Summary of the invention
In this correlation technique, if the dimensional accuracy of seat and car body does not conform to, cannot connecting rod be assembled, so seat and car body need high dimensional accuracy, cause expense sharply to rise.In addition, if additive regulating unit, then the expense of this part sharply rises, and sharply rises with the expense of the part of additional assembling procedure.
The object of the present invention is to provide seat used for vehicle, maintain the function of cantilevered upset storage type when not using as seat, and can expense be reduced.
The solution of the present invention is a kind of seat used for vehicle, and seat cushion can turn to reception position from horizontal use location, and the purport of above-mentioned seat used for vehicle is to possess: cushion frame, and it supports above-mentioned seat cushion; Bracing or strutting arrangement, above-mentioned cushion frame is rotatably supported in the above-mentioned vehicle by it centered by the first rotary middle spindle; Pedestal, it stretches out downwards in the end side of above-mentioned cushion frame; Foot part, its for the seat cushion in above-mentioned use location is stood on the floor of the above-mentioned vehicle and the primary importance that keeps of level and along the seat cushion at above-mentioned reception position the second place between the foot part that is shifted by the rotation centered by the second rotary middle spindle, this foot part is fixed on above-mentioned second rotary middle spindle and can be supported on said base rotationally centered by above-mentioned second rotary middle spindle; First bar, its one end can be rotated centered by above-mentioned first rotary middle spindle, and the other end is provided with the first pin; Second bar, its one end is fixed on above-mentioned second rotary middle spindle and can be rotated centered by above-mentioned second rotary middle spindle, and the other end is provided with the second pin; Connecting rod, it is for one end is sold by above-mentioned first and can be supported on above-mentioned first bar rotationally, and the other end is sold by above-mentioned second and can be supported on the connecting rod of above-mentioned second bar rotationally, this connecting rod is the mode of movement along its length can be linked to above-mentioned first bar and above-mentioned second bar; 3rd pin, it is arranged at above-mentioned foot part; And force application part, it is be suspended on the force application part between above-mentioned 3rd pin and above-mentioned cushion frame, this force application part exerts a force to above-mentioned foot part to above-mentioned primary importance side in above-mentioned use location, and exerts a force to above-mentioned foot part to said second position side at above-mentioned reception position.
In addition, above-mentioned connecting rod also can possess be arranged on the above-mentioned other end sell above-mentioned second the elongated hole be supported for along above-mentioned length direction free floating.
According to such scheme, seat used for vehicle can be provided, owing to possessing the foot part carrying out being shifted, so seat and car body do not require high dimensional accuracy, can expense be reduced.
Accompanying drawing explanation
Fig. 1 is the block diagram being positioned at the seat used for vehicle of use location involved by an embodiment of the invention.
Fig. 2 is the front view of the front side to the seat cushion looked involved by II from Fig. 1.
Fig. 3 is that III of Fig. 2 amplifies instruction diagram.
Fig. 4 is the front view observed from the rear side to the seat cushion looked involved by IV of Fig. 1.
Fig. 5 is that V of Fig. 4 amplifies instruction diagram.
Fig. 6 represents Fig. 2 corresponding diagram being started by the seat cushion shown in Fig. 2 to lift to reception position (non-use position).
Fig. 7 represents to make the seat cushion shown in Fig. 6 more near Fig. 2 corresponding diagram of reception position.
Fig. 8 is Fig. 2 corresponding diagram representing the state (reception position) seat cushion shown in Fig. 7 being accommodated in side body.
Fig. 9 is that Ⅸ of Fig. 6 amplifies instruction diagram.
Figure 10 is that Ⅹ of Fig. 7 amplifies instruction diagram.
Figure 11 is that Ⅺ of Fig. 8 amplifies instruction diagram.
Figure 12 represents Fig. 5 corresponding diagram being started by the seat cushion shown in Fig. 5 to lift to reception position.
Figure 13 represents to make the seat cushion shown in Figure 12 more near Fig. 5 corresponding diagram of reception position.
Figure 14 is Fig. 5 corresponding diagram representing the state (reception position) seat cushion shown in Figure 13 being accommodated in side body.
Detailed description of the invention
The object that following seat used for vehicle is provided is achieved by following structure, this seat used for vehicle possesses when not using as seat by means of only lifting the operation of seat entirety and the foot part be shifted, seat and car body do not require high dimensional accuracy, can reduce expense.Namely, the seat cushion seat used for vehicle that can turn to reception position from horizontal use location possesses: cushion frame, and it supports above-mentioned seat cushion; Bracing or strutting arrangement, above-mentioned cushion frame is rotatably supported in the above-mentioned vehicle by it centered by the first rotary middle spindle; Pedestal, it stretches out downwards in the end side of above-mentioned cushion frame; Foot part, its for the seat cushion in above-mentioned use location is stood on the floor of the above-mentioned vehicle and the primary importance that keeps of level and along the seat cushion at above-mentioned reception position the second place between the foot part that is shifted by the rotation centered by the second rotary middle spindle, this foot part is fixed on above-mentioned second rotary middle spindle and can be supported on said base rotationally centered by above-mentioned second rotary middle spindle; First bar, its one end can be rotated centered by above-mentioned first rotary middle spindle, and the other end is provided with the first pin; Second bar, its one end is fixed on above-mentioned second rotary middle spindle and can be rotated centered by above-mentioned second rotary middle spindle, and the other end is provided with the second pin; Connecting rod, it is for one end is sold by above-mentioned first and can be supported on above-mentioned first bar rotationally, and the other end is sold by above-mentioned second and can be supported on the connecting rod of above-mentioned second bar rotationally, this connecting rod is the mode of movement along its length can be linked to above-mentioned first bar and above-mentioned second bar; 3rd pin, it is arranged at above-mentioned foot part; And force application part, it is be suspended on the force application part between above-mentioned 3rd pin and above-mentioned cushion frame, this force application part exerts a force to above-mentioned foot part to above-mentioned primary importance side in above-mentioned use location, and exerts a force to above-mentioned foot part to said second position side at above-mentioned reception position.
Below, based on Fig. 1 ~ Figure 14, the seat used for vehicle of the automobile involved by an embodiment of the invention and seat 1 are described.As shown in Figure 1, the state of the cushion frame 2 maintenance level being positioned at the seat cushion of the seat 1 of automobile is called state that passenger takes (hereinafter also referred to as using state, use time, use location.)。As shown in Fig. 8 and Figure 14, state vertical for cushion frame 2 is called be in passenger and cannot take state (also referred to as non-working condition, non-usage time, reception position.) situation.
By making seat 1 be in using state or non-working condition, can make in automobile, to become the different objective railway carriage or compartment of application target, loading space.As shown in Figure 1, when seat 1 is in using state, the place at seat 1 place is objective railway carriage or compartment.On the other hand, as shown in Fig. 8 and Figure 14, when seat 1 is in non-working condition, the place at seat 1 place shown in Fig. 1 is loading space, be in luggage and articles (omit diagram) can be loaded into automobile floor and base plate 8 on state.On the backrest frame 3 of the back of seat of cushion frame 2 and seat 1, be configured with the sleeve gasket, the epidermis that cover them.But these structures are well-known, so omit the description, while indicating cushion frame 2, also represent the meaning of seat cushion, while indicating backrest frame 3, also represent the meaning of back of seat.Therefore, in this specification, when mentioning seat 1, also refer to that cushion frame 2 and backrest frame 3 are covered with the state of sleeve gasket, epidermis.
Seat 1 possesses and is mutually folded the cushion frame 2 and backrest frame 3 that the earth's axis freely supports.Not shown headrest is arranged on backrest frame 3.Backrest frame 3 can by not shown tilt adjustment device free adjustment angle of inclination.
The cushion frame 2 being in the seat 1 of using state is closed loop quadrangle when observing from top.To base plate 8 outside bulging and the tyre gaiter inner panel 4 formed is fixed with bracing or strutting arrangement 6.Outside the left and right directions of cushion frame 2, SO is supported for by axle by the first rotary middle spindle 5 be arranged on bracing or strutting arrangement 6 and rotates freely around the first rotary middle spindle 5.At the left and right directions central portion side CL of cushion frame 2, foot part 7 is supported for by axle by the first rotary middle spindle 16 and rotates freely.Under the state that first rotary middle spindle 16 is in using state at seat 1, be positioned at than the first rotary middle spindle 5 and the top side UPW of cushion frame 2.At front side FR and the rear side RR of cushion frame 2, be hung with the spring 10 coming and going inflection with S shape and (be usually referred to as S word spring.)。2 Lock Parts engaged with the snap close 9 being arranged at base plate 8 (omit and illustrate) are provided with before and after the bottom of foot part 7.
Be in the backrest frame 3 of the seat 1 of using state from during front side being closed loop quadrangle.SO and left and right directions central portion side CL outside the left and right directions of backrest frame 3, is supported with the leaf spring 11 to rear side RR warpage a little.Though the using state of the seat 1 shown in Fig. 1 is objective railway carriage or compartment, under the non-working condition of the seat 1 shown in Fig. 8, base plate 8 exposes and becomes loading space, the position of seat 1 makes both separately use.In other words, the seat 1 being in non-use position refers to and covers seat 1 on base plate 8 as shown in Figure 8, does not cover the state on base plate 8, namely refers to the state of the position be accommodated in along not shown side body.
Bracing or strutting arrangement 6 is supported in by the rotatable earth's axis by the first rotary middle spindle 5, first bar 13.Pedestal 21 stretches out to the left and right directions central portion side CL of cushion frame 2.Pedestal 21 is supported in by the rotatable earth's axis by the second rotary middle spindle 15, second bar 14.First bar 13 and the second bar 14 are hung with connecting rod 12.The suspension part of connecting rod 12 possesses: be positioned at the first bar 13 side and axle supports the first pin 16 (the first rotary middle spindle 16) of the first bar 13; And be positioned at the second bar 14 side and the second pin 22 of support the second bar 14.In the hole that the end 12a that first pin 16 is supported in connecting rod 12 is formed.Second pin 22 on the length direction of connecting rod 12 by free floating be supported in the other end 12b of connecting rod 12 in the elongated hole 12c that formed.Elongated hole 12c also in the 12b side, the other end of connecting rod 12, but can not be arranged at a 12a side, end, can also be arranged at the two ends of an end 12a and the other end 12b.In addition, in present embodiment, the elongated hole 12c as elongated hole is adopted, as long as but the relation of support such as ground such as the structure free floating of the second pin 22, elongated hole 12c etc., then be all included within the scope of the present invention.
Foot part 7 is supported with by the rotatable earth's axis of the second rotary middle spindle 15 at pedestal 21.Second rotary middle spindle 15 is fixed on foot part 7 and the second bar 14.Foot part 7 and the second bar 14 rotate along with the rotation of the second rotary middle spindle 15.Namely, foot part 7 is rotated by the rotation of the second bar 14.In addition, the second bar 14, by the second pin 22, is subject to the power from connecting rod 12 and rotates.Determine from the first pin 16 to the distance of the elongated hole 12c of connecting rod 12, if make cushion frame 2 opening and closing (rotation between use location and reception position), then the second pin 22 is shifted relative to the position of the second rotary middle spindle 15.Specifically, the second pin 22 relative to the position of the second rotary middle spindle 15 from the position in the left side in SO and CL direction as shown in Figure 2 to the displacement on the right side in SO and CL direction as shown in figure 11.(the state of Fig. 1 when ratio second rotary middle spindle 15 of foot part 7 is by keeping a foothold; Primary importance) downside LWR be supported with the 3rd pin 18.Bracket 20 is supported with at the downside LWR of cushion frame 2.Between the 3rd pin 18 and bracket 20, be hung with coil spring (force application part) 17.One end 17a of coil spring 17 is engaging in bracket 20, and the other end 17b of coil spring 17 is engaging in the 3rd pin 18.
Coil spring 17 has so-called torsion bar function with the relation of foot part 7, and this torsion bar function, on the position relationship of coil spring 17 and the second rotary middle spindle 15, has or force in the direction that foot part 7 is opened, or forces in the change in direction of storage.As shown in Fig. 6, Fig. 9 and Figure 12, by cushion frame 2 from level attitude to storage direction lift initial, second rotary middle spindle 15 than coil spring 17 on the right side (the SO side, direction of Fig. 1), so as shown in white arrow in Figure 12, by coil spring 17 with the visual angle of Fig. 2 counterclockwise namely opening direction foot part 7 is exerted a force.
Secondly, as shown in Fig. 7, Figure 10 and Figure 13, when cushion frame 2 being lifted to storage direction further, coil spring 17 crosses the position of the second rotary middle spindle 15, becomes the state that the second rotary middle spindle 15 is positioned at the left side (the CL side, direction of Fig. 1) of coil spring 17.In this condition, reverse from the direction of Figure 12, as shown in white arrow in Figure 13, by coil spring 17 with the visual angle of Fig. 2 clockwise namely closing direction foot part 7 is exerted a force.And by this application force, foot part 7 moves to reception position.
As shown in Fig. 8, Figure 11 and Figure 14, when cushion frame 2 reaches reception position, foot part 7 is folded in reception position (second place).In this condition, as shown in the white arrow of Figure 14, by coil spring 17 with the visual angle of Fig. 2 clockwise namely closing direction foot part 7 is exerted a force.
According to the embodiment of the present invention, foot part 7 is shifted along with the rotation of cushion frame 2, so seat and car body do not require high dimensional accuracy, can reduce expense.In addition, when cushion frame 2 being rotated to reception position from use location, by its action, automatically foot part 7 can be accommodated in the position along cushion frame 2.Thus, when seat 1 does not use as seat, foot part 7 can also be folded by its operation along side body automatically by means of only lifting seat 1 entirety.And, when seat 1 uses as seat, launch on base plate 8 by means of only by seat cushion (cushion frame 2), just automatically foot part 7 can be expanded to the position that seat cushion (cushion frame 2) can be held in level attitude.Therefore, it is possible to provide the seat used for vehicle and seat 1 that make the operational stroke from use location to reception position, in addition from reception position to use location short.
In present embodiment, although describe seat 1 as the seat used for vehicle be arranged in automobile, the present invention is not limited thereto, seat 1 also can be arranged on the seat used for vehicle in other vehicle such as aircraft.In addition, overall and along the operation of side body although the description of lifting seat 1 when not using as seat, but the present invention is not limited thereto, also can be the operation of either party movement forwards, backwards.
Above, embodiments of the present invention are illustrated, but the invention is not restricted to above-mentioned embodiment, can all distortion be carried out.