CN115251628A

CN115251628A - Adjustable office chair

Info

Publication number: CN115251628A
Application number: CN202210954921.6A
Authority: CN
Inventors: 郑碧春; 李兵
Original assignee: Shenzhen Jumi Furniture Co ltd
Current assignee: Shenzhen Jumi Furniture Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-01

Abstract

The invention discloses an adjustable office chair, which relates to the technical field of office appliances and comprises a chair seat and a chair back, wherein a supporting cylinder is fixedly arranged at the bottom end of the chair seat, an installation plate is fixedly arranged at the bottom end of the supporting cylinder, five connecting rods are fixedly arranged on the surface of the installation plate, universal wheels are fixedly arranged at one ends of the five connecting rods, handrail components are respectively arranged at two sides of the chair seat, a foot rest component is arranged at the bottom of the chair seat, the chair back is arranged at the back of the chair seat, a headrest component is arranged at the back of the chair back, and a waist pillow component is arranged in the middle of the chair back. The hand of a user can be conveniently placed through the arranged handrail component, and the height of the handrail in the handrail component can be adjusted, so that the handrail component is suitable for different people; the leg support assembly is convenient for support legs of resting personnel and can be folded to the bottom of the chair seat when not in use, so that the occupied space is reduced.

Description

Adjustable office chair

Technical Field

The invention relates to an office chair, in particular to an adjustable office chair, and belongs to the technical field of office appliances.

Background

The office chair is a single chair for indoor use, the swivel chair is an office chair with a seat surface capable of rotating in the horizontal direction, and the swivel chair is divided into two categories according to the adjustment mode of the office chair, wherein the chair seat and the chair back are adjustable;

the 'adjustable office chair' disclosed in the application number '202010587947.2' is an increasingly mature technology, and comprises a box body, a sliding frame, a seat, a first mounting seat, a rotating shaft, a chair, a connecting rod, a round sleeve, an armrest, a clamping rod, a fixed clamping shaft, a sliding plate, a mounting block and the like; the box bottom is provided with the carriage, and the box top is provided with the seat, and the box top is provided with first mount pad, is provided with the pivot on the first mount pad, and the arm-chair bottom symmetry is provided with the connecting rod, and the connecting rod other end is connected with the circle cover, and the arm-chair passes through the circle cover to be installed in the pivot. The invention achieves the effects of convenient rest and simple operation, but has the following defects in practical use:

the positions of the armrests and the headrest are fixed, so that the armrests and the headrest are not convenient to adjust, and the practicability is reduced.

Disclosure of Invention

The present invention provides an adjustable office chair to solve the problem of the prior art that the armrests and the headrest are fixed in position and are not easy to adjust.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an office chair with adjustable, includes the seat support and the back of the chair, the bottom mounting of seat support is equipped with the support cylinder, the bottom mounting of support cylinder is equipped with the mounting panel, the fixed surface of mounting panel is equipped with five connecting rods, five the one end of connecting rod is all fixed and is equipped with the universal wheel, the both sides of seat support all are equipped with handrail components, the bottom of seat support is equipped with the foot and holds in the palm the subassembly, the back of the chair sets up the back of seat support, the back of the chair is equipped with headrest components, the middle part of the back of the chair is equipped with waist pillow components.

Preferably, the handrail subassembly includes four alignment brackets, four support columns and two handrails, and is per two corresponding the alignment bracket is a set of, and is two sets of the alignment bracket is fixed the setting respectively and is in the both sides of seat support, four the adjustment tank has all been seted up to the both sides of alignment bracket, four the fixed adjusting screw who is equipped with adjustment tank sliding fit in bottom of support column one side, four the equal threaded connection in one end of adjusting screw has fixation nut, and is per two corresponding the support column is a set of, and is two sets of all fixed spliced pole, two of being equipped with between the support column the handrail is fixed the setting respectively and is two sets of the top of support column, two the bottom of handrail is all fixed and is equipped with the protection frame.

Preferably, the handrail component is including two storing grooves and two upper covers, two the storing groove is seted up respectively two the top of handrail, two the upper cover slides respectively and sets up two the top in storing groove, two the spout has all been seted up to the both sides in storing groove, two the both sides inner wall of upper cover is all fixed be equipped with spout sliding connection's slider.

Preferably, the headrest subassembly includes two links, removes frame and headrest, two the link is fixed to be set up the back of the chair, two the spread groove has all been seted up at the middle part of link, the bottom of the both sides of removing the frame is all fixed be equipped with spread groove sliding connection's connecting screw, two the equal threaded connection in one end of connecting screw has lock nut, the fixed mount pad that is equipped with in top of removing the frame, the headrest is fixed to be set up one side of mount pad.

Preferably, the waist pillow subassembly includes two shifting chutes, two removal seats and waist pillow, two the shifting chutes are seted up respectively the both sides side of the back of the chair, two the removal seat respectively with two shifting chute sliding connection, two one side of removing the seat all through the elastic webbing respectively with the both sides side elastic connection of waist pillow.

Preferably, the waist pillow component is still including closing plate, a plurality of guide cylinder, a plurality of removal post and massage roller, the closing plate is fixed to be set up the inboard of waist pillow, a plurality of the guide cylinder is fixed to be set up one side of closing plate, a plurality of remove the post respectively with a plurality of guide cylinder sliding connection, it is three the massage roller is fixed respectively to be set up at a plurality of the one end of removing the post.

Preferably, the surfaces of the guide cylinders are sleeved with connecting springs, and the connecting springs are respectively positioned between the sealing plate and the three massage rollers.

Preferably, the foot holds in the palm the bracing piece and the foot layer board that the subassembly includes two guide holders, U type, two the guide holder is fixed to be set up the bottom of seat support, bracing piece and two guide holder sliding connection, the both sides inner wall of bracing piece is all fixed and is equipped with the connecting axle, two rotate between the connecting axle and be connected with the rotation post, the foot layer board is fixed to be set up the surface of rotation post.

Preferably, both ends of the supporting rod are fixedly provided with limiting seats.

Compared with the related art, the adjustable office chair provided by the invention has the following beneficial effects:

1. the hand of a user can be conveniently placed through the arranged handrail component, and the height of the handrail in the handrail component can be adjusted, so that the handrail component is suitable for different people;

2. the leg parts of resting personnel can be conveniently supported by the arranged foot support assembly, and the foot support assembly can be folded to the bottom of the chair seat when not in use, so that the occupied space is reduced;

3. the head of a user can be supported by the arranged headrest assembly, and the headrest in the headrest assembly can be flexibly adjusted according to the position of the head of the user;

4. the waist pillow component can support the waist of a user, and the massage roller and the connecting spring are arranged in the waist pillow to massage the waist.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic view of the adjusted structure of the present invention;

FIG. 5 is an enlarged schematic view of the armrest assembly of the present invention;

FIG. 6 is a schematic view of a portion of the armrest assembly of the present invention;

FIG. 7 is an exploded view of the lumbar pillow assembly of the present invention;

FIG. 8 is an enlarged view of the foot rest assembly according to the present invention.

In the figure: 1. a chair seat; 2. a support cylinder; 3. mounting a plate; 4. a connecting rod; 5. a universal wheel; 6. an armrest assembly; 601. an adjusting bracket; 602. an adjustment groove; 603. a support pillar; 604. adjusting the screw rod; 605. fixing a nut; 606. connecting columns; 607. a handrail; 608. a protective frame; 609. a storage tank; 6010. an upper cover; 6011. a chute; 6012. a slider; 7. a chair back; 8. a headrest assembly; 801. a connecting frame; 802. connecting grooves; 803. a movable frame; 804. connecting a screw rod; 805. locking the nut; 806. a mounting seat; 807. a headrest; 9. a lumbar pillow assembly; 901. a moving groove; 902. a movable seat; 903. an elastic band; 904. a waist pillow; 905. a sealing plate; 906. a guide cylinder; 907. moving the column; 908. a massage roller; 909. a connecting spring; 10. a foot rest assembly; 1001. a guide seat; 1002. a support bar; 1003. a connecting shaft; 1004. rotating the column; 1005. a foot rest plate; 1006. a limiting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-8, the invention provides an adjustable office chair, which comprises a chair seat 1 and a chair back 7, wherein a supporting cylinder 2 is fixedly arranged at the bottom end of the chair seat 1, an installation plate 3 is fixedly arranged at the bottom end of the supporting cylinder 2, five connecting rods 4 are fixedly arranged on the surface of the installation plate 3, universal wheels 5 are fixedly arranged at one ends of the five connecting rods 4, handrail assemblies 6 are arranged on two sides of the chair seat 1, a foot rest assembly 10 is arranged at the bottom of the chair seat 1, the chair back 7 is arranged on the back of the chair seat 1, a headrest assembly 8 is arranged on the back of the chair back 7, and a lumbar pillow assembly 9 is arranged in the middle of the chair back 7;

the armrest component 6 comprises four adjusting frames 601, four supporting columns 603 and two armrests 607, each two corresponding adjusting frames 601 form a group, two groups of adjusting frames 601 are respectively and fixedly arranged at two sides of the chair seat 1, two sides of the four adjusting frames 601 are respectively provided with an adjusting groove 602, the bottom of one side of the four supporting columns 603 is fixedly provided with an adjusting screw 604 in sliding fit with the adjusting groove 602, one end of each four adjusting screw 604 is in threaded connection with a fixing nut 605, each two corresponding supporting columns 603 form a group, a connecting column 606 is respectively and fixedly arranged between the two groups of supporting columns 603, the two armrests 607 are respectively and fixedly arranged at the top ends of the two groups of supporting columns 603, and the bottom ends of the two armrests 607 are respectively and fixedly provided with a protective frame 608;

the armrest assembly 6 further comprises two storage grooves 609 and two upper covers 6010, the two storage grooves 609 are respectively formed at the top ends of the two armrests 607, the two upper covers 6010 are respectively slidably arranged at the tops of the two storage grooves 609, sliding grooves 6011 are respectively formed in two sides of the two storage grooves 609, and sliding blocks 6012 which are slidably connected with the sliding grooves 6011 are fixedly arranged on inner walls of two sides of the two upper covers 6010;

specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the two fixing nuts 605 are first unscrewed, the positions of the supporting columns 603 are then adjusted by the sliding fit of the adjusting screws 604 and the adjusting grooves 602, the heights of the two armrests 607 are adjusted, after the adjustment is completed, the two fixing nuts 605 are then screwed, the positions of the two supporting columns 603 are defined, the upper cover 6010 is then slid out by the sliding fit of the sliding blocks 6012 and the sliding grooves 6011, the articles are stored in the storage groove 609, and then the upper cover 6010 is reset, so that the articles inside the storage groove 609 are protected.

Example 2:

the headrest assembly 8 comprises two connecting frames 801, a moving frame 803 and a headrest 807, the two connecting frames 801 are fixedly arranged on the back of the chair back 7, connecting grooves 802 are formed in the middle parts of the two connecting frames 801, connecting screws 804 in sliding connection with the connecting grooves 802 are fixedly arranged at the bottoms of the two sides of the moving frame 803, locking nuts 805 are connected to one ends of the two connecting screws 804 in a threaded manner, a mounting seat 806 is fixedly arranged at the top end of the moving frame 803, and the headrest 807 is fixedly arranged on one side of the mounting seat 806;

specifically, as shown in fig. 1, 2, 3, and 4, the two locking nuts 805 are first loosened, the position of the moving frame 803 is then adjusted by the sliding fit of the connecting screw 804 and the connecting groove 802, the position of the headrest 807 is adjusted so as to correspond to the head of the user, and then the two locking nuts 805 are tightened to define the position of the headrest.

Example 3:

the waist pillow assembly 9 comprises two moving grooves 901, two moving seats 902 and a waist pillow 904, wherein the two moving grooves 901 are respectively formed in two side edges of the chair back 7, the two moving seats 902 are respectively in sliding connection with the two moving grooves 901, and one sides of the two moving seats 902 are respectively in elastic connection with two side edges of the waist pillow 904 through elastic belts 903;

the waist pillow component 9 further comprises a sealing plate 905, a plurality of guide cylinders 906, a plurality of moving columns 907 and massage rollers 908, wherein the sealing plate 905 is fixedly arranged on the inner side of the waist pillow 904, the plurality of guide cylinders 906 are fixedly arranged on one side of the sealing plate 905, the plurality of moving columns 907 are respectively in sliding connection with the plurality of guide cylinders 906, and the three massage rollers 908 are respectively fixedly arranged at one ends of the plurality of moving columns 907;

the surfaces of the guide cylinders 906 are all sleeved with connecting springs 909, and the connecting springs 909 are respectively positioned between the sealing plate 905 and the three massage rollers 908;

specifically, as shown in fig. 1, 2, 3, 4, and 7, the position of the lumbar pillow 904 is adjusted by sliding the movable slot 901 and the movable seat 902, and then the lumbar pillow 904 is attached to the surface of the seat back 7 by the elastic action of the two elastic bands 903, so that when the lumbar pillow 904 is pressed by the back of the user, the movable column 907 can be driven to slide into the guide tube 906, the movement of the movable column 907 can be buffered by the provided connecting spring 909, and the back of the user can be massaged by the provided three massage rollers 908.

Example 4:

specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 8, the foot rest assembly 10 includes two guide seats 1001, a U-shaped support rod 1002, and a foot rest plate 1005, the two guide seats 1001 are fixedly disposed at the bottom end of the seat 1, the support rod 1002 is slidably connected to the two guide seats 1001, the inner walls of the two sides of the support rod 1002 are fixedly provided with connecting shafts 1003, a rotating column 1004 is rotatably connected between the two connecting shafts 1003, and the foot rest plate 1005 is fixedly disposed on the surface of the rotating column 1004;

both ends of the support bar 1002 are fixedly provided with a limiting seat 1006;

take out the bottom of bracing piece 1002 from seat support 1, then through connecting axle 1003 and the normal running fit who rotates post 1004 with foot layer board 1005 upset 180 degrees to rotate foot layer board 1005 to the top of bracing piece 1002, and support foot layer board 1005 through bracing piece 1002, when not using, overturn foot layer board 1005 to the bottom of bracing piece 1002 again, and slide bracing piece 1002 to the bottom of seat support 1, reduce occupation space.

The working principle is as follows: when the device is used, the seat is moved to a use place through the five moving wheels 5, then the two fixing nuts 605 are unscrewed, the positions of the supporting columns 603 are adjusted through the sliding fit of the adjusting screw 604 and the adjusting groove 602, the heights of the two armrests 607 are adjusted, after the adjustment is completed, the two fixing nuts 605 are screwed, the positions of the two supporting columns 603 are limited, then the upper cover 6010 is slid out through the sliding fit of the sliding block 6012 and the sliding groove 6011, articles are stored through the storage groove 609, then the upper cover 6010 is reset, and the articles in the storage groove 609 are protected; then, the two locking nuts 805 are unscrewed, the position of the moving frame 803 is adjusted through the sliding fit of the connecting screw 804 and the connecting groove 802, the position of the headrest 807 is adjusted to correspond to the head of a user, and then the two locking nuts 805 are screwed to limit the position of the headrest; then the position of the waist pillow 904 is adjusted through the sliding fit of the moving groove 901 and the moving seat 902, the waist pillow 904 is attached to the surface of the chair back 7 under the elastic action of the two elastic belts 903, when the back of a user extrudes the waist pillow 904, the moving column 907 can be driven to slide into the guide cylinder 906, the movement of the moving column 907 can be buffered through the arranged connecting spring 909, and the back of the user is massaged through the arranged three massage rollers 908; when the user of service has a rest, take the bracing piece 1002 from the bottom of seat support 1 out, position through spacing 1006 to bracing piece 1002 is injectd, then through connecting axle 1003 and the normal running fit who rotates post 1004 with foot layer board 1005 upset 180 degrees, thereby rotate foot layer board 1005 to the top of bracing piece 1002, and support foot layer board 1005 through bracing piece 1002, make foot layer board 1005 support resting personnel's shank, improve the comfort level of rest, when not using at last, overturn foot layer board 1005 to the bottom of bracing piece 1002 again, and slide bracing piece 1002 to the bottom of seat support 1, reduce occupation space.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 with adjustable, includes seat support (1) and the back of the chair (7), the bottom mounting of seat support (1) is equipped with support cylinder (2), the bottom mounting of support cylinder (2) is equipped with mounting panel (3), the fixed surface of mounting panel (3) is equipped with five connecting rods (4), five the one end of connecting rod (4) is all fixed and is equipped with universal wheel (5), its characterized in that, the both sides of seat support (1) all are equipped with handrail component (6), the bottom of seat support (1) is equipped with foot support assembly (10), back of the chair (7) sets up the back of seat support (1), the back of the chair (7) is equipped with headrest subassembly (8), the middle part of the back of the chair (7) is equipped with waist pillow subassembly (9).

2. The adjustable office chair of claim 1, wherein: the armrest component (6) comprises four adjusting frames (601), four supporting columns (603) and two armrests (607), wherein each two corresponding adjusting frames (601) are a group, the two groups of adjusting frames (601) are respectively and fixedly arranged on two sides of the seat base (1), four adjusting grooves (602) are formed in two sides of each adjusting frame (601), four adjusting screws (604) in sliding fit with the adjusting grooves (602) are fixedly arranged at the bottom of one side of each supporting column (603), four adjusting screws (604) are arranged at one ends of the adjusting screws (604) and are in threaded connection with fixing nuts (605), each two corresponding supporting columns (603) are a group, connecting columns (606) are fixedly arranged between the two groups of supporting columns (603), the two armrests (607) are respectively and fixedly arranged on the two groups of top ends of the supporting columns (603), and two protection frames (608) are fixedly arranged at the bottom ends of the armrests (607).

3. An adjustable office chair as claimed in claim 2, wherein: the armrest component (6) further comprises two storage grooves (609) and two upper covers (6010), the two storage grooves (609) are respectively formed in the top ends of the two armrests (607), the two upper covers (6010) are respectively arranged at the tops of the two storage grooves (609) in a sliding mode, sliding grooves (6011) are formed in two sides of the two storage grooves (609), and sliding blocks (6012) which are connected with the sliding grooves (6011) in a sliding mode are fixedly arranged on the inner walls of the two sides of the upper covers (6010).

4. The adjustable office chair of claim 1, wherein: headrest subassembly (8) include two link (801), remove frame (803) and headrest (807), two link (801) are fixed to be set up the back of the chair (7), two spread groove (802) have all been seted up at the middle part of link (801), the bottom of the both sides of removing frame (803) is all fixed be equipped with spread groove (802) sliding connection's connecting screw rod (804), two the equal threaded connection in one end of connecting screw rod (804) has lock nut (805), the fixed mount pad (806) that are equipped with in top of removing frame (803), headrest (807) are fixed to be set up one side of mount pad (806).

5. The adjustable office chair of claim 1, wherein: the waist pillow assembly (9) comprises two moving grooves (901), two moving seats (902) and a waist pillow (904), wherein the two moving grooves (901) are respectively arranged at two side sides of the chair back (7), the two moving seats (902) are respectively in sliding connection with the two moving grooves (901), and one side of each moving seat (902) is respectively in elastic connection with two side sides of the waist pillow (904) through elastic bands (903).

6. An adjustable office chair as claimed in claim 5, wherein: the waist pillow component (9) further comprises a sealing plate (905), a plurality of guide cylinders (906), a plurality of movable columns (907) and massage rollers (908), wherein the sealing plate (905) is fixedly arranged on the inner side of the waist pillow (904), the guide cylinders (906) are fixedly arranged on one side of the sealing plate (905), the movable columns (907) are respectively connected with the guide cylinders (906) in a sliding mode, and the massage rollers (908) are respectively fixedly arranged at one ends of the movable columns (907).

7. An adjustable office chair as claimed in claim 6, wherein: the surfaces of the guide cylinders (906) are all sleeved with connecting springs (909), and the connecting springs (909) are respectively positioned between the sealing plate (905) and the three massage rollers (908).

8. The adjustable office chair of claim 1, wherein: the foot holds in palm subassembly (10) and includes bracing piece (1002) and the foot layer board (1005) of two guide holder (1001), U type, two guide holder (1001) are fixed to be set up the bottom of seat support (1), bracing piece (1002) and two guide holder (1001) sliding connection, the both sides inner wall of bracing piece (1002) all is fixed and is equipped with connecting axle (1003), two it rotates to be connected with between connecting axle (1003) and rotates post (1004), foot layer board (1005) are fixed to be set up the surface of rotating post (1004).

9. An adjustable office chair as claimed in claim 8, wherein: and both ends of the supporting rod (1002) are fixedly provided with limiting seats (1006).