TWI599498B - Extension support assembly of car seat - Google Patents

Description

Car seat extension support assembly

The present invention relates to automotive seat extension support assemblies, and more particularly to a vehicle seat extension support assembly that is configured to reduce the volume of the mechanism by its component stacking configuration.

Older car seats lacked support for the length of the chair, so the occupant's legs lacked support and the long-distance ride comfort was poor. In order to provide a more comfortable ride environment for car occupants, some existing car seats have a mechanism that can extend the seat surface. In general, the mechanism for extending the seat surface includes a movable seat cushion which is disposed on the front side of the car seat by the slide rail, so that the length of the seat surface can be extended by sliding and pulling, which is generally performed by a rack and The hooks are positioned to be hooked to each other, and the hooks can be pulled by the lever to release the handle. However, these components are bulky and require a considerable amount of operating space for pivoting. If the components are buried in the seat cushion, the comfort of the seat cushion is reduced; if attached to the seat cushion, the seat may be interfered with.

In view of the above, the inventors of the present invention have made great efforts to solve the above problems in view of the above-mentioned prior art, and have made great efforts to solve the above problems, which has become the object of improvement of the present inventors.

The present invention provides a car seat extension support assembly that is configured by a component stack to reduce the volume of the mechanism.

The invention provides an automobile seat extension support assembly which is disposed in a seat of a car seat and comprises a fixing plate, a control plate, a claw piece, a constant moving piece, a connecting rod and an extending plate. The fixing plate is fixed to the seat and horizontally arranged, and an edge of the fixing plate is formed with a plurality of positioning teeth. The control board is slidably connected to the fixed board and stacked with the fixed board, and the control board is provided with a guiding slot. The claw pieces are stacked and pivoted to the control board, and the claw pieces are hooked to one of the positioning teeth, and a guide pin is disposed on the claw piece. The actuating sheet is stacked on the control board and is disposed in the guiding groove. One side edge of the actuating sheet is formed with a chamfer for pushing against the guide pin. The connecting rod is pivotally mounted on the control board and pivots the actuating piece. The extension board is fixedly connected to the control board and stacked with the fixed board and the control board.

In the car seat extension support assembly of the present invention, the fixing plate defines an actuating opening, and the claw piece and the actuating piece are accommodated in the actuating opening. A side of the actuating opening is formed with a notch to allow passage of the pawl and the actuating plate. A retaining wall is protruded from an edge of the fixing piece, and the retaining wall is spanned in the gap. The positioning teeth are protruded from the inner edge of the actuation opening.

The automobile seat extension support assembly of the present invention, wherein an elastic member for separating the fixed plate and the control plate is interposed between the fixed plate and the control plate. The extension plate defines a sliding slot, and the sliding slot is provided with a sliding bracket fixed to the seat. The claw piece and the actuating piece are stacked. One side edge of the claw piece forms a claw portion for hooking one of the positioning teeth. A pivoting seat is protruded from the control board toward the fixing plate, and the connecting rod is pivoted on the pivoting seat.

In the car seat extension support assembly of the present invention, the fixing plate has a first sliding rail, the control panel has a second sliding rail, and the first sliding rail is slidably connected to the second sliding rail.

In the automobile seat extension support assembly of the present invention, the fixing plate, the control plate, the claw piece, the actuating piece and the extension plate are all plate-like members and are arranged in a stack, because the volume of the mechanism can be reduced.

Referring to FIG. 1, a preferred embodiment of the present invention provides a vehicle seat extension support assembly that is disposed within a vehicle seat 10. In general, the car seat 10 includes a seat 11 that is horizontally configured for seating and a seat back 12 that is uprightly configured for rest. The car seat extension support assembly of the present invention is disposed on the front side of the seat 11 for carrying an extended seat cushion 13 which can be pulled out from the front side of the seat 11 by the car seat extension support assembly of the present invention. To support the occupant's legs.

Referring to FIG. 2 to FIG. 4 , in the embodiment, the automobile seat extension support assembly of the present invention comprises a fixed plate 100 , a control plate 200 , a claw piece 300 , a constant motion piece 400 , a connecting rod 500 and an extension Board 600.

The fixing plate 100 is fixed to the seat 11 (see FIG. 1 ) and is horizontally disposed. The fixing plate 100 defines an actuation opening 101 , and a side of the actuation opening 101 defines a notch 102 . A retaining wall 130 is protruded from an edge of the fixing piece, and the retaining wall 130 is spanned on the notch 102. A plurality of positioning teeth 110 arranged in a row are protruded from the inner edge of the actuation opening 101.

The control board 200 is stacked with the fixed board 100, and the control board 200 is slidably coupled to each other by at least one pair of the first slide rails 120 and the second slide rails 210 respectively disposed on the fixed board 100 and the control board 200. Therefore, the control board 200 and the fixed board 100 can relatively move along the extending direction of the first rail 120 and the second rail 210. A guiding slot 201 is disposed on the control board 200. The guiding direction of the guiding slot 201 is parallel to the extending direction of the first sliding rail 120 and the second sliding rail 210. At least one elastic member 220 is interposed between the fixing plate 100 and the control board 200. The fixing plate 100 and the control board 200 can be separated by the elastic member 220. A pivoting seat 230 is protruded from the control board 200 toward the fixing plate 100.

The claw piece 300 is stacked on the control board 200 and pivoted to the control board 200. The claw piece 300 is accommodated in the actuation opening 101 of the fixing plate 100. The pivoting axis of the claw piece 300 is parallel to the positive direction of the fixed plate 100 and the control plate 200, so the actuation range of the claw piece 300 is limited to the fixed plate 100 and the control. The overlapping faces of the plates 200. Also, when the control board 200 is slid relative to the fixed plate 100, the claw piece 300 can move through the notch 102 of the actuation opening 101. The claw piece 300 is hooked to one of the positioning teeth 110, and one side edge of the claw piece 300 forms a claw portion 320 for hooking one of the positioning teeth 110. The claw piece 300 is provided with a guide pin 310. The claw piece 300 is provided with an elastic member 330 for pushing the claw piece 300 to pivot so that the claw portion 320 is hooked to the positioning tooth 110.

The actuation flaps 400 are stacked on the control panel 200 and housed within the actuation opening 101, and the jaws 300 are preferably stacked on the actuation tab 400. The actuation piece 400 is disposed in the guiding groove 201 and can linearly slide along the guiding groove 201. The actuation range of the actuation piece 400 is limited to the overlapping surface of the fixing plate 100 and the control board 200, and the actuation piece 400 moves. The gap 102 of the opening 101 can be actuated. One side edge of the actuating piece 400 is formed with a chamfer 410, and when the actuating piece 400 moves toward the claw piece 300, its chamfer 410 pushes against the guide pin 310.

The connecting rod 500 is pivotally disposed on the control board 200, and the connecting rod 500 is pivotally disposed on the pivoting seat 230. In the embodiment, the connecting rod 500 is preferably in the shape of a handle and can be used for pulling the pivot turn. The connecting rod 500 is provided with an elastic member 510 capable of pushing the connecting rod 500 to pivot to drive the actuating piece 400 away from the positioning tooth 110. Furthermore, the movement stroke of the control board 200 can be limited by the retaining wall 130 on the fixed plate 100 stopping the link 500.

The extension plate 600 is provided with the aforementioned extension seat pad 13 , and the extension plate 600 is stacked with the fixed plate 100 and the control board 200 , and the extension plate 600 is fixedly connected to the control board 200 to be interlocked with the control board 200 . The extension plate 600 defines a sliding slot 601. The sliding slot 601 defines a sliding 610 for fixing the seat 11. Therefore, the movement of the calibration extension plate 600 can be further defined.

Referring to FIG. 1 , FIG. 5 to FIG. 8 , when the extension seat cushion 13 needs to be moved, the control panel 200 and the extension plate 600 can be along the rail relative to the fixed plate 100 by pulling the connecting rod 500 to drive the claw piece 300 to release the fixing plate 100 . mobile. Since the occupant pulls the control panel 200 forward to pull the control panel 200 less easily, the elastic member 220 between the fixed panel 100 and the control panel 200 can separate the fixed panel 100 and the control panel 200, thereby causing the extension cushion 13 to be extended. Remove the seat and be ergonomic. When the connecting rod 500 is pulled, the connecting rod 500 pivots to drive the actuating piece 400 to slide along the guiding groove 201, and the chamfer 410 of the actuating piece 400 pushes against the guide pin 310 on the claw piece 300. The guide pin 310 slides against the chamfer 410 to enable the pawl 300 to pivot to disengage the claw portion 320 from the positioning tooth 110. When the extended seat cushion 13 is adjusted to the selected position of the demand, when the connecting rod 500 is released, the pivotal reset of the connecting rod 500 can drive the actuating piece 400 to slide away from the guide pin 310 along the guiding groove 201, and the claw piece 300 can be pivoted. The rotation reset causes the claw portion 320 to hook the positioning tooth 110. The positioning teeth 110 can be selectively hooked by the claws 320 to secure the extended seat cushion 13 in different selected positions.

The automobile seat extension support assembly of the present invention, the fixing plate 100, the control plate 200, the claw piece 300, the actuation piece 400 and the extension plate 600 are all plate-like members and are stacked, and the claw piece 300 and the actuation piece 400 are provided. The range of the operating space is limited to the same plane, and it is easy to dispose in the car seat 10 because the volume and the operating space of the mechanism can be reduced.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and other equivalent variations of the patent spirit of the present invention are all within the scope of the invention.

10‧‧‧ car seats

11‧‧‧ seat

12‧‧‧Back of the chair

13‧‧‧Extension seat cushion

100‧‧‧ fixed board

101‧‧‧ actuation opening

102‧‧‧ gap

110‧‧‧ positioning teeth

120‧‧‧First slide rail

130‧‧‧Retaining wall

200‧‧‧Control panel

201‧‧‧ guiding slot

210‧‧‧Second rail

220‧‧‧Flexible parts

230‧‧‧ pivoting seat

300‧‧‧ claws

310‧‧ ‧ sales guide

320‧‧‧ claws

330‧‧‧Flexible parts

400‧‧‧Acoustic film

410‧‧‧Chamfering

500‧‧‧ linkage

510‧‧‧Flexible parts

600‧‧‧ Extension board

601‧‧ ‧ chute

610‧‧‧Slide

1 is a schematic view showing the configuration of a car seat extension support assembly according to a preferred embodiment of the present invention.

2 is a perspective exploded view of a car seat extension support assembly in accordance with a preferred embodiment of the present invention.

3 is a perspective view of a car seat extension support assembly in accordance with a preferred embodiment of the present invention.

4 is a perspective top view of a car seat extension support assembly in accordance with a preferred embodiment of the present invention.

FIG. 5 is a perspective view showing the release of the automobile seat extension support assembly according to the preferred embodiment of the present invention.

Figure 6 is a top plan view of the car seat extension support assembly in accordance with a preferred embodiment of the present invention.

Figure 7 is a perspective view showing the state in which the automobile seat extension support assembly of the preferred embodiment of the present invention is activated.

Figure 8 is a plan view showing the state in which the automobile seat extension support assembly of the preferred embodiment of the present invention is activated.

100‧‧‧ fixed board

101‧‧‧ actuation opening

102‧‧‧ gap

110‧‧‧ positioning teeth

120‧‧‧First slide rail

130‧‧‧Retaining wall

200‧‧‧Control panel

201‧‧‧ guiding slot

210‧‧‧Second rail

220‧‧‧Flexible parts

230‧‧‧ pivoting seat

300‧‧‧ claws

310‧‧ ‧ sales guide

320‧‧‧ claws

400‧‧‧Acoustic film

410‧‧‧Chamfering

500‧‧‧ linkage

600‧‧‧ Extension board

601‧‧ ‧ chute

610‧‧‧Slide

Claims (11)

A car seat extension support assembly is disposed within a seat of a car seat, the car seat extension support assembly comprising: a fixed plate fixed to the seat and horizontally disposed, an edge of the fixed plate Forming a plurality of positioning teeth; a control board, sliding the fixing plate and being stacked with the fixing plate, the control plate is provided with a guiding groove; a claw piece stacked and pivoted to the control board, the claw piece hook One of the positioning teeth is disposed, and a guiding pin is disposed on the claw piece; an actuating piece is stacked on the control board and is disposed in the guiding groove, and a side edge of the actuating piece is formed to push the a chamfer of the guide pin; a link pivotally disposed on the control board and pivotally connecting the actuating plate; and an extension plate fixedly connected to the control board and stacked with the fixed plate and the control board. The vehicle seat extension support assembly of claim 1, wherein the fixing plate defines an actuation opening, and the claw piece and the actuation piece are received within the actuation opening. The car seat extension support assembly of claim 2, wherein a side of the actuation opening is formed with a notch to allow the claw piece and the actuation piece to pass. The car seat extension support assembly of claim 3, wherein an edge of the fixing piece protrudes from a retaining wall, the retaining wall spanning the notch. The car seat extension support assembly of claim 2, wherein the positioning teeth protrude from an inner edge of the actuation opening. The car seat extension support assembly of claim 1, wherein an elastic member for separating the fixing plate and the control plate is interposed between the fixing plate and the control plate. The car seat extension support assembly of claim 1, wherein the extension plate defines a sliding slot, and the sliding slot is provided with a sliding block fixed to the seat. The car seat extension support assembly of claim 1, wherein the claw piece and the actuating piece are stacked. A car seat extension support assembly according to claim 1, wherein a side edge of the claw piece forms a claw portion for hooking one of the positioning teeth. The vehicle seat extension support assembly of claim 1, wherein a pivoting seat is protruded from the control panel toward the fixing plate, and the connecting rod is pivotally mounted on the pivoting seat. The vehicle seat extension support assembly of claim 1, wherein the fixed plate has a first slide rail, the control panel has a second slide rail, and the first slide rail slides the second slide rail.