CN-224206490-U - Supine adjusting mechanism and office chair

CN224206490UCN 224206490 UCN224206490 UCN 224206490UCN-224206490-U

Abstract

The utility model discloses a supine adjusting mechanism and an office chair, wherein the supine adjusting mechanism comprises a cushion part, a backrest part and an adjusting component, wherein the cushion part comprises a cushion main body and at least one armrest fixedly connected with the cushion main body, the backrest part comprises a backrest main body, the backrest main body is hinged with the cushion part, the adjusting component comprises a sliding rod and a locking piece, the left end of the sliding rod is hinged with the backrest main body, a second hinge shaft is positioned at the rear of the armrest, the sliding rod is arranged on the armrest in a sliding manner along the front-rear direction, the locking piece is movably arranged on the armrest, and the locking piece is detachably connected with the sliding rod. The office chair comprises chair legs and the supine adjusting mechanism. When a user needs to adjust the supine angle, the locking piece is controlled to separate the locking piece from the sliding rod, then the backrest main body is controlled to turn over to a required position, then the locking piece is controlled to be connected with the sliding rod, and the adjustment is completed.

Inventors

YE ZIQI
XU DIANXIONG
Lin Xiongdan
ZUO BOLIANG
DENG GUOYU

Assignees

佛山市虹桥家具有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (10)

1. A supine adjusting mechanism is characterized by comprising The seat cushion component comprises a seat cushion main body and at least one armrest fixedly connected with the seat cushion main body, and the armrest is positioned above the front side edge of the seat cushion main body; The backrest component comprises a backrest main body arranged above the left side edge of the cushion main body, and the backrest main body is hinged with the cushion component through a first hinge shaft extending forwards and backwards; The adjusting assembly comprises a sliding rod and a locking piece, wherein the left end of the sliding rod is hinged with the backrest main body through a second hinge shaft extending forwards and backwards, a vertically extending kidney-shaped groove is formed in the sliding rod or the backrest main body, the second hinge shaft is arranged in the kidney-shaped groove in a sliding mode, the second hinge shaft is located at the rear of the handrail, the sliding rod is arranged on the handrail in a sliding mode along the front-rear direction, the locking piece is movably arranged on the handrail, and the locking piece is detachably connected with the sliding rod.
2. The supine adjusting mechanism of claim 1, wherein a chute is provided in the armrest, the left end of the chute is open, and the slide bar is inserted into the chute from left to right.
3. The supine adjustment mechanism of claim 2 wherein a first elastic member is coupled between the slide bar and the armrest, the first elastic member being configured to urge the slide bar to move rightward.
4. The supine adjusting mechanism of claim 3, wherein the right end of the chute is provided with an extension section extending rightward, and the first elastic member is disposed in the extension section.
5. The supine adjusting mechanism of claim 4, wherein the upper sides of the chute and the extension are provided with an opening, the armrest is detachably provided with a cover plate, and the cover plate covers the opening.
6. The supine adjusting mechanism of claim 2, wherein a first opening is formed in the peripheral wall of the sliding groove, the locking piece is arranged in the first opening, the locking piece is a lever, the locking piece is hinged to the handrail through a third hinge, two ends of the locking piece are respectively called a first end and a second end, the first end and the second end are respectively arranged on the inner side and the outer side of the handrail, a second elastic piece is connected between the locking piece and the handrail, and the second elastic piece is used for driving the first end to be abutted to the sliding rod.
7. The supine adjustment mechanism of claim 6 wherein the first opening is disposed at a bottom of the chute.
8. The supine adjustment mechanism of claim 2 wherein the slide bar is arcuate and the chute extends arcuately downwardly from right to left.
9. The supine adjustment mechanism of claim 1, wherein a support post is connected between the left end of the armrest and the seat cushion member, the first hinge shaft is disposed on the support post, and the first hinge shaft is disposed above the seat cushion.
10. An office chair comprising a chair leg and a supine adjustment mechanism according to any one of claims 1 to 9, wherein the chair leg is attached to the bottom of the seat member.

Description

Supine adjusting mechanism and office chair Technical Field The utility model relates to the field of furniture, in particular to a supine adjusting mechanism and an office chair. Background In order to facilitate the user's supine rest, some office chairs have been designed with a mechanism that allows the backrest to recline. The mechanism for adjusting the backrest of the office chair is arranged on the armrest of the office chair, when the supine angle of the backrest needs to be adjusted, the armrest needs to be lifted firstly, and can move together with the movement of the backrest in the adjustment process, so that the armrest is movable in the adjustment process, and a user cannot support the body by holding the armrest, so that the office chair has certain inconvenience. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a supine adjusting mechanism and an office chair. A supine adjustment mechanism according to an embodiment of the first aspect of the present utility model comprises: The seat cushion component comprises a seat cushion main body and at least one armrest fixedly connected with the seat cushion main body, and the armrest is positioned above the front side edge of the seat cushion main body; The backrest component comprises a backrest main body arranged above the left side edge of the cushion main body, and the backrest main body is hinged with the cushion component through a first hinge shaft extending forwards and backwards; The adjusting assembly comprises a sliding rod and a locking piece, wherein the left end of the sliding rod is hinged with the backrest main body through a second hinge shaft extending forwards and backwards, a vertically extending kidney-shaped groove is formed in the sliding rod or the backrest main body, the second hinge shaft is arranged in the kidney-shaped groove in a sliding mode, the second hinge shaft is located at the rear of the handrail, the sliding rod is arranged on the handrail in a sliding mode along the front-rear direction, the locking piece is movably arranged on the handrail, and the locking piece is detachably connected with the sliding rod. The supine adjusting mechanism has the advantages that at least when a user needs to adjust a supine angle, the locking piece is controlled to be separated from the sliding rod, the backrest main body is controlled to be turned to a required position, then the locking piece is controlled to be connected with the sliding rod, and adjustment is completed, the armrests are fixedly connected with the cushion main body, the armrests cannot move along with the movement of the backrest main body in the adjustment process, the armrests are fixed in the adjustment process, and the user can hold the armrests to support the body, so that the supine adjusting mechanism is convenient to operate. According to some embodiments of the utility model, a sliding groove is arranged in the handrail, the left end of the sliding groove is open, and the sliding rod is inserted into the sliding groove from left to right. According to some embodiments of the utility model, a first elastic member is connected between the sliding rod and the handrail, and the first elastic member is used for driving the sliding rod to move rightwards. According to some embodiments of the utility model, the right end of the chute is provided with an extension section extending rightward, and the first elastic piece is arranged in the extension section. According to some embodiments of the utility model, the upper sides of the chute and the extension section are provided with an open mouth, and the armrest is detachably provided with a cover plate, and the cover plate covers the open mouth. According to some embodiments of the utility model, a first opening is provided on the peripheral wall of the chute, the locking member is provided on the first opening, the locking member is a lever, the locking member is hinged to the handrail through a third hinge, two ends of the locking member are respectively referred to as a first end and a second end, the first end and the second end are respectively provided on the inner side and the outer side of the handrail, a second elastic member is connected between the locking member and the handrail, and the second elastic member is used for driving the first end to abut against the sliding rod. According to some embodiments of the utility model, the first opening is provided at a bottom of the chute. According to some embodiments of the utility model, the slide bar is arc-shaped, and the slide groove extends downwards from right to left in an arc shape. According to some embodiments of the utility model, a support column is connected between the left end of the armrest and the cushion member, the first hinge shaft is provided on the support column, and the first hinge shaft is located above the