of thick bamboo and the cooperation of the first locking portion that corresponds, and then the high position of adjustment setoff. And the height that the adjusting plate can adjust the support arch through adjusting the second locking portion and the first via hole complex position that corresponds to realize providing sufficient support to the people of different sizes.

Drawings

FIG. 1 is a side view of an office chair with an adjustable lumbar backrest;

FIG. 2 is a top view of an office chair with an adjustable lumbar backrest;

FIG. 3 is a schematic view of a stay bar of an office chair with adjustable lumbar back;

fig. 4 is a schematic structural view of a second locking portion in an office chair with an adjustable lumbar backrest.

In the figure: 1. a stay bar; 2. a first locking portion; 3. an adjustment barrel; 4. an adjustment plate; 5. a limiting sleeve; 6. carrying out susceptor; 7. a second locking portion; 8. a first via hole; 9. an elastic sheet; 10. a column cap; 11. a second via hole; 12. reinforcing ribs; 13. a limiting block; 14. compressing the spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an office chair that adjustable waist was backed, vaulting pole 1 including the symmetry setting, 1 corresponding portion from the top down of vaulting pole is equipped with a plurality of first locking portions 2, all overlap on the first locking portion 2 and be equipped with an adjustment section of thick bamboo 3, and the relative one side of an adjustment section of thick bamboo 3 all is equipped with adjusting plate 4, adjusting plate 4's relative one end all extends to the stop collar 5 inside, stop collar 5 all is fixed in the support 6 with one side on, adjusting plate 4 is located the inside department of stop collar 5 and is equipped with second locking portion 7, second locking portion 7 cooperates with first via hole 8 on the stop collar 5.

The stay bar 1 is used for supporting the whole backrest, the first locking part 2 corresponds to the waist position, the adjusting cylinder 3 is sleeved on the stay bar 1, and the adjusting cylinder 3 is matched with the corresponding first locking part 2 by moving the position of the adjusting cylinder 3, so that the height position of the support 6 is adjusted. The adjusting plate 4 can adjust the height of the support 6 by adjusting the position of the second locking part 7 matched with the corresponding first through hole 8, so that people with different body types can be supported sufficiently.

The strut 1 is of a hollow structure at the position of the first locking portion 2, a plurality of elastic pieces 9 are arranged on the inner side of the middle portion from top to bottom, column heads 10 penetrating through the rod walls of the strut 1 are arranged on one sides of the elastic pieces 9, the column heads 10 are matched with second through holes 11 in the limiting sleeves 5, the column heads 10 are ejected out through the elastic action of the elastic pieces 9, locking with the adjusting cylinder 3 is achieved, and when the column heads 10 are pressed to the position inside the strut 1, the adjusting cylinder 3 can be moved, and adjustment of the adjusting cylinder 3 is conducted.

A plurality of reinforcing ribs 12 connected with the susceptor 6 are arranged between the limiting sleeves 5, so that the overall structural strength of the connection between the susceptor 6 and the limiting sleeves 5 is improved.

Wherein, the second locking part 7 preferably has the following structure: including inlaying the stopper 13 of locating on adjusting plate 4, and stopper 13 and adjusting plate 4 sliding connection, stopper 13 is located the inside connection of the inboard tip of adjusting plate 4 through compression spring 14 and adjusting plate 4, is similar to first locking portion 2, and stopper 13 and the cooperation of stop collar 5 through stretching out realize adjusting plate 4's position and prescribe a limit to when pressing stopper 13 to adjusting plate 4 inside, can remove adjusting plate 4.

One side of the support 6, which is far away from the stay bar 1, is of a C-shaped structure, so that the support 6 is attached to the waist of a human body as far as possible, and the human body has better comfort.

The stay bar 1, the adjusting cylinder 3, the adjusting plate 4 and the limiting sleeve 5 are all made of stainless steel, so that the structural strength of each part is enough, and the use requirement is met.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an office chair that adjustable waist was backed, includes vaulting pole (1) that the symmetry set up, its characterized in that: vaulting pole (1) correspondence portion from the top down is equipped with a plurality of first locking portion (2), all the cover is equipped with an adjustment section of thick bamboo (3) on first locking portion (2), and the relative one side of an adjustment section of thick bamboo (3) all is equipped with adjusting plate (4), the relative one end of adjusting plate (4) all extends to stop collar (5) inside, on the same one side of stop collar (5) all is fixed in the support (6), the inside department that adjusting plate (4) are located stop collar (5) is equipped with second locking portion (7), second locking portion (7) cooperate with first via hole (8) on stop collar (5).

2. An office chair with adjustable lumbar back as claimed in claim 1, wherein: the stay bar (1) is of a hollow structure at the position of the first locking part (2), a plurality of elastic pieces (9) are arranged on the inner side of the middle part from top to bottom, column heads (10) penetrating through the bar wall of the stay bar (1) are arranged on one sides of the elastic pieces (9), and the column heads (10) are matched with second through holes (11) in the limiting sleeve (5).

3. An office chair with adjustable lumbar back as claimed in claim 1, wherein: a plurality of reinforcing ribs (12) connected with the susceptor (6) are arranged between the limiting sleeves (5).

4. An office chair with adjustable lumbar back as claimed in claim 1, wherein: second locking portion (7) are including inlaying stopper (13) of locating on adjusting plate (4), and stopper (13) and adjusting plate (4) sliding connection, stopper (13) are located the inside connection of the tip of adjusting plate (4) inboard through compression spring (14) and adjusting plate (4).

5. An office chair with adjustable lumbar back as claimed in claim 1, wherein: one side of the susceptor (6) far away from the stay bar (1) is of a C-shaped structure.

6. An office chair with adjustable lumbar back as claimed in claim 1, wherein: the support rod (1), the adjusting cylinder (3), the adjusting plate (4) and the limiting sleeve (5) are all made of stainless steel.