Unlock instant, AI-driven research and patent intelligence for your innovation.

Adjustable sofa backrest

An adjustable sofa technology, applied in the field of functional sofas or seats, and sofa backrests, can solve the problems of increased overall thickness of the backrest part, poor operating stability of the actuator, and asynchronous movements, so as to improve the comfort experience and avoid Asynchronous action, overcoming the effect of friction and abnormal noise

Pending Publication Date: 2021-12-03
KUKA HOME
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the most direct impact is that the overall thickness of the backrest will increase, and the thickness of the backrest sponge that is in direct contact with the user's back will decrease, thereby reducing the user's comfort experience
[0009] 2. The actuator cannot change the length of the headrest or the copy part:
In this way, when the user is tall or the sofa backrest is overall small, it cannot provide sufficient comfort support for the user's head
[0011] 3. The connection relationship between the components is unreliable, and the operating stability of the actuator is poor:
In this way, after long-term use, when the actuators on both sides operate, the phenomenon of asynchronous movement will occur, and these phenomena will be transformed into friction, abnormal noise and impact vibration, and act on the user's back through the backrest sponge. In the end, it will also reduce the user's comfort experience

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Adjustable sofa backrest
  • Adjustable sofa backrest
  • Adjustable sofa backrest

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 , Figure 6 and Figure 7As shown, a kind of sofa backrest that can be retracted and its headrest and lumbar support are movable, includes a driving motor 1, and also includes a motor fixing beam 2, a balance board 3 and multifunctional brackets 4 respectively arranged on the left and right sides of the balance board 3 , connect one end of the motor to the motor fixing beam 2, and connect the other end of the motor to the back of the balance board 3, and the balance board 3 will extend the multi-function support 4 and bend the top of the multi-function support 4 under the push of the motor 1 , the bottom is upturned; Wherein, the headrest position of the corresponding sofa backrest of the top of multifunctional support 4, the waist support of the corresponding sofa backrest of the bottom of multifunctional support 4, the backrest body of the front corresponding sofa back of balance plate 3.

[0038] In this embodiment, the functions of the sofa backre...

Embodiment 2

[0040] Embodiment 2 is an improvement of Embodiment 1, specifically an improvement on the multifunctional bracket in Embodiment 1.

[0041] Such as Figure 5 As shown in the above-mentioned retractable sofa backrest with a movable headrest and lumbar support, the multi-function bracket 4 includes a mounting part 5 for connecting with the balance board 3, and also includes a mounting part 5 that is slidably arranged relative to the mounting part 5. The slide plate 6 and the headrest mounting plate 7, the lumbar support mounting plate 8 and the pull rod 9 connecting the headrest mounting plate 7 and the lumbar support mounting plate 8 are rotatably arranged on the top and bottom of the mounting plate 5 respectively, wherein, One side of the lumbar support mounting plate 8 is provided with a pulley 10, and the upper and lower block pieces 11 that limit the moving distance of the pulley 10 are set on the slide plate 6, and one side of the headrest mounting plate 7 is rotationally ...

Embodiment 3

[0044] Embodiment 3 is an improvement on Embodiment 1 that is parallel to Embodiment 2, and is specifically an improvement on the multifunctional bracket in Embodiment 1.

[0045] Such as figure 2 , image 3 and Figure 4 As shown in the above-mentioned retractable sofa backrest with a movable headrest and lumbar support, the multifunctional bracket 4 includes a mounting part 5' for connecting with the balance board 3, and also includes a slide plate 14 and a slide rail assembly 15 , the base sheet 16, the headrest mounting plate 7, the waist support mounting plate 8 and the pull rod 9; the slide rail assembly 15 includes a slide rail bottom 151 fixedly arranged on the base sheet 16 and a slide rail sheet 152 slidingly connected with the slide rail bottom 151 , the slide piece 14 is connected with the slide rail piece 152, and the headrest mounting plate 7, the plate mounting part 5' and the lumbar support mounting plate 8 are arranged in sequence on the upper, middle and l...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a sofa or a seat with an adjusting function. The invention especially relates to an adjustable sofa backrest. The sofa backrest comprises a balance plate (3) and multifunctional supports (4) arranged on the left side and the right side of the balance plate (3) respectively, one end of a motor is connected with a motor fixing beam (2), and the other end of the motor is connected with the back surface of the balance plate (3). The balance plate (3) extends the multifunctional supports (4) under the pushing of the motor (1) and enables the tops of the multifunctional supports (4) to be bent downwards and the bottoms of the multifunctional supports (4) to be warped upwards; and the top of each multifunctional support (4) corresponds to a headrest part of the sofa backrest, the bottom of each multifunctional support (4) corresponds to a waist support of the sofa backrest, and the front side of the balance plate (3) corresponds to a backrest body of the sofa backrest. Compared with a traditional functional sofa backrest, the sofa backrest disclosed by the invention provides a longer backrest body and a more flexible and movable headrest and waist support function so that the practical comfort of the sofa backrest is improved.

Description

technical field [0001] The invention relates to the field of living furniture or office furniture, in particular to a functional sofa or seat with an adjustment function to change the posture of a user; in particular, it is a retractable sofa backrest with a movable headrest and waist support. Background technique [0002] With the improvement of living standards, sofas with a single posture have been gradually marginalized by the market. Instead, it is a functional sofa that has a variety of different forms and can be combined and switched to change the user's riding posture. [0003] A functional sofa usually includes a backrest part, a seat cushion part and a footrest part; these three parts are linked in sequence and change their mutual angles so that the functional sofa can switch between sitting, semi-recumbent and prone positions . [0004] Although the functional sofa can be switched between the above three forms, the user's back and legs can be comfortably support...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A47C20/10A47C7/40A47C7/46A47C7/38
CPCA47C20/10A47C7/402A47C7/462A47C7/38
Inventor 李云海姚有贵屠家会厉威杨
Owner KUKA HOME