CN217218543U

CN217218543U - Office chair with adjustable armrests

Info

Publication number: CN217218543U
Application number: CN202220587675.0U
Authority: CN
Inventors: 叶袁; 顾永清
Original assignee: Anji Guyou Furniture Co ltd
Current assignee: Anji Guyou Furniture Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-19
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses an office chair with adjustable handrail, including seat support and back, the both sides fixedly connected with handrail post of seat support, handrail are installed through damping slewing mechanism in the upper portion of handrail post, and damping slewing mechanism rotates the seat damping including rotating seat and sleeve pipe, rotates the seat damping and rotates and install in the sheathed tube bottom. According to the damping rotation and limiting assembly formed by the sleeve, the rotating seat and the first threaded knob, when an office chair user adjusts the arm placing posture by rotating the armrest, more comfortable office chair use experience is obtained; through the handrail seat of handrail, handrail backing plate and the assembly devices dismantled between the two, then the handrail uses to become dirty or the handrail damages the back accessible and dismantles the structure of handrail to clean the position with user's arm contact, perhaps directly change the cleanness regularly to the handrail backing plate, thereby obtain better clean effect and safe and sanitary effect.

Description

Office chair with adjustable armrests

Technical Field

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

Background

Office chairs refer to various chairs which are convenient to work in daily work and social activities, office chairs are divided into a narrow sense and a broad sense by office partners, the narrow sense office chair refers to a backrest chair on which a person sits when working on a table top in a sitting posture, and the broad sense office chair refers to all chairs used in offices, including office chairs, middle class chairs, guest-meeting chairs, employee chairs, conference chairs, visitor chairs, training chairs and the like. The office chair is used as a seat for office workers to use for a long time, the sitting experience of the office chair is particularly important, the workers generally need to face a computer for a long time in the modern office process, but due to the difference of the sitting postures of each person, the postures of the arms placed on the office chair are different, and the chair armrests in the prior art cannot be conveniently and quickly adjusted; in addition, the surfaces of the armrests which are in contact with the arms for a long time are prone to getting dirty, especially in summer when the armrests are prone to sweating, the cleaning of all angles of the armrests which are integrally formed on the seat is troublesome in the conventional mode, and in order to obtain a convenient adjusting effect and be convenient to detach and clean, the office chair with the adjustable armrests needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an office chair with adjustable handrail to solve the problem that provides among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an office chair with adjustable handrail, includes seat support and back, the both sides fixedly connected with handrail post of seat support, the handrail is installed through damping slewing mechanism in the upper portion of handrail post, damping slewing mechanism is including rotating seat and sleeve pipe, it rotates and installs in the sheathed tube bottom to rotate a damping, rotate a fixed connection in the upper portion of handrail post, sleeve pipe fixed connection is on handrail upper portion, the handrail includes handrail seat and can dismantle the lock and install the handrail backing plate on handrail seat upper portion, one end fixedly connected with between handrail seat and the handrail backing plate couple and the shackle of mutually supporting, the other end between handrail seat and the handrail backing plate is provided with the internal thread post and the second screw knob of mutually supporting.

Preferably, the bottom of seat support fixed mounting has hydraulic pressure lift seat, hydraulic pressure lift seat fixed mounting is on the upper portion of gyro wheel base.

Preferably, the lateral part of the rotating seat is integrally formed with three groups of annular protrusions, and the annular protrusions are in interference fit with the inner side wall of the sleeve.

Preferably, a first thread knob is installed on the side portion of the sleeve in a threaded mode, the first thread knob penetrates through the inside of the sleeve, the end portion of a screw rod of the first thread knob abuts against the side portion of the rotating seat, and the screw rod of the first thread knob is located between two of the three groups of annular protrusions.

Preferably, the hook is fixedly connected to one end of the upper portion of the armrest seat, the hook ring is fixedly connected to one end of the bottom of the armrest cushion plate, and the hook ring is hung on the hook.

Preferably, the internal thread column is integrally formed at the other end of the bottom of the armrest base plate, the other end of the upper portion of the armrest seat is provided with a butt joint slot hole, the internal thread column is inserted into the butt joint slot hole, and the second thread knob penetrates through the butt joint slot hole and then is installed in the internal thread column in a threaded mode.

Compared with the prior art, the beneficial effects of the utility model are that:

through the damping rotating and limiting assembly formed by the sleeve, the rotating seat and the first threaded knob, when an office chair user adjusts the arm placing posture by rotating the armrest, more comfortable office chair use experience is obtained; through the handrail seat of handrail, handrail backing plate and the assembly devices dismantled between the two, then the handrail uses to become dirty or the handrail damages the back accessible and dismantles the structure of handrail to clean the position with user's arm contact, perhaps directly change the cleanness regularly to the handrail backing plate, thereby obtain better clean effect and safe and sanitary effect.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

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

fig. 2 is a schematic side structure view of the present invention;

fig. 3 is a schematic view of a part of the internal structure of the adjustable armrest of the present invention.

In the figure: 1. a chair seat; 2. a backrest; 3. a roller base; 4. an armrest post; 5. a sleeve; 6. a handrail; 7. a hydraulic lifting seat; 8. a rotating seat; 9. an annular projection; 10. a first threaded knob; 11. a handrail seat; 12. a handrail backing plate; 13. an internally threaded post; 14. butt-jointing the slotted holes; 15. a second threaded knob; 16. hooking; 17. a hook ring.

Detailed Description

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like are used herein only for convenience in reference to the figures and to merely aid in describing the invention, and are not intended to limit the invention.

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. 1-3, the present invention provides an embodiment:

the utility model provides an office chair with adjustable handrail, includes seat support 1 and back 2, the both sides fixedly connected with handrail post 4 of seat support 1, handrail 6 is installed through damping slewing mechanism in the upper portion of handrail post 4, damping slewing mechanism is including rotating seat 8 and sleeve pipe 5, rotate 8 damping rotations of seat and install in the bottom of sleeve pipe 5, rotate 8 fixed connection in the upper portion of handrail post 4, sleeve pipe 5 fixed connection is on 6 upper portions of handrail, handrail 6 includes handrail seat 11 and can dismantle the lock and install handrail backing plate 12 on handrail seat 11 upper portion, one end fixedly connected with between handrail seat 11 and the handrail backing plate 12 mutually supports couple 16 and hang shackle 17, the other end between handrail seat 11 and the handrail backing plate 12 is provided with the internal thread post 13 and the second screw thread knob 15 of mutually supporting.

When the chair is actually used, the user of the office chair can adjust the arm placing posture by rotating the armrests 6, so that more comfortable office chair use experience is obtained; through the handrail seat 11 of handrail 6, handrail backing plate 12 and the detachable assembly devices between the two, then the accessible is dismantled handrail 6's structure after the handrail uses to become dirty or the handrail damages to clean the position with user's arm contact, perhaps directly change the cleanness regularly handrail backing plate 12, thereby obtain better clean effect and safe and sanitary effect.

The bottom of the seat 1 is fixedly provided with a hydraulic lifting seat 7, and the hydraulic lifting seat 7 is fixedly arranged on the upper part of the roller base 3; the lifting chair of the prior art lifting chair comprises a pneumatic and hydraulic structure, wherein the hydraulic lifting seat 7 has higher use safety compared with the pneumatic adjustment.

As shown in fig. 3, three sets of annular protrusions 9 are integrally formed on the side of the rotating seat 8, and the annular protrusions 9 are in interference fit with the inner side wall of the sleeve 5; a first threaded knob 10 is installed on the side portion of the sleeve 5 in a threaded mode, the first threaded knob 10 penetrates through the sleeve 5, the end portion of a screw rod of the first threaded knob 10 abuts against the side portion of the rotating seat 8, and the screw rod of the first threaded knob 10 is located between two of the three groups of annular protrusions 9.

As shown in fig. 3, the hook 16 is fixedly connected to one end of the upper part of the armrest seat 11, the hook ring 17 is fixedly connected to one end of the bottom of the armrest cushion plate 12, and the hook ring 17 is hung on the hook 16; the internal thread column 13 is integrally formed at the other end of the bottom of the armrest pad 12, the other end of the upper portion of the armrest seat 11 is provided with a butt joint slot hole 14, the internal thread column 13 is inserted into the butt joint slot hole 14, and the second thread knob 15 is installed in the internal thread column 13 in a threaded manner after penetrating through the butt joint slot hole 14.

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 office chair with adjustable armrests comprises a chair seat (1) and a backrest (2), and is characterized in that: the two sides of the chair seat (1) are fixedly connected with armrest columns (4), the upper parts of the armrest columns (4) are provided with armrests (6) through damping rotating mechanisms, the damping rotating mechanism comprises a rotating seat (8) and a sleeve (5), the rotating seat (8) is mounted at the bottom of the sleeve (5) in a damping rotating manner, the rotating seat (8) is fixedly connected with the upper part of the handrail column (4), the sleeve (5) is fixedly connected with the upper part of the handrail (6), the handrail (6) comprises a handrail seat (11) and a handrail cushion plate (12) which is detachably buckled and arranged at the upper part of the handrail seat (11), one end between the armrest seat (11) and the armrest cushion plate (12) is fixedly connected with a hook (16) and a hook ring (17) which are matched with each other, the other end between the armrest seat (11) and the armrest cushion plate (12) is provided with an internal thread column (13) and a second thread knob (15) which are matched with each other.

2. An adjustable armrest office chair as claimed in claim 1, wherein: the bottom fixed mounting of seat support (1) has hydraulic pressure lift seat (7), hydraulic pressure lift seat (7) fixed mounting is on the upper portion of gyro wheel base (3).

3. An adjustable armrest office chair as claimed in claim 1, wherein: the lateral part of rotating seat (8) integrated into one piece has three sets of annular protrusion (9), be interference fit between annular protrusion (9) and the inside wall of sleeve pipe (5).

4. An adjustable armrest office chair as claimed in claim 1, wherein: the screw rod of the first thread knob (10) is positioned between two groups of the three groups of annular bulges (9).

5. An adjustable armrest office chair as claimed in claim 1, wherein: the hook (16) is fixedly connected to one end of the upper portion of the armrest seat (11), the hook ring (17) is fixedly connected to one end of the bottom of the armrest cushion plate (12), and the hook ring (17) is hung on the hook (16).

6. An adjustable armrest office chair as claimed in claim 1, wherein: the handrail seat is characterized in that the internal thread column (13) is integrally formed at the other end of the bottom of the handrail base plate (12), the other end of the upper portion of the handrail seat (11) is provided with a butt joint slotted hole (14), the internal thread column (13) is inserted into the butt joint slotted hole (14), and the second thread knob (15) penetrates through the butt joint slotted hole (14) and is installed in the internal thread column (13) in a threaded mode.