JPH0558067U - Car seat armrests - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the ease of assembly of the armrests of automobile seats. [Structure] In an armrest 2 pivotally supported around a horizontal shaft 3 provided on a side portion of a seatback 11 of a vehicle seat 1, the side portion of the seatback 11 is integrated with the seatback 11 in a horizontal direction. A shaft 3 is provided so as to project in the vehicle width direction, and a pipe 21 fitted to the horizontal shaft 3 is internally provided in the armrest 2 so as to be integrated with the armrest 2, and an outer periphery of an end portion of the pipe 21 on the seatback 11 side. A hinge cover 4 is integrally attached to the armrest 2, and the horizontal shaft 3 at a portion located in a gap between the armrest 2 and the seatback 11 when the armrest 2 is attached to the seatback 11 is the hinge cover 4 Is covered by.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to an improvement in an armrest of a vehicle seat.

[0002]

[Prior Art]

 As shown in FIG. 5, a seat 1 for an ordinary automobile is composed of a seat bottom 12 which is a seat and a seat back 11 which is a backrest. The seat back 11 of such a seat 1 is often provided with an armrest 2 for resting the elbow.

Conventionally, the armrest 2 is rotatably supported via a hinge cover 4 on a horizontal shaft 3 provided in a side portion of the seat back 11 so as to project in the vehicle width direction, and a tip of the horizontal shaft 3 is a washer. A nut 34 is screwed through 33 to prevent the armrest 2 from falling off the horizontal shaft 3. The hinge cover 4 is used to shield various components provided between the armrest 2 and the seat back 11 from an external visual field.

[0004]

[Problems to be solved by the device]

 By the way, in the conventional armrest 2 as described above, the hinge cover 4 which is completely separate from the seatback 11 and the armrest 2 must be attached to the protruding portion of the horizontal shaft 3 which is embedded in the seatback 11 in advance. However, the assembling property in the assembling process was not so good.

The present invention has been made to solve the above problems, and an object thereof is to provide an armrest having an improved assembling property.

[0006]

[Means for Solving the Problems]

 An armrest of an automobile seat according to claim 1 of the present invention is an armrest pivotally supported around a horizontal axis provided on a side portion of a seatback of an automobile seat, the armrest being provided on a side portion of the seatback. Is provided with a horizontal shaft integrally projecting with the seat back in the vehicle width direction, and a pipe fitted into the horizontal shaft is internally provided in the armrest so as to be integrated with the armrest. A hinge cover is integrally attached to the armrest on the outer periphery, and the horizontal axis of the portion located in the gap between the armrest and the seatback when the armrest is mounted on the seat back is covered by the hinge cover. It is characterized by.

[0007]

[Action]

 According to the armrest for an automobile seat of the above-mentioned claim 1, a horizontal shaft integral with the seatback is provided on a side portion of the seatback so as to project in the vehicle width direction, and a pipe fitted to the horizontal shaft is mounted on the armrest. Is integrally installed with the armrest, a hinge cover is integrally attached to the armrest on the outer periphery of the seat back side end of the above pipe, and the armrest and the seatback are attached to the seatback. Since the horizontal axis of the portion located in the gap between and is configured to be covered by the hinge cover, the armrest provided with the hinge cover is fitted to the horizontal axis protruding from the side portion of the seat back. As a result, the armrest can be easily attached to the seat back.

[0008]

【Example】

 1 is an exploded perspective view of an automobile armrest according to the present invention, and FIG. 2 is a sectional view taken along line AA of FIG. 1 in which the armrest is in an upright state. In FIG. 1, the two-dot chain line shows the state in which the armrest 2 is housed in the side portion of the seat back 11 of the horizontal shaft 3, and the armrest 2 shown by the solid line is pulled out so as to project to the front of the seatback 11. The state is shown.

As shown in FIG. 1, a vehicle seat 1 is composed of a seat back 11 and a seat bottom 12. A frame 13, which is a skeleton, is provided inside the seat back 11, and a bracket 14 is fixedly provided on an outer side portion of the frame 13. As shown in FIG. 2, a fitting hole 14a is bored in the center of the bracket 14, and the base end side of the horizontal shaft 3 is fitted into the fitting hole 14a and welded on the back side of the bracket 14. (Welding part 3a) The horizontal shaft 3 is fixed to the bracket 14.

A pair of locking rods 14b are provided on a diagonal diagonal line centered on the fitting hole 14a, and the seat back 11 is covered with the trim 15 except for the central surface of the bracket 14. , The surface of this central part is exposed to the outside.

On the other hand, a pipe 21 that penetrates horizontally in the vehicle width direction and is integrated with the armrest 2 is provided at the base end portion of the armrest 2. The hinge cover 4 and the lock assembly 5 are screwed together with the frame 22 of the armrest 2 in a state where the hinge cover 4 and the lock assembly 5 are inserted into the pipe 21 integrated with the armrest 2.

That is, the frame 22 of the armrest 2 is exposed on the side surface of the armrest 2 on the side of the seat back 11, and the lock assembly 5 is attached to the frame 22 with screws 51. A through hole 52 suitable for the base end portion of the horizontal shaft 3 to penetrate is bored, and a pair of crescent-shaped holes corresponding to the locking rods 14b erected on the bracket 14 are formed above and below the through hole 52. The guide groove 53 is provided. The guide groove 53 is set so as to form an arc having a central angle of approximately 110 ° to 120 °.

The pipe 21 is fitted into the horizontal shaft 3, and the armrest 2 is set to be rotatably supported around the horizontal shaft 3. A male screw 32 is screwed on the free end side of the horizontal shaft 3, and a nut 34 is screwed onto the male screw 32 via a washer 33. By tightening the nut 34, the armrest 2 is secured. The seat back 11 is rotatably attached.

The peripheral portion of the lock assembly 5 is bent to the right to form an inner roller toward the right, in which a central portion is bent as shown in FIGS. 3 and 4. A flat plate-like locking plate 55 is provided. The locking plate 55 is pivotally supported by a support shaft 54 provided on the lock assembly 5, and is rotatable around the support shaft 54 along the inner surface of the lock assembly 5. One end of a coil spring 56 is attached to the tip of the locking plate 55, and the other end is attached to a part of the lock assembly 5. The coil spring 56 causes the locking plate 55 to rotate counterclockwise around the support shaft 54. Is urged by.

A hinge cover 4 is attached by a screw 41 to the side surface of the lock assembly 5 on the seat back 11 side. A circular hole 42 is provided at the center of the hinge cover 4, and the diameter of the circular hole 42 is slightly larger than the distance between the pair of locking rods 14 b provided on the bracket 14. A sleeve 4a protruding toward the seat back 11 is provided around the circular hole 42, and the sleeve 4a serves to press the trim 15 of the seat back 11.

With the lock assembly 5 and the hinge cover 4 attached to the side portion of the armrest 2 on the seat back 11 side as described above, the surface of the hinge cover 4 is shaped like a donut by the armrest trim 24 as shown in FIG. It is covered.

Further to the right of the right end of the horizontal shaft 3, there is provided a lid 23 that closes a portion of the armrest 2 including the male screw 32, the washer 33, and the nut 34 that is fastened to the horizontal shaft 3 so as not to be seen from the outside. ing.

Next, the positional relationship between the lock assembly 5 and the locking rod 14b of the bracket 14 according to the present invention will be described with reference to FIGS. 3 and 4. FIG. 3 is an explanatory side view showing the state of the lock assembly 5 when the armrest 2 stands upright on the side of the seatback 11, and FIG. 4 shows the armrest 2 tilted forward (leftward) of the seatback 11. It is explanatory drawing of the side view which shows the state of the lock assembly 5 in the case of being.

First, when the armrest 2 is upright, as shown in FIG. 3, the upper locking rod 14b is located at the left end of the upper guide groove 53 of the lock assembly 5, and the lower guide groove 53 is positioned. The lower locking rod 14b is located at the right end of 53 to prevent the armrest 2 from rotating further clockwise.

The lower locking rod 14b is fitted into a locking groove 55a provided inside the bent portion of the locking plate 55, and the locking plate 55 is rotated clockwise around the support shaft 54 by a coil spring 56. The lower locking rod 14b is engaged with the locking groove 55a of the locking plate 55, and thereby the armrest 2 is locked so as not to fall forward.

When a counterclockwise force is applied around the horizontal axis 3 to the armrest 2 in such a state, the locking rod 14b moves the locking plate 55 so as to get over the ridge in front of the locking groove 55a. In order to press, the locking plate 55 rotates counterclockwise around the support shaft 54 against the biasing force of the coil spring 56, the locking of the locking rod 14b with respect to the locking groove 55a is released, and the armrest 2 is removed. It rotates around the horizontal axis 3 in the counterclockwise direction, and thereafter the locking rod 14b relatively moves along the inner surface of the locking plate 55, so that the armrest 2 is projected forward as shown in FIG. Become. In this case, one end of the guide groove 53 of the locking plate 55 abuts on the locking rod 14b to prevent the armrest 2 from rotating any further.

That is, when the armrest 2 is tilted forward, as shown in FIG. 4, the upper guide groove 53 of the lock assembly 5 is rotated counterclockwise around the horizontal axis 3 of the seat back 11. As a result, the upper guide rod 53 is located at the upper end thereof, and the lower guide groove 53 is also located at the right end thereof. The locking rod 14b is in a position. The lower locking rod 14b is disengaged from the locking groove 55a provided inside the bent portion of the locking plate 55 and is in contact with the lower linear portion.

Since the armrest according to the present invention is configured as described above, when the armrest 2 is assembled to the seat back 11, the pipe 21 of the armrest 2 to which the hinge cover 4 and the lock assembly 5 are previously attached is attached to the horizontal axis. The armrest 2 can be easily attached to the side portion of the seatback 11 by fitting the armrest 2 into the seatback 3 and fastening the nut 34 through the washer 33.

As described above, since the hinge cover 4 is previously integrally attached to the armrest 2, a separate hinge cover is prepared as in the conventional case, and this separate hinge cover is provided around the horizontal axis 3 of the armrest 2. The armrest 2 can be assembled to the seat back 11 without the troublesome operation of mounting the armrest 2 on the horizontal shaft 3 after assembling. In the assembled state, the hinge cover 4 reveals a state in which the gap between the armrest 2 and the seat back 11 is covered.

When the armrest 2 protruding in the front of the seatback 11 in the state shown in FIG. 4 is erected and stored in the side portion of the seatback 11, the armrest 2 is rotated around the horizontal axis 3 in reverse order to the above. It may be rotated in the direction. Then, the locking rod 14b relatively moves so as to slide on the inner surface of the locking plate 55 and fits into the locking groove 55a in a state where the armrest 2 is almost upright, and the stable upright position of the armrest 2 is maintained. You can set the state.

[0026]

[Effect of the device]

 As described above, in the armrest for a vehicle seat of the present invention, a horizontal shaft integral with the seatback is provided on the side portion of the seatback so as to project in the vehicle width direction, and the armrest has a pipe fitted to the horizontal shaft. Is installed so that it is integrated with the armrest, and a hinge cover is integrally attached to the armrest on the outer periphery of the seat back side end of the above pipe, and the armrest and seatback are mounted with the armrest attached to the seatback. Since the horizontal axis of the portion located in the gap between the two is configured to be covered by the hinge cover, the armrest provided with the hinge cover is fitted to the horizontal axis protruding from the side portion of the seat back. The armrest can be easily attached to the seat back by inserting it.

In addition, since the hinge cover and the lock assembly are attached to the side portion of the armrest in advance, and the positional relationship between the hinge cover and the lock assembly is fixed only by associating the hinge cover and the lock assembly with the seatback bracket. It is not necessary to use unnecessary care to determine the positional relationship of, and it can contribute to shortening the assembly time.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an automobile armrest according to the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1 showing a state in which an armrest is fixed to a seat back.

FIG. 3 is an explanatory side view showing a state of the lock assembly when the armrest stands upright on a side portion of the seat back.

FIG. 4 is an explanatory side view showing a state of the lock assembly when the armrest is tilted forward (leftward) of the seat back.

FIG. 5 is an exploded perspective view of a conventional vehicle armrest.

[Explanation of reference numerals] 1 seat 11 seat back 12 seat bottom 13, 22 frame 14 bracket 14a fitting hole 14b locking rod 15 seat back trim 2 armrest 21 pipe 23 lid 24 armrest trim 3 horizontal shaft 3a welded portion 32 male screw 33 Washer 34 Nut 4 Hinge cover 4a Sleeve 41, 51 Screw 42 Circular hole 5 Lock assembly 52 Through hole 53 Guide groove 54 Support shaft 55 Locking plate 56 Coil spring

Claims (1)

[Scope of utility model registration request] 1. An armrest rotatably supported around a horizontal axis provided on a side portion of a seat back of an automobile seat, wherein a horizontal axis integral with the seat back is provided on a side portion of the seat back. Provided in the armrest, a pipe fitted to the horizontal shaft is internally provided so as to be integrated with the armrest, and a hinge cover is integrally attached to the armrest on an outer periphery of an end portion of the pipe on the seat back side. An armrest for an automobile seat, wherein the horizontal axis of a portion located in a gap between the armrest and the seatback in a state where the armrest is mounted on the seatback is covered by the hinge cover.