CN210407773U

CN210407773U - Adjustable armrest structure of office chair

Info

Publication number: CN210407773U
Application number: CN201921096521.6U
Authority: CN
Inventors: 陈荣林
Original assignee: Foshan Nanhai Shenghao Office Furniture Fittings Co ltd
Current assignee: Foshan Nanhai Shenghao Office Furniture Fittings Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-28
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses an adjustable handrail structure of office chair relates to office chair technical field, and it includes the handrail, and the lower fixed surface of handrail is connected with the backup pad, and the top of backup pad right flank is through head and electric putter's left end fixed connection, and electric putter's right-hand member passes through rotary device and two fixed plate's opposite face joint. This adjustable handrail structure of office chair, through setting up electric putter, when electric putter extends or shortens, because the movable block is rotatory on the fixed block through the round pin axle, make the rotation that electric putter's left end can be nimble, the pivot also can be nimble at two bearing internal rotations simultaneously, make the rotation that electric putter's right-hand member also can be nimble, along with electric putter extension or shorten, the folded sheet is gradually with handrail parallel and level or perpendicular and ground around closing the page or leaf, the width of adjustment handrail that so not only can be nimble, also can make things convenient for people to place the thing of hand-carrying, make things convenient for people can comfortable sitting down.

Description

Adjustable armrest structure of office chair

Technical Field

The utility model relates to an office chair technical field specifically is an adjustable handrail structure of office chair.

Background

The office chair refers to various chairs which are equipped for working conveniently in daily work and social activities. The office chair is the indispensable office furniture of daily official working, and in modern office life, the office chair handrail is assembled through the independent spare part of single function and is realized, but current handrail function singleness, and the structure is simpler, can't adjust its scope width, and in the in-process of using, and things that carry with oneself such as cell-phone and key can influence the comfort level that people sat down when people sit down sometimes, brings abominable official working mood for people.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an adjustable handrail structure of office chair has solved current handrail function singleness, and the structure is simpler, can't adjust its scope width, and at the in-process that uses, and the thing that sometimes carries with oneself such as cell-phone and key can influence the comfort level that people sat when people sit down, gives people the problem of bringing abominable official working mood.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides an adjustable handrail structure of office chair, includes the handrail, the lower fixed surface of handrail is connected with the backup pad, the top of backup pad right flank is through the left end fixed connection of head and electric putter, electric putter's right-hand member passes through the opposite face joint of rotary device and two fixed plates, and the equal fixed connection in the lower surface of folded sheet of upper surface of two fixed plates, the left side of folded sheet lower surface is articulated through the right side of a plurality of hinge with the handrail lower surface, and the left surface overlap joint of folded sheet is at the right flank of handrail, the lower fixed surface of backup pad is connected with the connecting plate, a plurality of screw thread through-hole has been seted up to the upper surface of connecting plate, the positive top of backup pad is provided with the power, the front.

Preferably, the movable device comprises a fixed block, the front surface of the fixed block is movably connected with the back surface of the movable block through a pin shaft, and the right side surface of the movable block is fixedly connected to the left end of the electric push rod.

Preferably, rotary device includes the pivot, the fixed surface of pivot is connected at electric putter's right-hand member, the bearing has all been cup jointed to the positive one end of pivot and the one end at the back, and the opposite face at two fixed plates of joint respectively of the one side that two bearings kept away from mutually.

Preferably, the upper surface of the armrest is provided with a cushion, and the cushion is made of cotton and linen.

Preferably, three placing grooves are formed in the upper surface of the folding plate, and the three placing grooves are uniformly distributed on the upper surface of the folding plate.

Preferably, the output end of the power supply is electrically connected with the input end of the switch through a wire, and the output end of the switch is electrically connected with the input end of the electric push rod through a wire.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this adjustable handrail structure of office chair, through setting up electric putter, when electric putter extends or shortens, because the movable block is rotatory on the fixed block through the round pin axle, make the rotation that electric putter's left end can be nimble, the pivot also can be nimble at two bearing internal rotations simultaneously, make the rotation that electric putter's right-hand member also can be nimble, along with electric putter extension or shorten, the folded sheet is gradually with handrail parallel and level or perpendicular and ground around closing the page or leaf, the width of adjustment handrail that so not only can be nimble, also can make things convenient for people to place the thing of hand-carrying, make things convenient for people can comfortable sitting down.

2. This adjustable handrail structure of office chair through setting up connecting plate and screw through-hole, people use the screw to pass through connecting plate and screw through-hole and can fix the handrail on the seat, dismantles the screw simultaneously and also can directly lift the handrail off, gives people like this and installs and dismantle the handrail and brought the convenience.

3. This adjustable handrail structure of office chair through setting up the cushion, can make people's arm place become more comfortable on the handrail, and the adhesion is on the handrail when cotton-flax material can prevent that the arm from perspiring simultaneously, through setting up the standing groove, provides the place of placing for the thing that people hand-carried, gives people and uses and has brought the convenience.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

fig. 3 is a schematic structural view of the folding plate of the present invention.

In the figure: the device comprises a handrail 1, a support plate 2, a movable device 3, a fixed block 31, a pin shaft 32, a movable block 33, an electric push rod 4, a rotating device 5, a rotating shaft 51, a bearing 52, a fixed plate 6, a folding plate 7, a hinge 8, a placement groove 9, a soft cushion 10, a connecting plate 11, a threaded through hole 12, a power supply 13 and a switch 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: an adjustable armrest structure of an office chair comprises an armrest 1, a cushion 10 is arranged on the upper surface of the armrest 1, the cushion 10 is made of cotton and hemp, the armrest 1 can be more comfortable when an arm of a user is placed on the armrest 1 by arranging the cushion 10, meanwhile, the cotton and hemp can prevent the arm from being adhered to the armrest 1 when the arm sweats, a supporting plate 2 is fixedly connected to the lower surface of the armrest 1, the upper portion of the right side surface of the supporting plate 2 is fixedly connected with the left end of an electric push rod 4 through a movable device 3, the movable device 3 comprises a fixed block 31, the front surface of the fixed block 31 is movably connected with the back surface of a movable block 33 through a pin shaft 32, the right side surface of the movable block 33 is fixedly connected with the left end of the electric push rod 4, and by arranging the movable device 3, the movable block 33 rotates on the fixed block 31 through the pin shaft 32, so that the left, the right end of the electric push rod 4 is connected with the opposite surfaces of the two fixed plates 6 in a clamping manner through the rotating device 5, through the arrangement of the electric push rod 4, under the action of the moving device 3 and the rotating device 5, along with the extension or shortening of the electric push rod 4, the folding plate 7 is gradually flush with the handrail 1 or is vertical to the ground around the hinge 8, so that the width of the handrail 1 can be flexibly adjusted, people can conveniently place carried objects, and people can conveniently sit comfortably, the rotating device 5 comprises a rotating shaft 51, the surface of the rotating shaft 51 is fixedly connected with the right end of the electric push rod 4, bearings 52 are sleeved at one end of the front surface and one end of the back surface of the rotating shaft 51, one surfaces far away from the two bearings 52 are respectively connected with the opposite surfaces of the two fixed plates 6 in a clamping manner, through the rotating device 5, the rotating shaft 51 can flexibly rotate in the two bearings 52, and, the upper surfaces of the two fixing plates 6 are fixedly connected to the lower surface of the folding plate 7, the upper surface of the folding plate 7 is provided with three placing grooves 9, the three placing grooves 9 are uniformly distributed on the upper surface of the folding plate 7, a place for placing articles carried by people is provided by arranging the placing grooves 9, convenience is brought to people, the left side of the lower surface of the folding plate 7 is hinged to the right side of the lower surface of the handrail 1 through a plurality of hinges 8, the left side of the folding plate 7 is lapped on the right side of the handrail 1, the lower surface of the supporting plate 2 is fixedly connected with a connecting plate 11, the upper surface of the connecting plate 11 is provided with a plurality of threaded through holes 12, the handrail 1 can be fixed on a seat by using screws through the connecting plate 11 and the threaded through holes 12 by arranging the connecting plate 11 and the threaded through holes 12, and the handrail 1 can be directly dismounted simultaneously, it is convenient to have brought with dismantling handrail 1 for people's installation like this, the positive top of backup pad 2 is provided with power 13, power 13's front is provided with switch 14, through setting up power 13, can provide the electric energy for electric putter 4, power 13's output passes through the wire and is connected with switch 14's input electricity, switch 14's output passes through the wire and is connected with electric putter 4's input electricity, through setting up switch 14, make the normal work of control electric putter 4 that the workman can be more convenient.

The utility model discloses an operating procedure does:

s1, when in use, people fix the connecting plate 11 on the seat by using screws, so that the armrest 1 is stably fixed on the seat;

s2, when people need to adjust the folding plate 7 to the horizontal position, people control the electric push rod 4 to start through the power supply 13, when the electric push rod 4 extends, the left end of the electric push rod 4 rotates on the movable block 33, and the right end of the electric push rod 4 rotates on the rotating shaft 51, so that the electric push rod 4 extends to drive the folding plate 7 to unfold to be flush with the handrail 1;

s3, when people need to fold the folding plate 7, the electric push rod 4 is controlled to shorten through the switch 14, the electric push rod 4 shortens to drive the folding plate 7 to fold downwards around the hinge 8, and the folding plate 7 is folded to the vertical direction.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an adjustable handrail structure of office chair, includes handrail (1), its characterized in that: the lower fixed surface of handrail (1) is connected with backup pad (2), the top of backup pad (2) right flank is through the left end fixed connection of head (3) and electric putter (4), the right-hand member of electric putter (4) passes through rotary device (5) and the opposite face joint of two fixed plates (6), and the upper surface of two fixed plates (6) is equal fixed connection at the lower surface of folded sheet (7), the left side of folded sheet (7) lower surface is articulated with the right side of handrail (1) lower surface through a plurality of hinge (8), and the left side overlap joint of folded sheet (7) is at the right flank of handrail (1), the lower fixed surface of backup pad (2) is connected with connecting plate (11), a plurality of screw through-hole (12) have been seted up to the upper surface of connecting plate (11), the positive top of backup pad (2) is provided with power (13), and a switch (14) is arranged on the front surface of the power supply (13).

2. An adjustable armrest structure for an office chair as claimed in claim 1, wherein: the movable device (3) comprises a fixed block (31), the front side of the fixed block (31) is movably connected with the back side of a movable block (33) through a pin shaft (32), and the right side face of the movable block (33) is fixedly connected to the left end of the electric push rod (4).

3. An adjustable armrest structure for an office chair as claimed in claim 1, wherein: rotating device (5) are including pivot (51), the fixed surface of pivot (51) is connected at the right-hand member of electric putter (4), bearing (52) have all been cup jointed to the one end at the positive one end of pivot (51) and the one end at the back, and the opposite face of joint respectively at two fixed plates (6) is kept away from mutually in two bearings (52).

4. An adjustable armrest structure for an office chair as claimed in claim 1, wherein: the upper surface of handrail (1) is provided with cushion (10), the material of cushion (10) is cotton-flax.

5. An adjustable armrest structure for an office chair as claimed in claim 1, wherein: three placing grooves (9) are formed in the upper surface of the folding plate (7), and the three placing grooves (9) are uniformly distributed on the upper surface of the folding plate (7).

6. An adjustable armrest structure for an office chair as claimed in claim 1, wherein: the output end of the power supply (13) is electrically connected with the input end of the switch (14) through a lead, and the output end of the switch (14) is electrically connected with the input end of the electric push rod (4) through a lead.