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Adjustable waist rest device

A technology of leaning on waist and hinges, applied to stools, sofas, and other seating furniture, etc., can solve the problems of susceptibility to lumbar herniation, poor strength of leaning on the waist, unsatisfactory effect of leaning on the waist, etc., and achieves a simple structure. , stable and comfortable, adjust the effect of large activity space

Pending Publication Date: 2021-09-24
李万山
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In modern life, people spend more and more sedentary office hours, which makes people prone to lumbar spine disease. This is because the commonly used sofas are mainly backrests, and the lumbar spine of the human body is suspended, and there is no support for the waist. The lumbar spine is forced to bend backwards, which is prone to symptoms of lumbar disc herniation. Although many people will place pillows on the back of the seat to support the waist, the position of the waist is not strong enough, and the effect of the waist is not satisfactory.

Method used

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Examples

Experimental program
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Embodiment

[0015] 1. If figure 1 , figure 2 and image 3 , Figure 4 As shown, an adjustable waist connection device includes a fixed seat (1), a bolt hole (2-1), a bolt hole (2-2), a rebound hinge (3-1), a rebound hinge (3- 2), telescopic rod (4), cross bar (5) form. It is characterized by:

[0016] The waist device is composed of movable brackets that can be adjusted at will: wherein the cross bar (5) is movably connected with the external waist parts, the cross bar (5) is vertically fixedly connected with the movable end of the telescopic rod (4), and the cross bar (5) can be used for up and down Move and adjust the height position of the cross bar (5), the external lumbar part moves with the cross bar (5) to adapt to the position of supporting the human lumbar spine; The hinge (3-2) is fixedly connected in parallel, and the telescopic rod (4) and the cross bar (5) can be adjusted back and forth around the rebound hinge (3-1) and the rebound hinge (3-2); the rebound hinge (3 -1...

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Abstract

The invention relates to an adjustable waist rest connecting device which is characterized in that the adjustable waist rest connecting device comprises a fixed seat and a cross rod, the fixed seat is vertically, symmetrically and fixedly connected with two hinges, bolt holes are formed in the two ends of the fixed seat, the other ends of the two hinges are fixedly connected with a telescopic rod in parallel, and the other end of the telescopic rod is fixedly connected with the cross rod. The cross rod, the fixed seat, the hinge and the telescopic rod device are arranged and installed in the middle of the lower end of the seat backrest, waist rest parts can be freely added to the seat sofa backrest, the structure is simple, installation is convenient, connection is firm and safe, and the double functions of the seat waist rest and the backrest are achieved.

Description

technical field [0001] The invention belongs to the technical field of furniture hardware, in particular to a functional accessory for the backrest of a seat and sofa. Background technique [0002] In modern life, people spend more and more sedentary office hours, which makes people prone to lumbar spine disease. This is because the commonly used sofas are mainly backrests, and the lumbar spine of the human body is suspended, and there is no support for the waist. The lumbar spine is forced to bend backwards, which is prone to symptoms of lumbar disc herniation. Although many people will place pillows on the back of the seat to support the waist, the position of the waist is not strong enough, and the effect of the waist is not satisfactory. [0003] Therefore, adding movable lumbar parts to the backrest of the seat and sofa can effectively improve and relieve the stress on the waist, realize the double function of the seat backrest, and improve the comfort of the seat and s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C7/40A47C17/86
CPCA47C7/40A47C17/86
Inventor 李万山
Owner 李万山
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