JPH0126514Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an automobile seat in which a seat back of a front seat is provided with a footrest and a table for a person seated in a rear seat.

<Prior Art> An automobile seat in which a seat back of a front seat is provided with a footrest and a table for a person seated in a rear seat is disclosed in, for example, Japanese Utility Model Application No. 58-36926.
This item has an opening that penetrates the seat back in the front and back, and has a cushion member in the opening that serves as a backrest and is positioned horizontally by rotating rearward and serves as a footrest, and the upper side of the opening on the rear surface of the seat bag is one end of the table plate is rotatably pivoted to the table plate, and both sides of the cushion member and both sides of the other end of the table plate are connected by bendable links,
When the cushion member is stored in the opening of the seat bag, the link rotates the table plate parallel to the rear surface of the seat bag and stores it in the opening, and when the table plate is rotated horizontally, the link allows the cushion to be The member is rotated backward to position it horizontally, and the table board is held in a horizontal state by a link extending in an inclined straight line between the table board and the cushion member, which are parallel in the vertical position, and the cushion member is It is used below as a footrest.

<Problems to be solved by the invention> In the above conventional technology, the cushion member and the table plate are always in an interlocking relationship through bendable links, and when the cushion member is retracted, the table plate is also retracted, and the table plate When used in a horizontal position, the cushion member unfolds to a horizontal position. Therefore, even if an attempt is made to use only the table board, the cushion member will unfold horizontally, and even if the cushion member is used as a footrest, the table board will be placed horizontally, making it impossible to use each part separately.

In view of the above-mentioned problems of the conventional technology, the present invention allows the table plate and the cushion member to be used separately, thereby providing a seat that can be used in an increased number of ways that were not possible in the past.

<Means for Solving the Problems> The present invention has a cushion that has an opening that penetrates the seat back in the front and back, serves as a back support for the opening, and rotates rearward to become a horizontal footrest. In an automobile seat having a member, a pair of stays are pivotally connected to the lower left and right sides of the seat back so as to be able to rotate backward, and a link for regulating the rearward tilting position is pivotally connected to the seat back and the stay, and the cushion member Guide members are fixedly installed on both left and right sides of the rear surface in a direction parallel to the stay, and a locking member for a table plate is attached to the upper rear surface of the seat bag, and when the table plate is in a vertical state,
An engaging portion for engaging and disengaging the locking member is provided on the lower end side,
In addition, on both side edges, there are first holes that protrude left and right at the lower part.
A pin, a second pin protruding left and right at an approximately central portion, and a third pin adjacent to and parallel to the second pin, and the pair of stays are provided with a pin extending in a straight line in the vertical direction on the inner surface, and A stay-side guide groove that guides the first to third pins with an open upper end, and a first stay side that is perpendicular to the rear surface of the stay at the lower end of the stay-side guide groove and allows the first pin to enter and exit. a second stay-side notch that is perpendicular to the rear surface of the stay at approximately the center of the stay-side guide groove and allows the second and third pins to enter and exit; a third stay-side notch that is perpendicular to the front surface of the stay and allows the first front pin to enter and exit; and a pin receiving portion on the rear surface of the upper end of the stay that supports the third pin that has escaped from the open upper end of the stay-side guide groove. The guide member includes a straight guide side guide groove that passes through the first to third pins on the inner and outer surfaces and guides the pins in the vertical direction, and a guide member below the guide side guide groove. A first guide side notch that is perpendicular to the rear surface and is arranged out of phase with the first stay side notch position and allows the first pin to enter and exit, and a guide member on the upper part of the guide side guide groove. The second guide side notch is perpendicular to the rear surface and is arranged out of phase with respect to the second stay side notch position, and allows the second and third pins to enter and exit.

<Function> In the present invention, when the cushion member is stored, the table plate has the first to third pins in the first and second guide side notches of the guide member and the first and second pins of the stay.
It is placed outside the stay side notch position and is housed and held in parallel to the rear surface of the cushion member by the guide member and the stay.

When only the cushion member is used as a footrest, the first pin of the table plate stored integrally with the cushion member is located in the first stay side notch, and at the same time, the second and third pins are also located in the second stay side notch. It is located in the notch on the stay side. Therefore, when the cushion member is turned backward in this state, the first to third pins are removed from the stay, the table plate is held by the guide member and rotates together with the cushion member, and when the cushion member becomes horizontal. located on the underside of the cushion member. Additionally, the stay remains upright on the seat back side.

When using only the table plate, slide the table plate along the stay side guide groove and the guide side guide groove, position the first pin in the first guide side notch, and simultaneously move the second and third pins into the second Located in the guide side notch. When the stay is turned backward in this state, the table plate comes off from the guide member and rotates integrally with the stay. Next, the table plate is slid toward the upper end of the stay, and the third pin is caused to escape from the upper end open portion of the stay-side guide groove. At this point, the second pin is positioned at the upper end of the stay, and the first pin is positioned corresponding to the third stay side notch. When the table board is tilted forward in this state, it rotates using the second pin as a fulcrum, the first pin escapes to the outside from the third stay side notch, the third pin is supported by the pin receiving part, and the engaging part The table board is held in a horizontal plane by being locked by a locking member attached to the seat bag.

By rotating the cushion member backward in the above state and placing it in a horizontal position, the footrest and the table board are set at the same time.

<Example> Hereinafter, an example of the present invention will be described based on the drawings. In FIG. 1, 1 is the seat back of the seat. As is well known, this seat bag has an opening that passes through it from front to back, and a cushion member 2 (see Fig. 3 and below) that serves as a back rest and is horizontally positioned when rotated rearward and serves as a foot rest. reference)
have.

The present invention has the above-mentioned seat configured as follows. A pair of stays 3 are pivotally mounted 3a on the left and right sides of the lower part of the seat bag 1 so as to be able to rotate backward, and a link 4 for regulating the backward tilting position is pivotally connected to the seat bag 1 and the stay 3. Furthermore, a locking member 6 for a table plate 8, which will be described later, is attached to the upper rear surface of the seat bag 1. This locking member 6
is a leaf spring, which is fixed to the frame as shown in FIG. 2A and covered by the bezel 7, or fixed to the inner surface of the bezel 7 as shown in FIG. 2B.

As shown in FIG. 3, guide members 5 are fixed to the cushion member 2 on both left and right sides of the rear surface in a direction parallel to the stay 3. As shown in FIG.

As shown in FIG. 3, when the plate surface is vertical, the table board 8 is provided with an engaging part 9 on the lower end side that engages and disengages with the locking member 6, and on both left and right end sides, there is an engaging part 9 at the lower part on the left and right sides. A first pin 10 that protrudes, a second pin 11 that protrudes left and right at approximately the center, and a third pin 12 that is close to and parallel to the second pin 11 are provided.

Further, each of the pair of stays 3 has a stay-side guide groove that extends in a straight line in the vertical direction on the inner surface, has an open portion 14 at the upper end, and guides the first to third pins 10, 11, 12. 13, a first stay side notch 15 which is perpendicular to the rear surface of the stay 3 at the lower end of this stay side guide groove 13 and allows the first pin 10 to enter and exit, and a first stay side notch 15 at an approximately central portion of the stay side guide groove 13. A second stay-side notch 16 that is perpendicular to the rear surface of the stay 3 and allows the second and third pins 11 and 12 to enter and exit; A third stay-side notch 17 that intersects perpendicularly and allows the first pin 10 to enter and exit, and a pin that supports the third pin 12 that has escaped from the open portion 14 at the upper end of the stay-side guide groove 13 on the rear surface of the upper end of the stay 3. A receiving portion 23 is provided.

On the other hand, the guide member 5 has a straight guide side guide groove 18 that passes through the first to third pins 10, 11, 12 on the inner and outer surfaces and guides them in the vertical direction.
A groove is disposed in the lower part of the guide side guide groove 18 so as to be perpendicular to the rear surface of the guide member 5 and out of phase with respect to the position of the first stay side notch 15, and allows the first pin 10 to enter and exit. The first guide side notch 19 and the upper part of the guide side guide groove 18 are arranged perpendicularly toward the rear surface of the guide member 5 and are shifted in phase with respect to the position of the second stay side notch 16. The second pin allows the entry and exit of the three pins 11 and 12.
A guide side notch 20 is provided.

Further, as shown in FIG. 5, the guide member 5 has
A plate spring 21 that presses the first pin 10 is provided, and a plate spring 22 that presses the first pin 10 is provided on the stay 3 as shown in FIG. 8 to prevent the table plate 8 from shaking or falling when stored. It has been subjected.

In the present invention with the above configuration, the 4
It can be used in different forms. That is, as shown in FIG. 10A, the cushion member 2
In addition, the table board 8 is in the normal state when it is stored in the seat bag 1, the state in which only the cushion member 2 is rotated and unfolded rearward and used as a footrest as shown in FIG. One is a state in which only the footrest is used horizontally, and the other is a state in which the footrest provided by the cushion member 5 and the table board 8 are used simultaneously, as shown in FIG. 10D.

Therefore, each of the above states will be explained individually.
The stored state of the cushion member 2 and table plate 8 in FIG. 10A is as shown in FIG.
The pin 10 is located at a position other than the first guide side notch 19,
Further, the second and third pins 11 and 12 are located at positions other than the second guide side notch 20, are locked to the guide member 5, and are integrated in parallel with the rear surface of the cushion member 2 stored in the opening of the seat bag 1. It is stored as In this state, the first pin 10 is located in the first stay side notch 15, and the second and third pins 11, 1
2 is located in the second stay side notch 16.

When only the cushion member 2 shown in FIG. 10B is to be rotated rearward and used as a footrest, the storage lock of the cushion member 2 is released from the retracted state shown in FIG. 6A, and as shown in FIG. 6B. When the cushion member 2 is tilted backward, the first pin 10 passes through the first stay-side notch 15 and escapes, and the second and third pins 11 and 12 pass through the second stay-side notch 16 and escape from the stay 3. is left upright on the side of the seat bag 1, and is made horizontal integrally with the table plate 8 which is secured to the guide member 5.

When only the table plate 8 of FIG. 10C is used, the upper stop of the guide side guide groove 18 has a stopper function as shown in FIG. 9B from the stored state of FIG. 9A, and the table plate 8 As the table plate 2 is slid upward, the third pin 12 hits the upper stop of the guide groove 18, and the table plate 2 stops. At this time, the first pin 10 is located in the first guide side notch 19, and the second and third pins 11 and 12 are located in the second guide side notch 20. As a result, the 1st to 3rd pins 1
0, 11, 12 are the first and second stay side notches 15,
It is at a position other than 16 and is locked to the stay 3. In this state, as shown in FIG.
9, and the second and third pins 11 and 12 pass through the second guide side notch 20 and escape, and the stay 3 turns backward and is pulled out to the rear of the seat back 1. Next, as shown in FIG. 9D, the table plate 8 is pulled up toward the upper end of the stay 3, and the third pin 12 is allowed to escape from the open portion 14 at the upper end of the stay-side guide groove 13. At this point, since the second pin 11 has a diameter larger than the groove width of the open portion 14, it stops at the upper end of the stay 3 and serves as a fulcrum when the table plate 8 turns, which will be described below. Also, the first pin 10 is
This corresponds to the position of the stay side notch 17. In this state, when the table plate 8 is tilted forward as shown in FIG. 17, the third pin 12 is supported by the pin receiving portion 23, and the engaging portion 9 is locked by the locking member 6 to hold the table plate 8 on a horizontal surface.

Furthermore, in order to use the table board 8 and the cushion member 2 as a footrest at the same time as shown in FIG. obtained by

<Effects of the invention> As described above, according to the invention, the cushion member serving as the footrest and the table plate can be rotated and deployed individually to the use state without being connected.
In addition to the conventional two types of usage, which are the normal state with everything stored and the usage with a table board and footrest, there are many usage states where only the footrest and only the table board are used. , has the inventive effect of improving the use of this type of seat.

[Brief explanation of drawings]

Figure 1 is a side view of the main part of the present invention, Figures 2A and B are cross-sectional views showing detailed structural examples of the part seen in the direction of arrows in Figure 1, and Figure 3 is a side view of the main part of the present invention.
The figure is a perspective view of the main components of the present invention, and Figure 4 is a diagram showing the storage state of the cushion member and table plate.
Figure 5 is a sectional view taken along the line shown in Figure 4, and Figure 6 A, B.
is an explanatory diagram of the operation when the cushion member is used as a footrest, FIG. 7 is a diagram showing the sliding position of the table plate when the table plate is put into use, and FIG. 8 is a sectional view taken along the line shown in FIG. 7. Figure 9 A, B,
C, D, and E are explanatory views of the operation for putting the table board into use, and FIGS. 10A, B, C, and D are explanatory views of the form obtained by the present invention. 1... Seat bag, 2... Cushion member,
3... Stay, 4... Link, 5... Guide member, 6... Locking member, 8... Table plate, 9...
Engaging portion, 10...first pin, 11...second pin,
12...Third pin, 13...Stay side guide groove, 1
4... Opening part, 15... First stay side notch, 16
...Second stay side notch, 17...Third stay side notch, 18...Guide side guide groove, 19...First guide side notch, 20...Second guide side notch, 23...
Pin receiver.

Claims (1)

[Scope of utility model registration request] In an automobile seat that has an opening that penetrates the seat back from front to back, and a cushion member that serves as a back rest in this opening and that is positioned horizontally and serves as a foot rest by rotating and deploying rearward, a pair of cushion members are provided on the left and right sides of the lower part of the seat back. The stay is pivotally connected to enable rearward rotation, and a link for regulating the rearward rotation position is pivotally connected to the seat back and the stay, and guide members are provided on both left and right sides of the rear surface of the cushion member in a direction parallel to the stay. is fixed, and a locking member for a table plate is attached to the upper rear surface of the seat bag, and when the table plate is in a vertical state, an engaging part is provided on the lower end side to engage and disengage from the locking member, and the table plate is provided with an engaging part that engages and disengages from the locking member on the lower end side, and On the end side, there is a first pin that protrudes from side to side at the lower part,
A second pin protruding left and right at an approximately central portion, and a third pin adjacent to and parallel to the second pin are provided, and the pair of stays has an upper end extending in a straight line in the vertical direction on the inner surface. The opened first to
A stay-side guide groove that guides the 3 pins and a stay-side guide groove that intersects perpendicularly toward the rear surface of the stay at the lower end of this stay-side guide groove,
A first stay side notch that allows the first pin to enter and exit, and a second stay side that is perpendicular to the rear surface of the stay at a substantially central portion of the stay side guide groove and that allows the second and third pins to enter and exit. a third stay-side notch that is perpendicular to the front face of the stay near the upper end of the stay-side guide groove and allows the first pin to enter and exit; and a third stay-side notch that opens at the upper end of the stay-side guide groove on the rear surface of the upper end of the stay. a pin receiving part that supports the third pin that has escaped from the guide member; a groove; and a first guide-side notch that is perpendicular to the rear surface of the guide member at the lower part of the guide-side guide groove and is arranged out of phase with the first stay-side notch position to allow the first pin to enter and exit. and a second guide which is disposed on the upper part of the guide side guide groove, perpendicular to the rear surface of the guide member and out of phase with respect to the second stay side notch position, and allows the second and third pins to enter and exit. An automobile seat characterized by having a side cutout.