JPS608123A - Lifter device for seat - Google Patents

Abstract

PURPOSE:To make the height of a seat part adjustable separately in front and in the rear and its control ever so easy, by making a lifter device separate in front and in the rear, while installing a mechanism, consisting of a link, a tooth groove plate, a connecting rod and a gear, in the rear part. CONSTITUTION:A lifter device consisting of an interlocking shaft 11, each of links 21 and 41 and a tooth groove link 31 is installed in a front end part of a cushion frame 1. An interlocking shaft 12, a link 22 and a bent link 32 are all installed in a rear end part of the cushion frame 1, while a connecting rod 60 is rotatably attached to an end part which locks the interlocking shaft 12 of the bent link 32. This connecting rod 60 is rotatably attached to a tooth groove plate 61 as well, and then a gear 64 engaging a tooth groove of the tooth groove plate 61 is rotatably attached to a setting part 62. The gear 64 is secured tight to a shaft 7 which is in turn attached to an operating part 8.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a seat-rest lid neck-mounted device that can adjust the height of a portion of the seat according to the body shape, preference, etc. of a seated person.

[Prior art]

The lifter device that lowers the seat is Tap /
, 1 has been implemented, but the link (large Ir?I'
A edition II] (There is one shown in Fig. 1. This IJ softer device 100 has a seat part that makes up the seat.)
A link 103.1 (14) is installed between the storage room 101 and a slide frame 102 placed on a vehicle body, etc., and the upper ends of the links 10.3 and 104 are connected by a rod 105. Do Cook' Gino 1 Norm 101 Which rotation axis 10G and link 10: Nl and link rod 105
The plate 108 is removed from the rotating shaft 10a. Further, a tooth groove is formed at one end of the plate 108, and the plate 108 is rotatably attached to the frame 101 through this tooth groove. Rotate play 1-108 by rotating 100 U, S〉・ri 103.10zl!
:'J) The cushion frame 101 is raised and lowered by a four-bar link composed of a Z-bar 105 and the like. This lifter device 100 is convenient because it can raise and lower the outside by making the gear 109 rotate ffi, but since the entire seat moves in parallel, it is not possible to adjust the height of the front and back of the seat. It is something that cannot be done.

In addition, in order to move the entire seat upward and backward at the same time, the operating distance for the ten gears must be large and the locks for the ten gears must be strong.

〔the purpose〕

The present invention has been made in view of the above-mentioned conventional circumstances, and an object of the present invention is to provide an easy-to-operate lift-off device in which the height of the seat can be adjusted separately for the front and back.

(Structure) In order to achieve the above-mentioned object, the present invention makes the rifuku device independent in the front and rear, and connects the lifter, the tooth groove play 1~, and the connecting rod that connects them. And 1■
It consists of a gear that rotates the groove plate.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.
FIG. 2 shows an exploded perspective view of the rifuku device 10 which is an embodiment of the present invention.At the lower ends of both sides of the rectangular cushion frame 1 constituting the seat portion, there are a left side flavor 2 and a right side flavor 2. The frame 3 is fixed. One end of a link 21 is rotatably fixed to the front end of the left frame 2, and one end of a link 22 is rotatably fixed to the rear. , 4 facing the link 21 of the right frame 3
Q 1 piece (, 1°) One end of the tooth space link 31 is rotatably fixed, and a bending link 3 is provided at a position facing the link 22.
The middle part of 2 is rotatably fixed. The interlocking shaft 11 is rotatably fixed between the other end of the lifter 21 and the intermediate part of the tooth space link 31, and the interlocking shaft 11 is rotatably fixed between the other end of the link 22 and one end of the bending link 32. 11112 is rotatably fixed to the left frame 2 of the ring 21 (on the pulled side, the upper end of the link 41 is rotatably attached, and the lower end of the link 41 is attached to the bracket/I
It is rotatably supported at the front part of the slide rail 4 via 2. In other words, the link 2111 is rotatably supported at the front of the slide rail 4 via the link 41 and the Braun 1 42. Similarly, link 2
2 is attached to the rear of the slide rail 4 through Brown [43], tooth groove link 31;
2 to the front of the slide rail 5, a bending link 32
are rotatably supported at the rear of the slide rail 5 via Braun [-53. In addition, in the tooth groove 33 formed at the other end of the tooth ii1'i link 31, a lock pin 35 of a lock plate 34 rotatably attached to the front part of the right side frame 3 is attached. It is now possible to do so. This lock bin 35 passes through the L1 lock plate 34 and extends to the right frame 3, and protrudes outward from a long hole 3G on the side of the right frame 3. The protruding lock pin 35 is inserted into a long hole 38 of a lever 37 rotatably attached to the right side frame 3. long hole 3
8 has a curved shape, and the lever 37 is pulled upward.
] - On the opposite side, this long hole 38 IJI-, 1 Tsukubin 3
5 is guided, the lock play 1-34 rotates, and the engagement between the 1-piece lock pin 35 and the teeth fFi 33 is released. Note that the lever 37 +J, is constantly pulled in the downward direction by a tension spring, etc.
3 and 3 become engaged.

Further, one end of a connecting rod 60 is attached to the rotating shaft 7E at the end of the rear bending link 32 to which the interlocking shaft 12 is fixed, and the other end of the connecting rod 60 is attached to a toothed RIS brush.-1. 61 so that it can rotate freely. The tooth groove notebook 61 is rotatably mounted inside a mounting portion 62 formed in an inverted U''?'1/: inside the right side frame 3 (';J' t:J l
~・It is. Furthermore, the mounting part G2 has a tooth and groove brake 1.
The gear G4 that fits into the tooth groove 63 of 61 and ll11 is rotatable (
,=attached. The rotation of this gear 64 causes the tooth space plate 61 to rotate and the connecting rod GO to stop.
The link 32 is rotated (11z is roaring. In addition,
The gear 64 is fixed to one end of the shirts 1 to 7 which are rotatably provided on the right frame 3, and the other end of this gear 71-7 is attached to the operating section 8 outside the right frame 3.
The shaft 7 is rotated in 11 directions by the operation part 8. Next, the configuration of the operation section 8 will be explained. The configuration of the operation section 8 described below is just an example, and any structure that can rotate and lock the seat 71-7 may be used as a cap section.

As shown in FIG. 3, the operating section 8 is inserted into the center of the drum 81, which is attached to the right side frame 3 Collar 82 to be inserted and 1 in drum 81
■ A hole that is inserted and usually has a larger diameter than the drum 81, and a guide piece 84.
and a holder 8G, in which shafts that rotatably support the through holes 85 of these guide pieces protrude from the left and right sides, and protrusions that can be freely held on the guide pieces 84+84' are formed, and a drum 8.
1 rotatably covered, and an n through hole Q is provided at the outer end of the shaft 7.
7a and washer 1p (37h); an action plate 1-88 having a protrusion 88a that is fixed to the inside of housing 87 and comes into contact with guide piece 84'; It consists of a fixed operating lever 80.

I'+4n of the operating section configured in this way will be explained. First, when the operating lever 804 is pulled upward, a rotational force is applied to the action plays 1 to 8S through the housing 87, the protrusion 08a pushes the guide j184', the outer diameter of the lock spring 83 becomes smaller j3, and the drum 81
The drifting force between the frF piece 84' is reduced, and the frF piece 84' is rotated, and the guide piece j and the reholder 86 are rotated, and the shirt is rotated.
-7 and gear 6/I are rotated. Also, the sweeping lever 80
17 rotations, f to the lock spring 83
Since the force m'' is removed i', the lock spring 83
Due to its own spring force, the diameter becomes larger and presses against the inside of the drum 81, applying a rubbing force and causing the shift 7 to rotate. Therefore, shirts 1-7
is designed to be rotated only when the operating lever 80 is pulled up. Furthermore, in order to rotate the SITOFF l-7 in the opposite direction to the above case, by pressing down the operating lever 88,
The shirts 1 to 7 are rotated in the opposite direction by performing a movement opposite to the movement 1'1.

Next, 1 of 10 of the glue lid position of this invention? "Explain the purpose)
. FIG. 4 is a diagram showing a state in which the cushion frame 1 is lowered by m, and the front lifter 4 is moved by sweeping the lever 37.
, the rear lifter is activated by operating the control lever 09. First, when the lever 37 is pulled 1", one lock pin 35 is guided by the long hole 381 of the lever 37 and is removed from the tooth groove 33, so the tooth groove link 31 becomes rotatable and the cushion 3] is attached to the frame. 1. The height of the front part can be adjusted. Once the desired height is achieved, move the lock pin 35 to the tooth groove 33 using the lever 37.
are fitted, the tooth space link 31 is fixed, and the cushion frame 1 can be fixed at a desired height.

To reduce the height of the thread part of the cushion frame 11 by 1, pull up the 8 operating levers and rotate the 7 to the shirt 1, and rotate the gear G/I to reduce the tooth space plate 6.
Rotate 1. When the tooth space plate T-61 rotates, the bending link 32 connected by the connecting rod 60 rotates, and the bag portion of the cushion frame 1 is raised (see Fig. 5).
,,Conversely, if you push down the operating lever 89, shift left 7,
Since the gear 64 and the i°111 groove play upper plate 61 link 32 are rotated in the opposite direction, the cushion frame 1 moves +1:ζ.

In addition, 7 on the front of cushion frame 1? Figure to bribe, -2.
The mechanism is not limited to the above embodiments,
For example, as shown in Figures 6 to 9, J:
stomach. In Figure 6, instead of link 51, go to book 1 52
A long hole 52a is provided in (), and the tooth space link 3 is inserted into this long hole 526.
1A pin 31a is engaged to move the +45+ near/i-link 31A. 8th
The figure shows the rack 33a and pinion 3IIa in which the teeth ir/+ and [1] of the gear shown in FIG. 6 are replaced. Furthermore, FIG. 9 shows the embodiment shown in FIGS. 24 and 4.5, with the mounting direction of the tooth space link 3 (1) being reversed. In addition, other (j4 configurations) are not limited to the above embodiments, and may be modified without departing from the gist of the present invention. As described above, the present invention provides a lifter device consisting of a lifter R+s for raising and lowering the rear part of the seat J! A tooth width that is rotatably attached to the middle part of the side of the cushion frame that constitutes the seat, and a tooth width that is rotatably attached to the side of the cushion frame.
One end is rotatably attached to the floor or slide rail to the tooth groove brake 1 in which the tooth groove that meshes with the gear is formed, and the middle part is rotatably attached to the cushion frame, and one end is rotatably attached to the link 7, and the other end is rotatably attached to the link 7. The height can be adjusted independently to suit various factors such as the person's body shape and preferences.In addition, by combining links and gears, it is possible to adjust the height of the
You can operate the robot while maintaining your position. moreover.

By changing the pitch between the gear and the tooth space, the deceleration can be changed to the inside of the cylinder, and the operating force can be easily reduced.

[Brief explanation of the drawing]

Fig. 1 is a side view showing a conventional lifter device; Fig. 2 is an exploded perspective view of a lifter station showing an embodiment of the present invention;
Figure 3 shows an example of the operation section F+7 &? I r! Figures 4 and 5 are 1111 side views showing the operation of this embodiment, and Figures 6 to 9 are 1-57 woo 1-1 of the front part.
FIG. 3 is a side view showing another embodiment of the structure. 1...Cushion frame, 4.5...Slide rail, 32...Bending link, 60...Connecting rod, 61... Teeth) t play 1-1 64...Gear. Applicant Ikeda Bussan (JL, Ceremony agent Patent attorney Increase 11.1 Fisherman Figure 1 Figure 3 Figure 7 Figure 4 Figure 6 Figure 7 Figure 8 Figure 9

Claims (1)

[Claims] 1. Lifter t for lowering the front part of the 11ir seat part
ffl 4f6 and a lifter (Iku (j
J]-C1 The rear glue-lid mechanism is attached to the lifter device consisting of J]-C1, and the seat is rotatably attached to the middle part of the side of the shoe-seat frame made of J-C1. -g:yj is rotatably attached to the floor or lit slide rail to the tooth groove plate 1, which is rotatably attached to the side of the flywheel 11 and forms a tooth groove that meshes with the gear. f"[], and the intermediate part is rotatably attached to the shoe frame (with a link that is pulled), and 1^1.1; is rotatably attached to the tooth 1iI11 play 1- (J is attached, If! ! A seat lid device comprising: a connecting rod from which a CMi is rotatably attached to the link;