Self-adaptive adjustment supporting back cushion

Abstract

The utility model relates to a self-adaptive adjustment support back cushion, which is applied to the technical field of office furniture and massagers and comprises a seat cushion, a backrest, a back cushion, a moving component and a pressure sensor, a mounting box is arranged at the bottom of the seat cushion, and a human body inductive switch is arranged on the seat cushion. During use, when a user sits on the cushion, the human body induction switch takes effect to detect that a person sits on the cushion, the moving assembly drives the vertical part of the backrest to move towards the cushion, so that the back cushion is attached to the waist or the back of the user, resistance can be generated after the backrest is attached to the human body, the backrest slightly deforms, and the user feels comfortable. At the moment, the pressure sensor attached to the horizontal part of the backrest detects the pressure change, and the running direction and the stop position of the backrest are controlled according to the pressure change detected by the pressure sensor, so that the self-adaptive effect is achieved, and a user can obtain better use experience.

Description

TECHNICAL FIELD

[0001] The utility model relates to office furniture and massager technical field especially is involved in a kind of self-adapting adjustment's support back cushion. BACKGROUND

[0002] The seat is usually a kind of chair with backrest, which is for people to sit down. With the development of time, the concept of chair gradually expands, and now refers to a kind of chair with backrest and / or armrest. The seat can be classified according to different use occasions and materials, such as child safety seat, airport seat, car seat, bus seat, home seat, restaurant seat, etc.

[0003] With the increasing demand for seats, the existing seat waist support adjustment to adapt to the human body has mainly two ways, one is to use mechanical spring waist tracking, which relies on spring and knob puller to manually adjust the waist support forward and backward, which lacks intelligent adjustment capability, and cannot automatically adjust the strength and position of waist support according to the user's body shape and sitting posture, resulting in discomfort when using the seat for a long time. The second way is to realize automatic adjustment of waist support through air bag, but the air bag changes the ergonomic curve after inflation, which cannot well support the human waist and also makes the waist feel foreign, affecting user experience.

[0004] Therefore, there is an urgent need for a self-adapting adjustment's support back cushion to solve the above problems. INVENTION CONTENTS

[0005] In order to help solve the problems in the prior art, the utility model provides a kind of self-adapting adjustment's support back cushion, using the following technical scheme: including: cushion, backrest, back cushion, moving assembly and pressure sensor, the bottom of the cushion is provided with installation box, the cushion is provided with human body induction switch;

[0006] The backrest is L-shaped, the horizontal part of the backrest is provided with a sliding seat, the vertical part of the backrest extends to one side of the cushion, the installation box is provided with a sliding rail, and the sliding seat is slidably arranged on the sliding rail.

[0007] The back cushion is arranged on the vertical part of the backrest.

[0008] The moving assembly is used to drive the vertical part of the backrest to approach or move away from one side of the cushion.

[0009] The pressure sensor is arranged in the installation box, and the pressure sensor is arranged at the bottom of the horizontal part of the backrest.

[0010] Further characterized in that,

[0011] The mounting box is internally provided with a support and a roller, the support is arranged in the mounting box, the roller is horizontally rotatably arranged on the support, the pressure sensor is arranged below the roller, and the horizontal part of the backrest passes above the roller.

[0012] The moving assembly comprises an adjusting screw and a driving member, the adjusting screw is rotatably arranged on the mounting box, the axial direction of the adjusting screw is consistent with the extending direction of the slide rail, the adjusting screw is arranged through the slide seat and is threadedly connected with the slide seat;

[0013] The driving member is used for driving the adjusting screw to rotate.

[0014] The driving member comprises a driven pulley, a driving pulley, a plurality of wedge belts and a motor, the motor is arranged on the mounting box, the driven pulley is coaxially arranged on one end of the adjusting screw, the driving pulley is coaxially arranged on the output end of the motor, and the plurality of wedge belts are sleeved on the driven pulley and the driving pulley.

[0015] The back cushion is sleeved on the vertical part of the backrest from top to bottom.

[0016] The vertical part of the backrest is sequentially provided with a plurality of clamping grooves from top to bottom on the side away from the cushion, the adjusting rod is rotatably arranged in the back cushion, the rotating direction of the adjusting rod is toward the vertical direction, and the suspended end of the adjusting rod is clamped in one of the clamping grooves.

[0017] The suspended end of the adjusting rod is arranged through a locking screw, the clamping grooves are all provided with through holes, the back cushion is provided with a threaded hole on the side away from the locking screw, and the locking screw is sequentially arranged through the adjusting rod and the through hole in the corresponding clamping groove and is threadedly connected with the back cushion through the threaded hole.

[0018] The side of the adjusting rod away from the backrest is provided with a first elastic member.

[0019] The first elastic member is a spring.

[0020] The end of the locking screw is provided with a rudder.

[0021] In summary, when a user sits on the cushion, the human body sensing switch is activated, it is detected that there is a person on the cushion, at this time, the moving assembly drives the vertical part of the backrest to move towards the cushion, so that the back cushion is attached to the waist or back of the user, when the backrest is attached to the human body, a resistance is generated, the backrest is slightly deformed, at this time, the pressure sensor attached to the horizontal part of the backrest detects the pressure change, according to the pressure change detected by the pressure sensor, the running direction and the stop position of the backrest are controlled, so that the self-adaptive effect is achieved, and the user obtains a better use experience. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1It is the overall structure section view of the utility model;

[0023] Figure 2 It is the structure explosion schematic view of the backrest and the moving assembly in the utility model;

[0024] Figure 3 It is the structure schematic view of the backrest in the utility model;

[0025] Figure 4 It is the structure explosion schematic view of the back cushion in the utility model embodiment;

[0026] Figure 5 It is the structure schematic view of the back cushion in the utility model embodiment.

[0027] Fig. 1, cushion 11, mounting box 12, slide rail 2, backrest 21, sliding seat 22, clamping groove 23, through hole 3, back cushion 31, adjusting rod 32, screw hole 4, moving assembly 41, driven pulley 42, driving pulley 43, multi-ke pulley 45, pressure sensor 5, support 6, roller 7, locking screw 8, first elastic member 9. DETAILED DESCRIPTION

[0028] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be described clearly and completely in the following with the drawings in the utility model embodiment, obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor should belong to the scope of the utility model protection.

[0029] It should be noted that the specification and claims of the utility model and the above-mentioned drawings in the terms "include" and "have" and their any deformation, it is intended to cover the non-exclusive inclusion, for example, the process, method, device, product or equipment including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0030] The following will be combined with the drawings Figures 1-5 The utility model makes further detailed description.

[0031] Refer to Figures 1-2 A self-adapting adjustment supporting back cushion, comprising: cushion 1, backrest 2, back cushion 3, moving assembly 4 and pressure sensor 5, the bottom of cushion 1 is provided with mounting box 11, and human body induction switch (can adopt sensor and the like component group) is arranged on cushion 1.

[0032] The backrest 2 is L-shaped, the horizontal part of the backrest 2 is provided with a sliding seat 21, the vertical part of the backrest 2 extends to one side of the cushion 1, the mounting box 11 is provided with a sliding rail 12, and the sliding seat 21 is slidingly arranged on the sliding rail 12;

[0033] The back cushion 3 is arranged on the vertical part of the backrest 2;

[0034] The moving assembly 4 is used to drive the vertical part of the backrest 2 to move close to or away from the side of the cushion 1;

[0035] The pressure sensor 5 is arranged in the mounting box 11, and the pressure sensor 5 is arranged at the bottom of the horizontal part of the backrest 2.

[0036] Based on the above structure, when a user sits on the cushion 1 during use, the human body sensing switch is activated, and it is detected that there is a person on the cushion 1, at this time, the moving assembly 4 drives the vertical part of the backrest 2 to move towards the cushion 1, so that the back cushion 3 is attached to the waist or back of the user, when the backrest 2 is attached to the human body, a resistance is generated, the backrest 2 is slightly deformed (the horizontal part of the backrest 2 is inclined downward), at this time, the pressure sensor 5 attached to the horizontal part of the backrest 2 detects the pressure change, according to the pressure change detected by the pressure sensor 5, the running direction and the stop position of the backrest 2 are controlled, so that the self-adaptive effect is achieved, and the user has a better use experience (for example, a reference value (the pressure value of the pressure sensor 5 when the back cushion 3 exerts the most comfortable force on the user) is set, if the value of the pressure sensor 5 is smaller than the reference value, the back cushion 3 moves towards the side of the cushion (the user), and if the value of the pressure sensor 5 is greater than the reference value, the back cushion 3 moves away from the side of the cushion (the user)).

[0037] As shown in FIG. 1, Figure 2 The mounting box 11 is provided with a support 6 and a roller 7, the support 6 is arranged in the mounting box 11, the roller 7 is horizontally rotatably arranged on the support 6, the pressure sensor 5 is arranged below the roller 7, and the horizontal part of the backrest 2 passes above the roller 7, the roller 7 can be fixed on the support 6 by a flexible ring, or a waist-shaped slot extending in the vertical direction can be formed in the support 6, so that the roller 7 can slightly move in the vertical direction, in this way, when the backrest 2 is attached to the human body, a resistance is generated, the backrest 2 is slightly deformed, the horizontal part of the backrest 2 is pressed on the roller 7 at the bottom, so that the roller 7 exerts greater pressure on the pressure sensor 5 at the bottom, the arrangement of the roller 7 realizes rolling connection with the horizontal part of the backrest 2, reduces the friction, increases the service life, and protects the pressure sensor 5.

[0038] As shown in FIG. 2, Figure 1 and Figure 2As shown, the moving assembly 4 comprises an adjusting screw 41 and a driving member, the adjusting screw 41 is rotationally arranged on the mounting box 11, the axial direction of the adjusting screw 41 is consistent with the extending direction of the slide rail 12, the adjusting screw 41 is arranged through the slide seat 21 and is threadedly connected with the slide seat 21; the driving member is used for driving the adjusting screw 41 to rotate; wherein the driving member specifically comprises a driven pulley 42, a driving pulley 43, a multi-kick belt 44 and a motor 45, the motor 45 is arranged on the mounting box 11, the driven pulley 42 is coaxially arranged on one end of the adjusting screw 41, the driving pulley 43 is coaxially arranged on the output end of the motor 45, the multi-kick belt 44 is sleeved on the driven pulley 42 and the driving pulley 43, thus, in use, when the user sits on the cushion 1, the human body sensing switch detects that someone sits on the cushion 1, the motor 45 drives the adjusting screw 41 to rotate, the backrest 2 moves to the side of the cushion 1 (the back of the user), until the back cushion 3 is attached to the human body, when the user leaves the cushion 1, the motor 45 reversely rotates, the backrest 2 moves away from the cushion (the backrest 2 is reset).

[0039] As shown, Figures 1-5 The back cushion 3 is sleeved on the vertical part of the backrest 2 from top to bottom; the vertical part of the backrest 2 is sequentially provided with a plurality of clamping grooves 22 from top to bottom on the side away from the cushion 1, the back cushion 3 is rotationally arranged with an adjusting rod 31, the rotating direction of the adjusting rod 31 is towards the vertical direction, the suspended end of the adjusting rod 31 is clamped in one of the clamping grooves 22, thus, one end of the adjusting rod 31 is rotationally arranged on the back cover plate of the back cushion 3, the other end is provided with a clamping head matched with the clamping groove 22, when the clamping head is clamped in the clamping groove 22, the limiting of the height of the back cushion 3 is completed, that is, when the clamping head is clamped in different clamping grooves 22, the back cushion 3 is at different heights, the height adjustment of the back cushion 3 is completed, which is suitable for people of different heights; the suspended end of the adjusting rod 31 is arranged with a locking screw 8, the clamping groove 22 is provided with a through hole 23, the back cushion 3 is provided with a threaded hole 72 on the side away from the locking screw 8, the locking screw 8 is sequentially arranged through the adjusting rod 31 and the through hole 23 of the corresponding clamping groove 22, and is threadedly connected with the back cushion 3 through the threaded hole 72, the end of the locking screw 8 is provided with a rudder; thus, by arranging the locking screw 8 through the adjusting rod 31 and the backrest 2, rotating the rudder, the locking screw 8 is rotationally arranged, and is threadedly connected with the back cushion 3, so as to lock the clamping head of the adjusting rod 31 in the clamping groove 51, the position of the back cushion 3 is locked, and a first elastic member 9 (the first elastic member 9 can be a spring or a spring piece) can be arranged on the side away from the backrest 2 of the adjusting rod 31, the setting of the first elastic member 74 makes the clamping head of the adjusting rod 31 move away from the backrest 2 after the locking screw 8 is removed, and the position of the back cushion 3 can be adjusted.

[0040] In summary: when in use, when the user sits on the cushion 1, the human body inductive switch is effective, detects that there is someone on the cushion 1, at this time the moving assembly 4 drives the vertical part of the backrest 2 to move towards the cushion 1, so that the back cushion 3 is attached to the waist or back of the user, when the backrest 2 is attached to the human body, a resistance is generated, the backrest 2 is slightly deformed, at this time the pressure sensor 5 attached to the horizontal part of the backrest 2 detects the pressure change, according to the pressure change detected by the pressure sensor 5, the running direction and the stop position of the backrest 2 are controlled, so that the adaptive effect is achieved, and the user has a better use experience.

[0041] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. An adaptively adjustable support cushion, characterized in that, include: The cushion (1), backrest (2), backrest (3), moving component (4) and pressure sensor (5) are provided. The bottom of the cushion (1) is provided with a mounting box (11) and the cushion (1) is provided with a human body sensor switch. The backrest (2) is L-shaped, and a sliding seat (21) is provided on the horizontal part of the backrest (2). The vertical part of the backrest (2) extends to one side of the seat cushion (1). A slide rail (12) is provided in the mounting box (11), and the sliding seat (21) is slidably disposed on the slide rail (12). The cushion (3) is disposed on the vertical part of the backrest (2); The moving component (4) is used to drive the vertical part of the backrest (2) toward or away from the seat cushion (1); The pressure sensor (5) is located inside the mounting box (11) and is located at the bottom of the horizontal part of the backrest (2).

2. The adaptive adjustable support cushion according to claim 1, characterized in that: The mounting box (11) is provided with a support (6) and a roller (7). The support (6) is located inside the mounting box (11). The roller (7) is horizontally rotatably mounted on the support (6). The pressure sensor (5) is located below the roller (7). The horizontal part of the backrest (2) passes above the roller (7).

3. The adaptive adjustable support cushion according to claim 1, characterized in that: The moving component (4) includes an adjusting screw (41) and a driving component. The adjusting screw (41) is rotatably mounted on the mounting box (11). The axial direction of the adjusting screw (41) is consistent with the extension direction of the slide rail (12). The adjusting screw (41) passes through the sliding seat (21) and is threadedly connected to the sliding seat (21). The driving component is used to drive the adjusting screw (41) to rotate.

4. The adaptive adjustable support cushion according to claim 3, characterized in that: The driving component includes a driven pulley (42), a driving pulley (43), a multi-wedge belt (44), and a motor (45). The motor (45) is mounted on the mounting box (11). The driven pulley (42) is coaxially mounted on one end of the adjusting screw (41). The driving pulley (43) is coaxially mounted on the output end of the motor (45). The multi-wedge belt (44) is sleeved on the driven pulley (42) and the driving pulley (43).

5. The adaptive adjustable support cushion according to claim 1, characterized in that: The cushion (3) is fitted onto the vertical part of the backrest (2) from top to bottom.

6. The adaptive adjustable support cushion according to claim 5, characterized in that: The vertical portion of the backrest (2) away from the seat cushion (1) has several slots (22) arranged sequentially from top to bottom. An adjustment rod (31) is rotatably arranged inside the cushion (3). The adjustment rod (31) rotates in the vertical direction, and the suspension end of the adjustment rod (31) is locked in one of the slots (22).

7. The adaptive adjustable support cushion according to claim 6, characterized in that: The suspension end of the adjusting rod (31) is provided with a locking screw (8), and each of the slots (22) is provided with a through hole (23). The cushion (3) is provided with a threaded hole (72) on the side of the backrest (2) away from the locking screw (8). The locking screw (8) passes through the adjusting rod (31) and the through hole (23) at the corresponding slot (22) in sequence, and is threadedly connected to the cushion (3) through the threaded hole (72).

8. The adaptive adjustable support cushion according to claim 7, characterized in that: The first elastic element (9) is provided on the side of the adjusting rod (31) away from the backrest (2).

9. The adaptive adjustable support cushion according to claim 8, characterized in that: The first elastic element (9) is a spring.

10. The adaptive adjustable support cushion according to claim 7, characterized in that: The end of the locking screw (8) is provided with a rudder.

Images