CN219661289U

CN219661289U - Office chair with adjustable armrests

Info

Publication number: CN219661289U
Application number: CN202320421620.7U
Authority: CN
Inventors: 童柏军
Original assignee: Zhejiang Yuyue Furniture Co ltd
Current assignee: Zhejiang Yuyue Furniture Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-09-12
Anticipated expiration: 2033-03-08

Abstract

The utility model provides an office chair with adjustable armrests, which comprises a supporting part and a cushion part, wherein the left side and the right side of the cushion part are respectively provided with an armrest assembly, the armrest assemblies comprise a first rod body, a second rod body and a third rod body which are connected through end parts in sequence, and rotary shafts are formed between the first rod body and the second rod body and between the second rod body and the third rod body; the side edge of the cushion part is provided with an armrest connecting part close to the rear end, and one end of the first rod body far away from the second rod body is connected with the armrest connecting part to form a rotating shaft; the side of the cushion part is provided with a handrail fixing part near the front end, and the handrail fixing part can be detachably connected with the free end of the third rod body. The movable armrest assembly is arranged, and the rod bodies of the armrest assembly can be rotated to form a folding storage state, so that the occupied space of the armrest assembly is reduced, and the office chair can be conveniently stored below an office desk.

Description

Office chair with adjustable armrests

Technical Field

The utility model relates to the technical field of seats, in particular to an office chair with adjustable armrests.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities, office partners divide office chairs into a narrow sense and a broad sense, the narrow sense office chairs are backrest chairs for people sitting on when performing desktop work in a sitting posture state, and the broad sense office chairs are all chairs used in offices, including office chairs, guest chairs, staff chairs, conference chairs, guest chairs, training chairs and the like. Because of the characteristics of portability and easy movement, office chairs are sometimes used in a moving manner among a plurality of scenes, most of armrests of the office chairs in the market are arranged by adopting a fixed structure, so that the shape and the size of the office chairs cannot be adjusted, and when the office chairs are used in different scenes, the office chairs can be inconvenient to store due to the obstruction of the armrests, for example, when the office chairs are used for some office tables, the seat parts of the office chairs can not be stored below the office tables due to the existence of the armrests, and the office chairs are inconvenient to use.

Patent application number CN201020003361.9 discloses a office chair armrest backward rotation device, and the device can make the armrest that is towards office chair the place ahead rotate to towards the rear, reduces the condition that the armrest contradicts with the desk, makes the office chair easily accomodate. However, this technical scheme still has certain problem, firstly because its mode of solving the problem is the panel position of horizontal rotation handrail, this leads to the handrail length to receive the restriction, otherwise can stretch out backward from the back of the chair position after the handrail is rotatory and form protruding structure, protruding structure can influence nearby personnel's action, secondly even with the panel position rotation of handrail, the pillar of handrail still keeps the position unchanged, can influence the accomodating of office chair to a certain extent, leads to the effect unsatisfactory.

Disclosure of Invention

In order to solve the above problems, the present utility model provides an office chair with adjustable armrests, wherein the armrests of the office chair can be deformed and folded, so that the seat of the office chair can be conveniently stored below the office table, and the portability of the office chair is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the office chair with the armrests comprises a supporting part and a cushion part, wherein the left side and the right side of the cushion part are respectively provided with an armrest assembly, each armrest assembly comprises a first rod body, a second rod body and a third rod body which are connected through end parts in sequence, and rotary shafts are respectively formed between the first rod body and the second rod body and between the second rod body and the third rod body; the side edge of the cushion part is provided with an armrest connecting part close to the rear end, and one end of the first rod body far away from the second rod body is connected with the armrest connecting part to form a rotating shaft; the side of the cushion part is provided with a handrail fixing part near the front end, and the handrail fixing part can be detachably connected with the free end of the third rod body.

The movable armrest assembly is arranged, the first rod body, the second rod body and the third rod body which form the armrest assembly are connected through the rotating shafts, so that the rod bodies of the armrest assembly can be folded through rotation, the occupied space of the armrest assembly is reduced, specifically, the third rod body is rotated and is close to the second rod body, the second rod body and the third rod body are rotated and are close to the first rod body, a single rod structure formed by the first rod body, the second rod body and the third rod body is formed, preferably, the free end of the single rod structure can be lapped on an armrest fixing part, the armrest assembly is folded, the single rod structure formed by the armrest assembly is basically flush with a seat, and is not easy to abut against an office chair.

Further, the second rod body is provided with a main accommodating cavity, and the third rod body can rotate and is accommodated in the main accommodating cavity; the first rod body is provided with an auxiliary accommodating cavity, and the first rod body can be rotated and accommodated in the main accommodating cavity, and the auxiliary accommodating cavity accommodates the third rod body. In order to further improve the folding effect of the armrest assembly, the utility model further can also be provided with a main accommodating cavity and a secondary accommodating cavity, and in the specific use process, the third rod body is firstly rotatably accommodated in the main accommodating cavity

Further, the second rod body comprises a corner portion and a main body portion, the corner portion is arranged at one end of the main body portion and forms a right-angle corner with the main body portion, and the second rod body is connected with the first rod body through the corner portion.

Further, the first rod body comprises two first side plates which are arranged in parallel, and the auxiliary accommodating cavity is formed between the two first side plates.

Further, the second rod body comprises two second side plates which are arranged in parallel, and the main accommodating cavity is formed between the two second side plates.

Further, the outer side surface spacing of the two first side plates is smaller than the inner side surface spacing of the two second side plates; the inner side surface distance of the two first side plates is larger than the corresponding width of the third rod body.

Further, the armrest fixing part is provided with a fixing clamping groove, and the free end of the third rod body is provided with a fixing end head which can be matched with the fixing clamping groove.

Further, the fixed end head and the armrest fixing part can be in magnetic connection through a magnetic attraction piece.

Further, the fixed end head and the second rod body can be in magnetic connection through a magnetic attraction piece.

Further, the fixed end is provided with a rubber sleeve which can be matched with the fixed clamping groove.

Further, the outer side surface of the rubber sleeve forms a wave structure. The outer side surface of the rubber sleeve can form a more stable abutting fit with the inner wall of the fixing clamping groove after being provided with the wave structure, the inner wall of the fixing clamping groove can be a smooth straight surface, the protruding part of the wave structure is clamped in and then is extruded to generate elastic deformation, so that the protruding part is abutted with the inner wall of the fixing clamping groove, the fixing end is fixed in the fixing clamping groove, in some other embodiments, the inner wall of the fixing clamping groove can also be a corresponding wave-shaped structure, the wave-shaped concave part at the upper end of the inner wall is matched with the wave-shaped protruding part of the rubber sleeve, the firmness is further improved, and the concave-convex matching structure is easy to form due to easy deformation of rubber.

In summary, the following beneficial effects can be obtained by applying the scheme of the utility model:

1. the movable armrest assembly is arranged, the rod bodies of the armrest assembly can be rotated to form a folding storage state, so that the occupied space of the armrest assembly is reduced, specifically, the third rod body is rotated to be close to the second rod body, then the second rod body and the third rod body are rotated to be close to the first rod body, a single rod structure formed by the first rod body, the second rod body and the third rod body is formed, then the free end of the single rod structure is lapped on the armrest fixing part, the armrest assembly can be folded, the single rod structure formed by the armrest assembly is basically flush with a chair seat, and is not easy to be abutted with an office chair.

2. In some embodiments of the utility model, the main accommodating cavity and the auxiliary accommodating cavity can be further arranged to form an accommodating structure between the rod bodies, so that the size of the folded and accommodated handrail component is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of an office chair with adjustable armrests in one embodiment;

FIG. 2 is a schematic view of the armrest assembly of FIG. 1;

in the figure, the 1-armrest assembly, the 2-cushion member, the 3-support member, the 4-backrest, the 11-first rod, the 12-second rod, the 13-third rod, the 111-first side plate, the 112-auxiliary accommodating chamber, the 121-second side plate, the 122-main accommodating chamber, the 131-fixing end, the 21-armrest connecting part and the 22-armrest fixing part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Fig. 1 provides an embodiment of the present utility model, in which an office chair includes a support member 3 forming chair legs, a cushion member 2 provided above the support member, and a backrest 4 provided at a rear end of the cushion member, and a armrest assembly 1 is provided on each of left and right sides of the cushion member, the support member includes a support rod and a pulley assembly provided below the support rod, a mounting base is connected above the support rod, and the cushion member is composed of the mounting base and a cushion body fixed above the mounting base. The mounting base is formed with handrail connecting portion and handrail fixed part at the side of office chair, handrail connecting portion sets up in the position that the cushion part is close to the rear end, handrail fixed part sets up in the position that the cushion part is close to the front end, and handrail connecting portion and handrail fixed part all form protruding structure to the side with the cushion body. The handrail component comprises a first rod body 11, a second rod body 12 and a third rod body 13 which are sequentially connected through end parts, wherein one end of the first rod body far away from the second rod body is movably connected with a handrail connecting part through a rotating shaft, so that the first rod body can rotate based on the handrail connecting part; the end, far away from the second rod body, of the third rod body can be detachably connected with the handrail fixing part, so that the handrail component is fixed; the two ends of the second rod body are respectively connected with the first rod body and the third rod body to form a rotating shaft, and the second rod body is used as a panel component for supporting the arm of a user during use. As shown in fig. 2, the first rod body includes a first side plate 111a and a first side plate 111b that are arranged in parallel, and a secondary accommodating cavity 112 is formed between the two first side plates, in this embodiment, the third rod body is in a cylindrical structure, and the width of the secondary accommodating cavity (i.e. the distance between the inner side surfaces of the two first side plates) is set to be slightly larger than the diameter of the third rod body, so that the third rod body can be placed in the secondary accommodating cavity in some use states; the second rod body includes a second side plate 121a and a second side plate 121b that are arranged in parallel, a main accommodating cavity 122 is formed between the two second side plates, in the state shown in fig. 1, the main accommodating cavity is formed at the lower side of the second rod body, the upper side of the second rod body is used for placing the arm of a user, in a specific implementation process, an armrest decoration plate can be further installed at the upper side of the second rod body, and according to the needs of the user, the armrest decoration plate can provide different functions, for example, in some implementations, the armrest decoration plate can be provided with a width larger than that of the second rod body, so as to provide a better supporting effect for the arm, in other implementations, the armrest decoration plate can be provided with a flexible cushion layer, so as to improve the comfort of the user when the arm is placed; the free end (i.e. the end far away from the second rod body) of the third rod body is formed with a fixed end, as shown in fig. 2, in this embodiment, the fixed end is provided with a rubber sleeve, and the periphery of the rubber sleeve forms a wave structure, when the armrest assembly is in the state shown in fig. 1, the fixed end is inserted into a fixed clamping groove formed on the armrest fixing portion, so that a detachable fixed connection is formed between the third rod body and the armrest fixing portion, in some other embodiments, the fixed end can also form a magnetic connection with the armrest fixing piece, i.e. a magnetic piece is arranged in the fixed end and/or the fixed clamping groove, when the fixed end is clamped into the fixed clamping groove, the magnetic piece can form a more stable connection with the armrest fixing portion, preferably, the magnetic piece is arranged at the fixed end, so that the fixed end can form a magnetic connection with the armrest fixing portion, and also form a magnetic connection with the second rod body after the rotation and folding. In order to simplify the operation during use, in some embodiments, a limiting structure can be further arranged at the connection position of the first rod body and the second rod body and the connection position of the second rod body and the third rod body, so that the maximum movable included angle between the first rod body and the second rod body and the maximum movable included angle between the second rod body and the third rod body correspond to the structure shown in fig. 1, and an operator can fix the third rod body and the handrail fixing part only by adjusting the position of the maximum movable included angle between the rod bodies without controlling the size of the included angle; in other embodiments, the hinge connection between the rods may further include a torsion spring structure, where the torsion spring maintains a balanced state when the adjacent rods are in a folded state, and generates a resilient force when the adjacent rods are unfolded to form an included angle, so as to accommodate the armrest assembly.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an office chair of adjustable handrail, includes supporting part and cushion part, cushion part left and right sides all is provided with handrail subassembly, its characterized in that: the handrail component comprises a first rod body, a second rod body and a third rod body which are connected in sequence through end parts, and rotary shaft connection is formed between the first rod body and the second rod body and between the second rod body and the third rod body; the side edge of the cushion part is provided with an armrest connecting part close to the rear end, and one end of the first rod body far away from the second rod body is connected with the armrest connecting part to form a rotating shaft; the side of the cushion part is provided with a handrail fixing part near the front end, and the handrail fixing part can be detachably connected with the free end of the third rod body.

2. An adjustable armrest office chair according to claim 1, wherein: the second rod body is provided with a main accommodating cavity, and the third rod body can rotate and is accommodated in the main accommodating cavity; the first rod body is provided with an auxiliary accommodating cavity, and the first rod body can be rotated and accommodated in the main accommodating cavity, and the auxiliary accommodating cavity accommodates the third rod body.

3. An adjustable armrest office chair according to claim 2, wherein: the second rod body comprises a corner portion and a main body portion, the corner portion is arranged at one end of the main body portion and forms a right-angle corner with the main body portion, and the second rod body is connected with the first rod body through the corner portion.

4. An adjustable armrest office chair according to claim 2, wherein: the first rod body comprises two first side plates which are arranged in parallel, and the auxiliary accommodating cavity is formed between the two first side plates.

5. An adjustable armrest office chair according to claim 4, wherein: the second rod body comprises two second side plates which are arranged in parallel, and the main accommodating cavity is formed between the two second side plates.

6. An adjustable armrest office chair according to claim 5, wherein: the outer side surface spacing of the two first side plates is smaller than the inner side surface spacing of the two second side plates; the inner side surface distance of the two first side plates is larger than the corresponding width of the third rod body.

7. An adjustable armrest office chair according to claim 1, wherein: the handrail fixing part is provided with a fixing clamping groove, and the free end of the third rod body is provided with a fixing end head which can be matched with the fixing clamping groove.

8. An adjustable armrest office chair according to claim 7, wherein: the fixed end head and the armrest fixing part can form magnetic attraction connection through the magnetic attraction piece.

9. An adjustable armrest office chair according to claim 7, wherein: the fixed end head and the second rod body can be in magnetic connection through a magnetic attraction piece.

10. An adjustable armrest office chair according to claim 7, wherein: the fixing end is provided with a rubber sleeve which can be matched with the fixing clamping groove, and the outer side surface of the rubber sleeve forms a wave structure.