KR20100110093A - Rotation apparatus of seat cushion for car - Google Patents

Abstract

PURPOSE: A rotating apparatus of the cushion of a vehicle seat is provided to enable the passengers to easily get into or out of a vehicle since the shaft of rotor assembly is connected to be slant slightly from the center with respect to a supporting plate. CONSTITUTION: A rotating apparatus(100) of the cushion of a vehicle seat comprises an upper supporting plate(10), a lower supporting plate(20) and rotor assembly. The upper supporting plate is connected to the lower part of the cushion of the vehicle seat. The lower supporting plate is fixed to the rail below the cushion of the vehicle seat. The rotor assembly is fixed to the upper supporting plate and rotates by 90° around the slant shaft with respect to the lower supporting plate. A driving part automatically transfers the driving force to the rotor assembly by the electronic control of a user. The upper supporting plate consists of a first coupling hole(11), a second coupling hole(12) and a third coupling hole(13).

Description

ROTORATION APPARATUS OF SEAT CUSHION FOR CAR}

The present invention relates to a rotating device of a vehicle seat cushion, and more particularly, to the electronic button automatic of the operation button unit and the drive motor mounted on the lower portion of the seat cushion and the seat rail of the vehicle in the state that the rotation axis is eccentric The present invention relates to a rotating device of a vehicle seat cushion, which enables automatic reciprocating rotational movement of 90 degrees in the door direction and the front direction thereof by adjustment, which makes it easier for the elderly and the patient who are inconvenient to get on and off.

In general, in a vehicle such as a passenger car or a van, a passenger or a driver turns to the front side after opening the door of the side at the time of riding, and is seated at the same time as the ascending body of the vehicle while the upper body is bent. You should get off the car with the side door open and twist your body while seated forward.

Therefore, in the current vehicle structure that requires a complex operation when getting on and off as described above, there are many inconveniences for the elderly and patients who are inconvenient to move.

In order to solve such a problem, conventionally, there is a trend of increasing the number of passenger cars or vans for convenience for those who are uncomfortable by installing a rotating device on the seat so that the seat can be turned in the direction of the door.

However, in the related art, the rotation support device applied to a seat cushion for a vehicle has a structure in which a rotating shaft is simply housed, the user is operated by manual mechanical operation, and the user does not work properly when used for a long time as well as inconvenience of the user due to mechanical operation. there was.

Accordingly, the present invention has been made to solve the above problems, an object of the present invention is to be mounted on the lower portion of the seat cushion and the seat rail of the vehicle door by electronic automatic adjustment of the operation button and the drive motor ( It is possible to provide 90 degrees of automatic reciprocating rotation in the direction of the door) and to provide a rotating device of the vehicle seat cushion which makes it easy for the elderly and the sick to get on and off.

Another object of the present invention is to axially couple the rotation axis of the rotor assembly, which is the center of rotation, to the support plate slightly eccentrically with respect to the support plate, so that after turning 90 degrees toward the door to make use of the free space on the door direction side, The front of the seat cushion of the vehicle slightly protrudes toward the door to provide a new concept of the vehicle seat cushion rotating device that can easily get on and off the occupant of the vehicle.

Still another object of the present invention is to separately attach the spring to the rotation axis of the rotor assembly which is the center of rotation, by the automatic restoring force of the spring spring acts as an auxiliary force together with the driving force of the drive motor to restore the original state more It is to provide a rotation device of a smooth vehicle seat cushion.

The rotating device of the vehicle seat cushion according to the present invention for achieving the above object of the present invention, the upper support plate coupled to the lower portion of the seat cushion of the vehicle, and the lower support plate fixedly coupled to the seat rail of the lower seat cushion of the vehicle; And a rotor assembly fastened to the upper support plate and coupled to the upper support plate so as to be reciprocally rotated by 90 ° about an axis of rotation eccentric with respect to the lower support plate, and by electronic control of the rotor assembly. It is characterized by consisting of a drive unit for automatically transmitting a driving force.

Here, the upper support plate, the first fastening hole for fastening to the corner (corner) to the lower portion of the seat cushion of the vehicle, the second fastening hole and the second side formed on both sides opposite to the center portion eccentric in the center It is preferably made of three fastening holes.

The rotor assembly may further include a rotation bar having a second center hole vertically inserted with the eccentric first center hole of the lower support plate such that the rotating shaft is rotatable, and the upper portion of the rotor assembly. First coupling grooves and second coupling grooves respectively formed on upper surfaces of both ends of the rotation bar to couple to the second coupling hole and the third coupling hole that face the support plate, and one end portion on the side where the first coupling groove is formed. It is preferable that the gear is formed integrally with the gear and an arc-shaped gear part formed along the circumferential surface.

In addition, between the first central hole of the lower support plate and the second central hole of the rotary bar of the rotor assembly is further interposed with a "H" (character) shaped support bracket, the "H" "The support bracket in the form of a letter (s) has a rotor assembly consisting of the rotation bar and the arc-shaped gear part stably at the bottom, and at the same time allows the rotor assembly to rotate about the axis of rotation. This is preferred.

The drive unit may further include: a reducer having a drive motor for transmitting the drive force; and a reduction gear electrically connected to the drive motor, and engaged therein with the gears of the arc-shaped gear unit. Preferably, the drive motor is made of an electrical connector for electrically connecting the operation button for electronic control.

In addition, it is preferable that a plurality of pulleys in the form of rollers are fixedly formed around the upper edge of the lower support plate such that the lower side of the upper support plate and the upper side of the lower support plate are engaged with each other.

In addition, it is preferable that a stopper protruding upward is formed at one side of the upper surface of the lower support plate such that an end of the rotation bar is caught so that it cannot be rotated more than 90 degrees.

In addition, the lower surface of the rotating shaft is formed with a straight groove is fixed to one end of the spring winding coupled, the bottom of one side of the support bracket of the "H" (character) type is formed with a fixing piece is fixed to the other end of the spring This is preferred.

As described above, according to the rotating device of the vehicle seat cushion according to the present invention, the rotary shaft is mounted on the lower portion of the seat cushion and the seat rail in an eccentric state, and is used for electronic automatic adjustment of the operation button unit and the drive motor. As a result of the automatic reciprocating rotational movement of 90 degrees in the door direction and the omni-directional direction, it is easier to get on and off the elderly or the patient who are uncomfortable.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

1 is a plan view illustrating a vehicle to which a rotating device of a vehicle seat cushion according to the present invention is applied, FIG. 2 is a perspective view showing a rotating device of a vehicle seat cushion according to the present invention, and FIG. 3 is a vehicle seat cushion according to the present invention. Some perspective views showing the bottom of the lower support plate of the rotating device of Figure 4a and Figure 4b is a state diagram showing the state of use of the rotating device of the vehicle seat cushion according to the present invention, will be described together for convenience.

First, as shown in FIG. 1, the rotating device 100 of the vehicle seat cushion according to the present invention is mounted on the lower portion of the seat cushion 2 and the seat rail 3 of the vehicle 1 to operate the button unit 90. ) By automatic adjustment at an angle of approximately 90 degrees toward the door (door) direction is easier to get on and off of the elderly and the patient uncomfortable.

That is, the rotation device 100 of the vehicle seat cushion according to the present invention, the upper support plate 10 coupled to the lower portion of the seat cushion 2 of the vehicle 1, and the seat cushion 2 of the vehicle 1 90 ° about a lower support plate 20 fixedly coupled to the lower body, that is, the seat rail 3, and a rotating shaft 60 fixedly fastened to the upper support plate 10 and eccentric with respect to the lower support plate. Rotor assembly 30 is rotatably coupled to the rotor and the eastern part 40 having a drive motor 41 and a reducer 42 to automatically transfer the driving force to the rotor assembly 30.

The upper support plate 10 is substantially square plate-shaped, the material may be a steel (steel) material, in consideration of the weight (amount), aluminum or magnesium alloy is more preferable. In addition, in the illustrated example, the rectangular plate has a shape, but is cut except for a portion that is coupled to the lower portion of the seat cushion 2 of the vehicle 1 and a portion where the rotor assembly 30 is coupled for light weight. It is also possible in the form of a plate, but does not limit the shape.

The upper support plate 10 has a first fastening hole 11 formed at four corners, and is coupled to the lower portion of the seat cushion 2 of the vehicle 1 through bolts or screws, and horizontally at the center. Two second fastening holes 12 and one third fastening hole 13 are formed to face the center slightly eccentrically in the direction and the longitudinal direction, so that the rotating bar of the rotor assembly 30 described later. The first coupling groove 33 and the second coupling groove 34 formed on both sides of the 31 can be fastened and fastened.

As such, the reason why the upper support plate 10 is slightly eccentrically coupled to the rotor assembly 30 is that the rotating shaft 60 of the rotor assembly 30, which will be described later, is formed of the upper support plate 10 and the lower support plate 20. Slightly eccentrically transversely and longitudinally relative to the center A (see FIGS. 4A and 4B), such that the upper support plate 10 is directed toward the door about the rotation axis 60 with respect to the lower support plate 20. After rotation of FIG. 10, the front part of the upper support plate 10 protrudes with respect to the lower support plate 20 by its eccentric direction (length) so that the front of the seat cushion 2 of the vehicle 1 protrudes toward the door so that the vehicle 1 The occupant of can be easily boarded (see FIGS. 1 and 4b). Of course, after the occupant rides and the upper support plate 10 returns 90 degrees in the opposite direction with respect to the lower support plate 20, the seat cushion 2 may be connected to the vehicle 1 regardless of the eccentric angle of the rotation shaft 60. ) To its original position (see FIGS. 1 and 4A).

The lower support plate 20 fixedly coupled to the seat rail 3 of the vehicle 1 is also substantially square in plate shape, and the material may be aluminum, magnesium alloy, steel, or the like, and although not shown, the seat rail In order to easily fix on (3), it is preferable that the bracket for fixing a seat rail is formed in the lower part.

The lower support plate 20 has a first central hole 21 is formed in the center thereof is coupled so that the rotation shaft 60 is rotatable, and a plurality of fastening holes (a drawing) around the first central hole 21 Unnumbered) is formed so that the support bracket 50 in the form of an "H" letter can be bolted or screwed together. Of course, the support bracket 50 is interposed between the first central hole 21 of the lower support plate 20 and the second central hole 31-1 of the rotation bar 31 of the rotor assembly 30 described later. The rotating shaft 60 is axially coupled to be rotatable. The support bracket 50 in the form of an "H" letter has a rotor assembly 30 formed of a rotation bar 31 and an arc-shaped gear portion 32 described below. While stably supporting, the rotor assembly 30 can be rotated about the rotation shaft 60.

On the other hand, the first central hole 21 of the lower support plate 20 is also formed in a slightly eccentric position in the center (A; see FIGS. 4A and 4B), and the rotation shafts 60 axially coupled thereto are opposed to each other. By being slightly eccentrically positioned with respect to the upper support plate 10 and the lower support plate 20, as described above, the upper support plate 10 is 90 toward the door about the rotation axis 60 with respect to the lower support plate 20. After rotation of FIG. 10, the front part of the upper support plate 10 slightly protrudes from the lower support plate 20 so that the front of the seat cushion 2 of the vehicle 1 protrudes toward the door so that the occupant of the vehicle 1 can easily board. (See FIGS. 1 and 4B).

In addition, a plurality of pulleys 70 in the form of rollers are fixedly formed around the upper edge of the lower support plate 20 to form a lower side of the upper support plate 10 and an upper surface of the lower support plate 20. The sides are interlocked so that the reciprocating rotation is naturally performed at an angle of 90 degrees.

In addition, a stopper 35 protruding upward is formed at one side of the upper surface of the lower support plate 20 so that the end of the rotation bar 31, which will be described later, is caught so as not to rotate more than 90 degrees.

The rotor assembly 30 is connected to the first central hole 21 of the lower support plate 20 and the support bracket 50 in the form of an "H" letter so that the rotating shaft 60 is rotatable. A rotation bar 31 having a second central hole 31-1 coupled vertically, two second fastening holes 12 and one third fastening hole 13 opposite to the upper support plate. The first coupling groove portion 33 and the second coupling groove portion 34 and the first coupling groove portion 33 are formed on the upper surface of both ends of the rotary bar 31 to bolt or screw) It is formed integrally with one end of the side, and the gear 32-1 consists of an approximately arc-shaped (approximately 90 degree angle) gear part 32 formed along the circumferential surface.

The drive unit is a drive motor 41 for transmitting the drive force, and the gear 32 of the substantially arc-shaped gear unit 32 therein electrically connected to the drive motor 41. -1) and a reducer 42 having a reduction gear (not shown) engaged with and engaged with the electrical connector 43 for electrically connecting the drive motor 41 and the operation button portion 90 for electronic adjustment. Is done.

In the example shown in FIG. 1, the operation button unit 90 is installed at the side of the door of the auxiliary seat of the vehicle 1, but may be installed at a position where the driver at the driver's seat of the vehicle 1 is easy to operate. It does not limit the formation position in this invention. In addition, the operation button unit 90 may be installed in the form of a remote control (remote control) can be operated easily by anyone remotely.

On the other hand, as shown in Figure 3, the lower surface of the rotating shaft 60 is formed with a straight groove 60-1, one end of the mainspring spring 80 is fixed and coupled, the "H" letter A fixing piece 51 is formed at one bottom surface of the support bracket 50 so that the other end of the spring spring 80 is fixedly coupled to the upper support plate 10 (seat cushion 20) to the lower support plate 20. After rotating 90 degrees toward the door about the rotation axis 60 with respect to the door, the spring 50 is released as much as possible, and again when the seat cushion 20 is rotated 90 degrees toward the front of the vehicle, the spring 50 is rotated. The restoring force is generated, and together with the driving force of the drive motor 41, the restoring force is acted as an auxiliary force, so that the restoration to the original state can be more smoothly performed.

Referring to the getting on and off operation of the occupant using the rotating device 100 of the vehicle seat cushion according to the present invention having the above-described configuration is as follows.

First, when the user (driver or passenger) operates the operation button unit 90 installed at the door side in the riding mode, the gear of the reduction gear 42 and the arc of the reducer 42 are approximately arced according to the driving of the driving motor 41. The gear 32-1 of the gear part 32 is engaged and rotates about 90 degrees, so that the upper support plate 10 is rotated 90 degrees with respect to the lower support plate 20 about the rotational axis 60 toward the door. Will rotate.

At this time, since the rotating shaft 60 is installed at a position eccentric with respect to the upper support plate 10 and the lower support plate, the front portion of the upper support plate 10 slightly protrudes with respect to the lower support plate 20 so that the vehicle 1 ), The front side of the seat cushion 2 is slightly projected toward the door.

Then, when the user (driver or occupant) opens the door (it is also possible to open the door first before operating the operation button unit 90), the seat cushion 2 of the vehicle 1 protrudes toward the door. In this state, the occupant of the vehicle 1 can easily board directly to the side.

As described above, when the occupant rides to the side and then operates the operation button unit 90 in the home position mode, the gear of the reduction gear 42 and the substantially arc-shaped gear unit ( The gear 32-1 of the 32 is engaged to rotate 90 degrees to its original position (opposite direction), so that the upper support plate 10 is seated about the rotation shaft 60 with respect to the lower support plate 20. In one state, it rotates forward 90 degrees, and is in a fully seated state.

On the other hand, when getting off, when the user (driver or occupant) opens the door of the vehicle 1 and operates the operation button unit 90 in the getting off mode (actually the same as the riding mode), the above-mentioned riding mode In the same manner as the driving of the drive motor 41, the gear of the reducer 42 and the gear 32-1 of the substantially arc-shaped gear portion 32 mesh with each other to rotate approximately 90 degrees, The upper support plate 10 is rotated 90 degrees toward the door in a state in which the occupant is seated about the rotation shaft 60 with respect to the lower support plate 20.

At this time, since the rotating shaft 60 is installed at a position eccentric with respect to the upper support plate 10 and the lower support plate, the front portion of the upper support plate 10 slightly protrudes with respect to the lower support plate 20 so that the vehicle 1 As the seat cushion 2 of the) is slightly protruded toward the door, the occupant can immediately get off.

Thus, after the passenger gets off, when the user operates the operation button unit 90 in the home position mode, the gear of the reducer 42 and the substantially arc-shaped gear unit are driven in accordance with the drive of the drive motor 41. The gear 32-1 of (32) is engaged to rotate 90 degrees to its original position, so that the upper support plate 10 rotates forward 90 degrees about the rotation axis 60 with respect to the lower support plate 20. And return to the original position.

Although the present invention has been described in detail with reference to preferred embodiments according to the present invention, this is only for illustrating the present invention and is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention. It should be noted that this is possible as well as this is also within the scope of the present invention.

1 is a plan view showing a vehicle to which a rotating device of a vehicle seat cushion according to the present invention is applied.

Figure 2 is a perspective view showing a rotating device of a vehicle seat cushion according to the present invention.

Figure 3 is a partial perspective view showing the bottom of the lower support plate of the rotating device for a vehicle seat cushion according to the present invention.

4A and 4B are state diagrams showing a state of use of a rotating device for a vehicle seat cushion according to the present invention.

Explanation of symbols on the main parts of the drawings

100: rotating device for a vehicle seat cushion according to the present invention

1: vehicle 2: seat cushion

3: seat rail 10: upper support plate

11: first fastening hole 12: second fastening hole

13: third fastening hole 20: lower support plate

21: first central hole 30: rotor assembly

31: rotation bar 31-1: second central hole

32: arc-shaped gear part 32-1: gear

33: first coupling groove 34: second coupling groove

40: drive part 41: drive motor

42: reducer 50: support bracket in the form of an "H" letter

51: fixed piece 60: rotating shaft

60-1: straight groove 70: pulley

80: hand spring 90: operation button

Claims (8)

An upper support plate coupled to the lower portion of the seat cushion of the vehicle, A lower support plate fixedly coupled to a seat rail under the seat cushion of the vehicle; A rotor assembly fastened to the upper support plate and coupled to the upper support plate to be reciprocally rotated by 90 ° about an axis of rotation eccentric with the lower support plate; Rotor device of the vehicle seat cushion characterized in that the drive unit for automatically transmitting a driving force by the electronic adjustment of the rotor assembly. The method of claim 1, The upper support plate may include a first fastening hole for fastening a corner to a lower portion of the seat cushion of the vehicle, and a second fastening hole and a third fastening formed on both sides of the upper support plate so as to face each other based on an eccentric central portion. Rotor device of a vehicle seat cushion characterized in that the hole. The method of claim 2, The rotor assembly may include a rotation bar having a second center hole vertically inserted with the eccentric first center hole of the lower support plate such that the rotating shaft is rotatable, and the upper support plate. First and second coupling grooves formed on upper surfaces of both ends of the rotary bar to couple to the second and second coupling holes, respectively; and at one end of the first coupling groove formed thereon. A rotating device for a vehicle seat cushion, which is integrally formed and is formed of an arc-shaped gear part having a tooth formed along a circumferential surface thereof. The method of claim 3, wherein Between the first central hole of the lower support plate and the second central hole of the rotating bar of the rotor assembly is further interposed with a support bracket of the letter "H" (character) form, the "H" (Character) type support bracket is characterized in that the rotor assembly consisting of the rotation bar (rotation bar) and the arc-shaped gear portion to stably support from the bottom and to rotate the rotor assembly about the rotation axis at the same time Rotating device of a vehicle seat cushion. The method of claim 4, wherein The drive unit, a reduction motor having a drive motor for transmitting the drive force, and a reduction gear electrically connected to the drive motor and engaged therein with the gears of the arc-shaped gear unit to rotate rotationally, A rotation device for a vehicle seat cushion, comprising: an electrical connector for electrically connecting a drive motor and an operation button unit for electronic adjustment. The method of claim 1, A plurality of pulleys in the form of rollers are fixedly formed around the upper edge of the lower support plate such that the lower side of the upper support plate and the upper side of the lower support plate are engaged with each other. The method of claim 3, wherein A stopper protruding upward is formed at one side of the upper surface of the lower support plate, so that the end of the rotation bar is caught so that it cannot be rotated more than 90 degrees. The method of claim 4, wherein The lower surface of the rotating shaft is formed with a straight groove is fixed to one end of the spring winding coupled, the bottom of one side of the support bracket of the "H" (character) form a fixing piece is formed to be fixed to the other end of the spring A rotating device for a vehicle seat cushion.

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