CN221129357U

CN221129357U - Office chair with turnover armrest structure

Info

Publication number: CN221129357U
Application number: CN202322819075.XU
Authority: CN
Inventors: 崔明忠
Original assignee: Anji Horui Furniture Co ltd
Current assignee: Anji Horui Furniture Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-06-14
Anticipated expiration: 2033-10-20

Abstract

The application relates to the technical field of office chairs and discloses an office chair with a turnover armrest structure, which comprises a chair seat, wherein a backup plate is fixedly connected to the side surface of the chair seat, a headrest is fixedly connected to the upper surface of the backup plate, a chute is formed in the front surface of the backup plate, a movable box is slidably connected to the inner wall of the chute, a spring box is fixedly connected to the bottom wall of the inner wall of the movable box, a pushing spring is fixedly connected to the inner wall of the spring box, and an inserting rod is fixedly connected to one end, far away from the inner wall of the spring box, of the pushing spring. At this time, the inserted link is driven to move away from the jack to cancel fixing of the movable box, then the movable box is lifted up or down by the handrail as required until the movable box is adjusted to a required position, the rocker is pushed back to the original position, the pressing plate is canceled to press the pressing plate, and at the moment, the spring is pushed to reset to push the inserted link to move into the jack to fix the movable box again, so that the device has the effect of adjusting the height of the handrail.

Description

Office chair with turnover armrest structure

Technical Field

The application belongs to the technical field of office chairs, and particularly relates to an office chair with a turnover armrest structure.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities, and narrow office chairs are backrest chairs for people to sit on when performing desktop work in a sitting posture state, and generalized office chairs are all chairs for offices; from the material composition, it can be divided into: leather office chairs, PU leather office chairs, cloth office chairs, mesh office chairs, plastic office chairs and the like; from the usage type, it can be classified into: boss chairs, work chairs, staff chairs, executive chairs, conference chairs, guest chairs, ergonomic chairs, and the like.

Referring to CN213046195U an office chair with convertible handrail structure belongs to office chair technical field, and this office chair with convertible handrail structure includes bedplate, back frame and handrail, one side of bedplate lower surface has the back connecting piece through first bolt swing joint. This office chair with convertible handrail structure through square pole, solid fixed ring, gear, tension spring, sleeve and annular tooth's setting, when the user feels that the height of handrail is unsuitable oneself or does not need the handrail, can press the regulating block, makes gear and annular tooth mesh's surface separation, adjusts the handrail to the proper position of own sensation after, unclamp the regulating block again, makes gear and annular tooth be the state of meshing under tension spring's effect to fix the angle of handrail, provide good support for user's arm, can rotate the side of back frame with the handrail when not needing the handrail.

There is still a problem in that the armrests of the office chair are inconvenient to adjust in height, so that when a person who is tall or short uses the office chair, the office chair cannot be adjusted to a proper position according to own needs, and comfort of a user is affected.

Disclosure of utility model

The application aims at: in order to solve the problem that the armrests of the office chair are inconvenient to adjust in height, so that when a person with a higher height or a shorter height uses the office chair, the armrests cannot be adjusted to a proper position according to the needs of the person, and the comfort of the user is affected, the office chair with the turnover armrest structure is provided.

The technical scheme adopted by the application is as follows: the utility model provides an office chair with convertible handrail structure, includes the seat support, the side fixedly connected with backup plate of seat support, the upper surface fixedly connected with headrest of backup plate, the spout has been seted up in the front of backup plate, the inner wall sliding connection of spout has the removal box, the diapire fixedly connected with spring case of removal box inner wall, the inner wall fixedly connected with push spring of spring case, the one end fixedly connected with inserted bar of keeping away from spring case inner wall of push spring, the jack has been seted up in the front of backup plate, the surface looks adaptation of jack and inserted bar, the front fixedly connected with clamp plate of inserted bar, the inner wall rotation of removal box is connected with the second dwang, the fixed surface cover of second dwang is equipped with the handrail, the inner wall rotation of handrail is connected with first dwang, the fixed surface cover of first dwang is equipped with the wane, the side fixedly connected with clamp plate of wane.

Through adopting above-mentioned technical scheme, when needs adjust the handrail, utilize the catching groove to detain earlier and move the wane, the opposite side of wane rotates down this moment, the wane rotates down and drives the clamp plate and rotate, the clamp plate rotates the extrusion pressure-receiving plate, the pressure-receiving plate is removed towards the direction of keeping away from the spring case after being extruded, drive the inserted bar and remove the jack and cancel the fixed to removing the box this moment, later with the handrail upwards or downwards will remove the box and lift or descend as required, when adjusting to required position, push back the wane to original place, cancel the clamp plate and extrude the pressure-receiving plate, promote the spring to reset at this moment and promote the inserted bar and remove and advance in the jack and remove the box again, thereby make this equipment have the effect of adjusting the handrail height.

In a preferred embodiment, the inner wall of the armrest is provided with a bearing, the inner annular surface of the bearing is fixedly connected with a first rotating rod, and the rocker is rotationally connected with the inner wall of the armrest through the first rotating rod.

Through adopting above-mentioned technical scheme, through setting up the bearing, can be when the wane is driven the back can be at the inner wall rotation of handrail.

In a preferred embodiment, the side surface of the handrail is provided with a buckling groove, and the buckling groove is communicated with the inner wall of the handrail.

Through adopting above-mentioned technical scheme, through setting up the catching groove, can be convenient for the user to detain the wane and rotate.

In a preferred embodiment, the front side of the armrest is connected with a bolt in a threaded manner, the bolt penetrates through the front side of the movable box, and the armrest is fixedly connected with the inner wall of the movable box through the bolt.

Through adopting above-mentioned technical scheme, through setting up the bolt, can rotate the back with handrail fixed connection at the inner wall that removes the box.

In a preferred embodiment, the lower surface of the seat is fixedly connected with support legs, and the number of the support legs is two.

Through adopting above-mentioned technical scheme, through setting up the supporting leg, can stabilize the support seat support.

In a preferred embodiment, the number of the moving boxes is two, and the two moving boxes are symmetrically arranged on two sides of the backup plate by taking the vertical center line of the side surface of the backup plate as a symmetry axis.

Through adopting above-mentioned technical scheme, through setting up two removal boxes, can let two armrests when being driven can remove.

In a preferred embodiment, rubber pads are fixedly connected to the side surfaces of the headrest and the backup plate, and a seat cushion is fixedly connected to the upper surface of the seat.

Through adopting above-mentioned technical scheme, through setting up rubber pad and cushion, can let the user lean on more comfortable.

In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:

1. When the armrests need to be adjusted, the buckle grooves are firstly utilized to buckle the rocker upwards, at the moment, the other side of the rocker rotates downwards, the rocker rotates downwards to drive the pressing plate to rotate, the pressing plate rotates to extrude the pressure receiving plate, the pressure receiving plate moves in the direction away from the spring box after being extruded, at the moment, the inserting rod is driven to move away from the jack to cancel fixing of the moving box, then the armrests are lifted or lowered upwards or downwards according to the needs until the armrests are adjusted to the needed positions, the rocker is pushed back to the original positions, the pressing plate is canceled to extrude the pressure receiving plate, at the moment, the spring is pushed to reset and push the inserting rod to move into the jack to fix the moving box again, and therefore the device has the effect of adjusting the height of the armrests.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the present application in a top-down configuration;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present application;

fig. 4 is a schematic perspective view of the pressure receiving plate in fig. 2 according to the present application.

The marks in the figure: 1. a seat; 2. a backup plate; 3. a headrest; 4. a rubber pad; 5. a cushion; 6. support legs; 7. a moving case; 8. a bolt; 9. an armrest; 10. a seesaw; 11. a buckling groove; 12. a chute; 13. a jack; 14. a rod; 15. a spring case; 16. a pushing spring; 17. a pressing plate; 18. a first rotating lever; 19. a bearing; 20. a second rotating lever; 21. and a pressure receiving plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described in the following in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

With reference to figures 1-4 of the drawings,

Examples:

Referring to fig. 1-3, an office chair with turnover armrest structure comprises a chair seat 1, wherein a backup plate 2 is fixedly connected to the side surface of the chair seat 1, a headrest 3 is fixedly connected to the upper surface of the backup plate 2, a sliding groove 12 is formed in the front surface of the backup plate 2, a movable box 7 is slidably connected to the inner wall of the sliding groove 12, a spring box 15 is fixedly connected to the bottom wall of the inner wall of the movable box 7, a pushing spring 16 is fixedly connected to the inner wall of the spring box 15, an inserting rod 14 is fixedly connected to one end, far away from the inner wall of the spring box 15, of the pushing spring 16, a jack 13 is formed in the front surface of the backup plate 2, the jack 13 is matched with the surface of the inserting rod 14, and the pushing spring 16 is arranged to push the inserting rod 14 to move into the jack 13 after resetting to fix the movable box 7 on the front surface of the backup plate 2.

Referring to fig. 2-4, the front surface of the inserted link 14 is fixedly connected with a pressure receiving plate 21, the inner wall of the moving box 7 is rotationally connected with a second rotating link 20, a surface fixing sleeve of the second rotating link 20 is provided with a handrail 9, the inner wall of the handrail 9 is rotationally connected with a first rotating link 18, a surface fixing sleeve of the first rotating link 18 is provided with a rocker 10, the side surface of the rocker 10 is fixedly connected with a pressure plate 17, and by arranging the rocker 10, the pressure plate 17 can be driven to rotate after rotating, so that the pressure receiving plate 21 is extruded to move.

Referring to fig. 1-3, a bearing 19 is provided on the inner wall of the armrest 9, a first rotating rod 18 is fixedly connected to the inner ring surface of the bearing 19, the rocker 10 is rotatably connected with the inner wall of the armrest 9 through the first rotating rod 18, and the bearing 19 is provided to enable the rocker 10 to rotate on the inner wall of the armrest 9 after being driven.

Referring to fig. 1-2, the side of the armrest 9 is provided with a buckling groove 11, the buckling groove 11 is communicated with the inner wall of the armrest 9, and the buckling groove 11 is arranged, so that a user can conveniently buckle the rocker 10 to rotate.

Referring to fig. 2-3, the front thread of the armrest 9 is connected with a bolt 8, the bolt 8 is penetrated on the front of the moving box 7, the armrest 9 is fixedly connected with the inner wall of the moving box 7 through the bolt 8, and the armrest 9 can be fixedly connected with the inner wall of the moving box 7 after rotating through the bolt 8.

Referring to fig. 1 to 3, the lower surface of the seat 1 is fixedly connected with two support legs 6, and the seat 1 can be stably supported by arranging the support legs 6.

Referring to fig. 1 to 3, the number of the moving boxes 7 is two, and the two moving boxes 7 are symmetrically arranged at two sides of the backup plate 2 by taking the vertical center line of the side surface of the backup plate 2 as a symmetry axis, and by arranging the two moving boxes 7, the two armrests 9 can be moved when being driven.

Referring to fig. 1-3, the side surfaces of the headrest 3 and the backup plate 2 are fixedly connected with rubber pads 4, the upper surface of the chair seat 1 is fixedly connected with a cushion 5, and the user can lean on more comfortably by arranging the rubber pads 4 and the cushion 5.

The embodiment of the office chair with the turnover armrest structure has the implementation principle that: when the armrest 9 needs to be adjusted, the button groove 11 is firstly utilized to lift the rocker 10 upwards, at the moment, the other side of the rocker 10 rotates downwards, the rocker 10 rotates downwards to drive the pressing plate 17 to rotate, the pressing plate 17 rotates to press the pressing plate 21, the pressing plate 21 moves away from the spring box 15 after being pressed, at the moment, the inserting rod 14 is driven to move away from the inserting hole 13 to cancel the fixing of the moving box 7, then the armrest 9 lifts or descends the moving box 7 upwards or downwards as required until the required position is adjusted, the rocker 10 is pushed back to the original position, the pressing plate 17 is canceled to press the pressing plate 21, and at the moment, the pushing spring 16 resets to push the inserting rod 14 to move into the inserting hole 13 to fix the moving box 7 again, so that the device has the effect of adjusting the height of the armrest 9.

In addition, the bolt 8 is turned to cancel the fixation of the armrest 9, and then the armrest 9 is reversed counterclockwise to flush the armrest 9 with the armrest plate 2, so that the apparatus has an effect of facilitating the user to leave from the side of the chair.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. Office chair with convertible handrail structure, including seat support (1), its characterized in that: the side fixedly connected with backup plate (2) of seat support (1), the upper surface fixedly connected with headrest (3) of backup plate (2), spout (12) have been seted up in the front of backup plate (2), the inner wall sliding connection of spout (12) has removed box (7), the diapire fixedly connected with spring case (15) of removing box (7) inner wall, the inner wall fixedly connected with push spring (16) of spring case (15), the one end fixedly connected with inserted bar (14) of keeping away from spring case (15) inner wall of push spring (16), jack (13) have been seted up in the front of backup plate (2), the surface looks adaptation of jack (13) and inserted bar (14), the front fixedly connected with clamp plate (21) of inserted bar (14), the inner wall rotation of removing box (7) is connected with second dwang (20), the fixed surface cover of second dwang (20) is equipped with spring case (9), the inner wall rotation of handrail (9) is connected with first dwang (18), the surface of first seesaw (18) is equipped with fixed platen (10), fixed surface warp (10) are connected with.

2. An office chair with a roll-over armrest structure as claimed in claim 1, wherein: the inner wall of the handrail (9) is provided with a bearing (19), the inner annular surface of the bearing (19) is fixedly connected with a first rotating rod (18), and the rocker (10) is rotationally connected with the inner wall of the handrail (9) through the first rotating rod (18).

3. An office chair with a roll-over armrest structure as claimed in claim 1, wherein: the side of the handrail (9) is provided with a buckling groove (11), and the buckling groove (11) is communicated with the inner wall of the handrail (9).

4. An office chair with a roll-over armrest structure as claimed in claim 1, wherein: the front thread of the armrest (9) is connected with a bolt (8), the bolt (8) is arranged on the front of the movable box (7) in a penetrating way, and the armrest (9) is fixedly connected with the inner wall of the movable box (7) through the bolt (8).

5. An office chair with a roll-over armrest structure as claimed in claim 1, wherein: the lower surface of the chair seat (1) is fixedly connected with supporting legs (6), and the number of the supporting legs (6) is two.

6. An office chair with a roll-over armrest structure as claimed in claim 1, wherein: the number of the movable boxes (7) is two, and the two movable boxes (7) are symmetrically arranged on two sides of the backup plate (2) by taking the vertical center line of the side surface of the backup plate (2) as a symmetry axis.

7. An office chair with a roll-over armrest structure as claimed in claim 1, wherein: the side faces of the headrest (3) and the backup plate (2) are fixedly connected with rubber pads (4), and the upper surface of the chair seat (1) is fixedly connected with a cushion (5).