Waist rest structure of seat

Abstract

The utility model discloses a waist rest structure of a seat, which comprises a shell, one end of the shell is provided with an arc-shaped soft plate, one end of the shell far away from the arc-shaped soft plate is in threaded connection with a screw rod, the screw rod movably penetrates through and extends into the shell, one end of the screw rod is fixedly connected with a rotating ring, and the other end of the screw rod is fixedly connected with a waist rest. The other end of the screw rod is rotationally connected with a fixing frame, two air nozzles are arranged at the end, corresponding to the position of the screw rod, of the shell, the air nozzles fixedly penetrate through and extend into the shell, and the air bag is far away from or close to the memory sponge, so that the memory sponge is compressed or expanded, and the hardness of the arc-shaped soft plate is adjusted; meanwhile, the air bags can be adjusted and inflated or deflated, so that the hardness of the air bags is changed, meanwhile, the two air bags can be adjusted respectively, the hardness of the upper portion or the lower portion of the arc-shaped soft plate is adjusted, the waist of a user can be better supported, and use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of seat waist rest, especially relates to a seat waist rest structure. BACKGROUND

[0002] Chair is frequently used furniture in daily life, and its appearance structure is various, and the existing office chair increases the waist rest structure in order to increase the comfort of the seat.

[0003] But some existing waist rest structure is inconvenient to adjust its hardness in the process of using, and is inconvenient to use. INVENTION CONTENTS

[0004] In order to solve the problems in the prior art, the utility model provides a seat waist rest structure, memory sponge is away from or close to air bag, memory sponge is compressed or expanded, the hardness of arc soft plate is adjusted, air bag is adjusted, air inflation or deflation, the hardness of air bag is changed, two air bags are adjusted, the hardness of the upper or lower of arc soft plate is adjusted, the waist of user is better supported, and use is more convenient.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a seat waist rest structure, including the shell, one end of the shell is equipped with arc soft plate, the one end of the shell away from arc soft plate is connected with screw rod in screw, the screw rod is active and is extended to the inside of shell, one end of the screw rod is fixedly connected with swivel ring, the other end of the screw rod is rotatably connected with fixed frame, the one end of the shell corresponding screw rod position is equipped with two air taps, the air tap is fixedly extended to the inside of shell, one end of the air tap is equipped with hose, the one end of the hose away from air tap is fixedly connected with air bag, the inside of the shell is fixedly connected with baffle, the air bag is active and is extended through baffle, arc soft plate and baffle are equipped with memory sponge.

[0006] Further, one end of the fixed frame corresponding screw rod position is fixedly connected with two telescopic rods, and the other end of the telescopic rod away from the fixed frame is fixedly connected with the inside of the shell.

[0007] Further, the two ends of the hose are respectively connected with the inside of the air bag and the air tap.

[0008] Compared with the prior art, the utility model has the advantages of:

[0009] 1. By the air bag away from or close to the memory sponge, the memory sponge is compressed or expanded, so as to adjust the softness and hardness of the arc-shaped soft plate, and the air bag can also be adjusted, inflated or deflated, so as to change the softness and hardness of the air bag, and the two air bags can also be adjusted respectively, so as to adjust the softness and hardness of the upper or lower arc-shaped soft plate, so as to provide better support for the waist of the user, and the use is more convenient.

[0010] 2. When the softness and hardness of the arc-shaped plate need to be adjusted, the screw rod can be driven to rotate by rotating the rotating ring, and the fixed frame is limited by the telescopic rod, so that the screw rod drives the fixed frame to move, and the fixed frame drives the air bag to move. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a whole structure schematic view of the utility model.

[0012] Figure 2 It is a whole structure sectional view of the utility model Figure One .

[0013] Figure 3 It is a whole structure sectional view of the utility model Figure Two .

[0014] In the drawing: 1, shell; 2, arc-shaped soft plate; 3, screw rod; 4, fixed frame; 5, air bag; 6, hose; 7, air cock; 8, baffle; 9, memory sponge. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. EMBODIMENT

[0017] Referring to the drawings Figures 1-3As shown, a waist support structure of a seat, including a shell 1, one end of the shell 1 is provided with an arc-shaped soft plate 2, the end of the shell 1 away from the arc-shaped soft plate 2 is threadedly connected with a screw rod 3, the screw rod 3 movably penetrates and extends to the inside of the shell 1, one end of the screw rod 3 is fixedly connected with a rotating ring, the other end of the screw rod 3 is rotatably connected with a fixed frame 4, one end of the shell 1 corresponding to the position of the screw rod 3 is provided with two air nozzles 7, the air nozzles 7 fixedly penetrate and extend to the inside of the shell 1, one end of the air nozzles 7 is provided with a hose 6, the end of the hose 6 away from the air nozzles 7 is fixedly connected with an air bag 5, the inside of the shell 1 is fixedly connected with a baffle 8, the air bag 5 movably penetrates the baffle 8, the arc-shaped soft plate 2 and the baffle 8 are provided with a memory sponge 9.

[0018] One end of the fixed frame 4 corresponding to the position of the screw rod 3 is fixedly connected with two telescopic rods, the other end of the telescopic rods away from the fixed frame 4 is fixedly connected with the inside of the shell 1.

[0019] The two ends of the hose 6 are respectively connected with the inside of the air bag 5 and the air nozzle 7.

[0020] Working principle: the shell 1 is installed on the seat, when it is needed to adjust the softness and hardness of the arc-shaped plate, the screw rod 3 can be driven to rotate by rotating the rotating ring, the fixed frame 4 is limited by the telescopic rods, so the screw rod 3 drives the fixed frame 4 to move, the fixed frame 4 drives the air bag 5 to move, the memory sponge 9 is compressed or expanded by the air bag 5 away from or close to the memory sponge 9, so that the softness and hardness of the arc-shaped soft plate 2 is adjusted, at the same time, the air bag 5 can be adjusted to be inflated or deflated, so that the softness and hardness of the air bag 5 is changed, at the same time, the two air bags 5 can be adjusted respectively, so that the softness and hardness above or below the arc-shaped soft plate 2 is adjusted, which can provide better support for the waist of the user, and the use is more convenient.

[0021] The basic principle and main features of the present application are shown and described, and the advantages of the present application are obvious to those skilled in the art, and the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any figure mark in the claims should not be regarded as limiting the claims.

[0022] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A waist rest structure of a seat, comprising a housing (1), one end of the housing (1) being provided with an arc-shaped soft plate (2), characterized in that: The shell (1) is away from the arc-shaped soft board (2) one end of the threaded connection has screw rod (3), the screw rod (3) activity through and extend to the inside of the shell (1), one end of the screw rod (3) is fixedly connected with the rotating ring, the other end of the screw rod (3) is rotatably connected with the fixed frame (4), the shell (1) corresponding screw rod (3) position one end is equipped with two air nozzle (7), the air nozzle (7) fixedly through and extend to the inside of the shell (1), one end of the air nozzle (7) is equipped with the hose (6), the hose (6) is away from the air nozzle (7) one end fixedly connected with the air bag (5), the inside of the shell (1) is fixedly connected with the baffle (8), the air bag (5) activity through the baffle (8), the arc-shaped soft board (2) and baffle (8) between the memory sponge (9) is provided with.

2. The lumbar support structure for a seat as set forth in claim 1, wherein: The fixed frame (4) corresponding screw rod (3) position one end is fixedly connected with two telescopic rods, the telescopic rod is away from the fixed frame (4) one end and the inside of the shell (1) is fixedly connected.

3. The lumbar support structure for a seat as set forth in claim 1, wherein: The both ends of the hose (6) are respectively connected with the air bag (5) and the inside of the air nozzle (7) is communicated.

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