JP4449062B2 - Seat assembly structure and assembly method - Google Patents

Description

  The present invention relates to an automobile seat assembly structure and an assembly method.

  Conventionally, the movable storage sheet is configured, for example, as shown in FIG. The movable storage seat 1 shown in FIG. 3 includes a seat portion 2 and a backrest portion 3, and the seat portion 2 is supported via a support arm 5 with respect to a vehicle compartment floor surface 4 of the automobile. The support shafts 5a and 5b at both ends of the support arm 5 are pivotally supported with respect to the vehicle compartment floor surface 4 and the seat portion 2, respectively. As shown in the figure, the passenger compartment floor surface 4 is configured in a stepped manner, specifically, a lower floor surface 4a, and an upper floor surface 4b located at a position higher than the lower floor surface 4a, And an inclined surface 4c connecting the lower floor surface 4a and the upper floor surface 4b.

As the support arm 5 swings, the seat 2 moves parallel to the passenger compartment floor surface 4 and is drawn upward from the storage position (reference A) on the lower floor surface 4a and placed on the upper floor surface 4b. It is possible to move to the placed use position (symbol B).
Further, when the seat portion 2 is at the use position B, the lock portion 2a provided on the lower surface of the seat portion 2 engages with the engagement portion 4b1 provided on the upper floor surface 4b. It can be locked.

  The back pad 3 is supported so that the lower end thereof can swing with respect to the vicinity of the rear end of the seat 2, and can be laid forward so as to contact the seat 2.

  According to the movable storage sheet 1 having such a configuration, when the seat is used, the seat portion 2 is pulled up from the lower floor surface 4a, and the lock portion 2a engages with the engaging portion 4b1, so that the use position B is reached. It is held fixed. Further, at the time of storage, the lock part 2a of the seat part 2 is released from the engaging part 4b1, and the seat part 2 is moved to the storage position A on the lower floor surface 4a, and the backrest part 3 is laid down forward.

By the way, the support arm 5 is configured such that the support shaft 5a on the vehicle compartment floor surface side is pivotally supported by the foot bracket 6 and can swing with respect to the foot bracket 6. 4 is fixedly held on an inclined surface 4c near the lower floor surface 4a in the illustrated example.
Here, when assembling the movable storage seat 1 into the passenger compartment, first, as an assembling reference, it was attached to the lower end of the support arm 5 with the lock portion 2a of the seat portion 2 engaged with the engaging portion 4b1. With respect to the position of the foot bracket 6 on the inclined surface 4c, as shown in FIG. 4, the positioning bracket 7 attached to the inclined surface 4c of the passenger compartment floor surface 4 in advance to the positioning bracket 6a for positioning the foot bracket 6 The foot bracket 6 is positioned by abutting.

As shown in FIG. 4, the temporary bracket 7 is provided with two spotting bolts 8a, 8a as shown in FIG. 4 or two spots on the inclined surface 4c of the passenger compartment floor surface 4. It is fixed by welding 8b, 8b.
In the state where the foot bracket 6 is brought into contact with and positioned with respect to the temporary mounting bracket 7 attached to the passenger compartment floor surface 4 in this manner, the foot bracket 6 is used with the fastening bolts 9 as shown in FIG. Fixed to the vehicle compartment floor 4. As a result, the foot bracket 6 is positioned with high accuracy with respect to the passenger compartment floor 4 and is securely fixed.

On the other hand, Patent Document 1 discloses a method for assembling a vehicle seat frame. According to this assembling method, flaw holes are provided in the frame base member and the frame component member, and the frame base member and the frame component member are temporarily fixed to the assembled shape with a set screw through these flaw holes, They are joined together by welding.
JP 2004-359186 A

  By the way, in the movable storage seat 1 described above, the temporary storage bracket 7 is positioned and fixed in advance with respect to the vehicle interior floor surface 4 when the movable storage seat 1 is assembled in the vehicle interior. The placing bracket 7 is formed long in the lateral direction so as to be surely positioned with respect to the foot bracket 6. As described above, the two fastening bolts 8a, 8a or the two spot welds 8b, 8b are provided. Thus, it is fixedly held with respect to the passenger compartment floor surface 4.

For this reason, the temporary placement bracket 7 is relatively large and has directionality. For example, when tightening with the tightening bolts 8a and 8a, the temporary mounting bracket 7 is rotated with the rotation of the tightening bolts 8a and 8a. It is necessary to hold the temporary placement bracket 7 so as not to rotate.
Therefore, the operator needs to tighten the fastening bolts 8a and 8a with the other hand while pressing the temporary placement bracket 7 with one hand, and the workability is poor.
Furthermore, the temporary mounting bracket 7 may be slightly rotated and displaced from the horizontal direction, and may be attached obliquely. In this case, the mounting accuracy of the foot bracket 6 may vary. Become.

  On the other hand, the assembly method according to Patent Document 1 does not temporarily fix the foot bracket of the movable storage seat, but has a different object and configuration from the present invention.

  In view of the above points, an object of the present invention is to provide a seat assembling structure and an assembling method that can be easily operated at a low cost with a simple configuration.

In order to achieve the above object, the present invention provides a seat including a seat portion and a support arm that connects the seat portion and the passenger compartment floor surface, wherein the support arm swings and the seat portion moves. provisional placing means is held at the clamping bolts to the surface, one end of the support arm is being swingably supported on the foot bracket, the foot bracket is received by the temporary means for positioning of the foot bracket sheet The temporary placement means includes a mounting hole and an outer edge formed concentrically with the mounting hole, and is formed in a circular shape concentric with the mounting hole. The foot bracket is received by the mounting hole and attached to the floor surface of the passenger compartment, and the foot bracket is positioned by abutment of the positioning portion of the foot bracket on the outer edge of the temporary placing means. For example, a cylindrical bracket can be used as the temporary placing means.

  In the assembling structure of the movable storage sheet according to the present invention, preferably, the positioning portion of the foot bracket is configured as a notch portion for receiving the temporary placing means.

In order to achieve the above object, the present invention comprises a seat that includes a seat and a support arm that connects the seat and the passenger compartment floor, and the seat moves when the support arm swings. A method of assembling a seat in which the temporary placing means is fixedly held on the floor of the passenger compartment with a tightening bolt, one end of the support arm is swingably supported by the foot bracket, and the foot bracket is received by the temporary placing means to position the foot bracket The temporary placing means includes a mounting hole for receiving one tightening bolt, an outer edge concentric with the mounting hole, and a flange extending from the outer edge, and is formed in a circular shape concentric with the mounting hole. The temporary placing means is fixedly held on the passenger compartment floor surface by inserting a tightening bolt into the mounting hole of the temporary placing means positioned at a predetermined position on the passenger compartment floor surface and tightening, thereby Foot bracket against the outer edge of the temporary placing means fixedly held on Is brought into contact with the door positioning portion, after positioning the foot bracket, it is characterized in that fixing and holding the foot bracket against the cabin floor surface.

  According to the above configuration, the temporary placing means is fastened and fixed to the predetermined position of the vehicle compartment floor surface by the single fastening bolt in advance. Thereafter, the foot bracket is fixedly held with respect to the passenger compartment floor surface by the tightening bolt in a state where the positioning portion of the foot bracket is in contact with the temporary placing means. As a result, the foot bracket is accurately positioned with respect to the passenger compartment floor and is securely fixed.

In this case, the outer edge of the temporary placing means is not directional because it is formed in a concentric circle with respect to the fastening bolt mounting hole. For this reason, even if the temporary placement means rotates when the fastening bolt is tightened, the orientation of the outer edge of the temporary placement means does not shift. For this reason, when tightening the tightening bolt, the operator does not need to hold the temporary placing means with one hand, and workability is improved.
In addition, since the temporary placement means is a circular shape concentric with the mounting hole and is fixed to the vehicle floor by a single fastening bolt, the temporary placement means itself is configured in a small size and the number of parts Therefore, the assembly work can be simplified.

  When the temporary placing means has a flange portion that presses the foot bracket from above, when positioning the foot bracket by the temporary placing means, the flange portion of the temporary placing means presses the vicinity of the positioning portion of the foot bracket, The lift of the foot bracket from the passenger compartment floor is prevented, and the foot bracket is reliably positioned.

  When the positioning part of the foot bracket is configured as a notch part that receives the temporary placing means, the outer edge of the temporary placing means is fitted into the notch part of the positioning part of the foot bracket when positioning the foot bracket. Thus, the foot bracket is reliably positioned in the lateral direction along the longitudinal direction of the positioning portion.

  According to the present invention, the temporary placing means for positioning the foot bracket has a circular outer edge and is fixed to the vehicle compartment floor surface with only one fastening bolt, so that it is small and lightweight. As well as being constructed, the assembly is easy and quick.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an assembly structure of a movable storage sheet according to an embodiment of the present invention. The movable storage sheet 10 according to the embodiment of the present invention has the same configuration as the movable storage sheet 1 shown in FIG. 3 as a whole. In FIG. 1, a support arm 11 as a main part of the movable storage sheet 10. Only the lower end and the foot bracket 12 and the temporary placing means 13 are shown. The support arm 11 has the same configuration as the support arm 5 in the movable storage seat 1 shown in FIG. 3, and the support shafts at both ends of the support arm 11 are pivotable so as to be swingable with respect to the passenger compartment floor and the seat. It is supported. In the figure, only one support shaft 11a of the support arm 11 is shown, and the support shaft connected to the seat is not shown. Also in this embodiment, the passenger compartment floor surface 14 (see FIG. 2A) connects the lower floor surface and the upper floor surface, the lower floor surface, and the upper floor surface that are higher than the lower floor surface. It is the same as the structure shown as a conventional example in FIG.

In this case, as shown in FIG. 2, the foot bracket 12 includes a positioning portion 12a formed as a relatively short cutout in the longitudinal direction.
On the other hand, the temporary placing means 13 includes one mounting hole 13a for receiving only one tightening bolt. Further, the temporary placing means 13 is formed with a circular outer edge 13b concentric with the mounting hole 13a. From the outer edge 13b, a raised flange portion 13c is extended.
As a result, the temporary placement means 13 is formed in a small circular shape, specifically a bowl shape, as compared with the temporary placement bracket 7 in the movable storage sheet 1 shown in FIG.

  The structure for assembling the movable storage seat according to the embodiment of the present invention is configured as described above. When the movable storage sheet 10 is assembled in the vehicle interior, the temporary placement means 13 is first shown in FIG. As shown, it is brought to a predetermined position on the passenger compartment floor 14, which is an inclined surface in this embodiment, and the fastening bolts 15 are inserted into the mounting holes 13 a and tightened to be fixed to the passenger compartment floor 14. Retained.

In this case, since the temporary placing means 13 is formed on the rotation object centered on the mounting hole 13a, that is, the contour shape is not provided with a circular outer edge 13b. Even if the temporary placing means 13 is slightly rotated, the position of the outer edge 13b is not substantially shifted.
Therefore, the operator does not need to press the temporary placing means 13 when tightening the tightening bolt 15, and can perform the operation with one hand.

  Thereafter, the positioning portion 12 a of the foot bracket 12 is brought into contact with the outer edge 13 b of the temporary placement means 13. As a result, the foot bracket 12 is accurately positioned, and the flange portion 13c of the temporary placement means 13 covers the surface of the foot bracket 12 near the positioning portion 12a, so that the foot bracket 12 is placed on the temporary placement means 13. Lifting is prevented and it is held securely.

  In this state, as shown in FIG. 3, which shows the prior art, as shown in FIG. 3, the lock portion 2a of the seat portion 2 is engaged with the engaging portion 4b1, and as shown in FIG. The foot bracket 12 pivotally supported at the lower end of the arm 11 is fixedly held to the passenger compartment floor surface 14 by a fastening bolt 16. As a result, the foot bracket 12 is positioned with high accuracy relative to the passenger compartment floor 14 and is securely fixed and held. In this way, the movable storage sheet 10 is assembled to the passenger compartment floor 14.

In this case, the temporary placing means 13 has a circular shape concentric with the mounting hole 13a, and is fixed to the passenger compartment floor surface 14 with a single fastening bolt 15, so that the temporary placing means 13 itself is small and light. In addition, since only one fastening bolt 15 is required, the number of parts can be reduced, and the overall structure can be reduced in size and weight, and the parts cost and assembly cost can be reduced.
Further, since the tightening operation of the temporary placement means 13 can be performed with one hand, the assembly operation is simplified and the workability is improved.

  Furthermore, by making the cutout shape of the positioning portion 12a of the foot bracket 12 and the temporary placement means 13 common, the positioning work of the foot bracket for the movable storage seat in each vehicle type can be provided with versatility. At that time, since the temporary placing means 13 is formed in a small size, the restriction of the installation space for the temporary placing means 13 is reduced.

As described above, the present invention can be implemented in various forms. For example, in the above-described embodiment, the temporary placing means 13 includes the flange portion 13c, but the flange portion 13c is not always essential.
Further, as shown in FIG. 3, the place where the foot bracket 12 is fixedly held is not limited to the inclined surface of the passenger compartment floor surface 14 but may be on the lower floor surface.

It is a principal part perspective view which shows the structure of one Embodiment of the assembly | attachment structure of the sheet | seat by this invention. The engagement state of the foot bracket to the temporary placement means in the seat assembly structure of FIG. 1 is shown, (A) is a partially enlarged plan view, and (B) is a sectional view. It is a schematic side view which shows the structure of an example of the assembly | attachment structure of the conventional movable storage sheet | seat. The engagement state of the foot bracket to the temporary placement bracket in the assembly structure of the movable storage sheet in FIG. 3 is shown, (A) is a partially enlarged plan view, and (B) is a sectional view. The other structure of the engagement state of the foot bracket to the temporary placement bracket in the assembly structure of the movable storage sheet of FIG. 3 is shown, (A) is a partially enlarged plan view, and (B) is a sectional view. FIG. 4 is a partially enlarged perspective view showing a relationship between a foot bracket and a temporary placement bracket in the assembly structure of the movable storage sheet in FIG. 3.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Seat 11 Support arm 12 Foot bracket 13 Temporary placing means 13a Mounting hole 13b Outer edge of temporary placing means 13c Flange part 14 Car floor surface 15 Tightening bolt 16 Tightening bolt

Claims (4)

A seat, a support arm for coupling the the seat and cabin floor, provided with, in the seat of the supporting arm moves the seat swings, provisional placing means clamping said casing floor is fixed and held by the urging volts, the one end of the support arm is being swingably supported by the leg bracket assembly to position the foot bracket to Resid over preparative receiving said foot bracket with said temporary means Structure,
The temporary placement means are formed in a circular of the mounting hole concentrically with a flange portion extending from the outer edge and the outer edge is formed in the mounting hole and the mounting hole concentrically, the clamping characterized Tei Rukoto mounted on the casing floor by receiving a biasing bolt mounting holes, sheet assembly of structures. 2. The seat assembling structure according to claim 1, wherein the positioning portion of the foot bracket is configured as a notch for receiving the temporary placement means. The seat assembling structure according to claim 1 or 2, wherein the temporary placing means is a cylindrical bracket. A seat, a support arm for coupling the the seat and cabin floor, provided with, in the seat of the supporting arm moves the seat swings, tighten the temporary means to the casing floor was held at the urging bolt, wherein one end of the support arm and swingably supported on the foot bracket, a sheet of assembling methods so as to position the foot bracket receiving foot bracket by the temporary means And
Said temporary means, before SL and a flange portion that extends between the mounting hole from the mounting hole and concentric outer and outer edges for receiving the fastening bolt is formed in a circular shape of the mounting hole concentrically,
By inserting and tightening a tightening bolt into the mounting hole of the temporary placement means positioned at a predetermined position on the floor surface of the passenger compartment, the temporary placement means is fixedly held on the passenger compartment floor surface,
After positioning the foot bracket by bringing the positioning portion of the foot bracket into contact with the outer edge of the temporary placing means fixedly held on the floor surface of the passenger compartment, the foot bracket is placed against the floor surface of the passenger compartment. A method for assembling a sheet, wherein the sheet is fixedly held.

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