Zero-gravity seat with shaking function

Abstract

The invention relates to a zero-gravity seat with a shaking function, the zero-gravity seat comprises a backrest assembly, a backrest adjusting assembly, a cushion assembly, a lifting component and a shaking mechanism assembly, the backrest adjusting assembly and the lifting component drive a seat backrest and a seat cushion to be subjected to zero-gravity posture adjustment, and the shaking mechanism assembly is used for shaking in the zero-gravity posture of the seat. The shaking mechanism assembly is composed of two four-connecting-rod mechanisms installed on the seat sliding rail assembly and a shaking driving mechanism installed on one of the four-connecting-rod mechanisms, and each four-connecting-rod mechanism comprises an installation support fixedly connected to the seat sliding rail, a shaking support fixedly connected to the fixed end of the bottom of the lifting component, a front connecting rod and a rear connecting rod; the shaking driving mechanism comprises a driving motor mounted on the mounting bracket, an eccentric turntable mounted on a motor driving shaft, and a driving connecting rod for connecting the eccentric turntable with the front connecting rod; the invention has the advantages that the shaking function is added, and the increasing customer requirements on the market are met.

Description

Technical Field

[0001] The invention relates to the technical field of automobiles, and in particular to a zero-gravity seat with a shaking function. Background Art

[0002] With the rapid development of the automobile industry and the improvement of people's living standards, people have higher and higher requirements for the riding comfort of car seats, especially zero-gravity car seats have been raised to a high level of attention recently. For example, Chinese patent CN202411007122.3 discloses a seat with a zero-gravity lying function, and discloses mechanisms such as a backrest side panel, a backrest adjustment component, a seat cushion adjustment component, a seat frame side panel, a rear transverse tube of the seat cushion, a front connecting rod and a lifting member. The lifting member drives the front connecting rod to rotate upward, so that the seat frame side panel rotates around the rear transverse tube of the seat cushion, and the backrest adjustment component drives the backrest side panel to rotate backward, realizing a zero-gravity seat, otherwise it returns to a normal use state, with a simpler structure and strong strength. However, since the current zero-gravity seats do not have a shaking function, there is an urgent need for a zero-gravity seat with a shaking function, which is used to shake the seat in a zero-gravity posture. Summary of the invention

[0003] In view of the above problems, the purpose of the present invention is to provide a zero-gravity seat with a rocking function, which adds a rocking function on the basis of the seat having height adjustment and zero gravity functions to meet the increasing customer requirements in the market and overcome the shortcomings of the above-mentioned prior art.

[0004] A zero-gravity seat with a rocking function provided by the present invention comprises: a backrest assembly, a backrest adjustment component for driving the backrest assembly to adjust backward, a seat cushion assembly, and a lifting component for driving the seat cushion assembly to lift and adjust, wherein the backrest adjustment component and the lifting component drive the seat back and the seat cushion to adjust the zero-gravity posture, and the improvement made is that it also comprises a rocking mechanism assembly, wherein the rocking mechanism assembly is used for rocking the seat in the zero-gravity posture, wherein the rocking mechanism assembly is installed between the seat slide rail assembly and the lifting component, wherein the rocking mechanism assembly is composed of two four-bar linkages installed on the seat slide rail assembly, and a rocking drive mechanism installed on one of the four-bar linkages, wherein the two four-bar linkages are symmetrically installed on the two seat slide rails, and wherein the four-bar linkage comprises: a mounting bracket fixedly connected to the seat slide rail, a mounting bracket fixedly connected to the lifting component A rocking bracket on the bottom fixed end, and a front connecting rod and a rear connecting rod, the bottom ends of the front connecting rod and the rear connecting rod are hinged on the mounting bracket, and the top ends of the front connecting rod and the rear connecting rod are hinged on the rocking bracket, and the rocking drive mechanism comprises: a driving motor mounted on the mounting bracket, an eccentric turntable mounted on the motor driving shaft, and a driving connecting rod connecting the eccentric turntable and the front connecting rod, an eccentric shaft is mounted on the eccentric turntable, and a hinge shaft is mounted at the middle position of the front connecting rod, one end of the driving connecting rod is hinged on the eccentric shaft, and the other end of the driving connecting rod is hinged on the hinge shaft of the front connecting rod, the driving motor drives the eccentric turntable to rotate, and the eccentric shaft on the eccentric turntable drives a four-bar mechanism through the driving connecting rod, and the rocking bracket in the four-bar mechanism drives the seat cushion and the seat back to rock back and forth in the zero gravity posture of the seat cushion.

[0005] As a preferred embodiment of the present invention, the front end of the rocking bracket is fixedly connected to the front lifting connecting rod of the lifting component, and the rear end of the rocking bracket is fixedly connected to the rear cross tube of the seat cushion.

[0006] As a preferred embodiment of the present invention, the eccentric shaft is fixedly connected to the side of the eccentric turntable and is arranged parallel to the driving shaft.

[0007] The beneficial effects of the present invention are as follows:

[0008] 1. The present invention has a shaking function in addition to the height adjustment and zero gravity functions, thus meeting the increasing customer requirements in the market.

[0009] 2. The present invention has the advantages of simple structure and low cost while realizing the shaking function. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] By referring to the following description in conjunction with the accompanying drawings, and with a more comprehensive understanding of the present invention, other objects and results of the present invention will become more apparent and easy to understand. In the accompanying drawings:

[0011] Figure 1Schematic diagram of the overall structure of the zero-gravity chair in this embodiment in a normal posture.

[0012] Figure 2 Schematic diagram of the overall structure of the zero-gravity chair in this embodiment in a zero-gravity posture.

[0013] Figure 3 Schematic diagram of the overall structure of the zero-gravity chair in this embodiment in a zero-gravity posture and a shaking posture.

[0014] Figure 4 It is an exploded view of the zero-gravity seat frame, rocking mechanism assembly and seat slide rail assembly in this embodiment.

[0015] Figure 5 It is an exploded view of the shaking mechanism assembly in this embodiment.

[0016] The accompanying drawings include: backrest assembly 1, backrest adjustment component 2, seat cushion assembly 3, lifting component 4, rocking mechanism assembly 5, mounting bracket 501, rocking bracket 502, front connecting rod 503, rear connecting rod 504, driving motor 505, eccentric turntable 506, driving connecting rod 507, eccentric shaft 508, hinge shaft 509, seat slide rail assembly 6, seat slide rail 601. DETAILED DESCRIPTION

[0017] See also Figure 1-5As shown, a zero-gravity seat with a rocking function provided in this embodiment includes: a backrest assembly 1, a backrest adjustment component 2 for driving the backrest assembly 1 to adjust backward, a cushion assembly 3, a lifting component 4 for driving the cushion assembly 3 to lift and adjust, and a rocking mechanism assembly 5. The backrest adjustment component 2 and the lifting component 4 drive the seat back and the seat cushion to adjust the zero-gravity posture. The rocking mechanism assembly 5 is used for rocking the seat in the zero-gravity posture. The rocking mechanism assembly 5 is installed between the seat slide rail assembly 6 and the lifting component 4. The rocking mechanism assembly 5 consists of two four-bar linkages installed on the seat slide rail assembly 6, and a four-bar linkage installed on one of the four-bar linkages. The rocking drive mechanism on the connecting rod mechanism is composed of two four-bar mechanisms symmetrically installed on the two seat slide rails 601, and the four-bar mechanism includes: a mounting bracket 501 fixedly connected to the seat slide rail 601, a rocking bracket 502 fixedly connected to the bottom fixed end of the lifting member, and a front connecting rod 503 and a rear connecting rod 504, the bottom ends of the front connecting rod 503 and the rear connecting rod 504 are hinged on the mounting bracket 501, and the top ends of the front connecting rod 503 and the rear connecting rod 504 are hinged on the rocking bracket 502, wherein the front end of the rocking bracket 502 is fixedly connected to the front lifting connecting rod of the lifting member, and the rear end of the rocking bracket 502 is fixedly connected to the rear cross tube of the seat cushion. The shaking drive mechanism includes: a driving motor 505 installed on a mounting bracket 501, an eccentric turntable 506 installed on a motor drive shaft, and a driving connecting rod 507 connecting the eccentric turntable 506 and the front connecting rod 503, an eccentric shaft 508 parallel to the motor drive shaft is installed on the eccentric turntable 506, a hinge shaft 509 is installed in the middle position of the front connecting rod 503, one end of the driving connecting rod 507 is hinged on the eccentric shaft 508, and the other end of the driving connecting rod 507 is hinged on the hinge shaft 509 of the front connecting rod 503.

[0018] Working principle: The passenger lies in a zero-gravity posture on the zero-gravity seat, and the shaking mechanism assembly 5 drives the passenger to perform shaking movements in a zero-gravity posture to meet the passenger's needs, wherein the driving motor 505 drives the eccentric turntable 506 to rotate, and the eccentric shaft 508 on the eccentric turntable 506 drives the four-bar mechanism through the driving connecting rod 507, and the shaking bracket 502 in the four-bar mechanism drives the seat cushion and the seat back to shake back and forth in the zero-gravity posture of the seat cushion.

[0019] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A zero-gravity chair with a rocking function, comprising: A backrest assembly, a backrest adjustment component for driving the backrest assembly to adjust backward, a seat cushion assembly, and a lifting component for driving the seat cushion assembly to lift and adjust, the backrest adjustment component and the lifting component drive the seat back and seat cushion to adjust the zero-gravity posture, and are characterized in that they also include a rocking mechanism assembly, the rocking mechanism assembly is used to rock the seat in a zero-gravity posture, the rocking mechanism assembly is installed between the seat slide rail assembly and the lifting component, the rocking mechanism assembly is composed of two four-bar linkages installed on the seat slide rail assembly, and a rocking drive mechanism installed on one of the four-bar linkages, the two four-bar linkages are symmetrically installed on the two seat slide rails, the four-bar linkage includes: a mounting bracket fixedly connected to the seat slide rail, a rocking bracket fixedly connected to the fixed end at the bottom of the lifting component, And a front connecting rod and a rear connecting rod, the bottom ends of the front connecting rod and the rear connecting rod are hinged on the mounting bracket, and the top ends of the front connecting rod and the rear connecting rod are hinged on the shaking bracket, the shaking drive mechanism comprises: a driving motor installed on the mounting bracket, an eccentric turntable installed on the motor driving shaft, and a driving connecting rod connecting the eccentric turntable and the front connecting rod, an eccentric shaft is installed on the eccentric turntable, and an articulated shaft is installed at the middle position of the front connecting rod, one end of the driving connecting rod is hinged on the eccentric shaft, and the other end of the driving connecting rod is hinged on the articulated shaft of the front connecting rod, the driving motor drives the eccentric turntable to rotate, the eccentric shaft on the eccentric turntable drives a four-bar mechanism through the driving connecting rod, and the shaking bracket in the four-bar mechanism drives the seat cushion and the seat back to shake back and forth in the zero gravity posture of the seat cushion.

2. A zero-gravity chair with a rocking function according to claim 1, characterized in that: The front end of the rocking bracket is fixedly connected to the front lifting connecting rod of the lifting component, and the rear end of the rocking bracket is fixedly connected to the rear transverse pipe of the seat cushion.

3. The zero-gravity chair with a rocking function according to claim 1, characterized in that: The eccentric shaft is fixedly connected to the side surface of the eccentric rotating disk and is arranged parallel to the driving shaft.

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