JP2010149703A - Seat operation lever - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat operation lever for bringing a seat back position into a changeable state by a pull-up operation, achieving the superior ease of operation even if a seated person having long fingernails performs the pull-up operation like an ordinary seated person performs the pull-up operation. <P>SOLUTION: A downward projecting finger hooking projected portion 25 is formed in the vicinity of a tip 20F in a finger contact surface 21D of a finger hooking step 21. The finger hooking projected portion 25 is downward projected 1-5 mm with respect to a side edge 23. Also in the finger contact surface 21D of the finger hooking step 21, an upward recessed finger fitting surface 26 continuous with the finger hooking projected portion 25 is formed at an adjacent portion toward a base end 20R with respect to the finger hooking projected portion 25. The finger fitting surface 26 is upward recessed 1-5 mm with respect to the side edge 23. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a seat operation lever that is operated by a seat occupant when the position of the seat component is changeable.

For example, a vehicle seat installed in a vehicle includes a seat cushion on which a seated person sits and a seat back that serves as a backrest of the seated person. Among these seat components, the seat back is provided with a reclining device so that an inclination angle with respect to the seat cushion can be arbitrarily adjusted by the seated person. This reclining device is operated by a seat operation lever installed on the side portion of the seat cushion.
Specifically, the seat operation lever attached to the side portion of the seat cushion while being pivotally supported by the seat cushion releases the lock of the reclining device by a pulling operation that is lifted by a seated person. When the reclining device is unlocked in this way, the seated person can change the inclination angle of the seat back (see, for example, Patent Document 1).
JP2007-196902

On the other hand, in the case of the seat operating lever installed in the vehicle seat, in consideration of the comfort in the vehicle, the space around the place where the seat is placed is such that one hand of the seated person can be inserted. It is narrow. For this reason, when the seated person performs the lifting operation of the seat operation lever, it cannot be gripped like a normal lever, so the index finger or The pulling operation as described above is performed by hooking the tip of the first joint such as the middle finger.
On the other hand, in recent years, an increasing number of women have long nails. When a woman who has extended such a nail performs a pulling operation as described above, it is difficult for the tip of the first joint of the finger to be hooked on the stepped portion for finger hanging due to the long extended nail. It was. For this reason, a woman whose nails are long stretched does not hold the seat operation lever as normally assumed. In other words, women who have extended their nails for a long time have come to take a special way of grasping by changing their finger placement compared to the conventional way of grasping.

However, since the conventional sheet operation lever has not been configured assuming the above-mentioned special gripping method, when such a special gripping method is used, it is compared with the conventional gripping method. As a result, it has been reported that it is difficult to perform the pulling operation.
Therefore, even if a seated person with such a long nail performs a pulling operation with a special way of gripping as described above, it is the same as a normal seated person performing a lifting operation. There has been a demand to keep it good.

  This invention is made | formed in view of such a situation, Comprising: The subject which this invention tends to solve is attached in the state supported by the rotating shaft, and is on the opposite side to the rotating shaft side supported by the rotating shaft. A seat operation lever that allows the position of the seat component to be changed by pulling up on the rotating side, and when the seated person pulls up with a special method of gripping with different finger positions Even so, it is the same as a normal seated person pulling up, and the operability is good.

In order to solve the above problems, the sheet operating lever according to the present invention employs the following means.
In other words, the seat operating lever according to the first aspect of the present invention is attached in a state where the rotating shaft is supported, and the seat is operated by pulling up the rotating operation side opposite to the rotating shaft supported by the rotating shaft. A seat operation lever that allows the position of the component to be changed, and of a step portion for hooking a finger when a seated person pulls up, a finger hook that protrudes downward in the vicinity of the rotation operation side end A convex portion for forming a finger is provided, and a finger fitting surface portion that is recessed upward while being connected to the convex portion for finger hooking is adjacent to the protruding portion for hooking finger on the rotating shaft side of the step portion for hooking the finger. It is formed.

According to this seat operation lever, a finger-hanging convex portion protruding downward is formed in the vicinity of the rotation operation side end of the finger-hanging step portion for hooking a finger when the seated person pulls up. In the case of a woman whose seat occupants have extended their nails because a finger fitting surface part that is recessed upward is formed at the adjacent part on the rotating shaft side with respect to the finger hanging convex part. Even so, it is possible to hold the index finger on the convex part for hooking the finger, and the index finger's nail is positioned on the finger fitting surface part, so that the hooked index finger does not get in the way. The seat operation lever can be pulled up comfortably.
In addition, according to the seat operation lever, a finger fitting surface portion that is recessed upward is formed at the adjacent portion on the rotation axis side of the finger hanging convex portion of the finger hanging step portion while continuing from the finger hanging convex portion. Therefore, it is possible to grasp the seat operation lever as normally assumed, and it is possible to hook the finger on this finger fitting surface portion, and to comfortably perform the pull-up operation of the seat operation lever. it can.
In this way, according to the seat operation lever, the seat operation lever is configured to change the position of the seat component, and the seat occupant performs a pull-up operation with a special gripping method in which the finger arrangement is changed. Even in such a case, it is possible to improve the operability as in the case where a normal seated person performs a pulling up operation.

The sheet operation lever according to a second aspect of the invention is characterized in that, in the sheet operation lever according to the first aspect of the invention, the finger-hanging convex portion is formed with a gentle curved surface shape.
According to this sheet operating lever, the finger hook convex portion is formed with a gently curved surface, so that when the gripper is hooked on the finger hook convex portion as described above, Can extend the contact area of the belly of the finger in contact with the finger hooking convex portion over a wide range. This makes it possible to disperse the contact pressure on the abdomen of the finger while ensuring the grip on the convex part for hooking the finger, and it is possible to fit the finger comfortably and comfortably.

According to a third aspect of the present invention, there is provided the seat operating lever according to the first or second aspect of the invention, wherein the area of the finger fitting surface portion is set in a range that can accommodate two fingers of the seated person. It is characterized by.
According to this seat operation lever, the area of the finger fitting surface portion is set in a range that can accommodate two fingers of the seated person, so when the index finger is hooked on the finger hanging convex portion, Two fingers, the middle finger and the ring finger, can be accommodated in the finger fitting surface portion. As a result, the seat operation lever can be stably grasped, and the seat operation lever can be pulled up more comfortably.
Further, according to this sheet operation lever, when the sheet operation lever is gripped as normally assumed, two fingers of the index finger and the middle finger can be accommodated in the finger fitting surface portion. As a result, the seat operation lever can be stably grasped, and the seat operation lever can be pulled up more comfortably.

A sheet operation lever according to a fourth aspect of the present invention is the sheet operation lever according to any one of the first and third aspects, wherein the sheet operation lever is recessed upward at an adjacent portion on the rotating shaft side with respect to the finger fitting surface portion. An auxiliary finger fitting surface portion is formed.
According to this sheet operating lever, the auxiliary finger fitting surface portion that is recessed upward is formed at the adjacent portion on the rotating shaft side with respect to the finger fitting surface portion. The remaining fingers other than the fingers stored in the finger fitting surface portion can be stored.
As a result, the number of fingers in contact with the sheet operation lever can be increased, and the pulling operation of the sheet operation lever can be performed more stably.

The seat operating lever according to the first aspect of the invention is a seat operating lever that allows the position of the seat component to be changed, and the seat occupant pulls up with a special gripping method that changes the arrangement of the fingers. Even in such a case, it is possible to improve the operability as in the case where a normal seated person performs a pulling up operation.
According to the seat operation lever according to the second aspect of the invention, the contact pressure to the belly of the finger can be dispersed while ensuring the grip on the convex part for hooking the finger, and the finger can be comfortably fitted and comfortable. Can be hung.
According to the seat operating lever according to the third aspect of the invention, the gripping force of the seat operating lever can be improved, and the lifting operation of the seat operating lever can be performed more comfortably.
According to the sheet operation lever according to the fourth aspect of the invention, the number of fingers in contact with the sheet operation lever can be increased, and the operation of pulling up the sheet operation lever can be performed more stably.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view of a vehicle seat 10. A vehicle seat 10 shown in FIG. 1 is installed in a passenger car as a vehicle, and the illustrated example is an example of a left seat in a front row in a passenger car. A passenger door (not shown) is disposed close to the left side of the vehicle seat 10 (substantially on the front side of the drawing).
In addition, the illustrated imaginary line (two-dot chain line) indicates the seated person P as an occupant. In the figure, the front side of the seated person P is the front direction Fr, and the opposite side is the rear direction Rr. Yes.
The vehicle seat 10 includes a seat cushion 11 on which a seated person P sits, a seat back 12 that serves as a backrest of the seated person P, and a headrest 13 that serves as a headrest of the seated person P. The seat back 12 incorporates a reclining device 15 so that the inclination angle with respect to the seat cushion 11 can be adjusted according to the seated person P as desired. A seat operation lever 20 for operating the reclining device 15 is provided on the side portion 11 a of the seat cushion 11.

As shown in FIG. 1, the seat operation lever 20 is attached in a state where the base end 20 </ b> R side is pivotally supported by the side portion 11 a of the seat cushion 11. In other words, the sheet operation lever 20 has the front end 20F side in the direction coincident with the front direction Fr set as the rotation operation side, and the base end 20R side in the coincidence direction with the rear direction Rr is set as the rotation axis side. The front end 20F of the sheet operation lever 20 corresponds to the rotation operation side end according to the present invention.
The seated person P is able to change the inclination angle (position) of the seat back 12 by releasing the lock of the reclining device 15 by performing a pulling operation that pulls up the rotation operation side that is the tip 20F side. And Specifically, it is assumed that the sheet operation lever 20 has been pulled up by rotating the base end 20R side, which is the rotation axis side, in the center of rotation and the tip end 20F side, which is the rotation operation side, in an arc shape. The inclination angle (position) of the seat back 12 can be changed.

  Since the passenger door is disposed near the side portion 11a of the seat cushion 11 where the seat operation lever 20 is disposed, as described above, the seat cushion where the seat operation lever 20 is disposed. 11 is narrow enough to allow the left hand of the seated person P to enter. That is, the sheet operation lever 20 is disposed in a narrow space where only one left hand can enter, and is pulled up by the left hand which enters the narrow space.

Next, the sheet operation lever 20 will be described in detail.
FIG. 2 is a perspective view of the sheet operating lever 20 according to the embodiment as viewed obliquely from below. FIG. 3 is a cross-sectional view of the sheet operating lever 20 shown in FIG. FIG. 4 is a cross-sectional view showing the IV-IV cross-sectional view of the sheet operating lever 20 shown in FIG. FIG. 5 is a lower front view of the seat operation lever 20 shown in FIG. 2 as viewed from below.
The sheet operation lever 20 is a molded product of an appropriate plastic resin such as polypropylene resin, and as described above, the rotation operation in which the base end 20R side is set to the rotation axis side that is the center of rotation and the front end 20F side rotates in an arc shape. Is set to the side. As shown in FIGS. 2 to 5, the seat operation lever 20 is provided on the side of the vehicle seat 10 from the distal end 20 </ b> F side to the proximal end 20 </ b> R side corresponding to the length of the first joint of the finger. A protruding step portion 21 for finger hanging is formed. Specifically, the step portion 21 for finger hanging is formed by forming a step shape so as to protrude to the side of the vehicle seat 10 with a length set to 15 to 20 mm (reference numeral 20A shown in FIG. 4). The
Note that the sheet operating lever 20 is provided with a sliding extension 22 for stably sliding to the lower side of the finger-hanging step 21.

  That is, when the seat operating lever 20 is attached to the side portion 11a of the seat cushion 11, the lower side surface of the finger hanging step portion 21 formed by this step shape is the finger contact surface 21D with which the seated person P's finger contacts. Will be set. That is, when the finger is pulled up from the bottom with the finger hooking stepped portion 21 being hooked, the finger of the seated person P comes into contact with the finger contact surface 21D.

Here, the finger contact surface 21D is formed to have an uneven shape as described below. In the description of the uneven shape, in order to make the description easy to understand, the peripheral edge portion of the finger contact surface 21D that remains as before is set as the side edge portion 23.
That is, as shown in FIGS. 2 to 5, a finger hook convex portion 25 that protrudes downward is formed in the vicinity of the tip 20 </ b> F that is near the rotation operation side end of the finger contact surface 21 </ b> D of the finger hanging step portion 21. ing. This finger hook convex portion 25 protrudes downward by 1 to 5 mm (reference numeral 20B shown in FIG. 3) with respect to the side edge portion 23, and this protruding portion is formed to have a rounded and gently curved surface shape. Yes. That is, as will be described later, the finger-hanging convex portion 25 has a front side that is the tip end 20F side that is in the vicinity of the rotation operation side end when performing a pulling operation with a special gripping method as shown in FIG. The index finger F1 hung from (reference Fr) is hung with a good fit, and has a gentle curved surface shape as a specific shape.
Further, in the finger contact surface 21 </ b> D of the finger hanging step 21, an adjacent portion on the rotating shaft side (base end 20 </ b> R side) with respect to the finger hanging convex portion 25 is recessed upward while being connected to the finger hanging convex portion 25. A finger fitting surface portion 26 is formed. The finger fitting surface portion 26 is recessed upward by 1 to 5 mm (reference numeral 20 </ b> C shown in FIGS. 3 and 4) with respect to the side edge portion 23. Further, the concave shape has a smooth surface from the finger-hanging convex portion 25 to the finger fitting surface portion 26 so that the finger contact area when the finger of the seated person P contacts is as large as possible. Is formed.
The area of the finger fitting surface portion 26 is set in a range that can accommodate two fingers of the seated person P. Specifically, the area of the finger fitting surface portion 26 is set to a range corresponding to the contact area for two fingertips of the seated person P, and the numerical value in the front-rear direction (direction extending from Fr to Rr) is 30. It is set to ˜40 mm (reference numeral 20D shown in FIGS. 3 and 5). In addition, a partition wall portion 28 that protrudes in the same manner as the side edge portion 23 is formed on the base end 20R side of the finger fitting surface portion 26 in order to partition the region of the finger fitting surface portion 26.

  In addition, an auxiliary finger fitting surface portion 29 that is recessed upward is formed in the finger contact surface 21D of the finger hanging step portion 21 at an adjacent portion on the rotating shaft side (base end 20R side) with respect to the finger hanging convex portion 25. Yes. Similar to the above-described finger fitting surface portion 26, the auxiliary finger fitting surface portion 29 is recessed 1 to 5 mm (reference numeral 20C shown in FIGS. 3 and 4) with respect to the side edge portion 23, and its region Is set in a range corresponding to the contact area of two fingertips of the seated person P. That is, the area of the auxiliary finger fitting surface portion 29 is 30 to 40 mm in numerical values in the front-rear direction (direction extending from Fr to Rr), like the above-described finger fitting surface portion 26 (reference numeral 20E shown in FIGS. 3 and 5). ) Is set. As described above, the partition wall portion 28 is formed on the distal end 20F side of the finger fitting surface portion 29.

According to the sheet operation lever 20 configured as described above, the following operational effects can be achieved.
FIG. 6 is a lower side view of the seat operation lever 20 showing an example in which a female seated person P who has extended his nails grips to pull up. FIG. 7 is a lower side view of the seat operation lever 20 showing an example of a male seated person P that is normally assumed to be grasped to pull up.
That is, according to the seat operation lever 20, a finger-hanging convex portion 25 protruding downward is formed in the vicinity of the tip 20 </ b> F of the step portion 21 for hooking the finger when the seated person P pulls up the finger. A finger fitting surface portion 26 is formed in the stepped portion 21 adjacent to the base portion 20R side of the finger hooking convex portion 25 so as to be continuous with the finger hooking convex portion 25 and recessed upward. When the stretched female seated person P pulls up the seat operation lever 20, as shown in FIG. 6, the index finger F <b> 1 can be gripped on the finger hook convex portion 25, and the index finger can be gripped. The nail of F1 is positioned on the finger fitting surface portion 26, so that the operation of pulling up the sheet operation lever 20 can be comfortably performed with the hooked index finger F1.
Further, according to the sheet operation lever 20, the finger hanging convex portion 25 is formed with a gentle curved surface shape, so that the finger (for example, the index finger F1) of the finger that contacts the finger hanging convex portion 25 is formed. The contact area of the abdomen can be extended over a wide range. This makes it possible to disperse the contact pressure on the abdomen of the finger while ensuring the grip on the finger hook convex portion 25, and it is possible to comfortably fit the finger.

In addition, according to the seat operation lever 20, the finger contact area when the finger of the seated person P comes into contact is increased as much as possible from the finger-hanging convex portion 25 to the finger fitting surface portion 26 in this concave shape. As shown in FIG. 6, when the index finger F1 is gripped by the index finger F1 as shown in FIG. 6, the fingertip of the index finger F1 The contact area can be widened, and the operation of pulling up the sheet operation lever 20 can be performed more stably.
In addition, according to the sheet operation lever 20, the finger fitting that is recessed upward from the finger-hanging convex portion 25 is connected to the adjacent portion of the finger-hanging step portion 21 on the base end 20 </ b> R side with respect to the finger-hanging convex portion 25. Since the marital surface portion 26 is formed, when a normally seated male seat P performs a pull-up operation, as shown in FIG. The finger can be hooked on the finger fitting surface portion 26, and the lifting operation of the seat operation lever 20 can be comfortably performed.
In this way, according to the seat operation lever 20, the seat operation lever 20 is configured to change the position of the seat back 12, and is a case where the seated person P with a long nail pulls up. However, it is possible to improve the operability, which is the same as a normal seated person P pulling up.

Further, according to the seat operation lever 20, the area of the finger fitting surface portion 26 is set in a range in which two fingertips of the seated person P can be accommodated. When the index finger F1 is hooked, two fingertips of the index finger F1 and the middle finger F2 can be stored in the finger fitting surface portion 26. As a result, the seat operation lever 20 can be stably held, and the operation of pulling up the seat operation lever 20 can be performed more comfortably.
Further, according to the sheet operation lever 20, when the sheet operation lever 20 is gripped as normally assumed, two fingertips of the index finger F1 and the middle finger F2 are placed on the finger fitting surface portion 26. Can fit. As a result, the seat operation lever 20 can be stably held, and the operation of pulling up the seat operation lever 20 can be performed more comfortably.
Further, according to the sheet operation lever 20, the auxiliary finger fitting surface portion 29 that is recessed upward is formed at the adjacent portion on the base end 20R side with respect to the finger fitting surface portion 26. The remaining finger (ringing finger F3, little finger F4) other than the finger stored in the finger fitting surface portion 26 can be stored in the use surface portion 29. As a result, the number of fingers in contact with the sheet operation lever 20 can be increased, and the operation of pulling up the sheet operation lever 20 can be performed more stably.

Note that the seat operating lever according to the present invention is not limited to the above-described embodiment, and can be appropriately changed without changing the gist of the present invention.
For example, the finger-hanging step portion 21 in the seat operating lever 20 in the above-described embodiment has a length set to 15 to 20 mm (reference numeral 20A shown in FIG. 4) and projects to the side of the vehicle seat 10. It was formed by forming a shape. However, the protruding length of the finger-engaging step portion of the sheet operating lever according to the present invention is not limited to such a numerical value, and may be configured with an appropriate numerical value.
Further, the finger-hanging convex portion 25 in the sheet operating lever 20 in the above embodiment protrudes downward by 1 to 5 mm (reference numeral 20B shown in FIG. 3) with respect to the side edge portion 23, and this protruding portion is rounded. It was formed with a shape. However, the finger hooking convex portion of the sheet operating lever according to the present invention is not limited to such a numerical value, and an appropriate shape can be selected as the shape of the protruding portion.
Further, the finger fitting surface portion 26 of the sheet operating lever 20 in the above embodiment is formed to be recessed 1-5 mm (reference numeral 20C shown in FIGS. 3 and 4) upward with respect to the side edge portion 23. there were. However, the finger fitting surface portion of the sheet operating lever according to the present invention is not limited to such a numerical value, and an appropriate shape such as a flat surface or a curved surface can be selected.
Moreover, the area | region of the finger fitting surface part 26 and the auxiliary finger fitting surface part 29 in the seat operation lever 20 in the above embodiment is a range corresponding to the contact area for two fingertips of the seated person P. The numerical value in the front-rear direction (direction extending from Fr to Rr) was set to 30 to 40 mm (reference numerals 20D and 20E shown in FIGS. 3 and 5). However, the finger fitting surface portion and the auxiliary finger fitting surface portion of the sheet operating lever according to the present invention are not limited to such numerical values.

  By the way, in the above-mentioned contents, in order to make the explanation easy to understand, as an example of a special gripping method in which the arrangement of the finger of the seated person is changed, a method of gripping a woman with a long nail is taken as an example It was to explain. However, the special gripping method in which the arrangement of the finger of the seated person in the present invention is changed variously depending on the seated person having a thick finger and the taste of the seated person. In other words, the seat operation lever according to the present invention is completely different from the conventional seat operation lever in that it can be pulled up comfortably by gripping the index finger or the middle finger on the finger hook convex portion. It is merely an example that the seated person is a woman with long claws extended.

It is a perspective view of a vehicle seat. It is the perspective view which looked at the sheet operation lever used as an embodiment from the slanting lower side. It is sectional drawing which shows the III-III cross-section arrow in FIG. It is sectional drawing which shows the IV-IV cross-section arrow in FIG. FIG. 3 is a lower front view of the seat operation lever shown in FIG. 2 as viewed from below. It is a lower side view of a seat operation lever which shows an example which a female seated person who extended a nail prolonged grasping to raise operation. FIG. 6 is a lower side view of a seat operation lever showing an example in which a male seated person normally grasps a pulling operation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle seat 11 Seat cushion 12 Seat back 13 Headrest 15 Reclining device 20 Seat operation lever 20F The front end of the seat operation lever 20R The base end of the seat operation lever 21D The finger contact surface 21 The stepped portion for the finger hook 22 The slide extension 23 The side edge Part 25 Finger-hanging convex part 26 Finger-fitting surface part 28 Partition wall part 29 Auxiliary finger-fitting surface part Fr Forward direction Rr Rear direction P Seated person

Claims (4)

It is a seat operation lever that is mounted in a state where it is supported by a rotating shaft and that allows the position of the seat component to be changed by pulling up the rotating operation side opposite to the rotating shaft that is supported by the rotating shaft. And
Among the finger-hanging stepped portions for hooking a finger when the seated person pulls up, a finger-hanging convex portion protruding downward is formed in the vicinity of the rotation operation side end,
A finger fitting surface portion that is recessed upward while being connected to the finger hooking convex portion is formed in the finger hanging step portion adjacent to the finger hooking convex portion on the rotating shaft side. The sheet operation lever. In the sheet operation lever according to claim 1,
The sheet-operating lever according to claim 1, wherein the finger-hanging convex portion is formed to have a gently curved surface shape. In the sheet operation lever according to claim 1 or 2,
The seat operating lever, wherein the area of the finger fitting surface portion is set in a range that can accommodate two fingers of a seated person. In the sheet operation lever according to any one of claims 1 to 3,
An auxiliary finger fitting surface portion that is recessed upward is formed at an adjacent portion on the rotating shaft side with respect to the finger fitting surface portion.

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