JP2005119506A - Armrest to be used for vehicle seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an armrest for a vehicle seat capable of avoiding an interference with a bucket of a seat cushion when a seat back is inclined forward and avoiding an interference with a console box and a hand brake, etc. <P>SOLUTION: This armrest is provided with an armrest main frame 12 which is rotatably mounted on the side 44 of the seat back 42 at a root and oscillated to forward and backward inclined positions, an armrest cover frame 13 put on the armrest main frame 12 from the above and rotatably pin-connected to the tip of the armrest main frame 12 at the front end, a stopper pin 21 fixedly supported close to the tip of the armrest main frame 12, and circular-arc slots 22 fitted with the stopper pins 21 to guide the rear free end of the armrest cover frame 13 to the rear side of the seat back 42 in a state that the armrest main frame 12 is in a backward inclined position. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an armrest used for a vehicle seat, and more particularly to an armrest suitable for a folding seat of an automobile.

The folding seat of an automobile is designed so that the armrest can be attached and the posture can be easily maintained. The armrest is attached to the side of the seat back, and it is tilted forward to be used on the elbow, and it is stowed up and stored, so when the seat back is tilted forward on the seat cushion, The armrest has a problem of interfering with the bucket portion of the seat cushion. In particular, since the front seat has an armrest attached to the center side of the seatback, there is a problem that the armrest interferes with a console box, a hand brake, and the like.
Japanese Utility Model Publication No. 63-3259

  The object of the present invention is to avoid interference with the seat cushion bucket part when the seat back is tilted forward, and to avoid interference with the console box and hand brake on the front seat. It is to provide armrests for use in vehicle seats where possible.

  The present invention relates to an armrest main frame that is rotatably attached to the side of a seat back at the base and is swung to a forward and backward position, a cross-sectional groove by a top web and a pair of side flanges. An armrest cover frame formed in a shape, covered on the armrest main frame from above, and rotatably pinned to the tip of the armrest main frame at the front end, and the armrest main frame A stopper pin that protrudes on both sides of the armrest and is fixedly supported at a predetermined position near the tip of the armrest main frame, and a portion near the front end of the armrest cover frame corresponding to the stopper pin. The pair of armrests, covers, and frames in place Id flanges are drilled to fit both ends of the stopper pin, and the armrest cover frame can be rearwardly moved to the rear side of the seat back with the armrest main frame tilted backward. And a pair of arcuate slots that allow the ends to be guided.

  In this invention, the armrest frame is hinged to the armrest main frame at the base of the armrest, which is rotatably attached to the side of the seat back, and to the tip of the armrest main frame at the front end As it is assembled from the armrest cover frame, the armrest can be retracted to the rear side of the seat back, and when the seat back is folded forward and folded on the seat cushion, the armrest Interference with the bucket portion of the seat cushion can be avoided, and in the front seat, the armrest can also be prevented from interfering with the console box, hand brake, and the like. Further, according to the present invention, the armrest cover frame functions as an operation lever, and the safety of the armrest main frame, the armrest lock mechanism and the like is prevented from being exposed, thereby improving safety. .

  The armrest frame is hingedly assembled from the armrest main frame and the armrest cover frame so that they can be folded together. The armrest main frame is pivotally attached to the side of the seat back at the base and can swing between the forward and backward positions, while the armrest cover frame is formed in a cross-sectional groove shape And a pair of arc-shaped slots, and the armrest main frame is covered with the armrest main frame from above and is hinged to the front end of the armrest main frame so as to be rotatable. Fit the stopper pins of the armrest main frame. Then, the rear free end of the armrest cover frame is guided to the rear side of the seat back by the stopper pin and the arc-shaped slot in the state where the armrest main frame is tilted backward, and then the armrest cover frame is in the tilted position. The armrest can be retracted to the rear side of the seat back in the state.

  Hereinafter, an armrest used for a vehicle seat of the present invention will be described based on a specific example specified and illustrated. FIGS. 1 to 7 show a vehicle of the present invention which is used for a driver seat 40 of a passenger car. An embodiment 10 of the armrest used for the seat is shown, and the armrest 10 is finished by covering the armrest frame 11 with the pad 14 and the trim cover 15 and used for the driver seat 40. The driver seat 40 includes a seat cushion 41 incorporating a seat track 47, a seat back 42 supported by the left and right reclining devices (not shown) so that the seat cushion 41 can be tilted forward and the angle thereof can be adjusted, and It is assembled by a headrest 43 assembled to the seat back 42, and is mounted on the passenger car floor 50 by the seat truck 47 so as to be adjustable in the longitudinal direction.

  In the armrest 10, the armrest frame 11 is assembled from an armrest main frame 12 and an armrest cover frame 13, and the armrest main frame 12 includes an armrest bracket 16 and an armrest shaft 17. And is pivotally attached to the side 44 of the seat back 42 at the base, and is swung to the forward and backward positions using the fixed collar 25 and the movable collar 30, and further, the armrest cover frame 13. Is formed in a cross-sectional groove shape with a top web 18 and a pair of side flanges 19 and 20, and is placed on the armrest main frame 12 from above, and at the front end on the tip of the armrest main frame 12 rotation Further, the stopper pin 21 is protruded from both side surfaces of the armrest main frame 12 and fixedly supported at a predetermined position near the tip of the armrest main frame 12. In addition, a pair of arc-shaped slots 22, 22 correspond to the stopper pin 21 at a predetermined position near the front end of the armrest cover frame 13 and the pair of armrest cover frame 13. Holes are drilled in the side flanges 19 and 20 so that both ends of the stopper pin 21 are fitted, and the armrest main frame 12 is in the rearward position of the armrest main frame 12 and the armrest The rear free end of the cover frame 13 can be guided, and further, the arm Strike-cover frame lock mechanism (not shown), lock the armrest cover frame 13 angle adjustable to the armrest main frame 12.

  The armrest bracket 16 is fixedly attached to the frame side 46 of the seat back frame 45 by projecting the bearing 24 on the bracket surface 23, and the armrest shaft 17 is connected to the armrest main frame 12. And is fixedly attached to the base of the armrest main frame 12 and fitted to the bearing 24 so as to be fitted to the armrest bracket 16 and to the armrest bracket 16. The main frame 12 is rotatably mounted, and the fixed collar 25 has an armrest protruding from the end face 26 with a forward-turning detent surface 28 and a rear-turning detent surface 29 at appropriate intervals in the circumferential direction.・ Equipped with a stopper 27, and The movable collar 30 is fixedly mounted on the bearing 24. Further, the movable collar 30 projects a claw 32 on the end face 31, and is fixedly supported on the armrest shaft 17 and meshes with the fixed collar 25 in a butted state. As the armrest shaft 17 rotates, the claw 32 can be selectively detached from the forward rotation stop surface 28 and the rear rotation stop surface 29 of the armrest stopper 27. The armrest cover frame lock mechanism is a friction brake that uses a coil spring (not shown) at its pin joint at the front end of the armrest main frame 12 and at the front end of the armrest cover frame 13. The armrest main frame 12 has the arm The rest cover frame 13 angle adjustable lock.

  The bearing 24 uses a short pipe and is fixedly attached to the armrest bracket 16 on the armrest bracket 16 through one end of the pipe and protruding to the bracket surface 23, while the armrest shaft 17 is The bearing pipe 24 is inserted into the bearing pipe 24 to prevent it from coming off, and is rotatably supported by the bearing pipe 24.

  The armrest / cover / frame / lock mechanism is a friction brake with a pair of grommets (not shown) fitted to the stopper pin 21, the arc-shaped slots 22, 22 and the arc-shaped slots 22, 22. It can be configured.

  In this armrest 10, 33 is a hinge pin, 34 is a speed nut, 35 is a bush, 36 is a bush, 37 is a speed nut, 38 is a bush, and 38 is a bush.

  Therefore, the armrest 10 is swung to the forward position as shown in FIG. 1 and is used on the elbow of the driver. In doing so, the armrest 10 operates the armrest cover frame 13 covered with the pad 14 and the trim cover 15 to raise and lower its rear free end of the armrest cover frame 13, and The height can be adjusted to the driver's preference. Further, the armrest 10 is swung to the jumping position as shown in FIG. 2 and stored in the side 44 of the seat back 42.

  Further, when the seat back 42 is folded forward and folded onto the seat cushion 41 as shown in FIG. 3, the armrest 10 is first swung to the rearward position, and then The armrest cover frame 13 covered with the pad 14 and the trim cover 15 is operated to stop the armrest cover frame 13 on the rear side of the seat back 42 with the stopper pin 21 and the arc-shaped slots 22 and 22. 13 rear free ends are guided. Then, the armrest 10 is retracted to the rear side of the seat back 42 in a state of being tilted thereafter. In this state, the seat back 42 is tilted forward and folded on the seat cushion 41. At that time, the armrest 10 can avoid interference with the bucket portion of the seat cushion 41, and can also avoid interference with the console box, hand brake, and the like.

  Further, the armrest, cover, and frame 13 of the armrest 10 function as an operation lever, and hardware means such as the armrest, main frame 12, and the armrest, cover, frame, and lock mechanism are not exposed. Safety is improved. Still further, the armrest 10 can be adjusted in height by the armrest cover frame 13 being locked to the armrest main frame 12 by the lock mechanism so that the angle can be adjusted.

  As will be apparent from the specific embodiments of the present invention described above with reference to the drawings, for those of ordinary skill in the art to which the present invention pertains, It is easily embodied in another embodiment that derives from the nature and the nature of the invention and is objectively recognized as having them inherent. Of course, the content of this invention corresponds to the problem of the invention (be recommend with) and is essential for the establishment of the invention.

  As can be understood from the above, the armrest used in the vehicle seat of the present invention is rotatably attached to the side of the seat back at the base and is swung to the forward and backward positions. The top web and a pair of side flanges are formed in a cross-sectional groove shape and are placed on the armrest main frame from above, and are rotatably pinned to the tip of the armrest main frame at the front end. An armrest cover frame, a stopper pin protruding from both side surfaces of the armrest main frame and fixedly supported at a predetermined position near the tip of the armrest main frame, and a stopper pin Corresponding to the front end of the armrest cover frame The pair of side flanges of the armrest cover frame are drilled at predetermined locations to fit both ends of the stopper pin, and the seat rests in the state where the armrest main frame is in the rearward position. The armrest used in the vehicle seat according to the present invention is retracted to the rear side of the seat back because the rear side of the back includes a pair of arc-shaped slots that can guide the rear free end of the armrest cover frame. It is possible to avoid interfering with the bucket portion of the seat cushion when the seat back is folded forward and folded on the seat cushion. Interference with boxes and hand brakes is avoided, In addition, the armrest cover frame functions as an operating lever, and the hardware means such as the armrest main frame and its locking mechanism are not exposed, improving safety, and as a result, for vehicle seats, especially folding seats. Very useful and practical.

It is the side view which showed the driver's seat of the passenger car which is using the specific example of the armrest used for the vehicle seat of this invention, and has been put in the state of the front-end position. It is the side view which showed the driver seat which has put the armrest in the state of a raising position. It is the side view which showed the driver seat which has put the armrest in the state of a backward position. It is the disassembled perspective view which omitted the pad and the trim cover and showed the armrest. It is the end elevation which showed the fixed collar. It is an end view showing a movable collar. It is the side view which showed the forward-falling state, the backward-falling state, and the retracted state of the armrest.

Explanation of symbols

11 Armrest frame
12 Armrest main frame
13 Armrest, cover, frame
16 Armrest bracket
17 Armrest shaft
18 Top Web
19 Side flange
20 Side flange
21 Stopper pin
22 Arc slot
24 Bearing
25 fixed color
26 End face
27 Armrest stopper
28 Anti-rotation surface
29 Anti-rotation surface
30 movable color
31 End face
32 nails
40 Driver seat
41 Seat cushion
42 Seat back
44 side
45 Seat back frame
46 frame side

Claims (5)

  It is rotatably mounted on the side of the seat back at the root, and is formed into a cross-sectional groove shape with an armrest main frame that swings forward and backward and a top web and a pair of side flanges The armrest cover frame that is covered with the armrest main frame from above and is rotatably pin-coupled to the tip of the armrest main frame at the front end, and on both sides of the armrest main frame A stopper pin that is protruded and fixedly supported at a predetermined position near the tip of the armrest main frame, and a predetermined position near the front end of the armrest cover frame corresponding to the stopper pin The pair of side frames of the armrest cover frame The stopper pin is fitted in both ends, and the rear end of the armrest cover frame is placed on the rear side of the seat back in the state where the armrest main frame is tilted backward. An armrest for use in a vehicle seat that includes a pair of arcuate slots that allow guidance.   An armrest bracket that is fixedly attached to the frame side of the seat back frame by projecting a bearing on the bracket surface, and a base of the armrest main frame that projects from one side of the armrest main frame An armrest shaft that is fixedly attached to the bearing and that is rotatably fitted to the bearing and rotatably attaches the armrest main frame to the armrest bracket, and an anti-rotation surface that is forwardly tilted at appropriate intervals in the circumferential direction. It has an armrest stopper that protrudes to the end surface with a back-turning detent surface, and a fixed collar that is fixedly mounted on the bearing, and a nail that protrudes to the end surface, and is fixed on the armrest shaft Supported and butted And a movable collar that is engaged with the collar and that allows the claws to be selectively removed from the front and rear anti-rotation surfaces of the arm rest stopper as the arm rest shaft rotates. An armrest used for the vehicle seat according to claim 1.   The armrest used for the vehicle seat according to claim 1 or 2, further comprising an armrest-cover-frame-locking mechanism that locks the armrest-cover-frame so that the angle of the armrest-cover-frame can be adjusted to the front end side of the armrest-main frame.   4. The vehicle according to claim 3, wherein the armrest cover frame lock mechanism is a friction brake disposed at the pin joint at the tip of the armrest main frame and the front end of the armrest cover frame. Armrest used for seats.   The armrest, cover, frame, and lock mechanism are configured as a friction brake by the stopper pin, the pair of arc-shaped slots, and the pair of grommets that are assembled to the pair of arc-shaped slots. Armrest used for the described vehicle seat.

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