CN217959351U

CN217959351U - Office chair convenient for height adjustment for office

Info

Publication number: CN217959351U
Application number: CN202220281849.0U
Authority: CN
Inventors: 宫卓林
Original assignee: Wuhan Meigao Industrial Co ltd
Current assignee: Wuhan Meigao Industrial Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-12-06
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses an official working is with office chair convenient to height-adjusting relates to office chair technical field, the on-line screen storage device comprises a base, the avris of base lower extreme is installed and is removed the wheel, the upper end of base is provided with high adjustment mechanism. The utility model discloses a set up the telescopic link, arc connecting plate and handrail mechanism, drive locking bolt through the rotation regulation handle and move to the outside, thereby locking bolt and telescopic link phase separation, then can remove the height of seat cushion, and through removing the arc connecting plate, adjust the distance between back pad and the seat cushion, adjust and accomplish the back, rotatory limit handle, drive limit handle rebound through two threaded rods, it is fixed with arc connecting plate and bearing plate mutual locking, and can adjust the angle of hand pad through handrail mechanism, whole flexibility is higher, conveniently according to personnel's size and use habit adjustment office chair, the practicality is greatly improved.

Description

Office chair convenient for height adjustment for office

Technical Field

The utility model relates to an office chair technical field specifically is an office chair of height-adjusting is convenient for official working.

Background

The office chair is defined narrowly as a back rest chair on which a person sits when working on a table in a sitting posture, and is defined broadly as all chairs used in offices, including office chairs, conference chairs, visitor chairs, training chairs and the like.

The existing office chair is poor in flexibility, the height difference between male and female staff is large, the heights of the seat and the office table cannot be coordinated due to different sitting postures of the staff, the comfort is poor when the office chair is used for a long time, and the practicability is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an official working is with office chair of height-adjusting of being convenient for to current office chair flexibility that proposes in solving above-mentioned background art is relatively poor, and the height difference between the man and woman staff is great, and the difference of personnel's position of sitting custom, leads to the unable coordination of height of seat and desk, and when long-term the use, the comfort is relatively poor, greatly reduced the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: an office chair convenient for height adjustment for office use comprises a base, wherein a movable wheel is arranged on the side of the lower end of the base, and a height adjusting mechanism is arranged at the upper end of the base;

a bearing plate is arranged above the base, a seat cushion is arranged above the bearing plate, a fixing rod is arranged between the side of the bearing plate and the seat cushion, and handrail mechanisms are arranged on the front side and the rear side of the bearing plate;

the left side of seat cushion is provided with the back pad, the headrest is installed to the upper end of back pad, be provided with apart from guiding mechanism between bearing plate and the back pad.

Preferably, height adjusting mechanism includes adjusting sleeve, telescopic link, locking bolt and regulation handle, the telescopic link has been cup jointed in the adjusting sleeve, the upper end of telescopic link extends to adjusting sleeve's top and bearing plate fixed connection, the locking bolt is installed to the front side of adjusting sleeve upper end, the front end fixedly connected with regulation handle of locking bolt, locking bolt and telescopic link threaded connection.

Preferably, the left and right sides that the dead lever is located the seat cushion is provided with two, and two the one end and the bearing plate fixed connection of dead lever, two the one end that the bearing plate was kept away from to the dead lever and the lower extreme fixed connection of seat cushion.

Preferably, handrail mechanism includes threaded rod one, link, fixed plate, hand pad and latch segment, threaded rod one is installed to the avris of bearing plate, the avris of bearing plate is located the outside of threaded rod one and rotates through the bearing and is connected with the link, the hand pad of upper end fixedly connected with of link, the fixed surface of link is connected with the fixed plate, the one end fixedly connected with latch segment of bearing plate is kept away from to threaded rod one.

Preferably, the first threaded rod is in threaded connection with the bearing plate, the two fixing plates are arranged, and the outer diameter of the locking block is larger than the width of the connecting frame.

Preferably, the distance adjusting mechanism comprises an arc-shaped connecting plate, an adjusting groove, a sliding groove, a second threaded rod and a limiting handle, the adjusting groove is formed in the side of the lower end of the arc-shaped connecting plate, the sliding groove is formed in the left side of the lower end of the bearing plate, the lower end of the bearing plate is located in the sliding groove and is fixedly connected with the second threaded rod, and the limiting handle is installed on the second threaded rod.

Preferably, the lower extreme and the sliding tray sliding connection of arc connecting plate, the lower extreme of threaded rod two extends to the outside and the spacing handle threaded connection of adjustment tank, threaded rod two and adjustment tank looks mutual adaptation.

Compared with the prior art, the utility model provides an official working is with office chair of height-adjusting of being convenient for possesses following beneficial effect:

the utility model provides a there is the telescopic link, arc connecting plate and handrail mechanism, drive locking bolt through the rotation regulation handle and move to the outside, thereby locking bolt and telescopic link phase separation, then can remove the height of seat cushion, and through removing the arc connecting plate, adjust the distance between back pad and the seat cushion, adjust and accomplish the back, rotatory limit handle, drive limit handle rebound through two threaded rods, it is fixed with arc connecting plate and bearing plate mutual locking, and can adjust the angle of hand pad through handrail mechanism, whole flexibility is higher, conveniently according to personnel's size and use habit adjustment office chair, the practicality is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a bearing plate of the present invention;

fig. 3 is a schematic cross-sectional structure view of the armrest mechanism of the present invention;

fig. 4 is a schematic view of the internal structure of the distance adjustment mechanism of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the arc-shaped connecting plate of the present invention.

In the figure: 1. a base; 2. a moving wheel; 3. a height adjustment mechanism; 301. an adjustment sleeve; 302. a telescopic rod; 303. locking the bolt; 304. an adjusting handle; 4. a bearing plate; 5. a seat cushion; 6. fixing the rod; 7. an armrest mechanism; 701. a first threaded rod; 702. a connecting frame; 703. a fixing plate; 704. a hand pad; 705. a locking block; 8. a backrest cushion; 9. a headrest; 10. a distance adjusting mechanism; 1001. an arc-shaped connecting plate; 1002. an adjustment groove; 1003. a sliding groove; 1004. a second threaded rod; 1005. a limiting handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an office chair convenient for height adjustment for office work comprises a base 1, wherein a movable wheel 2 is mounted on the side of the lower end of the base 1, a height adjusting mechanism 3 is arranged at the upper end of the base 1, the height adjusting mechanism 3 comprises an adjusting sleeve 301, an expansion rod 302, a locking bolt 303 and an adjusting handle 304, the expansion rod 302 is sleeved in the adjusting sleeve 301, the upper end of the expansion rod 302 extends to the upper part of the adjusting sleeve 301 and is fixedly connected with a bearing plate 4, the locking bolt 303 is mounted on the front side of the upper end of the adjusting sleeve 301, the adjusting handle 304 is fixedly connected with the front end of the locking bolt 303, the locking bolt 303 is in threaded connection with the expansion rod 302, the expansion rod 302 is positioned in the adjusting sleeve 301 to slide by moving the bearing plate 4, the height of a seat cushion 5 is changed, height adjustment is achieved, and after the adjustment is completed, the adjusting handle 304 is rotated to drive the locking bolt 303 to move, and the expansion rod 302 is fixed in a limiting manner;

a bearing plate 4 is arranged above the base 1, a seat cushion 5 is arranged above the bearing plate 4, fixing rods 6 are arranged between the side of the bearing plate 4 and the seat cushion 5, two fixing rods 6 are symmetrically arranged at the left side and the right side of the seat cushion 5, one ends of the two fixing rods 6 are fixedly connected with the bearing plate 4, one ends of the two fixing rods 6 far away from the bearing plate 4 are fixedly connected with the lower end of the seat cushion 5, handrail mechanisms 7 are arranged at the front side and the rear side of the bearing plate 4, each handrail mechanism 7 comprises a first threaded rod 701, a connecting frame 702, a fixing plate 703, a handrail cushion 704 and a locking block 705, a first threaded rod 701 is arranged at the side of the bearing plate 4, the side of the bearing plate 4 is positioned on the outer side of the first threaded rod 701 and is rotatably connected with a connecting frame 702 through a bearing, the upper end of the connecting frame 702 is fixedly connected with a hand pad 704, the surface of the connecting frame 702 is fixedly connected with a fixing plate 703, one end, far away from the bearing plate 4, of the first threaded rod 701 is fixedly connected with a locking block 705, the first threaded rod 701 is in threaded connection with the bearing plate 4, the number of the fixing plates 703 is two, the outer diameter of the locking block 705 is larger than the width of the connecting frame 702, the seat cushion 5 is fixedly supported through the fixing rod 6, the angle of the hand pad 704 is changed by rotating the connecting frame 702, and the flexibility is good;

the left side of the seat cushion 5 is provided with a backrest cushion 8, the upper end of the backrest cushion 8 is provided with a headrest 9, a distance adjusting mechanism 10 is arranged between the bearing plate 4 and the backrest cushion 8, the distance adjusting mechanism 10 comprises an arc-shaped connecting plate 1001, an adjusting groove 1002, a sliding groove 1003, a threaded rod two 1004 and a limiting handle 1005, the adjusting groove 1002 is formed in the side of the lower end of the arc-shaped connecting plate 1001, the sliding groove 1003 is formed in the left side of the lower end of the bearing plate 4, the lower end of the bearing plate 4 is located in the sliding groove 1003 and fixedly connected with the threaded rod two 1004, the limiting handle 1005 is installed on the threaded rod two 1004, the lower end of the arc-shaped connecting plate 1001 is slidably connected with the sliding groove 1003, the lower end of the threaded rod two 1004 extends to the outer side of the adjusting groove 1002 and is in threaded connection with the limiting handle 1005, the threaded rod two 1004 is mutually matched with the adjusting groove 1002, the distance between the backrest cushion 8 and the seat cushion 5 is adjusted through the arc-shaped connecting plate 1001, the limiting handle 1005 is rotated, the limiting handle 1005 is driven to move upwards through the threaded rod two 1004, and the arc-shaped connecting plate 1001 and the bearing plate 4 are mutually locked and fixed.

Working principle; firstly, when in use, a person sits on the seat cushion 5, leans against the backrest cushion 8, and utilizes the headrest 9 to support the head, and make things convenient for the office chair to move through moving the wheel 2, when the user is different, the locking bolt 303 is driven to move to the outside through rotating the adjusting handle 304, thereby the locking bolt 303 is separated from the telescopic rod 302, make the telescopic rod 302 be located in the adjusting sleeve 301 to move, the height of the seat cushion 5 can be moved, and through moving the arc-shaped connecting plate 1001, adjust the distance between the backrest cushion 8 and the seat cushion 5, after the adjustment is completed, rotate the limit handle 1005, drive the limit handle 1005 to move upwards through the second threaded rod 1004, lock and fix the arc-shaped connecting plate 1001 and the bearing plate 4 mutually, thereby adjust the position of the backrest cushion 8, and adjust the angle of the hand cushion 704 through the armrest mechanism 7, and limit and fix the connecting frame 702 through the locking block 705, conveniently adjust the angle of the hand cushion 704, the overall flexibility is higher, and the office chair is conveniently adjusted according to the size and the use habit, and the practicability is greatly improved.

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

Claims

1. The utility model provides an office chair of height-adjusting with being convenient for of official working, includes base (1), its characterized in that: the side of the lower end of the base (1) is provided with a movable wheel (2), and the upper end of the base (1) is provided with a height adjusting mechanism (3);

a bearing plate (4) is arranged above the base (1), a seat cushion (5) is arranged above the bearing plate (4), a fixing rod (6) is arranged between the side of the bearing plate (4) and the seat cushion (5), and handrail mechanisms (7) are arranged on the front side and the rear side of the bearing plate (4);

the left side of seat cushion (5) is provided with back pad (8), headrest (9) are installed to the upper end of back pad (8), be provided with apart from guiding mechanism (10) between bearing plate (4) and back pad (8).

2. An office chair with height adjustable convenience for office use as claimed in claim 1, wherein: height adjusting mechanism (3) are including adjusting sleeve (301), telescopic link (302), locking bolt (303) and regulation handle (304), telescopic link (302) have been cup jointed in adjusting sleeve (301), the upper end of telescopic link (302) extends to the top and bearing plate (4) fixed connection of adjusting sleeve (301), locking bolt (303) are installed to the front side of adjusting sleeve (301) upper end, the front end fixedly connected with regulation handle (304) of locking bolt (303), locking bolt (303) and telescopic link (302) threaded connection.

3. An office chair with height adjustable convenience for office use as claimed in claim 1, wherein: the left and right sides symmetry that dead lever (6) are located seat cushion (5) is provided with two, and two the one end and bearing plate (4) fixed connection of dead lever (6), two the one end of bearing plate (4) and the lower extreme fixed connection of seat cushion (5) are kept away from in dead lever (6).

4. An office chair with height adjustable convenience for office use as claimed in claim 1, wherein: handrail mechanism (7) are including threaded rod (701), link (702), fixed plate (703), hand pad (704) and latch segment (705), threaded rod (701) are installed to the avris of bearing plate (4), the outside that the avris of bearing plate (4) is located threaded rod (701) rotates through the bearing and is connected with link (702), the handheld pad (704) of upper end fixedly connected with of link (702), the fixed surface of link (702) is connected with fixed plate (703), one end fixedly connected with latch segment (705) of bearing plate (4) are kept away from in threaded rod (701).

5. An office chair with height adjustable convenience for office use according to claim 4, wherein: the first threaded rod (701) is in threaded connection with the bearing plate (4), the two fixing plates (703) are arranged, and the outer diameter of the locking block (705) is larger than the width of the connecting frame (702).

6. An office chair with height adjustable convenience for office use according to claim 1, wherein: the distance adjusting mechanism (10) comprises an arc-shaped connecting plate (1001), an adjusting groove (1002), a sliding groove (1003), a second threaded rod (1004) and a limiting handle (1005), the adjusting groove (1002) is formed in the side of the lower end of the arc-shaped connecting plate (1001), the sliding groove (1003) is formed in the left side of the lower end of the bearing plate (4), the lower end of the bearing plate (4) is located in the sliding groove (1003), the second threaded rod (1004) is fixedly connected with the second threaded rod (1004), and the limiting handle (1005) is installed on the second threaded rod (1004).

7. An office chair with height adjustable convenience for office use as claimed in claim 6, wherein: the lower end of the arc-shaped connecting plate (1001) is in sliding connection with the sliding groove (1003), the lower end of the second threaded rod (1004) extends to the outer side of the adjusting groove (1002) and is in threaded connection with the limiting handle (1005), and the second threaded rod (1004) is matched with the adjusting groove (1002).