JP2009090917A - Vehicular seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular seat capable of storing a display in a head rest with sufficient appearance. <P>SOLUTION: The head rest 30 is constituted by a base member 40 for forming its outline; a pad 50 for embracing the base member 40 and supporting a head part of an occupant sitting on a seat cushion; left and right stays 60, 62 for assembling the base member 40 to a seat back 20; and the display 70 assembled so as to be bridged relative to the left and right stays 60, 62. The base member 40 is liftably assembled relative to the left and right stays 60, 62, and at the inside of the base member 40, a storage space 44 capable of storing the display 70 through an opening 43 formed on its lower surface is formed. When the base member 40 is lifted relative to the left and right stays 60, 62 with the pad 50, the display 70 stored in the storage space 44 is transferred from the storage state to the state visually recognizable from a back surface side of the seat back 20. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a vehicle seat, and more particularly, to a vehicle seat that includes a seat cushion, a seat back, and a headrest, and that allows a display mounted on the headrest to be viewed from the back side of the seat back.

As this type of vehicle seat, for example, the technique disclosed in Patent Document 1 is already known. In this technique, a vehicle seat includes a seat cushion, a seat back, and a headrest, and the headrest is provided with a display that is visible from the back side of the seatback. In addition, a storage case for covering the display is assembled on the back side of the headrest so as to be rotatable (openable / closable) via a hinge. Since the storage case is opened only when the display is used in this way, the display can be stored with good appearance. Patent Document 2 discloses a technique for raising and lowering a stay for assembling a headrest to a seat back with respect to the seat back.
Japanese Utility Model Publication No. 6-57251 JP 2000-279260 A

  However, in the vehicle seat disclosed in Patent Document 1 described above, since the storage case is rotatably mounted on the back side of the headrest via a hinge, the storage case and the headrest have a separate structure, and the appearance of the headrest is improved. Had a problem of getting worse.

  The present invention is intended to solve such problems, and an object of the present invention is to provide a vehicle seat that can be stored in a headrest with a good-looking display.

The present invention is for achieving the above object, and is configured as follows.
The invention according to claim 1 is a vehicle seat that includes a seat cushion, a seat back, and a headrest, and is capable of visually recognizing a display mounted on the headrest from the back side of the seat back. A base member that wraps the base member, a pad that supports the head of the occupant seated on the seat cushion, left and right stays that attach the base member to the seat back, and a bridge that bridges the left and right stays The base member is assembled to the left and right stays so that it can be moved up and down, and the base member can be accommodated in the base member through an opening formed on the lower surface. A space is formed, and it is stored when the base member is moved up and down with respect to the left and right stays together with the pad. And wherein the shifting to the visible state display housed from the storage state from the rear side of the seat back between.
According to this configuration, the display housed in the pad (base member) can be taken in and out by moving the base member up and down (moving in the vertical direction) with respect to the left and right stays together with the pad. At this time, since the display is stored in such a manner as to cover the pad of the headrest, a storage case having a separate structure from the headrest is not required when storing the display as described in the prior art. Therefore, the display can be stored in the headrest with good appearance.

The invention according to claim 2 is a vehicle seat that includes a seat cushion, a seat back, and a headrest, and is capable of visually recognizing a display mounted on the headrest from the back side of the seat back. The base member that forms the contour, the pad that supports the head of the occupant seated on the seat cushion and wrapped around the base member, the left and right stays that assemble the base member to the seat back, and can be raised and lowered relative to the left and right stays The left and right stays are assembled so that they can be raised and lowered with respect to the seat back, and the base member has a display through an opening formed on its lower surface. Storage space is formed, and the display is stored in the storage space of the base member. The left and right stays are pulled up in the state, and the display is pulled down from the storage space of the base member with the pulled-up state maintained, and the display is shifted from the stored state to a state that can be seen from the back side of the seat back. To do.
According to this configuration, since the display is stored inside the headrest (base member), as described in the prior art, a storage case separate from the headrest is not required when storing the display. . Therefore, similarly to the first aspect of the invention, the display can be stored in the headrest with good appearance.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.
(Example 1)
First, Example 1 of the present invention will be described with reference to FIGS. FIG. 1 is an exploded perspective view of a part of the vehicle seat according to the first embodiment when viewed from the back side. FIG. 2 is a perspective view when the disassembled state of FIG. 1 is assembled, and is a perspective view showing a storage state of the display. FIG. 3 is a perspective view when the display is shifted from the storage state shown in FIG. 2 to the visual recognition state. 4 is a cross-sectional view taken along line AA in FIG. 5 is a cross-sectional view taken along line BB in FIG. FIG. 6 is a diagram illustrating a state in which the engagement is released in FIG. 5. 7 is a cross-sectional view taken along the line CC of FIG.

  First, the overall configuration of the vehicle seat according to the first embodiment will be described with reference to FIG. The vehicle seat is, for example, a passenger seat of a vehicle, a seat cushion (not shown) that is a seating portion, a seat back 20 that is a backrest that can tilt with respect to the seat cushion, and an occupant seated on the seat cushion And a headrest 30 for supporting the head. Below, the component members (seat back 20, headrest 30) excluding the seat cushion among these component members (seat cushion, seat back 20, headrest 30) will be described individually. Note that the seat cushion is not the main configuration of the present invention, and may be a known one, and a detailed description thereof is omitted.

  First, the seat back 20 will be described. The seat back 20 has left and right supports 21 and 22 assembled on the upper surface thereof. The headrest 30 can be assembled to an upper position of the seat back 20 by inserting and fixing lower ends of left and right stays 60 and 62 of the headrest 30 to be described later into the insertion ports 21a and 22a of the left and right supports 21 and 22, respectively. .

  Next, the headrest 30 will be described. The headrest 30 includes a base member 40 that forms an outline thereof, a pad 50 that wraps the base member 40 and supports the head of an occupant seated on a seat cushion, and left and right stays 60 and 62 that assemble the base member 50 to a seat back. And a display 70 assembled so as to bridge the left and right stays 60 and 62. Below, each of these structural members 40, 50, 60, 62, and 70 are demonstrated separately.

  The base member 40 is composed of a case-like member having an opening 43 formed on the lower surface thereof. Inside the base member 40, a storage space 44 that can store a display 70 to be described later is formed through the opening 43. Guides 41 and 42 are respectively formed on the left and right sides of the base member 40. Both inner surfaces of the left and right guides 41 and 42 are vertically arranged on both outer peripheral surfaces of left and right curved portions 72a and 72b of the display 70 described later. Can be slid. Note that the base member 40 is integrally formed of, for example, a synthetic resin.

  The pad 50 is a cushion member formed so as to wrap the base member 40 by foaming. An opening 51 is also formed on the lower surface of the pad 50 so that the opening 43 formed in the base member 40 is maintained. Therefore, the storage space 44 of the base member 40 is in a state where it can communicate with the outside of the pad 50 through the opening 43 (51) even when it is wrapped in the pad 50.

  The left and right stays 60 and 62 are rod-shaped members arranged in parallel. A display 70 is fixed to the left and right stays 60 and 62. The display 70 includes a monitor 71 that displays various images that can be viewed from the back side of the seat back 20 and a frame 72 that supports the monitor 71, and the left and right curved portions 72 a and 72 b of the frame 72. The inner peripheral surface is fixed so as to sandwich the outer peripheral surfaces of the left and right stays 60 and 62. In addition, locking grooves 60a and 60b that can engage an inner edge 83a of a lock plate 83, which will be described later, are formed above and below the outer peripheral surface of the left stay 60 among the left and right stays 60 and 62, respectively.

  Both the outer peripheral surfaces of the left and right curved portions 72a and 72b of the frame body 72 are slidable in the vertical direction with respect to both inner surfaces of the left and right guides 41 and 42 of the base member 40, as described above. Thereby, the display 70 can be taken in and out of the storage space 44 of the base member 40. That is, the state in which the display 70 is stored in the storage space 44 of the base member 40 (the state shown in FIG. 2 and hereinafter referred to as “the storage state of the display 70”) and the monitor 71 of the display 70 are seatbacked. The display 70 is recognizable from the back side of the display 20, and the display 70 is moved back and forth between the state in which the display 70 can be used (the state shown in FIG. 3 and hereinafter referred to as the “viewing state of the display 70”). Can be made.

  Further, the headrest 30 is provided with a stopper device 80 that holds the display 70 in the housed state and the visually recognized state. As shown in FIG. 4, the stopper device 80 includes a lock plate 83 having a substantially U-shape having a shaft 82 into which a compression spring 81 is inserted, and a knob 84 assembled integrally with the lock plate 83. It is configured. Then, by engaging the inner edge 83a of the lock plate 83 with the upper and lower locking grooves 60a, 60b of the left stay 60, the display 70 can be held in the housed state and the visually recognized state. In addition, this stopper apparatus 80 is a well-known technique, for example, is a stopper apparatus disclosed by patent document 2. FIG.

  Next, the operation of the vehicle seat having the above-described configuration will be described. First, the case where the display 70 is shifted from the storage state (the state shown in FIG. 2) to the visual recognition state (the state shown in FIG. 3) will be described. First, the knob 84 is pushed in in the stored state. Then, the shaft 82 of the lock plate 83 is pushed into the through hole 45 of the base member 40. Thereby, the inner edge 83a of the lock plate 83 is disengaged (state shown in FIG. 6) from the state engaged with the locking groove 60b of the left stay 60 (state shown in FIG. 5). It becomes. At this time, when the lock plate 83 is pushed, the compression spring 81 is bent.

  Next, the pad 50 is moved upward in the disengaged state. Then, the base member 40 is moved upward together with the pad 50, whereby the inner edge 83 a of the lock plate 83 is engaged with the locking groove 60 a of the left stay 60 by the restoring force of the compression spring 81 (see FIG. 7). In this way, the display 70 is shifted from the storage state to the visual recognition state, and the transferred display 70 is held (the state shown in FIG. 3).

  Next, a case where the display 70 that has been shifted to the visual recognition state is returned to the storage state will be described. First, the pad 50 is moved downward in the visual recognition state. Then, the base member 40 is moved downward together with the pad 50, whereby the engagement state between the inner edge 83a of the lock plate 83 and the locking groove 60a of the left stay 60 is released. When the base member 40 is further moved downward together with the pad 50 in this released state, the inner edge 83a of the lock plate 83 is engaged with the locking groove 60b of the left stay 60 (FIG. 5). State). In this way, the display 70 is returned from the visual recognition state to the storage state, and the display 70 is held in the storage state (the state shown in FIG. 5).

  The vehicle seat according to the first embodiment of the present invention is configured as described above. According to this configuration, the base member 40 is moved up and down (moved in the vertical direction) with respect to the left and right stays 60 and 62 together with the pad 50, whereby the display 70 accommodated in the pad 50 (base member 40) is moved. Can be put in and out. At this time, since the display 70 is stored in such a manner as to cover the pad 50 of the headrest 30, as described in the prior art, a storage case having a separate structure from the headrest may be required when storing the display. Absent. Therefore, the display can be stored in the headrest with good appearance.

(Example 2)
Next, Example 2 of the present invention will be described with reference to FIGS. FIG. 8 is a perspective view of a part of the vehicle seat according to the second embodiment as seen from the rear side, and shows a storage state of the display when the pad of the headrest is in the lower position. FIG. 9 shows the storage state of the display when the headrest pad is moved upward from the state of FIG. FIG. 10 is a perspective view when the display is shifted from the storage state shown in FIG. 9 to the visual recognition state.

  Compared with Example 1 already described, Example 2 is different in structure when the display 70 is shifted from the housed state to the visually recognized state. That is, in the first embodiment, the structure in which the display 70 is shifted from the housed state to the visually recognized state by moving the pad 50 side up and down has been described. On the other hand, in the second embodiment described below, the display 70 is shifted from the housed state to the visually recognized state by raising and lowering the display 70 side. In the following description, members having the same or equivalent configuration as in the first embodiment are denoted by the same reference numerals in the drawings, and redundant description is omitted.

  First, the overall configuration of the vehicle seat according to the second embodiment will be described with reference to FIG. Similar to the vehicle seat of the first embodiment, the vehicle seat includes a seat cushion, a seat back 20, and a headrest 130. Similarly to the headrest 30 of the first embodiment, the headrest 130 of the second embodiment includes a base member 40, a pad 50, left and right stays 60 and 62, and a display 70.

  However, the left and right stays 60 and 62 of the headrest 130 of the second embodiment are assembled to the seat back 20 so as to be movable up and down, as disclosed in Patent Document 2. When the left and right stays 60, 62 are lifted so that the pad 50 is in the upper position by this lifting, the left and right stays 60, 62 are held by a holding mechanism (not shown) in this lifted state. Yes.

  The display 70 of the headrest 130 according to the second embodiment is assembled so as to be movable in the vertical direction along the left and right stays 60 and 62 when the left and right stays 60 and 62 are held in the raised state. At this time, when the display 70 is moved upward, the display 70 is housed in the pad 50 (base member 40) (stored state), as in the first embodiment. When the display 70 is moved downward, the display 70 is pulled out from the inside of the pad 50 (base member 40) and becomes in a usable state (viewing state).

  The headrest 130 according to the second embodiment is provided with a stopper device 180 that holds the display 70 described above in the housed state and the visually recognized state. The stopper device 180 is configured similarly to the stopper device 80 of the first embodiment, and has a substantially U-shaped lock plate (not shown) having a shaft (not shown) into which a compression spring (not shown) is inserted. Not) and a knob 184 assembled integrally with the lock plate. Then, by engaging the inner edge (not shown) of the lock plate with the upper and lower engaging grooves (not shown) of the left curved portion 72a of the display 70, the visual recognition state and the storage state can be maintained.

  Next, the operation of the vehicle seat having the above-described configuration will be described. First, a case will be described in which the display 70 is moved from the storage state (the state shown in FIG. 8) to the visual recognition state (the state shown in FIG. 10) when the pad 50 is in the lower position. First, in a state where the pad 50 is in the lower position, the pad 50 is moved and held together with the left and right stays 60 and 62 (see FIG. 9).

  Then, in this holding state, the knob 184 is pushed in. Then, as in the first embodiment, the engagement between the inner edge of the lock plate and the lower locking groove on the display 70 is released. In this disengaged state, the display 70 is moved downward. Then, similarly to the first embodiment, the inner edge of the lock plate is engaged with the upper locking groove of the display 70 by the restoring force of the compression spring. In this way, the display 70 is shifted from the storage state to the visual recognition state, and the transferred display 70 is held (the state shown in FIG. 10).

  Next, a case where the display 70 that has been shifted to the visual recognition state is returned to the storage state will be described. First, the display 70 is moved upward in the visual recognition state. Then, as in the first embodiment, the engagement between the inner edge of the lock plate and the upper locking groove of the display 70 is released. When the display 70 is further moved upward in this released state, the inner edge of the lock plate is engaged with the lower locking groove of the display 70 as in the first embodiment.

  In this engaged state, the pad 50 is moved downward together with the left and right stays 60 and 62 and held (see FIG. 8). In this way, the display 70 is returned from the visual recognition state to the storage state, and the display 70 is held in the storage state.

  The vehicle seat according to the second embodiment of the present invention is configured as described above. According to this configuration, since the display 70 is housed inside the headrest 130 (base member 40), as described in the prior art, a housing case having a separate structure from the headrest is required when housing the display. There is nothing. Therefore, like the first embodiment, the display can be stored in the headrest with good appearance.

FIG. 1 is an exploded perspective view of a part of the vehicle seat according to the first embodiment when viewed from the back side. FIG. 2 is a perspective view when the disassembled state of FIG. 1 is assembled, and is a perspective view showing a storage state of the display. FIG. 3 is a perspective view when the display is shifted from the storage state shown in FIG. 2 to the visual recognition state. 4 is a cross-sectional view taken along line AA in FIG. 5 is a cross-sectional view taken along line BB in FIG. FIG. 6 is a diagram illustrating a state in which the engagement is released in FIG. 5. 7 is a cross-sectional view taken along the line CC of FIG. FIG. 8 is a perspective view of a part of the vehicle seat according to the second embodiment as seen from the back side, and shows a storage state of the display when the headrest pad is in the lower position. FIG. 9 shows the storage state of the display when the headrest pad is moved upward from the state of FIG. FIG. 10 is a perspective view when the display is shifted from the storage state shown in FIG. 9 to the visual recognition state.

Explanation of symbols

20 Seat back 30 Headrest (Example 1)
40 Base member 43 Opening 44 Storage space 50 Pad 60 Left stay 62 Right stay 70 Display 130 Headrest (Example 2)

Claims (2)

A vehicle seat that includes a seat cushion, a seat back, and a headrest, and is capable of visually recognizing a display mounted on the headrest from the back side of the seat back,
The headrest is
A base member forming the contour;
A pad that wraps the base member and supports the head of an occupant seated on the seat cushion;
The left and right stays that assemble the base member to the seat back,
It consists of a display assembled to bridge these left and right stays,
The base member is assembled so as to be movable up and down with respect to the left and right stays, and a storage space in which the display can be stored is formed inside the base member through an opening formed on the lower surface thereof.
A vehicle seat characterized in that when the base member is moved up and down with respect to the left and right stays together with the pad, the display housed in the housing space is shifted from the housed state to a state visible from the back side of the seat back. A vehicle seat that includes a seat cushion, a seat back, and a headrest, and is capable of visually recognizing a display mounted on the headrest from the back side of the seat back,
The headrest is
A base member forming the contour;
A pad that wraps the base member and supports the head of an occupant seated on the seat cushion;
The left and right stays that assemble the base member to the seat back,
It is composed of a display assembled in such a way that it bridges up and down to the left and right stays,
The left and right stays are assembled so that they can be raised and lowered relative to the seat back.
A storage space capable of storing a display is formed inside the base member through an opening formed in the lower surface thereof.
The left and right stays are pulled up while the display is stored in the storage space of the base member, and the display is pulled down from the storage space of the base member while the lifted state is maintained, and the display is viewed from the back side of the seat back from the storage state. A vehicle seat characterized by being shifted to a possible state.

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