CN220157915U

CN220157915U - Office chair convenient for lying and rest

Info

Publication number: CN220157915U
Application number: CN202321176185.2U
Authority: CN
Inventors: 金旭艳; 王雷军; 徐凌晨
Original assignee: Zhejiang Linfeng Chair Industry Co ltd
Current assignee: Zhejiang Linfeng Chair Industry Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-12-12
Anticipated expiration: 2033-05-16

Abstract

The utility model relates to the technical field of office equipment, in particular to an office chair convenient for lying and rest, which comprises a seat cushion, wherein a seat backrest and a supporting handrail are arranged above the seat cushion, a supporting component is arranged below the seat cushion, and the office chair further comprises: a rotation assembly that rotates the seat back through a range of ninety degrees on the seat cushion from a direction perpendicular to the seat cushion to a direction parallel to the seat cushion; and an elastic member that stabilizes the seat back in a relatively stationary state after rotation. According to the utility model, the rotating component and the elastic element are arranged, so that a user can adjust the seat back to a proper angle for lying and rest without shaking.

Description

Office chair convenient for lying and rest

Technical Field

The utility model relates to the technical field of office equipment, in particular to an office chair convenient for lying and rest.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities. Office chairs are divided into a narrow sense and a broad sense by office partners, wherein the narrow sense office chair refers to a backrest chair for a person to sit on when doing a tabletop work in a sitting posture state, and the broad sense office chair refers to all chairs used in offices, including office chairs, middle office chairs, guest chairs, staff chairs, conference chairs, visitor chairs, training chairs and the like. In the use of narrow office chairs, users are prone to fatigue after sitting for a long time and sometimes need to lie down, but in adjustable office chairs, adjusting to a proper angle is not easy or unstable after adjustment, and users cannot get comfortable experience. In view of this, we propose an office chair that facilitates lying down.

Disclosure of Invention

In order to make up for the defects, the utility model provides an office chair convenient for lying and rest.

The technical scheme of the utility model is as follows:

the utility model provides an office chair convenient to lie and rest, includes the seat cushion, the seat cushion top is equipped with seat back and supporting arm rest, and the below is equipped with supporting component, still includes:

a rotation assembly that rotates the seat back through a range of ninety degrees on the seat cushion from a direction perpendicular to the seat cushion to a direction parallel to the seat cushion;

and an elastic member that stabilizes the seat back in a relatively stationary state after rotation.

Preferably, the rotating assembly comprises a rotating sleeve and a transverse shaft, and a plurality of rotating sleeves are sleeved on the transverse shaft.

Preferably, the rotating assembly further comprises a U-shaped supporting plate, one end of the transverse shaft penetrates through the U-shaped supporting plate and is connected with a connecting shaft, a handle is arranged on the connecting shaft and used for rotating the transverse shaft to drive the rotating sleeve to rotate downwards.

Preferably, one end of the rotating sleeve, which is far away from the transverse shaft, is provided with an inclined plate, and an angle between the inclined plate and the rotating sleeve is an acute angle.

Preferably, the swash plate is located between the seat back and the rotating sleeve in a tilted state.

Preferably, the elastic element is located between the U-shaped support plate and the rotating sleeve.

Preferably, the resilient element comprises a connecting post and a first spring, the connecting post and the first spring being displaced by interaction of forces.

Preferably, the elastic element further comprises a limiting ring and a fixing column, a placing groove is formed in the fixing column, and the limiting ring limits the first spring to be separated from the placing groove.

Preferably, a second spring and a limiting plate are arranged on one side of the handle, a bolt is arranged at one end of the handle, a circle of round holes are formed in one side, close to the handle, of the U-shaped supporting plate, and the diameter of each round hole is equal to that of the bolt.

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

1, through the arrangement of the rotating assembly, the seat back is gradually changed into a state of forming an obtuse angle with the seat cushion from a state of forming ninety degrees with the seat cushion from the beginning, a user lies on the seat back and moves downwards together with the seat back, and when the user adjusts the seat back to a proper angle, the user stops rotating the handle, so that lying rest can be obtained on the office chair;

the elastic element is arranged, so that the backrest of the chair can be stably used for a user to rest after rotating to a certain angle, and the backrest of the chair cannot shake.

Drawings

FIG. 1 is a schematic diagram of the whole structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of a rotating assembly according to one embodiment of the present utility model;

FIG. 4 is a schematic diagram of a rotating assembly according to the second embodiment of the present utility model;

fig. 5 is a schematic structural view of an elastic element according to the present utility model.

In the figure: 1. a seat cushion; 2. a seat back; 3. a support plate; 4. a support handrail; 5. a support column; 6. a support rod; 7. a gravity wheel; 8. a headrest; 9. a rotating assembly; 91. a sloping plate; 92. a rotating sleeve; 93. a U-shaped supporting plate; 94. a horizontal axis; 941. a connecting shaft; 95. an elastic element; 951. a connecting column; 952. a limiting ring; 953. a first spring; 954. fixing the column; 96. a handle; 97. a second spring; 98. a limiting plate; 99. a plug pin; 991. and a round hole.

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.

Referring to fig. 1-5, the present utility model is described in detail by the following embodiments:

the utility model provides an office chair convenient to lie and rest, includes seat cushion 1, and seat cushion 1 top is equipped with seat back 2 and support handrail 4, and the below is equipped with supporting component, and supporting component is backup pad 3, support column 5, bracing piece 6, gravity wheel 7 and headrest 8, still includes:

in the embodiment, the seat cushion 1 and the seat back 2 are movably connected in a hinge connection manner.

A rotation assembly 9, the rotation assembly 9 rotates the seat back 2 through a range of ninety degrees on the seat cushion 1, the seat back 2 from a direction perpendicular to the seat cushion 1 to a direction parallel to the seat cushion 1. The rotating assembly 9 includes a rotating sleeve 92 and a transverse shaft 94, the transverse shaft 94 having a plurality of rotating sleeves 92 sleeved thereon. The rotator cuff 92 is in close contact with the lateral shaft 94, and the lateral shaft 94 passes through the rotator cuff 92. The rotating assembly 9 further comprises a U-shaped supporting plate 93, one end of a transverse shaft 94 penetrates through the U-shaped supporting plate 93 and is connected with a connecting shaft 941, the transverse shaft 94 is fixedly connected with the connecting shaft 941, a handle 96 is arranged on the connecting shaft 941, and the handle 96 is used for rotating the transverse shaft 94 to drive the rotating sleeve 92 to rotate downwards. The handle 96 is fixedly connected with the transverse shaft 94, one end of the transverse shaft 94 penetrates through the U-shaped supporting plate 93 and is in sliding connection with the U-shaped supporting plate 93, a bearing is arranged at the other end of the transverse shaft 94, an inner ring of the bearing is fixedly connected with the transverse shaft 94, and an outer ring of the bearing is fixedly connected with the U-shaped supporting plate 93, so that when the transverse shaft 94 rotates, the U-shaped supporting plate 93 is still fixed on one side of the transverse shaft 94. The upper end of the U-shaped supporting plate 93 is fixedly connected with the bottom of the seat cushion 1. The end of the rotating sleeve 92 away from the transverse shaft 94 is provided with a sloping plate 91, and the angle between the sloping plate 91 and the rotating sleeve 92 is an acute angle. The upper end of the sloping plate 91 is fixedly connected with the seat back 2, and the lower end is fixedly connected with the rotating sleeve 92. The plurality of swash plates 91 are uniformly distributed on the seat back 2. The swash plate 91 is located between the seat back 2 and the swivel case 92 in an inclined state.

One side of the handle 96 is provided with a second spring 97 and a limiting plate 98, one end of the handle 96 is provided with a bolt 99, one side of the U-shaped supporting plate 93 close to the handle 96 is provided with a circle of round holes 991, and the diameter of the round holes 991 is equal to that of the bolts 99. The connecting shaft 941 passes through the center of the handle 96 and is fixedly connected with the limiting plate 98, the handle 96 is contacted with the connecting shaft 941 but is not connected, the handle 96 moves horizontally on the connecting shaft 941, one end of the second spring 97 is fixedly connected with the handle 96, the other end of the second spring 97 is fixedly connected with the limiting plate 98, the second spring 97 surrounds the connecting shaft 941, the bolt 99 is fixedly connected with one end of the handle 96, and the bolt 99 can be inserted into the round hole 991.

It should be noted that the cross section of the connecting shaft 941 is square, so that not only can the free movement of the handle 96 on the connecting shaft 941 be realized, but also the rotation of the connecting shaft 941 can be driven when the handle 96 is rotated.

The elastic member 95, the elastic member 95 stabilizes the seat back 2 in a relatively stationary state after rotation. The elastic member 95 is located between the U-shaped support plate 93 and the rotating sleeve 92. The elastic element 95 comprises a connection post 951 and a first spring 953, the connection post 951 and the first spring 953 being displaced due to the interaction of forces. The elastic element 95 further comprises a limiting ring 952 and a fixing column 954, the fixing column 954 is fixedly connected to the upper end of the U-shaped supporting plate 93, a placing groove is formed in the fixing column 954, and the limiting ring 952 limits the first spring 953 to be separated from the placing groove. The upper end of the first spring 953 is fixedly connected with the connecting column 951, and the other end is fixedly connected with the bottom of the placing groove. The limiting ring 952 is placed at the notch of the placement groove, and the inner ring diameter of the limiting ring 952 is smaller than the width of the first spring 953, so that the first spring 953 moves up and down in the placement groove and cannot be separated from the notch of the placement groove. The diameter of the connection post 951 is slightly smaller than the diameter of the inner ring of the stop collar 952 so that the connection post 951 moves within and into the placement groove. The rotating sleeve 92 is in contact with the connecting column 951, the rotating sleeve 92 is not connected with the connecting column 951, and the rotating sleeve 92 is extruded at the upper end of the connecting column 951 when rotating.

When the office chair is used, a user sits on the seat cushion 1, the back leans against the seat back 2, the head leans against the headrest 8, when the user uses the office chair to lie down for rest, the right hand rotates the handle 96 clockwise, before rotating the handle 96, the handle 96 moves towards the limiting plate 98, the second spring 97 is extruded, the rotation of the transverse shaft 94 drives the rotation of the rotating sleeve 92, the rotating sleeve 92 rotates, the inclined plate 91 rotates clockwise, the transverse shaft 94, the rotating sleeve 92 and the inclined plate 91 rotate within the range of ninety degrees, at the moment, the seat back 2 rotates downwards, the seat back 2 slowly changes into the state of being at an obtuse angle with the seat cushion 1 from the state of being at first, the user lies on the seat back 2 and moves downwards together with the seat back 2, when the user adjusts the seat back 2 to a proper angle, the rotating handle 96 is stopped, the latch 96 moves away from the limiting plate 98 again, the latch 99 is inserted into the handle 991, the second spring 97 generates pressure on the seat back, and the handle 96 does not independently rotate, and the office chair can not independently rotate 96 any more. At this time, the first spring 953 in the elastic element 95 is deformed due to the fact that the gravity of the user is extruded by the seat back 2 and is extruded by the connecting post 951, the connecting post 951 is supported, stability of the seat back 2 of the office chair in tilting is enhanced, and the seat back 2 is ensured to be stably laid by the user after rotating to a certain angle, and shaking cannot occur.

After the user lies and is rest, when the user rises up from the seat back 2, the handle 96 is moved, the latch 99 leaves the round hole 991, the handle 96 is rotated anticlockwise, the self gravity of the user is lost, the first spring 953 is deformed in a recovery mode, the seat back 2 is restored to a position which is ninety degrees with the seat cushion 1, and the latch 99 is inserted into the appropriate round hole 991 to fix the seat back 2, so that the user can normally use the office chair.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an office chair convenient to lie and rest, includes seat cushion (1), seat cushion (1) top is equipped with seat back (2) and supporting arm rest (4), and the below is equipped with supporting component, its characterized in that still includes:

a rotation assembly (9), the rotation assembly (9) rotates the seat back (2) within ninety degrees on the seat cushion (1), the seat back (2) rotating from a direction perpendicular to the seat cushion (1) to a direction parallel to the seat cushion (1);

-an elastic element (95), said elastic element (95) allowing the seat back (2) to be stably in a relatively stationary state after rotation.

2. The office chair for facilitating lying and rest of claim 1, wherein: the rotating assembly (9) comprises a rotating sleeve (92) and a transverse shaft (94), and a plurality of rotating sleeves (92) are sleeved on the transverse shaft (94).

3. The office chair for facilitating lying and rest of claim 2, wherein: the rotating assembly (9) further comprises a U-shaped supporting plate (93), one end of the transverse shaft (94) penetrates through the U-shaped supporting plate (93) and is connected with a connecting shaft (941), a handle (96) is arranged on the connecting shaft (941), and the handle (96) is used for rotating the transverse shaft (94) to drive the rotating sleeve (92) to rotate downwards.

4. The office chair for facilitating lying and rest of claim 2, wherein: one end of the rotating sleeve (92) far away from the transverse shaft (94) is provided with a sloping plate (91), and an angle between the sloping plate (91) and the rotating sleeve (92) is an acute angle.

5. The office chair for facilitating lying and rest of claim 4, wherein: the swash plate (91) is located between the seat back (2) and the rotating sleeve (92) in an inclined state.

6. An office chair for facilitating a lying rest as claimed in claim 3 wherein: the elastic element (95) is located between the U-shaped support plate (93) and the rotating sleeve (92).

7. The office chair for facilitating lying and rest of claim 1, wherein: the resilient element (95) comprises a connecting post (951) and a first spring (953), the connecting post (951) and the first spring (953) being displaced by interaction of forces.

8. The office chair for facilitating lying and rest of claim 7, wherein: the elastic element (95) further comprises a limiting ring (952) and a fixing column (954), a placing groove is formed in the fixing column (954), and the limiting ring (952) limits the first spring (953) to be separated from the placing groove.

9. An office chair for facilitating a lying rest as claimed in claim 3 wherein: one side of handle (96) is equipped with second spring (97) and limiting plate (98), handle (96) one end is equipped with bolt (99), U type backup pad (93) are close to one side of handle (96) is equipped with round hole (991), the diameter of round hole (991) with the diameter of bolt (99) equals.