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Back cushion for chair

A back cushion and lumbar cushion technology, which is applied in the field of daily necessities, can solve problems such as the shape does not fit, the back of the human body cannot be effectively supported by the back of the chair, and vision loss

Inactive Publication Date: 2016-08-31
林志强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

People working in the office usually can only lie on their desks or lean on office chairs to rest at noon. When people rest on their desks, their arms and legs often feel numb in a few minutes, resulting in insufficient rest and lack of energy. Not good, over time, severe cases may even lead to vision loss and induce various chronic diseases such as cervical spondylosis; when resting on an office chair, the shape of the back of the chair does not fit the shape of the back of the human body, resulting in The back cannot be effectively supported by the back of the chair, which makes people uncomfortable and cannot get enough rest

Method used

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  • Back cushion for chair
  • Back cushion for chair
  • Back cushion for chair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The back cushion for this chair includes seat cushion 1, seat part 1a, raised part 1b, raised part 2 1c, waist cushion 2, curved surface 1 2a, support top point 21, back cushion 3, curved surface 2 3a, curved surface 3 3b, support piece 4, limit clip 5, rear hook 6, stopper 7, slide rail 8, upper hook 9.

[0026] The back cushion can be made of hard plastic or other materials such as thick rattan weaving material. Specifically, asfigure 1 and figure 2 Shown, this chair back cushion comprises seat cushion 1, waist cushion 2 and back cushion 3, and one end of waist cushion 2 is hinged with the middle part of seat cushion 1, and the other end of waist cushion 2 is hinged with back cushion 3. Wherein, the front portion of the seat cushion 1 has a seat part 1a which is sunken inward and adapted to the shape of the buttocks of the human body. The joint between the raised part 1c and the raised part 2 1c and the waist pad 2 can be smoothly transitioned. When the human body...

Embodiment 2

[0031] The technical solution in this embodiment is basically the same as the technical solution in Embodiment 1. The difference is that in this embodiment, the positioning and installation structure includes limit clips 5 arranged on the left and right sides of the seat cushion 1, and also includes a fixed The rear snap hook 6 that is connected to the rear end of the cushion 1 and the stopper 7 that is fixedly connected to the lower surface of the front end of the cushion 1 are connected.

Embodiment 3

[0033] The technical solution in this embodiment is basically the same as the technical solution in Embodiment 1, the difference is that in this embodiment, the position of the support member 4 on the lower surface of the lumbar pad is not adjustable, such as Figure 4 As shown, the lower surface of the lumbar pad 2 has an inwardly recessed support top hole 21 , and the outer end of the support member 4 can be stuck in the support top hole 21 .

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PUM

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Abstract

The invention provides a back cushion for a chair, belonging to the technical field of daily living equipment. The problem that an effective hard support adapting to the human back shape cannot be provided is solved. The back cushion for the chair is made of hard plastics, and comprises a seat cushion, a waist cushion and a back cushion, wherein a positioning and mounting structure through which the seat cushion can be positioned on the chair is formed in the seat cushion; one end of the waist cushion is hinged with the middle of the seat cushion, and the other end of the waist cushion is hinged with the back cushion; the upper surface of the waist cushion is provided with a cambered surface I bending outside; a supporting piece used for supporting the waist cushion is hinged on the seat cushion; and the outer end of the supporting piece can be supported and popped up different positions on the lower surface of the waist cushion by virtue of a positioning and adjusting structure, and an angle of the waist cushion tilting relative to the seat cushion is adjusted by rotating the waist cushion around the seat cushion. According to the back cushion, the human back can always accept an effective hard support, so that people are comfortable to sleep or rest on the chair, and the health of body parts, such as cervical vertebra and lumbar vertebra, of users is effectively protected.

Description

technical field [0001] The invention belongs to the technical field of daily necessities, and relates to a back cushion for a chair. Background technique [0002] Seats are indispensable utensils in people's daily life and work. In the prior art, a chair generally includes structures such as a seat, a chair back, chair feet and armrests. Among them, the back of the chair generally adopts a vertically inclined structure. When people need to sit on the chair to rest, the structure of the back of the chair makes it difficult for the human body to fall asleep or sleep very uncomfortable. , It is easy to cause spinal distortion, cervical spine, lumbar disc herniation and lumbar muscle strain and other problems that endanger people's health. [0003] Especially office workers nap. With the acceleration of the pace of work and the expansion of cities, 90% of companies around the world will reserve time for employees to take lunch breaks, but the vast majority of companies do not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C3/16
CPCA47C3/16
Inventor 林志强
Owner 林志强