JP6146352B2 - Armrest device for vehicle seat - Google Patents

Description

  The present invention relates to an armrest device for a vehicle seat.

  As an armrest device for a vehicle seat, for example, as disclosed in Patent Document 1, an armrest body is known in which a height can be adjusted by a support mechanism. That is, in Patent Document 1, a support mechanism that supports the armrest body so that the height can be adjusted includes a main arm that is rotatably connected to the shaft, a support arm that is fixed to the armrest body (main body member), a main arm, It is comprised by the link structure which consists of a pair of connection arm rotatably connected with respect to the arm and the support arm. The armrest main body (main body member) is in a horizontal state of the armrest portion between the first position where the armrest portion is closest to the shaft and the second position where the armrest portion is farthest from the shaft by the support mechanism. Translation is allowed while maintaining.

JP 2009-173059 A

  By the way, in the vehicle seat armrest device disclosed in Patent Document 1, the support mechanism that supports the armrest body so that the height can be adjusted is configured by a link structure including a main arm, a support arm, and a pair of connecting arms. Therefore, the structure is complicated, the number of parts and the number of assembling steps are increased, and the cost is increased.

  In view of the above problems, an object of the present invention is to provide an armrest device for a vehicle seat that can adjust the angle and / or height of an armrest body with a very simple structure.

In order to solve the above problems, an armrest device for a vehicle seat according to a first invention of the present invention is an armrest device for a vehicle seat provided with a seat cushion and a seat back,
A base portion of an armrest body is rotatably attached to a lower portion on the front side of the seat back, and a storage position in which the armrest body is stored along the front side of the seat back by a rotation operation of the armrest body, The position of the armrest body is switched to the use position extending along the upper surface of the seat cushion, and the armrest body is provided with an operation lever for rotating the armrest body arranged at the storage position toward the use position. The operation lever is switchable between a lying position lying along the armrest main body and a standing position protruding from the armrest main body, and the armrest main body is in a state where the armrest main body is arranged at the use position. Further, the operating lever protrudes from the lying position, the armrest body, and the seat cushion. By being placed switched to the upright position abutting the the upper surface, characterized in that the angle and / or height of the armrest body are then configured to be adjusted.

  According to the first invention, when the armrest body arranged at the storage position is switched to the use position, the armrest body is used from the storage position by rotating the armrest body toward the use position by the operation lever. Easily switched to position. When the armrest body is placed in the use position and the operation lever is placed in the lying position, the armrest body is in contact with the upper surface of the seat cushion, and when the operation lever is placed in the standing position, the operation lever Protrudes from the armrest body and contacts the upper surface of the seat cushion, and the angle and / or height of the armrest body is changed by the amount that the operation lever protrudes from the armrest body. In this manner, the angle and / or height of the armrest body can be adjusted with a very simple structure using an operation lever for rotating the armrest body. In addition, in the state where the armrest main body is disposed at the retracted position, the operation lever is not a projecting object by being disposed at the lying down position.

  The vehicle seat armrest device according to a second aspect of the present invention is the vehicle seat armrest device according to the first aspect, wherein the operating lever is rotatable about the lever shaft with respect to the armrest body. When the armrest body is mounted and the armrest main body is in the use position, the operation lever has an upright angle with respect to the upper surface of the seat cushion at the upright position of the operation lever. It is configured to be adjusted by rotating the lever.

  According to the second invention, the operation lever can be easily switched between the lying position and the standing position by rotating the operation lever about the lever shaft. In addition, when the armrest body is in the use position, the standing angle of the operation lever with respect to the upper surface of the seat cushion can be adjusted by adjusting the rotation of the operation lever. This also makes it possible to adjust the angle and / or height of the armrest body.

It is a perspective view which shows the armrest apparatus of the vehicle seat which concerns on Example 1 of this invention. It is a sectional side view which follows the II-II line | wire of FIG. 1 which shows the state by which the armrest main body of the armrest apparatus was arrange | positioned in the storing position. It is a sectional side view which shows the state by which the armrest main body has been arrange | positioned in the use position. It is a sectional side view which shows the state by which the armrest main body was arrange | positioned in the use position and the armrest main body was angle and / or height adjusted. It is a sectional side view which shows the armrest apparatus of the vehicle seat which concerns on Example 2 of this invention. It is a sectional side view which shows the state by which the armrest main body has been arrange | positioned in the use position. It is a sectional side view which shows the state by which the armrest main body was adjusted in angle and / or height in the state by which the armrest main body has been arrange | positioned in the use position.

  A mode for carrying out the present invention will be described in accordance with an embodiment.

A first embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 1 and 2, the vehicle seat (rear seat) includes a seat cushion 10 and a seat back 20. An armrest device 30 is disposed in the center of the front side of the seat back 20 in the width direction (left-right direction).

  The armrest device 30 will be described. A vertically long armrest storage recess 21 having an opening on the front side is formed in the center in the width direction on the front side of the seat back 20. In the armrest storage recess 21, the armrest body 31 is disposed so as to be switchable between a storage position where the armrest body 31 is stored along the armrest storage recess 21 and a use position extending along the upper surface of the seat cushion 10. In the first embodiment, the armrest body 31 has a base portion (a lower portion of the armrest body 31 when in the retracted position) attached to the lower portion of the armrest housing recess 21 so as to be rotatable about the support shaft 22. The armrest body 31 is switched between the use position and the storage position by being rotated about the support shaft 22.

  In a state where the armrest main body 31 is disposed at the use position, the armrest main body 31 is rotated between the storage position and the use position near the free end of the armrest main body 31 (the upper portion of the armrest main body 31 when in the storage position). An operation lever 40 is provided for operation.

  As shown in FIGS. 1 and 2, the operation lever 40 has a length dimension substantially the same as the width dimension of the armrest body 31 and extends in the horizontal direction along the front side surface of the armrest body 31 disposed at the storage position. The operation portion 41 and left and right leg portions 42 protruding rearward along both side surfaces of the armrest body 31 from both ends of the operation portion 41 are integrally formed in a U shape. In addition, the operating lever 40 is rotatably attached to the free end portion of the armrest body 31 (the upper portion of the armrest body 31 when in the retracted position) by the lever shaft 45 at the distal ends of both the left and right leg portions 42. The operation lever 40 can be switched between a lying position where the operation lever 40 is laid down along the armrest body 31 and an upright position protruding from the armrest body 31.

  In the first embodiment, as shown in FIG. 2, in the state where the armrest body 31 is disposed in the retracted position and the operation lever 40 is disposed in the lying position, the left and right leg portions 42 of the operation lever 40 are The tip end side (lever shaft 45 side) is high and has an inclined shape that becomes lower toward the operation unit 41. Moreover, the operation part 41 is laid down in contact with the front surface of the armrest main body 31 so that it may not become a protrusion. Further, as shown in FIGS. 3 and 4, when the armrest body 31 is in the use position, the operation lever 40 protrudes from the lying position and the upper surface of the seat cushion 10 while protruding from the armrest body 31. By switching the position to the standing position, the angle and / or height of the armrest body 31 is adjusted.

  The armrest device for a vehicle seat according to the first embodiment is configured as described above. Therefore, when the armrest body 31 disposed at the storage position is switched to the use position, the armrest body 31 is directed toward the upper surface of the seat cushion 10 about the support shaft 22 by pulling the operation lever 40 forward. And is switched to the use position supported on the upper surface of the seat cushion 10. In this manner, by operating the operation lever 40, the armrest body 31 can be easily switched from the storage position to the use position.

  As illustrated in FIG. 3, when the operation lever 40 is disposed at the lying down position in a state where the armrest body 31 is disposed at the use position, the armrest body 31 is in contact with the upper surface of the seat cushion 10. As shown in FIG. 4, when the operation lever 40 is disposed in the standing position, the operation lever 40 protrudes downward from the armrest body 31 and abuts on the upper surface of the seat cushion 10. For this reason, in the state where the operation lever 40 is disposed at the standing position, the angle and / or height of the armrest body 31 is changed by the amount that the operation lever 40 protrudes from the armrest body 31.

  As described above, the angle and / or height of the armrest body 31 can be adjusted by a very simple structure using the operation lever 40 for rotating the armrest body 31. Further, as shown in FIGS. 1 and 2, in the state where the armrest body 31 is disposed at the retracted position, the operation lever 40 does not become a protrusion because the operation lever 40 is disposed at the lying down position. Also excellent.

  In the first embodiment, the operation lever 40 can be easily switched between the lying position and the standing position by rotating the operation lever 40 about the lever shaft 45. Further, when the armrest body 31 is in the use position, the rising angle of the operation lever 40 with respect to the upper surface of the seat cushion 10 is adjusted by rotation adjustment around the lever shaft 45 of the operation lever 40. Can do. Also by this, the angle and / or height of the armrest body 31 can be adjusted.

  Next, a second embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 5, in the second embodiment, one end portion of the armrest body 31 is rotatably attached to the lower portion of the armrest storage recess 21 by a link 50. That is, one end of the link 50 is pivotally connected to the lower portion of the armrest storage recess 21 by a pin 51, and the other end of the link 50 is connected to the base of the armrest body 31 by a pin 52 and a long hole 53. Yes. As shown in FIG. 5, in a state where the armrest main body 31 is disposed at the storage position, the link 50 is inclined upward toward the front (leftward in FIG. 5). In the second embodiment, of the pin 52 and the long hole 53 at the other end of the link 50, the pin 52 is disposed so as to be able to advance and retreat with respect to both side surfaces of the base of the armrest body 31, and is pinned by a spring (not shown). It is biased in the direction of 51. A link lock mechanism (not shown) that allows or prevents the link 50 from rotating around the pin 51 is disposed at one end of the link 50.

  In the second embodiment, the seat cushion 10 is fitted with a locking member 56 that protrudes forward from the bottom surface of the armrest storage recess 21. The locking member 56 lifts and holds the armrest main body 31 disposed at the use position. That is, in the second embodiment, the locking member 56 has a groove-shaped locking portion 57 into which the pin 52 is fitted from above in a state where the base portion of the armrest body 31 arranged at the use position is lifted upward. Is formed. Since other configurations of the second embodiment are configured in the same manner as the first embodiment, the same components are denoted by the same reference numerals, and description thereof is omitted.

  The second embodiment is configured as described above. Therefore, as shown in FIG. 5, the armrest body 31 arranged at the storage position is rotated toward the use position shown in FIG. 6 by the operation lever 40. At this time, the operation lever 40 is disposed at an upright position that is inclined slightly forward from the vertical state to form an upward inclination, and the link 50 is locked in a state of being rotated upward with the pin 51 as a fulcrum, The armrest body 31 is disposed at a first use position that is substantially horizontal. At this time, the pin 52 is disposed below the long hole 53 of the link 50.

  When the height of the armrest body 31 is adjusted to the second use position that is higher than the first use position, as shown in FIG. 7, the operation lever 40 is disposed in the upright position in a substantially vertical state, The pin 52 is fitted into the locking portion 57 from above the groove-shaped locking portion 57 of the locking member 56 in a state where the base portion of the armrest body 31 is lifted upward. As a result, the armrest body 31 is switched to the second use position that is substantially horizontal and higher than the first use position. At this time, the pin 52 is arranged at a portion from the upper part of the long hole 53 of the link 50.

  As described above, in the second embodiment, the height of the armrest body 31 can be adjusted to the first use position and the second use position while being kept substantially horizontal.

  In addition, this invention is not limited to the said Example 1, In the range which does not deviate from the summary of this invention, it can implement with a various form. For example, in the second embodiment, the pin 52 is disposed at the base of the armrest body 31 and the long hole 53 is formed in the link 50. However, a bracket having a long hole is disposed at the base of the armrest body. Then, a pin that is guided to move in the long hole of the bracket may be disposed on the link side. Moreover, it is also possible to connect the base part of an armrest main body with the lower part of an armrest storage recessed part so that rotation is possible by the link mechanism of four sections.

DESCRIPTION OF SYMBOLS 10 Seat cushion 20 Seat back 21 Armrest storage recessed part 22 Support shaft 30 Armrest apparatus 31 Armrest main body 40 Operation lever 41 Operation part 42 Leg part 45 Lever axis

Claims (2)

An armrest device for a vehicle seat including a seat cushion and a seat back,
A base portion of an armrest body is rotatably attached to a lower portion on the front side of the seat back, and a storage position in which the armrest body is stored along the front side of the seat back by a rotation operation of the armrest body, Switching to the use position extending along the upper surface of the seat cushion,
The armrest body is provided with an operation lever for rotating the armrest body arranged at the storage position toward the use position.
The operating lever has a length dimension substantially the same as the width dimension of the armrest body, and extends horizontally along the front side surface of the armrest body disposed at the retracted position, and both ends of the operating section A lying position that is formed in a U shape integrally with both leg portions projecting rearward along both side surfaces in the width direction of the armrest body from the portion, and is lying down along the armrest body And can be switched to a standing position protruding from the armrest body,
When in a state in which the armrest body is disposed in the use position, the operating lever, and the laid posture is the standing position and the arrangement switching abutting the upper surface of the projecting and the seat cushion from the armrest body Thus, the armrest device for a vehicle seat is configured such that the angle and / or height of the armrest body is adjusted. The vehicle seat armrest device according to claim 1,
The operating lever, with respect to the armrest body and pivotally mounted around a lever shaft,
When in a state in which the armrest body is disposed in the use position, the standing angle of the operating lever with respect to the upper surface of the seat cushion in the upright position of the operating lever, the operating lever around the lever axis An armrest device for a vehicle seat, wherein the armrest device is configured to be adjusted by adjusting the rotation of the vehicle seat.

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