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CN-224206487-U - Self-adaptive waist support assembly and seat

CN224206487UCN 224206487 UCN224206487 UCN 224206487UCN-224206487-U

Abstract

The utility model discloses a self-adaptive waist support assembly and a seat, wherein the self-adaptive waist support assembly comprises a mounting seat, a main waist support and two auxiliary waist supports, the two auxiliary waist supports are respectively arranged on two sides of the main waist support and are respectively pivoted on two sides of the mounting seat so that the auxiliary waist supports can swing inwards and outwards relative to the mounting seat around a first axis extending vertically, the main waist support is arranged on the front side of the mounting seat, the main waist support comprises an elastic support piece, the elastic support piece comprises a deformation part arranged in the middle part and two connecting parts respectively arranged on two sides of the deformation part, the two connecting parts are respectively pivoted on the two auxiliary waist supports so that the auxiliary waist supports can rotate relative to the connecting parts around a second axis, and the second axis is parallel to the first axis and is mutually staggered on the same auxiliary waist support. The utility model improves the comfort of the seat, does not need manual adjustment in the use process, and improves the convenience of the use of the seat.

Inventors

  • FENG XIAOWEI
  • Request for anonymity

Assignees

  • 杭州黑白调科技有限公司

Dates

Publication Date
20260508
Application Date
20250627

Claims (10)

  1. 1. The self-adaptive waist support assembly is characterized by comprising a mounting seat, a main waist support and two auxiliary waist supports; The two auxiliary waist supports are respectively positioned at two sides of the main waist support, and are respectively pivoted at two sides of the mounting seat so that the auxiliary waist supports can swing around a first axis extending vertically relative to the inside and outside of the mounting seat; The main waist support is located the front side of mount pad, and the main waist support includes elastic support spare, and elastic support spare is including the deformation portion that is located the middle part and two connecting portions that are located deformation portion both sides respectively, and two connecting portions pin joint respectively on two pairs of waist support so that vice waist support can rotate for connecting portion around the second axis, on same vice waist support, second axis and first axis are parallel and stagger each other.
  2. 2. The adaptive lumbar support assembly of claim 1 wherein the elastic support member is plate-shaped and the main lumbar support further includes a flexible support block that covers the front side of the elastic support member and is adhesively coupled to the elastic support member.
  3. 3. The adaptive lumbar support assembly of claim 1 wherein a connection block is provided on both connection portions of the resilient support, the connection block being removably secured to the connection portion, the connection block being pivotally connected to the secondary lumbar support to enable the secondary lumbar support to rotate about the second axis relative to the connection block.
  4. 4. The self-adaptive waist support assembly according to claim 3, wherein the auxiliary waist support is provided with a first shaft hole and a second shaft hole which is staggered with the first shaft hole, the mounting seat is provided with a rotary seat, a first rotating shaft which is pivoted and matched with the rotary seat is connected in the first shaft hole in a penetrating way, the first axis is the central axis of the first rotating shaft, the connecting block is provided with two connecting lugs, the second shaft is connected in the second shaft hole in a penetrating way, two ends of the second rotating shaft are respectively connected to the two connecting lugs, and the second axis is the central axis of the second rotating shaft.
  5. 5. The adaptive lumbar support assembly of claim 4 wherein the outer side of the swivel mount defines a stop surface and the secondary lumbar support defines a stop surface that cooperates with the stop surface to define a maximum angle of outward swinging of the secondary lumbar support about the first axis relative to the mount.
  6. 6. The adaptive lumbar support assembly of claim 1 wherein the secondary lumbar support is provided with a locking tab fixedly engaged with the secondary lumbar support and the mounting block is provided with a locking member engaged with the locking tab, the locking member being movable relative to the mounting block between a first position in which the locking member is disengaged from the locking tab and a second position in which the locking member is engaged with the locking tab.
  7. 7. The adaptive lumbar support assembly of claim 6 wherein the secondary lumbar support is provided with a connecting arm extending away from the first axis, the end of the connecting arm remote from the first axis forming a locking block, the locking block being provided with a plurality of first teeth and the locking member being provided with a plurality of second teeth, the plurality of first teeth engaging the plurality of second teeth when the locking member is in the second position.
  8. 8. The adaptive lumbar support assembly of claim 7 wherein the mounting block is provided with a mounting slot extending from a rear side to a front side of the mounting block, the locking member is embedded in the mounting slot and is movable relative to the mounting block along the extending direction of the mounting slot, the mounting block is pivotally connected to a handle, the handle is provided with a boss located at the rear side of the locking member, and the handle is configured to rotate the boss to urge the locking member forward to retain the locking member in the second position.
  9. 9. The adaptive lumbar support assembly of claim 1 wherein the front side of the mount is curved with a rearward concave intermediate portion.
  10. 10. A seat comprising the adaptive lumbar support assembly of any of claims 1-9.

Description

Self-adaptive waist support assembly and seat Technical Field The utility model relates to the technical field of seats, in particular to a self-adaptive waist support assembly and a seat. Background In order to avoid waist fatigue caused by suspended waist, the existing office seats, electronic racing seats and the like are generally provided with waist support components, and the waist support components are utilized to support the waist of a user so as to improve the comfort of the seat. In some chairs, in order to provide a better supporting effect for the waist of the user, the waist support assembly generally comprises a main waist support and two auxiliary waist supports respectively positioned at two sides of the main waist support, wherein the auxiliary waist supports are connected to the side edges of the main waist support and are arranged to be adjustable in an inner and outer swinging mode relative to the main waist support, when the chair is used, the main waist support supports the middle position of the waist of the user, the two auxiliary waist supports respectively support two sides of the waist, and the waist support assembly wraps the waist of the user, so that the comfort of the chair is improved, however, in the practical use process, the user needs to manually adjust the auxiliary waist supports, and often needs to adjust the auxiliary waist support for multiple times to adjust the auxiliary waist support to a more suitable angle, so that the convenience is poor. Disclosure of utility model The utility model aims to provide a self-adaptive waist support assembly and a seat, which can wrap the waist of a user in a self-adaptive manner without manual adjustment. In order to achieve the above purpose, the utility model adopts the following technical scheme: The self-adaptive waist support assembly comprises a mounting seat, a main waist support and two auxiliary waist supports; The two auxiliary waist supports are respectively positioned at two sides of the main waist support, and are respectively pivoted at two sides of the mounting seat so that the auxiliary waist supports can swing around a first axis extending vertically relative to the inside and outside of the mounting seat; The main waist support is located the front side of mount pad, and the main waist support includes elastic support spare, and elastic support spare is including the deformation portion that is located the middle part and two connecting portions that are located deformation portion both sides respectively, and two connecting portions pin joint respectively on two pairs of waist support so that vice waist support can rotate for connecting portion around the second axis, on same vice waist support, second axis and first axis are parallel and stagger each other. Preferably, the elastic support member is plate-shaped, and the main lumbar support further comprises a flexible support block, wherein the flexible support block covers the front side of the elastic support member and is connected with the elastic support member in an adhesive manner. Preferably, the elastic support piece is provided with a connecting block on both connecting parts, the connecting block is detachably fixed on the connecting parts, and the connecting block is pivoted with the auxiliary waist support so that the auxiliary waist support can rotate around the second axis relative to the connecting block. The waist support comprises a mounting seat, a first shaft hole, a second shaft hole, a rotary seat, two connecting lugs, a second shaft, a rotary seat and a second shaft, wherein the first shaft hole and the second shaft hole are arranged on the waist support in a staggered mode, the rotary seat is arranged on the mounting seat, a first rotary shaft which is in pivot joint with the rotary seat is connected in the first shaft hole in a penetrating mode, the first shaft is the central axis of the first rotary shaft, the connecting lugs are arranged on the connecting block, the second rotary shaft is connected in the second shaft hole in a penetrating mode, two ends of the second rotary shaft are respectively connected to the two connecting lugs, and the second shaft is the central axis of the second rotary shaft. Preferably, the outer side of the swivel base forms a limiting surface, and the auxiliary waist support is provided with a stop surface, and the stop surface is matched with the limiting surface to limit the maximum angle of the auxiliary waist support swinging outwards relative to the mounting base around the first axis. Preferably, the auxiliary waist support is provided with a locking piece fixedly matched with the auxiliary waist support, the mounting seat is provided with a locking piece matched with the locking piece, the locking piece can move relative to the mounting seat between a first position and a second position, the locking piece is separated from the locking piece when the locking piece is positioned at the first positi