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CN-224206495-U - Waist holds in palm subassembly and seat

CN224206495UCN 224206495 UCN224206495 UCN 224206495UCN-224206495-U

Abstract

The utility model discloses a waist support assembly and a seat, wherein the waist support assembly comprises a mounting seat, a main waist support, an auxiliary waist support and a connecting rod mechanism, the main waist support is movably matched with the mounting seat, an elastic element is arranged between the mounting seat and the main waist support and is used for applying forward elastic stress to the main waist support, the auxiliary waist support is arranged on the side edge of the main waist support and pivoted on the mounting seat so that the auxiliary waist support can rotate relative to the mounting seat around a first axis extending vertically, and the connecting rod mechanism is arranged between the main waist support and the auxiliary waist support and is used for driving the auxiliary waist support to swing inwards around the first axis when the main waist support moves backwards relative to the mounting seat and driving the auxiliary waist support to swing outwards around the first axis when the main waist support moves forwards relative to the mounting seat. The waist support assembly can automatically wrap and automatically loosen the waist of a user, does not need to manually adjust the auxiliary waist support, and improves the convenience of the waist support assembly.

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 waist support assembly is characterized by comprising a mounting seat, a main waist support, an auxiliary waist support and a connecting rod mechanism; The main waist support is arranged at the front side of the mounting seat and is movably matched with the mounting seat so that the main waist support can move relative to the mounting seat in the front-back direction, and an elastic element is arranged between the mounting seat and the main waist support and is used for applying forward elastic stress to the main waist support; The auxiliary waist support is arranged on the side edge of the main waist support and pivoted on the mounting seat, so that the auxiliary waist support can rotate relative to the mounting seat around a first axis extending vertically; The connecting rod mechanism is arranged between the main waist support and the auxiliary waist support and is used for driving the auxiliary waist support to swing inwards around the first axis when the main waist support moves backwards relative to the mounting seat and driving the auxiliary waist support to swing outwards around the first axis when the main waist support moves forwards relative to the mounting seat.
  2. 2. The lumbar support assembly of claim 1 wherein the linkage mechanism includes a swing lever, a first link, a second link, one end of the swing lever being hinged to the mount and the other end being hinged to a central portion of the first link, one end of the first link being hinged to the main lumbar support and the other end being hinged to one end of the second link, the other end of the second link being hinged to the auxiliary lumbar support such that the auxiliary lumbar support is rotatable about a second axis relative to the second link, the second axis being parallel to the first axis and offset from each other.
  3. 3. The lumbar support assembly of claim 2 wherein a connecting arm extending to the exterior of the lumbar support is fixedly connected to the lumbar support, one end of the connecting arm adjacent to the lumbar support is pivotally connected to the swivel mount on the mounting base by a swivel axis, the first axis is the central axis of the swivel axis, and the other end of the second link is pivotally connected to the end of the connecting arm remote from the lumbar support such that the connecting arm can rotate about the second axis relative to the second link.
  4. 4. A lumbar support assembly according to claim 3, wherein a connecting seat is provided on the auxiliary lumbar support, a connecting plate is provided on the connecting seat and is abutted against the auxiliary lumbar support, the connecting plate and the auxiliary lumbar support are fixedly connected together through bolts, and the connecting arm is integrally formed on the connecting seat.
  5. 5. The lumbar support assembly of claim 2 wherein the mounting block is provided with a limiting slot, and wherein one end of the swing lever is disposed in the limiting slot to define the range of angles of swing of the swing lever relative to the mounting block by the two side walls of the limiting slot.
  6. 6. The lumbar support assembly of claim 5 wherein the mounting base is detachably secured with a first connector block, one end of the swing lever is hinged to the first connector block, and the limit slot is formed in the first connector block.
  7. 7. The lumbar support assembly of claim 2 wherein the main lumbar support is removably secured with a second connection block, and wherein one end of the first link is hinged to the second connection block.
  8. 8. The lumbar support assembly of claim 1 wherein a guide mechanism is disposed between the mounting base and the main lumbar support, the guide mechanism including a guide post and a guide sleeve slidably disposed about the guide post, the guide post and the guide sleeve extending in a fore-aft direction, the guide post being coupled to one of the mounting base and the main lumbar support, the guide sleeve being coupled to the other of the mounting base and the main lumbar support.
  9. 9. The lumbar support assembly of claim 8 wherein the guide post defines a receiving slot therein, the resilient member being a spring disposed in the receiving slot, the spring having opposite ends thereof abutting the mounting base and the lumbar support, respectively.
  10. 10. A seat comprising the lumbar support assembly of any of claims 1-9.

Description

Waist holds in palm subassembly and seat Technical Field The utility model relates to the technical field of seats, in particular to a waist support assembly and a seat. Background In order to prevent the waist of a user from suspending, and improve the comfort of the seat, some office seats, electronic racing seats and the like in the prior art are generally configured with a waist support assembly, and the waist of the user is supported by the waist support assembly so as to prevent fatigue caused by suspending the waist. In order to improve the defect that the prior art mostly supports the waist of a user through a fixed supporting surface, two sides of the waist of the user are difficult to obtain support, some waist support components generally comprise a main waist support and two auxiliary waist supports positioned at two sides of the main waist support, the two sides of the waist are supported through the two auxiliary waist supports, the auxiliary waist supports are often adjustably arranged on the side edges of the main waist support, the auxiliary waist supports are rotated inwards when the side edges of the waist are required to be supported, and the structure can slow down the fatigue of the waist of the user, but when the seat is used, the auxiliary waist supports are required to be frequently rotated by the user, so that the use process is complicated. Disclosure of utility model The utility model aims to provide a waist support assembly and a seat, which can automatically wrap and release the waist of a user by the waist support, thereby improving the use convenience of the waist support assembly. In order to achieve the above purpose, the utility model adopts the following technical scheme: The waist support assembly comprises a mounting seat, a main waist support, an auxiliary waist support and a connecting rod mechanism; The main waist support is arranged at the front side of the mounting seat and is movably matched with the mounting seat so that the main waist support can move relative to the mounting seat in the front-back direction, and an elastic element is arranged between the mounting seat and the main waist support and is used for applying forward elastic stress to the main waist support; The auxiliary waist support is arranged on the side edge of the main waist support and pivoted on the mounting seat, so that the auxiliary waist support can rotate relative to the mounting seat around a first axis extending vertically; The connecting rod mechanism is arranged between the main waist support and the auxiliary waist support and is used for driving the auxiliary waist support to swing inwards around the first axis when the main waist support moves backwards relative to the mounting seat and driving the auxiliary waist support to swing outwards around the first axis when the main waist support moves forwards relative to the mounting seat. Preferably, the link mechanism comprises a swinging rod, a first link and a second link, wherein one end of the swinging rod is hinged on the mounting seat, the other end of the swinging rod is hinged at the middle part of the first link, one end of the first link is hinged on the main waist support, the other end of the first link is hinged with one end of the second link, and the other end of the second link is hinged on the auxiliary waist support so that the auxiliary waist support can rotate relative to the second link around a second axis which is parallel to the first axis and staggered with each other. Preferably, the auxiliary waist support is fixedly connected with a connecting arm extending to the outside of the auxiliary waist support, one end of the connecting arm, which is close to the auxiliary waist support, is pivoted on the swivel base on the mounting seat through the rotating shaft, the first axis is the central axis of the rotating shaft, and the other end of the second connecting rod is hinged at one end, which is far away from the auxiliary waist support, of the connecting arm so that the connecting arm can rotate around the second axis relative to the second connecting rod. Preferably, a connecting seat is arranged on the auxiliary waist support, a connecting plate which is attached to the auxiliary waist support is arranged on the connecting seat, the connecting plate and the auxiliary waist support are fixedly connected together through bolts, and the connecting arm is integrally formed on the connecting seat. Preferably, the mounting seat is provided with a limiting groove, and one end of the swinging rod is arranged in the limiting groove so as to limit the swinging angle range of the swinging rod relative to the mounting seat through two side walls of the limiting groove. Preferably, the mounting seat is detachably fixed with a first connecting block, one end of the swinging rod is hinged to the first connecting block, and the limiting groove is formed in the first connecting block. Preferably, the main waist support is det