CN108926154B

CN108926154B - Seat capable of correcting sitting posture automatically

Info

Publication number: CN108926154B
Application number: CN201810787286.0A
Authority: CN
Inventors: 鲁陈
Original assignee: Shenzhen Guqi Innovation Technology Co ltd
Current assignee: SHENZHEN GUQI INNOVATION TECHNOLOGY Co.,Ltd.
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2021-04-06
Anticipated expiration: 2038-07-18
Also published as: CN108926154A

Abstract

The invention discloses a seat capable of self-correcting sitting postures, which comprises a seat body consisting of four supporting legs, a seat board and a backup plate, wherein a first air cushion is installed on the backup plate, a closed first air cavity is arranged in the first air cushion, a groove is formed in the middle of the seat board, the bottom end of one side of the groove is communicated with the outside through an opening, a movable plate is arranged in the groove, the middle of the movable plate is rotatably connected to the inner wall of the groove through a pin shaft, and the part of the movable plate, which is positioned at the upper end of the opening, is rotatably connected with a first pressure rod. According to the invention, through the arrangement of the movable plate, when a user is out of sitting posture, namely humpback, the center of the body deviates to the hip tail, at the moment, the pressure on the rear side of the movable plate at the hip tail is reduced, and further the first air chamber is expanded through air flow to jack up the first air cushion, the back of the user is jacked up by the first air cushion in one stroke, and the back of the user is gradually arched forwards, so that the sitting posture of the user is effectively corrected.

Description

Seat capable of correcting sitting posture automatically

Technical Field

The invention relates to the technical field of seats, in particular to a seat capable of automatically correcting sitting postures.

Background

The sitting posture generally refers to the posture of a human body when sitting. In addition to the following techniques, the correct sitting posture can keep the upper body straight when necessary, i.e. the neck, chest and waist are kept straight. The tested person lies on the plane adjusted to the height of the fibula, the head is positioned by the eye ear plane, the eyes look straight ahead, the left thigh and the right thigh are approximately parallel, the knee bend is approximately right-angled, the feet are flatly placed on the ground, and the hands are lightly placed on the thighs.

The incidence of lumbar pain of sitting workers increases year by year, lumbar pain, soreness of waist bones, lumbar disc herniation, muscular soreness of buttocks and shoulders become common diseases of sitting office workers, and the fierce of the phenomenon is the poor sitting posture which is continued for thousands of years. Therefore, how to solve the sitting posture problem is a very challenging design issue.

For a long time, the design and research of new type seats have been dedicated to medical circles, seat designers and human engineering researchers at home and abroad, so that a seat capable of correcting sitting posture is urgently needed to correct the sitting posture of a user.

Disclosure of Invention

The invention aims to solve the problems that the prior art has fewer functions and lacks a seat capable of correcting sitting postures so as to correct the sitting postures of users, and provides a seat capable of correcting the sitting postures.

In order to achieve the purpose, the invention adopts the following technical scheme:

a seat capable of correcting sitting postures automatically comprises a seat body consisting of four supporting legs, a seat board and a backup plate, wherein a first air cushion is installed on the backup plate, a closed first air cavity is arranged in the first air cushion, a groove is formed in the middle of the seat board, the bottom end of one side of the groove is communicated with the outside through an opening, a movable plate is arranged in the groove, the middle of the movable plate is rotatably connected to the inner wall of the groove through a pin shaft, the part of the movable plate, which is positioned at the upper end of the opening, is rotatably connected with a first pressure rod, a plurality of fixing hoops are installed on the supporting legs, a first cylinder is fixedly connected onto the fixing hoops, a first cavity is formed in the first cylinder, the first pressure rod penetrates through the first cylinder and extends into the first cavity, the part of the first pressure rod, which is positioned in the first cavity, is fixedly connected with a first piston, and the bottom end of the first cylinder, one end of the first air outlet pipe, which is far away from the first cylinder, penetrates through the backup plate and extends into the first air cavity.

Preferably, the first air cushion adopts a semicircular structure.

Preferably, a rubber sealing gasket is glued on the first air outlet pipe, and the first air outlet pipe is fixedly connected with the first cylinder through the rubber sealing gasket.

Preferably, four the common fixedly connected with bottom plate in bottom of supporting legs, a plurality of gyro wheel support arms are installed to the bottom of bottom plate, every all install the universal wheel on the gyro wheel support arm, fixedly connected with second air cushion on the bottom plate.

Preferably, both ends of the pin shaft are fixedly connected with connecting blocks, the connecting blocks penetrate through the inner wall of the bottom end of the groove and are fixedly connected with rod bodies, the bottom end of the seat plate is fixedly connected with a connecting frame, the connecting frame is of a T-shaped structure, the rod bodies are slidably connected to the connecting frame, strong springs are sleeved on the rod bodies, both ends of each strong spring are respectively welded with the connecting blocks and the rod bodies, the bottom end of each rod body is rotatably connected with a connecting rod, the middle of each connecting rod is rotatably connected to the bottom end of the connecting frame, one end, far away from the rod bodies, of each connecting rod is rotatably connected with a second pressure rod, the supporting legs are fixedly connected with a second barrel body, a second cavity is formed in each second barrel body, each second pressure rod penetrates through the second barrel body and extends into the corresponding second cavity, a second piston is fixedly connected to the part, located in the corresponding second, and a second air cavity is formed in the second air cushion, and one end, far away from the second cylinder, of the second air outlet pipe extends into the second air cushion and is communicated with the second air cavity.

The invention has the following advantages:

1. according to the invention, through the arrangement of the movable plate, when a user has an incorrect sitting posture, namely a humpback, the center of the body is shifted to the hip tail, at the moment, the rear side of the movable plate is subjected to pressure reduction at the hip tail and further expands the first air cushion in the first air cavity through air flow to jack up the first air cushion, the first air cushion enters one pen to jack up the back of the user and gradually enables the back of the user to be forward bowed, the sitting posture of the user is effectively corrected, the center of gravity of the body is shifted to the thigh due to the forward bowing of the back, at the moment, the air in the first air cushion returns to the first air cavity to be stored, and when the user backs to the backward bow, the first air cushion can be jacked up, so that the user can be supported to be not easy to reflect the condition of the bow in the past, and the aim.

When the invention is used, whether the user is an adult or a child can be judged according to the weight of the user, so that the second air cushion at the bottom can be self-supported, the feet of the child user can be always kept in contact with the second air cushion, the sitting posture of the legs of the user can be further corrected, the fatigue feeling of the suspended feet can be reduced, and the second air cushion can be automatically lowered when the adult sits down, so that the situation that the legs of the adult are excessively raised due to the overhigh second air cushion can be prevented.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a chair capable of self-correcting sitting posture according to the present invention;

fig. 2 is a schematic structural view of the interior of a first tube of a chair capable of self-correcting sitting posture according to the present invention;

fig. 3 is a schematic structural diagram of a second embodiment of a chair capable of self-correcting a sitting posture according to the present invention.

In the figure: the device comprises a seat plate 1, supporting legs 2, grooves 3, a movable plate 4, a pin shaft 5, a first pressure rod 6, a fixed hoop 7, a first cylinder 8, a rubber sealing gasket 9, a first air outlet pipe 10, a backup plate 11, a first air cushion 12, a first air cavity 13, a first cavity 14, a first piston 15, a connecting block 16, a connecting frame 17, a powerful spring 18, a rod body 19, a connecting rod 20, a second pressure rod 21, a second cylinder 22, a second piston 23, a second cavity 24, a second air outlet pipe 25, a roller supporting arm 26, a universal wheel 27, a bottom plate 28, a second air cushion 29 and a second air cavity 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the present invention, unless otherwise specifically stated or limited, the terms "cover", "fitted", "attached", "fixed", "distributed", and the like are to be understood in a broad sense, and may be, for example, fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example one

Referring to fig. 1 and 2, a seat capable of correcting sitting posture automatically comprises a seat body composed of four supporting legs 2, a seat plate 1 and a backup plate 11, wherein a first air cushion 12 is installed on the backup plate 11, a closed first air cavity 13 is arranged in the first air cushion 12, a slot 3 is formed in the middle of the seat plate 1, the bottom end of one side of the slot 3 is communicated with the outside through an opening, a movable plate 4 is arranged in the slot 3, the middle of the movable plate 4 is rotatably connected to the inner wall of the slot 3 through a pin shaft 5, the part of the movable plate 4, which is positioned at the upper end of the opening, is rotatably connected with a first pressure lever 6, a plurality of fixing hoops 7 are installed on the supporting legs 2, the fixing hoops 7 are of an annular structure and are used for fixing a first cylinder 8, a first cylinder 8 is fixedly connected to the fixing hoops 7, a first cavity 14 is formed in the first cylinder 8, the first pressure lever 6, the part of the first pressure lever 6 located in the first cavity 14 is fixedly connected with a first piston 15, the bottom end of the first cylinder 8 is communicated with a first air outlet pipe 10, and one end, far away from the first cylinder 8, of the first air outlet pipe 10 penetrates through the backup plate 11 and extends into the first air cavity 13.

More preferably, the first air cushion 12 is formed in a semicircular shape, so that it can be better supported on the back of the user.

The first air outlet pipe 10 is glued with a rubber sealing gasket 9, the first air outlet pipe 10 is fixedly connected with the first cylinder 8 through the rubber sealing gasket 9, and the rubber sealing gasket 9 can increase the sealing performance of the joint of the first air outlet pipe 10 and the first cylinder 8.

When the sitting posture correcting chair is used, a user sits on the seat board 1, when the sitting posture of the user is not correct, namely the user is hunched, the center of the body deviates to the hip tail, at the moment, the pressure on the rear side of the movable board 4 at the hip tail is reduced, the first pressure rod 6 is further driven to move, the first pressure rod 6 pushes the gas medium in the first cavity 14 to move through the first piston 15, the gas medium is pushed by the first piston 15 to enter the first gas cavity 13 through the first gas outlet pipe 10, at the moment, the first gas cavity 13 is expanded to jack the first air cushion 12, the back of the user is jacked up by the first air cushion 12 with one stroke, the back of the user is gradually arched forwards, and the sitting posture of the user is effectively corrected.

Because the back is arched forwards, the gravity center of the body shifts towards the thighs, at the moment, the air in the first air cushion 12 returns to the first cavity for storage, and when a user backs on the arch backwards, the first air cushion 12 can be jacked up, so that the user can form conditioned reflex which is not easy to back on the arch for a long time, and the aim of correcting the sitting posture of the user is fulfilled.

The invention

Example two

Referring to fig. 2, the following contents are added on the basis of the first embodiment: the bottom ends of the four supporting feet 2 are fixedly connected with a bottom plate 28 together, the bottom end of the bottom plate 28 is provided with a plurality of roller supporting arms 26, each roller supporting arm 26 is provided with a universal wheel 27, the bottom plate 28 is fixedly connected with a second air cushion 29, both ends of the pin shaft 5 are fixedly connected with connecting blocks 16, the connecting blocks 16 penetrate through the inner wall of the bottom end of the groove 3 and are fixedly connected with rod bodies 19, the bottom end of the seat plate 1 is fixedly connected with a connecting frame 17, the connecting frame 17 adopts a T-shaped structure, the rod bodies 19 are connected on the connecting frame 17 in a sliding manner, strong springs 18 are sleeved on the rod bodies 19, both ends of the strong springs 18 are respectively welded with the connecting blocks 16 and the rod bodies 19, the bottom ends of the rod bodies 19 are rotatably connected with connecting rods 20, the middle parts of the connecting rods 20 are rotatably connected with the bottom ends, a second cavity 24 is formed in the second cylinder 22, the second pressure rod 21 penetrates through the second cylinder 22 and extends into the second cavity 24, a second piston 23 is fixedly connected to a portion, located in the second cavity 24, of the second pressure rod 21, a second air outlet pipe 25 is communicated with the bottom end of the second cylinder 22, a second air cavity 30 is formed in the second air cushion 29, and one end, far away from the second cylinder 22, of the second air outlet pipe 25 extends into the second air cushion 29 and is communicated with the second air cavity 30.

When the invention is used, whether the user is an adult or a child can be judged according to the weight of the user, so that the second air cushion 29 at the bottom can be self-supported, the feet of the child user can be always kept in contact with the second air cushion 29, the sitting posture of the legs of the user can be further corrected, the fatigue feeling of hanging the feet in the air can be reduced, and the second air cushion 29 can be automatically lowered when an adult sits down, so that the legs of the adult are prevented from being excessively raised due to the overhigh second air cushion 29.

In this embodiment, the second cushion 29 is normally in a supporting state, and the child cannot overcome the elastic force of the strong spring 18 when sitting on the seat plate 1, so that the second cushion 29 can support the sole of the child, thereby improving the comfort.

When an adult sits on the seat plate 1, the movable plate 4 overcomes the elastic force of the strong spring 18 to drive the first pressure lever 19 to move downwards, the first pressure lever 19 drives the connecting rod 20 to do lever movement, the other end of the connecting rod 20 tilts to further drive the second pressure lever 21 to move downwards, the second pressure lever 21 drives the second piston 23 to move upwards, negative pressure is formed in the second cavity 24, gas in the second gas cavity 30 enters the second cavity 24 through the second gas outlet pipe 25, and at the moment, the feet of the adult can be cushioned on the second gas cushion 29 after descending.

In this embodiment, the design of the strong spring 18 can be made according to the standard height and weight of the adult, so as to adapt to most users.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A seat capable of correcting sitting posture automatically comprises a seat body composed of four supporting legs (2), a seat board (1) and a backup plate (11), and is characterized in that a first air cushion (12) is installed on the backup plate (11), a closed first air cavity (13) is arranged in the first air cushion (12), a slot (3) is formed in the middle of the seat board (1), the bottom end of one side of the slot (3) is communicated with the outside through an opening, a movable plate (4) is arranged in the slot (3), the middle of the movable plate (4) is rotatably connected to the inner wall of the slot (3) through a pin shaft (5), a first pressure rod (6) is rotatably connected to the part of the movable plate (4) positioned at the upper end of the opening, a plurality of fixed hoops (7) are installed on the supporting legs (2), and a first barrel body (8) is fixedly connected to the fixed hoops (7), a first cavity (14) is formed in the first cylinder (8), the first pressing rod (6) penetrates through the first cylinder (8) and extends into the first cavity (14), a first piston (15) is fixedly connected to the portion, located in the first cavity (14), of the first pressing rod (6), the bottom end of the first cylinder (8) is communicated with a first air outlet pipe (10), and one end, far away from the first cylinder (8), of the first air outlet pipe (10) penetrates through the backup plate (11) and extends into the first air cavity (13).

2. A self-correcting sitting chair according to claim 1, wherein the first air cushion (12) is of a semi-circular configuration.

3. The seat capable of self-correcting sitting posture according to claim 1, wherein the first air outlet pipe (10) is glued with a rubber gasket (9), and the first air outlet pipe (10) is fixedly connected with the first cylinder (8) through the rubber gasket (9).

4. The chair capable of self-correcting the sitting posture according to claim 1, wherein a bottom plate (28) is fixedly connected to the bottom ends of the four supporting feet (2), a plurality of roller supporting arms (26) are mounted to the bottom end of the bottom plate (28), a universal wheel (27) is mounted to each roller supporting arm (26), and a second air cushion (29) is fixedly connected to the bottom plate (28).

5. The seat capable of self-correcting sitting posture according to claim 4, wherein the two ends of the pin shaft (5) are fixedly connected with connecting blocks (16), the connecting blocks (16) penetrate through the inner wall of the bottom end of the groove (3) and are fixedly connected with rod bodies (19), the bottom end of the seat plate (1) is fixedly connected with a connecting frame (17), the connecting frame (17) adopts a T-shaped structure, the rod bodies (19) are slidably connected onto the connecting frame (17), the rod bodies (19) are sleeved with strong springs (18), the two ends of the strong springs (18) are respectively welded with the connecting blocks (16) and the rod bodies (19), the bottom ends of the rod bodies (19) are rotatably connected with connecting rods (20), the middle parts of the connecting rods (20) are rotatably connected onto the bottom ends of the connecting frame (17), and one ends of the connecting rods (20) far away from the rod bodies (19) are rotatably connected with second pressure rods (21), the supporting leg (2) is fixedly connected with a second cylinder (22), a second cavity (24) is formed in the second cylinder (22), a second pressing rod (21) penetrates through the second cylinder (22) and extends into the second cavity (24), a second piston (23) is fixedly connected to the part, located in the second cavity (24), of the second pressing rod (21), the bottom end of the second cylinder (22) is communicated with a second air outlet pipe (25), a second air cavity (30) is formed in the second air cushion (29), and one end, far away from the second cylinder (22), of the second air outlet pipe (25) extends into the second air cushion (29) and is communicated with the second air cavity (30).