KR102540207B1 - Seat swivel apparatus for vehicle - Google Patents

Abstract

The present invention relates to a seat swivel device for a vehicle, and relates to a fixed body, a rotating body disposed facing the fixed body and connected to a seat portion, a rotating support portion rotatably supporting the rotating body with respect to the fixed body, and generating a driving force. It is characterized in that it comprises a driving unit for relative rotation of the rotating body with respect to the fixed body.

Description

Vehicle seat swivel device {SEAT SWIVEL APPARATUS FOR VEHICLE}

The present invention relates to a vehicle seat swivel device, and more particularly, to a vehicle seat swivel device capable of adjusting a rotational angle of a vehicle seat.

In general, a passenger vehicle having three or more seat rows provides rotatable seats to provide convenience for a rear occupant during a conversation. In this way, in order to rotate the seat, a seat rotating device called a swivel is mounted between the seat cushion and the seat rail. Such a swivel device must have sufficient rigidity to support the occupant's weight and must be able to perform smooth rotational motion in order to properly function.

However, the conventional swivel device has a problem in that the vertical separation prevention structure is disposed only at a specific fixed position, so that the separation of parts occurs frequently, and the rotation angle is limited to not exceed a maximum of 180 ° in consideration of twisting of the cable.

The background art of the present invention is disclosed in Korean Patent Registration Publication No. 10-1826513 (registered on February 1, 2018, title of the invention: electric seat rotation device for vehicles).

An object of the present invention is to provide a vehicle seat swivel device capable of rotating 360 degrees and preventing separation of parts.

In order to solve the above problems, a vehicle seat swivel device according to the present invention includes: a fixed body; a rotating body disposed to face the fixed body and connected to the seat portion; a rotation support unit rotatably supporting the rotation body with respect to the fixed body; and a driving unit generating a driving force to relatively rotate the rotating body with respect to the fixed body.

In addition, the rotation support unit, a first support bracket coupled to the fixing body; a second support bracket coupled to the rotating body and spaced apart from the first support bracket; and a first rotation support member provided between the first support bracket and the second support bracket and rotatably supporting the second support bracket with respect to the first support bracket.

In addition, the first rotation support member includes a plurality of first bearings, both surfaces of which are in rolling contact with the first support bracket and the second support bracket, respectively.

In addition, the second support bracket is disposed between the fixing body and the first support bracket, and the rotation support unit includes a second rotation support member rotatably supporting the second support bracket with respect to the fixing body. contains more

In addition, the second rotation support member, one side coupled to the fixing body, the other side of the second rotation support body disposed to face the second support bracket; and a second bearing rotatably installed on the second rotation support body and in rolling contact with the second support bracket.

In addition, the drive unit may include a drive motor fixed to the fixing body and receiving power supplied from the outside to generate rotational force; and a deceleration module fixed to the rotation body and interlocked with rotational force generated from the driving motor to rotate the rotation body.

In addition, the driving motor is disposed coaxially with the rotating body.

In addition, a gap maintaining unit for maintaining a gap between the fixed body and the rotating body; further includes.

In addition, the space maintaining unit is provided in plurality and is disposed to be spaced apart from each other along the circumferences of the fixed body and the rotating body.

In addition, the distance maintaining unit, the distance maintaining body disposed outside the fixed body and the rotating body; a first distance maintaining member extending from one side of the distance maintaining body and fixed to the rotating body; and a second distance maintaining member extending from the other side of the distance maintaining body and rotatably contacting the fixing body.

In addition, the second distance maintaining member is formed in a hook shape and engaged with an end portion of the fixing body.

In addition, a power supply unit provided between the fixed body and the rotating body and supplying power to the seat unit; further includes.

In addition, the power supply unit is connected to the drive unit, a transmission module for wirelessly transmitting the power supplied from the drive unit; and a receiving module disposed to be spaced apart from the transmitting module and transmitting power transmitted from the transmitting module to the seat portion.

In addition, the transmitting module is fixed to the fixed body, and the receiving module is fixed to the rotating body and rotates relative to each other when the rotating body rotates.

In the vehicle seat swivel device according to the present invention, as the first bearing and the second bearing individually rotatably support different surfaces of the second support bracket, during the rotational operation of the rotating body, the rotational support moves up and down due to play. can prevent it from happening.

In addition, the vehicle seat swivel device according to the present invention can prevent the fixing body and the rotating body from moving up and down due to a gap or being separated from the original position by the gap maintaining unit.

In addition, the vehicle seat swivel device according to the present invention can prevent damage, twisting, etc. of cables generated during the rotation of the seat by a transmission module and a reception module that wirelessly transmit power in a spaced apart state, and the seat The rotation range can be extended.

1 is a view schematically showing an installation state of a vehicle seat swivel device according to an embodiment of the present invention.
2 is a perspective view schematically showing the configuration of a vehicle seat swivel device according to an embodiment of the present invention.
3 is an exploded perspective view schematically showing the configuration of a vehicle seat swivel device according to an embodiment of the present invention.
4 is a cross-sectional view schematically showing the configuration of a vehicle seat swivel device according to an embodiment of the present invention.
5 is an enlarged view schematically illustrating a configuration of a rotation support unit according to an embodiment of the present invention.
6 is an enlarged view schematically showing the configuration of a space keeping unit according to an embodiment of the present invention.
7 is an enlarged view schematically illustrating the configuration of a power supply unit according to an embodiment of the present invention.

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

In this process, the thickness of lines or the size of components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, definitions of these terms will have to be made based on the content throughout this specification.

In addition, in this specification, when a part is said to be “connected (or connected)” to another part, this is not only the case where it is “directly connected (or connected)”, but also “with another member in between” It also includes cases where it is indirectly connected (or connected). In this specification, when it is said that a certain part "includes (or includes)" a certain component, this does not exclude other components unless otherwise stated, but "includes (or includes)" other components. It means you can.

Also, like reference numerals may refer to like elements throughout this specification. Even if the same reference numerals or similar reference numerals are not mentioned or described in a particular drawing, the numerals may be described based on another drawing. In addition, even if there are parts not marked with reference numerals in specific drawings, the parts can be described based on other drawings. In addition, the number, shape, size, and relative difference of the detailed components included in the drawings of the present application are set for convenience of understanding, and may be implemented in various forms without limiting the embodiments.

1 is a view schematically showing an installation state of a vehicle seat swivel device according to an embodiment of the present invention, and FIG. 2 is a perspective view schematically showing the configuration of a vehicle seat swivel device according to an embodiment of the present invention. 3 is an exploded perspective view schematically showing the configuration of a vehicle seat swivel device according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view schematically showing the configuration of a vehicle seat swivel device according to an embodiment of the present invention.

1 to 4, the vehicle seat swivel device 1 according to an embodiment of the present invention includes a fixed body 100, a rotating body 200, a rotation support unit 300, a driving unit 400, and a gap maintenance It includes a unit 500 and a power supply unit 600.

The fixing body 100 forms the lower exterior of the vehicle seat swivel device 1 according to an embodiment of the present invention and functions as a non-rotating element supporting the rotational motion of the seat part 2 . Hereinafter, as shown in FIG. 1, the fixing body 100 moves along the seat rail 10 installed on the floor panel of the vehicle and is fixed to the seat transfer unit 20 that changes the position of the seat portion 2. Let me explain with an example. However, the fixing body 100 is not limited thereto, and may be directly fixed to the floor panel of the vehicle.

The fixing body 100 according to an embodiment of the present invention may be formed to have a flat plate shape in the vertical direction. The lower side of the fixing body 100 is disposed to face the upper side of the sheet transfer unit 20 . The fixing body 100 may be fixed to the sheet transfer unit 20 by bolting, welding, or the like.

A first accommodating part 110 accommodating a driving part 400 to be described later is formed in the center of the fixing body 100 . The first accommodating part 110 according to an embodiment of the present invention may be formed to have a shape of a groove concavely formed in a downward direction from the upper side of the fixing body 100 . The first accommodating part 110 is disposed so that its central axis is coaxial with the central axis of the fixing body 100 . The diameter, height, etc. of the first accommodating part 110 can be variously designed according to the size of the driving part 400 .

An end portion of the fixing body 100 is formed with a locking portion 120 for rotatably supporting a space keeping portion 500 to be described later. The hooking part 120 according to an embodiment of the present invention may be formed to have a hook shape extending curvedly upward from the upper side of the end of the fixing body 100 . The hanging portion 120 may be formed over the entire circumference of the fixing body 100 to form a ring shape.

The rotating body 200 forms the upper exterior of the vehicle seat swivel device 1 according to an embodiment of the present invention, and is disposed to face the fixed body 100. The rotating body 200 is installed to be relatively rotatable with respect to the fixed body 100 via the rotation support 300 to be described later. The rotating body 200 is connected to the seat portion 2 and functions as a rotating element that rotates together with the seat portion 2 during rotation of the seat portion 2 .

Rotating body 200 according to an embodiment of the present invention may be formed to have a flat plate shape in the vertical direction. The lower side of the rotating body 200 is disposed facing the upper side of the fixed body 100 at a predetermined interval. The rotating body 200 is arranged such that its central axis is positioned coaxially with the central axis of the fixed body 100 . The upper side of the rotating body 200 is in contact with the lower side of the cushion frame of the seat unit 2 . The rotating body 200 may be indirectly fixed to the lower surface of the cushion frame via a driving unit 400 to be described later. Alternatively, the rotating body 200 may be directly fixed to the lower surface of the cushion frame by bolting, welding, or the like.

The rotating body 200 is formed with a second accommodating portion 210 accommodating a power supply 600 to be described later. The second accommodating part 210 according to an embodiment of the present invention may be formed to have a shape of a groove concavely formed in an upward direction from the lower side of the rotating body 200 . The second accommodating part 210 extends along the circumferential direction of the rotating body 200 to form a substantially ring shape. In this case, the second accommodating part 210 may have a diameter greater than that of the first accommodating part 110 and may be arranged so that its central axis is coaxial with the central axis of the first accommodating part 110. .

The rotation support part 300 is provided between the fixed body 100 and the rotating body 200 and rotatably supports the rotating body 200 with respect to the fixed body 100 .

5 is an enlarged view schematically illustrating a configuration of a rotation support unit according to an embodiment of the present invention.

1 to 5, the rotation support unit 300 according to an embodiment of the present invention includes a first support bracket 310, a second support bracket 320, a first rotation support member 330, and a second support bracket 310. It includes a rotation support member 340.

The first support bracket 310 forms the exterior of one side of the rotation support 300 and is coupled to the fixed body 100. The first support bracket 310 according to an embodiment of the present invention may be formed in the form of a plate having a hollow ring shape. The first support bracket 310 is disposed between the upper side of the fixed body 100 and the lower side of the rotating body 200 . The first support bracket 310 may be formed to have a stair-shaped cross-sectional shape in which the height of the outer side in the radial direction is lower than the height of the inner side in the radial direction. The first support bracket 310 is attached to the fixing body 100 by bolting in a state where the inner lower surface in the radial direction is in contact with the upper surface of the fixing body 100 disposed outside the first accommodating part 110. It can be fixed integrally. In this case, the inner diameter of the first support bracket 310 may be larger than the diameter of the first accommodating part 110 so as to prevent interference with the driving part 400 . The outer lower surface of the first support bracket 310 in the radial direction is spaced apart from the upper surface of the fixing body 100 by a predetermined distance. The upper surface of the outer side in the radial direction of the first support bracket 310 is spaced apart from the second accommodating part 210 by a predetermined distance and faces each other.

The second support bracket 320 forms the outer appearance of the other side of the rotation support 300 and is coupled to the rotation body 200 . The second support bracket 320 is disposed to be spaced apart from the first support bracket 310 and rotates relative to the first support bracket 310 when the rotating body 200 rotates. The second support bracket 320 according to an embodiment of the present invention may be formed in the form of a plate having an arc shape. The second support bracket 320 is disposed between the upper side of the fixed body 100 and the lower side of the rotating body 200 . The second support bracket 320 may be formed to have a stair-shaped cross-sectional shape in which the height of the outer side in the radial direction is lower than the height of the inner side in the radial direction. The second support bracket 320 is connected to the rotation body 200 by bolting in a state where the upper side of the outer side in the radial direction is in contact with the lower side of the rotation body 200 disposed outside the second accommodating part 210. It can be fixed integrally. The second support bracket 320 is disposed between the fixing body 100 and the first support bracket 310 in the radial direction. That is, the lower side and the upper side of the radially inner side of the second support bracket 320 face the upper side of the fixing body 100 and the lower side of the radially outer side of the first support bracket 310 by a predetermined distance. placed to see

The second support brackets 320 are provided in plurality and are spaced apart from each other on a circumference centered on the central axis of the rotating body 200 . In FIG. 3, the number of second support brackets 320 is illustrated as an example of four, but the number of second support brackets 320 is not limited thereto, and design changes can be made to various numbers such as three or five. possible.

The first rotation support member 330 is provided between the first support bracket 310 and the second support bracket 320, and rotates the second support bracket 320 with respect to the first support bracket 310. support

The first rotation support member 330 according to an embodiment of the present invention includes a first bearing 331.

The first bearing 331 is formed to have a substantially spherical shape and is disposed between the first support bracket 310 and the second support bracket 320 . Both sides of the first bearing 331 are in rolling contact with the lower side of the first support bracket 310 and the upper side of the second support bracket 320, respectively. The first bearing 331 may be provided in plurality. In this case, the plurality of first bearings 331 are spaced apart from each other on a circumference centered on the central axis of the first support bracket 310 and the second support bracket 320 .

The second rotation support member 340 is provided between the fixed body 100 and the second support bracket 320 and rotatably supports the second support bracket 320 with respect to the fixed body 100 . The second rotation support member 340 may be provided in plurality. In this case, the plurality of second rotation support members 340 are spaced apart from each other on a circumference centered on the central axis of the first support bracket 310 and the second support bracket 320 .

The second rotation support member 340 according to an embodiment of the present invention includes a second rotation support body 341 and a second bearing 342 .

The second rotation support body 341 may be formed to have a substantially bolt shape. The lower side of the second rotation supporting body 341 vertically penetrates the fixed body 100 and is integrally coupled to the fixed body 100 by being fastened with a nut or the like. Accordingly, the second rotation support body 341 can more effectively prevent the second rotation support member 340 from being separated from its original position. The upper side of the second rotation support body 341 is disposed to face the lower side of the second support bracket 320 .

The second bearing 342 is formed to have a substantially spherical shape and is rotatably installed on the upper surface of the second rotation support body 341 . The upper end of the second bearing 342 protrudes upward from the second rotation support body 341 and comes into rolling contact with the lower surface of the second support bracket 320 . As the first bearing 331 and the second bearing 342 individually support different surfaces of the second support bracket 320 with the second support bracket 320 therebetween, the second support bracket 320 ) can be restricted from flowing up and down by play or the like.

The driving unit 400 generates a driving force to relatively rotate the rotating body 200 with respect to the fixed body 100 .

The driving unit 400 according to an embodiment of the present invention includes a driving motor 410, a deceleration module 420, and a fastening member 430.

The driving motor 410 is fixed to the fixed body 100 and receives power from the outside to generate rotational force. The drive motor 410 according to an embodiment of the present invention is exemplified by various types of electric motors including a stator that receives power from the outside and generates electromagnetic force, and a rotor that rotates in conjunction with the electromagnetic force generated from the stator. It can be. The drive motor 410 is disposed inside the first accommodating part 110 , and its lower surface is seated on the upper surface of the first accommodating part 110 . The drive motor 410 may be detachably coupled to the fixed body 100 by bolting or the like in a state disposed inside the first accommodating part 110, and integrally coupled to the fixed body 100 by welding or the like. It is also possible. The driving motor 410 is disposed coaxially with the rotating body 200 .

The deceleration module 420 is connected to the driving motor 410 and fixed to the rotating body 200 . The deceleration module 420 rotates the rotating body 200 by interlocking with the rotational force generated from the drive motor 410 . That is, the deceleration module 420 functions as a component that decelerates the rotational force generated from the drive motor 410 and transmits it to the rotation body 200 . The deceleration module 420 according to an embodiment of the present invention may be composed of a combination of various types of gears connected to the rotor of the drive motor 410 and rotatable, such as a planetary gear, a worm gear, and a cycloid gear. The deceleration module 420 may be disposed so that its central axis is positioned coaxially with the central axis of the drive motor 410 and may be formed to form a concentric circle with the drive motor 410 .

The fastening member 430 extends from the deceleration module 420 and interconnects the deceleration module 420, the rotating body 200 and the seat portion 2. The fastening member 430 according to an embodiment of the present invention may be formed to have a bolt shape extending vertically upward from the upper side of the deceleration module 420 . The fastening member 430 vertically penetrates the rotating body 200 and is inserted into the seat portion 2 . The fastening member 430 integrally fixes the deceleration module 420, the rotary body 200, and the seat part 2 as it is fastened to a nut or the like in a state where the end is inserted into the seat part 2. Accordingly, the fastening member 430 may allow the rotation body 200 and the seat portion 2 to rotate together with the reduction module 420 when the reduction module 420 rotates. The fastening member 430 may be provided in plurality and may be disposed spaced apart from each other along the circumferential direction of the deceleration module 420 .

The gap maintaining unit 500 is connected to the fixed body 100 and the rotating body 200 to maintain a constant distance between the fixed body 100 and the rotating body 200 . Accordingly, the gap maintaining unit 500 prevents the fixed body 100 and the rotating body 200 from moving up and down due to play or from being separated from the original position, thereby inducing a smooth rotational operation of the rotating body 200. there is. The spacing maintaining unit 500 is provided in plurality and may be arranged to be spaced apart from each other along the circumference of the fixed body 100 and the rotating body 200 . In this case, the plurality of space keeping units 500 may be spaced apart from each other at regular intervals. Accordingly, the plurality of space keeping units 500 may maintain a constant distance between the fixed body 100 and the rotating body 200 over the entire circumference.

6 is an enlarged view schematically showing the configuration of a space keeping unit according to an embodiment of the present invention.

Referring to FIG. 6 , the space maintaining unit 500 according to an embodiment of the present invention includes a space maintaining body 510, a first space maintaining member 520, and a second space maintaining member 530.

The distance maintaining body 510 forms the outer appearance of the central portion of the distance maintaining unit 500, and supports the first distance maintaining member 520 and the second distance maintaining member 530 as a whole, which will be described later. The distance maintaining body 510 according to an embodiment of the present invention is formed to have a substantially flat plate shape and may be disposed outside the fixed body 100 and the rotating body 200. The distance maintaining body 510 is arranged in parallel with the direction of the central axis of the vertical direction, that is, the fixed body 100 and the rotating body 200 in the longitudinal direction. The inner surface of the space maintaining body 510 is disposed to face the end surfaces of the fixed body 100 and the rotating body 200 .

The first distance maintaining member 520 extends from one side of the distance maintaining body 510 and is fixed to the rotating body 200 . The first distance maintaining member 520 according to an embodiment of the present invention has a shape of a plate extending in a direction parallel to the radial direction of the fixed body 100 and the rotating body 200 from the upper end of the distance maintaining body 510. can be formed to have The first distance maintaining member 520 is rotated by a bolt or the like that simultaneously penetrates the second support bracket 320 and the rotation body 200 while the lower side is in contact with the upper side of the rotation body 200. can be integrally fixed to The distance maintaining body 510 and the first distance maintaining member 520 are rotated together with the rotation body 200 around the central axis of the rotation body 200 when the rotation body 200 rotates.

The second distance maintaining member 530 extends from the other side of the distance maintaining body 510 and is rotatably in contact with the fixing body 100 . The second distance maintaining member 530 according to an embodiment of the present invention extends from the lower end of the distance maintaining body 510 in a direction parallel to the radial direction of the fixed body 100 and the rotating body 200. The second gap maintaining member 530 is formed to have a hook shape and is engaged with the hooking portion 120 formed at the end of the fixing body 100 . Accordingly, the second distance maintaining member 530 maintains a fastened state with the fixing body 100 when the spacing maintaining body 510 rotates, and can be relatively rotated with respect to the fixing body 100 .

The power supply unit 600 is provided between the fixed body 100 and the rotating body 200, and supplies power to the seat unit 2. More specifically, the power supply unit 600 is connected to the driving unit 400 to receive some of the power supplied to the driving unit 400, and transmits the received power to the seat unit through an inductive coupling method based on electromagnetic induction or a magnetic resonance method. It functions as a structure that wirelessly supplies to (2).

7 is an enlarged view schematically illustrating the configuration of a power supply unit according to an embodiment of the present invention.

Referring to FIG. 7 , a power supply unit 600 according to an embodiment of the present invention includes a transmission module 610 and a reception module 620.

The transmission module 610 is connected to the driving unit 400 and wirelessly transmits power supplied from the driving unit 400 . The transmission module 610 according to an embodiment of the present invention is formed to have a substantially hollow ring shape and is disposed between the rotating body 200 and the first support bracket 310. The transmission module 610 is indirectly fixed to the fixing body 100 by being coupled to the first support bracket 310 by bolting or welding. Inside the transmission module 610, a plurality of flat coils in which a conductive member having a certain length is wound multiple times in a clockwise or counterclockwise direction are installed at regular intervals along the circumference of the transmission module 610. The transmission module 610 is electrically connected to the drive unit 400, more specifically, the drive motor 410 by a cable, etc., and receives a portion of the power supplied to the drive motor 410.

The receiving module 620 is disposed to be spaced apart from the transmitting module, and transmits power wirelessly transmitted from the transmitting module 610 to the seat portion 2 . The receiving module 620 according to an embodiment of the present invention is formed to have a substantially hollow ring shape and is disposed inside the second accommodating part 210 . The receiving module 620 is coupled to the lower side of the second accommodating part 210 by bolting or welding and fixed to the rotating body 200 . The lower side of the receiving module 620 is disposed to be spaced apart from the upper side of the transmitting module 610 . The receiving module 620 rotates relative to the transmitting module 610 when the rotating body 200 rotates. Accordingly, the receiving module 620 can prevent damage or twisting of cables generated during the rotation of the seat part 2 and can expand the rotatable range of the seat part 2 . Inside the receiving module 620, a plurality of flat coils in which a conductive member having a certain length is wound a plurality of times in a clockwise or counterclockwise direction are installed at regular intervals along the circumferential direction of the receiving module 620. The receiving module 620 wirelessly receives the power transmitted to the transmitting module 610 through an inductive coupling method or a magnetic resonance method based on electromagnetic induction with the transmitting module 610 . The receiving module 620 is electrically connected to a control circuit (not shown) of the seat part 2 that controls the operation of various motors by a user's switch operation to adjust the inclination, height, etc. of the seat part 2, Power received from the transmission module 610 is supplied to the control circuit of the seat part 2 .

The present invention has been described with reference to the embodiments shown in the drawings, but this is only exemplary, and those skilled in the art can make various modifications and equivalent other embodiments. will understand

Therefore, the technical protection scope of the present invention should be determined by the claims below.

Reference Numerals 1: vehicle seat swivel device 2: seat portion
100: fixed body
110: first accommodating part 120: hanging part
200: rotation body 210: second receiving unit
300: rotation support 310: first support bracket
320: second support bracket 330: first rotation support member
331: first bearing 340: second rotation support member
341: second rotation support body 342: second bearing
400: driving unit 410: driving motor
420: deceleration module 430: fastening member
500: spacing maintenance unit 510: spacing maintenance body
520: first spacing member 530: second spacing member
600: power supply unit 610: transmission module
620: receiving module

Claims (14)

fixed body;
a rotating body disposed to face the fixed body and connected to the seat portion;
a rotation support unit rotatably supporting the rotation body with respect to the fixed body; and
a driving unit generating a driving force to relatively rotate the rotating body with respect to the fixed body; and
A power supply unit provided between the fixing body and the rotating body and supplying power to the seat unit; including;
The rotational support,
a first support bracket coupled to the fixing body;
a second support bracket coupled to the rotating body, disposed between the fixing body and the first support bracket, and spaced apart from the first support bracket;
a first rotation support member provided between the first support bracket and the second support bracket and rotatably supporting the second support bracket with respect to the first support bracket; and
A second rotation support member rotatably supporting the second support bracket with respect to the fixing body; and
The second rotation support member,
a second rotational support body having one side coupled to the fixing body and the other side facing the second support bracket; and
A second bearing rotatably installed on the second rotation support body and in rolling contact with the second support bracket;
The second rotation support body is formed to have a bolt shape, and the lower side penetrates the fixing body vertically and is fastened with a nut,
The second bearing has an upper end protruding upward from the second rotation support body and rolling contact with the lower surface of the second support bracket,
The fixing body is formed with a first accommodating portion concavely formed downwardly from the upper side of the fixing body,
The rotating body is formed with a second receiving portion concavely formed concave upward from the lower side of the rotating body,
The power supply unit is accommodated inside the second accommodating unit,
The power supply unit,
a transmission module connected to the driving unit and wirelessly transmitting power supplied from the driving unit; and
A receiving module disposed to be spaced apart from the transmitting module and transmitting power transmitted from the transmitting module to the seat portion;
The transmission module is formed to have a hollow ring shape and is fixed to the first support bracket,
The receiving module is formed to have a hollow ring shape and is fixed to the rotating body,
The vehicle seat swivel device, characterized in that the transmitting module and the receiving module rotate relative to each other when the rotating body rotates.
delete According to claim 1,
The vehicle seat swivel device, characterized in that it comprises a plurality of first bearings, both sides of the first rotation support member are in rolling contact with the first support bracket and the second support bracket, respectively.
delete delete According to claim 1,
the driving unit,
a driving motor fixed to the fixing body and receiving power supplied from the outside to generate rotational force; and
A vehicle seat swivel device comprising a; deceleration module fixed to the rotation body and interlocked with rotational force generated from the drive motor to rotate the rotation body.
According to claim 6,
The drive motor is a vehicle seat swivel device, characterized in that disposed coaxially with the rotating body.
According to claim 1,
The seat swivel device for a vehicle, characterized in that it further comprises; a gap maintaining unit for maintaining a distance between the fixed body and the rotating body.
According to claim 8,
The vehicle seat swivel device, characterized in that the distance maintaining portion is provided in plurality and disposed spaced apart from each other along the circumferences of the fixed body and the rotating body.
According to claim 8,
The spacing maintaining unit,
a space maintaining body disposed outside the fixed body and the rotating body;
a first distance maintaining member extending from one side of the distance maintaining body and fixed to the rotating body; and
A vehicle seat swivel device comprising a; second distance maintaining member extending from the other side of the distance maintaining body and rotatably in contact with the fixing body.
According to claim 10,
The vehicle seat swivel device, characterized in that the second distance maintaining member is formed in a hook shape and engaged with the end of the fixing body.
delete delete delete

Images