JP2017210160A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle seat which can effectively utilize inner space and reduce physical constitution of a seat back.SOLUTION: A vehicle seat 1 comprises: a seat back 13 supporting a back part of a crew member; a display body part 6 capable of displaying an image which is slidably arranged at the rear side of the seat back 13; and a drive unit 36 which drives the display body part 6. A back upper frame 33 constituting a frame of the seat back 13 is arranged at the upper part of the seat back 13. The drive unit 36 is stored in a storage space 330 consisting of the back upper frame 33.SELECTED DRAWING: Figure 7

Description

  The present disclosure relates to a vehicle seat.

  Conventionally, a seat back that supports the back of an occupant, a display main body that is slidably attached to the rear side of the seat back, and can display an image, and a drive unit that drives the display main body A vehicle seat is known (see Patent Document 1).

JP 2010-241334 A

  However, in the conventional vehicle seat, there is no effective space for disposing a driving unit such as a motor for driving the display main body near the display main body. For this reason, there is a problem that the size of the seat back is increased by mounting the drive unit. In particular, when the drive unit is disposed below the display main body unit, the foot space of the occupant sitting on the vehicle seat on the rear side may be reduced.

  The present disclosure provides a vehicle seat that can effectively use the space inside the seat back and reduce the size of the seat back.

  A vehicle seat according to an aspect of the present disclosure includes a seat back that supports the back of an occupant, a display main body that is slidably attached to a rear side of the seat back, and can display an image, and a display main body And a drive unit for driving the device. An upper frame constituting a skeleton of the seat back is provided on the upper portion of the seat back. The drive unit is accommodated in an accommodation space constituted by an upper frame.

  In the vehicle seat, a driving unit such as a motor for driving the display main body is accommodated in an accommodating space constituted by an upper frame provided on the upper portion of the seat back. That is, an accommodation space for accommodating the drive unit is formed in the upper frame constituting the skeleton of the seat back, and the drive unit is arranged in the accommodation space. Therefore, the space inside the seat back can be used effectively. Thereby, the physique of a seat back, such as thickness reduction of a seat back, can be made small. Further, it is possible to secure a sufficient foot space for an occupant sitting on the vehicle seat on the rear side.

  In the above vehicle seat, the accommodation space may have an opening that opens to the rear side of the seat back. In this case, a drive unit for driving the display main body unit can be disposed near the display main body unit disposed on the rear side of the seat back.

  Further, the upper frame may have a front surface portion extending in the width direction of the seat back, and an upper surface portion and a lower surface portion extending from the upper end portion and the lower end portion of the front surface portion to the rear side of the seat back, respectively. In this case, an accommodation space having an opening that opens to the rear side of the seat back can be easily formed.

  Further, at least one of both side portions of the seat back is provided with a side frame connected to the upper frame, and the drive unit is attached to a support unit that supports the display main body so as to be slidable. It may be attached to the side frame via a mounting bracket. In this case, the drive unit can be arranged near the display main body unit, and the drive unit can be arranged with high accuracy in the accommodation space of the upper frame.

  The mounting bracket may have a first mounting surface to which the support portion is mounted and a second mounting surface to which the side frame is mounted. In this case, the support portion and the side frame can be easily fixed via the mounting bracket, and the position of the driving portion can be easily adjusted via the mounting bracket.

It is the perspective view which looked at the vehicle seat from the back side. It is an expansion | deployment perspective view which shows the member which comprises the vehicle seat. It is the perspective view which looked at the display main-body part supported by the support plate from the front side. It is the perspective view which looked at the display main-body part from the back side. FIG. 5A is a perspective view of the display main body in the storage state supported by the support plate from above, and FIG. 5B shows the display main body in the storage state supported by the support plate from below. FIG. It is the perspective view which looked at the display main-body part of the use condition supported by the support plate from the lower side. It is explanatory drawing which shows the storage state of a display main-body part. It is explanatory drawing which shows the use condition of a display main-body part.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings.
In the present embodiment, the vehicle seat of the present disclosure is applied to a vehicle seat used in an automobile or the like.

  In the present embodiment, the arrows indicating the up, down, front, back, left, and right directions attached to the drawings are described for easy understanding of the relationship between the drawings. The present disclosure is not limited to the directions given in the drawings.

  As shown in FIG. 1, a vehicle seat (vehicle seat) 1 is disposed above a seat cushion (not shown) that supports an occupant's buttocks, a seat back 13 that supports the occupant's back, and a seat back 3. And a headrest 14 (see FIGS. 7 and 8 to be described later) for supporting the head of the occupant.

  The seat back 3 includes an upper back board 21 and a lower back board 22 that constitute the rear surface of the upper portion of the seat back 3. The upper backboard 21 is provided with a storage unit 23 that stores therein a display main body unit (display main body unit) 6 having a display unit 61 capable of displaying an image. An opening 24 that opens upward is formed at the upper end of the storage portion 23.

  As shown in FIGS. 2 to 8, the seat back 3 includes a back frame 30 that constitutes a skeleton of the seat back 3. The back frame 30 includes a pair of back side frames (side frames) 31 and 32 disposed on the left side and the right side of the seat back 3. The pair of backside frames 31 and 32 are arranged so as to extend in the longitudinal direction in the vertical direction.

  Further, the back frame 30 has a back upper frame (upper frame) 33 disposed on the upper portion of the seat back 3. The back upper frame 33 is installed between the upper ends of the pair of back side frames 31 and 32 in the left-right direction (the width direction of the vehicle seat 1).

  The back upper frame 33 includes a front surface portion 331 extending in the left-right direction, an upper surface portion 332 extending from the upper end of the front surface portion 331 to the rear side, and a lower surface portion 333 extending from the lower end of the front surface portion 331 to the rear side. The back upper frame 33 has an opening 334 that opens to the rear side. An accommodation space 330 surrounded by a front surface portion 331, an upper surface portion 332, and a lower surface portion 333 is formed inside the back upper frame 33.

  A plate-like base plate (support portion) 4 is attached to the back frame 30. The base plate 4 is disposed on the rear side of the back upper frame 33. The base plate 4 is attached to a pair of back side frames 31 and 32 via a pair of attachment brackets 34 and 35.

  The mounting bracket 34 has a first mounting surface 341 to which the base plate 4 is mounted and a second mounting surface 342 to which the back side frame 31 is mounted, respectively. The first mounting surface 341 is located on the rear side of the second mounting surface 342. The base plate 4 is pinned to the first mounting surface 341. The back side frame 31 is welded to the second mounting surface 342.

  The mounting bracket 35 has a first mounting surface 351 to which the base plate 4 is mounted and a second mounting surface 352 to which the back side frame 32 is mounted, respectively. The first attachment surface 351 is located behind the second attachment surface 352. The base plate 4 is pinned to the first mounting surface 351. The back side frame 32 is welded to the second mounting surface 352.

  A drive unit 36 is attached to the front surface of the base plate 4 via an attachment plate 37. The drive unit 36 includes a motor (not shown) that drives the display body 6. The motor is electrically connected to a control device (not shown), and is configured to be driven by various operations (for example, an occupant's switch operation). The drive unit 36 is accommodated in an accommodation space 330 formed inside the back upper frame 33.

  A first stopper 41 is pinned to the lower end of the rear surface of the base plate 4. A second stopper 42 is pinned to the upper end of the rear surface of the base plate 4. The second stopper 42 includes a pair of leg portions 421 and 422 and a shaft portion 423. The shaft portion 423 includes a pin 423a and a cylindrical portion 423b through which the pin 423a is inserted. The shaft portion 423 is connected to the pair of leg portions 421 and 422 by inserting the pin 423a through the tube portion 423b.

  A transmission member 43 is disposed at the center of the rear surface of the base plate 4. Since the gear teeth provided on the transmission member 43 and the gear teeth provided on the drive unit 36 are configured to mesh with each other, the torque (rotational force) of the motor of the drive unit 36 can be transmitted to the transmission member 43. it can.

  Slide rails 44 and 45 extending in the vertical direction are respectively pinned to the right end and the left end of the rear surface of the base plate 4. Sliders 46 and 47 configured to be slidable in the vertical direction along the slide rails 44 and 45 are attached to the slide rails 44 and 45, respectively. A slide plate 5 is attached to the sliders 46 and 47. The left end and right end of the slide plate 5 are pinned to sliders 46 and 47, respectively.

  The slide plate 5 is coupled to the transmission member 43 via a coupling pin (not shown). When the torque of the motor of the drive unit 36 is transmitted via the transmission member 43, the slide plate 5 can slide up and down along the slide rails 44 and 45 via the sliders 46 and 47. A claw portion 51 is provided at the center of the slide plate 5 so as to protrude to the rear side.

  A display main body 6 is attached to the slide plate 5. A display unit 61 capable of displaying an image is provided on the rear surface of the display main body unit 6. A rotary hinge 69 is provided at the lower end of the front surface of the display body 6. The rotary hinge portion 69 includes a hinge cover 62 and a hinge pin 63 that passes through the hinge cover 62 in the left-right direction. A hinge pin 63 is attached to the hinge cover 62 via a torsion spring (not shown) so that the display main body portion 6 is biased in a direction to tilt forward.

  Attachment pieces 64 and 65 are fixed to the left end and the right end of the hinge pin 63, respectively. The attachment pieces 64 and 65 are pinned to the sliders 46 and 47 together with the slide plate 5. The display main body 6 is supported so as to be slidable in the vertical direction with respect to the base plate 4 via the slide plate 5, sliders 46 and 47, and slide rails 44 and 45.

  A first hinge 66 and a second protrusion 67 are provided on the rotary hinge 69 of the display body 6. The first protrusion 66 protrudes from the upper part of the hinge cover 62 obliquely upward and forward. The second protrusion 67 is formed below the first protrusion 66 and protrudes forward from the hinge cover 62.

Next, operation | movement of the display main-body part 6 of the vehicle seat 1 is demonstrated.
As shown in FIGS. 7 and 8, in the vehicle seat 1 having the above-described configuration, the display body 6 is slid up and down to be stored in the storage state 23 (mostly stored in the storage portion 23 of the seat back 13. 1 state) and a use state (second state) that is located above the storage state and exposed to the outside of the storage unit 23 of the seat back 13 rather than the storage state.

  As shown in FIG. 7, a part of the display main body 6 is stored inside the storage unit 23 in the storage state. That is, a part of the display body 6 is exposed to the outside of the storage unit 23. The display main body 6 is arranged in a substantially parallel state with respect to the base plate 4. The upper end position of the display main body 6 is substantially the same as the upper end position of the seat back 13.

  A part of the display unit 61 of the display body 6 is exposed to the outside of the storage unit 23. The display unit 61 is exposed toward the rear side. The vertical length (height) h of the portion of the display unit 61 exposed to the outside of the storage unit 23 is １ ／ or more of the vertical length (height) H of the display unit 61.

  The second protrusion 67 of the display main body 6 is in contact with the claw 51 of the slide plate 5. The second protrusion 67 is in contact with the first stopper 41 of the base plate 4. Specifically, the second protrusion 67 is in contact with the first stopper 41 in the vertical direction. Note that the second protruding portion 67 and the claw portion 51 may not be in contact with each other in the retracted state. Moreover, it is good also as a structure which the 2nd protrusion part 67 and the 1st stopper 41 do not contact in a retracted state.

  In the retracted state, for example, when a load is applied to the exposed portion (upper part) of the display main body 6 on the rear side with the occupant holding the hand, the display main body 6 second protrusion 67 and The claw portion 51 of the slide plate 5 is engaged to restrict the rearward movement of the display main body portion 6, specifically, the rearward rotation via the rotary hinge portion 69.

  Further, in the retracted state, when a load is applied to the exposed portion (upper part) of the display main body 6 in the state where the occupant puts his / her hand on the front side, for example, the second protrusion of the display main body 6 is performed. The portion 67 and the first stopper 41 of the base plate 4 are engaged to restrict the forward movement of the display main body 6, specifically, forward rotation through the rotary hinge 69.

  Furthermore, in the retracted state, for example, when a load is applied to the exposed portion (upper part) of the display main body 6 in a state where the occupant is holding the hand, the second protrusion of the display main body 6 is applied. The portion 67 and the first stopper 41 of the base plate 4 are engaged to restrict the downward movement of the display main body 6.

  As shown in FIG. 8, when the occupant performs a switch operation or the like to raise the display body 6 in the retracted state and slides the display body 6 upward (sliding in the direction A1 in FIG. 8), the display body The first protrusion 66 of the portion 6 engages with the second stopper 42 of the base plate 4 (the position indicated by the two-dot chain line in FIG. 8). At this time, the slide plate 5 slides upward together with the display main body 6.

  Further, when the display body 6 is slid upward, the display body 6 resists the urging force of the torsion spring in a state where the first protrusion 66 and the second stopper 42 are engaged with each other. It is rotated forward (rotated in the direction B1 in FIG. 8) so as to incline to the side. As a result, the entire display unit 61 of the display main body unit 6 is exposed to the outside of the storage unit 23 (solid line position in FIG. 8).

  In the state of use, for example, when a load is applied to the display main body 6 in the rear side with the occupant holding the hand, the first protrusion 66 of the display main body 6 and the second of the base plate 4 are applied. The stopper 42 is engaged to restrict the rearward movement of the display main body 6, specifically, the backward rotation via the rotary hinge 69.

  Further, in the state of use, for example, when a load is applied to the front side of the display main body 6 in the state where an occupant is holding the hand, the display main body 6 and the headrest 14 come into contact with each other, and the display main body The movement of the portion 6 to the front side, specifically, the forward rotation through the rotary hinge portion 69 is restricted. Further, the first protrusion 66 of the display main body 6 and the claw 51 of the slide plate 5 are engaged to restrict the forward rotation of the display main body 6. At this time, the display main body 6 comes into contact with the headrest 14 before the claw 51 of the slide plate 5.

  When the occupant performs a switch operation or the like for lowering the display main body 6 in the use state, the display main body 6 rotates backward (rotates in the direction B2 in FIG. 8) by the urging force of the torsion spring, and the base plate 4 It becomes a substantially parallel state. Then, when the display body 6 is slid downward (slid in the direction A2 in FIG. 8), it returns to the retracted state (FIG. 7).

Next, the effect in the vehicle seat 1 of this embodiment is demonstrated.
In the vehicle seat 1 of the present embodiment, a drive unit 36 such as a motor for driving the display main body 6 is accommodated in an accommodation space 330 constituted by a back upper frame 33 provided on the upper portion of the seat back 13. . That is, an accommodation space 330 for accommodating the drive unit 36 is formed in the back upper frame 33 constituting the skeleton of the seat back 13, and the drive unit 36 is arranged in the accommodation space 330. Therefore, the space inside the seat back 13 can be used effectively. Thereby, the physique of the seat back 13 can be made small, such as the thinning of the seat back 13. In addition, it is possible to sufficiently secure the foot space of the occupant seated on the vehicle seat 1 on the rear side.

  The accommodation space 330 of the back upper frame 33 has an opening 334 that opens to the rear side of the seat back 13. Therefore, the drive unit 36 that drives the display main body 6 can be disposed near the display main body 6 disposed on the rear side of the seat back 13.

  The back upper frame 33 includes a front surface portion 331 extending in the width direction of the seat back 13, and an upper surface portion 332 and a lower surface portion 333 extending from the upper end portion and the lower end portion of the front surface portion 331 to the rear side of the seat back 13, respectively. Have. Therefore, the accommodation space 330 having the opening 334 that opens to the rear side of the seat back 13 can be easily formed.

  Further, back side frames 31 and 32 connected to the back upper frame 33 are provided on both side portions (left side portion and right side portion) of the seat back 13 so that the drive unit 36 can slide the display main body unit 6. The base plate 4 is attached to the supporting base plate 4, and the base plate 4 is attached to the back side frames 31 and 32 via the attachment brackets 34 and 35. Therefore, the drive unit 36 can be disposed near the display main body unit 6, and the drive unit 36 can be accurately disposed in the accommodation space 330 of the back upper frame 33.

  Further, the mounting brackets 34 and 35 have first mounting surfaces 341 and 351 to which the base plate 4 is mounted, and second mounting surfaces 342 and 352 to which the back side frames 31 and 32 are mounted. Therefore, the base plate 4 and the back side frames 31 and 32 can be easily fixed via the mounting brackets 34 and 35, and the position of the drive unit 36 can be easily adjusted via the mounting brackets 34 and 35.

(Other embodiments)
Needless to say, the present disclosure is not limited to the above-described embodiment, and can be implemented in various forms without departing from the present disclosure.

  (1) In the above-described embodiment, the vehicle seat of the present disclosure is applied to the vehicle seat 1 used for an automobile. However, for example, the vehicle seat may be applied to a vehicle seat used for a railway other than an automobile or an aircraft. You may apply to the sheet | seat used for other vehicles, such as a ship.

  (2) In the above embodiment, a part of the display main body 6 is exposed to the outside of the storage unit 23 of the seat back 13 in the storage state. For example, in the storage state, the entire display main body 6 is seated. It is good also as a structure stored in the storage part 23 of the back | bag 13. FIG.

  (3) The functions of one component in the above embodiment may be distributed as a plurality of components, or the functions of a plurality of components may be integrated into one component. Moreover, you may abbreviate | omit a part of structure of the said embodiment. In addition, at least a part of the configuration of the above embodiment may be added to or replaced with the configuration of the other embodiment. In addition, all the aspects included in the technical idea specified from the wording described in the claims are embodiments of the present disclosure.

  DESCRIPTION OF SYMBOLS 1 ... Vehicle seat (vehicle seat), 4 ... Base plate (support part), 6 ... Display main-body part, 13 ... Seat back, 31, 32 ... Back side frame (side frame), 33 ... Back upper frame (upper frame) , 34, 35 ... mounting bracket, 36 ... drive unit, 330 ... accommodation space, 331 ... front surface part, 332 ... upper surface part, 333 ... lower surface part, 334 ... opening, 341, 351 ... first mounting surface, 342 352: Second mounting surface

Claims (5)

A vehicle seat,
A seat back that supports the back of the occupant;
A display main body that is slidably mounted on the rear side of the seat back and can display an image;
A drive unit for driving the display main body unit,
The upper part of the seat back is provided with an upper frame constituting the skeleton of the seat back,
The drive unit is a vehicle seat accommodated in an accommodation space constituted by the upper frame.   The vehicle seat according to claim 1, wherein the housing space has an opening that opens to a rear side of the seat back.   The said upper frame has a front part extended in the width direction of the said seat back, and the upper surface part and lower surface part which are each extended in the back side of the said seat back from the upper end and lower end of the said front part, respectively. Vehicle seat.   At least one of both side portions of the seat back is provided with a side frame coupled to the upper frame, and the drive unit is attached to a support unit that slidably supports the display main body unit, and the support unit The vehicle seat according to claim 1, wherein the vehicle seat is attached to the side frame via a mounting bracket.   The vehicle seat according to claim 4, wherein the mounting bracket has a first mounting surface to which the support portion is mounted and a second mounting surface to which the side frame is mounted.