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High-safety sitting and standing work chair

A high-safety, work chair technology, applied to chairs, chairs with vertically adjustable seats, stools, etc., can solve the problems that the user cannot lean on the back, the chair cannot be installed with the back, and it is difficult to meet the requirements of standing in the office. It achieves the effects of convenient and rapid conversion from sitting to standing, simple structure and easy operation

Inactive Publication Date: 2020-01-14
UE FURNITURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The sit-stand combined chair realizes the conversion of sitting and standing by adjusting the telescopic mechanism to control the tilt of the chair surface 30 or restore the level, but the chair cannot be installed with a chair back, so that the user cannot lean on the back, which has certain limitations, and It is also difficult to meet the requirements of office standing in practical applications

Method used

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  • High-safety sitting and standing work chair
  • High-safety sitting and standing work chair
  • High-safety sitting and standing work chair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] Embodiment 1: work chair of the present invention, as Figure 1-10 shown, including:

[0094] Seat support assembly 1, said seat support assembly 1 includes lift air rod 2, and the lower end of lift air rod 2 is plugged with support foot 3 with roller 4 at the bottom.

[0095] The base 5 above the ground is supported by the seat support assembly 1, and the base 5 is plugged with the upper end of the lifting air rod 2, and the height of the base 5 from the ground can be controlled by the lifting air rod 2. In this embodiment The height is set to 360-550cm; 400cm is the suitable height for most people.

[0096] The slide rail assembly 6 standing on the base 5, the slide rail assembly 6 has a moving rail 7 and a static rail 8 that are slidably matched with each other, wherein the static rail 8 and the base 5 are fixed by welding or connected by fasteners.

[0097] The seat support member 9 provided on the front side of the slide rail assembly 6; the seat support member 9...

Embodiment 2

[0116] Embodiment 2: as Figure 11-16 , Shown in 20-23, 33-36, differ from embodiment 1 in that, the present embodiment is not provided with lever arm 63, but adopts four-bar linkage to guide.

[0117] Specifically, this embodiment also includes a first connecting rod 64 and a second connecting rod 65, one end of the first connecting rod 64 is hinged to the first seat 11, and the other end of the first connecting rod 64 is connected to the second connecting rod 65. One end is hinged, the other end of the second connecting rod 65 is hinged with the second seat 10, the first connecting rod 64, the second connecting rod 65, the second seat 10 and the first seat 11 form a four-bar linkage mechanism, and the guide shaft 61 is arranged on the first connecting rod 64 .

[0118] In the four-bar linkage mechanism, the first seat 11 is stationary, and when the guide shaft 61 is guided by the chute 60, the first link 64 and the second link 65 are linked to drive the second seat 10 to tu...

Embodiment 3

[0122] Embodiment 3: as Figure 16 , 37 As shown in -42, the difference from Embodiments 1 and 2 is that the base 5 of this embodiment adopts a tilting chassis, so that not only the initial height of the base 5 can be adjusted normally, but also it has a tilting position when sitting flat. function to make sitting more comfortable.

[0123] Specifically, the base 5 includes a seat body 31 and a seesaw 32 that is rotatably connected to the seat body 31. The static rail 8 is fixedly connected to the seesaw 32. The upper end of the lifting air rod 2 is connected to the seat. The body 31 is plugged and fitted, and a return spring 68 is provided between the seesaw 32 and the seat body 31 .

[0124] A safety lock control mechanism is provided between the base 5 and the first seat 11, and the safety lock control mechanism includes a lock plate 69, a mounting base 70, a slide pin 72, a torsion spring 73 and a lock pin 74, and the lock plate 69 is fixedly arranged On the seat body 3...

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Abstract

The invention discloses a high-safety sitting and standing work chair. The high-safety sitting and standing work chair comprises a base, a sliding rail assembly, a seat supporting part and a back supporting part, wherein the base comprises a base body and a warping plate; the sliding rail assembly is provided with a movable rail and a static rail which are in sliding fit with each other, and the static rail is fixedly connected to the warping plate; the seat supporting part is provided with a first seat and a second seat, and in a flat sitting state, the first seat and the second seat jointlysupport the hip and the legs of the human body; in a standing posture state, only the first seat presents the attitude of supporting the hip and the legs of the human body; the back supporting part isconnected with the movable rail and moves up and down along with the movable rail; a safety locking control mechanism is arranged between the base and the seat supporting part, the safety locking control mechanism is configured to be triggered when the seat supporting part is in the flat sitting state, and the warping plate rotates relative to the base body; and when the seat supporting part is converted to be in the standing posture state from the flat sitting state, the warping plate is kept fixed relative to the base body, and at the moment, the back of the chair cannot be leaned back, sothat the use safety is guaranteed.

Description

technical field [0001] The invention relates to the field of seats, in particular to a high-safety sit-stand work chair. Background technique [0002] Seats are widely used in modern people's study and work. For most office chairs or study chairs, they only have the function of sitting; from a physiological point of view, if a person stands for a long time, his legs are overloaded and he is prone to fatigue. People who sit for a long time will also feel uncomfortable or tired. At the same time, the lack of blood supply to the brain and the weight of the whole body will cause various diseases such as memory loss, headache, dizziness, lumbar and cervical spine, etc., which is not good for the body. There have been many studies and reports that sitting for a long time is not good for the body. If a person stands for a long time, he hopes to be able to sit, and if he sits for a long time, he hopes to be able to stand. [0003] Among the sedentary people, it seems that office wh...

Claims

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Application Information

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IPC IPC(8): A47C3/00A47C7/00A47C7/02A47C7/40A47C7/56
CPCA47C3/00A47C7/004A47C7/006A47C7/02A47C7/40A47C7/56
Inventor 何基叶金蒋小兵
Owner UE FURNITURE CO LTD
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