JP2008301880A - Seat device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the operability of a movable part in a seat device provided with the movable part capable of moving centering on a prescribed position and a seat mechanism moved corresponding to the movement of the movable part. <P>SOLUTION: The seat device includes a first movable part 6 capable of moving centering on a first prescribed position 9, a second movable part 7 capable of moving centering on a second prescribed position 10, a first seat mechanism moved according to the movement of the first movable part 6, and a second seat mechanism moved according to the movement of the second movable part 7. The first movable part 6 has a single operation state to move singly without abutting on the second movable part 7 and a linked state to move together with the second movable part 7 by abutting on the second movable part 7. The second movable part 7 has the single operation state to move singly without abutting the first movable part 6 and the linked state to move together with the first movable part 6 by abutting the first movable part 6. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a sheet apparatus.

DESCRIPTION OF RELATED ART Conventionally, the relaxation sheet | seat used for various uses, such as a household chair, a vehicle seat, and a massage seat, is known. In the relaxation seat, a reclining mechanism that tilts the seat back back and forth, a tilt mechanism that moves the front part of the seat cushion up and down, and a footrest (ottoman) that supports the lower leg of the seated person swings back and forth A plurality of seat mechanisms such as a footrest mechanism is provided. For example, Patent Document 1 discloses a reclining structure including guide means for connecting and supporting a rear end portion of a seat cushion to the seat back so that the seat back and the seat cushion are always interlocked.
Japanese Utility Model Publication No.5-1337

  Each of the above-mentioned seat mechanisms generally moves independently according to the movement of each movable part (for example, an operation switch). By the way, there are cases where you want to move multiple seat mechanisms at the same time, such as moving the front part of the seat cushion upward using the tilt mechanism while tilting the seat back backward using the reclining mechanism. Need to be operated individually, and its operability is low.

  The present invention has been made in view of such points, and an object of the present invention is to include a movable part that can move around a predetermined position and a seat mechanism that moves according to the movement of the movable part. An object of the present invention is to provide a technique for improving the operability of a movable part in a seat device.

  According to a first aspect of the present invention, there is provided a first movable part that can move around a first predetermined position, a second movable part that can move around a second predetermined position, and the movement of the first movable part. A seat device including a first sheet mechanism that moves in response to the movement and a second sheet mechanism that moves in accordance with the movement of the second movable part, wherein the first movable part is brought into contact with the second movable part. A single operation state that moves independently, and an interlocking state that contacts the second movable portion and moves together with the second movable portion, and the second movable portion does not contact the first movable portion and is independent. And an interlocking state that moves in contact with the first movable part and moves together with the first movable part.

  As described above, in the first invention, the first movable portion and the second movable portion operate the respective seat mechanisms in accordance with the respective movements, and are brought into contact with each other in a single operation state in which each of the first movable portion and the second movable portion moves independently. It has an interlocking state that interlocks. That is, by moving one movable part, the sheet mechanism of the movable part can be operated alone or in conjunction with another sheet mechanism. Thereby, the operativity of a movable part can be improved.

  In a second aspect based on the first aspect, the first seat mechanism is a reclining mechanism that tilts the seat back back and forth, and the second seat mechanism is configured such that the front portion of the seat cushion is vertically oriented with respect to the rear portion. It is a tilt mechanism to be moved.

  Thereby, in the seat apparatus provided with the reclining mechanism and the tilt mechanism, the effect of the first invention can be exhibited.

  In a third aspect based on the second aspect, the first movable portion is configured to be swingable in a predetermined direction around the first predetermined position, and the reclining mechanism includes the first movable portion described above. When the seatback swings to one side in a predetermined direction, the seat back is configured to tilt backward, and the tilt mechanism is configured so that the first movable portion swings to one side in the predetermined direction and enters the interlocking state. In this case, the front portion of the seat cushion is configured to move upward.

  Thus, in the third invention, when the first movable part swings to one side in the predetermined direction, the reclining mechanism tilts the seat back backward, and the first movable part further swings in the same direction. When in the interlocking state, the tilt mechanism moves the front portion of the seat cushion upward in addition to the reclining mechanism tilting the seat back backward. That is, the front portion of the seat cushion can be moved upward while tilting the seat back backward. Thus, the reclining mechanism and the tilt mechanism can be linked with a certain correlation that does not cause the seated person to take an unreasonable sitting posture by simply moving the first movable portion. Therefore, the operability of the movable portion can be further improved while sufficiently ensuring the comfort of the seated person.

  In a fourth aspect based on the first aspect, the first seat mechanism is a footrest mechanism that swings a footrest portion that supports the lower leg of a seated person seated on the seat in the seat front-rear direction. The two-seat mechanism is a tilt mechanism that moves the front part of the seat cushion in the vertical direction with respect to the rear part.

  Thereby, in the seat apparatus provided with the tilt mechanism and the footrest mechanism, the effect of the first invention can be exhibited.

  In a fifth aspect based on the fourth aspect, the first movable portion is configured to be swingable in a predetermined direction around the first predetermined position, and the footrest mechanism includes the first movable portion. When the footrest swings to one side of the predetermined direction, the footrest portion is configured to swing forward of the seat, and the tilt mechanism is configured such that the first movable portion swings to one side of the predetermined direction. In the interlocked state, the front portion of the seat cushion is configured to move upward.

  Thus, in the fifth aspect, when the first movable portion swings to one side in the predetermined direction, the footrest mechanism swings the footrest portion forward of the seat and the first movable portion is in the same direction. When the footrest mechanism is further swayed, the footrest mechanism swings the footrest portion forward of the seat, and the tilt mechanism further moves the front portion of the seat cushion upward. That is, it is possible to move the front portion of the seat cushion upward while swinging the footrest portion forward of the seat. In this way, the footrest mechanism and the tilt mechanism can be linked with a certain correlation that does not cause the seated person to take an unreasonable sitting posture simply by moving the first movable portion. Therefore, the operability of the movable portion can be further improved while sufficiently ensuring the comfort of the seated person.

  In a sixth aspect based on the third or fifth aspect, the first movable portion has a substantially lever shape, takes a substantially vertical posture when not operated, and the seat longitudinal direction as the predetermined direction. The second movable part is a second operation switch that can swing in the seat longitudinal direction around the second predetermined position, and one side of the predetermined direction is It is characterized by being behind the seat.

  Thus, in the sixth aspect of the invention, the seat back is tilted backward in the single operation state by swinging the substantially lever-shaped first operation switch, which takes a substantially vertical posture when not being operated, to the rear of the seat. Alternatively, the footrest part swings forward of the seat, and the front part of the seat cushion further moves upward in the interlocking state. That is, by tilting the first operation switch to the rear of the seat, the back of the seated person is tilted backward or the lower leg of the seated person is lifted in the single operation state, and the knee of the seated person is further moved upward in the interlocking state. Thus, the direction in which the seated person operates the operation switch and the direction in which the seated person's body moves substantially match, so that the seated person can operate the operation switch without feeling uncomfortable. Thereby, the operativity of an operation switch can be improved significantly.

  According to a seventh invention, in any one of the first to sixth inventions, the second movable part is formed in a concave shape, and the first movable part is formed on an inner surface of the second movable part in the interlocked state. It arrange | positions so that it may contact | abut.

  Thus, in the seventh aspect, the first movable part can be easily brought into contact with the second movable part. Thereby, the 1st and 2nd movable part which each has a single operation state and an interlocking state can be constituted without requiring a complicated device composition.

  An eighth invention according to the first invention further comprises a third movable part capable of moving around a third predetermined position, and a third seat mechanism that moves in accordance with the movement of the third movable part. The single movable state of the second movable part is a state in which the second movable part moves independently without contacting any of the first and third movable parts, and the interlocked state of the second movable part. Is a state in which the second movable part moves together with the first and / or third movable part in contact with and in contact with the first and / or third movable part. 2 It has the single operation state which moves independently without contact | abutting to a movable part, and the interlocking state which contact | abuts to the said 2nd movable part and moves with this 2nd movable part.

  Thus, in the eighth invention, the first and third movable parts move the first and third seat mechanisms in accordance with their movements and move independently without contacting the second movable part. It has a single operation state and an interlocking state in which the second movable portion is brought into contact with the second movable portion. The second movable part operates the second seat mechanism in accordance with the movement of the second movable part, and the single movable state that moves independently without contacting any of the first and third movable parts, and the first and / or And an interlocking state that moves together with the first and / or third movable part that comes into contact with the third movable part. That is, according to the eighth aspect of the invention, by moving any one of the first and third movable parts, the sheet mechanism of the movable part can be operated alone, or the second sheet mechanism can be interlocked. It is also possible. Thereby, the operativity of a movable part can be improved.

  In a ninth aspect based on the eighth aspect, the first seat mechanism is a reclining mechanism that tilts the seat back back and forth, and the second seat mechanism is configured such that the front portion of the seat cushion is vertically directed with respect to the rear portion. It is a tilt mechanism that moves, and the third seat mechanism is a footrest mechanism that swings the footrest portion that supports the lower leg of the seated person seated on the seat in the front-rear direction of the seat.

  Accordingly, the effect of the eighth invention can be exhibited in the seat device including the reclining mechanism, the tilt mechanism, and the footrest mechanism.

  In a tenth aspect based on the ninth aspect, the first movable portion is configured to be swingable in a predetermined direction around the first predetermined position, and the reclining mechanism includes the first movable portion described above. When swinging to one side in a predetermined direction, the seat back is configured to tilt backward, and the third movable portion is configured to be swingable in the predetermined direction around the third predetermined position. The footrest mechanism is configured to swing the footrest portion forward of the seat when the third movable portion swings to one side in the predetermined direction, and the tilt mechanism includes the first or third tilt mechanism. The movable portion is configured to move the front portion of the seat cushion upward when the movable portion swings to one side in the predetermined direction and enters the interlocking state.

  Thus, in the tenth aspect, when the first movable part swings to one side in the predetermined direction, the reclining mechanism tilts the seat back backward, and the first movable part further swings in the same direction. When in the interlocking state, the tilt mechanism moves the front portion of the seat cushion upward in addition to the reclining mechanism tilting the seat back backward. Further, when the third movable part swings to one side in the predetermined direction, the footrest mechanism swings the footrest part forward of the seat, and the third movable part further swings in the same direction to be in an interlocked state. In this case, in addition to the footrest mechanism swinging the footrest portion forward of the seat, the tilt mechanism further moves the front portion of the seat cushion upward. That is, the front portion of the seat cushion can be moved upward while tilting the seat back backward or swinging the footrest portion forward of the seat. In this way, the reclining mechanism or the footrest mechanism and the tilt mechanism have a certain correlation that does not cause the seated person to take an excessive sitting posture by moving only one of the first and third movable parts. Can be linked. Therefore, the operability of the movable portion can be further improved while sufficiently ensuring the comfort of the seated person.

  In an eleventh aspect based on the tenth aspect, the first movable portion has a substantially lever shape, takes a substantially vertical posture when not operated, and swings in the seat front-rear direction as the predetermined direction. A movable first operating switch, wherein the second movable portion is a second operational switch swingable in the seat longitudinal direction around the second predetermined position, and the third movable portion is substantially lever-shaped. A third operation switch that takes a substantially vertical orientation when not operated and is swingable in the front-rear direction of the seat, wherein one side of the predetermined direction is the rear of the seat It is.

  As described above, in the eleventh aspect of the invention, the seat back is lifted in the single operation state by swinging the substantially lever-shaped first or third operation switch, which takes a substantially vertical posture when not operated, to the rear of the seat. The seat tilts backward or the footrest swings forward and the front part of the seat cushion further moves upward in the interlocking state. That is, by tilting the first or third operation switch to the rear of the seat, the back of the seated person is tilted backward or the lower leg of the seated person is lifted in the single operation state, and the knee of the seated person is further moved upward in the interlocking state. . Thus, since the direction in which the seated person operates the operation switch and the direction in which the seated person's body moves substantially match, the seated person can operate the operation switch without feeling uncomfortable. Thereby, the operativity of an operation switch can be improved significantly.

  In a twelfth aspect based on any one of the eighth to eleventh aspects, the second movable portion is formed in a concave shape, and the first movable portion is formed on an inner surface of the second movable portion in the interlocked state. It arrange | positions so that it may contact | abut, The said 3rd movable part is arrange | positioned so that it may contact | abut to the inner surface of the said 2nd movable part in the said interlocking | linkage state.

  Thus, in the twelfth aspect, the first and third movable parts can be easily brought into contact with the second movable part. Thereby, the 1st-3rd movable part which each has a single operation state and an interlocking | linkage state can be comprised without requiring a complicated apparatus structure.

  In a thirteenth aspect based on the first aspect, the movable parts are connected to the operation parts, and are configured to move according to the movements of the operation parts. It is arranged to move independently without contacting each other.

  Thus, in the thirteenth aspect, each operation unit arranged to move independently without being in contact with each other and each movable unit are connected to each other so that each movable unit can be moved according to the movement of each operation unit. You can move the part. Therefore, the seated person can perform the operation without pinching his / her finger when operating the seat device. Thereby, the comfort of the seated person is sufficiently ensured.

  According to the present invention, in a sheet apparatus including two or more movable parts that can move around respective predetermined positions and two or more sheet mechanisms that move according to the movement of the respective movable parts, Can be configured to have a single operation state that moves independently without contacting other movable parts, and an interlocking state that moves together with the movable parts that contact and contact other movable parts. Thereby, by moving one movable part, it becomes possible to operate the sheet mechanism of the movable part independently or to interlock with other sheet mechanisms. Therefore, in the seat device including two or more seat mechanisms, the operability of the movable part can be greatly improved.

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

(Embodiment 1)
-Configuration of the seat device-
FIG. 1 is a perspective view of a seat device provided with a seat 1 according to the present embodiment as viewed obliquely from above. A seat 1 shown in FIG. 1 is a vehicle seat, and includes a seat cushion 3 on which a seated person sits, a seat back 2 extending upward from the vicinity of the rear end of the seat cushion 3, and legs provided at a lower front end of the seat cushion 3. It is provided with a loading part (ottoman) 4. An operation portion (movable portion) 5 of the seat mechanism is provided on the base side frame 22 (see FIG. 2) on the left side (in the vehicle width direction) of the seat cushion 3.

<Sheet mechanism>
The seat device of the present embodiment includes a reclining mechanism (first seat mechanism) 12 that tilts the seat back 2 back and forth, and a tilt mechanism (second seat mechanism) 13 that moves the front portion of the seat cushion 3 up and down relative to the rear portion. And a footrest mechanism (third seat mechanism) 14 that swings the ottoman 4 in the longitudinal direction of the seat (see FIG. 3). In the present invention, the sheet mechanism is a mechanism for moving part or all of the sheet.

  FIG. 2 is a perspective view showing the frame structure of the seat cushion 3 with the cushion body omitted. Cushion side frames 15 and 15, which are press-formed products of steel plates, for example, are provided on the left and right sides of the seat cushion 3. The front and rear end portions of the left and right cushion side frames 15 and 15 are connected by pipe members 16 and 17, respectively. Further, a spring 18 made of a wire is stretched between the cushion side frames 15 and 15 in the front and rear direction. Further, a plate member 20 that is a frame of the ottoman 4 is attached to the pipe member 16 at the front end portion via an arm 19 so as to be swingable.

  Base side frames 22 and 22, which are side frames of the base frame 21, are respectively disposed on the lower outer sides of the left and right cushion side frames 15 and 15. These base side frames 22 and 22 are also press-molded products, and the left and right base side frames 22 and 22 are connected to each other by a connecting plate 23 and pipe members 24 and 24. Further, a rising portion 22c that is curved and extends upward is formed at the rear end portion of each base side frame 22. A seat back frame 52 (see FIG. 3) of the seat back 2 is attached to the left and right rising portions 22c, 22c via an angle adjusting portion 25 so as to be rotatable around a rotation shaft 26 extending in the left-right direction of the seat. The rotating shaft 26 protrudes outward from the base side frame 22.

《Recliner mechanism》
As shown in FIG. 3, the reclining mechanism 12 is provided at the attachment portion between the lower end of the seat back frame 52 and the base side frame 22. A worm gear 28 is fixed to the protrusion 26 a of the rotating shaft 26. In addition, a reclining electric motor 29 including a worm 30 that is rotationally driven by an output shaft of the motor is supported on the rising portion 22 c of the base side frame 22. Since the worm 30 of the reclining electric motor 29 meshes with the worm gear 28, an operating force is input to the angle adjustment unit 25 by the operation of the reclining electric motor 29. Thereby, the rotating shaft 26 rotates and the seat back 2 rotates (tilts back and forth). The reclining electric motor 29 is electrically connected to a first fixed terminal 46 (see FIG. 8) of a switch circuit described later via a lead wire (not shown).

<Tilt mechanism>
The tilt mechanism 13 is provided adjacent to the inner side (right side) of the cushion side frame 15 on the left side of the seat cushion 3. A protrusion 15a extending downward is formed at the front of the cushion side frame 15, and a protrusion 15b extending downward is formed at the rear end. The protrusion 15b at the rear end of the cushion side frame 15 is rotatably supported around a support pin 33 attached to the base side frame 22 and extending in the left-right direction of the seat. As the cushion side frame 15 rotates around the support pin 33, the front portion of the seat cushion 3 moves in the vertical direction.

  On the other hand, the protrusion 15a at the front portion of the cushion side frame 15 is connected to the front portion of the base side frame 22 via the link 31 and the swing lever 32 so that the height can be adjusted. The swing lever 32 is a substantially “<”-shaped (substantially V-shaped) member, and is connected to the front portion of the base side frame 22 via a swing shaft 60 extending in the left-right direction of the seat. Further, the swing lever 32 has one end (output side) connected to the link 31 and the other end (input side) connected to the rack 34 via a pin 35.

  The tilt mechanism 13 is configured such that the driving force of the tilt electric motor 36 is input to the swing lever 32 via the rack 34. The rack 34 is engaged with a pinion 37 coupled to the output shaft of the electric motor 36 for tilting. The rack 34 is slidably supported by the base side frame 22 so as to advance and retreat in the front-rear direction under the driving force of the tilting electric motor 36. Further, the pin 35 is movably engaged with an elongated hole 32 a formed on the input side of the swing lever 32 so that the swing lever 32 can swing by the advance and retreat of the rack 34. When the swing lever 32 is pulled by the rack 34 and rotated, the output side moves upward and pushes up the front portion of the cushion side frame 15 via the link 31. The tilting electric motor 36 is electrically connected to a second fixed terminal 47 (see FIG. 8) of a switch circuit described later via a lead wire (not shown).

《Foot mechanism》
The footrest mechanism 14 is provided at the lower part of the front end of the seat cushion 3. A plate member 20 of the ottoman 4 is swingably attached via an arm 19 to a pipe member 16 extending in the left-right direction of the seat at the front end portion of the cushion side frames 15 and 15. A rack 39 is connected to the plate member 20 via a pin 38 extending in the left-right direction of the seat, and a pinion 41 coupled to the output shaft of the footrest electric motor 40 is engaged with the rack 39. The rack 39 is slidably supported by the base frame 21 so as to advance and retreat in the front-rear direction under the driving force of the footrest electric motor 40. Then, when the footrest electric motor 40 is operated, the rack 39 moves obliquely upward and pushes the plate member 20 obliquely upward. The ottoman 4 is installed so as to swing between a storage position where the flat surface of the plate member 20 is substantially inverted and a use position where the flat surface of the plate member 20 is substantially horizontal. In the present embodiment, moving the ottoman 4 toward the storage position is referred to as swinging toward the rear of the seat, and moving the ottoman 4 toward the use position is referred to as swinging toward the front of the seat. Further, the footrest electric motor 40 is electrically connected to a third fixed terminal 48 (see FIG. 8) of a switch circuit described later via a lead wire (not shown).

<movable part>
As shown in FIGS. 1 and 4, the operation unit 5 includes first to third operation switches (first to third movable units) 6 to 8. The first and third operation switches 6 and 8 have a substantially lever shape and are configured to take a substantially vertical posture when not operated. The first operation switch 6 can swing in the seat front-rear direction around a first shaft member (first predetermined position) 9 extending in the seat left-right direction, and the third operation switch 8 extends in the seat left-right direction. The third shaft member (third predetermined position) 11 can swing around the seat in the longitudinal direction.

  The first shaft member 9 is a tubular member having an inner diameter larger than the outer diameter of the third shaft member 11, and the third shaft member 11 passes through the tube coaxially with the first shaft member 9 (see FIG. 8). ). Further, the first operation switch 6 and the third operation switch 8 are arranged in parallel with a gap in the left-right direction of the seat so as not to contact each other. Accordingly, the first operation switch 6 and the third operation switch 8 can be individually swung.

  The second operation switch 7 is formed in a concave shape. The second operation switch 7 can swing in the seat front-rear direction around a second shaft member (second predetermined position) 10 extending in the seat left-right direction.

  The first operation switch 6 has a front surface 6a and a rear surface 6b and an inner surface 7a (including the upper edge portion 7b) of the second operation switch 7 spaced apart when not operated, and in the interlocked state described later. It is arranged to touch. Similarly to the first operation switch 6, the third operation switch 8 also has a front surface 8 a and a rear surface 8 b and an inner surface 7 a of the second operation switch 7 that are spaced apart from each other by a predetermined interval when not operated. It arrange | positions so that it may contact | abut in a state. Specifically, the lower half of the first and third operation switches 6 and 8 is disposed in the recess of the second operation switch 7.

  As described above, by arranging the first and third operation switches 6 and 8 with respect to the second operation switch 7, the first and third operation switches 6 and 8 do not contact the second operation switch 7. It has a single operation state that moves independently and an interlocking state that moves in contact with the second operation switch 7 in contact with the second operation switch 7.

  FIG. 5 is a diagram for explaining a single operation state of the first operation switch 6. In FIG. 5, the third operation switch 8 is omitted. As described above, a predetermined interval is provided between the front side surface 6a and the rear surface 6b of the first operation switch 6 and the inner surface 7a of the second operation switch 7 when not operated. Accordingly, in the range not exceeding this interval, that is, in the rotation angle region α of the center line of the first operation switch 6 shown in FIG. 5, the first operation switch 6 is swung without contacting the second operation switch 7. be able to. Thus, in the present embodiment, the first operation switch 6 has a single operation state that moves independently without contacting the second operation switch 7.

  In the present specification, the “region” means that the first operation switch 6 is swung without coming into contact with the second operation switch 7 when the second operation switch 7 is stopped (during non-operation). Is a rotation angle range (single operation region) in which the second operation switch 7 swings. Note that the third operation switch 8 also has a single operation state that moves independently without contacting the second operation switch 7.

  FIG. 6 is a diagram for explaining a single operation state of the second operation switch 7. In FIG. 6, the third operation switch 8 is omitted. As described above, a predetermined interval is provided between the front surface 6 a and the rear surface 6 b of the first operation switch 6 and the inner surface 7 a of the second operation switch 7. Therefore, in the range not exceeding this interval, that is, in the rotation angle region β of the center line of the second operation switch 7 shown in FIG. 6, the second operation switch 7 does not contact the first operation switch 6 in the non-operation state. Can be swung. As described above, in the present embodiment, the second operation switch 7 has a single operation state in which the second operation switch 7 moves independently without contacting any of the first and third operation switches 6 and 8.

  On the other hand, when the first operation switch 6 tilts forward or backward beyond the rotation angle region α (single operation region), or the second operation switch 7 exceeds the rotation angle region β (single operation region), the seat longitudinal direction The first operation switch 6 and the second operation switch 7 swing in conjunction with each other. For example, as shown in FIG. 7, when the first operation switch 6 is tilted backward beyond the rotation angle region α, the inner surface 7a (upper edge portion) of the second operation switch 7 that the rear surface 6b of the first operation switch 6 is opposed to. 7b), the second operation switch 7 also swings to the rear side of the seat. Therefore, by tilting the first operation switch 6 backward to a region exceeding the single operation region (interlocking region), the second operation switch 7 can be swung without directly operating the second operation switch 7.

  As described above, in the present embodiment, the first operation switch 6 has an interlocking state in which the first operation switch 6 abuts on the second operation switch 7 and moves together with the second operation switch 7. Note that the third operation switch 8 is also in contact with the second operation switch 7 and moves together with the second operation switch 7. At the same time, the second operation switch 7 has an interlocking state in which the second operation switch 7 moves together with the corresponding operation switch in contact with the first operation switch 6 and / or the third operation switch 8.

<Switch circuit>
FIG. 8 is a diagram illustrating the relationship between the switch circuits 61 to 63 provided on the inner side of the seat cushion 3 via the base side frame 22 and the operation unit 5 provided on the outer side of the seat cushion 3. The first shaft member 9 that pivotally supports the first operation switch 6 at the lower end thereof is rotatably inserted and supported in a through hole 22 a that is formed in the base side frame 22 and penetrates in the left-right direction of the seat. In addition, the third shaft member 11 that pivotally supports the third operation switch 8 at the lower end thereof is formed in a tubular first shaft member 9 and a through hole 42a formed in the switch circuit case 42 in the left-right direction of the sheet. It is rotatably inserted and supported at two points. Further, the second shaft member 10 that pivotally supports the second operation switch 7 at the center thereof is freely rotatable in through holes 22b and 59a that are formed in the base side frame 22 and the support wall 59 and penetrate in the left-right direction of the seat. And is supported at two points.

  As shown in FIGS. 8 and 9, switch circuits 61 to 63 for the operation switches 6 to 8 are provided in the switch circuit case 42. In FIG. 9, the third operation switch 8 and the third switch circuit 63 are omitted. Although not shown, the fixed terminals 46 to 48 of the switch circuits 61 to 63 are fixed so as not to move.

  The first switch circuit 61 includes a first terminal block 43, first movable terminals 49 and 49, and first fixed terminals 46 and 46. The first terminal block 43 is a plate-like member, and both surfaces thereof face the front and rear sides of the sheet, and take a substantially vertical posture when the first operation switch 6 is not operated. The first terminal block 43 is connected to the first operation switch 6 via the first shaft member 9, and the seat front-rear direction is centered on the first shaft member 9 in response to the swing of the first operation switch 6. Rocks. The first movable terminals 49, 49 are provided on both surfaces of the first terminal block 43, and move together with the first terminal block 43 in the seat front-rear direction around the first shaft member 9. The first fixed terminals 46 and 46 are leaf spring-shaped terminals, and when the first operation switch 6 is not operated, the first terminal block 43 is placed on the front side of the seat and the first movable terminals 49 and 49 with a predetermined interval. It is arranged so as to be sandwiched from the rear side.

  The second switch circuit 62 includes a second terminal block 44, second movable terminals 50 and 50, and second fixed terminals 47 and 47. The second terminal block 44 is a plate-like member, and both surfaces thereof are directed upward and downward, and assume a substantially lateral orientation when the second operation switch 7 is not operated. The second terminal block 44 is connected to the second operation switch 7 via the second shaft member 10, and rotates up and down around the second shaft member 10 in response to the swing of the second operation switch 7. To do. The second movable terminals 50, 50 are provided at both ends in the seat front-rear direction on the lower surface of the second terminal block 44, and move around the second shaft member 10 together with the second terminal block 44. The second fixed terminals 47 and 47 are leaf spring-like terminals, and are arranged below the second terminal block 44 at a predetermined interval from the second movable terminals 50 when the second operation switch 7 is not operated. Has been.

  As shown in FIG. 10, when the first operation switch 6 is swung to the rear of the seat, the first terminal block 43 swings to the rear of the seat and the rear first movable terminal 49 is the rear first fixed terminal. 46 is contacted. When the rear first movable terminal 49 comes into contact with the rear first fixed terminal 46, the seat back 2 tilts backward.

  Further, when the second operation switch 7 is swung rearward, the second terminal block 44 rotates counterclockwise as shown in FIG. 10, and the rear second movable terminal 50 becomes the rear second fixed terminal. 47 is contacted. When the second movable terminal 50 on the rear side contacts the second fixed terminal 47 on the rear side, the front portion of the seat cushion 3 moves upward.

  The bent fixed plate spring-shaped first fixed terminal 46 is configured to extend substantially linearly as the first operation switch 6 is swung rearward of the seat. Accordingly, the first operation switch 6 can be tilted to the rear side of the seat even after the rear first movable terminal 49 and the rear first fixed terminal 46 come into contact with each other. Moreover, in the single operation state of the first operation switch 6, the contact state between the first movable terminal 49 on the rear side and the first fixed terminal 46 on the rear side is maintained, so that the backward tilting operation of the seat back 2 is continued. . The second movable terminal 50 and the second fixed terminal 47 are not in contact with each other as long as the first operation switch 6 swings in the single operation state.

  As shown in FIG. 11, when the first operation switch 6 and the second operation switch 7 are in an interlocking state, the first movable terminal on the rear side is in a state where the leaf spring-like first fixed terminal 46 extends substantially linearly. 49, the second movable terminal 50 on the rear side contacts the second fixed terminal 47 on the rear side. That is, in the interlocked state, the first and second switch circuits 61 and 62 are configured to tilt the seat back 2 backward and move the front portion of the seat cushion 3 upward. The reason that the front part of the seat cushion 3 is moved upward when the seat back 2 tilts backward is to avoid the seated person's body from being bent around the waist. That is, in the present embodiment, the reclining mechanism 12 and the tilt mechanism 13 are linked with a certain correlation that prevents the seated person from taking an unreasonable sitting posture.

  As described above, each of the sheet mechanisms 12 to 14 is configured to operate when the fixed terminal and the movable terminal come into contact with each of the switch circuits 61 to 63. That is, the back and forth tilt of the seat back 2 and the vertical movement of the front portion of the seat cushion 3 are not proportional to the tilt of the operation switches 7 to 9 but proportional to the time of the single operation state or the interlocking state. Therefore, for example, when the seat back 2 is stopped at a predetermined position, the first movable terminal 49 and the first fixed terminal 46 are not in contact with each other, that is, when the first operation switch 6 is in a substantially vertical posture. Good.

  The third switch circuit 63 and the footrest electric motor 40 are configured such that when the rear third movable terminal 51 provided on the third terminal block 45 contacts the rear third fixed terminal 48, the ottoman 4 It is connected so as to swing forward of the seat. That is, in the interlocked state, the second and third switch circuits 62 and 63 are configured to swing the ottoman 4 forward of the seat and move the front portion of the seat cushion 3 upward. The reason that the front part of the seat cushion 3 moves upward when the ottoman 4 swings forward is to prevent the seated person's leg from being extremely bent around the knee. In other words, in the present embodiment, the tilt mechanism 13 and the footrest mechanism 14 are linked with a certain correlation that prevents the seated person from taking an excessive sitting posture.

  Further, when the operation switches 6 to 8 are swung forward of the seat, the switch circuits 61 to 63 and the seat mechanisms 12 to 14 perform the operations opposite to those described above.

-Operation of seat device-
When the first operation switch 6 is tilted forward in the single operation state, the seat back 2 tilts forward. Conversely, when the first operation switch 6 is tilted backward in the single operation state, the seat back 2 tilts backward. Further, when the first operation switch 6 is returned to the non-operating state (substantially vertical posture) while the seat back 2 is tilted forward or backward, the seat back 2 is returned to the state when the first operation switch 6 is returned. Stop at position. Similarly, when only the front portion of the seat cushion 3 is moved up and down, the second operation switch 7 is operated in the single operation state, and when only the ottoman is swung in the front-rear direction, the third operation switch 8 is operated in the single operation state. Manipulate.

  When the first operation switch 6 is tilted deeper than the single operation state in the front of the seat to be in the interlocked state, the seat back 2 tilts forward and the front portion of the seat cushion 3 moves downward. On the other hand, when the first operation switch 6 is tilted deeper backward than the single operation state, the seat back 2 tilts backward and the front portion of the seat cushion 3 moves upward. Further, when the first operation switch 6 is returned to the non-operation state while the seat back 2 and the seat cushion 3 are operating, the second operation switch 7 is also in the non-operation state, and the seat back 2 and the seat cushion 3 are It stops at the position when the operation switches 6 and 8 are returned. Similarly, when the second operation switch 7 is swung to the front or rear of the seat more than in the single operation state, the front portion of the seat cushion 3 moves downward or upward and the seat back 2 tilts forward. Or tilt backwards.

  On the other hand, when the ottoman 4 and the seat cushion 3 are interlocked, the second or third operation switches 7 and 8 are operated in an interlocking state in the same procedure as described above. Of course, it is possible to shift from the interlocking state to the single operation state, or from the single operation state to the interlocking state.

-Effect-
According to the present embodiment, the first and third operation switches 6 and 8 operate the first and third seat mechanisms 12 and 14 respectively in accordance with their movements, and abut against the second operation switch 7. The single operation state that moves independently, and the interlocking state that moves in contact with the second operation switch 7 in contact with the second operation switch 7. Further, the second operation switch 7 operates the second seat mechanism 13 according to the movement thereof, and the single operation state that moves independently without contacting any of the first and third operation switches 6 and 8, The first and / or third operation switches 6 and 8 are in contact with the first and / or third operation switches 6 and 8 in contact with the first and / or third operation switches 6 and 8. That is, according to the seat device of the present embodiment, by operating any one of the first and third operation switches 6 and 8, the seat mechanism of the operation switch can be operated independently. It is also possible to interlock the sheet mechanism 13. Thereby, the operativity of operation switch (movable part) 6-8 can be improved.

  Further, according to the present embodiment, the reclining mechanism 12 corresponds to the first operation switch 6, the tilt mechanism 13 corresponds to the second operation switch 7, and the footrest mechanism 14 corresponds to the third operation switch 8. Thereby, in the seat apparatus provided with the reclining mechanism 12, the tilt mechanism 13, and the footrest mechanism 14, the effect which improves the operativity of the operation switches 6-8 can be exhibited.

  Furthermore, according to this embodiment, when the first operation switch 6 swings to one side in a predetermined direction, the reclining mechanism 12 tilts the seat back 2 backward, and the first operation switch 6 further swings in the same direction. When moved to the interlocked state, the tilt mechanism 13 moves the front portion of the seat cushion 3 upward in addition to the reclining mechanism 12 tilting the seat back 2 backward. When the third operation switch 8 swings to one side in a predetermined direction, the footrest mechanism 14 swings the ottoman 4 forward and the third operation switch 8 further swings in the same direction and interlocks. In this state, in addition to the footrest mechanism 14 swinging the ottoman 4 forward of the seat, the tilt mechanism 13 further moves the front portion of the seat cushion 3 upward. That is, the front portion of the seat cushion 3 can be moved upward while tilting the seat back 2 backward or swinging the ottoman 4 forward of the seat. In this way, the reclining mechanism 12 or the footrest mechanism 14 and the tilt mechanism have a certain correlation that does not cause the seated person to take an unreasonable sitting posture by moving only one of the first and third movable parts. 13 can be linked. Therefore, the operability of the operation switches 6 to 8 can be further improved while sufficiently ensuring the comfort of the seated person.

  In addition, according to the present embodiment, in a single operation state, the first or third operation switches 6 and 8 having a substantially lever shape, which takes a substantially vertical posture when not operated, are swung rearward. The seat back 2 tilts backward or the ottoman 4 swings forward, and the front portion of the seat cushion 3 further moves upward in the interlocked state. That is, by tilting the first or third operation switch 6 or 8 to the rear of the seat, the back of the seated person is tilted backward or the lower leg of the seated person is lifted in the single operation state, and the knee of the seated person is further lifted in the interlocking state. Move up. Thus, since the direction in which the seated person operates the operation switches 6-8 and the direction in which the seated person's body moves substantially match, the seated person can operate the operation switches 6-8 without a sense of incongruity. Thereby, the operativity of the operation switches 6-8 can be improved significantly.

  Further, according to the present embodiment, the second operation switch 7 is formed in a concave shape, and the first operation switch 6 and the third operation switch 8 abut against the inner surface of the second operation switch 7 in each interlocked state. Are arranged as follows. Accordingly, the first and third operation switches 6 and 8 can be easily brought into contact with the second operation switch 7. As a result, the first to third operation switches 6 to 8 each having a single operation state and an interlocking state can be configured without requiring a complicated device configuration.

(Embodiment 2)
In the present embodiment, a first operation switch 6 that can swing around a first predetermined position, a second operation switch 7 that can swing around a second predetermined position, and a first operation A reclining mechanism 12 that moves according to the swing of the switch 6 and a tilt mechanism 13 that moves according to the swing of the second operation switch 7 are provided. Hereinafter, differences from the first embodiment will be described.

-Configuration of the seat device-
<Sheet mechanism>
As shown in FIG. 12, the seat device according to the present embodiment includes a reclining mechanism 12 and a tilt mechanism 13. Both the reclining mechanism 12 and the tilt mechanism 13 use an electric motor as a power source. The reclining electric motor 29 has a first fixed terminal 46 (see FIG. 14) of the switch circuit, and the tilt electric motor 36 has a second fixed terminal 47 (see FIG. 14) of the switch circuit and a lead wire (not shown). Is electrically connected.

<movable part>
FIG. 13 is a perspective view of a seat device provided with the seat 1 according to the present embodiment as viewed obliquely from above. The operation unit 5 includes a first operation switch 6 and a second operation switch 7. The first operation switch 6 has a substantially lever shape, and is configured to take a substantially vertical posture when not operated. The first operation switch 6 is swingable in the seat front-rear direction around a first shaft member 9 extending in the seat left-right direction. The second operation switch 7 is formed in a concave shape. The second operation switch 7 can swing in the seat front-rear direction around the second shaft member 10 extending in the seat left-right direction.

  The first operation switch 6 is arranged so that the front surface 6a and the rear surface 6b thereof and the inner surface 7a of the second operation switch 7 are in contact with each other at a predetermined interval when not operated and in an interlocked state. Specifically, the lower half of the first operation switch is arranged in the recess of the second operation switch. Thus, by arranging the first operation switch 6 with respect to the second operation switch 7, the first operation switch 6 and the second operation switch 7 are in contact with each other in a single operation state in which they move independently. It has an interlocking state that interlocks.

<Switch circuit>
FIG. 14 is a cross-sectional view showing the relationship between the switch circuits 61 and 62 provided inside the seat cushion 3 via the base side frame 22 and the operation unit 5 provided outside the seat cushion 3. The first shaft member 9 that pivotally supports the first operation switch 6 at the lower end thereof is rotatable in through holes 22a and 42a that are formed in the base side frame 22 and the switch circuit case 42 and penetrate the seat in the left-right direction. Inserted and supported at two points. The second shaft member 10 that pivotally supports the second operation switch 7 at the center thereof is freely rotatable in through holes 22b and 59a that are formed in the base side frame 22 and the support wall 59 and extend in the left-right direction of the seat. And is supported at two points. In the switch circuit case 42, a switch circuit 61 of the first operation switch 6 and a switch circuit 62 of the second operation switch 7 are provided. When the rear first movable terminal 49 provided on the first terminal block 43 of the first switch circuit 61 contacts the rear first fixed terminal 46, the seat back 2 tilts backward. Further, when the rear second movable terminal 50 provided on the second terminal block 44 of the second switch circuit 62 contacts the rear second fixed terminal 47, the front portion of the seat cushion 3 moves upward.

-Effect-
According to the present embodiment, the first operation switch 6 and the second operation switch 7 operate the respective seat mechanisms 12 and 13 in accordance with the respective movements, and the single operation state in which the respective operation is performed independently. And an interlocking state that interlocks with each other. That is, by moving one operation switch, the seat mechanism of the operation switch can be operated alone or in conjunction with another sheet mechanism. Thereby, the operability of the operation switches (movable parts) 6 and 7 can be improved.

  Further, according to the present embodiment, the first operation switch 6 is associated with the reclining mechanism 12, and the second operation switch 7 is associated with the tilt mechanism 13. Thereby, in the seat apparatus provided with the reclining mechanism 12 and the tilt mechanism 13, the effect of improving the operability of the operation switches 6 and 7 can be exhibited.

  Furthermore, according to this embodiment, when the first operation switch 6 swings to one side in a predetermined direction, the reclining mechanism 12 tilts the seat back 2 backward, and the first operation switch 6 further swings in the same direction. When moved to the interlocked state, the tilt mechanism 13 moves the front portion of the seat cushion 3 upward in addition to the reclining mechanism 12 tilting the seat back 2 backward. That is, the front portion of the seat cushion 3 can be moved upward while tilting the seat back 2 backward. In this way, the reclining mechanism 12 and the tilt mechanism 13 can be interlocked with a certain correlation that does not cause the seated person to take an unreasonable sitting posture by simply moving the first operation switch 6. Therefore, the operability of the operation switches 6 and 7 can be improved while sufficiently ensuring the comfort of the seated person.

  In addition, according to the present embodiment, the seat back 2 is moved backward in the single operation state by swinging the substantially lever-shaped first operation switch 6 that takes a substantially vertical posture when not being operated. Inclined and the front part of the seat cushion 3 further moves upward in the interlocking state. That is, by tilting the first operation switch 6 to the rear of the seat, the back of the seated person is tilted backward in the single operation state, and the knee of the seated person is further moved upward in the interlocking state. Thus, the direction in which the seated person operates the operation switches 6 and 7 and the direction in which the body of the seated person moves substantially coincide, so that the seated person can operate the operation switches 6 and 7 without a sense of incongruity. Thereby, the operativity of the operation switches 6 and 7 can be improved significantly.

  Further, according to the present embodiment, the second operation switch 7 is formed in a concave shape, and the first operation switch 6 is disposed so as to contact the inner surface of the second operation switch 7 in the interlocked state. Therefore, the first operation switch 6 can be easily brought into contact with the second operation switch 7. Thereby, the 1st and 2nd operation switches 6 and 7 which have a single operation state and an interlocking state, respectively, can be constituted without requiring a complicated device configuration.

(Embodiment 3)
Unlike the second embodiment, the present embodiment differs from the second embodiment in that the first operation switch 6 can swing around the first predetermined position and the second operation that can swing around the second predetermined position. The switch 7 includes a footrest mechanism 14 that moves according to the swing of the first operation switch 6 and a tilt mechanism 13 that moves according to the swing of the second operation switch 7. Hereinafter, differences from the second embodiment will be described.

-Configuration of the seat device-
<Sheet mechanism>
As shown in FIG. 15, the seat device according to the present embodiment includes a footrest mechanism 14 and a tilt mechanism 13. Both the footrest mechanism 14 and the tilt mechanism 13 use an electric motor as a power source. The foot-mounted electric motor 40 has a first fixed terminal 46 (see FIG. 14) of the switch circuit, and the tilt electric motor 36 has a second fixed terminal 47 (see FIG. 14) of the switch circuit and a lead wire (not shown). It is electrically connected via.

<Switch circuit>
When the rear first movable terminal 49 provided on the first terminal block 43 of the first switch circuit 61 comes into contact with the rear first fixed terminal 46, the ottoman 4 swings forward of the seat. Further, when the rear second movable terminal 50 provided on the second terminal block 44 of the second switch circuit 62 contacts the rear second fixed terminal 47, the front portion of the seat cushion 3 moves upward.

-Effect-
According to the present embodiment, the first operation switch 6 is associated with the footrest mechanism 14, and the second operation switch 7 is associated with the tilt mechanism 13. Thereby, in the seat apparatus provided with the tilt mechanism 13 and the footrest mechanism 14, the effect of improving the operability of the operation switches 6 and 7 can be exhibited.

  Further, according to the present embodiment, when the first operation switch 6 swings to one side in a predetermined direction, the footrest mechanism 14 swings the ottoman 4 forward and the first operation switch 6 has the same direction. When the swaying mechanism 14 is further swung into the interlocking state, the footrest mechanism 14 swings the ottoman 4 forward of the seat, and the tilt mechanism 13 further moves the front portion of the seat cushion 3 upward. That is, the front portion of the seat cushion 3 can be moved upward while swinging the ottoman 4 forward. In this way, the footrest mechanism 14 and the tilt mechanism 13 can be interlocked with a certain correlation that does not cause the seated person to take an unreasonable sitting posture simply by moving the first operation switch 6. Therefore, the operability of the operation switches 6 and 7 can be further improved while sufficiently ensuring the comfort of the seated person.

  Further, according to the present embodiment, the ottoman 4 is moved forward in the single operation state by swinging the substantially lever-shaped first operation switch 6 which takes a substantially vertical posture when not operated, to the rear of the seat. The front part of the seat cushion 3 further moves upward in the interlocked state. That is, by tilting the first operation switch 6 to the rear of the seat, the lower leg of the seated person is lifted in the single operation state, and the knee of the seated person is further moved upward in the interlocking state. Thus, the direction in which the seated person operates the operation switches 6 and 7 and the direction in which the body of the seated person moves substantially coincide, so that the seated person can operate the operation switches 6 and 7 without a sense of incongruity. Thereby, the operativity of the operation switches 6 and 7 can be improved significantly.

(Embodiment 4)
In this embodiment, each movable part used as an operation switch in the second and third embodiments is used as a mechanism part in a switch circuit. And each mechanism part is comprised so that it may move according to a motion of each operation part 5 while it is connected with each operation part 5 arrange | positioned so that it may move independently without mutually contacting. Hereinafter, differences from the second and third embodiments will be described.

-Configuration of the seat device-
<movable part>
As shown in FIG. 16, the operation unit 5 of the seat device according to the present embodiment includes a first switch 53 and a second switch 54, and the base side frame 22 (see FIG. 2) located on the left side of the seat cushion 3. It is provided via a cushion body.

  The first switch 53 has a substantially lever shape and is configured to take a substantially vertical posture when not operated, and can swing in the seat front-rear direction around the first shaft member 9 extending in the seat left-right direction. It has become. That is, the first switch 53 has substantially the same configuration as the first operation switch 6 of the first to third embodiments.

  On the other hand, the second switch 54 has a substantially lever shape, and is configured to take a horizontal posture when not being operated, and is capable of rotating in the vertical direction around the second shaft member 10 extending in the left-right direction of the seat. It has become. That is, the second switch 54 is arranged in a state of not contacting the first switch 53, unlike the second operation switch 7 formed in a concave shape in the first to third embodiments. As a result, the first switch 53 and the second switch 54 can move independently without being in contact with each other.

<Switch circuit>
FIG. 17 is a cross-sectional view showing the relationship between the switch circuit provided inside the seat cushion 3 via the base side frame 22 and the operation unit 5 provided outside the seat cushion 3. The first shaft member 9 that pivotally supports the first switch 53 at the lower end thereof is rotatably inserted into through holes 22a and 42a that are formed in the base side frame 22 and the switch circuit case 42 and extend in the left-right direction of the seat. And is supported at two points. The second shaft member 10 that pivotally supports the second switch 54 at the center thereof is rotatable in through-holes 22b and 59a formed in the base side frame 22 and the support wall 59 and extending in the left-right direction of the seat. Inserted and supported at two points.

  As shown in FIGS. 16 and 17, the first switch circuit 61 includes a first mechanism portion 55, a first terminal block 43, first movable terminals 49 and 49, and first fixed terminals 46 and 46. The substantially lever-shaped first mechanism part (first movable part) 55 is disposed inside the switch circuit case 42 and via the first shaft member 9 that pivotally supports the first mechanism part 55 at its lower end. The first switch 53 is connected. That is, the first mechanism portion 55 is configured to swing in the seat front-rear direction in accordance with the swing of the first switch 53 in the seat front-rear direction.

  The second switch circuit 62 includes a second mechanism portion 56, a second terminal block 44, second movable terminals 50 and 50, and second fixed terminals 47 and 47. The second mechanism part (second movable part) 56 formed in a concave shape is disposed inside the switch circuit case 42 and has the second shaft member 10 that pivotally supports the second mechanism part 56 at its center. And is connected to the second switch 54. That is, the second mechanism portion 56 is configured to swing in the front-rear direction of the seat in accordance with the rotation of the second switch 54 in the vertical direction. Furthermore, the first mechanism portion 55 has a single operation state that moves independently without contacting the second mechanism portion 56, and an interlocking state that moves together with the second mechanism portion 56 while contacting the second mechanism portion 56. Is arranged. Specifically, the lower half of the first mechanism portion 55 is disposed in the recess of the second mechanism portion 56. Therefore, even if the first switch 53 is further tilted backward from the single operation state, the first switch 53 and the second switch 54 do not contact each other, but the first mechanism portion 55 and the second mechanism in the switch circuit inside the seat. The unit 56 is in an interlocking state.

  The first terminal block 43 is connected to the first mechanism portion 55 via the first shaft member 9, and swings in the seat front-rear direction around the first shaft member 9 according to the swing of the first mechanism portion 55. Move. Further, the second terminal block 44 is connected to the second mechanism portion 56 via the second shaft member 10, and is vertically moved around the second shaft member 10 according to the swinging of the second mechanism portion 56. Rotate.

-Effect-
As described above, according to the present embodiment, the operation portions 53 and 54 and the mechanism portions 55 and 56 that are arranged so as to move independently without contacting each other are connected to each other, thereby moving the operation portions. Each mechanism part can be moved according to. Therefore, the seated person can perform the operation without pinching his / her finger when operating the seat device. Thereby, the comfort of the seated person is sufficiently ensured.

(Other embodiments)
In each of the above embodiments, each operation switch and each mechanism portion is configured to swing around the shaft member. However, the present invention is not limited to this, and for example, as shown in FIG. It can also be configured to move slidably within 58.

  The seat device of the present invention can also be used for a seat device provided with a seat mechanism other than a reclining mechanism, a tilt mechanism, and a footrest mechanism, that is, a seat device provided with four or more seat mechanisms.

  Furthermore, in each said embodiment, although the vehicle seat was used as the sheet | seat 1, the seat apparatus of this invention can be used for various uses, such as a household chair and a massage seat. Unlike Embodiments 1 and 2, for example, the front portion of the seat cushion can be interlocked so as to move downward when the seat back is tilted backward. That is, according to the use of the sheet apparatus, the moving directions of the respective sheet mechanisms in the interlocked state can be freely combined.

  In addition, the configuration of the switch circuit is not limited to the above embodiments, and can be implemented in various other forms. In each of the above-described embodiments, the seat mechanism is electrically driven. However, a seat mechanism that is driven by hydraulic pressure or the like can also be used.

  In the fourth embodiment, the number of operation switches is two, but the present invention can also be applied to a seat apparatus having three operation switches.

  The configuration of the seat device in which the operation unit 5 is provided at a place other than the inner side in the vehicle width direction of the seat is substantially the same as the seat device described above.

  The present invention is not limited to the embodiments, and can be implemented in various other forms without departing from the spirit or main features thereof. As described above, the above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

  As described above, the present invention is useful for a seat device that includes a movable part that can move around a predetermined position and a seat mechanism that moves according to the movement of the movable part.

It is the perspective view which looked at the sheet | seat apparatus provided with the sheet | seat which concerns on Embodiment 1 of this invention from diagonally upward. It is a perspective view which omits a cushion body and shows the frame structure of the seat cushion of the embodiment. It is a side view showing each mechanism of the seat device of the embodiment. It is a front view of the operation switch at the time of non-operation seen from the left side of the seat. It is a figure explaining the single operation state of the 1st operation switch. It is a figure explaining the single operation state of the 2nd operation switch. It is a figure explaining the interlocking state of the 1st and 2nd operation switch. It is arrow sectional drawing of the VIII-VIII line of FIG. FIG. 9 is a cross-sectional view taken along line IX-IX in FIG. 8. It is a figure explaining the single operation state of the 1st switch circuit. It is a figure explaining the interlocking | linkage state of a 1st and 2nd switch circuit. It is a side view which shows each mechanism of the sheet apparatus of Embodiment 2. It is the perspective view which looked at the sheet | seat apparatus provided with the sheet | seat which concerns on the embodiment from diagonally upward. FIG. 14 is a cross-sectional view taken along line XIV-XIV in FIG. 13. It is a side view which shows each mechanism of the sheet | seat apparatus of Embodiment 3. It is a front view of the operation part at the time of the non-operation of the seat apparatus concerning Embodiment 4 seen from the sheet left side. It is arrow sectional drawing of the XVII-XVII line of FIG. It is a front view of the operation part of the sheet apparatus concerning other embodiments.

Explanation of symbols

1 Seat 2 Seat Back 3 Seat Cushion 4 Footrest (Ottoman)
6 First operation switch (first movable part)
7 Second operation switch (second movable part)
7a Inner surface 7b Upper edge 8 Third operation switch (third movable part)
9 First predetermined position (first shaft member)
10 Second predetermined position (second shaft member)
11 Third predetermined position (third shaft member)
12 reclining mechanism 13 tilt mechanism 14 footrest mechanism 53 first switch 54 second switch 55 first mechanism part (first movable part)
56 Second mechanism part (second movable part)

Claims (13)

A first movable part that can move around a first predetermined position, a second movable part that can move around a second predetermined position, and a first sheet that moves according to the movement of the first movable part A seat device comprising a mechanism and a second seat mechanism that moves in accordance with the movement of the second movable part,
The first movable part has a single operation state that moves independently without contacting the second movable part, and an interlocking state that moves together with the second movable part in contact with the second movable part,
The second movable portion has a single operation state that moves independently without contacting the first movable portion, and an interlocking state that moves in contact with the first movable portion and moves with the first movable portion. A sheet apparatus characterized by the above. The seat device according to claim 1,
The first seat mechanism is a reclining mechanism that tilts the seat back back and forth,
The seat device according to claim 1, wherein the second seat mechanism is a tilt mechanism that moves the front portion of the seat cushion in the vertical direction with respect to the rear portion. The seat device according to claim 2, wherein
The first movable portion is configured to be swingable in a predetermined direction around the first predetermined position,
The reclining mechanism is configured to tilt the seat back backward when the first movable portion swings to one side in the predetermined direction.
The tilt mechanism is configured to move the front portion of the seat cushion upward when the first movable portion swings to one side in the predetermined direction and enters the interlocking state. Sheet device. The seat device according to claim 1,
The first seat mechanism is a footrest mechanism that swings a footrest portion that supports a lower leg of a seated person seated on the seat in the seat front-rear direction,
The seat device according to claim 1, wherein the second seat mechanism is a tilt mechanism that moves the front portion of the seat cushion in the vertical direction with respect to the rear portion. The sheet apparatus according to claim 4, wherein
The first movable portion is configured to be swingable in a predetermined direction around the first predetermined position,
The footrest mechanism is configured to swing the footrest portion forward of the seat when the first movable portion swings to one side in the predetermined direction.
The tilt mechanism is configured to move the front portion of the seat cushion upward when the first movable portion swings to one side in the predetermined direction and enters the interlocking state. Sheet device. In the sheet apparatus according to claim 3 or 5,
The first movable portion is a first lever switch that is substantially lever-shaped, takes a substantially vertical orientation when not operated, and is swingable in the longitudinal direction of the seat as the predetermined direction.
The second movable part is a second operation switch that can swing in the seat front-rear direction around the second predetermined position,
One side of the said predetermined direction is a sheet | seat back, The seat apparatus characterized by the above-mentioned. In the sheet apparatus according to any one of claims 1 to 6,
The second movable part is formed in a concave shape,
The sheet apparatus according to claim 1, wherein the first movable part is disposed so as to contact an inner surface of the second movable part in the interlocked state. The seat device according to claim 1,
A third movable part capable of moving around a third predetermined position;
A third seat mechanism that moves according to the movement of the third movable part,
The single movable state of the second movable part is a state in which the second movable part moves independently without contacting any of the first and third movable parts,
The interlocking state of the second movable part is a state in which the second movable part moves together with the first and / or third movable part in contact with the first and / or third movable part.
The third movable part has a single operation state that moves independently without contacting the second movable part, and an interlocking state that moves together with the second movable part while contacting the second movable part. A sheet apparatus characterized by the above. The sheet apparatus according to claim 8, wherein
The first seat mechanism is a reclining mechanism that tilts the seat back back and forth,
The second seat mechanism is a tilt mechanism that moves the front part of the seat cushion in the vertical direction with respect to the rear part,
The seat device according to claim 3, wherein the third seat mechanism is a footrest mechanism that swings a footrest portion that supports a lower leg of a seated person seated on the seat in the front-rear direction of the seat. The seat device according to claim 9, wherein
The first movable portion is configured to be swingable in a predetermined direction around the first predetermined position,
The reclining mechanism is configured to tilt the seat back backward when the first movable portion swings to one side in the predetermined direction.
The third movable portion is configured to be swingable in the predetermined direction around the third predetermined position,
The footrest mechanism is configured to swing the footrest portion forward of the seat when the third movable portion swings to one side in the predetermined direction.
The tilt mechanism is configured to move the front portion of the seat cushion upward when the first or third movable portion swings to one side in the predetermined direction and enters the interlocking state. The sheet apparatus characterized by the above-mentioned. The sheet apparatus according to claim 10, wherein
The first movable portion is a first lever switch that is substantially lever-shaped, takes a substantially vertical orientation when not operated, and is swingable in the longitudinal direction of the seat as the predetermined direction.
The second movable part is a second operation switch that can swing in the seat front-rear direction around the second predetermined position,
The third movable portion is a substantially lever shape, and is a third operation switch that takes a substantially vertical posture when not operated and can swing in the front-rear direction of the seat,
One side of the said predetermined direction is a sheet | seat back, The seat apparatus characterized by the above-mentioned. In the sheet apparatus according to any one of claims 8 to 11,
The second movable part is formed in a concave shape,
The first movable part is disposed so as to contact the inner surface of the second movable part in the interlocking state,
The sheet apparatus according to claim 1, wherein the third movable part is disposed so as to contact an inner surface of the second movable part in the interlocked state. The seat device according to claim 1,
Each movable part is connected to a respective operation part, and is configured to move according to the movement of each operation part.
Each of the operation units is arranged to move independently without being in contact with each other.

Images