JP2016078536A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To favorably maintain the appearance of a vehicle seat by preventing that a clearance is formed between an undercover and a seat cushion by preventing the flap movement of the undercover.SOLUTION: In a vehicle seat 1 having a seat cushion 2 which receives a hip of a seated person on a seating face 2a, and an undercover 5 arranged at a lower part of the state cushion 2, the vehicle seat has a frame 11 arranged in the seat cushion 2, an undercover fixing device 28 for fixing the undercover 5 to the frame 11, and a padding boss 34 which is arranged in a position apart from the seating face 2a rather than a fixing position P1 of the undercover 5 by the undercover fixing device 28. When fixing the undercover 5 to the frame 11 by the undercover fixing device 28, the padding boss 34 abuts on the frame 13.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a vehicle seat provided with an under cover.

  Conventionally, what was indicated by patent documents 1 is known as a vehicular seat provided with an undercover. In the vehicle seat disclosed in Patent Document 1, as shown in FIG. 5 of the present application, an under cover 104 is formed by a front cover 110 and side covers 120 and 130. In FIG. 6, the front cover 110 is fixed to the frame by a fixing arm 112 extending from the back surface of the front cover 110. Further, the front cover 110 and the side covers 120 and 130 are assembled by connecting the locking structure provided at the end of the front cover 110 and the locking structure provided at the respective ends of the side covers 120 and 130. Yes.

  However, in this conventional vehicle seat, as shown in FIG. 7, there is a possibility that a gap D is generated between the top of the under cover 104 and the front surface of the seat cushion 103 to deteriorate the appearance. The gap D is generated when the under cover 104 moves and moves when the under cover 104 is fixed to the frame, or when the under cover 104 moves and moves after the seated person sits on the seat cushion 103. It is. Here, the tilting movement refers to a movement caused when the under cover 104 rotates, tilts, or falls down at a small angle around one point.

JP 2011-011668 A

  The present invention has been made in view of the above-mentioned problems in conventional vehicle seats, and prevents the undercover from moving upward and prevents a gap from being generated between the undercover and the seat cushion. An object of the present invention is to maintain the appearance of the vehicle seat well and to achieve such a gap with a simple structure without complicating the fixing structure of the under cover.

  A vehicle seat according to the present invention is provided in an interior of the seat cushion in a vehicle seat having a seat cushion for receiving a seated person's buttocks on a seating surface and an under cover provided at a lower portion of the seat cushion. A frame, an under cover fixing means for fixing the under cover to the frame, and an abutting member provided at a position farther from the seating surface than a position where the under cover is fixed by the under cover fixing means. The contact member abuts on the frame when the under cover is fixed to the frame by the under cover fixing means.

  The frame includes not only the frame itself but also members that are not integrated with the frame. For example, a bracket extending from the frame is also a frame.

  According to the present invention, since the contact member is provided at a position farther from the seating surface than the position of fixing the undercover by the undercover fixing means, the top of the undercover rotates toward the seat cushion according to the principle of “lever”. Tend to move, that is, tilt. As a result, it is possible to prevent a gap from being generated between the top of the under cover and the seat cushion. As a result, the appearance near the front surface of the seat cushion can be favorably maintained.

  The under cover may include a front cover facing the front of the seat cushion and a side cover facing the side of the seat cushion, and the under cover fixing means and the abutting member may be the front cover. It can be provided on the back side of the cover. Since the front cover is a cover located in the central part of the under cover, the function of maintaining the appearance of the seat cushion well can be exhibited by applying the present invention to this cover.

  The under cover fixing means may be configured to fix the under cover to the frame by screwing. By screwing, the under cover can be firmly fixed to the frame.

  The under cover fixing means has a bracket extending from the back surface of the under cover, and the screw can be screwed in a direction toward the seating surface to fix the bracket to the frame. In this configuration, the under cover is fixed to the frame by screwing a screw from the lower side to the upper side of the seat cushion. According to this configuration, the under cover can be more firmly fixed as compared with the case where the screw is screwed from the upper side to the lower side.

  The under cover fixing means is provided in at least two places, and the contact member can be provided between the two under cover fixing means. With this configuration, the function of the contact member can be maintained high.

  The abutting member can be formed of an elastic member such as rubber. With this configuration, it is possible to prevent the under cover from being damaged due to excessive force applied to the under cover.

  According to the vehicle seat of the present invention, since the contact member is provided at a position farther from the seating surface than the fixing position of the under cover by the under cover fixing means, the top of the under cover is seated according to the principle of “lever” It tends to rotate, that is, tilt, toward the cushion. As a result, it is possible to prevent a gap from being generated between the top of the under cover and the seat cushion. As a result, the appearance near the front surface of the seat cushion can be favorably maintained.

It is a perspective view showing one embodiment of a vehicular seat concerning the present invention. It is a perspective view which shows the internal structure of the vehicle seat of FIG. 1 with a broken line. It is a perspective view which shows an example of the under cover of the vehicle seat which concerns on this invention. It is a figure which shows the cross-section of the undercover of FIG. It is a perspective view which shows an example of the conventional vehicle seat. It is a perspective view which shows the undercover used with the conventional vehicle seat of FIG. It is a figure which shows typically the front part of the conventional vehicle seat.

  Hereinafter, a vehicular seat concerning the present invention is explained based on an embodiment. Of course, the present invention is not limited to this embodiment. In addition, in the drawings attached to the present specification, components may be shown in different ratios from actual ones in order to show characteristic parts in an easy-to-understand manner.

  FIG. 1 shows an embodiment of a vehicle seat according to the present invention. The vehicle seat 1 shown here has a seat cushion 2 that receives a seated person's buttocks and a seat back 3 that the seated person touches. A headrest 4 is attached to the upper part of the seat back 3. An under cover 5 is attached around the lower portion of the seat cushion 2.

  The under cover 5 is a part that surrounds a mechanical part provided at the lower part of the seat cushion 2 so as not to be seen from the outside. The under cover 5 includes a front cover 8 facing the front of the seat cushion 2, a right side cover 9 facing the right side of the seat cushion 2 when viewed from the seated person, and the seat cushion 2 viewed from the seated person. Left side cover 10 facing the left side.

  As shown in FIG. 2, a seat cushion frame 11 having a skeleton structure is provided inside the seat cushion 2. The seat cushion frame 11 includes side frames 12 a and 12 b and a front frame 13. The seat cushion frame 11 generally has various function achievement mechanisms other than the side frames 12a and 12b, but these functional mechanisms are not shown in FIG.

  A seat back frame 16 having a skeleton structure is provided inside the seat back 3. The seat back frame 16 generally has various functional mechanisms, but only the gate-shaped frame-like portion is shown in FIG. The lower part of the seat back frame 16 and the back part of the seat cushion frame 11 are connected to each other so as to be rotatable. The seat cushion frame 11 and the seat back frame 16 are made of steel, hard synthetic resin, or the like.

  A pad 17 a is attached around the seat cushion frame 11. A pad 17 b is attached around the seat back frame 16. The pads 17a and 17b are made of an elastic material such as urethane foam. The pads 17a and 17b form the general shape of the seat cushion 2 and the seat back 3, respectively.

  The entire pad 17a of the seat cushion 2 is covered with an outer skin 18a. The entire pad 17b of the seat back 3 is covered with an outer skin 18b. The skins 18a and 18b are made of a material having air permeability, such as fabric, leather, synthetic leather, and the like. The under cover 5 is attached to the lower part of the skin 18a. The front cover 8, the right side cover 9, and the left side cover 10 forming the under cover 5 are made of hard synthetic resin.

  FIG. 3 shows the structure of the back side of the front cover 8 of the under cover 5, that is, the side facing the skin 18a. In FIG. 3, a clip locking structure 22 is formed at the right end of the front cover 8 when viewed from the back side of the front cover 8. Fitting claws 23 a and 23 b are formed at the left end of the front cover 8 when viewed from the back side of the front cover 8. In FIG. 1, the left end of the front cover 8 is connected to the front end of the light side cover 9 by the action of the clip locking structure 22 of FIG. In FIG. 1, the right end of the front cover 8 is connected to the tip of the left side cover 10 of FIG. 1 by the action of the fitting claws 23a and 23b of FIG.

  The back surface of the front cover 8 has a curved shape that is generally recessed. A plurality of vertical ribs 24 and a plurality of horizontal ribs 25 for increasing the strength of the front cover 8 are formed on the back surface of the front cover 8. A plurality (two in this embodiment) of under cover fixing devices 28 and 28 as under cover fixing means are provided at the left and right ends of the front cover 8. A plurality of (two in this embodiment) contact bosses 34 are provided between the under cover fixing devices 28. The two contact bosses 34 are arranged separately on the left and right of the center line X0 of the front cover 8. The abutting boss 34 is formed of an elastic member, for example, rubber.

  The under cover fixing device 28 includes a bracket 29 formed integrally with the front cover 8, a receiving plate 30 partially formed on the front frame 13 of the seat cushion frame 11 of FIG. ing. The front cover 8 is fixed to the front frame 13 of the seat cushion frame 11 as shown in FIG. 4A by screwing the screw 31 through the hole of the bracket 29 and then screwing it to the receiving plate 30. FIG. 4A is a cross-sectional view according to the line AA in FIG.

  FIG. 4B is a cross-sectional view according to the line BB in FIG. As shown in FIG. 4B, the contact boss 34 provided on the back surface of the front cover 8 is in contact with, ie, hits the bottom of the front cover 13 of the seat cushion frame 11. Further, as can be understood from a straight line (horizontal line) L1 drawn across FIG. 4A and FIG. 4B, the contact boss 34 is more seat than the fixing position P1 of the under cover 8 by the under cover fixing device 28. The cushion 2 is provided at a position away from the seating surface 2a (that is, a position below the fixed position P1).

  As described above, in the present embodiment, when the front cover 8 is fixed to the frame 11 at the fixed position P1, the contact boss 34 provided at the lower part of the back surface of the front cover 8 is at a position below the fixed position P1. It is in contact with the frame 11. Therefore, according to the principle of “leverage” centered on the fixed position P1, the top portion of the front cover 8 is urged to rotate toward the seat cushion 2 as indicated by an arrow C in FIG. . Due to this urging force, the top portion of the front cover 8 is always pressed against the front surface 2 b of the seat cushion 2, and as a result, a gap as indicated by symbol D in FIG. 7 is formed between the under cover 104 and the seat cushion 103. Is prevented from occurring. Thereby, the external appearance near the front surface of the seat cushion 2 in FIG.

(Other embodiments)
The present invention has been described with reference to the preferred embodiments. However, the present invention is not limited to the embodiments, and various modifications can be made within the scope of the invention described in the claims.

  For example, in the above embodiment, the present invention is applied to the front cover 8 of the under cover 5, but the present invention can also be applied to the side cover 9 and / or the side cover 10.

  1. 1. Vehicle seat, Seat cushion, 2a. Seating surface, 2b. 2. Front side Seat back, 4. 4. headrest, Undercover, 8. Front cover, 9. Light side cover, 10. 10. Left side cover Seat cushion frame, 12a, 12b. Side frame, 13. Front frame, 16. Seat back frame, 17a, 17b. Pads, 18a, 18b. Epidermis, 22. Clip locking structure, 23a, 23b. 25. Claw part for fitting, Longitudinal ribs, 25. Lateral ribs, 28. Under cover fixing device (under cover fixing means) 29. Bracket, 30. Receiving plate, 31. Screws, 34. A contact boss (contact member), C.I. D. Front cover rotation direction Gap, L1. Straight line, P1. Cover fixing position, X0. Center line of front cover 8

Claims (6)

In a vehicle seat having a seat cushion for receiving a seated person's buttocks on a seating surface, and an under cover provided at a lower portion of the seat cushion,
A frame provided inside the seat cushion;
An under cover fixing means for fixing the under cover to the frame;
An abutting member provided at a position farther from the seating surface than the fixing position of the undercover by the undercover fixing means,
The vehicle seat, wherein the abutting member abuts on the frame when the under cover is secured to the frame by the under cover fixing means. The under cover has a front cover facing the front of the seat cushion and a side cover facing the side of the seat cushion,
The vehicle seat according to claim 1, wherein the under cover fixing means and the contact member are provided on a back surface of the front cover.   The vehicle seat according to claim 1 or 2, wherein the under cover fixing means fixes the under cover to the frame by screwing.   4. The under cover fixing means includes a bracket extending from a back surface of the under cover, and the screw is screwed in a direction toward the seating surface to fix the bracket to the frame. The vehicle seat as described.   The at least two under cover fixing means are provided, and the abutting member is provided between the two under cover fixing means. The vehicle seat as described.   The vehicular seat according to any one of claims 1 to 5, wherein the contact member is formed of an elastic member.

Images