坐垫组件及座椅
By designing an adjustable-length seat cushion assembly, the problem of fixed seat cushion length is solved using support blocks and locking mechanisms, achieving a comfortable sitting posture that adapts to users of different heights and improving the user experience of the seat.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU BLACK & WHITE TECH CO LTD
- Filing Date
- 2025-09-30
- Publication Date
- 2026-07-17
Smart Images

Figure CN224505010U_ABST
Abstract
Claims
1. A seat cushion assembly characterized by, The application relates to a chair, which comprises a seat cushion, a support block and a locking mechanism. The seat cushion comprises an upper surface, the support block is pivotally connected to the front end of the seat cushion so that the support block can swing back and forth relative to the seat cushion between a first position and a second position, the support block comprises a first support surface and a second support surface, the width of the second support surface is greater than that of the first support surface; when the support block is in the first position, the first support surface is connected to the front end of the upper surface of the seat cushion and forms a support surface together with the upper surface for providing support for a user; when the support block is in the second position, the second support surface is connected to the front end of the upper surface of the seat cushion and forms a support surface together with the upper surface for providing support for a user; and the locking mechanism is used for locking the support block and the seat cushion respectively when the support block is in the first position and the second position so that the support block and the seat cushion are kept relatively fixed. The seat cushion and the support block are both flexible in structure, a support frame is arranged below the seat cushion for providing support for the seat cushion, and the front end of the support frame is fixed with a mounting frame; the inside of the support block is embedded with a support skeleton for providing support for the support block, and the support skeleton is pivotally connected to the mounting frame so that the support block swings with the support skeleton between the first position and the second position.
2. The seat assembly of claim 1, wherein, The locking mechanism comprises a first elastic member arranged between the mounting frame and the support skeleton, which is used for applying elastic stress to the support skeleton so that the support skeleton always has a tendency to drive the support block to swing towards the first position; the locking mechanism further comprises a housing and a locking pin, the housing is fixed on the support skeleton, and the locking pin is slidingly arranged in the housing so that the locking pin can move between a position protruding from the side of the housing and a position accommodated in the inside of the housing; when the support block is in the second position, the locking pin is located at the position protruding from the side of the housing and abuts against the front side of the mounting frame.
3. The seat cushion assembly of claim 2, wherein, A transversely-extending sliding groove is arranged on the housing, the locking pin is slidingly embedded in the sliding groove so that the locking pin can move between the position protruding from the side of the housing and the position accommodated in the inside of the housing; a lever and an operating member are arranged on the housing, the operating member is movably connected to the housing, one end of the lever is connected to the locking pin, and the other end of the lever is connected to the operating member, so that when the operating member moves relative to the housing, the locking pin is slidingly driven in the sliding groove by the lever.
4. The seat cushion assembly of claim 3, wherein, A guide groove extending in the up-down direction is arranged on the housing, the operating member is slidingly embedded in the guide groove, and at least a part of the operating member is exposed outside the housing to form an operating end; a second elastic member is arranged between the housing and the operating member to upwardly push the operating member.
5. The seat cushion assembly of claim 4, wherein, The lever is L-shaped, the bent part of the middle part of the lever is pivotally connected to the housing, and the two ends of the lever are respectively provided with a first protruding column and a second protruding column; a first mounting groove extending along the length direction of the locking pin is arranged on the locking pin, the first mounting groove comprises a first end away from the side of the housing and a second end close to the side of the housing; a second mounting groove extending in the transverse direction is arranged on the operating member; the first protruding column is slidingly embedded in the first mounting groove, and the second protruding column is slidingly embedded in the second mounting groove; when the operating member moves downward relative to the housing, the second protruding column of the lever is downwardly driven to rotate the lever, so that the first protruding column of the lever applies a pushing force to the first end of the first mounting groove towards the inside of the housing.
6. The seat cushion assembly of claim 4, wherein, 7. The seat cushion assembly of claim 6, wherein, The third elastic member is embedded in the first mounting slot, one end of the third elastic member abuts against the first end of the first mounting slot, and the other end abuts against the first protruding column of the push rod.
8. The seat cushion assembly of claim 4, wherein, The mounting frame comprises two connecting arms, each of which comprises a horizontal support arm fixed on the support frame and extending forward from the support frame, and a vertical support arm extending upward from a front end of the horizontal support arm, the housing is located between the two connecting arms, the vertical support arms of the two connecting arms extend into the support framework and are respectively pivotally connected to the support framework through a rotating shaft, and the two rotating shafts are coaxially arranged; a circular table protruding outward and coaxial with the rotating shaft is arranged on the vertical support arm, and the first elastic member is a torsion spring sleeved on the circular table, one end of the torsion spring abuts against the vertical support arm, and the other end abuts against the support framework.
9. The seat cushion assembly of claim 8, wherein, The vertical support arm comprises an inner side surface facing the housing, and the inner side surface is provided with a recessed position recessed outward, an outer wall of the recessed position is gradually inclined toward the housing from back to front, and when the housing swings with the support block from the first position to the second position, the outer wall of the recessed position pushes the locking pin toward the inside of the housing, and when the support block is located at the second position, the locking pin abuts against the front side of the vertical support arm.
10. A seat, characterized by The cushion assembly comprises any one of claims 1-9. The third elastic member is embedded in the first mounting slot, one end of the third elastic member abuts against the first end of the first mounting slot, and the other end abuts against the first protruding column of the push rod.