JPH0246418Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a rotating device for a separate sheet for a vehicle.

(Prior art) Conventionally, a disk-shaped fixed frame is fixed horizontally to a mounting seat fixed to the vehicle body or the vehicle body side.
A rotating frame for attaching a rotating seat is superimposed on the upper surface of the fixed frame, and the fixed frame and rotating frame rotate around a vertical axis in the center by a bearing in the center and concentric bearings closer to the outside. A freely provided one is described in Japanese Utility Model Publication No. 46-35008 and is well known.

(Problems to be Solved by the Invention) However, in the known device, the thickness of the rotating device in the vertical direction is large, making the interior space of the vehicle narrow. Additionally, in the case of bearings, the seat did not rotate smoothly, had poor durability, and produced unpleasant noises during rotation.

(Means for Solving the Problem) Therefore, in the present invention, a cylindrical portion 3 is formed at the center of a fixed frame 1 attached to the vehicle body side, and an annular horizontal flange portion 4 is formed at the upper part of the cylindrical portion 3. Then, an arc-shaped buffer member 5 having a U-shaped cross section is formed of synthetic resin, and the annular horizontal flange portion 4 is fitted into the groove 10 of the arc-shaped buffer member 5 to attach the upper surface of the arc-shaped buffer member 5. A desired number of rollers 12 are arranged, and a box-shaped frame 6 is placed on top of the rollers 12. A cylindrical part 16 is arranged on the inner surface of the arc-shaped buffer member 5, and the upper part of the cylindrical part 16 is shaped like a box. A rotating device for a separate seat for a vehicle, which is fixed to a frame 6, the lower part of the cylindrical portion 16 is formed as a support flange portion 18, and is brought into contact with the lower surface of the arc-shaped buffer member 5; In item 1, the arc-shaped buffer member 5
This is a rotating device for a separate sheet for a vehicle, in which a protrusion 19 is formed on the inner surface of the seat.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a fixed frame attached to the vehicle body, and the fixed frame 1 is formed in a rectangular shape from a thin metal plate. Front and rear slide rails 2 are attached to both left and right sides of the lower surface of the fixed frame 1, and are fixed to the vehicle body via the slide rails 2 so as to be movable back and forth.

A cylindrical portion 3 is formed in the center of the fixed frame 1 and extends upward. An annular horizontal flange portion 4 is formed at the upper end of the cylindrical portion 3 and protrudes toward the center over the entire circumference.

Reference numeral 5 denotes an arc-shaped buffer member provided between the fixed frame 1 and the box-shaped frame 6 of the seat portion of the separate vehicle seat. The box-shaped frame 6 is formed as a skeletal frame of a seat portion of a separate seat for a vehicle.

The arc-shaped buffer member 5 is made of synthetic resin. The arc-shaped buffer member 5 integrally connects the inner ends of a horizontal arc-shaped upper plate 7 and a horizontal arc-shaped lower plate 8 by a vertical connecting portion 9, and has a U-shaped cross section. The arc-shaped buffer member 5 is formed in an arc shape when viewed from above, and is attached by inserting the annular horizontal flange portion 4 into an insertion groove 10 formed between an arc-shaped upper plate 7 and an arc-shaped lower plate 8. A plurality of arc-shaped buffer members 5 are attached at equal intervals, and in this embodiment, three are attached.

A groove 1 is formed on the upper surface of the arc-shaped upper plate 7 of the arc-shaped buffer member 5.
1 is formed, and a roller 12 is fitted into the groove 11. That is, a roller 12 is interposed between the arcuate upper plate 7 of the arcuate buffer member 5 and the lower surface of the bottom plate 13 of the box-shaped frame 6 to support the box-shaped frame 6 and to smoothly rotate the box-shaped frame 6. do.

A stopper 14 is provided on the upper surface of the annular horizontal flange portion 4 to prevent movement of the arc-shaped buffer member 5, thereby preventing the box-shaped frame 6 from tilting.

Reference numeral 15 denotes a mounting frame, which is attached to the lower surface of the box-shaped frame 6 and rotates together with the box-shaped frame 6. The upper end of the vertical cylindrical portion 16 of the mounting frame 15 is bent toward the center over the entire circumference to form a mounting portion 17, and the lower end of the cylindrical portion 16 is bent approximately horizontally toward the outside over the entire circumference. A support flange portion 18 is formed to protrude from the support flange portion 18, and the cross-sectional shape is formed into a square shape. The mounting portion 17 of the mounting frame 15 is attached to the bottom plate 13 of the box-shaped frame 6 with bolts, and the support flange portion 18 is attached to the arc-shaped buffer member 5.
It is slidably brought into contact with the lower surface of the arc-shaped lower plate 8.

Thus, a protrusion 19 is formed on the inner surface of the coupling portion 9 of the arc-shaped buffer member 5, and the protrusion 19 is brought into contact with the cylindrical portion 16 of the mounting frame 15. Projection 1
Reference numeral 9 is for reducing contact resistance when the mounting frame 15 rotates, and is inserted into the insertion groove 1 of the arc-shaped buffer member 5.
A plurality of them are arranged substantially horizontally on the inner surface of 0 toward the center.

Reference numeral 20 denotes a lock device for regulating the rotation of the box-shaped frame 6. The box-shaped frame 6 has a left and right axis 2.
1, and a vertical engagement piece 22 is rotatably fixed to the tip of the shaft 21. The engagement piece 22 projects downward from a through hole 23 formed in the bottom plate 13 of the box-shaped frame 6, and its lower end is engaged with an engagement hole 24 formed in the cylindrical portion 3 of the fixed frame 1. 25 is a spring that always urges the engagement piece 22 in the direction of the engagement hole 24; 26;
is an operating lever of the locking device 20.

(effect) Next, we will discuss the effect.

The insertion groove 10 of the arc-shaped buffer member 5 is inserted into the annular horizontal flange portion 4 of the fixed frame 1, and the roller 1 is inserted into the groove 11 on the upper surface of the arc-shaped upper plate 7 of the arc-shaped buffer member 5.
2 is mounted, the cylindrical portion 16 of the mounting frame 15 is placed inside the arc-shaped buffer member 5, and the mounting frame 1 is placed on the mounting frame 1.
5 is attached to the lower surface of the bottom plate 13 of the box-shaped frame 6, and the lower horizontal support flange portion 18 of the attachment frame 15 is brought into contact with the lower surface of the arc-shaped buffer member 5, so that they are integrally assembled.

The lower surface of the fixed frame 1 is attached to the vehicle body via slide rails 2, 2.

Therefore, the box-shaped frame 6 is formed as a skeletal frame of the seat portion of the separate vehicle seat, and also serves as a rotation frame of the seat rotation device, and is connected to the box-shaped frame 6 of the seat portion and the mounting frame 15.
Since the arc-shaped buffer member 5 is provided between the two, the overall thickness can be made thin.

When the operating lever 26 of the lock device 20 is operated against the elasticity of the spring 25 and the engagement piece 22 engaged with the engagement hole 24 is released, the arc-shaped buffer member 5 is fixed. Since movement is prevented by a stopper 14 provided on the upper surface of the annular horizontal flange portion 4 of the frame 1, the box-shaped frame 6 rotates together with the mounting frame 15.

The rotation of this box-shaped frame 6 is
A roller 12 is provided between the lower surface of the bottom plate 13 of the arc-shaped buffer member 5 and the upper surface of the arc-shaped upper plate 7 of the arc-shaped buffer member 5, and the upper surface of the support flange portion 18 of the mounting frame 15 is connected to the arc-shaped buffer member 5 formed of synthetic resin. Since it is in contact with the lower surface of the arcuate lower plate 8, it rotates extremely smoothly and does not produce unpleasant noises.

Therefore, since the inner surface of the joint portion 9 of the arc-shaped buffer member 5 and the outer surface of the cylindrical portion 16 of the mounting frame 15 are in line contact with each other by the protrusion 19 provided on the joint portion 9, the contact resistance is small. The seat can be rotated with light force.

Therefore, when a load is applied to the box-shaped frame 6 at an offset position, the support flange portion 18 on one side of the mounting frame 15 attached to the box-shaped frame 6 moves downward, but the support flange portion on the other side moves downward. Reference numeral 18 is the lower surface of the annular horizontal flange portion 4 of the fixed frame 1, which prevents the upward movement thereof and maintains the horizontal state of the box-shaped frame 6 at all times. Furthermore, since the support flange portion 18 and the annular horizontal flange portion 4 are formed over the entire circumference, no matter where the load is applied to the box-shaped frame 6, it is prevented from tilting, and even against excessive loads. It works stably and is highly durable.

(Effects) As mentioned above, conventionally, a disk-shaped fixed frame is fixed horizontally to a mounting seat fixed to the vehicle body or the vehicle body side, and the upper surface of the fixed frame has a rotating seat for mounting a rotating seat. The frame is overlapped, and the fixed frame and rotating frame are rotatable around a vertical axis in the center by a bearing in the center and concentric bearings closer to the outside.
This method is publicly known as described in Japanese Patent No. 35008. but,
In the known device, the thickness of the rotating device in the vertical direction is large, making the interior space of the vehicle narrow. In addition, the seats that use bearings do not rotate smoothly, have poor durability, and produce unpleasant noises during rotation.

However, in the present invention, a cylindrical part 3 is formed in the center of a fixed frame 1 attached to the vehicle body, an annular horizontal flange part 4 is formed in the upper part of the cylindrical part 3, and a circular part with a U-shaped cross section is made of synthetic resin. An arc-shaped buffer member 5 is formed, the annular horizontal flange portion 4 is fitted into the groove 10 of the arc-shaped buffer member 5, and a desired number of rollers 12 are arranged on the upper surface of the arc-shaped buffer member 5. A box-shaped frame 6 is placed on the upper part, a cylindrical part 16 is arranged on the inner surface of the arc-shaped buffer member 5, the upper part of the cylindrical part 16 is fixed to the box-shaped frame 6, and the cylindrical part 16 is A rotating device for a vehicle separate seat, the lower part of which is formed in a support flange portion 18 and brought into contact with the lower surface of the arc-shaped buffer member 5;
This is a rotating device for a separate seat for a vehicle, which has protrusions 19 formed on the inner surface of the seat. Since it has a configuration in which it also serves as a rotating frame and an arc-shaped buffer member 5 is provided between the box-shaped frame 6 of the seat section and the mounting frame 15,
The overall thickness can be made thin.

(b) The rotation of the box-shaped frame 6 is controlled by the rollers 12 provided between the lower surface of the bottom plate 13 of the box-shaped frame 6 and the upper surface of the arc-shaped upper plate 7 of the arc-shaped buffer member 5, and the rotation of the support flange portion 18 of the mounting frame 15. Since the upper surface is in contact with the lower surface of the arcuate lower plate 8 of the arcuate buffer member 5 made of synthetic resin, the rotation is extremely smooth and no unpleasant noise is produced.

C. Since the inner surface of the joint portion 9 of the arc-shaped buffer member 5 and the outer surface of the cylindrical portion 16 of the mounting frame 15 are in line contact with each other due to the protrusion 19 provided on the joint portion 9, the contact resistance is small and the seat portion can be rotated with light force.

D. When a load is applied to the box-shaped frame 6 in an offset position, the support flange portion 18 on one side of the mounting frame 15 attached to the box-shaped frame 6 moves downward, but the support flange portion 18 on the other side moves downward. The lower surface of the annular horizontal flange portion 4 of the fixed frame 1 prevents upward movement, and the horizontal state of the box-shaped frame 6 is always maintained.

E. Since the support flange portion 18 and the annular horizontal flange portion 4 are formed over the entire circumference, they prevent inclination no matter where the load is applied to the box-shaped frame 6, and are stable even against excessive loads. It acts,
It has a highly durable effect.

There is an effect.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional perspective view of the main part, Fig. 2 is an exploded perspective view of the main part, Fig. 3 is a vertical cross-sectional front view of the main part, Fig. 4 is a longitudinal cross-sectional side view of the locking device part, and Fig. 5 is a circle. It is a perspective view of an arcuate buffer member. Explanation of symbols, 1... Fixed frame, 2... Slide rail, 3... Cylindrical part, 4... Annular horizontal flange part, 5... Arc-shaped buffer member, 5, 6... Box-shaped frame, 7... Arc-shaped upper plate, 8... Arc-shaped lower plate, 9
...Joining portion, 10...Insertion groove, 11...Groove, 12
...Kolo, 13...Bottom plate, 14...Stopper,
15...Mounting frame, 16...Cylindrical portion, 17...
...Mounting part, 18...Support flange part, 19...Protrusion, 20...Lock device, 21...Shaft, 22...
Engagement piece, 23... through hole, 24... engagement hole, 25...
...Spring, 26...Operation lever.

Claims (1)

[Claims for Utility Model Registration] (1) A cylindrical part 3 is formed in the center of a fixed frame 1 attached to the vehicle body, an annular horizontal flange part 4 is formed in the upper part of the cylindrical part 3, and the fixed frame 1 is made of synthetic resin. An arc-shaped buffer member 5 having a U-shaped cross section is formed, and the annular horizontal flange portion 4 is fitted into the groove 10 of the arc-shaped buffer member 5 to attach it. A box-shaped frame 6 is placed on top of the roller 12, a cylindrical part 16 is arranged on the inner surface of the arc-shaped buffer member 5, and the upper part of the cylindrical part 16 is fixed to the box-shaped frame 6. ,
The lower part of the cylindrical part 16 is formed into a support flange part 18 and is brought into contact with the lower surface of the arc-shaped buffer member 5 in a rotating device for a separate seat for a vehicle. (2) A rotating device for a separate seat for a vehicle according to claim 1 of the utility model registration claim, in which a protrusion 19 is formed on the inner surface of the arc-shaped buffer member 5.