Leisure sofa with adjustable waist support

By installing an adjustable lumbar support on the sofa backrest, and utilizing the sliding connection between the slider and the slide rail, as well as the Velcro adhesive strip, the problem of the sofa's inability to adjust lumbar support is solved, thus improving the sofa's comfort and aesthetics.

CN224055634UActive Publication Date: 2026-03-31XINCAI COUNTY KEXIU HOME FURNISHING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing sofas cannot adjust lumbar support according to people of different body weights, which affects comfort.

Method used

An adjustable lumbar support is installed on the back of the sofa. The position of the lumbar support can be adjusted and locked by sliding the slider to the slide rail, combined with Velcro tape, which enhances the flexibility and fixation of lumbar support.

Benefits of technology

It enables flexible adjustment and quick locking of the lumbar support position, improving the comfort and aesthetics of the sofa.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224055634U_ABST
    Figure CN224055634U_ABST
Patent Text Reader

Abstract

The utility model discloses a leisure sofa with an adjustable waist support, which comprises a sofa body, a backrest is arranged at the upper end of the sofa body, and the adjustable waist support is attached to the surface of the backrest; according to the utility model, the slide rail is fixed on the inner frame of the sofa body, the slide block connected with the slide rail is arranged on the back surface of the adjustable waist support of the backrest, and the adjustable waist support is pushed along the surface of the backrest, so that the slide block of the adjustable waist support and the slide rail of the inner frame slide, and the position of the adjustable waist support on the surface of the backrest is adjustable; when the position of the waist support is adjusted properly, the adjustable waist support can be fixed at any position on the backrest by bonding the second bonding belts sewn on the two sides of the adjustable waist support with the first bonding belts sewn on the two sides of the backrest respectively, and by the adoption of the structure, the adjustable waist support can be quickly locked at any position while sliding adjustment is achieved, and the adjustable waist support is convenient to use. And by combining the edge covering belts on the two sides of the backrest, the attractiveness of the bonding part can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a sofa technical field especially relates to a adjustable leisure sofa of waist support. BACKGROUND

[0002] The sofa has been many families necessary furniture, the sofa that market sells generally has low back sofa, high back sofa and the ordinary sofa between the former two, "sofa" is a foreign word, according to the English word sofa transliteration comes, for a kind of soft seat chair, is equipped with spring or thick foam plastic and so on backrest chair, both sides have armrest, is a kind of software furniture.

[0003] Many sofas currently have the function of adjusting headrest to adapt to people of different body weight, but the support for the waist cannot be changed, which is relatively rigid and affects comfort.

[0004] Therefore, a adjustable leisure sofa of waist support is provided, which has the advantages of easy and quick adjustment and locking of the waist support, thereby solving the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a adjustable leisure sofa of waist support.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a adjustable leisure sofa of waist support, including sofa body, the upper end of sofa body is provided with backrest, and the surface of backrest is attached with adjustable waist support, the inside of sofa body is provided with inner frame, and the surface of inner frame is sequentially attached from bottom to top with arc sponge pad and long straight sponge pad, the upper end of inner frame is fixed with slide rail corresponding to long straight sponge pad, the back of adjustable waist support is fixed with sliding block, and the sliding block is connected with slide rail through long straight sponge pad and is connected slidingly, the both sides of backrest of sofa body are respectively sewn with first adhesive tape, the both sides of adjustable waist support are respectively sewn with second adhesive tape, and one end of second adhesive tape is attached with first adhesive tape on the side of backrest, the bottom of sofa body is provided with swing base frame connected with inner frame, and the both sides of sofa body are respectively sewn with edge band corresponding to first adhesive tape.

[0007] As a further description of the above technical scheme: the swing base frame is composed of a plurality of connecting struts arranged on the concave surface of the circular arc plate, and the plurality of connecting struts of the swing base frame are fixedly connected with the bottom of the inner frame.

[0008] As a further description of the above technical scheme: the first adhesive tape is provided with a Velcro hook surface, and the second adhesive tape is provided with a Velcro loop surface.

[0009] As a further description of the above technical solution: the long straight sponge pad is provided with a displacement slot on the side facing the inner frame, and the size of the displacement slot is matched with the size of the sliding rail.

[0010] As a further description of the above technical solution: the middle position of the back surface is provided with an adjusting slot, and the inner side width of the adjusting slot is matched with the size of the sliding block.

[0011] As a further description of the above technical solution: the sliding rail is provided with a sliding channel with T-shaped structure corresponding to the sliding block.

[0012] The utility model has the advantages of:

[0013] In the utility model, the sliding rail is fixed on the inner frame of the sofa body, and the sliding block connected with the sliding rail is arranged on the back of the adjustable waist support of the back, the adjustable waist support is pushed along the back surface, the sliding block of the adjustable waist support and the sliding rail of the inner frame are caused to slide, the position of the adjustable waist support on the back surface is adjustable, when the position of the waist support is adjusted properly, the second adhesive tape on both sides of the adjustable waist support is adhered with the first adhesive tape on both sides of the back respectively, the fixing of the adjustable waist support at any position on the back is realized, the structure is adopted, the adjustable waist support is easily and quickly locked at any position while meeting the sliding adjustment, the setting of the edge covering tape on both sides of the back is beneficial to improving the appearance of the adhesive part. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the adjustable waist support leisure sofa.

[0015] Figure 2 It is a sectional view of the sofa body.

[0016] Figure 3 It is a structure schematic view of the back.

[0017] Figure 4 It is a three-dimensional view of the long straight sponge pad.

[0018] LEGEND:

[0019] 1, sofa body; 2, swing chassis; 3, back; 4, adjustable waist support; 5, edge covering tape; 6, first adhesive tape; 7, second adhesive tape; 8, inner frame; 9, arc-shaped sponge pad; 10, long straight sponge pad; 11, sliding rail; 12, sliding block; 13, adjusting slot; 14, displacement slot; 15, strip-shaped opening. DETAILED DESCRIPTION

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] According to an embodiment of the present invention, an adjustable lumbar support lounge sofa is provided.

[0022] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figures 1-4 As shown, an adjustable lumbar support lounge sofa according to an embodiment of the present invention includes a sofa body 1, a backrest 3 at the upper end of the sofa body 1, and an adjustable lumbar support 4 fitted onto the surface of the backrest 3. An inner frame 8 is provided inside the sofa body 1, and an arc-shaped sponge pad 9 and a long straight sponge pad 10 are sequentially glued to the surface of the inner frame 8 from bottom to top. A slide rail 11 is fixed to the upper end of the inner frame 8 corresponding to the long straight sponge pad 10. A slider 12 is fixed to the back of the adjustable lumbar support 4, and the slider 12 penetrates the long straight sponge pad. The cushion 10 is slidably connected to the slide rail 11. The backrest 3 of the sofa body 1 is sewn with a first adhesive tape 6 on both sides. The adjustable lumbar support 4 is sewn with a second adhesive tape 7 on both sides. One end of the second adhesive tape 7 is bonded to the first adhesive tape 6 on the side of the backrest 3. The bottom of the sofa body 1 is provided with a swing base 2 connected to the inner frame 8. The left and right sides of the sofa body 1 are respectively sewn with edging tape 5 corresponding to the first adhesive tape 6. The outer surface of the sofa body 1 is covered with a layer of fleece or genuine leather cover.

[0023] In one embodiment, the swing base 2 is composed of an arc plate and several connecting struts with concave surfaces, and the several connecting struts of the swing base 2 are all fixedly connected to the bottom of the inner frame 8. With this structure, the sofa body 1 is reliably supported and the sofa body 1 can swing easily, making it comfortable and relaxing.

[0024] In one embodiment, the first adhesive tape 6 is provided with a hook and loop side, and the second adhesive tape 7 is provided with a rough hook and loop side. This structure facilitates the bonding of the first adhesive tape and the second adhesive tape 7.

[0025] In one embodiment, the side of the long straight sponge pad 10 facing the inner frame 8 has a relief groove 14, and the size of the relief groove 14 is adapted to the size of the slide rail 11. The side of the long straight sponge pad 10 away from the inner frame 8 has a strip opening 15, and the strip opening 15 is connected to the relief groove 14. With this structure, it is easy to increase the compatibility between the long straight sponge pad 10 and the slide rail 11, and it is easy for the slider 12 to slide.

[0026] In one embodiment, the middle position of the backrest 3 surface is provided with an adjusting slot 13, and the inside width of the adjusting slot 13 is matched with the size of the sliding block 12. Through the structure, the movement of the sliding block 12 is easily accommodated.

[0027] In one embodiment, the sliding rail 11 is provided with a T-shaped sliding groove corresponding to the sliding block 12. The sliding block 12 is also T-shaped. Through the structure, the sliding between the sliding rail 11 and the sliding block 12 is easily realized.

[0028] Working principle:

[0029] In use, the adjustable waist support 4 is pushed along the surface of the backrest 3 to cause the sliding block 12 of the adjustable waist support 4 to slide with the sliding rail 11 of the inner frame 8. At this time, the sliding block 12 moves in the adjusting slot 13 provided on the surface of the backrest 3, so that the position of the adjustable waist support 4 on the surface of the backrest 3 is adjustable. When the waist support position is adjusted properly, the second adhesive tape 7 sewn on both sides of the adjustable waist support 4 is adhered to the first adhesive tape 6 sewn on both sides of the backrest 3, so as to fix the adjustable waist support 4 at any position on the backrest 3. At the same time, since the edge cover tape 5 is sewn on both sides of the backrest 3, and the edge cover tape 5 can cover the first adhesive tape 6, the adhesive position of the first adhesive tape and the second adhesive tape 7 is covered, so as to improve the overall appearance of the sofa body 1.

[0030] Finally, it should be pointed out that: the above description is only the preferred embodiment of the present application, and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable reclining sofa with lumbar support comprising a sofa body (1) characterized in that: The upper end of the sofa body (1) is provided with a backrest (3), and the surface of the backrest (3) is attached with an adjustable waist support (4); the inside of the sofa body (1) is provided with an inner frame (8), and the surface of the inner frame (8) is sequentially attached from bottom to top with an arc sponge pad (9) and a long straight sponge pad (10); the upper end of the inner frame (8) is fixed with a slide rail (11) corresponding to the long straight sponge pad (10); the back of the adjustable waist support (4) is fixed with a sliding block (12), and the sliding block (12) is slidingly connected with the slide rail (11) through the long straight sponge pad (10); the backrest (3) of the sofa body (1) is respectively sewn with a first adhesive tape (6) on both sides; the adjustable waist support (4) is respectively sewn with a second adhesive tape (7) on both sides, and one end of the second adhesive tape (7) is attached with the first adhesive tape (6) on the side of the backrest (3); the bottom of the sofa body (1) is provided with a swing base (2) connected with the inner frame (8), and the left and right sides of the sofa body (1) are respectively sewn with a binding tape (5) corresponding to the first adhesive tape (6).

2. The adjustable reclining sofa with lumbar support of claim 1, wherein: The swing base (2) is composed of a circular arc plate and a plurality of connecting struts provided on the concave surface of the circular arc plate, and the plurality of connecting struts of the swing base (2) are fixedly connected with the bottom of the inner frame (8).

3. The adjustable reclining sofa with lumbar support of claim 1, wherein: The first adhesive tape (6) is provided with a magic hook surface, and the second adhesive tape (7) is provided with a magic hair surface.

4. The adjustable reclining sofa with lumbar support of claim 1, wherein: The long straight sponge pad (10) is provided with a displacement slot (14) on the side facing the inner frame (8), and the size of the displacement slot (14) is matched with the size of the slide rail (11); the long straight sponge pad (10) is provided with a strip-shaped opening (15) on the side away from the inner frame (8), and the strip-shaped opening (15) is communicated with the displacement slot (14).

5. The adjustable reclining sofa with lumbar support of claim 1, wherein: The backrest (3) is provided with an adjusting groove (13) in the middle position of the surface, and the width of the adjusting groove (13) is matched with the size of the sliding block (12).

6. The adjustable reclining sofa with lumbar support of claim 1, wherein: The slide rail (11) is provided with a slide channel with a T-shaped cross section corresponding to the sliding block (12), and the sliding block (12) has a T-shaped cross section.