CN119073750A - Seats - Google Patents

Abstract

The invention discloses a seat which comprises a base assembly, a backboard and a head support assembly, wherein the base assembly comprises a seat basin and a bottom plate, the seat basin is connected with the bottom plate and can move relatively, the bottom plate is provided with a first bottom plate pivoting part, one end of the backboard is connected with the first bottom plate pivoting part, the head support assembly is connected with the base assembly, and the seat basin moves relative to the bottom plate to drive the head support assembly to move. According to the seat disclosed by the invention, better comfort and support are provided for users through different components, the requirements of different users are met from the aspect of the ergonomics principle, the seat can be adjusted in the use process to provide the optimal support, the self-adaptive support of the seat on the waist, the back and the head of the users is realized, the comfort and the applicability of the seat are improved, discomfort or fatigue can be effectively relieved, and the personalized requirements of different users are met.

Description

Seat tool

Technical Field

The invention relates to the technical field of seat manufacturing, in particular to a seat.

Background

In the related art, the existing seat structure often adopts a fixed supporting design, and lacks of self-adaptive support for each part of the body of a user, so that discomfort or fatigue possibly occurs after long-time use, the comfort and applicability of the seat are limited because the seat cannot be adjusted according to the body shape and posture of the user, or the seat structure needs to be adjusted by the user, and the personalized requirements of different users on the supporting positions and the supporting forces of each part of the seat cannot be met.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the invention consists in proposing a seating product that can provide better comfort and continuous support for the user.

The seat comprises chair legs, a base assembly, a backrest assembly and a head support assembly, wherein the base assembly is arranged on the upper portion of the chair legs and is connected with the chair legs, the base assembly comprises a seat basin and a bottom plate, the seat basin is connected with the bottom plate and can move relatively, a first bottom plate pivoting portion is formed on the bottom plate, one end of the back plate is connected with the first bottom plate pivoting portion, a waist support assembly is connected with the back plate and the seat basin, the seat basin rotates relative to the bottom plate to drive the waist support assembly to move, the backrest assembly is connected with the back plate and the seat basin, the seat basin rotates relative to the bottom plate to drive the backrest assembly to move, the head support assembly is connected with the base assembly, and the seat basin moves relative to the bottom plate to drive the head support assembly to move.

According to the seat disclosed by the invention, better comfort and continuous support are provided for users through different components, the requirements of different users are met in consideration of the ergonomics principle, the seat can be adjusted in the use process to provide the optimal support, the self-adaptive support of the seat on the waist, the back and the head of the users is realized, the comfort and the applicability of the seat are improved, discomfort or fatigue can be effectively relieved, and the personalized requirements of different users are met.

In some embodiments, the head rest assembly comprises a head rest body and a first head rest connecting rod, wherein two ends of the first head rest connecting rod are respectively and rotatably connected with the head rest body and the bottom plate.

In some embodiments, a first head rest connecting hole is formed on the head rest body, a second head rest connecting hole is formed at the upper end of the first head rest connecting rod, and the head rest body and the first head rest connecting rod penetrate into the first head rest connecting hole and the second head rest connecting hole through a head rest connecting shaft to be rotatably connected.

In some embodiments, a third head support connecting hole is formed at the lower end of the first head support connecting rod, a first bottom plate connecting hole is formed on the bottom plate, the third head support connecting hole and the first bottom plate connecting hole are coaxially arranged, and the first head support connecting rod and the bottom plate penetrate into the third head support connecting hole and the first bottom plate connecting hole through the connecting shaft to be rotatably connected.

In some embodiments, the head rest assembly further comprises a second head rest connecting rod and a third head rest connecting rod, wherein a fourth head rest connecting hole is formed at the front end of the second head rest connecting rod, a fifth head rest connecting hole is formed at the front end of the third head rest connecting rod, the second head rest connecting rod and the seat basin penetrate into the fourth head rest connecting hole and the seat basin connecting hole through a rotating shaft to be rotatably connected, and the third head rest connecting rod and the seat basin penetrate into the fifth head rest connecting hole and the seat basin connecting hole through the rotating shaft to be rotatably connected.

In some embodiments, a sixth head rest connecting hole is formed on the first head rest connecting rod, a seventh head rest connecting hole is formed at the rear end of the second head rest connecting rod, and the first head rest connecting rod and the second head rest connecting rod penetrate into the sixth head rest connecting hole and the seventh head rest connecting hole through a head rest rotating shaft to be rotatably connected.

In some embodiments, a backboard bottom connecting hole is formed on the backboard, an eighth head support connecting hole is formed at the rear end of the third head support connecting rod, and the third head support connecting rod and the backboard penetrate into the backboard bottom connecting hole and the eighth head support connecting hole through a head back connecting shaft to be rotatably connected.

In some embodiments, the base assembly further comprises a first base link and a second base link, wherein two ends of the first base link are respectively rotatably connected with the bowl and the base plate, and two ends of the second base link are respectively rotatably connected with the bowl and the base plate.

In some embodiments, the waist support assembly comprises a waist support body, a first waist support connecting rod, and a second waist support connecting rod, wherein two ends of the first waist support connecting rod are respectively and rotatably connected with the waist support body and the bottom plate, and two ends of the second waist support connecting rod are respectively and rotatably connected with the waist support body and the back plate.

In some embodiments, the waist support body is formed with a waist support pivot portion, and one end of the first waist support link and one end of the second waist support link are connected to the waist support pivot portion.

In some embodiments, a first waist support connecting hole is formed at the other end of the first waist support connecting rod, a first bottom plate connecting hole is formed on the bottom plate, and the first waist support connecting rod and the bottom plate penetrate into the first waist support connecting hole and the first bottom plate connecting hole through a connecting shaft to be rotatably connected.

In some embodiments, a second waist support connecting hole is formed at the other end of the second waist support connecting rod, a backboard lower connecting hole is formed on the backboard, the backboard lower connecting hole is located at the upper side of the backboard bottom connecting hole, and the second waist support connecting rod and the backboard penetrate into the second waist support connecting hole through a waist back connecting shaft and are rotatably connected with the backboard lower connecting hole.

In some embodiments, the first floor pivot is spaced apart from the first floor connection hole in a front-to-rear direction.

In some embodiments, the lumbar support assembly further comprises a third lumbar support link, one end of the third lumbar support link is rotatably connected to the second lumbar support link, and the other end of the third lumbar support link is rotatably connected to the bottom of the bowl.

In some embodiments, a third waist support connecting hole is formed at the front end of the third waist support connecting rod, a seat basin connecting hole is formed on the seat basin, and the third waist support connecting rod and the seat basin penetrate into the third waist support connecting hole and the seat basin connecting hole through a rotating shaft to be rotatably connected.

In some embodiments, the lumbar support assembly further comprises a lumbar support adjustment member coupled to the lumbar support assembly for adjusting the position of the lumbar support body.

In some embodiments, the backrest assembly includes a backrest body, a first backrest link having one end connected to the backrest body and the other end rotatably connected to the back plate, and a second backrest link having one end connected to the first backrest link and the other end rotatably connected to the bottom plate.

In some embodiments, the first backrest connecting rod comprises a first backrest connecting rod portion and a second backrest connecting rod portion, the first backrest connecting rod portion extends in the up-down direction, the second backrest connecting rod portion extends in the front-back direction, the upper end of the first backrest connecting rod portion is connected with the front end of the second backrest connecting rod portion, the first backrest connecting rod portion is connected with the backrest body, and the second backrest connecting rod portion is provided with a first backrest connecting hole and a second backrest connecting hole which are arranged at intervals.

In some embodiments, the back plate is formed with a back plate upper connecting hole, and the first back connecting rod and the back plate penetrate into the first back connecting hole and the back plate upper connecting hole through a back connecting shaft to be rotatably connected.

In some embodiments, a third backrest connecting hole is formed at one end of the second backrest connecting rod, and the second backrest connecting rod and the first backrest connecting rod are rotatably connected by penetrating the second backrest connecting hole and the third backrest connecting hole through a backrest connecting shaft.

In some embodiments, the base plate is formed with a second base plate connection hole formed on the first base plate pivoting portion, the other end of the second backrest link is formed with a fourth backrest connection hole, and the second backrest link and the base plate are rotatably connected through the second base plate connection hole and the fourth backrest connection hole by a base backrest connection shaft.

In some embodiments, the floor includes two of the second backrest links spaced apart in a left-right direction, and the second backrest links each connect to one of the floor.

In some embodiments, the second backrest connecting rod is formed with a bending part extending forward at both ends, the third backrest connecting hole is formed at the bending part located at the upper side, and the fourth backrest connecting hole is formed at the bending part located at the lower side.

In some embodiments, the backrest assembly further comprises a backrest adjustment member coupled to the backrest assembly for adjusting the backrest body to the reclined position.

In some embodiments, the backrest assembly further comprises a backrest return coupled to the backrest assembly for returning the backrest body to the reclined position.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic view of a seat according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of the seating apparatus shown in fig. 1.

Reference numerals:

100. Seat, 101, chair leg, 102, base assembly, 1021, seat pan, 1022, floor, 1023, first base link, 1024, second base link, 103, back plate, 1031, head support body, 1062, first support link, 1063, head support link, 1064, connecting shaft, 1045, third support link, 105, backrest assembly, 1051, backrest body, 1052, first backrest link, 1053, second backrest link, 1054, backrest connecting shaft, 1055, backrest connecting shaft, 1056, base connecting shaft, 106, head support assembly, 1061, head support body, 1062, first support link, 1063, head support connecting shaft, 1064, connecting shaft, 1065, second head support link, 1066, third head support link, 1067, head support rotating shaft, 107, rotating shaft.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

A seating furniture 100 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1 and 2, a seating apparatus 100 according to an embodiment of the first aspect of the present invention includes a chair leg 101, a base assembly 102, a back plate 103, a lumbar support assembly 104, a backrest assembly 105, and a head support assembly 106.

Specifically, the base assembly 102 is arranged on the upper portion of the chair leg 101 and is connected with the chair leg 101, the base assembly 102 comprises a seat 1021 and a bottom plate 1022, the seat 1021 is connected with the bottom plate 1022 and can move relatively, the bottom plate 1022 is provided with a first bottom plate 1022 pivoting part, one end of the back plate 103 is connected with the first bottom plate 1022 pivoting part, the waist support assembly 104 is connected with the back plate 103 and the seat 1021, the seat 1021 rotates relative to the bottom plate 1022 to drive the waist support assembly 104 to move, the backrest assembly 105 is connected with the back plate 103 and the seat 1021, the seat 1021 rotates relative to the bottom plate 1022 to drive the backrest assembly 105 to move, the head support assembly 106 is connected with the base assembly 102, and the seat 1021 moves relative to the bottom plate 1022 to drive the head support assembly 106 to move.

It will be appreciated that the lumbar support assembly 104 moves with motion as the seat 1021 rotates relative to the base plate 1022 to provide support to the user's lumbar region, the backrest assembly 105 is coupled to the back plate 103 and the seat 1021 to correspondingly adjust the position of the backrest assembly 105 as the seat 1021 moves to ensure good back support even when the user changes sitting position, and the head support assembly 106 is secured to the base assembly 102 to adjust the head support position as the motion of the seat 1021 changes to provide head support to the user, particularly in a relaxed state.

According to the seat 100 provided by the embodiment of the invention, better comfort and support are provided for users through different components, the requirements of different users are met from the aspect of the ergonomics principle, and the seat 100 can be adjusted in the use process to provide the optimal support, so that the seat 100 can support the waist, the back and the head of the users in a self-adaptive manner, the comfort and the applicability of the seat 100 are improved, discomfort or fatigue can be effectively relieved, and the personalized requirements of different users are met.

In some embodiments of the invention, the head rest assembly 106 includes a head rest body 1061 and a first head rest link 1062, both ends of the first head rest link 1062 being rotatably coupled to the head rest body 1061 and the base plate 1022, respectively. That is, one end of the first head rest link 1062 is connected to the head rest body 1061, and the other end of the first head rest link 1062 is rotatably connected to the base plate 1022, whereby the head rest can not only move up and down (e.g., follow when the user leans backward) with the motion of the bowl 1021 relative to the base plate 1022, but also be capable of a range of rotational adjustment independent of other components. Such flexibility is very useful for those who wish to change posture during work or rest. Thus, even if the position of the rest of the seat body is changed, for example, when the seat 1021 rotates relative to the base plate 1022 to change the waist and back support, the head rest can still maintain a proper position, so as to provide a continuous and stable head support for the user, reduce the pressure of the neck and improve the comfort of the overall sitting posture.

In some embodiments of the present invention, a first head support connection hole is formed in the head support body 1061, a second head support connection hole is formed in the upper end of the first head support link 1062, and the head support body 1061 and the first head support link 1062 are rotatably connected through a head support connection shaft 1063 penetrating the first head support connection hole and the second head support connection hole. Therefore, the user can adjust the angle of the head rest according to the needs of the user, the flexibility of the head rest assembly 106 is improved, the head rest assembly 106 can better fit the personal needs of the user, the pressure of the neck can be effectively reduced by adjusting the head rest assembly to the most comfortable position, and the comfort of the seat 100 is improved.

Further, a third head support connection hole is formed at the lower end of the first head support connection rod 1062, a first base plate 1022 connection hole is formed on the base plate 1022, the third head support connection hole is coaxially arranged with the first base plate 1022 connection hole, and the first head support connection rod 1062 and the base plate 1022 are rotatably connected by penetrating the third head support connection hole through a connection shaft 1064. Therefore, the rotatable connection mechanism realized by the plurality of connection holes and the connection shaft 1064 enhances the functionality and the adaptability of the chair and improves the use experience of users.

In some embodiments of the present invention, the head rest assembly 106 further includes a second head rest connecting rod 1065 and a third head rest connecting rod 1066, a fourth head rest connecting hole is formed at a front end of the second head rest connecting rod 1065, a fifth head rest connecting hole is formed at a front end of the third head rest connecting rod 1066, the second head rest connecting rod 1065 and the seat 1021 are rotatably connected by penetrating the fourth head rest connecting hole and the seat 1021 through the rotation shaft 107, and the third head rest connecting rod 1066 and the seat 1021 are rotatably connected by penetrating the fifth head rest connecting hole and the seat 1021 through the rotation shaft 107. Therefore, stability of the head rest assembly 106 in the adjusting process is enhanced, the adjustable range of the head rest assembly 106 is enlarged, when a user changes the posture or other parts of the chair (such as the back plate 103, the waist rest and the like) move, good dynamic head support can be continuously provided, pressure can be better dispersed, and the user can find the head rest position which is most suitable for the user, so that overall comfort is improved.

Further, a sixth head rest connection hole is formed on the first head rest connecting rod 1062, a seventh head rest connection hole is formed at the rear end of the second head rest connecting rod 1065, and the first head rest connecting rod 1062 and the second head rest connecting rod 1065 penetrate into the sixth head rest connection hole and the seventh head rest connection hole through the head rest rotating shaft 1071067 to be rotatably connected. It will be appreciated that these additional points of attachment allow the head support assembly 106 to react more flexibly as the user changes sitting positions or other parts of the chair (e.g., back plate 103, lumbar support, etc.), maintain the optimal support position for the head throughout, withstand various stresses in daily use, ensure reliability for long term use, and enhance adaptability and comfort.

Further, a back plate 103 bottom connecting hole is formed on the back plate 103, an eighth head rest connecting hole is formed at the rear end of the third head rest connecting rod 1066, and the third head rest connecting rod 1066 and the back plate 103 penetrate into the back plate 103 bottom connecting hole and the eighth head rest connecting hole through the head back connecting shaft 1031 to be rotatably connected. From this, through with third head support connecting rod 1066 lug connection to backplate 103, whole head support system has integrated more closely in the back of the chair structure, has strengthened holistic stability and uniformity, based on ergonomic principle, can adapt to user's individual difference and preference better to improve the comfort level of long-time use, and through each tie point of rational distribution, can disperse effort, reduce the pressure of single part, increase of service life, and ensure the holistic stability of structure.

In some embodiments of the invention, the head rest assembly 106 further includes a head rest adjustment member coupled to the head rest assembly 106 for adjusting the head rest body 1061 to the stowed position. Therefore, the user can finely adjust the position of the head support body 1061 according to the body type and comfort requirements, and the best back support effect is obtained, and no matter the user works, reads or takes a rest, the user can find the most comfortable posture by adjusting the head support body 1061, so that the discomfort caused by sitting for a long time is reduced.

Optionally, the head rest adjusting member has the following adjusting modes:

knob-type adjustment, in which the position of the head rest body 1061 is adjusted by rotating a knob, usually a height and depth adjustment;

The position of the head support body 1061 is changed by pushing the sliding block, so that the head support is suitable for height and depth adjustment;

lever adjustment, which is usually performed by adjusting the angle of the head rest body 1061 by pulling or pushing a lever.

Further, the head rest assembly 106 includes a head rest lock coupled to the head rest assembly 106 for locking the head rest body 1061 in the compliant position. Therefore, the head rest body 1061 is ensured not to accidentally move in the using process, more stable support is provided, a user can lock the head rest at the most comfortable position, the comfort level of each use is ensured to be the same, and the working or resting quality is improved.

Optionally, the head rest is locked in the following locking manner:

The user can easily lock or unlock the head rest through a built-in buckling mechanism. The clasp is usually designed in the form of an automatic pop-up or manual push;

the knob type locking is used for adjusting and locking the angle of the head rest by rotating the knob. The knob is provided with clear scales or marks, so that the user can conveniently and accurately adjust the knob;

the lever type locking is used for locking or unlocking the head rest by pulling or pushing the lever. The lever is usually designed in the form of a handle that is easy to operate;

Ratchet type locking is carried out, and the angle of the head rest is gradually adjusted and locked through a ratchet mechanism. The user can fine-tune the angle by continuous operation until a satisfactory position is reached.

In some embodiments of the invention, the head rest assembly 106 further includes a head rest reset member coupled to the head rest assembly 106 for restoring the head rest body 1061 to the seated position. Therefore, the use convenience of the seat is improved, and the user can quickly obtain comfortable sitting postures under different use scenes, so that the optimal body posture and comfort level are maintained.

Optionally, the head rest reset piece has the following reset modes:

spring return, namely, when a user releases the locking mechanism through a built-in spring mechanism, the spring automatically pulls the head rest body 1061 back to a preset position;

and the pneumatic rod type resetting is realized by compression and extension of the pneumatic rod, so that smooth resetting action is provided. The user only needs to lightly push or pull the head rest, and the pneumatic rod can assist the head rest to return to the preset position;

and the electric resetting is realized by driving an electric motor, and a user can start a resetting function through a control panel or a remote controller, so that the full-automatic resetting process is realized.

In some embodiments of the present invention, the head support body 1061 includes a head support frame and a head support mesh, where the head support frame has a clamping groove formed on a peripheral edge thereof, the head support mesh covers the head support frame, and the head support mesh is clamped in the clamping groove by a clamping strip and connected to the head support frame. Therefore, the connecting mode is simple, the air permeability is good, the comfort level is high, the service life is long, and the cleaning and the maintenance are easy.

In some embodiments of the present invention, the base assembly 102 further includes a first base link 1023 and a second base link 1024, both ends of the first base link 1023 being rotatably connected to the tub 1021 and the base plate 1022, respectively, and both ends of the second base link 1024 being rotatably connected to the tub 1021 and the base, respectively. It will be appreciated that when a downward force is applied to the seat 1021, the seat 1021 moves forward relative to the base plate 1022, and the lumbar support assembly 104, backrest assembly 105 and head support assembly 106 are each adjusted to a comfortable position for the user, improving the comfort of the seat 100.

In some embodiments of the present invention, the lumbar support assembly 104 includes a lumbar support body 1041, a first lumbar support link 1042 and a second lumbar support link 1043, wherein two ends of the first lumbar support link 1042 are rotatably connected to the lumbar support body 1041 and the bottom plate 1022, respectively, and two ends of the second lumbar support link 1043 are rotatably connected to the lumbar support body 1041 and the back plate 103, respectively. Therefore, the waist support body 1041 can be rotationally adjusted relative to the bottom plate 1022, so that the waist support is suitable for the movement of the seat basin 1021 and the change of sitting postures of a user, good waist support is always kept, and discomfort caused by sitting for a long time is reduced.

Further, the waist support body 1041 is formed with a waist support pivot portion, and one end of the first waist support link 1042 and one end of the second waist support link 1043 are connected with the waist support pivot portion, thereby reducing the number of required connecting pieces, making the whole waist support assembly 104 more concise and compact, reducing the manufacturing cost, enhancing the functionality of the waist support assembly 104, and improving the overall comfort and the supporting effect of the user.

Further, the other end of the first waist support link 1042 is formed with a first waist support connection hole, the base plate 1022 is formed with a first base plate 1022 connection hole, the first waist support link 1042 and the base plate 1022 penetrate into the first waist support connection hole and the first base plate 1022 connection hole through the connection shaft 1064 to be rotatably connected, in this way, the waist support assembly 104 can be adjusted in multiple directions through the waist support pivot part and the connection shaft 1064 between the first waist support link 1042 and the base plate 1022 to adapt to different sitting postures and user demands, the waist discomfort possibly caused by sitting for a long time is reduced, and the structure stability is good, and the service life is long.

Further, a second waist support connecting hole is formed at the other end of the second waist support connecting rod 1043, a lower connecting hole of the back plate 103 is formed on the back plate 103, the lower connecting hole of the back plate 103 is located at the upper side of the bottom connecting hole of the back plate 103, and the second waist support connecting rod 1043 and the back plate 103 penetrate into the second waist support connecting hole through a waist back connecting shaft 1044 and are rotatably connected with the lower connecting hole of the back plate 103. Therefore, when the back plate 103 tilts or moves, the second lumbar support connecting rod 1043 can rotate along with the back plate, so that the lumbar support body 1041 keeps a correct supporting position, continuous lumbar support is provided for a user, the pressure on the lumbar caused by long-time sitting is reduced, and the structure is simple and convenient to assemble.

As shown in fig. 1 and 2, for example, the pivoting portion of the first base plate 1022 and the connection hole of the first base plate 1022 are spaced apart in the front-rear direction. Thus, the inclination of the back plate 103 and the motion of the lumbar support assembly 104 can be adjusted relatively independently, and by distributing different connection points at different positions of the bottom plate 1022, the acting force can be better dispersed, the pressure of a single connection point can be reduced, and the stability and durability of the whole seat can be improved.

In some embodiments of the present invention, the lumbar support assembly 104 further includes a third lumbar support link 1045, one end of the third lumbar support link 1045 is rotatably connected to the second lumbar support link 1043, and the other end of the third lumbar support link 1045 is rotatably connected to the bottom of the bowl 1021. Thus, the entire lumbar support assembly 104 is more flexible, a wider adjustment range and support are provided by adding more connection points, optimal lumbar support for the user in different sitting postures is ensured, and the lumbar support assembly 104 not only becomes more flexible and more functional, but also improves the comfort and support effect of the user.

In some embodiments of the present invention, a third lumbar support connecting hole is formed at the front end of the third lumbar support connecting rod 1045, a seat pan 1021 is formed with a seat pan 1021 connecting hole, and the third lumbar support connecting rod 1045 and the seat pan 1021 are rotatably connected by penetrating the third lumbar support connecting hole through the rotation shaft 107. Thus, it is ensured that the lumbar support assembly 104 can be flexibly adjusted with the movement of the basin 1021, thereby providing better lumbar support.

In some embodiments of the present invention, the lumbar support assembly 104 further includes a lumbar support adjustment member coupled to the lumbar support assembly 104 for adjusting the position of the lumbar support body 1041. Therefore, the user can finely adjust the position of the waist support body 1041 according to the body shape and comfort requirements of the user, and the best waist support effect is obtained, and no matter the user works, reads or takes a rest, the user can find the most comfortable posture by adjusting the waist support body 1041, so that the uncomfortable feeling caused by sitting for a long time is reduced.

Optionally, the lumbar support adjusting member has the following adjusting modes:

Knob type adjustment, namely adjusting the position of the waist support body 1041 by rotating a knob, which is common in height and depth adjustment;

The sliding block type adjustment is that the position of the waist support body 1041 is changed by pushing the sliding block, so that the waist support is suitable for height and depth adjustment;

Lever-type adjustment, in which the angle of the lumbar support body 1041 is adjusted by pulling or pushing a lever, is commonly known as angle adjustment.

Further, the lumbar support assembly 104 further includes a lumbar support locking member coupled to the lumbar support assembly 104 for locking the lumbar support body 1041 in the adapted position. Therefore, the waist support body 1041 is ensured not to accidentally move in the using process, more stable support is provided, a user can lock the waist support at the most comfortable position, the comfort level of each use is ensured to be the same, and the working or resting quality is improved.

Optionally, the waist support is locked in the following locking mode:

The buckle type locking is that a user can easily lock or unlock the waist support through a built-in buckle mechanism. The clasp is usually designed in the form of an automatic pop-up or manual push;

the knob type locking is used for adjusting and locking the angle of the waist support by rotating the knob. The knob is provided with clear scales or marks, so that the user can conveniently and accurately adjust the knob;

the lever type locking is used for locking or unlocking the waist support by pulling or pushing the lever. The lever is usually designed in the form of a handle that is easy to operate;

Ratchet type locking is realized, and the angle of the waist support is gradually adjusted and locked through a ratchet mechanism. The user can fine-tune the angle by continuous operation until a satisfactory position is reached.

Further, the lumbar support assembly 104 further includes a lumbar support return member coupled to the lumbar support assembly 104 for returning the lumbar support body 1041 to the adapted position. Therefore, the use convenience of the seat is improved, and the user can quickly obtain comfortable sitting postures under different use scenes, so that the optimal body posture and comfort level are maintained.

Optionally, the lumbar support resetting piece has the following resetting modes:

Spring type reset, namely, through a built-in spring mechanism, when a user releases the locking mechanism, the spring automatically pulls the waist support body 1041 back to a preset position;

and the pneumatic rod type resetting is realized by compression and extension of the pneumatic rod, so that smooth resetting action is provided. The user only needs to lightly push or pull the waist support, and the pneumatic rod can assist the waist support to return to the preset position;

and the electric resetting is realized by driving an electric motor, and a user can start a resetting function through a control panel or a remote controller, so that the full-automatic resetting process is realized.

In some embodiments of the present invention, the waist support body 1041 includes a waist support frame and a waist support mesh, where the waist support frame has a clamping groove formed at a peripheral edge thereof, the waist support mesh wraps the waist support frame, and the waist support mesh is clamped in the clamping groove by a clamping strip and connected with the waist support frame. Therefore, the connecting mode is simple, the air permeability is good, the comfort level is high, the service life is long, and the cleaning and the maintenance are easy.

In some embodiments of the invention, the backrest assembly 105 includes a backrest body 1051, a first backrest link 1052, one end of the first backrest link 1052 being coupled to the backrest body 1051 and the other end being rotatably coupled to the back plate 103, and a second backrest link 1053, one end of the second backrest link 1053 being coupled to the first backrest link 1052, the other end of the second backrest link 1053 being rotatably coupled to the floor 1022. Therefore, the backrest body 1051 can be rotationally adjusted relative to the base plate 1022, so that the movement of the seat basin 1021 and the change of sitting postures of a user can be adapted, good waist support can be always maintained, and discomfort caused by sitting for a long time can be reduced.

In some embodiments of the present invention, the first backrest link 1052 includes a first backrest link portion extending in the up-down direction and a second backrest link portion extending in the front-rear direction, an upper end of the first backrest link portion being connected to a front end of the second backrest link portion, the first backrest link portion being connected to the backrest body 1051, and the second backrest link portion being formed with first and second backrest link holes arranged at intervals. Thus, the backrest body 1051 is movable in an up-and-down direction relative to the first backrest connecting rod to accommodate users of different heights, and thus, the backrest assembly 105 not only becomes more flexible and more functional, but also improves the comfort and support of the user.

In some embodiments of the present invention, the back plate 103 is formed with a connection hole on the back plate 103, and the first back link 1052 is rotatably connected to the back plate 103 by penetrating the first back connection hole through the back connection shaft 1054. It will be appreciated that by incorporating the first and second backrest connecting rod portions and effecting rotatable connection with the back plate 103 via the backrest connecting shaft 1054, the backrest assembly 105 not only becomes more flexible and more functional, but also enhances the comfort and support of the user, fully taking into account ergonomic principles, providing a comfortable and well-supported sitting environment for the user, particularly suitable for users who require long-term sitting.

In some embodiments of the present invention, a third backrest connecting hole is formed at one end of the second backrest link 1053, and the second backrest link 1053 and the first backrest link 1052 are rotatably connected by a backrest link connecting shaft 1055 penetrating the second backrest connecting hole and the third backrest connecting hole. It will be appreciated that the rotatable connection with the second backrest link 1053 through the backrest link connection shaft 1055 ensures that the backrest can quickly respond and adjust position to provide continuous and comfortable back support for the user regardless of the user's changing sitting position.

Further, the base plate 1022 is formed with a second base plate 1022 connection hole, the second base plate 1022 connection hole is formed on the first base plate 1022 pivot portion, the other end of the second backrest link 1053 is formed with a fourth backrest connection hole, and the second backrest link 1053 and the base plate 1022 are rotatably connected through the second base plate 1022 connection hole and the fourth backrest connection hole by a bottom backrest connection shaft 1056. Thus, when the back plate 103 is tilted or moved, the first and second back links 1052, 1053 can rotate therewith, maintaining the back body 1051 in a correct support position, providing continuous back support for the user, helping to relieve pressure on the back when sitting for a long time, and being simple in construction and easy to assemble.

Preferably, the base plate 1022 includes two second backrest links 1053 spaced apart in the left-right direction, and each second backrest link 1053 is connected to one base plate 1022. Thus, the backrest assembly 105 is more structurally stable and more uniformly supported, providing a continuous and comfortable back support for the user.

In some embodiments of the present invention, both ends of the second backrest link 1053 are formed with bending parts extending forward, a third backrest connecting hole is formed at the bending part located at the upper side, and a fourth backrest connecting hole is formed at the bending part located at the lower side. Thus, the bending portion extending forward is formed at both ends of the second backrest link 1053, and the connection hole is provided at the bending portion, so that the backrest assembly 105 becomes more flexible and more functional, and the comfort and the supporting effect of the user are improved.

In some embodiments of the invention, the backrest assembly 105 further includes a backrest adjustment member coupled to the backrest assembly 105 for adjusting the backrest body 1051 to the reclined position. Therefore, the user can finely adjust the position of the backrest body 1051 according to the body type and comfort requirements of the user, the optimal back supporting effect is obtained, no matter the user works, reads or takes a rest, the user can find the most comfortable posture by adjusting the backrest body 1051, and the uncomfortable feeling caused by sitting for a long time is reduced.

Optionally, the backrest adjusting member has the following adjusting means:

knob adjustment, which is typically height and depth adjustment, by rotating a knob to adjust the position of the backrest body 1051;

Slider-type adjustment, which is to change the position of the backrest body 1051 by pushing the slider, suitable for height and depth adjustment;

Lever adjustment, which is typically performed by adjusting the angle of the backrest body 1051 by pulling or pushing a lever.

In some embodiments of the invention, the backrest assembly 105 further includes a backrest return coupled to the backrest assembly 105 for returning the backrest body 1051 to the reclined position. Therefore, the use convenience of the seat is improved, and the user can quickly obtain comfortable sitting postures under different use scenes, so that the optimal body posture and comfort level are maintained.

Optionally, the backrest resetting member has the following resetting modes:

Spring return, namely, through a built-in spring mechanism, when a user releases the locking mechanism, the spring automatically pulls the backrest body 1051 back to a preset position;

And the pneumatic rod type resetting is realized by compression and extension of the pneumatic rod, so that smooth resetting action is provided. The user only needs to push or pull the backrest lightly, and the pneumatic rod can assist the backrest to return to the preset position;

and the electric resetting is realized by driving an electric motor, and a user can start a resetting function through a control panel or a remote controller, so that the full-automatic resetting process is realized.

In some embodiments of the present invention, the backrest body 1051 includes a backrest frame and a backrest mesh, the backrest frame has a clamping groove formed at a peripheral edge thereof, the backrest mesh is wrapped around the backrest frame, and the backrest mesh is clamped in the clamping groove by a clamping strip and connected with the backrest frame. Therefore, the connecting mode is simple, the air permeability is good, the comfort level is high, the service life is long, and the cleaning and the maintenance are easy.

Further, the backrest assembly 105 also includes a backrest locking member coupled to the backrest assembly 105 for locking the backrest body 1051 in the reclined position. Thus, it is ensured that the backrest body 1051 does not accidentally move during use, providing more stable support, and the user can lock the backrest in the most comfortable position, ensuring the same comfort level for each use, and improving the quality of work or rest.

Optionally, the backrest is locked in the following locking manner:

The user can easily lock or unlock the backrest through a built-in buckle mechanism. The clasp is usually designed in the form of an automatic pop-up or manual push;

The knob type locking is used for adjusting and locking the angle of the backrest by rotating the knob. The knob is provided with clear scales or marks, so that the user can conveniently and accurately adjust the knob;

Lever-type locking, which locks or unlocks the backrest by pulling or pushing the lever. The lever is usually designed in the form of a handle that is easy to operate;

Ratchet type locking, the angle of the backrest is gradually adjusted and locked through a ratchet mechanism. The user can fine-tune the angle by continuous operation until a satisfactory position is reached.

In summary, the head support assembly 106 is formed as a four-bar mechanism, the backrest assembly 105 is formed as a four-bar mechanism, the lumbar support assembly 104 is formed as a four-bar mechanism, and the head support assembly 106, the backrest assembly 105 and the lumbar support assembly 104 are respectively linked with the seat pan 1021, so that relatively independent functions are realized, and the comfort of the seat is improved.

In the description of the present invention, 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", "axial", "radial", "circumferential", 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 invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

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 invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (25)

1. A seating furniture, comprising:

Chair legs;

The seat assembly is arranged at the upper part of the chair leg and is connected with the chair leg, and comprises a seat basin and a bottom plate, wherein the seat basin is connected with the bottom plate and can move relatively, and the bottom plate is provided with a first bottom plate pivoting part;

One end of the backboard is connected with the first bottom board pivoting part;

the waist support assembly is connected with the backboard and the seat basin, and the seat basin rotates relative to the bottom plate to drive the waist support assembly to move;

The backrest assembly is connected with the back plate and the seat basin, and the seat basin rotates relative to the bottom plate to drive the backrest assembly to move;

The head support assembly is connected with the base assembly, and the seat basin moves relative to the bottom plate to drive the head support assembly to move.

2. The seating apparatus of claim 1 wherein said head rest assembly comprises:

a head rest body;

The two ends of the first head support connecting rod are respectively and rotatably connected with the head support body and the bottom plate.

3. The seat according to claim 2, wherein a first head rest connection hole is formed in the head rest body, a second head rest connection hole is formed in an upper end of the first head rest connection rod, and the head rest body and the first head rest connection rod penetrate into the first head rest connection hole and the second head rest connection hole through a head rest connection shaft to be rotatably connected.

4. A seat as set forth in claim 3 wherein said first head rest link has a third head rest connection hole formed in a lower end thereof, said base plate has a first base plate connection hole formed therein, said third head rest connection hole being coaxially disposed with said first base plate connection hole, said first head rest link and said base plate penetrating said third head rest connection hole and said first base plate connection hole through a connection shaft.

5. The sitting apparatus of claim 4, wherein the head support assembly further comprises a second head support connecting rod and a third head support connecting rod, a fourth head support connecting hole is formed at the front end of the second head support connecting rod, a fifth head support connecting hole is formed at the front end of the third head support connecting rod, the second head support connecting rod and the seat basin penetrate into the fourth head support connecting hole and the seat basin connecting hole through a rotating shaft to be rotatably connected, and the third head support connecting rod and the seat basin penetrate into the fifth head support connecting hole and the seat basin connecting hole through the rotating shaft to be rotatably connected.

6. The seat as set forth in claim 5, wherein a sixth head rest connection hole is formed in the first head rest link, a seventh head rest connection hole is formed in a rear end of the second head rest link, and the first head rest link and the second head rest link penetrate into the sixth head rest connection hole and the seventh head rest connection hole through a head rest rotation shaft to be rotatably connected.

7. The seat according to claim 6, wherein a backboard bottom connection hole is formed in the backboard, an eighth head support connection hole is formed in the rear end of the third head support connecting rod, and the third head support connecting rod and the backboard penetrate into the backboard bottom connection hole and the eighth head support connection hole through a head back connection shaft to be rotatably connected.

8. The seating unit of any one of claims 1-7 wherein the base assembly further comprises a first base link and a second base link, the first base link rotatably coupled at both ends to the bowl and the base plate, respectively, and the second base link rotatably coupled at both ends to the bowl and the base plate, respectively.

9. The seating apparatus of claim 8 wherein said lumbar support assembly comprises:

the waist support body is provided with a waist support body,

The two ends of the first waist support connecting rod are respectively and rotatably connected with the waist support body and the bottom plate;

The two ends of the second waist support connecting rod are respectively and rotatably connected with the waist support body and the backboard.

10. The seating product of claim 9 wherein the lumbar support body is formed with a lumbar support pivot, and wherein one end of the first lumbar support link and one end of the second lumbar support link are connected to the lumbar support pivot.

11. The seat as set forth in claim 10, wherein a first lumbar support connection hole is formed at the other end of the first lumbar support link, a first base plate connection hole is formed at the base plate, and the first lumbar support link and the base plate are rotatably connected by penetrating into the first lumbar support connection hole and the first base plate connection hole through a connection shaft.

12. The seat according to claim 11, wherein a second lumbar support connecting hole is formed at the other end of the second lumbar support connecting rod, a backboard lower connecting hole is formed on the backboard, the backboard lower connecting hole is located at the upper side of the backboard bottom connecting hole, and the second lumbar support connecting rod and the backboard penetrate into the second lumbar support connecting hole and the backboard lower connecting hole through a lumbar back connecting shaft to be rotatably connected.

13. The seating product of claim 12 wherein the first floor pivot is spaced apart from the first floor attachment hole in a fore-aft direction.

14. The seating apparatus of claim 13 wherein said lumbar support assembly further comprises a third lumbar support link, one end of said third lumbar support link being rotatably connected to said second lumbar support link and the other end of said third lumbar support link being rotatably connected to the bottom of said seat pan.

15. The seat as set forth in claim 14, wherein a third lumbar support connection hole is formed at a front end of the third lumbar support link, a seat pan connection hole is formed at the seat pan, and the third lumbar support link and the seat pan are rotatably connected by penetrating into the third lumbar support connection hole and the seat pan connection hole through a rotation shaft.

16. The seating apparatus of any one of claims 9-15 wherein the lumbar support assembly further comprises a lumbar support adjustment member coupled to the lumbar support assembly for adjusting the position of the lumbar support body.

17. The seating apparatus of claim 8 wherein said backrest assembly comprises:

a backrest body;

One end of the first backrest connecting rod is connected with the backrest body, and the other end of the first backrest connecting rod is rotatably connected with the backboard;

And one end of the second backrest connecting rod is connected with the first backrest connecting rod, and the other end of the second backrest connecting rod is rotatably connected with the bottom plate.

18. The seat according to claim 17, wherein the first backrest connecting rod includes a first backrest connecting rod portion extending in an up-down direction and a second backrest connecting rod portion extending in a front-rear direction, an upper end of the first backrest connecting rod portion being connected to a front end of the second backrest connecting rod portion, the first backrest connecting rod portion being connected to the backrest body, and the second backrest connecting rod portion being formed with first backrest connecting holes and second backrest connecting holes arranged at intervals.

19. The seating apparatus of claim 18 wherein the back plate has a back plate upper connection hole formed therein, the first back link and the back plate being rotatably connected by a back plate connection shaft penetrating the first back plate connection hole and the back plate upper connection hole.

20. The seating furniture of claim 19 wherein a third backrest connecting hole is formed at one end of the second backrest connecting rod, the second backrest connecting rod being rotatably connected to the first backrest connecting rod by a backrest connecting shaft penetrating the second backrest connecting hole and the third backrest connecting hole.

21. The seating furniture of claim 20 wherein said floor is formed with a second floor attachment hole formed in said first floor pivot section, a fourth back attachment hole formed in the other end of said second back link, said second back link rotatably connected to said floor through said second floor attachment hole and said fourth back attachment hole by a floor attachment shaft.

22. The seating apparatus of claim 21 wherein said floor includes two spaced apart in a left-right direction and said second back links include two, each of said second back links being connected to one of said floor.

23. The seat as set forth in claim 22, wherein both ends of the second backrest link are formed with bending parts extending forward, the third backrest connecting hole is formed at the bending part located at the upper side, and the fourth backrest connecting hole is formed at the bending part located at the lower side.

24. The seating of any of claims 17-23 wherein the back assembly further comprises a back adjustment member coupled to the back assembly for adjusting the back body to the reclined position.

25. The seating product of claim 24 wherein said back assembly further comprises a back return member coupled to said back assembly for returning said back body to said reclined position.