CN-224206496-U - Adjustable waist support of seat and seat

Abstract

The utility model discloses an adjustable waist support of a seat and the seat, the adjustable waist support of the seat comprises a mounting seat, two swinging seats, an elastic supporting piece, a sliding seat and a locking piece, wherein the two swinging seats are respectively hinged to two sides of the mounting seat, the swinging seats are consistent with each other in the up-down direction relative to the rotating axis of the mounting seat, the elastic supporting piece is positioned on the front side of the mounting seat and comprises a first connecting part and two second connecting parts, a deformation part is respectively formed on the elastic supporting piece at a part between the first connecting part and the two second connecting parts, the sliding seat is movably arranged on the mounting seat and fixedly connected to the first connecting part of the elastic supporting piece, the swinging seat is fixedly arranged on the second connecting part, and the locking piece is arranged on the mounting seat and is used for being combined with the sliding seat and separated from the sliding seat. The utility model has simple and convenient adjusting process and can provide stable support for the waist of the user.

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 adjustable waist support of the seat is characterized by comprising a mounting seat, two swinging seats, an elastic supporting piece, a sliding seat and a locking piece; The two swing seats are respectively hinged to two sides of the mounting seat, the axis of rotation of the swing seats relative to the mounting seat is consistent with the vertical direction, the elastic support piece is positioned on the front side of the mounting seat and comprises a first connecting part positioned in the middle of the elastic support piece and two second connecting parts positioned on two sides of the elastic support piece, and a deformation part is formed on the elastic support piece between the first connecting part and the two second connecting parts; The sliding seat is movably arranged on the mounting seat so that the sliding seat can move relative to the mounting seat in the front-back direction, and the sliding seat is fixedly connected to the first connecting part of the elastic supporting piece; The locking piece is arranged on the mounting seat and used for being combined with the sliding seat to lock the sliding seat and the mounting seat together and separated from the sliding seat so that the sliding seat can move relative to the mounting seat in the front-back direction.
2. 2. The adjustable lumbar support of claim 1 wherein the flexible support member is plate-like and the front side of the flexible support member is covered with a flexible support pad that is deformable with the flexible support member and is adhesively secured to the flexible support member.
3. 3. The adjustable lumbar support of claim 1, wherein a rearward extending guide is provided at a central portion of the mounting base, a forward opening rearward extending chute is provided on the guide, the sliding base is slidably received in the chute through the forward opening of the chute, and the locking member is disposed on the guide.
4. 4. An adjustable lumbar support according to claim 3, wherein the lower surface of the guide portion is provided with an upwardly recessed mounting groove communicating with the slide groove, the locking member is movably inserted into the mounting groove so that the locking member can move between an upper locking position and a lower unlocking position, a plurality of first teeth arranged in the front-rear direction are provided on the top surface of the locking member, a plurality of second teeth arranged in the front-rear direction are provided on the lower surface of the slide seat, the plurality of first teeth are engaged with the plurality of second teeth when the locking member is in the locking position, and the plurality of first teeth are separated from the plurality of second teeth when the locking member is in the unlocking position.
5. 5. The adjustable lumbar support of claim 4 wherein the guide is pivotally connected to a handle below the latch, the handle having a boss for engaging the latch, the handle for driving the boss to swing between a first position in which the boss pushes the latch upward to retain the latch in the latched position and a second position in which the boss releases the latch to permit downward movement of the latch within the mounting slot.
6. 6. The adjustable lumbar support according to claim 3, wherein the guide portion is provided with a guide groove extending in a front-rear direction at both sides thereof, and the slide seat is provided with a guide post at both sides thereof in a protruding manner, and the guide posts are respectively slidably inserted into the guide grooves.
7. 7. The adjustable lumbar support of claim 1, wherein the front end of the sliding seat is provided with a connection plate fixedly connected to the first connection portion of the elastic support member by a bolt.
8. 8. The adjustable lumbar support of claim 1 wherein the swing seat includes a support plate, a mounting plate positioned on a front side of the support plate, the front side of the mounting plate defining a mounting plane that engages the rear side of the second attachment portion of the resilient support, the support plate, the mounting plate and the second attachment portion being fixedly coupled together by bolts.
9. 9. The adjustable lumbar support according to claim 1, wherein a shaft sleeve extending in the up-down direction is provided on the swing seat, a limit groove is provided on the periphery of the shaft sleeve, two side walls of the limit groove are staggered along the circumferential direction of the shaft sleeve, a rotating shaft is provided on the mounting seat, the rotating shaft is connected in the shaft sleeve in a penetrating manner to hinge the swing seat on the mounting seat, and a limit block embedded in the limit groove is provided on the mounting seat.
10. 10. A seat comprising an adjustable lumbar support according to any one of claims 1-9.

Description

Adjustable waist support of seat and seat Technical Field The utility model relates to the technical field of seats, in particular to an adjustable waist support of a seat and the seat. Background In order to improve the comfort of the seat, the existing office seats and electronic contest seats are generally provided with waist supports, and the waist supports are used for supporting the waist of a user to prevent waist fatigue caused by waist suspension. In order to enable the lumbar support to support the middle position and the two side positions of the waist of a user, some lumbar supports are arranged to be of a three-piece structure and comprise a main lumbar support and two auxiliary lumbar supports, the two auxiliary lumbar supports are respectively and rotatably connected to the two sides of the main lumbar support, the auxiliary lumbar supports can be rotated inwards and outwards during use, the auxiliary lumbar supports are adjusted to be at a better supporting position to support the side edges of the waist of the user, the adjustable lumbar supports often need to be adjusted for multiple times during actual use, the auxiliary lumbar supports can be adjusted to be at a proper position, the adjusting process is complicated, and in addition, when the waist of the user applies larger pressure to the auxiliary lumbar supports, the auxiliary lumbar supports can swing backwards abnormally, so that the lumbar supports can not provide stable support for the waist of the user. Disclosure of utility model The utility model aims to provide an adjustable waist support of a seat and the seat, which are simple and convenient in adjustment process and can provide stable support for the waist of a user. In order to achieve the above purpose, the utility model adopts the following technical scheme: The adjustable waist support of the seat comprises a mounting seat, two swinging seats, an elastic supporting piece, a sliding seat and a locking piece; The two swing seats are respectively hinged to two sides of the mounting seat, the axis of rotation of the swing seats relative to the mounting seat is consistent with the vertical direction, the elastic support piece is positioned on the front side of the mounting seat and comprises a first connecting part positioned in the middle of the elastic support piece and two second connecting parts positioned on two sides of the elastic support piece, and a deformation part is formed on the elastic support piece between the first connecting part and the two second connecting parts; The sliding seat is movably arranged on the mounting seat so that the sliding seat can move relative to the mounting seat in the front-back direction, and the sliding seat is fixedly connected to the first connecting part of the elastic supporting piece; The locking piece is arranged on the mounting seat and used for being combined with the sliding seat to lock the sliding seat and the mounting seat together and separated from the sliding seat so that the sliding seat can move relative to the mounting seat in the front-back direction. Preferably, the elastic support member is plate-shaped, and the front side surface of the elastic support member is covered with a flexible support pad capable of deforming along with the elastic support member, and the flexible support pad is fixed with the elastic support member in an adhesive manner. Preferably, the middle part of the installation seat is provided with a guide part extending backwards, the guide part is provided with a chute with an opening at the front end and extending backwards, the sliding seat is connected in the chute by the sliding penetration of the opening at the front end of the chute, and the locking piece is arranged on the guide part. Preferably, the lower surface of the guiding part is provided with an installation groove which is recessed upwards and communicated with the sliding groove, the locking piece is movably embedded in the installation groove so that the locking piece can move between an upper locking position and a lower unlocking position, a plurality of first convex teeth which are arranged along the front-back direction are arranged on the top surface of the locking piece, a plurality of second convex teeth which are arranged along the front-back direction are arranged on the lower surface of the sliding seat, when the locking piece is positioned at the locking position, the plurality of first convex teeth are mutually meshed with the plurality of second convex teeth, and when the locking piece is positioned at the unlocking position, the plurality of first convex teeth are separated from the plurality of second convex teeth. Preferably, the guide part is pivoted with a handle positioned below the locking piece, the handle is provided with a boss matched with the locking piece, the handle is used for driving the boss to swing between a first position and a second position, when the boss is positioned at the first posit