CN217574955U

CN217574955U - Cushion lifting mechanism of integrated child seat

Info

Publication number: CN217574955U
Application number: CN202221074563.1U
Authority: CN
Inventors: 游双全
Original assignee: Chongqing Shuangma Technology Co ltd
Current assignee: Chongqing Shuangma Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-14
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a cushion lifting mechanism of an integrated child seat.A child seat framework is connected on an automobile seat framework through a connecting rod assembly and a damper, the connecting rod assembly comprises at least two connecting rods, the upper end of each connecting rod is hinged with the child seat framework, and the lower end of each connecting rod is connected with the automobile seat framework through a coil spring; when the coil spring acts and drives the child seat framework to rise by virtue of the elasticity of the coil spring, the damper is compressed to realize the slow rise of the child seat framework; when the child seat framework is driven by external force and reset, the damper also resets. By adopting the structure, compared with the common electric/hydraulic telescopic device for driving the child seat to lift, the child seat has the advantages that the manufacturing cost and the using cost can be greatly reduced, and the stability and the safety are better.

Description

Cushion lifting mechanism of integrated child seat

Technical Field

The utility model discloses the vehicle relates to car seat, especially relates to a cushion lifting mechanism of integrated children's seat.

Background

An integrated child seat, typically referred to as a middle or rear seat of an automobile, has a child seat mounted thereon. At present, most of middle-row and rear-row seats for automobiles are rarely integrated with child seats, and the child seats are independently added and mounted on the original automobile seats to protect children; obviously, this adds extra cost to the vehicle owner and causes much inconvenience to the rear passengers when the child seat is installed.

The prior document CN215474624U discloses an integrated child seat, which includes a backrest and a main cushion, wherein a first cavity with an upward opening is formed in the main cushion, and a child seat is arranged in the first cavity; the child seat comprises a folding mechanism, a child seat cushion, a button, a motor and an ejector rod, wherein the folding mechanism is arranged in the first concave cavity, and the upper end of the folding mechanism is connected with the child seat cushion. However, the seat has a problem of poor stability and safety during the seating of the child. More critically, the existing integrated child seats usually adopt an electric/hydraulic telescopic device to drive the child seat to lift, which has the problem of high manufacturing cost and high use cost.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a cushion lifting mechanism of an integrated child seat, so as to solve the technical problems of high manufacturing cost and high use cost of the existing integrated child seat; the second purpose is to provide a cushion lifting mechanism of an integrated child seat, so as to solve the technical problem that the existing integrated child seat is poor in stability and safety.

In order to achieve the above object, the present invention provides an integrated child seat cushion lifting mechanism as follows.

The utility model provides an integrated children's seat's cushion lifting mechanism which characterized in that: the child seat framework is connected to the automobile seat framework through a connecting rod assembly and a damper, and the connecting rod assembly comprises at least two connecting rods, the upper ends of the connecting rods are hinged to the child seat framework, and the lower ends of the connecting rods are connected to the automobile seat framework through coil springs; when the coil spring acts and drives the child seat framework to rise by virtue of the elasticity of the coil spring, the damper is compressed to realize the slow lifting of the child seat framework; when the child seat framework is driven by external force and reset, the damper also resets. With such a structure, compared with the common electric/hydraulic telescopic device for driving the child seat to lift, the manufacturing cost and the use cost can be reduced by 70% or more.

Further, the child seat further comprises a locking mechanism for locking the child seat framework; locking mechanism is including setting up a plurality of draw-in grooves at connecting rod top, be provided with the fastener on the children's seat skeleton, work as when the children's seat skeleton is in the state after by the lifting or initial condition (the children's seat skeleton top of initial condition aligns/flushes with car seat skeleton top), it is right in order to realize hooking the draw-in groove that corresponds through the locking hook on the fastener children's seat skeleton spacing.

For convenient operation, the draw-in groove sets up the border at connecting rod top, the fastener is articulated to be connected on the children's seat skeleton, be connected with on the fastener and be used for controlling fastener pivoted cable.

In order to save the occupied space of the cushion lifting mechanism, the clamping piece is positioned between the two connecting rods on the same side.

In order to further improve the stability of the cushion lifting mechanism, four connecting rods are arranged, the upper ends of the four connecting rods are respectively connected to a first longitudinal beam of the child seat framework, and the lower ends of the four connecting rods are respectively connected to a second longitudinal beam of the automobile seat framework; the locking mechanism is located on the inner side of the longitudinal beam of the child seat framework.

Preferably, the two coil springs are connected to the two links on the side close to the backrest frame of the automobile seat, respectively.

Preferably, the lower end of the damper is fixedly connected to a middle longitudinal beam of the automobile seat framework.

More preferably, two of the connecting rods are connected by a cross rod, the damper is arranged obliquely upwards, and the upper end of the damper is connected with the cross rod.

In order to lock and release (i.e. unlock) the cushion lifting mechanism more flexibly, the tail end of the inhaul cable is connected with a movable piece, the movable piece is positioned at the inner side of the clamping piece and is hinged with the clamping piece, the front end of the inhaul cable is connected with an operating part, and the operating part is installed on a cross beam at the front side of the child seat framework; the rotating shaft for installing the clamping piece is provided with a torsion spring, one claw part of the torsion spring is reversely buckled on the upper edge of the clamping piece, so that the clamping piece always receives downward deflection force, when the inhaul cable is pulled, the clamping piece deflects upwards, and when the inhaul cable is loosened, the clamping piece resets under the elasticity of the torsion spring.

More preferably, after the locking hook on the clip is disengaged from the clip groove, the child seat frame is lowered and reset by means of pressure applied by the palm of an adult or the gravity of the child seat frame itself.

Has the beneficial effects that: in the initial state, the locking hooks on the clamping pieces hook the corresponding clamping grooves to limit the child seat framework, when the child seat framework is unlocked from the initial state, the coil springs act and drive the child seat framework to rise by means of the elasticity of the coil springs (the connecting rods are ejected by the coil springs substantially), the damper is compressed to realize slow lifting of the child seat framework, and after the child seat framework is lifted in place, the locking hooks on the clamping pieces hook the corresponding clamping grooves to limit the child seat framework, so that a child can sit on the child seat framework; when the child seat framework is lifted to a proper position, on one hand, the locking hook on the clamping piece hooks the clamping groove to clamp and limit the child seat framework, so that the child seat framework is prevented from swinging and rotating, on the other hand, the child seat framework is supported and limited by the damper, and then the child seat framework is supported by matching with the connecting rods, so that the stability and the safety of the child seat framework are greatly improved; when locking children's seat skeleton, only need stimulate the cable earlier, treat children's seat skeleton and loosen the cable after the suitable position is lifted, in the draw-in groove can be hooked smoothly to the locking hook on the fastener, whole locking mechanism is with the help of mutually supporting of cable, movable piece, fastener, torsional spring for in the operation process more nimble, light, convenient. The utility model provides an integrated children's seat's cushion lifting mechanism still has the advantage that manufacturing cost and use cost are low, and more accords with the use custom.

Drawings

Fig. 1 is a schematic view of a cushion lifting mechanism of an integrated child seat according to embodiment 1 (a state in which a child seat frame is lifted);

fig. 2 is a schematic side view of a cushion lifting mechanism of the integrated child seat of embodiment 1;

FIG. 3 is a schematic view of a child seat frame in embodiment 1;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an enlarged view of the portion B in fig. 1.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

As shown in fig. 1 to 5, in a seat cushion lifting mechanism of an integrated child seat, a child seat frame 1 is connected to a car seat frame 4 through a link assembly and a damper 3, the link assembly includes four links 2, the upper ends of which are connected to the child seat frame 1 in a hinged manner, and the lower ends of which are connected to the car seat frame 4 through coil springs 10 (specifically, the upper end of each link 2 is connected to a first longitudinal beam 11 of the child seat frame 1, the lower ends of two links 3 near a car seat back frame 9 side are connected to a second longitudinal beam 12 of the car seat frame 4 through the coil springs 10, and the lower ends of the other two links 2 are connected to the second longitudinal beam 12 of the car seat frame 4 in a hinged manner, respectively); when the coil spring 10 acts and drives the child seat framework 1 to lift by virtue of the elastic force of the coil spring, the damper 3 is compressed to realize the slow lifting of the child seat framework 1; when the child seat frame 1 is driven by an external force and is reset, the damper 3 is also reset. Wherein, 3 lower extremes of attenuator are fixed connection car seat frame 4 on the middle longeron 13, and wherein two connecting rods 2 pass through horizontal pole 5 and connect, and 3 oblique upwards arrange and its upper end connection horizontal pole 5. Still including the locking mechanism who is used for locking children's seat skeleton 1, locking mechanism is located 11 inboards of longeron of children's seat skeleton 1, and locking mechanism is provided with fastener 15 including setting up a plurality of draw-in grooves 14 at connecting rod 2 top on children's seat skeleton 1, and when children's seat skeleton 1 was in state or initial condition after being lifted, all hooked the draw-in groove 14 that corresponds through locking hook 17 on fastener 15 in order to realize spacing to children's seat skeleton 1.

In this embodiment: the clamping groove 14 is arranged at the edge of the top of the connecting rod 2, the clamping piece 15 is hinged to the child seat framework 1 (the clamping piece 15 is sleeved on the pin shaft, and the pin shaft is connected to the first longitudinal beam 11 of the child seat framework 1), the clamping piece 15 is connected with a pull rope 16 for controlling the rotation of the clamping piece 15, and the clamping piece 15 is positioned between the two connecting rods 2 on the same side; more specifically: the tail end of the inhaul cable 16 is connected with a movable piece 18, the movable piece 18 is positioned on the inner side of the clamping piece 15 and is hinged with the clamping piece 15, the front end of the inhaul cable 16 is connected with an operating part 19, and the operating part 19 is installed on a cross beam on the front side of the child seat framework 1; a torsion spring 20 is arranged on a pin shaft of the installation clamping piece 15, one claw part of the torsion spring 20 is reversely buckled on the upper edge of the clamping piece 15 (one claw part of the torsion spring 20 is provided with a U-shaped bend, and the upper edge of the clamping piece 15 is attached to the inner side wall of the U-shaped bend), so that the clamping piece 15 always bears the downward deflection force (namely the force for driving the clamping piece 15 to deflect clockwise in figure 4), when the inhaul cable 16 is pulled, the clamping piece 15 deflects upwards (anticlockwise deflection in figure 4), and when the inhaul cable 16 is loosened, the clamping piece 15 resets under the elasticity of the torsion spring 20.

When the child seat framework is used, after the child seat framework 1 is lifted to a proper position, on one hand, the locking hooks 17 on the clamping pieces 15 hook the clamping grooves 14 to clamp and limit the child seat framework 1 (as shown in fig. 1 and 4), so that the child seat framework 1 is prevented from swinging and rotating, on the other hand, the damper 3 is used for supporting and limiting the child seat framework 1, and the plurality of connecting rods 2 are matched to support the child seat framework 1, so that the stability and the safety of the child seat framework 1 are greatly improved; when locking children's seat skeleton 1, only need stimulate cable 16 earlier, treat children's seat skeleton 1 and loosen cable 16 after being lifted suitable position again, locking hook 17 on fastener 15 alright hook draw-in groove 14 smoothly, whole locking mechanism is with the help of cable 16, movable plate 18, fastener 15, torsional spring 20 mutually support for it is more nimble, light, convenient in the operation process.

Under the initial state, hook corresponding draw-in groove 14 with the help of locking hook 17 on fastener 15 in order to realize spacing to child seat skeleton 1, when from the initial state unblock, coil spring 10 action and the in-process that drives child seat skeleton 1 with the help of its elasticity rise (in essence through coil spring 10 with connecting rod 2 bounce), attenuator 3 is compressed in order to realize the slow lifting of child seat skeleton 1, after the lifting targets in place, hook corresponding draw-in groove 14 with the help of locking hook 17 on fastener 15 again in order to realize spacing to child seat skeleton 1, alright now supply children to take.

In other embodiments with reference to example 1: four coil springs 10 may be provided, and the lower ends of all the links 2 are connected to the car seat frame 4 through the coil springs 10: two coil springs 10 can be arranged, and the lower ends of the two connecting rods 2 positioned at the opposite corners are connected with the automobile seat framework 4 through the coil springs 10; a coil spring 10 can be arranged, wherein the lower end of one connecting rod 2 is connected with the automobile seat framework 4 through the coil spring 10; a plurality of sets of locking mechanisms can be arranged; in addition, can be provided with the cushion on children's seat skeleton 1 to in 1 reset in-process at children's seat skeleton plays the cushioning effect.

Claims

1. The utility model provides an integrated children's seat's cushion lifting mechanism which characterized in that: the child seat framework (1) is connected to the automobile seat framework (4) through a connecting rod assembly and a damper (3), the connecting rod assembly comprises at least two connecting rods (2) of which the upper ends are hinged to the child seat framework (1) and the lower ends are connected to the automobile seat framework (4) through coil springs (10); when the coil spring (10) acts and drives the child seat framework (1) to lift by virtue of the elasticity of the coil spring, the damper (3) is compressed to realize the slow lifting of the child seat framework (1); when the child seat framework (1) is driven by external force and reset, the damper (3) also resets.

2. The seat cushion lifting mechanism of claim 1, wherein: the child seat further comprises a locking mechanism for locking the child seat framework (1); locking mechanism is including setting up a plurality of draw-in grooves (14) at connecting rod (2) top, be provided with fastener (15) on child seat skeleton (1), work as when child seat skeleton (1) is in the state after the lifting or initial condition, it is right in order to realize to hook corresponding draw-in groove (14) through locking hook (17) on fastener (15) child seat skeleton's (1) spacing.

3. The seat cushion lifting mechanism according to claim 2, wherein: the clamping groove (14) is formed in the edge of the top of the connecting rod (2), the clamping piece (15) is hinged to the child seat framework (1), and the clamping piece (15) is connected with a pull rope (16) used for controlling the clamping piece (15) to rotate.

4. A seat cushion lifting mechanism according to claim 3, wherein: the clamping piece (15) is positioned between the two connecting rods (2) on the same side.

5. The seat cushion lifting mechanism according to claim 4, wherein: the four connecting rods (2) are arranged, the upper ends of the four connecting rods are respectively connected to a first longitudinal beam (11) of the child seat framework (1), and the lower ends of the four connecting rods are respectively connected to a second longitudinal beam (12) of the automobile seat framework (4); the locking mechanism is located on the inner side of a first longitudinal beam (11) of the child seat framework (1).

6. A seat cushion lifting mechanism according to any one of claims 1 to 5, wherein: the two coil springs (10) are respectively connected to the two connecting rods (2) close to the back frame side of the automobile seat.

7. The seat cushion lifting mechanism of claim 6, wherein: the lower end of the damper (3) is fixedly connected with a middle longitudinal beam (13) of the automobile seat framework (4).

8. The seat cushion lifting mechanism of claim 7, wherein: wherein two connecting rods (2) are connected through a cross rod (5), the damper (3) is arranged obliquely upwards, and the upper end of the damper is connected with the cross rod (5).

9. A seat cushion lifting mechanism according to claim 3, wherein: the tail end of the inhaul cable (16) is connected with a movable piece (18), the movable piece (18) is positioned on the inner side of the clamping piece (15) and is hinged with the clamping piece (15), the front end of the inhaul cable (16) is connected with an operating part (19), and the operating part (19) is installed on a cross beam on the front side of the child seat framework (1); the installation be provided with torsional spring (20) in the pivot of fastener (15), one of them claw back-buckling of torsional spring (20) is in edge on fastener (15), so that fastener (15) receive the power that deflects downwards all the time, when the pulling during cable (16), fastener (15) upwards deflect, loosen again during cable (16), fastener (15) restore to the throne under the elasticity of torsional spring (20).

10. The seat cushion lifting mechanism of claim 2, wherein: when the locking hook (17) on the clamping piece (15) is separated from the clamping groove (14), the child seat framework (1) descends and resets by means of pressure applied by the palm of an adult or the gravity of the child seat framework (1).