CN110877554A

CN110877554A - Passenger car seat and passenger car adopting same

Info

Publication number: CN110877554A
Application number: CN201811032943.7A
Authority: CN
Inventors: 顾蔚新; 车佳妮
Original assignee: Ningbo Cheng Sheng Automobile Safety System Co Ltd
Current assignee: Ningbo Cheng Sheng Automobile Safety System Co Ltd
Priority date: 2018-09-05
Filing date: 2018-09-05
Publication date: 2020-03-13

Abstract

The invention discloses a passenger car seat and a passenger car adopting the passenger car seat, and relates to the technical field of passenger car seats. One embodiment of the passenger vehicle seat comprises: a framework and a jacking device of the seat cushion; wherein, the skeleton of seat cushion includes: a rotatable frame front plate and a frame rear plate; the jacking device is arranged below the framework front plate and used for jacking the framework front plate. This embodiment can effectively prevent an excessive amount of inertial movement of the waist of the occupant in a short time at the time of a frontal collision, and improve the occupant restraint protection effect.

Description

Passenger car seat and passenger car adopting same

Technical Field

The invention relates to the technical field of passenger car seats, in particular to a passenger car seat and a passenger car adopting the passenger car seat.

Background

When the vehicle is in frontal collision, the waist part of the passenger can slide forwards under the action of the motion inertia, and when the collision degree is severe, the forward sliding amount of the waist part is larger, so that the restraint and protection effect of the passenger can be reduced. At present, passengers are mainly restrained and protected by safety belts/safety air bags and the like, and when a front collision occurs to an automobile, the safety belts/the safety air bags mainly protect the heads and the upper half bodies of the passengers.

Chinese patent CN202038200U provides a linkage mechanism for a seat cushion and a leg rest of a passenger car seat, aiming at preventing an excessive movement amount of a waist part of a passenger in a frontal collision. The linkage mechanism controls the front end of the seat to rise through a motor, and prevents the movement amount of the waist of a passenger from being overlarge. However, the motor control requires a long reaction time or is effective, but the effect is not obvious because the front end is not lifted enough.

Chinese patent CN203854537U provides a seat cushion structure suitable for frontal collision of vehicle. The structure takes the rotating parts of the seat bottom plate and the backrest as hinges and jacks up the seat bottom plate through the gas generator. This increases the output force requirements of the gas generator because of the total weight of the seat pan and the weight of the occupant.

Disclosure of Invention

In view of the above, embodiments of the present invention provide a passenger car seat and a passenger car using the same, which can effectively prevent an excessive movement amount of a waist of a passenger in a short time.

To achieve the above object, according to one aspect of an embodiment of the present invention, there is provided a passenger car seat.

A passenger car seat according to an embodiment of the present invention includes: a framework and a jacking device of the seat cushion; wherein, the skeleton of seat cushion includes: a rotatable frame front plate and a frame rear plate; the jacking device is arranged below the framework front plate and used for jacking the framework front plate.

Optionally, the jacking device comprises: the casing, the gas generator of setting in the casing, the setting is at the ignition interface in the casing outside to and set up in the casing and can stretch out the ejector pin outside the casing under gas generator's pushing action.

Optionally, the jacking device further comprises: and the locking part is used for locking the ejector rod extending out of the shell.

Optionally, the frame of the seat cushion further comprises: the rotating part of being connected with skeleton front bezel and skeleton back plate respectively, the skeleton front bezel passes through the relative skeleton back plate rotation of rotating part.

Optionally, the rotating portion is a hinge mechanism; alternatively, the rotating portion is a sleeve penetrating the frame front plate and/or the frame rear plate.

Optionally, the passenger car seat of the embodiment of the present invention further includes: a seat support; the framework back plate is arranged on the seat support.

Optionally, the rotating portion is a cross member of the seat support.

Optionally, a jacking device is arranged at least one of the following positions below the framework front plate: left, right and middle.

Optionally, the skeletal back plate is a resilient element.

According to yet another aspect of an embodiment of the present invention, a passenger vehicle is provided.

The passenger car according to the embodiment of the present invention includes: passenger car body, and the passenger car seat that the first aspect of embodiment of this invention provided.

One embodiment of the above invention has the following advantages or benefits: the jacking device is arranged below the framework front plate, and when an emergency occurs, the framework front plate is jacked up through the jacking device, so that the excessive movement of the waist of a passenger can be effectively prevented; the whole seat cushion does not need to be jacked up, so that the reaction time is short and the energy consumption is low.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:

FIG. 1 is a schematic view of a passenger vehicle seat according to an embodiment of the present invention;

FIG. 2 is a schematic view of a jack-up device in a passenger vehicle seat according to an embodiment of the present invention;

FIG. 3 is a schematic illustration of a passenger vehicle seat being jacked up according to an embodiment of the present invention;

FIG. 4 is a schematic view of a jack-up device when a passenger vehicle seat is being jacked up, according to an embodiment of the present invention;

figure 5 is a schematic view of a passenger car seat according to another embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

According to one aspect of an embodiment of the present invention, a passenger vehicle seat is provided.

Fig. 1 is a schematic view of a passenger car seat according to an embodiment of the present invention, as shown in fig. 1, the passenger car seat comprising: a frame 10 and a jack-up device 20 of a seat cushion; wherein, the skeleton 10 of seat cushion includes: a framework front plate 11 and a framework rear plate 12 which are rotatably arranged; the jacking device 20 is arranged below the framework front plate 11 and used for jacking the framework front plate 11. The skeletal backing plate 12 may be a rigid base plate or may be a resilient member such as a spring.

Figure 5 is a schematic view of a passenger car seat according to another embodiment of the present invention. In an alternative embodiment shown in fig. 5, the passenger car seat further comprises: a seat support 15; the frame back 12 is disposed on the seat support 15. To improve the stability of the frame back panel 12, a support portion 16 may be provided on the seat bracket 15 to support the frame back panel 12.

When frontal collision occurs, the framework front plate is jacked up through the jacking device, so that the waist of a passenger can be effectively restrained, and the passenger is prevented from submerging. In addition, the embodiment of the invention only jacks up the front plate of the framework, and the framework of the whole seat cushion does not need to be jacked up, so the reaction time is short, and the energy consumption is low.

Fig. 2 is a schematic view of a jack-up device in a passenger car seat according to an embodiment of the present invention. As shown in fig. 2, the jack-up device 20 includes: the gas generator comprises a shell 21, a gas generator 22 arranged in the shell 21, an ignition interface 23 arranged outside the shell 21, and a push rod 24 which is arranged in the shell 21 and can extend out of the shell 21 under the pushing action of the gas generator 22. When collision happens, the gas generator 22 in the shell 21 is started through the ignition interface 23, and the gas generated by the gas generator 22 pushes the ejector rod 24 to extend out of the shell 21. Fig. 4 is a schematic diagram of a jacking device when a passenger car seat is jacked according to an embodiment of the invention, as shown in fig. 4, an ignition interface 23 is positioned at one end of a shell 21, and after a gas generator 22 in the shell 21 is started through the ignition interface 23, gas 25 generated by the gas generator 22 pushes a jacking rod 24 to extend out of the shell 21 from the other end of the shell 21, so as to jack up a framework front plate 11, as shown in fig. 3.

The jacking device 20 may further include: and a locking part for locking the ejector rod 24 extending out of the housing 21 and preventing the ejector rod 24 extending out of the housing 21 from being reset under the action of pressure. So that the restraining and protecting effect on the waist is not weakened.

The framework front panel 11 and the framework back panel 12 may be of a separate construction, for example, the framework back panel 12 may be secured to the seat back and the framework front panel 11 may be separate from the framework back panel 12. In an emergency, the jack-up device 20 jacks up the front end of the frame front plate 11. Of course, the front frame plate 11 and the rear frame plate 12 may be connected by a connecting member. For example, the frame 10 of the seat cushion further includes: and the framework front plate 11 rotates relative to the framework rear plate 12 through the rotating parts 13 respectively connected with the framework front plate 11 and the framework rear plate 12. The framework front plate 11 and the framework rear plate 12 are connected by the rotating part 13, so that the whole passenger car seat is more compact in structure.

In some embodiments, the rotating portion 13 is a hinge mechanism. The hinge mechanism has simple structure, convenient installation and low cost. Preferably, a hydraulic hinge (also called a damping hinge) may be used, and the hydraulic hinge has a buffering function, so that noise generated when the framework front plate 11 rotates relative to the framework rear plate 13 can be reduced to the maximum extent.

In other embodiments, the rotating portion 13 is a sleeve that extends through the interior of the skeletal front plate 11 and/or the skeletal back plate 12. For example, the frame back plate 12 has a rod-shaped structure, and the rotating portion 13 is a sleeve that is sleeved on the rod-shaped structure, and the sleeve is mounted with the frame front plate 11 or is an integrated structure with the frame front plate 11. When the jacking device 20 jacks up the framework front plate 11, the sleeve rotates relative to the rod-shaped structure on the framework rear plate 12. Further, in order to reduce friction, balls can be arranged in the sleeve.

In an alternative embodiment shown in fig. 5, the rotary part 13 is a cross member of the seat support 15. For example, one side of the frame rear plate 12 is provided on the cross member of the seat bracket 15, and the other side is provided on the support portion 16, thereby stably providing on the seat bracket 15. The frame front plate 11 is rotatably provided on the cross member of the seat frame 15, and when the jack 24 of the jack-up device 20 is extended out of the housing 21 from the other end of the housing 21, the frame front plate 11 is rotated with respect to the cross member of the seat frame 15, and the frame front plate 11 is jacked up.

Only one jack-up device 20 may be provided below each framework front plate 11, or a plurality of jack-up devices 20 may be provided. Optionally, a jacking device 20 is arranged at least one of the following positions below the framework front plate 11: left, right and middle. The jacking devices 20 at the respective positions may be actuated simultaneously or selectively actuated in part as the case may be.

To improve the comfort of the passenger vehicle seat, a seat cushion 14 can be provided on the frame 10 of the seat cushion, as shown in fig. 1 and 3.

According to still another aspect of an embodiment of the present invention, there is provided a passenger car including: passenger car body, and the passenger car seat that the first aspect of embodiment of this invention provided.

According to the technical scheme of the embodiment of the invention, the jacking device is arranged below the framework front plate, and when an emergency occurs, the framework front plate is jacked up through the jacking device, so that passengers can be effectively prevented from submerging; the whole seat cushion does not need to be jacked up, so that the reaction time is short and the energy consumption is low.

The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A passenger vehicle seat, comprising: a framework (10) and a jacking device (20) of the seat cushion; wherein the frame (10) of the seat cushion comprises: a rotatable framework front plate (11) and a framework rear plate (12); the jacking device (20) is arranged below the framework front plate (11) and is used for jacking the framework front plate (11).

2. A passenger car seat according to claim 1, wherein the jack-up device (20) comprises: the gas generator comprises a shell (21), a gas generator (22) arranged in the shell (21), an ignition interface (23) arranged on the outer side of the shell (21), and a push rod (24) which is arranged in the shell (21) and can extend out of the shell (21) under the pushing action of the gas generator (22).

3. A passenger car seat according to claim 2, wherein the jack-up device (20) further comprises: and a locking part for locking the ejector rod (24) extending out of the housing (21).

4. A passenger vehicle seat according to claim 1, wherein the frame (10) of the seat cushion further comprises: the framework front plate (11) rotates relative to the framework rear plate (12) through the rotating part (13).

5. Passenger car seat according to claim 4, characterized in that the rotary part (13) is a hinge mechanism; alternatively, the rotating portion (13) is a sleeve that penetrates the interior of the framework front plate (11) and/or the framework rear plate (12).

6. The passenger car seat of claim 4, further comprising: a seat support (14); the frame rear plate (12) is arranged on the seat support (15).

7. Passenger vehicle seat according to claim 6, characterized in that the rotary part (13) is a cross-member of the seat support (15).

8. Passenger car seat according to claim 1, characterized in that a jacking device (20) is provided at least at one of the following positions below the frame front plate (11): left, right and middle.

9. Passenger vehicle seat according to claim 1, characterised in that the frame back plate (12) is a resilient element.

10. A passenger vehicle, comprising: a passenger car body, and a passenger car seat according to any of claims 1-9.