JP2017210159A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle seat which can sufficiently secure load bearing of a display body part.SOLUTION: A vehicle seat 1 comprises: a seat back 13; a display body part 6 capable of displaying an image; a base plate 4 which slidably supports the display body part 6; and a storage part 23 which stores the display body part 6. The display body part 6 can switch a state between a storage state where the display body part is deeply stored in the storage part 23 to the maximum by sliding movement in a vertical direction and a use state where the display body part is positioned more upward than the storage state and exposed more outside of the storage part 23 than the storage state. A part of the display body part is exposed outside of the storage part 23 in the storage state. A claw part 51 of a slide plate 5 is arranged on the seat back 13 in which the claw part restricts movement of the display body part 6 in a rear direction by engaging with a second projection 67 arranged in the display body part 6 in the storage state of the display body part 6.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a vehicle seat.

  Conventionally, a seat back that supports the back of the occupant, a slide body disposed on the rear side of the seat back, and a display main body capable of displaying images, and provided on the seat back, the display main body can be slid. 2. Description of the Related Art A vehicle seat is known that includes a supporting portion that supports and a storage portion that is provided on a seat back and stores a display main body portion.

  For example, in Patent Document 1, by sliding up and down, the first state most stored in the storage unit is located above the first state, and the storage unit is positioned higher than the first state. A vehicle seat including a display main body configured to be switchable between a second state exposed to the outside is disclosed.

JP 2010-241334 A

  However, the conventional vehicle seat has not been configured to be able to receive a sufficient load when a load is applied in a state where an occupant places a hand on the display main body. That is, the load resistance of the display main body has not been sufficiently ensured.

  The present disclosure provides a vehicle seat that can sufficiently ensure the load resistance of a display main body.

  A vehicle seat according to an aspect of the present invention includes a seat back that supports the back of an occupant, a display main body that is slidably disposed on the rear side of the seat back, and that can display an image. A support unit that is slidably supported on the display main body unit, and a storage unit that is provided on the seat back and stores the display main body unit. The display main body is slid in the vertical direction, thereby being positioned in the first state most stored in the storage unit and above the first state, and exposed outside the storage unit than in the first state. In the first state, at least a part of the second state is exposed to the outside of the storage unit. The seat back is provided with a rearward movement restricting portion that engages with an engaging portion provided in the display main body portion and restricts the rearward movement of the display main body portion in the first state of the display main body portion. Yes.

  In the above vehicle seat, in the first state of the display main body portion, the seat back engages with an engagement portion provided in the display main body portion and restricts rearward movement of the display main body portion. A regulation section is provided. Therefore, for example, when a load is applied to the rear side of the display main body part at least partially exposed to the outside of the storage part while the occupant is holding the hand, the load is sufficiently received by the rear movement restriction part. Can do. Thereby, the load resistance of a display main-body part can be improved.

  In the vehicle seat, the support member may support a slide member that is slidable together with the display main body portion, and the slide member may be provided with a rearward movement restricting portion. In this case, the structure for restricting the movement of the display main body to the rear side and receiving the load on the display main body becomes simple. Thereby, the load resistance of the display main body can be improved with a simple structure.

  The seat back is provided with a forward movement restricting portion that engages with the engaging portion of the display main body portion and restricts the movement of the display main body portion toward the front side in the first state of the display main body portion. Also good. In this case, for example, when a load is applied to the front side of the display main body part, at least part of which is exposed to the outside of the storage part, with the occupant holding his / her hand, the load is sufficiently applied by the front movement restriction part. Can receive. Thereby, the load resistance of the display main body can be further improved.

  Further, a forward movement restricting portion may be provided in the support portion. In this case, the structure for restricting the forward movement of the display body and receiving the load on the display body is simplified. Thereby, the load resistance of the display main body can be improved with a simple structure.

  Further, the forward movement restricting portion is configured to restrict the sliding movement of the display main body portion downward by contacting the engaging portion of the display main body portion in the vertical direction in the first state of the display main body portion. May be. In this case, for example, when a load is applied to the display main body part at least partially exposed to the outside of the storage part in the state where the occupant puts his / her hand on the lower side, the load is sufficiently applied by the forward movement restricting part. Can receive. Thereby, the load resistance of the display main body can be further improved.

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. It is explanatory drawing which shows the storage state of the display main-body part in other embodiment.

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 that supports the head of the occupant (a forward movement restricting portion in the second state, see FIGS. 7 and 8 to be described later).

  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 has a pair of back 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 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 (forward movement restricting portion in the first state) 41 is pinned to the lower end portion of the rear surface of the base plate 4. A second stopper (backward movement restricting portion in the second state) 42 is pinned to the upper end portion 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 (slide member) 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. At the center of the slide plate 5, claw portions are formed so as to be bent backward (backward movement restricting portion in the first state, forward movement restricting portion in the second state, seatback side forward movement restricting portion. ) 51 is provided.

  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 protrusion 66 and a second protrusion (engagement portion) 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, the seat back 13 engages with the second projecting portion 67 provided on the display main body 6 in the retracted state of the display main body 6 and is behind the display main body 6. A claw portion 51 of the slide plate 5 that restricts the movement to the side is provided. For this reason, for example, when a load is applied to the display main body 6 partially exposed to the outside of the storage unit 23 in the state where the occupant holds the hand, the load is applied to the claw portion 51 of the slide plate 5. Can receive enough. Thereby, the load resistance of the display main-body part 6 can be improved.

  The base plate 4 supports a slide plate 5 that is slidable together with the display body 6, and the slide plate 5 is provided with a claw portion 51. In this case, the structure for restricting the movement of the display body 6 to the rear side and receiving the load on the display body 6 is simplified. Thereby, the load resistance of the display body 6 can be improved with a simple structure.

  Further, the seat back 13 engages with the second projecting portion 67 of the display main body portion 6 to restrict the forward movement of the display main body portion 6 when the display main body portion 6 is retracted. 1 stopper 41 is provided. Therefore, for example, when a load is applied to the front side of the display main body 6 partly exposed to the outside of the storage unit 23 while the occupant is holding the hand, the load is applied to the first stopper 41 of the base plate 4. Can receive enough. Thereby, the load resistance of the display main-body part 6 can further be improved.

  The base plate 4 is provided with a first stopper 41. Therefore, the structure which receives the load with respect to the display main-body part 6 by restricting the movement to the front side of the display main-body part 6 becomes simple. Thereby, the load resistance of the display body 6 can be improved with a simple structure.

  Further, the first stopper 41 of the base plate 4 is in sliding contact with the second projecting portion 67 of the display main body 6 in the vertical direction in the retracted state of the display main body 6 and slides downward on the display main body 6. Is configured to regulate. Therefore, for example, when a load is applied to the display main body part 6 partially exposed to the outside of the storage part 23 in a state where the occupant holds the hand, the load is applied to the first stopper 41 of the base plate 4. Can receive enough. Thereby, the load resistance of the display main-body part 6 can further be improved.

  Further, in the vehicle seat 1 of the present embodiment, the seat back 13 is engaged with the first protrusion 66 of the display main body 6 and the rear side of the display main body 6 when the display main body 6 is in use. A second stopper 42 of the base plate 4 that restricts the movement to is provided. Therefore, for example, when a load is applied to the display main body 6 exposed to the outside of the storage unit 23 on the rear side with the occupant holding the hand, the load is sufficiently applied by the second stopper 42 of the base plate 4. Can receive. Thereby, the load resistance of the display main-body part 6 can be improved.

  The base plate 4 is provided with a second stopper 42. Therefore, the structure which receives the load with respect to the display main-body part 6 by restrict | limiting the movement to the back side of the display main-body part 6 becomes simple. Thereby, the load resistance of the display body 6 can be improved with a simple structure.

  Further, the display main body 6 slides upward from the retracted state, so that the first protrusion 66 is engaged with the second stopper 42 of the base plate 4, and the first protrusion 66 is further of the base plate 4. In a state in which it is engaged with the second stopper 42, it is configured to be in use by being inclined forward. Accordingly, the second stopper 42 of the base plate 4 can be provided with a tilt function for tilting the display body 6 in addition to the function of receiving a load on the display body 6.

  Further, the vehicular seat 1 further includes a headrest 14 and a claw portion 51 of the slide plate 5 that come into contact with the display main body 6 and restrict the movement of the display main body 6 toward the front side when the display main body 6 is in use. I have. Therefore, for example, when a load is applied to the front side of the display main body 6 exposed to the outside of the storage unit 23 with a hand held by an occupant, the load is applied to the headrest 14 and the claw portion 51 of the slide plate 5. Can receive enough. Thereby, the load resistance of the display main-body part 6 can further be improved.

  Further, the display main body 6 is configured to contact the headrest 14 before the claw portion 51 of the slide plate 5 when the display main body 6 is moved backward in the use state. Therefore, the load on the display main body 6 can be received first by the headrest 14 having excellent shock absorption. Thereby, the load resistance of the display main-body part 6 can further be improved.

  Further, the claw portion 51 of the slide plate 5 engages with the first projecting portion 66 of the display main body portion 6 to restrict the forward movement of the display main body portion 6 when the display main body portion 6 is in use. It is configured. Therefore, the load on the display main body 6 can be sufficiently received by the claw portion 51 of the slide plate 5.

  The base plate 4 supports a slide plate 5 that is slidable together with the display body 6, and the slide plate 5 is provided with a claw portion 51. Therefore, the structure which receives the load with respect to the display main-body part 6 by restricting the movement to the front side of the display main-body part 6 becomes simple. Thereby, the load resistance of the display body 6 can be improved with a simple structure.

(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-described embodiment, the first state of the vehicle seat of the present disclosure is the storage state and the second state is the use state. However, the second state is that the display main body is more than the first state. A state other than the use state may be used as long as it is located above and exposed to the outside of the storage unit rather than the first state.

  (3) In the above embodiment, the rearward movement restricting portion in the first state (retracted state) is the claw portion 51 of the slide plate 5, but may be another member provided on the seat back 13, for example. Good.

  (4) In the above embodiment, in the first state (stored state), the second protrusion 67 of the display body 6 and the first stopper 41 of the base plate 4 are engaged with each other in front of the display body 6. For example, as shown in FIG. 9, a lower projecting portion 671 projecting downward from the second projecting portion 67 of the display body 6 is provided, and the lower projecting portion 671 and the base plate 4 are The first stopper 41 may be engaged to restrict the forward movement of the display body 6.

  (5) In the above embodiment, the rearward movement restricting portion in the second state (use state) is the second stopper 42 of the base plate 4 provided on the seatback 13, but is provided on the seatback 13, for example. Other members may be used.

  (6) In the above embodiment, the forward movement restricting portion in the second state (use state) is the headrest 14 and the claw portion 51 of the slide plate 5, but for example, only one of them may be used, Other members may be used.

  (7) 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), 5 ... Slide plate (slide member), 6 ... Display main-body part (display main-body part), 13 ... Seat back, 23 ... Storage part, 41 ... 1st stopper (forward movement restricting part), 51 ... Claw part (backward movement restricting part), 67 ... 2nd protrusion part (engaging part)

Claims (5)

A vehicle seat,
A seat back that supports the back of the occupant;
A display main body that is slidably arranged on the rear side of the seat back and can display an image;
A support part provided on the seat back and supporting the display main body part so as to be slidable;
A storage unit provided in the seat back for storing the display main body unit;
The display main body is slid in the vertical direction so that the first state stored most in the storage unit is located above the first state, and the storage is higher than the first state. A second state exposed to the outside of the unit, and is configured to be switchable, and in the first state, at least a part of the second state is exposed to the outside of the storage unit,
In the first state of the display main body portion, the seat back engages with an engagement portion provided in the display main body portion and restricts rearward movement of the display main body portion. A vehicle seat provided with a section.   The vehicle seat according to claim 1, wherein a slide member that is slidable together with the display main body portion is supported by the support portion, and the rear movement restriction portion is provided on the slide member.   The seat back includes a forward movement restricting portion that engages with the engaging portion of the display main body portion and restricts the movement of the display main body portion toward the front side in the first state of the display main body portion. The vehicle seat according to claim 1, wherein the vehicle seat is provided.   The vehicle seat according to claim 3, wherein the support portion is provided with the forward movement restricting portion.   The forward movement restricting portion is configured to abut against the engaging portion of the display main body portion in the vertical direction in the first state of the display main body portion so as to restrict the downward movement of the display main body portion. The vehicle seat according to claim 3 or 4, wherein the vehicle seat is configured as follows.