阅读说明：本技术 车辆座椅装置 (Vehicle seat device ) 是由 朴炯珍 朴国武 金炳侊 俞相旭 柳昭英 罗善彩 崔秉龙 李明洙 赵灿起 李庆宰 于 2020-04-21 设计创作，主要内容包括：本发明提供一种车辆座椅装置,其中基座支架和移动支架安装在车身地板以使座椅升降,并且座椅轨道安装在移动支架以使座椅在前后方向上移动,从而座椅移动和升降。因此,由于座椅的升降结构安装在车身地板,因此确保了座椅下方的空间,从而由于提高了空间效率而改善了车内气氛。(The present invention provides a vehicle seat apparatus in which a base bracket and a moving bracket are mounted on a vehicle body floor to lift and lower a seat, and a seat rail is mounted on the moving bracket to move the seat in a front-rear direction, whereby the seat is moved and lifted and lowered. Therefore, since the elevation structure of the seat is installed at the vehicle body floor, a space under the seat is secured, thereby improving the atmosphere in the vehicle due to the improved space efficiency.)

1. A vehicle seat arrangement, the arrangement comprising:

a base bracket fixed to a vehicle body floor;

a moving bracket connected to the base bracket and ascending and descending in the up-and-down direction by a guide portion extending in the up-and-down direction from the base bracket;

a driving mechanism installed at the base bracket and connected to the moving bracket and providing power to selectively move the moving bracket along the guide portion; and

a seat rail installed at the moving bracket and ascending and descending together with the moving bracket, and moving the seat frame in a front-rear direction.

2. The apparatus of claim 1, wherein,

the guide portion is mounted to the base bracket by extending forward or backward from the base bracket or extending perpendicularly from the base bracket.

3. The apparatus of claim 1, wherein,

the guide portion includes:

a guide rail extending in the up-down direction; and

a sliding part connected to the guide rail to slide on the guide rail.

4. The apparatus of claim 3, wherein,

the guide rails form a pair of guide rails in pairs,

the sliding portions form a pair of sliding portions in pairs,

the base bracket includes a pair of base plates, the pair of sliding parts being respectively mounted on inner surfaces of the pair of base plates, and

the moving bracket is located between the pair of base plates, and the pair of guide rails are respectively installed at first and second opposite sides of the moving bracket, the pair of guide rails being connected to the pair of sliding portions.

5. The apparatus of claim 4, wherein,

at least one support rod is arranged on the base support, and

the at least one support bar is coupled to each of the pair of base plates.

6. The apparatus of claim 4, wherein,

the moving bracket includes a pair of moving plates, and the pair of guide rails are respectively installed on surfaces of the pair of moving plates opposite to the pair of base plates.

7. The apparatus of claim 6, wherein,

at least one connecting rod is provided at the moving bracket, and the at least one connecting rod is combined with each of the pair of moving plates.

8. The apparatus of claim 1, wherein,

the base bracket is formed in a polygonal shape by a fixing portion fixed to the vehicle body floor and a plurality of extending portions extending upward from the fixing portion, and

the moving bracket is formed in a polygonal shape by a mounting portion to which the seat rail is mounted and a plurality of connecting portions extending downward from the mounting portion.

9. The apparatus of claim 8, wherein,

one of the plurality of extensions of the base bracket and one of the plurality of connections of the moving bracket are collinear with each other, and the guide portion is provided at one of the plurality of extensions that is collinear with one of the plurality of connections.

10. The apparatus of claim 1, wherein,

the drive mechanism includes:

a motor part installed at the base bracket; and

a conveying part extending from the motor part in an extending direction of the guide part and connected to the moving bracket and moving the moving bracket along the guide part when the motor part is operated.

11. The apparatus of claim 10, wherein,

the motor part provides a rotational force to the motor part,

the conveying part is configured as a lead screw extending in an extending direction of the guide part, and

a moving part is provided at the moving bracket, is screw-fastened to the lead screw, and moves along the transport part rotated when the motor part operates.

12. The apparatus of claim 1, further comprising:

an auxiliary driving part having a first end rotatably connected to the vehicle body floor and a second end rotatably connected to the moving bracket,

the auxiliary driving part is variable in length to assist the lifting of the movable support.

13. The apparatus of claim 12, wherein,

the auxiliary driving part has a variable length in an extending direction of the guide part and provides a repulsive force to the moving bracket in a rising direction of the moving bracket.

14. The apparatus of claim 13, wherein,

the length of the auxiliary driving part is elastically variable.

15. The apparatus of claim 1, wherein,

the seat track includes:

a fixed rail fixed to an upper end portion of the moving bracket and extending in the front-rear direction;

a moving rail connected to the fixed rail to slide on the fixed rail in the front-rear direction, and on which the seat frame is mounted; and

a driving motor mounted on the moving guide rail and moving the moving guide rail in the front-rear direction.

16. The apparatus of claim 15, wherein,

the seat track further comprises:

a guide bar on which the moving guide is installed,

the drive motor is engaged with the guide bar to rotate the guide bar.

Technical Field

The present invention relates to a vehicle seat apparatus by which a seat is lifted and moved. More particularly, the present invention relates to a vehicle seat apparatus that reduces an installation space on a vehicle body floor when a moving structure of a seat is applied.

Background

The seat of the vehicle allows a driver or a passenger to sit in a comfortable posture so as not to feel tired even when traveling for a long distance. Such seats support the weight of an occupant and are primarily configured to include: a seat cushion mounted on a surface of the floor in the vehicle and slidable back and forth; and a seat back mounted to be rotatable by a predetermined angle with respect to the seat cushion to support a back of the passenger.

Meanwhile, in the seating space of the vehicle, various body-sized persons may be seated, and various spaces for loading cargo may be required. In order to meet these requirements, the seat back may be folded and the angle of the seat back may be freely adjusted in the related art.

However, in the related art, in order to implement the moving function of the seat, a pair of guide rails is provided under the seat, thus increasing a dead space. That is, in order to move the seat in the front-rear direction, a fixed rail attached to the vehicle body floor and a moving rail that moves on the fixed rail are provided. Since the fixed rail and the moving rail are composed of a pair at the lower side of the seat, the installation area is increased and the number of parts is also increased.

The information included in this background section is only for enhancement of understanding of the general background of the invention and may not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

Various aspects of the present invention are directed to provide a vehicle seat apparatus by which an installation space of a moving and elevating structure of a seat is reduced, thereby improving space efficiency of a vehicle body floor.

In various aspects of the present invention, there is provided a vehicle seat apparatus including: a base bracket configured to be fixed to a vehicle body floor; a moving bracket connected to the base bracket and ascending and descending in an up-and-down direction by a guide portion extending in the up-and-down direction from the base bracket; a driving mechanism installed at the base bracket and connected to the moving bracket, and providing power to move the moving bracket along the guide portion; and a seat rail installed at the moving bracket and configured to be lifted and lowered together with the moving bracket, and moving the seat frame in a front-rear direction.

The guide portion may be mounted to the base bracket by extending forward or rearward from the base bracket or extending perpendicularly from the base bracket.

The guide portion may include: a guide rail extending in the vertical direction; and a sliding part connected to the guide rail to slide on the guide rail, the base bracket may include a pair of base plates, the sliding part being mounted on an inner surface of each of the base plates, the moving bracket may be located between the pair of base plates, and the guide rail is provided at each of opposite sides of the moving bracket, the guide rail being connected to the sliding part of each of the base plates.

Support rods may be provided at the base support, the support rods extending in opposite directions of the base plates and being coupled to each of the base plates.

The moving bracket may include a pair of moving plates, and the guide rail is installed at a surface of each moving plate opposite to the base plate.

A connecting rod may be provided at the moving bracket, the connecting rod extending in a direction opposite to the moving plates and being combined with each moving plate.

The base bracket may be formed in a polygonal shape by a fixing portion fixed to a vehicle body floor and a plurality of extending portions extending upward from the fixing portion, and the moving bracket may be formed in a polygonal shape by a mounting portion to which the seat rail is mounted and a plurality of connecting portions extending downward from the mounting portion.

The extension portion of any one of the base brackets and the connecting portion of any one of the moving brackets may be collinear with each other, and the guide portion may be provided at the extension portion that is collinear with the connecting portion.

The drive mechanism may include: a motor part installed on the base bracket; and a conveying part extending from the motor part in an extending direction of the guide part and connected to the moving bracket, and moving the moving bracket along the guide part when the motor part is operated.

The motor part may be configured to provide a rotational force, the transport part may be configured as a lead screw extending in an extending direction of the guide part, and the moving part may be provided at the moving bracket, screw-fastened to the lead screw, and moved along the transport part rotated when the motor part operates.

The apparatus may further comprise: and the first end part of the auxiliary driving part is rotatably connected to the floor of the vehicle body, the second end part of the auxiliary driving part is rotatably connected to the moving bracket, and the length of the auxiliary driving part is variable so as to assist the lifting of the moving bracket.

The auxiliary driving part may be configured to be variable in length in an extending direction of the guide part and to provide a repulsive force to the moving bracket in a rising direction of the moving bracket.

The seat track may include: a fixed rail fixed to an upper end portion of the moving bracket and extending in a front-rear direction; a moving rail connected to the fixed rail to slide on the fixed rail in a front-rear direction, and on which the seat frame is mounted; and a driving motor mounted on the moving guide rail and moving the moving guide rail in the front-rear direction.

According to the vehicular seat device having the above-described structure, the base bracket and the moving bracket are mounted on the floor of the vehicle body to raise and lower the seat, and the seat rail is mounted on the moving bracket to move the seat in the front-rear direction, whereby the seat is moved and raised and lowered. Therefore, since the elevation structure of the seat is installed at the vehicle body floor, a space under the seat is secured, thereby improving the atmosphere in the vehicle due to the improved space efficiency.

The methods and apparatus of the present invention have other features and advantages which will be apparent from or are set forth in more detail in the accompanying drawings, which are incorporated herein, and the following detailed description, which together serve to explain some principles of the present invention.

Drawings

Fig. 1 is a perspective view exemplarily showing a vehicular seat device according to an exemplary embodiment of the invention;

fig. 2 and 3 are views showing the structure of the vehicular seat device shown in fig. 1;

fig. 4 is a view exemplarily showing a seat rail of the vehicular seat device shown in fig. 1;

fig. 5 is a view exemplarily showing a base bracket and a drive mechanism of the vehicular seat device shown in fig. 1; and

fig. 6 is a view exemplarily showing a moving bracket of the vehicular seat device shown in fig. 1.

It will be appreciated that the drawings are not necessarily to scale, presenting a somewhat simplified representation of various features illustrative of the basic principles of the invention. The particular design features of the invention, including, for example, particular dimensions, orientations, locations, and shapes, as embodied herein, will be determined in part by the particular intended application and use environment.

In the drawings, like reference numerals designate identical or equivalent parts throughout the several views of the drawings.

Detailed Description

Reference will now be made in detail to the various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention will be described in conjunction with the exemplary embodiments of the invention, it will be understood that the description is not intended to limit the invention to those exemplary embodiments. On the other hand, the invention is intended to cover not only the exemplary embodiments of the invention, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.

Hereinafter, a vehicle seat device according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a perspective view exemplarily showing a vehicular seat device according to an exemplary embodiment of the present invention, fig. 2 and 3 are views exemplarily showing a structure of the vehicular seat device shown in fig. 1, fig. 4 is a view exemplarily showing a seat rail of the vehicular seat device shown in fig. 1, fig. 5 is a view exemplarily showing a base bracket and a driving mechanism of the vehicular seat device shown in fig. 1, and fig. 6 is a view exemplarily showing a moving bracket of the vehicular seat device shown in fig. 1.

As shown in fig. 1 and 2, a vehicle seat apparatus according to an exemplary embodiment of the present invention may include: a base bracket 10 fixed to a vehicle body floor F; a moving bracket 20 installed to be lifted up and down in the up-and-down direction by a guide portion G extending in the up-and-down direction from the base bracket 10; a driving mechanism 30 installed at the base bracket 10 and connected to the moving bracket 20, and providing power to move the moving bracket 20 along the guide portion G; and a seat rail 40 installed at the moving bracket 20 and lifted and lowered together with the moving bracket 20, and moving the seat frame S in the front and rear direction.

In the seat device according to the present invention, the base bracket 10 fixed to the vehicle body floor F has a predetermined height in the up-down direction, and the guide portion G extending in the up-down direction is mounted to the base bracket 10. Here, the guide portion G may extend forward or backward or vertically in the up-down direction. The extension angle and the extension length of the guide portion G are determined according to the initial design of the seat apparatus, which takes the vehicle interior space and the seat into consideration. The elevation direction and the elevation height of the seat frame S are determined by the extension angle and the extension length of the guide portion G.

The moving bracket 20 is mounted on the guide portion G to move in the extending direction of the guide portion, and the moving bracket 20 can be lifted and lowered along the guide portion G by the driving mechanism 30 mounted on the base bracket 10.

Meanwhile, the seat rail 40 is mounted at the moving bracket 20, and the seat frame S is mounted at the seat rail 40 to move in the front-rear direction. Here, the seat frame S is configured to include a seat back frame S1 and a seat cushion frame S2 connected to each other by a reclining portion (reciiner), wherein the seat cushion frame S2 may be mounted to the seat rail 40.

As shown in fig. 2 and 4, the seat rail 40 may include: a fixed rail 41 fixed to an upper end portion of the moving bracket 20 and extending in the front-rear direction; a moving rail 42 connected to the fixed rail 41 to slide in the front-rear direction, and a seat frame S is mounted on the moving rail 42; and a drive motor 43 attached to the moving rail 42 and moving the moving rail 42 in the front-rear direction.

That is, the fixed rail 41 is fixed to the upper end portion of the moving bracket 20 to provide a moving path in the front-rear direction, and the seat frame S is mounted on the moving rail 42 and slidably connected to the fixed rail 41. Here, a roller R1 and a bearing ball R2 are provided between the fixed rail 41 and the moving rail 42 to smoothly slide the moving rail 42, and a reinforcing rail 44 may be provided in each of the fixed rail 41 and the moving rail 42 to enhance rigidity.

A driving motor 43 for moving the moving rail 42 is installed at the moving rail 42 and moves along the guide rod 45 together with the moving rail 42 so that the seat frame S installed at the moving rail 42 can move in the front and rear direction. Here, the guide rod 45 may be configured as a lead screw or a rack extending in the front-rear direction along the fixed rail 41, and the driving motor 43 may be provided with a lead nut or a pinion 46 screw-fastened to the guide rod 45. Thus, when the driving motor 43 is operated, the guide rod 45 is rotated, and the guide nut or pinion 46 is moved along the guide rod 45. Accordingly, the seat frame S can move together with the drive motor 43 and the moving rail 42.

The seat frame S can be moved in the front-rear direction by the seat rail 40. A plurality of seat rails 40 may be provided at the upper end portion of the moving bracket 20, but may be configured such that a single seat rail 40 is provided to reduce the installation space.

Meanwhile, as shown in fig. 5 and 6, the base bracket 10 has a pair of base plates 12, and the moving bracket 20 has a pair of moving plates 22. Therefore, the support rigidity of the base bracket 10 and the moving bracket 20 is ensured.

Here, the moving bracket 20 is located between a pair of base plates 12, a slide 11 is provided on an inner surface of each base plate 12, and a guide rail 21 connected to the slide 11 is provided on a surface of each moving plate 22 opposite to the base plates 12, so that the moving bracket 20 can move on the base bracket 10.

That is, the guide rail 21 has a channel structure extending in the up-down direction, and the slide part 11 is configured to be inserted into the guide rail 21. Therefore, the guide rail 21 moves by sliding on the sliding portion 11, so that the moving bracket 20 moves together with the guide rail 21 to ascend and descend.

Further, since the moving bracket 20 is located between the pair of base plates 12, the entire size of the seat apparatus is reduced, and the moving bracket 20 is protected from external interference. Therefore, the lifting operation of the moving bracket 20 can be smoothly performed.

Here, a support bar 13 may be provided at the base bracket 10, the support bar 13 extending in a direction opposite to the base plates 12 and being combined with each of the base plates 12. The support bar 13 is positioned to avoid the moving bracket 20 and the driving mechanism 30 provided between the pair of base plates 12, and the rigidity of the base bracket 10 is increased by being combined with each base plate 12. A plurality of support bars 13 may be provided on the surface of the base plate 12, and the support bars 13 may extend in a direction perpendicular to the base plate 12 and be combined with the base plate 12.

Further, a connecting rod 23 may be provided at the moving bracket 20, the connecting rod 23 extending in a direction opposite to the moving plates 22 and being combined with each moving plate 22.

Accordingly, the pair of moving plates 22 are integrally connected to each other by the connecting rod 23, so that the rigidity of the moving bracket 20 is increased. A plurality of connecting bars 23 may be provided on the surface of the moving plate 22, and the connecting bars 23 may extend in a direction perpendicular to the moving plate 22 and be combined with the moving plate 22.

The support bar 13 and the connection bar 23 may be formed in a bar shape and may be bolt-fastened to the base plate 12 and the moving plate 22, respectively, to be combined with the base plate 12 and the moving plate 22.

Meanwhile, as shown in fig. 5 and 6, the base bracket 10 may be formed in a polygonal shape by a fixing portion 10a fixed to the vehicle body floor F and a plurality of extending portions 10b extending upward from the fixing portion 10a, and the moving bracket 20 may be formed in a polygonal shape by a mounting portion 20a to which the seat rail 40 is mounted and a plurality of connecting portions 20b extending downward from the mounting portion 20 a.

Here, the base bracket 10 may be formed in a trapezoidal shape, and the fixing portion 10a forming the lower end portion of the base bracket 10 is configured to be longer than the upper end portion of the base bracket 10. Therefore, the base bracket 10 ensures a fixing force to the vehicle body floor F. Further, since the base bracket 10 has a trapezoidal shape, the base bracket 10 secures its own rigidity to support the weight of the driver, and reduces the length of the upper end portion, thereby reducing the weight of the seat apparatus.

Meanwhile, the moving bracket 20 may be configured in a trapezoidal shape or a triangular shape, and the mounting portion 20a is formed to extend in the front-rear direction, so that the seat rail 40 is firmly fixed to the mounting portion 20 a. In the drawing, the moving bracket 20 is formed in a triangular shape, and since the moving bracket 20 has the triangular shape, the moving bracket 20 secures its own rigidity and reduces its weight.

The extension portion 10b of any one of the base brackets 10 and the coupling portion 20b of any one of the moving brackets 20 may be collinear with each other, and the guide portion G may be disposed at the extension portion 10b that is collinear with the coupling portion 20 b. Therefore, any one of the extension portions 10b of the base bracket 10 and any one of the connection portions 20b of the moving bracket 20 are collinear with each other, so that the moving bracket 20 can be moved at the base bracket 10 through the guide portion G. Further, without a separate rail structure for mounting the guide portion G to the base bracket 10, it is possible to support the weight of the seat device and mount the guide portion G only by the extension portion 10 b.

Meanwhile, as shown in fig. 3, the driving mechanism 30 includes: a motor unit 31 attached to the base bracket 10; and a conveying part 32 extending from the motor part 31 in an extending direction of the guide part G and connected to the moving bracket 20, and moving the moving bracket 20 along the guide part G when the motor part 31 is operated.

Here, the motor part 31 is installed at the base bracket 10, and the conveying part 32 extended from the motor part 31 is connected to the moving bracket 20. Therefore, when the motor part 31 operates, the moving bracket 20 can move on the base bracket 10 by the conveying part 32.

The motor part 31 is configured to provide a rotational force, the conveying part 32 is configured as a lead screw extending in an extending direction of the guide part G, the moving part 24 may be provided at the moving bracket 20, the moving part 24 is screw-fastened to the lead screw, and moves along the conveying part 32 rotated when the motor part 31 operates.

Here, the motor part 31 may be driven by a switch manipulation of a user, and a driving signal of the switch is input while the motor part 31 operates, the moving part 24 connected to the conveying part 32 configured as a lead screw is moved by the rotation of the conveying part 32, so that the moving bracket 20 is moved together with the moving part 24. Accordingly, the moving part 24 may be configured as a lead nut to be screw-fastened to the lead screw, and the transport part 32 may be configured to extend in the same direction as the extending direction of the guide part G, so that the moving part 24 may move along the guide part G.

In order to move the moving bracket 20, the above-described driving mechanism 30 may employ a rack and pinion structure or a hydraulic actuator structure in addition to a screw coupling structure using a lead screw. Various embodiments of such drive mechanisms may be applied depending on the design.

Meanwhile, the apparatus of the present invention may further comprise: and an auxiliary driving part 50, a first end of the auxiliary driving part 50 being rotatably connected to the vehicle body floor F, and a second end of the auxiliary driving part 50 being rotatably connected to the moving bracket 20, the auxiliary driving part being variable in length to assist the elevation of the moving bracket 20.

The auxiliary driving part 50 is elastically variable in length, and may be configured as a coil spring or a gas lift (gas lift). Therefore, when the moving bracket 20 is lifted, the length of the auxiliary driving part 50 is changed in the lifting direction of the moving bracket 20. Therefore, the auxiliary driving part 50 provides the auxiliary force to the moving bracket 20 in the moving direction of the moving bracket 20.

That is, the auxiliary driving part 50 is configured to be variable in length in the extending direction of the guide part G, and to provide a repulsive force to the moving bracket 20 in the ascending direction of the moving bracket 20. Therefore, the auxiliary driving part 50 is provided to be changed in length in the extending direction of the guide part G, and provides a repulsive force in the ascending direction of the moving bracket 20. Therefore, a force is applied to the moving bracket 20 raised by the driving mechanism 30, so that the seat frame S is smoothly raised. The number of the auxiliary driving parts 50 installed and the elastic force of the auxiliary driving parts 50 may be set according to the performance of the driving mechanism 30.

As described above, in the exemplary embodiment of the present invention, since the base bracket 10 requiring a small installation range is provided in the lower space where the seat is installed, the structure interfering with the lower space is minimized, thereby improving the space efficiency. Therefore, it is easy to install a control unit and a cable for driving the seat, and other devices may be provided in the secured space.

Accordingly, the seat apparatus of the present invention ensures a space under the seat, thereby improving the atmosphere in the vehicle due to the improved space efficiency, and can be applied to various vehicles as well as vehicles.

Although exemplary embodiments of the present invention have been described for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

For convenience in explanation and accurate definition in the appended claims, the terms "upper", "lower", "inner", "outer", "upper", "lower", "upward", "downward", "front", "rear", "back", "inwardly", "outwardly", "inner", "outer", "forward" and "rearward" are used to describe features of the exemplary embodiments with reference to the positions of such features as displayed in the figures. It will be further understood that the term "coupled" or its derivatives refer to both direct and indirect connections.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention as well as various alternatives and modifications. It is intended that the scope of the invention be defined by the following claims and their equivalents.