JP2019085022A - Vehicular seat - Google Patents

Abstract

To allow for easy formation arrangement of a vehicular seat.SOLUTION: A seat 1 with a seat back 2 and a seat cushion 3 includes a switching mechanism 1A for changing the whole width W of the seat back 2 and the whole width W of the seat cushion 3 individually by rotating a division part 2B of the seat back 2 and a division part 3B of the seat cushion 3 individually in horizontal and vertical directions about an axis in a direction crossing with each of top plate surfaces 2S, 3S.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle seat. More particularly, the present invention relates to a vehicle seat provided with a seat back and a seat cushion.

  Conventionally, in a seat such as a sofa, there is known one configured such that the form of the seat can be arranged by removing some of the components and reassembling the seat into a different form (Patent Document 1).

Utility model registration 3206400 gazette

  In the above-mentioned prior art, since the components of the seat are completely separated and reassembled into a different form, it takes time to reassemble. The present invention has been made as a solution to the above-mentioned problems, and the problem to be solved by the present invention is to make it possible to simplify the configuration of the vehicle seat.

  In order to solve the above-mentioned subject, the vehicle seat of the present invention takes the following measures.

  A first invention is a vehicle seat provided with a seat back and a seat cushion, and an axis in a direction in which at least a portion of the seat back and at least a portion of the seat cushion individually intersect each top plate surface. It has a switching mechanism which is rotated around in the longitudinal and lateral directions to individually change the overall width of the seat back and the overall width of the seat cushion.

  According to the first aspect of the present invention, it is possible to simply carry out an arrangement of changing the entire width of the seatback by simply rotating at least a part of the seatback and at least a part of the seat cushion.

  The second invention has the following configuration in the first invention described above. The switching mechanism is axially connected in such a manner that the divided parts separately formed on the seat back and the seat cushion can be switched to the form in which the divided parts are vertically aligned with the respective body parts by rotation and the horizontally aligned form. ing.

  According to the second aspect of the present invention, the overall width can be easily changed by a compact rotation operation of rotating the divided parts separately formed on the seat back and the seat cushion with respect to the main body parts.

  The third invention is the following configuration in the first or second invention described above. The vehicle seat further has a storage mechanism capable of sinking the seat cushion downward in a form of advancing the seat back.

  According to the third aspect of the present invention, if the seat back and the seat cushion are sunk in the longitudinal direction with the entire width narrowed, the luggage compartment can be extended longitudinally toward the front side, and the entire width is increased. If the sink is sunk in the extended horizontal direction, the loading space can be extended laterally toward the front side, and the extended form of the loading space can be arranged.

  According to a fourth invention, in any one of the first to third inventions described above, the following configuration is adopted. The vehicle seat further has a lateral slide mechanism that allows the seat cushion to slide laterally with respect to the vehicle body with the seat back.

  According to the fourth aspect of the invention, in addition to the arrangement in which the entire width of the vehicle seat can be changed, the arrangement in which the lateral position of the vehicle seat can be changed can also be performed.

FIG. 1 is a perspective view showing a schematic configuration of a vehicle seat of Example 1; It is a perspective view showing the state where the sheet for vehicles was changed to landscape orientation. FIG. 6 is a perspective view showing a state in which the vehicle seat is sunk into the storage position in a portrait orientation. FIG. 6 is a perspective view showing a state in which the vehicle seat is sunk into the storage position in a landscape orientation. It is a perspective view showing the state where the vehicle seat was slid horizontally in the portrait orientation.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<< About schematic structure of sheet 1 >>
First, the configuration of the seat 1 (seat for a vehicle) according to the first embodiment will be described with reference to FIGS. 1 to 5. In addition, in the following description, when showing each direction, such as front and rear, upper and lower, right and left, shall point out each direction shown in each figure. Moreover, when showing as "the sheet | seat width direction", the left-right direction of the sheet | seat 1 shall be pointed out.

  As shown in FIG. 1, the seat 1 of the present embodiment is configured as a rear seat of an automobile, and includes a seat back 2 serving as a backrest portion of a seated occupant and a seat cushion 3 serving as a seating portion. It is considered to be Only one seat 1 described above is disposed in a narrow space on the cargo floor floor LF (vehicle body) sandwiched between the two tire houses TH on the rear side of the vehicle. However, the seat 1 described above switches the seat back 2 and the seat cushion 3 described above by rotation to the vertically long directions P1 and Q1 as shown in FIG. 1 and the horizontally long directions P2 and Q2 as shown in FIG. It is set as the structure provided with the switching mechanism 1A which can be used.

  According to the above-described configuration, the seat 1 is in the case of the body of a seated occupant having a large physique by setting the above-described seat back 2 and the seat cushion 3 to the states of longitudinal directions P1 and Q1 shown in FIG. Also, in the form of having a wide empty space in the seat width direction, the occupant's body can be seated in a form that can be widely supported. Moreover, the seat 1 mentioned above expands the whole width W in the sheet width direction by switching the seat back 2 and the seat cushion 3 mentioned above to the state of the landscape orientations P2 and Q2 shown in FIG. 2 respectively. It is possible to switch to a state where two occupants can be seated in the same row.

  Also, the seat 1 described above is a seatback 2 as shown in FIGS. 3 and 4 from the state where the seatback 2 and the seat cushion 3 described above are in the use usable position shown in FIGS. 1 and 2. It is equipped with a dive-in mechanism 1B that can be folded on the upper surface of the cushion 3 and sunk to the storage position on the cabin floor BF located at a position where the whole is lowered to the front lower side of the luggage floor floor LF. ing. Here, the above-described dive-in mechanism 1B corresponds to the "storage mechanism" of the present invention.

  Specifically, the above-described dive-in mechanism 1B is configured as shown in FIG. 1 and FIG. 1 by the operation of a link mechanism (not shown) provided between a body part 3A of the seat cushion 3 described later and the cabin floor BF. It can be operated so as to sink to the front side from the use position on the cargo space floor LF shown in FIG. 2 to the storage position on the vehicle space floor BF shown in FIGS. 3 and 4. Therefore, as shown in FIG. 3 and FIG. 4, the seat back 2 is folded on the upper surface portion of the seat cushion 3 and the whole is sunk on the cabin floor BF by the operation of the dive-in mechanism 1B. By inserting it, the back of the folded seat back 2 can be switched to a state in which the loading space is enlarged, in which the back surface of the folded back 2 is substantially flush with the loading space floor surface LF.

  At that time, as shown in FIG. 3, the seat 1 described above has the cargo compartment floor LF by the dive-in mechanism 1B as shown in FIG. 3 from the state in which the seatback 2 and the seat cushion 3 described above are set to the vertically oriented P1 and Q1 shown in FIG. By being sunk in a flush shape, the cargo room floor surface LF can be switched to a form capable of widening in a partially longitudinal direction toward the front side. Further, as shown in FIG. 4, the seat 1 is flush with the cargo floor surface LF by the dive-in mechanism 1B as shown in FIG. 4 from the state in which the seatback 2 and the seat cushion 3 described above are set to the horizontally long orientations P2 and Q2 shown in FIG. By being sunk in a shape, the cargo room floor LF can be switched to a form capable of widening in an oblong manner toward the front side. The specific configuration of the above-described dive-in mechanism 1B is the same as the known configuration disclosed in the document such as JP-A-2017-01934, and thus the detailed description will be omitted.

  Moreover, as shown in FIG. 5, the seat 1 mentioned above is a sheet along the loading space floor surface LF as a whole from the state where the seat back 2 and the seat cushion 3 mentioned above are respectively made into the longitudinally long directions P1 and Q1. There is also provided a lateral slide mechanism 1C which can be slid in the width direction to adjust the position. By the above-mentioned lateral slide, the seat 1 is moved to a central position where its seating position can form a wide empty space between the two tire houses TH, or it is brought close to one side and back to another empty space. It is possible to arrange things such as putting high luggage. The specific configuration of the above-described lateral slide mechanism 1C is the same as the known configuration disclosed in the document such as Japanese Patent Application Laid-Open No. 2013-129279, and thus detailed description will be omitted. .

  Specifically, as shown in FIGS. 1 and 2, the switching mechanism 1A that enables the sheet 1 to be switched in the vertical and horizontal directions is formed by dividing the seat back 2 into the main body part 2A and the divided parts 2B. A configuration in which the seat cushion 3 is rotatably connected to each other by the hinge pin 2C, and a configuration in which the seat cushion 3 is similarly divided into the main body part 3A and the divided parts 3B and is mutually rotatably coupled by the hinge pin 3C; It consists of The main body part 2A and the divided parts 2B of the seat back 2 described above are formed in a substantially square shape in which the vertical width and the horizontal width of each are substantially the same. Further, both of the body part 3A and the divided part 3B of the seat cushion 3 described above are formed in a substantially square shape in which the vertical width and the horizontal width of each are substantially the same.

  The main body part 2A of the seat back 2 described above is a portion for supporting the waist of the occupant from the rear side when the seat back 2 is in the vertically oriented direction P1 as shown in FIG. Further, the divided parts 2B of the seat back 2 are positioned above the above-mentioned main body parts 2A when the seat back 2 is in the vertically oriented direction P1, and the body part protruding upward from the main body parts 2A of the occupant is It is a part to support from the side.

  Lower end portions of left and right sides of the main body part 2A of the seat back 2 are connected to rear end portions of left and right sides of the main body part 3A of the seat cushion 3. As shown in FIGS. 3 to 4, the main body part 2A of the seatback 2 is used as a backrest standing up from the main body part 3A of the seat cushion 3 as shown in FIGS. The seat cushion 3 is configured to be able to rotate up and down between a forwardly folded position folded on the upper surface portion of the main body part 3A of the seat cushion 3.

  In addition, as shown in FIG. 1, the divided parts 2B of the seatback 2 described above are relative to the upper left corner of the main body part 2A of the seatback 2 described above by the hinge pin 2C at the lower left corner thereof. It is connected in the form which becomes rotatable. By the connection, the divided parts 2B are brought forward together with the main body parts 2A by the main body parts 2A of the seatback 2 being brought forward as shown in FIGS.

  The hinge pin 2C connecting the divided parts 2B of the seat back 2 and the main body part 2A described above, as shown in FIGS. 1 to 2, has the top plate surface 2S flush with each other with respect to the main part 2A. In order to be able to switch the direction of arranging in the vertical and horizontal directions while keeping the shape of the shape, the axis is directed in the direction (front and back direction) perpendicular to the top plate surface 2S, and both are connected. . With the above-described configuration, the divided parts 2B of the seatback 2 are arranged such that the top plate surfaces 2S are arranged flush with each other on the upper side of the main body part 2A as shown in FIG. It can be switched to a portrait orientation P1), or can be switched to a form (horizontal orientation P2) in which the top plate surfaces 2S of each other are aligned on the left side of the main body part 2A as shown in FIG. There is.

  Further, as shown in FIG. 1, the main body part 3A of the seat cushion 3 is a portion for supporting the buttocks of the occupant from the lower side when the seat cushion 3 is in the vertically oriented direction Q1. Further, the divided part 3B of the seat cushion 3 is positioned on the front side of the above-mentioned main body part 3A when the seat cushion 3 is set to the vertically long direction Q1, and the thighs protruding to the front side from the main body part 3A of the occupant It is a part to support from the lower side.

  The main body part 3A of the seat cushion 3 described above is connected to the vehicle compartment floor surface BF and the loading chamber floor surface LF by the dive-in mechanism 1B and the lateral slide mechanism 1C described above. By the above-mentioned connection, the main body part 3A of the seat cushion 3 is from the use position on the loading space floor LF shown in FIGS. 1 to 2 by the above-mentioned dive-in mechanism 1B on the casing floor BF shown in FIGS. It can be sunk into the storage position, or can be positionally adjusted by sliding in the sheet width direction on the cargo space floor surface LF as shown in FIG. 5 by the above-described lateral slide mechanism 1C.

  In addition, as shown in FIG. 1, with respect to the front left corner of the main body part 3A of the seat cushion 3 described above, the left rear corner of the divided part 3B of the seat cushion 3 described above is hinge pin 3C. It is connected in a form that allows relative rotation. By the connection, the divided parts 3B are dropped into the storage position as the main body part 3A of the seat cushion 3 as described above in FIGS. 3 to 4 or slide in the sheet width direction as described above in FIG. Along with the movement, it is moved together with the body part 3A.

  The hinge pin 3C connecting the divided part 3B of the seat cushion 3 and the main body part 3A described above, as shown in FIGS. 1 to 2, has the top plate surface 3S flush with the main part 3A with respect to the divided part 3B. In order to be able to switch the direction of vertical and horizontal alignment while keeping the shape of the shape, the axis is directed in the direction (height direction) perpendicular to the top plate surface 3S, and both are connected. There is. With the above-described configuration, the divided parts 3B of the seat cushion 3 are formed so as to arrange the top plate surfaces 3S flush with each other on the front side of the main part 3A as shown in FIG. It can be switched to a portrait orientation Q1), or can be switched to a form (horizontal orientation Q2) in which the top plate surfaces 3S of each other are arranged flush with each other on the left side of the body part 3A as shown in FIG. There is.

Summary
Summarizing the above, the seat 1 of the present embodiment is configured as follows. That is, a vehicle seat (1) comprising a seat back (2) and a seat cushion (3), at least a portion (2B) of the seat back (2) and at least a portion of the seat cushion (3) The whole width (W) of the seat back (2) and the whole width (3) of the seat cushion (3) are individually rotated in the vertical and horizontal directions about the axis in the direction intersecting the respective top plate surfaces (2S, 3S). It has a switching mechanism (1A) which changes W) separately.

  With such a configuration, the entire width of the seatback (2) and the at least a part (3B) of the seat cushion (3) can be simply rotated by the operation of rotating at least a part (2B) W) can be easily arranged in various forms.

  Also, the switching mechanism (1A) rotates the divided parts (2B, 3B) separately formed on the seat back (2) and the seat cushion (3) with respect to the respective body parts (2A, 3A). It is axially connected in such a manner that it can be switched between a form for vertical alignment (P1) and a form for horizontal alignment (P2).

  With such a configuration, the divided parts (2B, 3B) separately formed on the seat back (2) and the seat cushion (3) are rotated relative to the main parts (2A, 3A) The entire width (W) can be easily changed by the compact rotation operation.

  In addition, the vehicle seat (1) further has a storage mechanism (1B) capable of sinking the seat cushion (3) downward in a form in which the seat back (2) is turned forward.

  With such a configuration, if the seat back (2) and the seat cushion (3) are sunk in the longitudinal direction (P1, Q1) in which the entire width (W) is narrowed, the cargo compartment is It can be extended longitudinally toward the front side, and if the entire width (W) is sunk in the horizontal direction (P2, Q2) extended, the loading space can be extended laterally toward the front side It will be possible to arrange the expanded form of the cargo room.

  In addition, the vehicle seat (1) further has a lateral slide mechanism (1C) capable of sliding the seat cushion (3) together with the seat back (2) with respect to the vehicle body (LF).

  With such a configuration, in addition to the arrangement in which the entire width (W) of the vehicle seat (1) can be changed, the arrangement in which the lateral position of the vehicle seat (1) can be changed can also be performed.

  As mentioned above, although embodiment of this invention was described using one Example, this invention can be implemented with various forms other than the said Example. For example, the configuration of the vehicle seat of the present invention can be widely applied to a seat other than a car such as a railway, or a seat provided for various vehicles such as an aircraft and a ship.

  In addition, the switching mechanism is configured to change at least a part of the seatback and at least a part of the seat cushion individually around the axes in the direction intersecting the top board surfaces to change the overall width of each of the seatbacks. The whole of the seat cushion and the whole of the seat cushion may be individually and horizontally rotated to change the overall width of each. Further, in addition to the rotation type in which the seat back and the seat cushion are rotated sideways on the left as shown in the above embodiment, the rotation type in which the seat back and the seat cushion are turned sideways on the right may be used.

  Also, the storage mechanism that operates to sink the seat cushion downward in the form of moving the seat back forward is disclosed in the documents such as Japanese Patent Laid-Open No. 2014-084021 besides the dive-in mechanism as shown in the above embodiment. It may be a tilt down mechanism which operates to sink the seat cushion downward simultaneously with the forward movement of the seat back as described above. Also, the lateral slide mechanism may cause the seat to slide laterally on the cabin floor (vehicle body) rather than on the cargo floor (vehicle body).

1 seat (vehicle seat)
1A Switching mechanism 1B Dive-in mechanism (storage mechanism)
1C Horizontal slide mechanism 2 Seat back 2A Body parts 2B Division parts 2C Hinge pin 2S Top surface 3 Seat cushion 3A Body parts 3B Division parts 3C Hinge pin 3S Top surface P1 Longitudinal orientation P2 Horizontal orientation Q1 Longitudinal orientation Q2 Horizontal orientation W overall width LF cargo floor (vehicle body)
BF Car Floor TH Tire House

Claims (4)

A vehicle seat having a seat back and a seat cushion,
At least a portion of the seat back and at least a portion of the seat cushion are individually rotated in the vertical and horizontal directions about an axis in a direction intersecting each top plate surface to form an overall width of the seat back and an overall width of the seat cushion And a vehicle seat having a switching mechanism for changing individually. A vehicle seat according to claim 1, wherein
The switching mechanism is axially connected in such a manner that the divided parts separately formed on each of the seat back and the seat cushion can be switched between a form in which the divided parts are vertically fitted to the respective body parts by rotation and a form in which they are fitted horizontally. Vehicle seat that has been configured. The vehicle seat according to claim 1 or 2, wherein
Furthermore, the vehicle seat having a storage mechanism capable of sinking the seat cushion downward in a form in which the seat back is turned forward. A vehicle seat according to any one of claims 1 to 3, wherein
Furthermore, a vehicle seat having a lateral slide mechanism capable of sliding the seat cushion with the seat back laterally with respect to the vehicle body.

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