CN219629153U

CN219629153U - Office chair with headrest and waist pillow convenient to adjust

Info

Publication number: CN219629153U
Application number: CN202320639001.5U
Authority: CN
Inventors: 陈煌
Original assignee: Foshan Eisenhower Furniture Co ltd
Current assignee: Foshan Eisenhower Furniture Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-05
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses an office chair with a headrest and a lumbar pillow convenient to adjust, which comprises a back frame, wherein a headrest lower bracket is arranged at the top of the back frame, a headrest upper bracket is hinged at the top of the headrest lower bracket, a plurality of grooves which are distributed in an annular shape are uniformly distributed on the left side and the right side of the top of the headrest lower bracket, salient points corresponding to the grooves are arranged on the inner side of the bottom of the headrest upper bracket, a headrest lifting piece is arranged on the front side of the headrest upper bracket, a longitudinally arranged headrest cover is connected on the inner side of the headrest lifting piece in a sliding manner, a headrest is connected with the headrest cover, a plurality of first protruding blocks which are longitudinally distributed are uniformly distributed on the front side of the headrest, and a first leaning block corresponding to the first protruding blocks is arranged on the rear side of the headrest lifting piece. The utility model has the advantages of easy adjustment of the front and back tilt angle of the headrest, accurate adjustment, easy adjustment of the upper and lower heights of the headrest, easy adjustment of the front and back positions of the waist pillow, easy adjustment of the upper and lower heights of the waist pillow, convenient use and improved use comfort.

Description

Office chair with headrest and waist pillow convenient to adjust

Technical Field

The utility model relates to the technical field of office chairs, in particular to an office chair with a headrest and a waist pillow convenient to adjust.

Background

The office chair is a seat which is frequently used in daily work of people, and the quality of the office chair influences the office comfort of people. For people sitting for a long time, the body is easy to feel tired, especially the neck and the waist are easy to feel tired and uncomfortable, and in order to solve the problem, a headrest and a waist pillow are designed for some office chairs so as to protect the cervical vertebra and the lumbar vertebra and improve the comfort of the office chairs in use. However, the up-down height of the headrest of the existing office chair cannot be adjusted, the front-back tilting angle cannot be adjusted, the up-down height of the waist pillow cannot be adjusted, the front-back position cannot be adjusted, the office chair cannot be suitable for the use needs of different human bodies, the use comfort is affected, and the experience of consumers is poor. Accordingly, there is a need for improvements in the art to avoid the disadvantages of the prior art.

Disclosure of Invention

The utility model aims to overcome the defects and the shortcomings in the prior art and provides an office chair with a headrest and a waist pillow convenient to adjust.

The utility model is realized by the following technical scheme:

the utility model provides a headrest and convenient office chair of waist pillow adjustment, includes back frame, a headrest lower carriage is installed at the top of back frame, headrest upper bracket is articulated at the top of headrest lower carriage, headrest lower carriage top's left and right sides equipartition is equipped with a plurality of recesses that are annular distribution, headrest upper bracket bottom's inboard is equipped with the bump that corresponds with the recess, headrest upper bracket's front side is installed a headrest lifter, headrest lifter's inboard sliding connection has a vertically-arranged headrest lid, the headrest lid is connected with a headrest, headrest lifter's front side equipartition is equipped with a plurality of first lugs of vertically arranging, headrest lifter's rear side is equipped with first butt piece that corresponds with first lug, back frame's lower part is equipped with a sleeve that extends back and forth, the inboard of sleeve is sliding connection has a spring sleeve, the inboard of spring sleeve installs a waist spring that supports the spring sleeve front end, a back sliding connection has a waist rest, the back side of the knob that the waist lifter has a knob that the knob is locked with the back of the knob is equipped with, a pillow lifter is equipped with a plurality of longitudinal sleeve that the waist lifter is locked, a pillow is connected with a knob that the waist lifter is equipped with, a knob that the waist lifter is locked is equipped with the pillow is connected with a plurality of longitudinal pillow bottom of the pillow, a knob that the knob is locked with the pillow is arranged at the back side of the back of the knob, a knob is locked by the knob that the knob is equipped with the back side of the knob, the rear side of the waist pillow lifting piece is provided with a second abutting block corresponding to the second convex block.

Further, the left and right sides at the top of the headrest lower bracket are provided with headrest rotary decorative covers.

Further, a knob cover is arranged on the rear side cover of the knob.

Further, a sleeve cover is arranged on the front side cover of the spring sleeve.

Further, a knob inner sleeve for the locking knob to be screwed is arranged at the bottom of the spring sleeve.

Further, handrails are arranged on the left side and the right side of the middle of the back frame.

Further, the bottom of back of body frame is connected with a bedplate, pedal mounting is all installed to the left and right sides of bedplate bottom, pedal mounting sliding connection has pedal telescopic link, a pedal is installed to the front side of pedal telescopic link.

Further, an air rod mounting hole is formed in the bottom of the seat plate, and an air rod lifting piece is mounted above the air rod mounting hole.

Compared with the prior art, the utility model has the advantages that the top of the headrest lower bracket is hinged with the headrest upper bracket, the left side and the right side of the top of the headrest lower bracket are uniformly provided with the plurality of annularly distributed grooves, the inner side of the bottom of the headrest upper bracket is provided with the convex points corresponding to the grooves, the inner side of the headrest lifting piece is in sliding connection with the headrest cover which is longitudinally arranged, the front side of the headrest is uniformly provided with the plurality of first convex blocks which are longitudinally arranged, the rear side of the headrest lifting piece is provided with the first abutting blocks which correspond to the first convex blocks, the adjustment of the front and rear tilting angle of the headrest is easy and accurate, the adjustment of the upper and lower heights of the headrest is easy, the use is convenient, the use comfort is improved, the front and rear sides of the inner sides of the sleeves are in sliding connection with the spring sleeve, the inner sides of the spring sleeve are provided with the waist headrest spring which abuts against the front end of the spring sleeve, the front and rear sides of the spring sleeve are in sliding connection with the abutting piece, the back side of the supporting piece is connected with a knob in a threaded way, the bottom of the sleeve is provided with a locking knob, the locking knob is provided with a waist pillow locking rod, the bottom of the spring sleeve is provided with a plurality of locking holes corresponding to the waist pillow locking rod, the front side of the spring sleeve is provided with a waist pillow lifting piece, the inner side of the waist pillow lifting piece is connected with a longitudinally arranged waist pillow cover in a sliding way, the waist pillow cover is connected with a waist pillow, the front side of the waist pillow is uniformly provided with a plurality of longitudinally arranged second convex blocks, the back side of the waist pillow lifting piece is provided with a second supporting block corresponding to the second convex blocks, the front and back positions of the waist pillow are easy to adjust, the knob is rotated, the threaded pushing rod drives the supporting piece to move back and forth, the front and back positions of the waist pillow at the front side of the spring sleeve are pushed by the waist pillow spring to adjust, the waist pillow locking knob is rotated, and the waist pillow locking rod locks the spring sleeve, thereby locking the front and back positions of the waist pillow, and simultaneously the upper and lower height of the waist pillow is easy to adjust, the use is convenient, and the use comfort is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of an office chair with a headrest and a lumbar pillow of the present utility model being convenient to adjust;

FIG. 2 is an exploded view of the office chair with the headrest and lumbar support of the present utility model being conveniently adjusted;

fig. 3 is an enlarged view of a portion a of fig. 2;

fig. 4 is an enlarged view of a portion B of fig. 2;

fig. 5 is an enlarged view of a portion C of fig. 2.

In the figure: 1-a back frame; 2-a headrest lower bracket; 3-a headrest upper bracket; 4-grooves; 5-headrest lifters; 6-headrest cover; 7-a headrest; 8-first bumps; 9-a sleeve; 10-a spring sleeve; 11-lumbar pillow springs; 12-an abutment; 13-a threaded push rod; 14-a knob; 15-locking a knob; 16-lumbar pillow locking bar; 17-lumbar pillow lifting pieces; 18-waist pillow cover; 19-lumbar pillow; 20-second bumps; 21-headrest rotating decorative cover; 22-a knob cover; 23-sleeve cap; 24-a knob inner sleeve; 25-armrests; 26-seat board; 27-pedal fixing piece; 28-pedal telescopic rod; 29-pedal; 30-a gas rod lifting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The office chair with convenient adjustment of the headrest and the waist pillow comprises a back frame 1, wherein a headrest lower bracket 2 is arranged at the top of the back frame 1, a headrest upper bracket 3 is hinged at the top of the headrest lower bracket 2, a plurality of grooves 4 distributed in a ring shape are uniformly distributed on the left side and the right side of the top of the headrest lower bracket 2, protruding points corresponding to the grooves 4 are arranged on the inner side of the bottom of the headrest upper bracket 3, a headrest lifting piece 5 is arranged on the front side of the headrest upper bracket 3, a headrest cover 6 arranged longitudinally is slidingly connected on the inner side of the headrest lifting piece 5, a headrest 7 is connected on the headrest cover 6, a plurality of first protruding blocks 8 distributed longitudinally are uniformly distributed on the front side of the headrest 7, a first supporting block corresponding to the first protruding blocks is arranged on the rear side of the headrest lifting piece 5, a sleeve 9 extending forwards and backwards is arranged on the lower part of the back frame 1, the inner side of the sleeve 9 is connected with a spring sleeve 10 in a front-back sliding way, the inner side of the spring sleeve 10 is provided with a lumbar pillow spring 11 propping against the front end of the spring sleeve 10, the front-back sliding way of the spring sleeve 10 is provided with a propping piece 12, the rear end of the lumbar pillow spring 11 props against the rear end of the propping piece 12, the propping piece 12 is connected with a threaded pushing rod 13 in a threaded way, the rear side of the threaded pushing rod 13 is connected with a knob 14, the bottom of the sleeve 9 is provided with a locking knob 15, the locking knob 15 is provided with a lumbar pillow locking rod 16, the bottom of the spring sleeve 10 is provided with a plurality of locking holes corresponding to the lumbar pillow locking rod 16, the front side of the spring sleeve 10 is provided with a lumbar pillow lifting piece 17, the inner side of the lumbar pillow lifting piece 17 is connected with a lumbar pillow cover 18 which is arranged longitudinally, the lumbar pillow cover 18 is connected with a lumbar pillow 19, the front side of the lumbar pillow 19 is uniformly provided with a plurality of second lugs 20 which are distributed longitudinally, the rear side of the lumbar pillow lifter 17 is provided with a second abutment corresponding to the second bump 20. The top of the headrest lower bracket 2 is hinged with a headrest upper bracket 3, the left side and the right side of the top of the headrest lower bracket 2 are uniformly provided with a plurality of grooves 4 which are distributed in an annular shape, the inner side of the bottom of the headrest upper bracket 3 is provided with convex points corresponding to the grooves, the inner side of a headrest lifting piece 5 is in sliding connection with a longitudinally arranged headrest cover 6, the front side of the headrest 7 is uniformly provided with a plurality of longitudinally arranged first convex blocks 8, the rear side of the headrest lifting piece 5 is provided with a first abutting block corresponding to the first convex blocks 8, the front and rear inclination angle of the headrest 7 is easy to adjust and accurate, the upper and lower height of the headrest 7 is easy to adjust, the use is convenient, the use comfort is improved, a spring sleeve 10 is connected with the inner side of the sleeve 9 in a sliding manner, a waist-rest spring 11 which abuts against the front end of the spring sleeve is arranged on the inner side of the spring sleeve 10 in a sliding manner, the front and rear of the spring sleeve 10 is connected with a abutting piece 12 in a sliding manner, the propping piece 12 is connected with a screw pushing rod 13 in a screwed manner, the rear side of the screw pushing rod 13 is connected with a knob 14, the bottom of the sleeve 9 is provided with a locking knob 15, the locking knob 15 is provided with a waist pillow locking rod 16, the bottom of the spring sleeve 10 is provided with a plurality of locking holes corresponding to the waist pillow locking rod 16, the front side of the spring sleeve 10 is provided with a waist pillow lifting piece 17, the inner side of the waist pillow lifting piece 17 is connected with a longitudinally arranged waist pillow cover 18 in a sliding manner, the waist pillow cover 18 is connected with a waist pillow 19, the front side of the waist pillow 19 is uniformly provided with a plurality of longitudinally arranged second lugs 20, the rear side of the waist pillow lifting piece 17 is provided with a second propping block corresponding to the second lugs 20, so that the front and rear positions of the waist pillow 19 are easy to adjust, the knob 14 is rotated, the screw pushing rod 13 drives the propping piece 12 to move forwards and backwards, the front side of the waist pillow 19 is pushed by the waist pillow spring 11 to move forwards and backwards, so that the front side of the spring sleeve 10 is adjusted forwards and backwards, the locking knob 15 is turned, and the waist pillow locking rod 16 locks the spring sleeve 10, so that the front and back positions of the waist pillow 19 are locked, and meanwhile, the upper and lower heights of the waist pillow 19 are easy to adjust, the use is convenient, and the use comfort is improved.

The left side and the right side at the top of the headrest lower support 2 are provided with headrest rotary decorative covers 21, so that the headrest lower support 2 and the headrest upper support 3 are conveniently connected and installed through hinge screws.

The rear side cover of the knob 14 is provided with a knob cover 22, which is convenient for the knob 14 to be connected and installed with the screw pushing rod 13 through a screw.

The front side cover of the spring sleeve 10 is provided with a sleeve cover 23, so that the spring sleeve 10 is more convenient to install, the front and back movement is smoother, and the spring sleeve 10 is prevented from falling off.

The bottom of the spring sleeve 10 is provided with a knob inner sleeve 24 for the locking knob 15 to be screwed, so that the locking knob 15 is more stably installed, and the waist pillow locking rod 16 moves up and down stably.

Handrails 25 are arranged on the left side and the right side of the middle part of the back frame 1, so that the hand of a person can be conveniently placed, and the use is more comfortable.

The bottom of the back frame 1 is connected with a seat board 26, pedal fixing pieces 27 are arranged on the left side and the right side of the bottom of the seat board 26, pedal telescopic rods 28 are slidably connected with the pedal fixing pieces 27, and pedals 29 are arranged on the front sides of the pedal telescopic rods 28, so that the pedals 29 can extend forwards, the feet of a human body can be conveniently placed, and the use is more comfortable.

The bottom of bedplate 26 is equipped with the gas pole mounting hole, and gas pole lifting piece 30 is installed to the top of gas pole mounting hole, makes things convenient for the installation of lift gas pole, makes the lift gas pole control easily, improves the stationarity that the office chair goes up and down.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. An office chair with a headrest and a waist pillow convenient to adjust, which is characterized in that: including back frame, a headrest lower carriage is installed at the top of back frame, the top of headrest lower carriage articulates there is a headrest upper bracket, headrest lower carriage top's left and right sides equipartition is equipped with a plurality of recesses that are annular distribution, headrest upper bracket bottom's inboard be equipped with the bump that the recess corresponds, a headrest lifter is installed to headrest upper bracket's front side, headrest lifter's inboard sliding connection has a vertically-arranged headrest lid, the headrest lid is connected with a headrest, headrest's front side equipartition is equipped with a plurality of first lugs of vertically arranging, headrest lifter's rear side be equipped with first butt piece that corresponds of first lug, the lower part of back frame is equipped with a sleeve that extends around, telescopic inboard front and back sliding connection has a spring sleeve, a butt spring sleeve's inboard is installed the lumbar support spring of spring sleeve front end, a back sliding connection has a butt piece, lumbar support spring's rear end push the headrest lid has a vertically-arranged headrest lid, a pillow is equipped with a plurality of longitudinal tie rod is locked with a knob lock the back side, a pillow is equipped with a plurality of longitudinal tie rod is locked to the back side, a pillow is equipped with a pillow is locked to the back side, a pillow is locked with a knob, a longitudinal pillow is equipped with a knob lock.

2. The office chair with convenient headrest and lumbar pillow adjustment according to claim 1, characterized in that: the left and right sides at headrest lower carriage top all install headrest rotation decoration lid.

3. The office chair with convenient headrest and lumbar pillow adjustment according to claim 1, characterized in that: the back side cover of the knob is provided with a knob cover.

4. The office chair with convenient headrest and lumbar pillow adjustment according to claim 1, characterized in that: the front side cover of the spring sleeve is provided with a sleeve cover.

5. The office chair with convenient headrest and lumbar pillow adjustment according to claim 1, characterized in that: the bottom of the spring sleeve is provided with a knob inner sleeve for the locking knob to be screwed.

6. The office chair with convenient headrest and lumbar pillow adjustment according to claim 1, characterized in that: armrests are arranged on the left side and the right side of the middle of the back frame.

7. The office chair with convenient headrest and lumbar pillow adjustment according to claim 1, characterized in that: the back frame is characterized in that the bottom of the back frame is connected with a seat board, pedal fixing pieces are arranged on the left side and the right side of the bottom of the seat board, pedal telescopic rods are connected with the pedal fixing pieces in a sliding mode, and a pedal is arranged on the front side of each pedal telescopic rod.

8. The office chair with convenient headrest and lumbar adjustment according to claim 7, wherein: the bottom of the seat board is provided with an air rod mounting hole, and an air rod lifting piece is arranged above the air rod mounting hole.