CN215456709U

CN215456709U - Office chair seat capable of adjusting backrest gears

Info

Publication number: CN215456709U
Application number: CN202120337921.2U
Authority: CN
Inventors: 翁世和; 邹锦繁; 胡南庄
Original assignee: Xinguo Hardware Electronics Dongguan Co ltd
Current assignee: Xinguo Hardware Electronics Dongguan Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2022-01-11
Anticipated expiration: 2031-02-06

Abstract

The utility model belongs to the technical field of office chair seats, and particularly relates to an office chair seat capable of adjusting a backrest gear, which comprises a seat body and a movable triangular piece, wherein a cushion is installed on the outer side of the seat body, the right side of the outer wall of the cushion is connected with a connecting shaft, the movable triangular piece is connected to the top of the connecting shaft, a handrail is arranged above the movable triangular piece, a cross rod is installed on the left side of the outer wall of the top of the backrest cushion, a lifting rod is arranged above the cross rod, a hydraulic rod is connected to the middle position below the cushion, a spring is arranged at the bottom of the hydraulic rod, a telescopic rod is installed on the outer wall of the spring, and an elastic piece is installed above the outer side of the telescopic rod. This office chair seat support of adjustable back gear compares with current office chair seat support, adopts the curve that accords with human back portion to the design that the waist held in the palm, consequently leans on at user back portion and will be supported by the perfect laminating of waist support on cushion, is favorable to the more comfortable of sitting when sleeping of office crowd in noon break.

Description

Office chair seat capable of adjusting backrest gears

Technical Field

The utility model relates to the technical field of office chair seats, in particular to an office chair seat capable of adjusting the gear of a backrest.

Background

People who work in offices can not leave the use of office chairs, and the people need to frequently sit on the office chairs for daily office work, and can generate some pains of waist or neck for long-term sitting, so that the people need to have proper rest at intervals, and the comfort level of the office chair needs to have higher requirements, for example, the whole design of the office chair, particularly the curve shape of the waist at the backrest, needs to be in accordance with the shape of ergonomics, so that the people can sit more comfortably, the backrest of the chair seat of the office chair also needs to be in accordance with some special designs so that the office people can meet the requirements of the use of comfort and practicability in combination, and the seat of the office chair which is in accordance with the ergonomics and can adjust the backrest gear is needed for daily office work.

Office chair seat support on the existing market is not convenient for subsequent high-efficient official working, and thereby is difficult for accomodating and places the actual usage space that increases, is not convenient for accomplish the change of back slope gear, leans on the back at user's back and stacks up the stable stay of not being convenient for, and the adjustment of the comfort level of lying is sat to the difficult office crowd when having a rest to noon break to above-mentioned condition, carries out technical innovation on current office chair seat support basis.

Aiming at the problems, innovative design is urgently needed on the basis of the original chair seat of the office chair.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an office chair seat capable of adjusting the gear of a backrest, and aims to solve the problems that the common office chair seat is not easy to store and place, so that the actual use space is increased, and the change of the gear of the backrest inclination is inconvenient to complete in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an office chair seat capable of adjusting a backrest gear comprises a seat body, a movable triangular piece and a connecting support plate, wherein a cushion is installed on the outer side of the seat body, the right side of the outer wall of the cushion is connected with a connecting shaft, the movable triangular piece is connected to the top of the connecting shaft, a handrail is arranged above the movable triangular piece, a backrest cushion is installed on the left side of the outer wall of the handrail, an adjusting slider is arranged on the left side of the outer wall of the backrest cushion, a movable vertical plate is installed on the outer wall of the connecting support plate, a waist support is arranged on the right side of the outer wall above the movable vertical plate, a cross rod is installed on the left side of the outer wall at the top of the backrest cushion, a lifting rod is arranged above the cross rod, a first rotating piece is connected to the right side of the outer wall of the lifting rod, a headrest is installed on the right side of the outer wall of the first rotating piece, an adjusting slide rod is connected to the outer side of the upper portion of the cushion, and a second rotating piece is arranged on the top of the adjusting slide rod, and the table is installed to the top of second commentaries on classics piece, the bottom of cushion is connected with the pull rod, and the below outer wall connection of two pull rods has the bearing, the outside of two bearings is provided with the bull stick, and the outer wall of bull stick installs the callus on the sole, the below intermediate position of cushion is connected with the hydraulic stem, and the bottom of hydraulic stem is provided with the spring, the telescopic link is installed to the outer wall of spring, and the outside top of telescopic link installs bullet piece.

Preferably, the movable triangular piece and the seat cushion form a rotating structure through a connecting shaft, and the movable triangular piece and the armrest are integrally arranged.

Preferably, the connecting support plate and the movable vertical plate form a lifting structure through the adjusting slide block, and the connecting support plate is in threaded connection with the waist support.

Preferably, the headrest forms a rotating structure through the first rotating piece and the lifting rod, and the lifting rod is in sliding connection with the cross rod.

Preferably, the table plate and the cushion form a lifting structure through the adjusting slide rod, and the table plate and the seat body form a rotating structure through the second rotating piece.

Preferably, the rotating rod and the cushion form a rotating structure through a bearing, and the rotating rod is in threaded connection with the foot pad.

Preferably, the hydraulic rod and the telescopic rod form an elastic structure through a spring, and the telescopic rod and the elastic piece are connected in a clamping manner.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model adjusts the backrest cushion on the seat of the office chair through the telescopic rotation of the armrests by the integrated gear adjustment of the movable triangular piece, the movable vertical plate and the waist support, ensures that the movable vertical plate on the left side of the backrest cushion also tilts and rotates along with the armrest, ensures that the waist support connected with the top of the movable vertical plate is tightly attached with the backrest cushion, adjusts the tilting angle of the backrest cushion, and further completes the change of the tilting gear of the backrest, adopts a curve which is in line with the waist back of a human body on the design of the waist support, so that the waist support can be perfectly attached and supported by the waist support when the waist back of a user leans against the backrest cushion, is beneficial to more comfortable sitting and lying of office crowds during midday rest, is provided with a thickened and widened Y-shaped back frame by the connecting support plate, is more stable and comfortable, firm and durable in sitting and lying, and is also reserved with a certain sliding groove which can be adjusted up and down on the top of the movable vertical plate for being suitable for different crowds, the waist support is convenient to lift so as to be more fit with the waist and back curves of different users, and the use feeling is more comfortable;

2. according to the office chair, the headrest is arranged behind the top of the backrest cushion on the left side of the chair seat of the office chair through the arrangement of the headrest, the backrest cushion and the lifting rod, so that the head and neck of a user can be protected when the user lies after working or resting, the headrest and the headrest are rotated and inclined at a certain angle through the first rotating piece through the lifting sliding adjustment of the lifting rod, the head and neck can be matched conveniently, different heights and sitting postures can be attached effectively, the head and neck can be supported, the pressure of the neck can be reduced, the neck can be attached to the head and neck of the user more conveniently, the comfort adjustment and the use of office people can be facilitated, and the efficient working can be facilitated;

3. the utility model adds the design of the table board to ensure that the chair is not only suitable for office environment through the multifunctional arrangement of comfortable lying, table surface placing and the like of the foot pads, the pull rods and the table board, meanwhile, the utility model is also applicable to lectures such as teaching, the function and the practicability of the desk plate are improved, the desk plate can be folded and stored for temporary use as a desktop and a storage plate, the office chair seat is more multifunctional, meanwhile, the foot pad can synchronously rotate along with the rotating rod under the driving of the bearing, thereby being convenient for unfolding the foot pad and extending the length position of the foot pad, being convenient for a user to adjust the office chair into a large-angle lying posture during the office noon break, and through the support of callus on the sole to the shank, be favorable to comfortable lunch break, subsequent high-efficient official working of being convenient for, and slide to pull out and be favorable to accomodating and place the usage space that reduces reality, convenient and practical more just is favorable to official working to use.

Drawings

FIG. 1 is a schematic side view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

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

FIG. 4 is a schematic view of a front cross-sectional view of the waist support of the present invention;

fig. 5 is a front view schematically illustrating the headrest according to the present invention.

In the figure: 1. a chair seat body; 2. a cushion; 3. a connecting shaft; 4. a movable triangle; 5. a handrail; 6. A backrest cushion; 7. adjusting the sliding block; 8. connecting the support plate; 9. a movable vertical plate; 10. a waist support; 11. a cross bar; 12. a lifting rod; 13. a first rotating member; 14. a headrest; 15. adjusting the sliding rod; 16. a second rotating member; 17. A table plate; 18. a pull rod; 19. a bearing; 20. a rotating rod; 21. a foot pad; 22. a hydraulic lever; 23. a spring; 24. a telescopic rod; 25. and (4) a spring piece.

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.

Referring to fig. 1-5, the present invention provides a technical solution: an office chair seat capable of adjusting the gear of a backrest comprises a seat body 1, a cushion 2, a connecting shaft 3, a movable triangle 4, a handrail 5, a backrest cushion 6, an adjusting slider 7, a connecting support plate 8, a movable vertical plate 9, a waist support 10, a cross bar 11, a lifting rod 12, a first rotating piece 13, a headrest 14, an adjusting slide rod 15, a second rotating piece 16, a table plate 17, a pull rod 18, a bearing 19, a rotating rod 20, a foot pad 21, a hydraulic rod 22, a spring 23, an expansion rod 24 and an elastic piece 25, wherein the seat cushion 2 is arranged on the outer side of the seat body 1, the connecting shaft 3 is connected to the right side of the outer wall of the cushion 2, the movable triangle 4 is connected to the top of the connecting shaft 3, the handrail 5 is arranged above the movable triangle 4, the backrest cushion 6 is arranged on the left side of the outer wall of the handrail 5, the adjusting slider 7 is arranged on the left side of the outer wall of the backrest cushion 6, the movable vertical plate 9 is arranged on the outer wall of the connecting support plate 8, a waist support 10 is arranged on the right side of the outer wall above the movable vertical plate 9, a cross bar 11 is arranged on the left side of the outer wall at the top of the backrest cushion 6, and a lifting rod 12 is arranged above the cross rod 11, the right side of the outer wall of the lifting rod 12 is connected with a first rotating piece 13, and the right side of the outer wall of the first rotating piece 13 is provided with a headrest 14, the outer side of the upper part of the cushion 2 is connected with an adjusting slide rod 15, the top of the adjusting slide rod 15 is provided with a second rotating piece 16, and a table plate 17 is arranged above the second rotating piece 16, the bottom of the cushion 2 is connected with a pull rod 18, and the lower outer walls of the two pull rods 18 are connected with bearings 19, the outer sides of the two bearings 19 are provided with rotating rods 20, a foot pad 21 is arranged on the outer wall of the rotating rod 20, a hydraulic rod 22 is connected with the middle position below the seat pad 2, and the bottom of hydraulic stem 22 is provided with spring 23, and telescopic link 24 is installed to the outer wall of spring 23, and installs bullet piece 25 above the outside of telescopic link 24.

Furthermore, the movable triangular part 4 and the cushion 2 form a rotating structure through the connecting shaft 3, and the movable triangular part 4 and the handrail 5 are integrally arranged, so that a user can conveniently adjust to a comfortable angle during office work or noon break, the comfortable noon break after lying after a large angle is adjusted, the subsequent efficient office work is facilitated, the lumbar vertebra protection of the comfort degree of the user during rest is facilitated, the handrail 5 can be arranged in a lying manner, the arm can be conveniently and comfortably supported all the time, and the comfort degree angle change between human engineering is met;

furthermore, the connecting support plate 8 and the movable vertical plate 9 form a lifting structure through the adjusting slider 7, the connecting support plate 8 is in threaded connection with the waist support 10, and due to the arrangement, office people can sit and lie more comfortably during rest in noon break, the connecting support plate 8 is a thickened and widened Y-shaped back frame, the sitting and lying are more stable, safe, firm and durable, meanwhile, a certain vertically adjustable sliding groove is reserved at the top of the movable vertical plate 9 for being suitable for different people, the waist support 10 can be conveniently lifted so as to be more fit with waist curves of different users, and the use feeling is more comfortable;

furthermore, the headrest 14 and the lifting rod 12 form a rotating structure through the first rotating piece 13, and the lifting rod 12 and the cross rod 11 are in sliding connection, so that the headrest is convenient to match different heights and sitting postures, can be effectively attached to and support the head and neck, is beneficial to reducing the pressure of the neck, can be more attached to the head and neck of a user, is convenient for the comfort adjustment and change and use of office people, and is beneficial to efficient office;

furthermore, the table plate 17 and the cushion 2 form a lifting structure through the adjusting slide rod 15, and the table plate 17 and the seat body 1 form a rotating structure through the second rotating piece 16, so that the design of the table plate 17 is added, so that the chair is not only suitable for office environments, but also suitable for lectures such as teaching, and the like, the functions and practicability are improved, the table plate 17 can be folded and stored temporarily to serve as a tabletop and a storage plate, and the seat of the office chair is used more in multiple functions;

furthermore, the rotating rod 20 and the cushion 2 form a rotating structure through the bearing 19, and the rotating rod 20 is in threaded connection with the foot pad 21, so that a user can conveniently adjust the office chair to a large-angle back lying posture during the office noon break, and legs are supported by the foot pad 21, comfortable noon break and subsequent high-efficiency office work are facilitated, and the sliding pull-out is beneficial to storage and placement to reduce the actual use space, so that the chair is more convenient and practical and is beneficial to office use;

further, hydraulic stem 22 passes through spring 23 and telescopic link 24 constitutes elastic construction, and be connected for the block between telescopic link 24 and the bullet piece 25, such setting, the audience crowd of office chair has the variety, consequently its user's body shape height etc. is all different, consequently, office chair seat's place is to the user of body height point or short point, the comfort level that the arm was placed is all different, consequently, can make hydraulic stem 22 rise through pull-up seat support and reach the purpose of flexible lift, the office comfort level adjustment of the different office staff of being convenient for simultaneously uses, and it is more convenient to kick-back the recovery normal position automatically.

The working principle is as follows: when the office chair seat capable of adjusting the backrest gear is used, firstly, the armrest 5, the movable triangular piece 4 and the backrest cushion 6 are integrally connected, so that the armrest 5 can be moved left and right through the rotation of the connecting shaft 3 and the movable triangular piece 4, and the backrest cushion 6 can be moved in a left-right telescopic mode simultaneously, so that the adjustment of the inclination angle of the backrest cushion 6 is achieved, the change of the backrest inclination gear is completed, the user can conveniently adjust the armrest to a comfortable angle in office work or noon break along with the position change between the armrest 5 and the backrest cushion 6, comfortable noon break and subsequent efficient office work after lying after large-angle adjustment are facilitated, the lumbar vertebra protection of the comfort level of the user in rest is facilitated, the armrest 5 can be arranged in a lying manner, the arm can be conveniently and comfortably supported all the time, the comfort level angle change between human engineering is met, and then the backrest cushion 6 on the office chair seat is adjusted through the telescopic rotation of the armrest 5, so that the movable backrest cushion 6 on the left side of the backrest cushion 6 is adjusted in a large-angle manner The movable vertical plate 9 also rotates along with the movable vertical plate, the waist support 10 connected with the top of the movable vertical plate 9 is tightly attached to the backrest cushion 6, a curve which is in line with the waist back of a human body is adopted in the design of the waist support 10, so that the waist back of a user leaning on the backrest cushion 6 can be perfectly attached and supported by the waist support 10, more comfortable sitting and lying of office people in noon break is facilitated, the connecting support plate 8 is a Y-shaped back frame which is thickened and widened, more stable, safe, firm and durable in sitting and lying, meanwhile, a certain sliding groove which is adjusted up and down is reserved at the top of the movable vertical plate 9 for being suitable for different people, the waist support 10 is convenient to lift so as to be more attached to the waist back curves of different users, the use feeling is more comfortable, then the headrest 14 is arranged behind the top of the backrest cushion 6 on the left side of the chair seat of the office chair, and the head and neck of the user when lying after office work or rest are facilitated, the lifting and sliding adjustment of the lifting rod 12 and the rotation and inclination of the headrest 14 at a certain angle through the first rotating piece 13 facilitate matching with different heights and sitting postures, so that the headrest is effectively attached to and supports the head and neck, the pressure of the neck is reduced, the headrest is more attached to the head and neck of a user, the comfort adjustment and the use of office people are facilitated, and efficient office work is facilitated;

then, a table plate 17 is installed at a position of one side of the cushion 2 of the seat of the office chair, and the chair can be simultaneously rotated through the lifting slide adjustment of the adjusting slide rod 15 and the second rotating member 16 on the adjusting slide rod 15, so that the design of the table plate 17 is added to make the chair not only suitable for office environment, but also suitable for lectures such as teaching, and the like, and the function and practicability are increased, so that the table plate 17 can be folded and stored temporarily to serve as a tabletop and a storage plate, and the seat of the office chair can be used more functionally, then the seat of the office chair is pulled out through the telescopic slide of the pull rod 18 and is pulled out together with the foot pad 21 which is in threaded connection with the upper part of the seat, the foot pad 21 can synchronously rotate along with the rotating rod 20 due to the drive of the bearing 19, thereby the foot pad 21 can be conveniently unfolded and the length position thereof can be extended, and the user can conveniently adjust the office chair to a large-angle back lying posture during the office noon break, the legs are supported by the foot pads 21, comfortable noon break is facilitated, subsequent high-efficiency office work is facilitated, the chair seat is pulled out in a sliding mode, the practical use space is reduced, the chair seat is more convenient and practical, office work use is facilitated, and audiences of the office chair have diversity, so that the height and the like of users are different, the comfort level of arm placement is different for users with height or low points, the hydraulic rod 22 can be lifted up through pulling the chair seat up to achieve the purpose of telescopic lifting, meanwhile, the telescopic rod 24 is sleeved outside the hydraulic rod 22, the right side of the hydraulic rod is provided with a plurality of clamping grooves, the hydraulic rod 22 is pulled up once, the small spring 23 installed on the left side of the elastic piece 25 is elastically contracted and rebounded and clamped in the clamping grooves, after the top of the hydraulic rod 22 is pulled down, the chair seat is rapidly restored to the original height position through the stretching of the spring 23 below the hydraulic rod 22 due to the fact that no clamping groove exists after the top of the hydraulic rod 22 is pulled down, the office comfort level of different office staff of being convenient for adjusts and uses, and it is more convenient that the automatic resilience resumes the normal position, and this is exactly the theory of operation of this office chair seat support of adjustable back gear.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an office chair seat of adjustable back gear, includes seat support body (1), activity triangle (4) and connects extension board (8), its characterized in that: the chair comprises a chair seat body (1), wherein a cushion (2) is installed on the outer side of the chair seat body (1), the right side of the outer wall of the cushion (2) is connected with a connecting shaft (3), a movable triangular piece (4) is connected to the top of the connecting shaft (3), a handrail (5) is arranged above the movable triangular piece (4), a backrest cushion (6) is installed on the left side of the outer wall of the handrail (5), an adjusting slider (7) is arranged on the left side of the outer wall of the backrest cushion (6), a movable vertical plate (9) is installed on the outer wall of a connecting support plate (8), a waist support (10) is arranged on the right side of the outer wall above the movable vertical plate (9), a cross rod (11) is installed on the left side of the outer wall on the top of the backrest cushion (6), a lifting rod (12) is arranged above the cross rod (11), the right side of the outer wall of the lifting rod (12) is connected with a first rotating piece (13), and a headrest (14) is installed on the right side of the outer wall of the first rotating piece (13), the top outside of cushion (2) is connected with adjusts slide bar (15), and the top of adjusting slide bar (15) is provided with the second and changes piece (16) to table (17) is installed to the top that the second changes piece (16), the bottom of cushion (2) is connected with pull rod (18), and the below outer wall connection of two pull rods (18) has bearing (19), the outside of two bearing (19) is provided with bull stick (20), and the outer wall of bull stick (20) installs callus on the sole (21), the below intermediate position of cushion (2) is connected with hydraulic stem (22), and the bottom of hydraulic stem (22) is provided with spring (23), telescopic link (24) are installed to the outer wall of spring (23), and bullet piece (25) are installed to the outside top of telescopic link (24).

2. An office chair seat with adjustable backrest gears as claimed in claim 1, wherein: the movable triangular pieces (4) and the seat cushion (2) form a rotating structure through the connecting shaft (3), and the movable triangular pieces (4) and the handrails (5) are integrally arranged.

3. An office chair seat with adjustable backrest gears as claimed in claim 1, wherein: the connecting support plate (8) and the movable vertical plate (9) form a lifting structure through the adjusting slide block (7), and the connecting support plate (8) is in threaded connection with the waist support (10).

4. An office chair seat with adjustable backrest gears as claimed in claim 1, wherein: the headrest (14) and the lifting rod (12) form a rotating structure through the first rotating piece (13), and the lifting rod (12) is in sliding connection with the cross rod (11).

5. An office chair seat with adjustable backrest gears as claimed in claim 1, wherein: the table plate (17) and the cushion (2) form a lifting structure through the adjusting slide rod (15), and the table plate (17) and the seat body (1) form a rotating structure through the second rotating piece (16).

6. An office chair seat with adjustable backrest gears as claimed in claim 1, wherein: the rotating rod (20) and the cushion (2) form a rotating structure through a bearing (19), and the rotating rod (20) is in threaded connection with the foot pad (21).

7. An office chair seat with adjustable backrest gears as claimed in claim 1, wherein: the hydraulic rod (22) and the telescopic rod (24) form an elastic structure through a spring (23), and the telescopic rod (24) is connected with the elastic piece (25) in a clamping mode.