Lumbar support chair

Abstract

We provide a lumbar support chair that reduces overall volume and facilitates transportation. [Solution] The lumbar support chair comprises a lumbar support chair body 10, a first functional unit 20, and a controller. The lumbar support chair body comprises a buttock support unit 11 and a lumbar support unit 12, the buttock support unit supports the user's buttocks, and the lumbar support unit is pivotably connected to the buttock support unit, and the lumbar support chair has at least two forms. When the lumbar support chair is in a folded state, the lumbar support unit is located above the buttock support unit and is stacked vertically, and when the lumbar support chair is in a lumbar support state, the lumbar support unit is located above the buttock support unit and extends vertically. The lumbar support unit supports the user's lumbar region. The first functional unit is connected to the lumbar support unit and includes at least one of a vibrating unit and a heating unit. The controller is connected to the buttock support unit and is electrically connected to the first functional unit.

Claims

1. A lumbar support chair that can be placed on the seat of an external chair, a platform, a table, or a sofa, The aforementioned lumbar support chair comprises a lumbar support chair body, a first functional unit, and a controller. The lumbar support chair body comprises a buttock support section and a lumbar support section, wherein the buttock support section supports the user's buttocks, and the lumbar support section is pivotably connected to the buttock support section and is position-adjustable relative to the buttock support section. The lumbar support chair has at least two forms, and when the lumbar support chair is in a folded state, the lumbar support portion is located above the buttock support portion and is stacked in the vertical direction. When the lumbar support chair is in the lumbar support position, the lumbar support portion is located above the buttock support portion, extends vertically, and supports the user's lumbar region. The first functional unit is connected to the lumbar support unit and is capable of acting on the user's lumbar region when the lumbar support chair is in a lumbar support state, and the first functional unit includes at least one of a vibrating unit and a heating unit. The controller is connected to the buttock support or the lumbar support and is electrically connected to the first functional unit. A lumbar support chair characterized by its features.

2. The buttock support portion comprises a first support portion and a flexible support portion, and the flexible support portion is connected to the first support portion. The rigidity of the first support portion is greater than the rigidity of the flexible support portion. The aforementioned waist support portion comprises a waist support portion body, The lumbar support body is pivotally connected to the first support, and the lumbar support chair can be switched between a folded state and a supported state by swinging around the pivot axis between the lumbar support body and the first support. The lumbar support chair according to feature 1.

3. The first support portion is provided with a first connecting portion, The waist support body is provided with a second connecting portion, and the second connecting portion and the first connecting portion are fitted together. A first connecting member is provided between the waist support body and the first support portion. The first connecting member is inserted through the second connecting portion and the first connecting portion, and is fixedly connected to the first connecting portion. As the second connecting portion swings relative to the first connecting member, the waist support body swings relative to the first support portion. The lumbar support chair according to feature 2.

4. The second connecting portion is provided with a second through-hole through which the first connecting member is inserted. In the second connecting portion, the portion forming the second through-hole is provided with a plurality of reinforcing ribs arranged along the circumferential direction of the second through-hole. The first connecting portion is provided with a first through hole and a first accommodating groove. The first through hole communicates with the second through hole along the axial direction of the first through hole, The first connecting member is inserted through the first through hole and the second through hole and screwed into the first connecting portion. The first accommodating groove communicates with the first through hole and is capable of accommodating the end of the first connecting member located within the first through hole. The lumbar support chair according to feature 3.

5. The first connecting portion is provided with a first groove into which the second connecting portion is fitted, and a second groove. The second groove is located on one side of the first groove and has a stepped structure with respect to the first groove. The inner wall of the second groove is capable of contacting the waist support body, and the second groove accommodates a part of the waist support body. The inner wall of the second groove is the first inner wall, When the lumbar support chair is in a lumbar support position, the first inner wall is located on the rear side of the lumbar support body and abuts against the lumbar support body, supporting the lumbar support body in a forward tilting direction. The first connecting portion extends along the width direction of the first support portion, The top side wall of the first support portion extends in an arc shape, and the highest position of the top of the first support portion is located on the central axis plane of the first support portion. The first support portion is fitted and connected to the waist support portion body and supports the waist support portion body. The lumbar support chair according to feature 3.

6. A second accommodating groove is provided on the rear side wall of the waist support body. When the lumbar support chair is in a lumbar support position, the second housing groove houses a part of the first support portion. The first support portion is provided with a first engaging portion, and the second housing groove is provided with a second engaging portion, and the first engaging portion and the second engaging portion are engaged and connected to each other. The first engaging portion is a plurality of such first engaging portions, which are arranged along the longitudinal direction of the top of the first support portion and act on the same waist support portion body. The lumbar support chair according to feature 5.

7. The first functional unit is a plurality of units, and the plurality of first functional units include a first vibrating unit and a first heating unit. The aforementioned lumbar support portion further comprises a first lumbar pad, The first waist pad is connected to the main body of the waist support and is located on the front side of the main body of the waist support, and is in contact with the user's waist or back. Both the first vibrating unit and the first heating unit are built into the first waist pad. The first vibrating section and the first heating section are arranged in a stacked manner in the thickness direction of the waist support section. The lumbar support chair according to feature 2.

8. The first functional unit is a plurality of units, and the plurality of first functional units include a second vibrating unit and a second heating unit. The aforementioned lumbar support portion further comprises a second lumbar pad, The second waist pad is connected to the waist support body and is located on the front side of the waist support body, and is in contact with the user's waist or back. The second vibrating unit is built into the second waist pad, The second vibrating section and the second heating section are each positioned at different locations on the second waist pad, and are offset from each other. The second heating element is exposed from the second waist pad, The second heating section is provided with a plurality of first heating bulbs and a first circuit board. Multiple of the first heating bulbs are integrated on the same first circuit board and arranged in an array. Multiple of the first heating bulbs generate heat when in operation, heating the user's waist or back. The lumbar support chair according to feature 2.

9. The first functional part includes a third vibrating part, The waist support portion further comprises a third waist pad, a second connecting member, and a metal cover. The third waist pad is connected to the main body of the waist support and flexibly contacts the user's waist. The second connecting member is connected to the third waist pad, The second connecting member is provided with an attachment portion and can be positioned to correspond to the user's waist. The third vibrating part is detachably connected to the mounting part and housed within the mounting part. The third vibrating unit outputs a vibration force when in operation, and transmits the vibration force to the mounting unit to vibrate and massage the user's lower back. The metal cover is connected to the second connecting member and is located on one side of the third vibrating part. The lumbar support chair according to feature 2.

10. The aforementioned lumbar support chair further comprises a light bulb module, The light bulb module is provided on the outside of the third vibrating part and can be arranged in an annular or left-right manner around the third vibrating part. The light bulb module comprises a second circuit board and a plurality of light bulb sections. The second circuit board is housed in the third waist pad, Multiple light bulb units are electrically connected to the second circuit board and arranged at different positions on the second circuit board. Multiple of the aforementioned light bulbs are arranged in a concentric, annular, or directional array pattern. Multiple of the aforementioned light bulbs are exposed from the first light-emitting holes of the corresponding third waist pads. Multiple of the aforementioned light bulbs emit light through the second circuit board, providing a phototherapy and heating effect to the user's back. The lumbar support chair according to feature 9.

11. The aforementioned lumbar support portion further comprises a lumbar support, The waist support is provided on the front side of the waist support body and connected to the waist support body. The waist support is provided with at least one movable waist module. The waist module is elastically movable relative to the waist support body, and when the user's waist is pressed against it, As the user's lower back is pressed against it, the lumbar module concentrates its support on the user's lower back. The aforementioned waist support further comprises a support member and an elastic module, Both the support member and the elastic module are located between the waist support body and the waist module. The support member is connected to the waist support body, The elastic module is located between the support member and the waist module, and applies elastic force to the waist module. The first functional unit is connected to the waist module and is located within the cavity of the waist module or on the outer surface of the waist module. The lumbar support chair according to feature 2.

12. The aforementioned lumbar support portion further comprises a fourth lumbar pad, The fourth waist pad is provided on the front side of the waist support body and connected to the waist support body. The fourth waist pad is equipped with an outer cover, The outer cover has a second heating element integrated into it. The second heating bulb is a plurality of bulbs, and the plurality of second heating bulbs are arranged sequentially in the longitudinal direction of the outer cover. The lumbar support chair according to feature 2.

13. A second functional part is connected to the aforementioned buttock support part. The second functional unit includes at least one of the fourth vibrating unit and the fourth heating unit, The second functional unit is electrically connected to the controller, A conductive wire is provided between the second functional unit and the controller. The conductive wire is inserted through the buttock support portion and the waist support portion. The lumbar support chair according to feature 1.

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