CN210727256U

CN210727256U - Office chair

Info

Publication number: CN210727256U
Application number: CN201921909024.3U
Authority: CN
Inventors: 庞邵龙; 孙西峰; 何鹏; 王运礼; 赵海宝
Original assignee: Chednol Creative Furniture Co ltd
Current assignee: Chednol Creative Furniture Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-12
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to an office chair, including the seat support, be located the back of the chair of seat support rear end and be located the supporting leg that the seat support bottom supported, the bottom that is located the lateral wall of the back of the chair left and right sides is provided with length direction respectively from the rear end of seat support to the installation piece that the front end direction of seat support set up, it links to each other to rotate between installation piece length direction's one end and the back of the chair, the back of the chair is provided with the bustle towards one side bottom of seat support, both ends are provided with respectively about the bustle and run through the installation piece and slide the inserted bar that links to each other with the installation piece, be provided with the jack that supplies the inserted bar to pass on the installation piece, be provided with on the installation piece and be used for fixing the mounting of inserted bar, the below of installation. The utility model discloses have and support the waist of people to the effect of protecting is carried out to people's lumbar vertebrae.

Description

Office chair

Technical Field

The utility model belongs to the technical field of office furniture's technique and specifically relates to an office chair is related to.

Background

In the current office place, various modern facilities are all the same, and infinite possibilities are provided for efficient office. Under the large background of increasingly fierce world competition, the work rhythm of people is also accelerating continuously, and for many office workers, the long-time work of bending over a table is home-style meal.

While office workers pay more attention to common chronic diseases such as cervical vertebra and mouse hands, many people often neglect fragile lumbar vertebrae. Since the lumbar vertebrae should be in a state of supporting the body for a long time due to a long-time posture, the lumbar vertebrae may be fatigued over time, thereby causing a lesion. The office chair comprises a chair seat, a chair back, armrests and supporting legs, wherein the chair back is located at the rear end of the chair seat, the armrests are located on two sides of the chair seat, and the supporting legs are located at the bottom end of the chair seat and used for supporting the chair seat.

Therefore, the existing office chair has limited support for the back of a person, particularly the waist, and the adjustment of the support position is not flexible enough, so that the waist of the person cannot be supported well.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an office chair, it has the waist of people and supports to the effect of protecting the lumbar vertebrae of people.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an office chair, includes the seat support, is located the back of the chair of seat support rear end and is located the support leg that the seat support bottom supported the seat support, and the bottom that is located the lateral wall of the back of the chair left and right sides is provided with length direction respectively from the rear end of seat support to the installation piece that the front end direction of seat support set up, it links to each other to rotate between installation piece length direction's one end and the back of the chair, the back of the chair is provided with the bustle towards one side bottom of seat support, both ends are provided with respectively about the bustle run through the installation piece and slide the inserted bar that links to each other with the installation piece, be provided with the jack that supplies the inserted bar to pass on the installation piece, be provided with on the installation piece and be used for fixing the mounting of inserted.

Through adopting above-mentioned technical scheme, can adjust the high position that the people that can be based on different statures were located position and bustle around the bustle to when guaranteeing that the people sits on the seat, the bustle can support the position of people's waist, thereby protects people's lumbar vertebrae.

The utility model discloses further set up to: the angle adjusting mechanism comprises a slide rail vertically fixed on the chair back, a connecting rod is arranged between the slide rail and the installation block, one end of the connecting rod is hinged to the installation block, the other end of the connecting rod is connected with the slide rail in a sliding mode through a sliding block, and a driving assembly for driving the sliding block to move on the slide rail in the vertical direction is arranged on the slide rail.

By adopting the technical scheme, the included angle between the mounting block and the horizontal plane can be adjusted only by controlling the sliding block to move up and down through the driving assembly.

The utility model discloses further set up to: the slide rail is seted up the spout towards one side of slide rail and the contained angle that the installation piece formed, the slider is located the inside of spout and slides with the length direction along the spout.

Through adopting above-mentioned technical scheme, can lead for the slider through the spout, ensure that the moving direction of slider can not appear cheaply, hide the slider in inside through the spout simultaneously, make the slider not fragile.

The utility model discloses further set up to: the drive assembly comprises a lead screw which is rotatably supported inside the sliding groove, the length direction of the lead screw is arranged along the length direction of the sliding groove, and a driving piece used for driving the lead screw to rotate is arranged at the bottom end of the lead screw.

By adopting the technical scheme, when the sliding block is moved to a required position, the position of the sliding block cannot be changed.

The utility model discloses further set up to: the bustle includes the mounting panel of being made by hard material and pastes the soft pad on the mounting panel.

Through adopting above-mentioned technical scheme, the bustle can increase the flexibility of bustle through soft pad when lieing in people's waist position looks butt to increase bustle when butt in people waist position department people's comfort level.

The utility model discloses further set up to: the soft packing pad pass through the magic paste with the mounting panel is pasted and is linked to each other.

Through adopting above-mentioned technical scheme, when soft pad takes place to damage or need wash, can take off soft pad from the mounting panel.

The utility model discloses further set up to: the surface of one side of the chair back facing the chair seat is provided with a soft cushion.

By adopting the technical scheme, the comfort level of a person is improved when the person leans against the chair back.

The utility model discloses further set up to: the supporting legs comprise vertically arranged lifting columns and chair feet positioned at the bottom ends of the lifting columns, and rollers are arranged at the bottom ends of the chair feet.

Through adopting above-mentioned technical scheme, can go up and down and be convenient for remove office chair to the height of seat.

The utility model discloses further set up to: the mounting block is provided with a threaded hole communicated with the jack, and the fixing piece is a jackscrew in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, can be quick fix the inserted bar through rotating the jackscrew.

The utility model discloses further set up to: a plurality of clamping grooves capable of enabling the jackscrews to be inserted are formed in the surface, facing the jackscrews, of one side of the inserted bar along the length direction of the inserted bar.

Through adopting above-mentioned technical scheme, make the jackscrew card go into in the draw-in groove to when people's waist butt on the bustle, the condition that removes is difficult for appearing in the position of bustle.

To sum up, the utility model discloses a beneficial technological effect does:

1. the front and back positions of the waist pad and the height position of the waist pad can be adjusted according to people with different shapes, so that the waist pad can abut against the position of the waist of the person when the person sits on the chair surface, and the lumbar of the person is protected;

2. by arranging the soft cushion on the chair back, the comfort of a person is improved when the person leans against the chair back.

Drawings

FIG. 1 is a schematic structural view of an office chair;

FIG. 2 is a schematic view of a portion of an office chair;

fig. 3 is an exploded view of the lumbar pad, mounting block, and angle adjustment mechanism.

In the figure, 1, a chair seat; 2. a chair back; 21. a soft cushion; 3. supporting legs; 31. a lifting column; 32. chair legs; 321. a center seat; 322. a support leg; 323. a universal wheel; 4. a waist pad; 41. mounting a plate; 411. inserting a rod; 4111. a card slot; 42. soft packing cushion; 5. mounting blocks; 51. a jack; 52. carrying out top thread; 6. an angle adjusting mechanism; 61. a slide rail; 611. a chute; 62. a connecting rod; 63. a slider; 64. a lead screw; 65. screwing the cap; 7. magic tape; 71. sub-stickers; 72. and (5) mother plaster.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an office chair, including seat support 1, be located seat support 1 rear end and with the fixed back of the chair 2 that links to each other of seat support 1 and be located the bottom central point department of seat support 1 and carry out the supporting leg 3 that supports to seat support 1, the top of supporting leg 3 links to each other with the bottom end face of seat support 1 is fixed. A soft pad 21 is fixed on one side surface of the chair back 2 facing the chair seat 1. By providing the cushion 21, the comfort of a person can be increased when the person leans against the seat back 2.

The supporting legs 3 comprise vertically arranged lifting columns 31, and the top ends of the lifting columns 31 are fixedly connected with the center position of the end face of the bottom end of the seat 1. The bottom end of the lifting column 31 is provided with a chair leg 32, and the chair leg 32 is fixedly connected with the lifting column 31. The chair leg 32 includes a cylindrical central seat 321 coaxially disposed with the lifting column 31 and fixed together, a plurality of support legs 322 uniformly distributed along the circumferential direction of the central seat 321 are disposed outside the central seat 321, and the support legs 322 and the central seat 321 are integrally formed. A universal wheel 323 is fixed on the end surface of the bottom end of the leg 322 far from the central seat 321, and the office chair can be moved conveniently through the universal wheel 323.

Referring to fig. 1 and 3, a lumbar pad 4 is arranged at the bottom of one side of the chair back 2 facing the chair seat 1, the lumbar pad 4 comprises a mounting plate 41 arranged along the connecting seam of the connecting part of the chair back 2 and the chair seat 1 in the length direction, and the mounting plate 41 is made of hard materials, such as wood plates and plastic plates. The soft packing pad 42 is stuck on the surface of one side of the mounting plate 41, and the soft packing pad 42 is stuck and fixed with the mounting plate 41 through the magic tape 7. The magic tape 7 comprises a sub tape 71 and a main tape 72 which can be stuck together, wherein the sub tape 71 is sewn and fixed on the soft packing pad 42, and the main tape 72 is fixedly connected with the mounting plate 41 through a rivet.

When in use, the front end of the mounting plate 41, which faces the front end of the seat 1, of the mounting plate 41 to which the soft pad 42 is attached is the front surface of the mounting plate 41, and the back surface of the mounting plate 41, which faces the back 2 of the chair, of the mounting plate 41 away from the soft pad 42.

Referring to fig. 2 and 3, the bottom of the side walls located at the left and right sides of the chair back 2 is respectively provided with a mounting block 5 rotatably connected with the side wall at the left side or the side wall at the right side of the chair back 2, and the mounting block 5 is located above the top end surface of the chair seat 1. Installation piece 5 is the cuboid structure, and the length direction of installation piece 5 sets up to seat support 1's front end direction from seat support 1's rear end, and installation piece 5 is the hinged end that links to each other for 2 rotations with the back of the chair 2 towards the one end of seat support 1 rear end, and the one end of installation piece 5 towards seat support 1 front end is the free end of installation piece 5. The heights of the mounting blocks 5 positioned at the left side and the right side of the chair back 2 are positioned at the same height. The mounting block 5 is provided with an insertion hole 51 formed along the longitudinal direction of the mounting block 5. The back of the mounting plate 41 is respectively provided with an insert rod 411 which penetrates through the jack 51 along the axial direction of the jack 51, the insert rod 411 is fixedly connected with the mounting plate 41, and the insert rod 411 is connected with the jack 51 in a sliding manner.

A threaded hole communicated with the jack 51 is formed in the side wall of one side, away from the seat 1, of the mounting block 5, and a jackscrew 52 is in threaded connection with the threaded hole. The jack 52 is rotated to extend the jack 52 into the insertion hole 51 and press the plunger 411 passing through the insertion hole 51, so that the plunger 411 is fixed inside the insertion hole 51 so as not to move in the insertion hole 51.

The plug rod 411 is located on one side of the plug rod 411 facing the jack screw 52, a plurality of clamping grooves 4111 are arranged on the plug rod 411 at intervals along the length direction of the plug rod 411, and the clamping grooves 4111 enable the jack screw 52 to extend into one end of the jack 51 to be clamped in.

Move in the inside of jack 51 through making inserted bar 411 to can adjust the distance between bustle 4 and the back of the chair 2, when adjusting to required position, rotate jackscrew 52, make jackscrew 52 block go into corresponding draw-in groove 4111 on inserted bar 411, thereby fix the position of inserted bar 411.

The angle adjusting mechanisms 6 used for adjusting the included angle between the mounting blocks 5 and the horizontal plane are respectively arranged below the mounting blocks 5 positioned at the left side and the right side of the chair back 2, each angle adjusting mechanism 6 comprises a slide rail 61 which is vertically arranged and fixed on the side wall of the left end or the side wall of the right end of the chair back 2, the angle adjusting mechanisms are positioned inside the included angle formed between each slide rail 61 and the mounting block 5, and a connecting rod 62 is arranged between each slide rail 61 and the mounting block 5. One end of the connecting rod 62 is hinged at the free end of the mounting block 5, the other end of the connecting rod 62 is connected with the sliding rail 61 in a sliding manner through a sliding block 63 connected with the sliding rail 61 in a sliding manner, and the connecting rod 62 is connected with the sliding block 63 in a hinged manner.

A sliding groove 611 arranged along the length direction of the sliding rail 61 is formed in the side wall surface of the sliding rail 61, which faces the included angle formed by the sliding rail 61 and the mounting block 5, the sliding groove 611 is a T-shaped groove, and the sliding block 63 is a T-shaped block matched with the sliding groove 611. The slider 63 is located inside the sliding groove 611 and slidably connected to the sliding groove 611.

A lead screw 64 is provided inside the slide groove 611, and the lead screw 64 is provided along the longitudinal direction of the slide rail 61. The lead screw 64 is rotatably supported inside the slide groove 611. The lead screw 64 penetrates the slider 63 and is connected with the slider 63 in a threaded manner. The bottom end of the lead screw 64 extends out of the bottom end surface of the slide rail 61. A screw cap 65 is fixed to the bottom end of the screw shaft 64. The screw 64 is driven to rotate by rotating the screw cap 65, the sliding block 63 is driven to move in the sliding groove 611 along with the rotation of the screw 64, and when the sliding block 63 moves in the sliding groove 611, the connecting rod 62 pulls the mounting block 5 to rotate, so that the angle between the mounting block 5 and the horizontal plane is adjusted.

The implementation principle of the embodiment is as follows: when the front and back position of the waist pad 4 is adjusted, the jackscrew 52 on the mounting block 5 is loosened, the waist pad 4 is pulled, the inserted rod 411 moves in the insertion hole 51 of the mounting block 5 at the moment, and when the waist pad 4 moves to a required position, the jackscrew 52 is rotated, so that the jackscrew 52 extrudes and fixes the inserted rod 411 in the insertion hole 51, and the position of the waist pad 4 is fixed.

When adjusting the high position of bustle 4, the cap 65 of revolving of turned angle adjustment mechanism 6, cap 65 drives lead screw 64 in step and rotates soon, drive slider 63 along with lead screw 64's rotation and reciprocate in spout 611, thereby adjust the angle of installation piece 5 and horizontal plane, thereby can adjust the high position of bustle 4, ensure that bustle 4 can carry out the regulation of position according to different people's stature, make bustle 4 can support the position of people's waist when sitting on the seat.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an office chair, includes seat support (1), is located back of the chair (2) of seat support (1) rear end and is located support leg (3) that seat support (1) bottom supported seat support (1), its characterized in that: the bottom that is located the lateral wall of the back of the chair (2) left and right sides is provided with length direction respectively from installation piece (5) that the rear end of seat support (1) set up to the front end direction of seat support (1), installation piece (5) length direction's one end and back of the chair (2) between rotate and link to each other, back of the chair (2) are provided with bustle (4) towards one side bottom of seat support (1), bustle (4) are controlled both ends and are provided with respectively and run through installation piece (5) and slide inserted bar (411) that link to each other with installation piece (5), be provided with jack (51) that confession inserted bar (411) passed on installation piece (5), be provided with on installation piece (5) and be used for fixing the mounting of inserted bar (411), the below of installation piece (5) is provided with angle adjustment mechanism (6) of adjusting the angle between installation piece (5) and the horizontal plane.

2. An office chair as claimed in claim 1, wherein: angle adjustment mechanism (6) are including vertical slide rail (61) of fixing on the back of the chair (2), be provided with connecting rod (62) between slide rail (61) and installation piece (5), connecting rod (62) one end is articulated mutually with installation piece (5), the other end of connecting rod (62) pass through slider (63) with slide rail (61) slide and link to each other, be provided with drive slider (63) on slide rail (61) and carry out the drive assembly that vertical direction removed on slide rail (61).

3. An office chair as claimed in claim 2, wherein: one side of the slide rail (61) facing an included angle formed by the slide rail (61) and the mounting block (5) is provided with a slide groove (611), and the slide block (63) is located inside the slide groove (611) and slides along the length direction of the slide groove (611).

4. An office chair as claimed in claim 3, wherein: the driving assembly comprises a lead screw (64) rotatably supported inside the sliding groove (611), the length direction of the lead screw (64) is arranged along the length direction of the sliding groove (611), and a driving piece used for driving the lead screw (64) to rotate is arranged at the bottom end of the lead screw (64).

5. An office chair as claimed in claim 1, wherein: the waist pad (4) comprises a mounting plate (41) made of hard materials and a soft packing pad (42) stuck on the mounting plate (41).

6. An office chair as claimed in claim 5, wherein: soft packing pad (42) through magic subsides (7) with mounting panel (41) are pasted and are linked to each other.

7. An office chair as claimed in claim 1, wherein: a soft pad (21) is arranged on the surface of one side of the chair back (2) facing the chair seat (1).

8. An office chair as claimed in claim 1, wherein: the supporting legs (3) comprise vertically arranged lifting columns (31) and chair feet (32) located at the bottom ends of the lifting columns (31), and rollers are arranged at the bottom ends of the chair feet (32).

9. An office chair as claimed in claim 1, wherein: the mounting block (5) is provided with a threaded hole communicated with the jack (51), and the fixing piece is a jackscrew (52) in threaded connection with the threaded hole.

10. An office chair as claimed in claim 9, wherein: the plug rod (411) is provided with a plurality of clamping grooves (4111) which enable the jackscrews (52) to be inserted into along the length direction of the plug rod (411) towards one side surface of the jackscrews (52).