CN221083173U

CN221083173U - Office chair

Info

Publication number: CN221083173U
Application number: CN202322866626.8U
Authority: CN
Inventors: 陈波
Original assignee: Anji Yongbo Furniture Co ltd
Current assignee: Anji Yongbo Furniture Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-06-07
Anticipated expiration: 2033-10-25

Abstract

The utility model relates to the technical field of office chairs, in particular to an office chair, which comprises: the chair comprises a chair back, a chair seat and supporting legs, wherein the tail end of the chair back is connected with the top end of the chair seat through a connecting piece, the chair back rotates and folds towards the side of the chair seat around the connecting piece, armrests are arranged on two sides of the office chair, two ends of each armrest are connected to the chair back and the chair seat, the unfolded chair back is further supported, the supporting legs comprise connecting blocks and a plurality of chair legs, the connecting blocks extend outwards from the center and are provided with a plurality of connecting rods, the connecting rods are sleeved with the chair legs, and the connecting rods are connected with the chair legs in one-to-one correspondence through bolts.

Description

Office chair

Technical Field

The utility model relates to the technical field of office chairs, in particular to an office chair.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities. Office chairs are classified into a narrow sense and a broad sense by office partners, wherein the narrow sense office chair refers to a cushion chair on which a person sits when performing a desk work in a sitting posture, and the broad sense office chair refers to all chairs used in offices.

The office chairs in the market are generally composed of a plurality of parts, wherein the chair back and the chair seat are generally integrally formed and are difficult to separate or fold, so that a large space is often occupied in the transportation process, and the transportation cost and difficulty are increased. The common folding chair is often composed of a relatively simple structure, and has the problems of first safety and poor comfort.

Therefore, there is a need for an office chair that is convenient to transport and that can ensure user comfort and safety.

Disclosure of utility model

According to the office chair, the chair back and the chair seat are hinged, the chair back is rotated and folded to one side of the chair seat to form the foldable and contained chair, the chair seat back which is unfolded can be supported through handrails arranged at two sides of the office chair, and the chair legs and the connecting piece are connected through bolts, so that large parts in the office chair can be detached, and the office chair is convenient to detach, install, package and contain, so that the transportation cost is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An office chair comprising:

chair back, chair seat and supporting feet;

The tail end of the chair back is connected with the top end of the chair seat through a connecting piece, and the chair back rotates around the connecting piece to fold towards the side of the chair seat;

The supporting legs comprise connecting blocks and a plurality of chair legs;

the connecting block outwards extends from the center and sets up a plurality of connecting rods, the connecting rod with chair foot cover closes the setting, the connecting rod with chair foot one-to-one is connected.

As an improvement, the two ends of the chair back, the chair seat and the armrests are connected through bolts.

As an improvement, the two sides of the chair back are provided with mounting positioning blocks for fixing armrests, one ends of the armrests are connected with the mounting positioning blocks, the two sides of the chair seat are provided with mounting holes, and the other ends of the armrests are connected with the mounting holes.

As an improvement, the chair back comprises a chair back frame and a backrest, wherein the chair back frame is arranged around the backrest, and the tail end of the chair back frame is provided with a connector in a protruding manner;

The seat comprises a seat frame and a seat cushion, wherein the seat frame is arranged around the seat cushion, and a connecting groove is formed in the top end of the seat frame;

The connecting heads and the connecting grooves are arranged in an interpenetration mode, and the connecting pieces are interpenetrated on the connecting heads and the connecting grooves and are connected with the chair back frame and the chair seat frame.

As an improvement, the supporting leg further comprises a supporting frame and a lifting element;

The support frame is arranged below the chair seat, the support frame is connected with the chair seat through bolts, and the support frame is connected with one end of the lifting element;

the lifting element is vertically arranged, and the other end of the lifting element is sleeved on the connecting block.

As an improvement, the supporting frame comprises a bracket, an adjusting rod for adjusting the height of the seat and an adjusting device for adjusting the back elevation angle of the seat.

As an improvement, the connecting block is sleeved with an outer cover which is attached to the chair legs, and the tail ends of the chair legs are connected with sliding wheels.

As an improvement, the surfaces of the chair back and the chair seat are paved with foldable fabrics.

As an improvement, the back of the chair back is provided with a handle.

The utility model has the beneficial effects that:

(1) According to the folding chair, the chair back is hinged with the chair seat, so that the chair back can be rotated and folded to one side of the chair seat to form a folding and accommodating seat, the opened chair seat back can be further supported through the armrests arranged at two sides of the office chair, and the chair legs are connected with the connecting piece through the bolts, so that the large parts in the office chair can be detached, packaging and accommodating are convenient, and the transportation cost is reduced;

(2) According to the utility model, when the chair is unfolded, the connection part of the chair seat and the chair back is mutually matched, the cut angles at the two sides of the tail end of the chair back are right angles, and when the chair is folded, the cut angles at the two sides are abutted against the connection end of the chair seat, so that the folding angle is limited, the connection part is prevented from being damaged or deformed due to excessive folding, and the safety of the office chair is improved;

(3) According to the office chair, the bolts are used for fixing all parts, so that the structural stability and firmness of the office chair can be ensured, and the loosening or falling-off condition in the use process is avoided. Simultaneously, use the bolt also can make things convenient for the user to install and dismantle the operation for the use of office chair is more nimble.

In conclusion, the utility model has the advantages of convenient transportation, good comfort level, high safety and the like, and is particularly suitable for the technical field of office chairs.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a folding structure according to an embodiment of the utility model;

FIG. 3 is a partially enlarged folded structure of the embodiment of the utility model;

FIG. 4 is a schematic view of a partial structure of a supporting leg according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a connection block and chair leg connection structure according to an embodiment of the present utility model;

FIG. 6 is a second schematic view of a connection block and chair leg connection structure according to the embodiment of the present utility model;

FIG. 7 is a schematic diagram of a second perspective structure of an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a folded structure according to an embodiment of the present utility model;

fig. 9 is a schematic diagram of a connection structure between a detachable cushion and a backrest according to a second embodiment of the present utility model.

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 understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1:

as shown in fig. 1 and 6, an office chair comprises:

a chair back 1, a chair seat 2 and supporting legs 3;

The tail end of the chair back 1 is connected with the top end of the chair seat 2 through a connecting piece 11, the chair back 1 rotates around the connecting piece 11 to fold towards the side of the chair seat 2, and the connecting piece 11 is preferably a bolt;

the supporting legs 3 comprise connecting blocks 31 and a plurality of chair legs 32;

The connecting block 31 extends outward from the center and sets up a plurality of connecting rods 311, connecting rod 311 with chair foot 32 registrates the setting, connecting rod 311 with chair foot 32 one-to-one is connected to, can dismantle fast between connecting rod 311 and the chair foot 32, when packing the transportation, dismantle chair foot 32, and fold back of the chair 1 after, the volume of reduction office chair that just can be great.

Further, both ends of the backrest 1, the seat 2 and the armrests 12 are connected by bolts.

Specifically, the two sides of the chair back 1 are provided with mounting positioning blocks 13 for fixing armrests 12, one end of each armrest 12 is connected with each mounting positioning block 13, two sides of the chair seat 2 are provided with mounting holes 21, the other end of each armrest 12 is connected with each mounting hole 21, and bolts are connected with the corresponding mounting positioning blocks 13 and the corresponding mounting holes 21 through threads.

In addition, the backrest 1 comprises a backrest frame 14 and a backrest 15, the backrest frame 14 is arranged around the backrest 15, the tail end of the backrest frame 14 is provided with a connector 141 in a protruding way, wherein the backrest frame 14 is made of a rigid material, the backrest 15 is made of a flexible material, and the connector 141 is provided with a through hole for the connecting piece 11 to pass through;

The seat 2 comprises a seat frame 22 and a seat cushion 23, the seat frame 22 is arranged around the seat cushion 23, a connecting groove 221 is arranged at the top end of the seat frame 22, wherein the seat frame 22 is made of rigid material, the seat cushion 23 is made of flexible material, and a through hole for the connecting piece 11 to pass through is also arranged on the connecting groove 221;

The connecting head 141 and the connecting groove 221 are inserted into each other, the connecting piece 11 is sequentially inserted into the through holes of the connecting head 141 and the connecting groove 221, the backrest frame 14 and the seat frame 22 are connected, and specifically, the through holes are not provided with threads matched with the connecting piece 11, so that the backrest 1 can rotate and move relative to the seat 2, and after the connecting piece 11 arranged by the bolts is inserted into the through holes, the other end of the connecting piece 11 is locked with a nut.

And, the surface of the flexible material of the back 1 and the seat 2 is paved with a foldable fabric, and the fabric is preferably a leather fabric.

As a preferred embodiment, the supporting leg 3 further includes a supporting frame 33 and a lifting element 34;

The support frame 33 is arranged below the seat 2, the support frame 33 is connected with the seat 2 through bolts, and the support frame 33 is connected with one end of the lifting element 34;

The lifting element 34 is vertically disposed, the other end of the lifting element 34 is sleeved on the connecting block 31, and the lifting element 34 is preferably a pneumatic telescopic rod, and the structure is a mature structure of the office chair, so that details thereof will not be repeated here.

Preferably, the support frame 33 includes a bracket 331, an adjusting rod 332 for adjusting the height of the seat 2, and an adjusting device 333 for adjusting the back elevation angle of the seat 2, and the structures of the adjusting rod 332 and the adjusting device 333 are already mature and applied to the office chair, so that detailed description thereof is omitted herein.

The connecting block 31 is externally provided with a cover 312 attached to the chair leg 32, and the end of the chair leg 32 is connected with a sliding wheel 321.

Further, the back of the chair back 1 is provided with a handle 16, and the handle 16 is connected with the chair back 1 through bolts.

The working process comprises the following steps: during assembly, the chair back 1 is rotated to the other side, two ends of the armrests 12 are mounted at corresponding positions on the chair back 1 and the chair seat 2, the connecting block 31 is connected with the chair legs 32, the outer cover 312 is sleeved outside the connecting block 31, the chair seat 2, the support frame 33, the lifting element 34 and the connecting block 31 are sequentially connected, the sliding wheels 321 are mounted on the chair legs 32, when the chair is stored, the armrests 12 on two sides of the chair are detached, the chair back 1 is rotated to one side of the chair seat 2, the chair is folded, and then other components are detached.

Example 2:

This embodiment is a modified illustration based on embodiment 1, and in particular, please refer to fig. 7-9, wherein: for office chairs with high backs, the length of the chair back 1 exceeds the length of the chair seat 2, so that the chair back 1 exceeds the chair seat 2 by one section when the office chair is folded, the back cushion 17 is arranged on the chair back 1, the height of the chair back 1 can be increased on one hand, the office chair can be more attached to the back part, on the other hand, when the office chair is folded, the back cushion 17 can be disassembled, the office chair starts to be folded from the back cushion 17, the length of the chair back 1 is ensured to be matched with the length of the chair seat 2,

In addition, the cushion 24 is added on the seat 2, so that the comfort of a user is improved, and the repeatedly sticky connecting part 18 is arranged between the back cushion 17 and the backrest 15, so that the office chair is convenient to detach and folding of the office chair is not influenced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An office chair, comprising:

A chair back (1), a chair seat (2) and supporting legs (3);

The tail end of the chair back (1) is connected with the top end of the chair seat (2) through a connecting piece (11), and the chair back (1) rotates around the connecting piece (11) to fold towards the side of the chair seat (2);

The chair comprises a chair back (1), a chair seat (2) and armrests (12), wherein both ends of the chair back (1) and the chair seat (2) are connected through bolts, mounting positioning blocks (13) for fixing the armrests (12) are arranged on both sides of the chair back (1), one end of each armrest (12) is connected with each mounting positioning block (13), mounting holes (21) are formed in both sides of the chair seat (2), and the other ends of the armrests (12) are connected with the corresponding mounting holes (21);

the supporting legs (3) comprise connecting blocks (31) and a plurality of chair legs (32);

The connecting blocks (31) are provided with a plurality of connecting rods (311) extending outwards from the center, the connecting rods (311) are sleeved with the chair legs (32), and the connecting rods (311) are connected with the chair legs (32) in one-to-one correspondence.

2. An office chair according to claim 1, wherein:

The chair back (1) comprises a chair back frame (14) and a backrest (15), wherein the chair back frame (14) is arranged around the backrest (15), and a connector (141) is arranged at the tail end of the chair back frame (14) in a protruding manner;

the seat (2) comprises a seat frame (22) and a seat cushion (23), wherein the seat frame (22) is arranged around the seat cushion (23), and a connecting groove (221) is formed in the top end of the seat frame (22);

The connecting heads (141) and the connecting grooves (221) are arranged in an interpenetration mode, and the connecting pieces (11) are interpenetrated on the connecting heads (141) and the connecting grooves (221) and are connected with the chair back frame (14) and the chair seat frame (22).

3. An office chair according to claim 1, wherein:

the supporting leg (3) further comprises a supporting frame (33) and a lifting element (34);

The support frame (33) is arranged below the seat (2), the support frame (33) is connected with the seat (2) through bolts, and the support frame (33) is connected with one end of the lifting element (34);

The lifting element (34) is vertically arranged, and the other end of the lifting element (34) is sleeved on the connecting block (31).

4. An office chair according to claim 3, wherein:

The support frame (33) comprises a support (331), an adjusting rod (332) for adjusting the height of the seat (2) and an adjusting device (333) for adjusting the back elevation angle of the seat (2).

5. An office chair according to claim 1, wherein:

An outer cover (312) attached to the chair leg (32) is sleeved outside the connecting block (31), and the tail end of the chair leg (32) is connected with a sliding wheel (321).

6. An office chair according to claim 1, wherein:

The foldable fabric is paved on the surface of the chair back (1) and the surface of the chair seat (2).

7. An office chair according to claim 1, wherein:

the back of the chair back 1 is provided with a handle (16).