CN105919328A - Seat with adjustable seat cushion - Google Patents

Abstract

The invention relates to a seat with an adjustable seat cushion. The seat comprises the seat cushion and a seat cushion framework, wherein the seat cushion comprises a soft cushion, a seat plate and a back-and-forth extension plate; the seat plate and the back-and-forth extension plate are covered by the soft cushion; the seat plate is provided with tooth rows; openings of the tooth rows are downward; the seat cushion framework is provided with positioning pins; the tooth rows downwardly buckle the positioning pins; the seat plate is lifted up to adjust the length of the seat cushion through backward or forward movement; tooth heads are arranged at the back end of the back-and-forth extension plate; correspondingly, strip-shaped teeth are arranged at the front end of the seat plate; the tooth heads are meshed with the strip-shaped teeth; the back-and-forth extension plate achieves back-and-forth extension through the tooth heads and the strip-shaped teeth so as to change the length of the seat cushion. According to the seat with the adjustable seat cushion, the length of the seat cushion can be adjusted through a two-section adjusting structure to suit people with different body heights, so that different people can use the seat suitable for personal body heights.

Description

Seat with adjustable cushion

technical field

The invention relates to a seat, in particular to a cushion-adjustable seat.

Background technique

The existing seat, its cushion length is generally all fixed size, and people often bring various inconveniences because of the stature problem during use, and its single performance can not satisfy people's demand, needs further improvement.

Contents of the invention

The object of the present invention is to provide an adjustable cushion-adjustable seat suitable for different statures.

The purpose of the present invention is achieved like this.

An adjustable cushion seat includes a cushion and a cushion frame, and the cushion includes a cushion, a seat plate, and front and rear expansion plates, and the seat plate and the front and rear expansion plates are covered by the cushion.

The seat plate is provided with row of teeth, the opening of the row of teeth is downward, and the frame of the seat cushion is provided with a positioning pin, and the row of teeth buckles the positioning pin downward. After the seat plate is lifted upward, the row of teeth is separated from the positioning pin, and the seat The board adjusts the length of the cushion by moving forward or backward.

The rear end of the front and rear expansion plates is provided with a tooth head, and the front end of the seat plate is provided with rack teeth correspondingly, and the tooth head and the bar teeth are engaged. With the expansion and contraction of the front and rear expansion plates, the length of the cushion is adjusted again, and the adjustment range of the cushion is also expanded.

The above-mentioned technical scheme can also be further improved as follows.

As a more specific solution, the rows of teeth are placed on both sides of the bottom of the seat plate, two rows of teeth are provided on each side of the seat plate, the positioning pins are placed on both sides of the cushion frame, and each side of the cushion frame is provided with two rows of teeth. Two alignment pins.

As a more specific solution, a "U"-shaped groove is provided in the middle of the rear ends of the front and rear expansion plates, the front end of the seat plate is placed in the "U"-shaped groove, and the "U"-shaped groove in the middle of the rear ends of the front and rear expansion plates When the groove makes the front and rear expansion plates retract backward, the front end of the seat plate has enough space to enter in the “U” shaped groove, and the position where the tooth head and the bar teeth engage is located at the intersection of the front and rear expansion plates and the seat plate.

The invention has a reasonable structural design, and adjusts the length of the seat cushion through a two-stage adjustment structure so as to adapt to people of different shapes, so that different people can use seats suitable for their own body shapes.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention (seat board and cushion are omitted).

Fig. 2 is a top view of the present invention (omitting the cushion).

Fig. 3 is a sectional view along the A-A direction of Fig. 2 (with cushion).

Fig. 4 is a schematic diagram of the structure when the row of teeth is in an unlocked state.

Fig. 5 is a schematic diagram of the structure when the row of teeth is in a locked state.

detailed description

The present invention will be further described below in conjunction with drawings and embodiments.

Embodiment 1, with reference to Fig. 1 to Fig. 5, an adjustable cushion seat, including a cushion 1 and a cushion frame 2, the cushion 1 includes a cushion 3, a seat plate 4 and a front and rear expansion plate 5, the seat The board 4 and the front and rear telescopic boards 5 are covered by the cushion 3 .

Both sides of the bottom surface of the seat plate 4 are respectively provided with two rows of teeth 6, and all rows of teeth 6 are opened downwards, and correspondingly, two sides of the seat cushion frame 2 are respectively provided with two positioning pins 7, and the rows of teeth 6 are located downwards in the positioning position. pin 7 on.

When adjustment is required, the seat plate 4 is lifted upwards, and the row of teeth 6 is separated from the positioning pin 7 with the elevation of the seat plate 4. At this time, the seat plate 4 can move forward and backward, and the length of the seat cushion 1 also changes accordingly, and the seat plate 4 moves to an appropriate position. The position of the seat is lowered, and the row of teeth 6 is seated on the positioning pin 7 again, and the seat cushion 1 and the seat cushion frame 2 are locked and fixed at the same time.

The rear end of the front and rear telescopic plate 5 is provided with a tooth head 8, and the middle of the rear end is provided with a "U"-shaped groove 10, and the front end of the seat plate 4 is provided with a bar tooth 9 and the front end is placed in the "U"-shaped groove 10.

The position where the gear head 8 meshes with the rack teeth 9 is located at the intersection of the seat plate 4 and the front and rear telescopic plates 5 .

When adjustment is required, pull the front and rear telescopic plates 5 forward, the tooth head 8 will move relative to the rack teeth 9, the cushion 1 itself will be elastic and elongated as the front and rear telescopic plates 5 move forward, and the length of the cushion 1 will also increase; push it back The front and rear telescopic plates 5, the tooth heads 8 move relative to the bar teeth 9, the cushion 1 itself has elasticity and shortens with the retraction of the front and rear telescopic plates 5, and the length of the seat cushion 1 is also shortened.

Claims (4)

1. a medicated cushion adjustable chair, including medicated cushion and cushion frame, it is characterised in that: described medicated cushion includes again cushion, Seat board and elastic plate, described seat board and elastic plate are covered by cushion；

Described seat board is provided with toothrow, and Open Side Down for toothrow, and described cushion frame is provided with alignment pin, and described toothrow is seated in downwards fixed On the pin of position；

Described elastic plate rear end is provided with tooth head, and respective seat front edge of board is provided with bar tooth, tooth head and the engagement of bar tooth therewith.

Medicated cushion adjustable chair the most according to claim 1, it is characterised in that: described toothrow is placed in both sides below seat board, The every side of seat board is respectively provided with two row's toothrows.

Medicated cushion adjustable chair the most according to claim 1, it is characterised in that: described alignment pin is placed in cushion frame two Side, the every side of cushion frame is respectively provided with two alignment pins.

Medicated cushion adjustable chair the most according to claim 1, it is characterised in that: middle, described elastic plate rear end sets Have " u "-shaped groove, seat board front end to be placed in " u "-shaped groove, described tooth head and bar tooth engagement position be located at elastic plate and The intersection of seat board.