JPH10236198A - Mounting structure for vehicular seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the occurrence of the immediate loss of the function of a disengagement restriction means upon the operation thereof in error, by providing a releasing operation restriction means for releasably restricting the releasing operation of the disengagement restriction of the disengagement restriction means. SOLUTION: When the handle part of an operation lever to form a disengagement restriction means 30 is turned in a counterclockwise direction, a link 34 connected to an inner wire 33b turns in the same direction. In this case, the counterclockwise turn of a lock releasing lever 41 is restricted due to the action of a lock pin 43, and a guide pin 34b at the end of the link 34 moves down the circular arc groove 41c1 of the guide groove 41c of the lock releasing lever 41. As a result, even when the handle part of the operation lever is turned, the disengagement restriction means 30 does not operate for releasing a restriction state, and a travel on the support shaft 21 of a mounting base 23 is restricted, thereby continuing the restriction of the detachment of a seat integrated wit the mounting base 23 from a support shaft 21 on a tire house.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat, and more particularly to a vehicle seat mounting structure detachably mounted on a predetermined portion of a vehicle.

[0002]

2. Description of the Related Art As one type of vehicle seat, Japanese Utility Model 6 is used.
As shown in JP-A-29109, one end of a seat cushion is detachably attached to a predetermined portion in a vehicle, for example, a vehicle cabin via attaching means, and the attachment of the seat cushion is controlled by detachment restricting means. There is a vehicular seat that is regulated so as to be able to be released from a part.

[0003]

In a vehicle seat of this type, the seat cushion is fixed to a predetermined mounting portion and can be seated by the release restricting function of the release restricting means with respect to the mounting portion. Is operated to release the detachment restriction function and release the fixation of the seat cushion to the mounting portion, whereby the entire seat can be removed from the mounting portion.

For this reason, in the vehicle seat of this type, if the detachment restricting means is erroneously operated to eliminate the detachment restricting function, the seat may be detached from the mounting portion.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle seat mounting structure in which even if the release control means is erroneously operated, the release control function is not immediately canceled in response to the erroneous operation. Is to do.

[0006]

According to the present invention, one end of a seat cushion is detachably attached to a predetermined attaching portion of a vehicle via an attaching means, and the seat cushion is detached from the attaching portion by a detachment restricting means. The present invention relates to a mounting structure for a vehicle seat of a type in which release is regulated so as to be releasable.

The mounting structure according to the present invention is characterized in that, in the vehicle seat mounting structure of the type described above, release operation restricting means for restricting release operation of the release restriction by the release restriction means is provided. It is a feature.

In the mounting structure for a vehicle seat according to the present invention, the mounting means is provided with a support shaft having a predetermined length provided at a predetermined portion of the vehicle and at a predetermined interval on the support shaft. A configuration including a pair of cylindrical receiving members, one end of which is open in the axial direction, and a pair of received members provided at one end of the seat cushion and inserted and received in the respective cylindrical receiving members so as to advance and retreat. It can be.

In the mounting structure for a vehicle seat according to the present invention, the detachment restricting means may be the same as a restricting member for restricting a receiving member constituting the mounting means from coming off from the tubular receiving member. A configuration may be provided that includes an operating unit that releases restriction on the receiving member of the restricting member from the tubular receiving member with respect to the received member.

In the vehicle seat mounting structure according to the present invention, the restricting member constituting the detachment restricting means is rotatably mounted on the seat cushion side, and is spring-biased so as to be biased by the cylindrical receiving member. The lock lever is engaged with the other end of the member, and the operating means is an operating member that releases the engagement with the cylindrical receiving member by rotating the lock lever against a spring force. Can be.

In the mounting structure for a vehicle seat according to the present invention, the release function restricting means is provided with an operating function for resuming the operating function of the operating means constituting the detachment restricting means with respect to the restricting member. The operation function canceling means may be a lock pin that is detachably attached to the seat cushion side and that restricts rotation of the lock lever that constitutes the detachment restricting means in the restriction releasing direction. Can be.

Also, in the vehicle seat mounting structure according to the present invention, the release operation restricting means may be a lock release lever rotatably mounted on the seat cushion side, and may be detachably mounted on the seat cushion side. A lock pin that is attached to the lock release lever and regulates the rotation of the lock release lever. The release restricting means is rotatably mounted on the seat cushion side and the lock release is performed. A lock lever connected to the lever and rotated by the rotation of the lock release lever, a spring member for urging the lock lever to engage the other end of the tubular receiving member, and the lock release lever And an operation lever connected to the operation cable and extending the operation cable to rotate the lock release lever. It is possible to obtain configuration.

[0013]

In the vehicle seat employing the mounting structure according to the present invention, the seat cushion is mounted on a predetermined mounting portion of the vehicle by the release restricting function of the release restricting means so that the seat cushion can be seated. In addition to being fixed, the release operation restricting function of the release operation restricting means holds the detachment restricting function of the detachment restricting means.

Therefore, even if the release restricting means is operated by mistake, the release restricting function does not cancel the release restricting function, and the seat cushion is fixed to a predetermined mounting portion of the vehicle. Is not released, and the vehicle seat maintains a fixed state with respect to the vehicle.

When the release operation restricting means is operated, the release restricting function of the release restricting means can be released. However, the fixing of the seat cushion to the mounting portion of the vehicle is maintained, and the vehicle seat is maintained. Still retains its fixed state to the vehicle.

In this state, when the release restricting means is operated,
The detachment restriction function of the detachment restricting means is released, the fixing of the seat cushion to the mounting portion is released, and the vehicle seat can be removed from the mounting portion of the vehicle.

As described above, in the vehicle seat mounting structure, even if only the release restricting means is operated, the release restricting function of the release restricting means is not eliminated and the vehicle seat is not released from the mounting portion. Even if the regulating means is erroneously operated, the vehicle seat will not be removed from the mounting portion. Even if only the release operation restricting means is operated, the vehicle seat is not detached from the mounting portion because the release restricting function of the detachment restricting means is maintained.

In the vehicle seat mounting structure, the mounting means includes a support shaft having a predetermined length provided at a predetermined portion of the vehicle, a support shaft provided at a predetermined interval on the support shaft, and one end of which is provided with a shaft. A pair of cylindrical receiving members that are opened in one direction, and a pair of received members that are provided at one end of the seat cushion and that are inserted into the respective cylindrical receiving members so as to be able to advance and retreat, and are received. Regulating means, a regulating member for regulating escape of the received member constituting the attaching means from the tubular receiving member,
If the operating member for releasing the restriction of the receiving member from the cylindrical receiving member with respect to the receiving member is provided, the releasing operation restricting means can be easily provided with respect to the conventional vehicle seat mounting structure of this type. Can be applied to

In this case, the release operation restricting means is provided with a lock release lever rotatably mounted on the seat cushion side and a detachable mount on the seat cushion side detachably engaged with the lock release lever. A lock pin for restricting the rotation of the lock lever, wherein the release restricting means is rotatably mounted on the seat cushion side and connected to the lock release lever to rotate by the rotation of the lock release lever. A spring member for urging the lock lever to engage the other end of the cylindrical receiving member, an operation cable connected to the lock release lever, and an operation cable connected to the operation cable to extend the operation cable. By providing an operation lever that rotates the lock release lever by operating it, the mounting structure is simple and easy to operate. That.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 shows a vehicle seat which is mounted on a predetermined mounting portion in a vehicle cabin by employing a mounting structure according to the present invention, and a vehicle. The mounting area in the room is shown. The sheet 10
Has a seat cushion 11 and a seat back 12,
The seat back 12 is attached to the rear end of the seat cushion 11 via a reclining mechanism 13 at the lower left and right ends thereof so as to be rotatable in the front-rear direction, and moves rearward as indicated by a two-dot chain line. It can be held in an upright state, and can be turned forward as shown by a solid line.

As will be described later, the seat 10 has a mounting means 20 on the left side of the seat cushion 11.
The seat cushion 11 is detachably mounted on a mounting portion on the tire house via a pair of front and rear legs 14 provided on the right side of the lower surface of the seat cushion 11, and is supported and fixed on the floor of the passenger compartment, The seat back 12 can be seated by standing upright as shown by a two-dot chain line in FIG. Further, in the seat 10, when the seat 10 is mounted on the mounting portion on the tire house via the mounting means 20, the detachment restricting means 30 and the release operation restricting means 40 shown in FIGS. Detachment from the upper attachment site is regulated.

As shown in FIGS. 1 to 5, the mounting means 20 is mounted on the tire house 51 via a pair of front and rear brackets 52 and extends in the front-rear direction. And a mounting base 23 fixed to the side of the seat cushion 11, and provided at the front end and the rear end of the mounting base 23, respectively. The receiving member 24 is formed. Each bracket 52 is provided on the tire house 51 with a cover 53 fixed to the bracket 52.
Covers the entire periphery.

Each of the cylindrical receiving members 22 has a stepped cylindrical body 22a having a large-diameter cylindrical part and a small-diameter cylindrical part, and a resin-made fitting fitted from the opening side of the large-diameter cylindrical part of the cylindrical body 22a. The collar 22b is fixed in the same direction with a predetermined interval on the support shaft 21 and opens forward.

The mounting base 23 has a flat plate portion 2.
3a and a cover portion 23b which protrudes outward from the upper end of the plate portion 23a in an arc shape.
At 3a, it is fixed to the side of the seat cushion 11.

Each of the members to be received 24 has an arc-shaped guide portion 2.
4a and a resin-made arc-shaped abutting portion 24b fitted to the guide portion 24a, and is fixed to the front and rear ends of the cover portion 23b of the mounting base 23 by the guide portion 24a. . Each of the received members 24 is located at the same interval as each of the cylindrical receiving members 22 on the support shaft 21 and has a contact portion 24b.
Is slid rearward while abutting on the support shaft 21, is inserted into each cylindrical receiving member 22, and when slid forward in this state, each cylindrical receiving member 22 is Withdraw from the member 22.

The release restricting means 30 includes a lock lever 31,
It comprises a spring 32 for urging the lock lever 31, an operation cable 33 for unlocking, a link 34 to which the operation cable 33 is connected, a spring 35 for urging the link 34, and an operation lever 36. Release operation restricting means 4
Reference numeral 0 denotes a lock release lever 41, a cover body 42, a lock pin 43 provided on the cover body 42, and a spring 44 for urging the lock release lever 41.

The lock lever 31 is
a and a connecting arm portion 31b, and is rotatably mounted on the mounting base 23 via a support pin 31c at a boundary between the two arm portions 31a and 31b. In this state, the rotation of the lock lever 31 in the clockwise direction in the drawing is regulated by a predetermined spring force by the action of the spring 32, and the distal end of the lock arm 31 a is attached to the cylindrical receiving member 22 on the support shaft 21. The connecting arm portion 31b is located at the back of the large-diameter tubular portion of the tubular body 22a, and extends rearward.

The lock release lever 41 comprises a bent lever main body 41a and a receiving portion 41b located at the upper end of the lever main body 41a. The lever main body 41a has a guide groove 41c extending downward from the center thereof. Are formed. The guide groove 41c is formed by an arc-shaped groove portion 41c1 and a latching groove portion 41c2 located at an end of the groove portion 41c1 in an intersecting manner. The lock release lever 41 is provided at a position between the upper end of the lever main body 41a and the upper end of the guide groove 41c via a support pin 41d.
1 is rotatably connected to the rear end of the connecting arm 31b, and the rotation is regulated by the spring force of a spring 44 hooked between the connecting arm 31b and the connecting arm 31b.

The cover body 42 has a circular arc shape having a predetermined length, and has a lock pin 43 protruding from an inner top portion at a rear portion thereof, and is detachably inserted between the seat cushion 11 and the mounting base 23. Then, the arc-shaped cover portion 23b of the mounting base 23 is covered. The lock pin 43 projects downward, and when the cover body 42 is mounted on the mounting base 23, the lock pin 43 enters the mounting base 23 through the through hole 23 c provided in the mounting base 23, and
1b, and releases the lock release lever 41 with the spring 44
Is slightly rotated clockwise in the figure against the above.

The link 34 constituting the separation restricting means 30
Is a plate portion 23 of the mounting base 23 at its base end.
The guide pin 34 b is rotatably mounted on the support pin 34 a via a support pin 34 a, and the guide pin 34 b attached to the tip of the support pin 34 a is fitted in the guide groove 41 c of the lock release lever 41. The link 34 is urged clockwise in the figure by a spring 35 hooked between the link 34 and the plate portion 23 a of the mounting base 23.
Moves in the arcuate groove 41c1 of the guide groove 41c, and enters into the latching groove 41c2 to be latched.

The guide pin 34b has an arcuate shape in the guide groove 41c when the cover 42 is attached by the action of the spring 35 and the lock release lever 41 is slightly rotated clockwise in the figure by the lock pin 43. When the lock release lever 41 is released from the lock pin 43 when the cover body 42 is removed and located at the upper end of the groove 41c1, the locking groove 41 in the guide groove 41c is provided.
c2, and is hooked in the hook groove 41c2.

As shown in FIGS. 1 to 6, the operation cable 33 constituting the detachment restricting means 30 has an outer tube 33.
a, and an inner wire 33b inserted into the outer tube 33a. The outer tube 33a is fixed to the mounting base 22 and a lever main body 36a of an operation lever 36 attached to a rear portion of the lower surface of the seat cushion 11, One end of the inner wire 33b is connected to an intermediate portion of the link 34, and the other end of the inner wire 33b is a handle portion 3 of the operation lever 36.
6b.

In the operation lever 36, the handle 3
By rotating the inner wire 36b counterclockwise in FIG. 6, the inner wire 36b is extended and the link 34 can be rotated counterclockwise in the drawing.

In the vehicle seat 10 adopting the mounting structure having such a configuration, the vehicle seat 10 is mounted on the mounting portion of the tire house 51 through the mounting means 20 and the tire is controlled through the detachment restricting means 30 and the releasing operation restricting means 40. The detachment of the house 51 from the attachment site is regulated. FIG.
2 shows the mounting state of the seat 10.

In this mounting state, each receiving member 24 provided on the mounting base 23 constituting the mounting means 20 is attached to each cylindrical receiving member 22 provided on the support shaft 21 mounted on the tire house 51 from the front. Fitting and disengagement restricting means 30
Arm part 3 in lock lever 31 which constitutes
The tip of 1a is located close to the back of the large-diameter portion of the cylindrical body 22a of the cylindrical receiving member 22, and regulates each received member 24 from escaping forward from each cylindrical receiving member 22, Removal of the seat 10 integrated with the mounting base 23 from the support shaft 21 on the tire house 51 is restricted.

In this state, the cover 42 constituting the release operation restricting means 40 covers the cover 23b of the mounting base 23, and the lock pin 43 passes through the through hole 23c of the mounting base 23. Lock release lever 4
The lock release lever 41 is slightly rotated clockwise in the figure against the spring 44 in contact with the first receiving portion 41b. Thereby, the guide pin 34 provided on the link 34
b is located at the upper end of the arc-shaped groove portion 41c1 in the guide groove 41c of the lock release lever 41.

In this mounting state, the detachment restricting means 30
When the handle portion 36b of the operation lever 36 is rotated counterclockwise in FIG. 6, the inner wire 33b
Is rotated counterclockwise as shown in FIG. In this case, since the rotation of the lock release lever 41 in the counterclockwise direction is restricted by the action of the lock pin 43, the guide pin 34b at the distal end of the link 34
Moves the arc-shaped groove 41c1 of the guide groove 41c of the lock release lever 41 downward.

Accordingly, the handle portion 36 of the operation lever 36
Even if the b is rotated, the detachment restricting means 30 does not perform the restriction releasing operation, and the movement of the mounting base 23 on the support shaft 21 is restricted, so that the seat 10 integrated with the mounting base 23 is Removal from the support shaft 21 is still restricted.

On the other hand, when the cover 42 constituting the release operation restricting means 40 is removed from the mounting base 23 in this mounted state, the lock release lever 41 is released from the lock pin 43. As a result, the lock release lever 41 rotates counterclockwise in the figure by the action of the spring 44 to rotate the link 34 clockwise in the figure, and as shown in FIG. 4, the guide pin 34b is engaged with the guide groove 41c. Stop groove 41
Shift to c2. In this state, the guide pin 34b is in a state of being locked by the lock release lever 41.

Therefore, in this state, when the handle portion 36b of the operation lever 36 is rotated counterclockwise in the figure, the link 34 is rotated counterclockwise against the spring 35 as shown in FIG. The lock release lever 41 is pulled downward, and the lock lever 31 is rotated clockwise around the support pin 31c against the spring 32.
For this reason, the tip of the lock arm portion 31a of the lock lever 31 retreats from the cylindrical receiving member 22, and the mounting base 23 can move forward on the support shaft 21.
By moving the seat 10 integral with 3 forward,
The seat 10 can be removed from the support shaft 21 on the tire house 51.

As described above, in the vehicle seat mounting structure, even if only the release restricting means 30 is operated, the release restricting function of the release restricting means 30 is not eliminated, and the seat 10 is not released from the support shaft 21. The seat 10 is not removed from the tire house 51 even if the detachment restricting means 30 is erroneously operated. Further, even if only the release operation restricting means 40 is operated, the detachment restricting function of the detachment restricting means 30 is maintained, so that even in this case, the seat 10 is not removed from the tire house 51.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a vehicle seat mounted by adopting the mounting structure according to the present invention, and a periphery of a tire house as a mounting portion of the seat.

FIG. 2 is a vertical sectional front view of a mounting portion adopting the mounting structure.

FIG. 3 is a vertical sectional front view when an operation lever in the attachment portion is operated.

FIG. 4 is a longitudinal sectional front view when operating a release operation restricting means in the attachment portion.

FIG. 5 is a longitudinal sectional front view when the operation lever is operated in a state where the release operation restricting means in the attachment portion is operated.

FIG. 6 is a vertical sectional side view showing a mounting state of an operation lever constituting the mounting structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... seat, 11 ... sheet cushion, 12 ... seat back, 13 ... reclining mechanism, 14 ... leg part, 20
... Attaching means, 21 ... Support shaft, 22 ... Cylindrical receiving member, 22a
... Cylinder, 22b ... Collar, 23 ... Mounting base, 23a ...
Plate part, 23b ... cover part, 23c ... through hole, 24
... Received member, 24a ... Guide part, 24b ... Contact part, 30
.., Disengagement restricting means, 31 lock lever, 31a lock arm, 31b connecting arm, 31c support pin,
32 spring, 33 operating cable, 33a outer tube, 33b inner wire, 34 link, 3
4a: Support pin, 34b: Guide pin, 35: Spring, 36: Operation lever, 36a: Lever body, 36b:
Handle part, 40: release operation restricting means, 41: lock release lever, 41a: lever body, 41b: receiving part, 41c
... Guide groove, 41c1 ... Arc groove, 41c2 ... Hook groove, 41d ... Support pin, 42 ... Cover body, 43 ... Lock pin, 44 ... Spring, 51 ... Tire house, 52 ...
Bracket, 53 ... cover.

Claims (7)

[Claims] An end of a seat cushion is detachably attached to a predetermined attachment portion of a vehicle via an attachment means, and detachment of the seat cushion from the attachment portion is regulated by detachment restricting means so as to be releasable. A mounting structure for a vehicle seat, comprising a release operation restricting means for restricting a release operation of the release restriction by the release restricting means so as to be releasable. 2. A mounting structure for a vehicle seat according to claim 1, wherein said mounting means holds a support shaft of a predetermined length provided at a predetermined portion of the vehicle and a predetermined interval on said support shaft. A pair of cylindrical receiving members, one end of which is opened in the axial direction, and a pair of received members provided at one end of the seat cushion, which are inserted into the respective cylindrical receiving members so as to be able to advance and retreat and are received. A mounting structure for a vehicle seat, comprising: 3. A mounting structure for a vehicle seat according to claim 2, wherein said detachment restricting means restricts escape of a received member constituting said mounting means from said tubular receiving member. A vehicle seat mounting structure, comprising operating means for releasing the restriction of the restriction member from coming out of the tubular receiving member with respect to the received member. 4. The vehicle seat mounting structure according to claim 3, wherein the restricting member constituting the detachment restricting means is rotatably assembled to the seat cushion side and is biased by a spring so as to be biased by the cylindrical member. A lock lever engaged with the other end of the receiving member, and the operating means is an operating member for releasing the engagement with the cylindrical receiving member by rotating the lock lever against a spring force. A mounting structure for a vehicle seat, comprising: 5. The vehicle seat mounting structure according to claim 3, wherein said release operation restricting means reversibly cancels an operation function of said operating means constituting said detachment restricting means with respect to said restricting member. A vehicle seat mounting structure, which is an operation function canceling means. 6. A vehicle seat mounting structure according to claim 5, wherein said operation function canceling means is detachably attached to said seat cushion side and is a direction of releasing a restriction of a lock lever which constitutes said detachment restricting means. And a lock pin for restricting rotation of the vehicle seat. 7. The vehicle seat mounting structure according to claim 1, wherein said release operation restricting means is a lock which is rotatably mounted on said seat cushion side. A release lever, and a lock pin detachably attached to the seat cushion side to engage with the lock release lever and regulate a rotation operation of the lock release lever, and the release restriction means is provided on the seat cushion side. A lock lever that is rotatably mounted and connected to the lock release lever and that is rotated by the rotation of the lock release lever; and a bias lever that urges the lock lever to the other end side of the tubular receiving member. A spring member to be engaged, an operation cable connected to the lock release lever, and an extension operation of the operation cable connected to the operation cable to rotate the lock release lever The mounting structure of a vehicle seat, characterized in that an operating lever for work.