CN213429245U

CN213429245U - Adjustable seat back who accords with human engineering

Info

Publication number: CN213429245U
Application number: CN202021795030.3U
Authority: CN
Inventors: 杨福军; 万云珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-15
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to an ergonomic chair technical field just discloses an adjustable seat back that accords with human engineering, including the gas post, the bottom fixed mounting of gas post has the installation base, the bottom of installation base is rotated and is connected with universal gyro wheel, the outside movable mounting of gas post has the control lever, the top fixed mounting of gas post has first link, the inboard fixed mounting of first link has the connection seat, the right side fixed mounting who connects the seat has the second link, the right side of second link is rotated and is connected with the rotation backup plate, connect through-hole has been seted up in the outside of rotating the backup plate. This adjustable seat back that accords with human engineering, when the user is using, the user can adjust the movable rod at first and slide under spacing collar and connect the effect of through-hole to make the device possess adaptable user's height and carry out the advantage adjusted, made things convenient for the user to use.

Description

Adjustable seat back who accords with human engineering

Technical Field

The utility model relates to an ergonomic chair technical field specifically is an adjustable backrest who adjusts and accord with human engineering.

Background

The ergonomic chair is elegant in design, unique, fashionable and light, and is a novel environment-friendly healthy chair which is generally applied to modern families, entertainment, internet bars, hotels, leisure, conference rooms and office computer desks.

The design principle is released naturally, humanized adjustment is realized, the chair is suitable for adjustment of various body types, and the materials are mainly made of environment-friendly materials, but the pillow block of the existing ergonomic chair in the market at present cannot adapt to the height of a user to be adjusted, so that the problem that the user is uncomfortable to use due to the fact that the position of the pillow is not right when the user uses the chair is caused, and the chair backrest which can be adjusted and accords with ergonomics is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an adjustable seat back that adjusts and accord with human engineering possesses advantages such as adaptable user height and adjusts, has solved the unable adaptation user height of pillow piece of current ergonomic chair in the existing market and has adjusted, has caused the user probably to lead to using uncomfortable problem owing to not right of pillow position when using.

(II) technical scheme

For the purpose that realizes that above-mentioned adaptable user height carries out the regulation, the utility model provides a following technical scheme: a seat backrest capable of being adjusted and conforming to ergonomics comprises an air column, wherein a mounting base is fixedly mounted at the bottom of the air column, universal idler wheels are rotatably connected at the bottom of the mounting base, a control rod is movably mounted at the outer side of the air column, a first connecting frame is fixedly mounted at the top of the air column, a connecting seat plate is fixedly mounted at the inner side of the first connecting frame, a second connecting frame is fixedly mounted at the right side of the connecting seat plate, a rotating backup plate is rotatably connected at the right side of the second connecting frame, a connecting through hole is formed in the outer side of the rotating backup plate, a movable rod is movably connected at the inner side of the connecting through hole, limiting rings are fixedly mounted at the left end and the right end of the movable rod, a shock-absorbing rod is fixedly mounted at the left side of the limiting rings, a connecting block is fixedly mounted at the left end of the shock-absorbing rod, the right side installation through-hole has been seted up in the outside of spacing collar, the right side fixed mounting of spacing collar has the screw thread circle, the inboard swing joint of screw thread circle has the threaded rod, the inner of threaded rod is rotated and is connected with the location inserted block, the location slot has been seted up in the outside of rotating the backup plate.

Preferably, the bottom of the mounting base is provided with a circular limiting groove rotatably connected with the universal roller, and the control rod is an L-shaped rod.

Preferably, the outer side of the connecting seat plate is fixedly provided with a protective cotton pad, and the outer side of the headrest is fixedly provided with a protective cotton pad.

Preferably, the right side of the second connecting frame is provided with a mounting groove, and the rotating backup plate is rotatably connected inside the mounting groove.

Preferably, the inner side of the thread ring is provided with a thread groove, and the outer side of the threaded rod is fixedly provided with a thread lug which is meshed with the thread ring.

Preferably, the outer side of the positioning insertion block is fixedly provided with an insection lug, and an insection groove is formed in the positioning slot.

(III) advantageous effects

Compared with the prior art, the utility model provides an adjustable seat back that accords with human engineering who adjusts possesses following beneficial effect:

this adjustable regulation accords with human engineering's backrest, through setting up the movable rod, when the user is using, the user can adjust the movable rod at first and slide under spacing collar and connect the effect of through-hole, the spacing collar drives the headrest through the shock-absorbing rod and removes this moment, when the user removes the headrest to the ideal position, the user can rotate the threaded rod, the threaded rod drives to inboard to rotate under the effect of threaded collar this moment, the threaded rod promotes the inside that the location inserted block inserted to positioning slot, thereby accomplish the rigidity of headrest, the shock-absorbing rod can increase user's use comfort level between this, thereby make the device possess the advantage that adaptable user's height was adjusted, made things convenient for the user to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a point a shown in fig. 1 according to the present invention.

In the figure: the device comprises an air column 1, an installation base 2, universal rollers 3, a control rod 4, a first connecting frame 5, a connecting seat plate 6, a second connecting frame 7, a rotary backup plate 8, a connecting through hole 9, a movable rod 10, a limiting ring 11, a damping rod 12, a connecting block 13, a headrest 14, an installation through hole 15, a threaded ring 16, a threaded rod 17, a positioning plug block 18 and a positioning slot 19.

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.

Referring to fig. 1-2, an adjustable and ergonomic seat back comprises an air column 1, a mounting base 2 is fixedly mounted at the bottom of the air column 1, a universal roller 3 is rotatably connected to the bottom of the mounting base 2, a control rod 4 is movably mounted at the outer side of the air column 1, a circular limiting groove rotatably connected to the universal roller 3 is formed at the bottom of the mounting base 2, the control rod 4 is an L-shaped rod, a first connecting frame 5 is fixedly mounted at the top of the air column 1, a connecting seat plate 6 is fixedly mounted at the inner side of the first connecting frame 5, a second connecting frame 7 is fixedly mounted at the right side of the connecting seat plate 6, a rotating backup plate 8 is rotatably connected at the right side of the second connecting frame 7, a mounting groove is formed at the right side of the second connecting frame 7, the rotating backup plate 8 is rotatably connected to the inside of the mounting groove, a connecting through hole 9 is formed at the outer side of the rotating backup plate 8, a movable rod 10 is, the left end and the right end of the movable rod 10 are both fixedly provided with a limiting ring 11, the left side of the left limiting ring 11 is fixedly provided with a shock absorption rod 12, the left end of the shock absorption rod 12 is fixedly provided with a connecting block 13, the outer side of the connecting block 13 is fixedly provided with a headrest 14, the outer side of the connecting seat plate 6 is fixedly provided with a protective cotton pad, the outer side of the headrest 14 is fixedly provided with a protective cotton pad, the outer side of the right limiting ring 11 is provided with an installation through hole 15, the right side of the right limiting ring 11 is fixedly provided with a threaded ring 16, the inner side of the threaded ring 16 is movably connected with a threaded rod 17, the inner side of the threaded ring 16 is provided with a threaded groove, the outer side of the threaded rod 17 is fixedly provided with a threaded lug meshed with the threaded ring 16, the inner end of the threaded rod 17 is rotatably connected with, and the positioning slot 19 is internally provided with a insection groove, through the arrangement of the movable rod 10, when a user uses the device, the user can firstly adjust the movable rod 10 to slide under the action of the limiting ring 11 and the connecting through hole 9, at the moment, the limiting ring 11 drives the headrest 14 to move through the shock absorption rod 12, when the user moves the headrest 14 to an ideal position, the user can rotate the threaded rod 17, at the moment, the threaded rod 17 drives the threaded ring 16 to rotate inwards, the threaded rod 17 pushes the positioning insertion block 18 to be inserted into the positioning slot 19, so that the position fixation of the headrest 14 is completed, the shock absorption rod 12 can increase the use comfort level of the user, the device has the advantage of being adaptable to the height of the user to adjust, and the use of the user is facilitated.

When the adjustable headrest is used, a user can firstly adjust the movable rod 10 to slide under the action of the limiting ring 11 and the connecting through hole 9, when the user moves the headrest 14 to an ideal position, the user can rotate the threaded rod 17 to complete the position fixing of the headrest 14, the damping rod 12 can increase the use comfort of the user, and therefore the adjustable headrest has the advantage of being adaptable to the height of the user to adjust, and the adjustable headrest is convenient for the user to use.

In summary, according to the adjustable and adjustable seat backrest conforming to ergonomics, by providing the movable rod 10, when a user uses the adjustable and adjustable seat backrest, the user can firstly adjust the movable rod 10 to slide under the action of the limiting ring 11 and the connecting through hole 9, at the moment, the limiting ring 11 drives the headrest 14 to move through the shock absorption rod 12, when the user moves the headrest 14 to an ideal position, the user can rotate the threaded rod 17, at the moment, the threaded rod 17 is driven to rotate inwards under the action of the threaded ring 16, the threaded rod 17 pushes the positioning insertion block 18 to be inserted into the positioning insertion slot 19, so as to fix the position of the headrest 14, the shock absorption rod 12 can increase the use comfort of the user, so that the adjustable and adjustable seat backrest has the advantages of being adaptable to the height of the user for adjustment, being convenient for the user to use, and solving the problem that the pillow block of the existing ergonomic chair in the market can not, causing a problem that the user may feel uncomfortable in use due to the improper position of the pillow when using the pillow.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. An adjustable ergonomic seat back comprising a gas column (1), characterized in that: the gas column is characterized in that an installation base (2) is fixedly installed at the bottom of the gas column (1), universal idler wheels (3) are rotatably connected to the bottom of the installation base (2), a control rod (4) is movably installed at the outer side of the gas column (1), a first connecting frame (5) is fixedly installed at the top of the gas column (1), a connecting seat plate (6) is fixedly installed at the inner side of the first connecting frame (5), a second connecting frame (7) is fixedly installed at the right side of the connecting seat plate (6), a rotating backup plate (8) is rotatably connected to the right side of the second connecting frame (7), a connecting through hole (9) is formed in the outer side of the rotating backup plate (8), a movable rod (10) is movably connected to the inner side of the connecting through hole (9), limiting rings (11) are fixedly installed at the left end and the right end of the movable rod (10), a damping rod (12) is fixedly installed at the left end of the, the left end fixed mounting of shock attenuation pole (12) has connecting block (13), the outside fixed mounting of connecting block (13) has headrest (14), right side mounting hole (15), right side have been seted up in the outside of spacing collar (11) the right side fixed mounting of spacing collar (11) has fillet of thread (16), the inboard swing joint of fillet of thread (16) has threaded rod (17), the inner of threaded rod (17) is rotated and is connected with location inserted block (18), location slot (19) have been seted up in the outside of rotating backup plate (8).

2. An adjustable ergonomic seat back according to claim 1, wherein: the bottom of the mounting base (2) is provided with a circular limiting groove which is rotatably connected with the universal idler wheel (3), and the control rod (4) is an L-shaped rod.

3. An adjustable ergonomic seat back according to claim 1, wherein: the outside fixed mounting who connects seat (6) has the cotton pad of protection, and the outside fixed mounting of headrest (14) has the cotton pad of protection.

4. An adjustable ergonomic seat back according to claim 1, wherein: the mounting groove has been seted up on the right side of second link (7), and rotates backup plate (8) and rotate and connect in the inside of mounting groove.

5. An adjustable ergonomic seat back according to claim 1, wherein: the inner side of the thread ring (16) is provided with a thread groove, and the outer side of the threaded rod (17) is fixedly provided with a thread lug which is meshed with the thread ring (16).

6. An adjustable ergonomic seat back according to claim 1, wherein: the outer side of the positioning insertion block (18) is fixedly provided with an insection lug, and an insection groove is formed in the positioning slot (19).