JPH0971157A - Seat sliding device - Google Patents

Seat sliding device

Info

Publication number
JPH0971157A
JPH0971157A JP22783795A JP22783795A JPH0971157A JP H0971157 A JPH0971157 A JP H0971157A JP 22783795 A JP22783795 A JP 22783795A JP 22783795 A JP22783795 A JP 22783795A JP H0971157 A JPH0971157 A JP H0971157A
Authority
JP
Japan
Prior art keywords
upper rail
rail
upper
seat slide
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP22783795A
Other languages
Japanese (ja)
Other versions
JP3138193B2 (en
Inventor
Hiroyuki Suzuki
宏行 鈴木
Original Assignee
Shiroki Corp
シロキ工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shiroki Corp, シロキ工業株式会社 filed Critical Shiroki Corp
Priority to JP07227837A priority Critical patent/JP3138193B2/en
Publication of JPH0971157A publication Critical patent/JPH0971157A/en
Application granted granted Critical
Publication of JP3138193B2 publication Critical patent/JP3138193B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

(57) [Abstract] An object of the present invention is to provide a high-strength seat slide device that is low in cost, has a small number of assembly steps. SOLUTION: An upper rail 32 is constituted by a plate-shaped first upper rail 50 and a plate-shaped second upper rail 51 laminated on the first upper rail 50, and a first upper rail 50 and a second upper rail 51 are formed. A bracket 71 that rotatably supports the roller 70 that rolls with respect to the lower rail 31 is sandwiched between and.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lower rail fixedly attached to a floor and a lower rail slidably engaged with the lower rail.
The present invention relates to a seat slide device having an upper rail to which a seat is attached.

[0002]

2. Description of the Related Art Next, a conventional example will be described with reference to the drawings.
FIG. 9 is a sectional configuration diagram of a conventional seat slide device, and FIG.
FIG. 10 is a perspective view of the roller in FIG. 9.

In FIG. 9, 1 is a lower rail fixed to the floor 3 side, 2 is a manually engageable lower rail 1,
It is an upper rail on which a seat is provided. Lower rail 1
The cross section of is a bottom surface 4 that is substantially parallel to the floor 3, a first side surface 5 and a second side surface 6 that are bent from both sides of the bottom surface 4 and extend in a direction substantially perpendicular to the floor 3. The first upper surface 7 and the second upper surface 8 bent from the upper ends of the first and second side surfaces 5, 6 toward each other and the tips of the first and second upper surfaces 7, 8 from the lower rail 1 It is composed of a first folding surface 9 and a second folding surface 10 which are folded inward. A slit-shaped hole 1a that connects the inside and the outside of the lower rail 1 is formed between the first folding surface 9 and the second folding surface 10.

The upper rail 2 has a plate-shaped first upper rail 11 having a first base portion 13 substantially perpendicular to the floor 3, and a plate-shaped first base rail 14 laminated on the first base portion 13. The second upper rail 12 of FIG.

The first base 13 of the first upper rail 11
And the second base portion 14 of the second upper rail 12 enter the lower rail 1 through the hole 1a formed in the lower rail 1, and the first bottom surface 15 parallel to the bottom surface 4 of the lower rail 1
And the second bottom surface 16 and the first and second bottom surfaces 1
The first rising surface 17 and the second rising surface 18 are bent in a direction away from the bottom surface 4 and extend parallel to the first side surface 5 and the second side surface 6. ing.

A roller 20 disposed in the lower rail 1 and rolling on the bottom surface 4 is rotatably supported by a bracket 21 attached to the first and second bottom surfaces 15 and 16 of the upper rail 2.

As shown in FIG. 10, the bracket 21 includes a base portion 22 fixed to the first and second bottom surfaces 15 and 16 of the upper rail 2 and a side surface of the roller 20 which is bent by the base portion 22. So that the roller 20
And a support portion 23 that rotatably supports the shaft 24.

On the other hand, the first and second rising surfaces 17 and 18 of the upper rail 2 are provided with resin that abuts on the first and second upper surfaces 7 and 8 and the first and second side surfaces 5 and 6 of the lower rail. A slide piece 25 such as the above is provided.

Then, the slide piece 25 and the roller 20
The upper rail 2 is positioned with respect to the lower rail 1 in the vertical direction and the side direction.
Can move in the direction perpendicular to the paper surface in FIG. 9 with respect to the lower rail 1.

[0010]

However, in the seat slide device having the above structure, the base portion 22 of the bracket 21 that rotatably supports the roller 20 has the first and second bottom surfaces of the upper rail 2 formed by welding or the like. Since it is attached to 15 and 16, there is a problem that the number of assembling steps increases.

When the seat occupant is wearing the seat belt, a large load acts on the periphery of the seat mounting portion of the upper rail 2 when the vehicle collides. The upper rail 2 is required to have a strength that does not deform even in such a case.

In the upper rail of the conventional seat slide device, required strength is secured by a method such as providing a reinforcing member around the seat mounting portion. However, providing a separate reinforcing member causes a cost increase and also increases the number of assembling steps.

The present invention has been made in view of the above problems, and an object thereof is to provide a high-strength seat slide device which is low in cost, requires a small number of assembling steps.

[0014]

Means for Solving the Problems A first method for solving the above problems is described below.
The seat slide device of the invention of claim 1 is a seat slide device having a lower rail fixed to the floor side and an upper rail slidably engaged with the lower rail and having a seat attached thereto, wherein the upper rail is a plate-shaped first upper rail. A bracket for rotatably supporting a roller rolling on the lower rail between the first upper rail and the second upper rail, and the plate-shaped second upper rail laminated on the first upper rail. It is sandwiched between.

Since the bracket for rotatably supporting the roller rolling on the lower rail is sandwiched between the plate-shaped first upper rail and the plate-shaped second upper rail, the bracket can be easily mounted. Assembling man-hours are reduced.

A second aspect of the invention is that the upper rail has a plate-shaped first aspect.
Upper rail and a plate-shaped second upper rail laminated on the first upper rail, and the upper rail is
A base portion that includes the first and second upper rails and extends in a direction substantially perpendicular to the floor, and a first and second upper rails that are connected to the base portion and extend in a direction substantially parallel to the floor. The first reinforcing portion is formed.

By forming the first reinforcing portion connected to the base portion of the upper rail and extending in a direction substantially parallel to the floor, there is no need to use a reinforcing member or the like which increases the number of assembling steps and costs. However, the strength of the upper rail is improved.

Here, it is desirable that the first reinforcing portion is formed at least around the position where the upper rail where the impact load acts is attached to the seat. Further, in order to further improve the strength of the upper rail, the first and second rails are provided on the upper rail.
It is desirable to form a second reinforcing portion which is formed of at least one of the upper rails, is connected to the base portion and the first reinforcing portion, and extends in a direction intersecting the seat slide plane.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of the present invention will be described with reference to FIGS. First, the overall configuration of the seat slide device according to the present embodiment will be described with reference to FIGS. 2 and 3. 2 is a front view of the seat slide device according to the embodiment of the present invention, and FIG. 3 is a top view of FIG. In the figure, 31 is a lower rail fixed on the floor, and 32 is a lower rail.
Is an upper rail slidably engaged with the lower rail 31 and provided with a seat.

Next, the cross-sectional shape of the lower rail 31 will be described. Since the cross-sectional shape of the lower rail 31 is uniform, the cross-sectional shape of the lower rail 31 is shown in FIG.
The description will be made with reference to FIG. Fig. 1 is the cutting line DD in Fig. 4.
FIG.

The cross section of the lower rail 31 includes a bottom surface 34 substantially parallel to the floor, a first side surface 35 and a second side surface 36 which are bent from both sides of the bottom surface 34 and extend in a direction substantially perpendicular to the floor. And a first upper surface 37 and a second upper surface 38 that are bent from the upper ends of the first and second side surfaces 35 and 36 toward each other, and the first and second upper surfaces 37 and 3
It is composed of a first folding surface 39 and a second folding surface 40 which are folded from the tip of 8 into the lower rail 31.
A slit-shaped hole 31 a that connects the inside and the outside of the lower rail 31 is formed between the first folding surface 39 and the second folding surface 40.

Further, as shown in FIG. 4, the lower rail 31
A plurality of lock holes 34a are formed in the bottom surface 34 at a predetermined pitch. Next, the upper rail 32 will be described with reference to FIGS. 1 and 4 to 8. 4 is an enlarged view of the upper rail in FIG. 2, FIG. 5 is a top view of FIG.
6 is a sectional view taken along the cutting line AA in FIG. 4, FIG. 7 is a view in the direction of arrow B in FIG. 4, and FIG. 8 is a cutting line C in FIG.
It is sectional drawing in -C.

The upper rail 32 main body comprises a plate-shaped first upper rail 50 and a second upper rail 51 laminated on the first upper rail 50. these,
First upper rail 50 and second upper rail 51
Includes a first base 52 that is substantially perpendicular to the floor and a first
The second upper rail 51 which is laminated on the base 52 of the second
And a base portion 53 of.

Then, the first and second upper rails 5
The first base 52 and the second base 53 of the lower rail 51 are connected to the lower rail 3 through holes 31 a formed in the lower rail 31.
1, a first bottom surface 55 and a second bottom surface 56 that are parallel to the bottom surface 34 of the lower rail 31, and are bent away from the first and second bottom surfaces 55 and 56 from the bottom surface 34. First side surface 35 and second side surface 3
A first rising surface 57 and a second rising surface 58 extending in parallel with 6 are formed.

Each rising surface 57, 58 of the upper rail 32
Is provided with a resinous slider 60 which can slide on the inner wall surface of the lower rail 31. In the present embodiment, as shown in FIG. 4, a lock device attached to the first upper rail 50 is provided at the center of the upper rail 32.
(Details will be described later) 74, and the second upper rail 51 is not provided at the portion where the locking device 74 is provided.

At the front and rear portions of the upper rail 32, the upper portions of the first and second base portions 52, 53 of the first and second upper rails 50, 51 are bent, and the first portions extending substantially parallel to the floor are provided. And 1'stiffening portions 61, 62 are formed.

The first and second reinforcing portions 61,
A seat mounting weld nut 65 is fixed to 62. Further, the front end portion and the rear end portion of the second upper rail 51 of the upper rail 32 are connected to the second base portion 53 and the first 'reinforcing portion 62, and extend in a direction intersecting the seat slide plane. The reinforcing portion 66 is formed.

Further, brackets 71 for rotatably supporting a rotary shaft 73 of a roller 70 rolling on the bottom surface 34 of the lower rail 31 are provided at the front and rear portions of the upper rail 32. As shown in FIGS. 1 and 6, the bracket 71 is attached to the upper rail 32 by the bracket 7
The upper part of the first upper rail 50 of the upper rail 32.
It is made by sandwiching it between the first base portion 52 and the second base portion 53 of the second upper rail 51 and fixing it with a pin 72.

With the slider 60 and the roller 70 described above,
The upper rail 32 is positioned with respect to the lower rail 31 in the up-down direction and the side direction.
Is slidable with respect to the lower rail 31.

Next, the lock device 74 will be described with reference to FIGS.
This is performed using FIGS. 7 and 8. As shown in FIG. 4, the middle portion of the upper rail 32, that is, the second upper rail 51.
In the part where there is no, it is provided on the first upper rail 50,
A first lock plate guide 76 for guiding the lock plate 75 in the vertical direction is provided.

Further, as shown in FIG. 8, a second lock plate guide 77 is provided on the upper part of the first upper rail 50, which engages with the upper part of the lock plate 75 and guides the lock plate 75 in the vertical direction. Has been.

Then, at the bottom of the lock plate 75,
Lock hole 34a formed in the bottom surface 34 of the lower rail 31
Is formed with two lock teeth 75a.
On the other hand, on the side of the upper rail 32, as shown in FIG. 5, two brackets 81 that rotatably support the lock shaft 80 are provided. A pin 82 that is loosely fitted in an elongated hole 75b formed in the upper portion of the lock plate 75 and extending in the vertical direction is attached to an intermediate portion of the lock shaft 80.

The spring 83 provided at one end of the lock shaft 80 has one end locked to the bracket 81, an intermediate portion wound around the lock shaft 80, and the other end formed on the end surface of the lock shaft 80. The lock tooth 75a of the lock plate 75 is locked in the groove 80a formed therein, and gives the lock shaft 80 an urging force in a direction in which the lock tooth 75a of the lock plate 75 meshes with the lock hole 34a of the lower rail 31. An operation lever 85 is fixed to the other end of the lock shaft 80.

Next, the operation of the above configuration will be described. Due to the biasing force of the spring 83 of the lock device 74 provided on the upper rail 32 side, the lock teeth 75 a of the lock plate 75 are locked in the lock holes 34 a of the bottom surface 34 of the lower rail 31.
And the movement of the upper rail 32 is prohibited.

Here, when the lock shaft 80 is rotated against the biasing force of the spring 83 using the operating lever 85, the pin 82 of the lock shaft 80 presses the upper wall surface of the elongated hole 75b of the lock plate 75. , The lock plate 75 is moved upward. When the lock plate 75 moves upward, the lock teeth 75a of the lock plate 75
Then, the engagement with the lock hole 34a is released, and the upper rail 32 becomes movable with respect to the lower rail 31.

When the upper rail 32 is moved to the desired position, the operating force of the operating lever 85 is released. Then, the biasing force of the spring 83 causes the lock teeth 75a of the lock plate 75 to mesh again with the lock holes 34a of the lower rail 31, and the movement of the upper rail 32 is prohibited.

According to the above construction, the bracket 71 for rotatably supporting the roller 70 rolling on the lower rail 31 is sandwiched between the plate-shaped first upper rail 50 and the plate-shaped second upper rail 51. Due to the dent, the bracket 71 can be easily attached, and the number of assembling steps can be reduced.

Further, the first and second upper rails 50, 51 are provided at the front and rear portions of the upper rail 32 provided with a seat mounting weld nut 65 against which an impact load from the seat acts when a vehicle crashes. 1 and second base 5
Since the first and the first reinforcing portions 61 and 62 extending in parallel to the floor are formed by bending the bending portions 2 and 53, reinforcing parts and the like are not required, and the number of assembling steps can be reduced and the cost can be reduced.

In addition, the second reinforcing portion 6 extending to the second upper rail 51 in the direction intersecting the seat slide plane.
By forming 6, the strength of the upper rail 32 can be further increased.

The present invention is not limited to the above embodiment. In the above-described embodiment, the first and first 'reinforcing portions 61, 62 are formed on the front and rear portions of the upper rail 32 provided with the weld nut 65, but they may be formed on the entire upper rail 32.

Further, although the second reinforcing portion 66 is formed only on the second upper rail 51, it may be formed on the first upper rail 50, or on the first and second upper rails 50, 51. You may form.

[0042]

As described above, according to the seat slide device of the first invention, the bracket for rotatably supporting the roller rolling on the lower rail is provided with the plate-like first upper rail and the plate-like first bracket. Since it is sandwiched between the upper rail and the second upper rail, the bracket can be easily attached and the number of assembling steps can be reduced.

According to the seat slide device of the second aspect of the present invention, since the first reinforcing portion is formed continuously with the base portion of the upper rail and extends in the direction substantially parallel to the floor, the number of assembling steps is increased. The strength of the upper rail is improved without using a reinforcing member or the like that causes a cost increase.

Here, the cost can be reduced by limiting the formation location of the first reinforcing portion to the vicinity of the mounting position of the upper rail to the seat where the impact load acts. Furthermore,
The upper rail is formed of at least one of the first and second upper rails, is connected to the base portion and the first reinforcement portion, and forms a second reinforcement portion extending in a direction intersecting the seat slide direction. As a result, the strength of the upper rail can be further improved.

[Brief description of drawings]

1 is a cross-sectional view taken along a cutting line DD in FIG. 4, which is an enlarged view of an upper rail of an embodiment of a seat slide device of the present invention.

FIG. 2 is a front view of the seat slide device according to the embodiment of the present invention.

FIG. 3 is a top view in FIG. 2;

FIG. 4 is an enlarged view of the upper rail in FIG.

FIG. 5 is a top view of FIG.

6 is a cross-sectional view taken along the section line AA in FIG.

FIG. 7 is a view on arrow B in FIG.

8 is a cross-sectional view taken along the section line CC in FIG.

FIG. 9 is a cross-sectional configuration diagram of a conventional seat slide device.

FIG. 10 is a perspective view of the roller in FIG.

[Explanation of symbols]

 31 Lower Rail 32 Upper Rail 50 First Upper Rail 51 Second Upper Rail 70 Roller 71 Bracket

Claims (4)

[Claims]
1. A seat slide device having a lower rail fixed to a floor side and an upper rail slidably engaged with the lower rail and having a seat attached thereto, wherein the upper rail is a plate-shaped first upper rail. A plate-shaped second upper rail laminated on the first upper rail, and rotatably a roller rolling on the lower rail between the first upper rail and the second upper rail. A seat slide device in which a supporting bracket is sandwiched.
2. A seat slide device having a lower rail fixed to the floor side and an upper rail slidably engaged with the lower rail and having a seat attached thereto, wherein the upper rail is a plate-shaped first upper rail. It is configured by a plate-shaped second upper rail laminated on the first upper rail, the upper rail, the base portion consisting of the first and second upper rails, extending in a direction substantially perpendicular to the floor, A seat slide device comprising: the first and second upper rails; and a first reinforcing portion that is connected to the base portion and extends in a direction substantially parallel to the floor.
3. The seat slide device according to claim 2, wherein the first reinforcing portion is formed at least around a position where the upper rail is attached to the seat.
4. The upper rail includes at least one of the first and second upper rails, is connected to the base portion and the first reinforcing portion, and extends in a direction intersecting a seat slide plane. The seat slide device according to claim 2 or 3, wherein a second reinforcing portion is formed.
JP07227837A 1995-09-05 1995-09-05 Seat slide device Expired - Fee Related JP3138193B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07227837A JP3138193B2 (en) 1995-09-05 1995-09-05 Seat slide device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07227837A JP3138193B2 (en) 1995-09-05 1995-09-05 Seat slide device

Publications (2)

Publication Number Publication Date
JPH0971157A true JPH0971157A (en) 1997-03-18
JP3138193B2 JP3138193B2 (en) 2001-02-26

Family

ID=16867152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07227837A Expired - Fee Related JP3138193B2 (en) 1995-09-05 1995-09-05 Seat slide device

Country Status (1)

Country Link
JP (1) JP3138193B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8091851B2 (en) 2008-08-27 2012-01-10 Aisin Seiki Kabushiki Kaisha Slide device for vehicle
EP2436552A2 (en) 2010-09-28 2012-04-04 Aisin Seiki Kabushiki Kaisha Slide apparatus for vehicle and rolling element circulation unit for the same
JP2015024781A (en) * 2013-07-29 2015-02-05 テイ・エス テック株式会社 Vehicle slide rail device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8091851B2 (en) 2008-08-27 2012-01-10 Aisin Seiki Kabushiki Kaisha Slide device for vehicle
EP2436552A2 (en) 2010-09-28 2012-04-04 Aisin Seiki Kabushiki Kaisha Slide apparatus for vehicle and rolling element circulation unit for the same
US8844891B2 (en) 2010-09-28 2014-09-30 Aisin Seiki Kabushiki Kaisha Slide apparatus for vehicle and rolling element circulation unit for the same
JP2015024781A (en) * 2013-07-29 2015-02-05 テイ・エス テック株式会社 Vehicle slide rail device

Also Published As

Publication number Publication date
JP3138193B2 (en) 2001-02-26

Similar Documents

Publication Publication Date Title
JP5835044B2 (en) Vehicle seat
DE10108287B4 (en) Body structure
US4492408A (en) Vehicle seat construction and method of making the same
KR100610431B1 (en) Seat slide mechanism for automobile
US4730804A (en) Seat slide rail device
US7644978B2 (en) Vehicle floor structure for a motor vehicle
TW501993B (en) Structure of side crashproof retainer for cars
JP3845425B2 (en) Adjustment structure of seat belt device in vehicle
US6279982B1 (en) Vehicle seat storing device
US7537283B2 (en) Automobile seat with impact-absorbable seatback
US6450574B1 (en) Vehicle seat with occupant protection devices
US6616230B2 (en) Slidable vehicle seat assembly
US6086141A (en) Body structure for motor vehicle
EP1268261B1 (en) Vehicle body base
JP5654764B2 (en) Sliding device for vehicle seat
US7000880B2 (en) Slide for motor vehicle seat
EP1792808A1 (en) Lower vehicle body structure and vehicle provided therewith
EP0921055A2 (en) Operator's cab in construction machine
US20060181107A1 (en) Vehicle door
US4804229A (en) Seat slide device
US3224525A (en) Step unit for motor vehicles
EP0215220B1 (en) Seat belt, in particular a 3-point seat belt for vehicles
US20070145224A1 (en) Seat apparatus for vehicle
EP0619215A1 (en) Undercarriage structure of motor vehicle
US7857350B2 (en) Seat apparatus for vehicle

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081208

Year of fee payment: 8

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 8

Free format text: PAYMENT UNTIL: 20081208

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091208

Year of fee payment: 9

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101208

Year of fee payment: 10

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 10

Free format text: PAYMENT UNTIL: 20101208

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 11

Free format text: PAYMENT UNTIL: 20111208

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111208

Year of fee payment: 11

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 12

Free format text: PAYMENT UNTIL: 20121208

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121208

Year of fee payment: 12

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121208

Year of fee payment: 12

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 13

Free format text: PAYMENT UNTIL: 20131208

LAPS Cancellation because of no payment of annual fees