Double-lung structure of seat backrest waist support

Abstract

The utility model relates to the technical field of seats, in particular to a double-lung structure of a seat backrest waist support, which comprises a seat, a backrest is arranged on the seat, a notch is arranged at the front end of the backrest, the double-lung structure further comprises a double-lung waist support arranged in the notch, the double-lung waist support consists of a support plate and a soft wrapping layer, the soft wrapping layer is fixedly mounted at the front end of the support plate, and the double-lung waist support is arranged in the notch. The double-lung waist support is arranged on the back of a human body, the double-lung waist support is overturned towards the middle, the soft wrapping layers on the two sides are tightly attached to the back of the human body, the supporting plates and the soft wrapping layers are symmetrically arranged, a backrest framework is fixedly arranged in the seat, and a rubber supporting seat and a stabilizing spring mechanism are installed between the double-lung waist support and the backrest framework. When the double lung waist supports move towards the middle, the stabilizing spring mechanism conducts elastic supporting, the second bolt is guided by the first strip-shaped through hole, the side edges of the double lung waist supports are supported by the rubber supporting base, and the screw is guided by the second strip-shaped through hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to a seat technical field, concretely a seat backrest waist support's double lung structure. BACKGROUND

[0002] The existing seat, back waist rest position structure is fixed, cannot according to the back of different body shape person and thus, we invent a seat backrest waist support's double lung structure. INVENTION CONTENTS

[0003] The utility model discloses a seat backrest waist support's double lung structure to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A seat backrest waist support's double lung structure, including seat, be provided with backrest on the seat, the backrest front end is provided with the gap, still including setting in the gap inside double lung waist support, the double lung waist support is composed of the supporting plate and soft package layer, the supporting plate front end is fixedly installed with soft package layer, the supporting plate and soft package layer all are provided with two groups, and symmetric setting, the seat inside fixedly provided with backrest skeleton, the double lung waist support with backrest skeleton between installation has rubber support seat and stabilizing spring mechanism, the stabilizing spring mechanism sets up in the inboard of double lung waist support, the rubber support seat sets up in the outboard of double lung waist support.

[0006] In a preferred embodiment of the utility model, the backrest skeleton top is fixedly installed with fixed plate no.

[0007] In a preferred embodiment of the utility model, the fixed plate no. 1 is installed with stabilizing spring mechanism, and the fixed plate no. 2 is installed with rubber support seat.

[0008] In a preferred embodiment of the utility model, the rubber support seat includes rubber seat, the rubber seat rear end is fixedly installed with screw, the screw is arranged in the inner wall of strip-shaped through -hole no. 2, and the rubber seat front end is fixedly installed on the supporting plate through bolt no. 1.

[0009] In a preferred embodiment of the utility model, the stabilizing spring mechanism includes spring, the spring rear end is fixedly connected spring fixed plate no. 1, the spring fixed plate no. 1 rear end is installed on the fixed plate no. 1 through bolt no. 2, and the bolt no. 2 is arranged in the inner wall of strip-shaped through -hole no. 1.

[0010] In a preferred embodiment of the utility model, the spring front end is fixedly connected with the spring fixing plate two, and the spring fixing plate two front end is fixedly installed on the supporting plate through bolt three.

[0011] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be known by the practice of the utility model.

[0012] The seat is internally fixedly provided with a backrest framework, rubber support seats and stable spring mechanisms are installed between the double-lung waist supports and the backrest framework, the stable spring mechanisms are arranged at inner sides of the double-lung waist supports, the rubber support seats are arranged at outer sides of the double-lung waist supports, a person sits on the seat, leans back with the back, and the back is attached to the double-lung waist supports, the double-lung waist supports are turned to the middle, and the soft package layers on both sides are tightly attached to the back of the human body, when the double-lung waist supports move to the middle, the stable spring mechanisms elastically support, and the strip-shaped through holes one guide the bolts two, the rubber support seats support the side edges of the double-lung waist supports, and the strip-shaped through holes two guide the screws.

[0013] When the person leaves the seat, the double-lung waist supports can stably control the shape under the support of the rubber support seats and the stable spring mechanisms, so that the double-lung waist supports can stably recover the initial state and maintain good appearance integrity. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0015] Figure 1 It is a double-lung structure middle solid of a seat backrest waist support Figure 1 ;

[0016] Figure 2 It is a double-lung structure middle solid of a seat backrest waist support Figure 2 ;

[0017] Figure 3 It is a double-lung structure middle fixed plate one and fixed plate two structure schematic view of a seat backrest waist support

[0018] Figure 4 It is a double-lung structure middle rubber support seat, stable spring mechanism and supporting plate installation schematic of a seat backrest waist support Figure 1 ;

[0019] Figure 2 It is a double-lung structure middle rubber support seat, stable spring mechanism and supporting plate installation schematic of a seat backrest waist support Figure 6 ;

[0020] Figure 7 It is a double-lung structure middle supporting plate and soft package layer structure schematic view of a seat backrest waist support

[0021] Figure 3 Schematic diagram of the installation of the rubber support seat, stabilizing spring mechanism and support plate in the double lung structure of a seat back lumbar support Figure 8 ;

[0022] Figure 9 A schematic diagram of the installation of a rubber support seat, a stabilizing spring mechanism, and a backrest frame in a double-lung structure of a seat back lumbar support;

[0023] Figure 10 A three-dimensional diagram of the backrest frame in a double-lung structure of a seat back lumbar support;

[0024] Figure 11 A schematic diagram of the stabilizing spring mechanism in a double-lung structure for a seat back lumbar support;

[0025] Figures 1-11 This is a schematic diagram of the rubber support seat structure in a double-lung structure of a seat back lumbar support.

[0026] In the figure: seat 100, backrest 110, notch 120, double-lung lumbar support 200, support plate 210, soft cover 220, backrest frame 300, fixing plate 1 310, strip through hole 1 311, fixing plate 2 320, strip through hole 2 321, rubber support seat 400, rubber seat 410, screw 420, bolt 1 430, stabilizing spring mechanism 500, spring 510, spring fixing plate 1 520, spring fixing plate 2 530, bolt 2 540, bolt 3 550. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0028] Please refer to ​The application discloses a double-lung structure of a seat back waist support, which comprises a seat 100, wherein a backrest 110 is arranged on the seat 100, a gap 120 is formed in the front end of the backrest 110, a double-lung waist support 200 is arranged in the gap 120, the double-lung waist support 200 is composed of a support plate 210 and a soft wrapping layer 220, the soft wrapping layer 220 is fixedly installed at the front end of the support plate 210, the support plate 210 and the soft wrapping layer 220 are both provided with two groups and are symmetrically arranged, a backrest framework 300 is fixedly arranged in the seat 100, a rubber support seat 400 and a stabilizing spring mechanism 500 are arranged between the double-lung waist support 200 and the backrest framework 300, the stabilizing spring mechanism 500 is arranged on the inner side of the double-lung waist support 200, and the rubber support seat 400 is arranged on the outer side of the double-lung waist support 200, specifically, the gap 120 is arranged to facilitate the double-lung waist support 200, the double-lung waist support 200 has the functions of supporting and wrapping the human back, the back is attached to the double-lung waist support 200, the double-lung waist support 200 is turned to the middle and the soft wrapping layers 220 on both sides are tightly attached to the human back.

[0029] A fixed plate one 310 is fixedly installed above the backrest framework 300, a fixed plate two 320 is fixedly installed below the backrest framework 300, strip-shaped through holes one 311 are formed in the two sides of the fixed plate one 310, strip-shaped through holes two 321 are formed in the two sides of the fixed plate two 320, the strip-shaped through holes two 321 are provided with two groups, the stabilizing spring mechanism 500 is installed on the fixed plate one 310, and the rubber support seat 400 is installed on the fixed plate two 320, specifically, the stabilizing spring mechanism 500 is elastically supported, the strip-shaped through holes one 311 guide the bolts two 540, the rubber support seat 400 supports the side edges of the double-lung waist support 200, and the strip-shaped through holes two 321 guide the screws 420.

[0030] The rubber support seat 400 comprises a rubber seat 410, the screws 420 are fixedly installed at the rear end of the rubber seat 410 and are arranged on the inner wall of the strip-shaped through holes two 321, and the rubber seat 410 is fixedly installed on the support plate 210 through the bolts one 430 at the front end, specifically, the rubber support seat 400 has the positioning function for the double-lung waist support 200.

[0031] The stable spring mechanism 500 comprises a spring 510, the rear end of the spring 510 is fixedly connected with a spring fixed plate one 520, the rear end of the spring fixed plate one 520 is installed on the fixed plate one 310 through a bolt two 540, the bolt two 540 is arranged on the inner wall of the strip-shaped through hole one 311, the front end of the spring 510 is fixedly connected with a spring fixed plate two 530, the front end of the spring fixed plate two 530 is fixedly installed on the supporting plate 210 through a bolt three 550, specifically, the stable spring mechanism 500 has an elastic supporting effect on the double lung waist support 200, the initial position of the double lung can be ensured, and the initial design state can be quickly recovered after the human body leaves the backrest, and the appearance is ensured to be beautiful.

[0032] The working principle of the utility model is: people sit on the seat 100, back to rely on, back to fit double lung waist support 200, double lung waist support 200 turn over to the middle, and the soft package layer 220 on both sides is close to human body back, when double lung waist support 200 moves to the middle, stable spring mechanism 500 carries out elastic support, and strip-shaped through hole one 311 guides bolt two 540, rubber support seat 400 supports the side of double lung waist support 200, and strip-shaped through hole two 321 guides screw 420.

[0033] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that: in the case where the principles and purposes of the utility model are not departed from, the embodiments can be changed, modified, replaced and changed in many ways, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A double lung structure of a lumbar support of a seat backrest, comprising a seat (100), wherein a backrest (110) is arranged on the seat (100), and a gap (120) is arranged at a front end of the backrest (110), characterized in that: Also include the gap (120) inside the double lung lumbar support (200) is set, the double lung lumbar support (200) is composed of the supporting plate (210) and the soft package layer (220), the soft package layer (220) is fixedly installed in the front end of the supporting plate (210), the supporting plate (210) and the soft package layer (220) are provided with two groups, and symmetrically arranged, the seat (100) is fixedly provided with the backrest framework (300) inside, the double lung lumbar support (200) is installed with the rubber support seat (400) and the stable spring mechanism (500) between the backrest framework (300), the stable spring mechanism (500) is arranged in the inside of the double lung lumbar support (200), and the rubber support seat (400) is arranged in the outside of the double lung lumbar support (200).

2. The dual lung structure of a lumbar support of a seat back according to claim 1, wherein The backrest framework (300) is fixedly installed with the fixed plate one (310) above, the fixed plate two (320) is fixedly installed below the backrest framework (300), the strip-shaped through hole one (311) is formed in the both sides of the fixed plate one (310), the strip-shaped through hole two (321) is formed in the both sides of the fixed plate two (320), and the strip-shaped through hole two (321) is provided with two groups.

3. The dual lung structure of a lumbar support of a seat back according to claim 2, wherein The stable spring mechanism (500) is installed on the fixed plate one (310), and the rubber support seat (400) is installed on the fixed plate two (320).

4. The dual lung structure of a lumbar support of a seat back according to claim 3, wherein The rubber support seat (400) comprises a rubber seat (410), a screw (420) is fixedly installed at the rear end of the rubber seat (410), the screw (420) is arranged on the inner wall of the strip-shaped through hole two (321), and the rubber seat (410) is fixedly installed on the supporting plate (210) through a bolt one (430) at the front end.

5. The dual lung structure of a lumbar support of a seat back according to claim 3, wherein The stable spring mechanism (500) comprises a spring (510), the spring (510) is fixedly connected with a spring fixed plate one (520) at the rear end, the spring fixed plate one (520) is installed on the fixed plate one (310) through a bolt two (540) at the rear end, and the bolt two (540) is arranged on the inner wall of the strip-shaped through hole one (311).

6. The dual lung structure of a lumbar support of a seat back according to claim 5, wherein The spring (510) is fixedly connected with a spring fixed plate two (530) at the front end, and the spring fixed plate two (530) is fixedly installed on the supporting plate (210) through a bolt three (550) at the front end.

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