JP5353493B2 - Undercover structure for vehicle seats - Google Patents

Description

  The present invention relates to an under cover structure for a vehicle seat. Specifically, the present invention relates to an undercover structure for a vehicle seat in which a resin undercover is mounted on a seat cushion.

  2. Description of the Related Art Conventionally, in a vehicle seat, a resin under cover is attached to a lower peripheral edge portion of a seat cushion. Here, the following patent document 1 discloses a specific configuration of the above-described under cover. The undercover of this disclosure is configured by a front cover that covers the lower front surface of the seat cushion, and a side cover that covers the lower side surfaces of the outer side and the inner side of the seat cushion.

  The front cover and the side cover described above are separately attached to the skeleton frame of the seat cushion, so that the front cover and the side cover are joined together in a state of covering the lower peripheral edge of the seat cushion.

JP 2005-88784 A

  However, in the prior art disclosed above, in order to prevent deviations in the mating surfaces of the front cover and the side cover, a positioning bracket or a rotation bracket is installed on the skeleton frame side of the seat cushion to which these are assembled. The support shaft is separately provided, and the increase in the number of parts is a problem.

  The present invention was devised to solve the above-described problems, and the problem to be solved by the present invention is to add a separate member for the front cover and the side cover attached to the seat cushion. And to be assembled so that there is no deviation between the mating surfaces.

In order to solve the above problems, the under cover structure for a vehicle seat of the present invention takes the following means.
A first invention is an under cover structure for a vehicle seat in which a resin under cover is mounted on a seat cushion. The under cover includes a resin front cover that covers the front surface of the seat cushion, and a resin side cover that is provided adjacent to the front cover and covers a side surface on the outer side or the inner side of the seat cushion. The front cover and the side cover are assembled side by side and adjacent to each other, and are held in an engaged state with each other. The assembly structure for holding the front cover and the side cover in a state where they are assembled side by side is constituted by a slide guide structure and a holding structure formed between these covers. In the slide guide structure, one cover is slid so as to slide relative to the height direction from the state of being adjacent to the other cover side by side, and the mutual height positional relationship is changed to a predetermined height positional relationship. The slide guide is adapted to be matched. The holding structure holds both covers elastically engaged with each other by a pushing force of a slide that matches both covers to a predetermined height positional relationship, and matches the predetermined height positional relationship. With the surfaces facing each other in the two-way direction where both covers are adjacent to each other and the two-way direction perpendicular to the horizontal direction, there is a displacement in each direction between the two covers. It is comprised so that it may hold | maintain in the state regulated so that it may not exist.

  According to the first aspect of the present invention, the front cover and the side cover are slid relative to each other in the height direction from a state in which the front cover and the side cover are adjacent to each other side by side with each other. It is slide-guided so that it can be assembled in a state that matches the height positional relationship. In addition, the two covers are held in a state in which they are elastically engaged with each other by the above-described slide pushing force and matched to a predetermined height positional relationship by the holding structure formed on them. It is in a state where the surfaces are opposed to each other in the horizontal direction and the front and back directions and are held so as not to be displaced in each direction. As described above, the front cover and the side cover attached to the seat cushion can be assembled so as not to cause a shift in the mating surfaces without adding another member. Specifically, since both covers are assembled by sliding in the height direction with respect to the other, the lateral direction and the front / back direction of each other so that the mating surfaces of both covers are not easily displaced in the lateral direction or the front / back direction. Can be set so that the mating surfaces can be aligned with high accuracy.

  Next, according to a second invention, in the first invention described above, the slide guide structure is constituted by a combination of a slide portion formed on one cover and a guide piece formed on the other cover. . The slide portion extends from the back surface portion of one cover toward the lateral direction adjacent to the other cover, and a long concave groove is formed in the height direction on the surface portion side. The guide piece is formed to protrude in the height direction on the back surface portion of the other cover, and the slide portion is applied to the back surface side of the other cover and is fitted in the groove of the slide portion, The slide portion is guided so as to be slidable in the height direction. On the other hand, the holding structure is configured by a combination of a plate-like locking plate formed on one cover and a hooking portion formed on the other cover. The locking plate is formed to further extend in the lateral direction from the slide portion of one cover. The hooking portion is formed on the back surface portion of the other cover, and by sliding the sliding portion in the height direction along the shape of the guide piece, the locking plate is received in the height direction, and the locking plate is While being sandwiched in the thickness direction, it is elastically hooked to the claw portion formed on the locking plate.

  According to the second aspect of the present invention, one cover is adjacent to the other cover side by side by fitting the concave groove of the slide portion into the guide piece of the other cover from the back side. It will be in a state, and it will be in the state where it was slide-guided so that a movement in a height direction was possible along the shape of a guide piece. Then, by sliding one cover in the height direction along the shape of the guide piece, the locking plate formed extending from the slide portion is attached to the hooking portion formed on the back surface portion of the other cover. While being received in the height direction and being sandwiched in the plate thickness direction, the claw portion is elastically hooked and engaged with the hook portion. In this way, each cover has a configuration in which one cover is placed side by side and adjacent to the other cover so as not to be displaced in the lateral direction or the front and back direction (plate thickness direction). Specifically, it can be easily formed. In addition, by adopting the above configuration, one of the covers can be left in a state of being attached to the seat cushion first, and the other cover can be attached to the one cover. It can attach to a seat cushion and can improve the workability | operativity which concerns.

1 is a perspective view illustrating a schematic configuration of an under cover structure for a vehicle seat according to Embodiment 1. FIG. It is a disassembled perspective view of an undercover. It is the perspective view showing the state which set the slide rail of the front cover to the guide piece of the side cover. FIG. 4 is a perspective view showing a state in which the front cover is slid upward from the state of FIG. 3 and engaged with the side cover. It is a front view of the assembled state of a front cover. FIG. 6 is a sectional view taken along line VI-VI in FIG. 5. It is the side view which represented the side cover seeing from the back surface side.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated using drawing.

  First, the under cover structure for the vehicle seat of the first embodiment will be described with reference to FIGS. As shown in FIG. 1, the under cover structure of the vehicle seat according to the present embodiment is a structure of the resin under cover 4 mounted on the lower peripheral edge portion of the seat cushion 3 of the vehicle seat 1. Here, the vehicle seat 1 is disposed as a driver's seat of a right-hand drive vehicle, and includes a seat back 2 serving as a backrest and a seat cushion 3 serving as a seating portion.

  The under cover 4 attached to the lower peripheral edge of the seat cushion 3 described above includes a front cover 10 that covers the lower front surface of the seat cushion 3 and a side cover 20 that covers the lower side surfaces of the outer side and the inner side of the seat cushion 3. , 30 are assembled in a state where they are connected together in a single line. The under cover 4 has the above-described front cover 10 and side covers 20 and 30 joined and fixed to the skeleton frame of the seat cushion 3 using fasteners such as clips (not shown).

  Here, as shown in FIGS. 2 to 4, the front cover 10 and the outer side cover 20 arranged on the vehicle entrance / exit door side are arranged side by side as shown in FIGS. 2 to 4. They are set in an adjacent state, and are assembled in a state of being engaged with each other by a shifting operation of sliding in the height direction relatively so as to slide them together. As a result of this assembly, the front cover 10 and the outer side cover 20 are assembled together so that there is no gap or step between the joints. It is designed to be assembled.

  Hereinafter, the assembly structure of the front cover 10 and the outer side cover 20 will be described in detail. First, the configuration of the front cover 10 will be described. That is, as shown in FIGS. 2 to 4, the front cover 10 is formed of a horizontally long resin plate, and an edge on the outer side of the plate-like portion is disposed on the outer side. It can be assembled by engagement with the front edge side of the.

  Specifically, as shown in FIG. 2, the outer side cover 20 described above is formed in a shape bent inward so that the front end portion faces the same surface direction as the front cover 10. The edge part on the outer side of the front cover 10 is assembled to the edge part on the front end side that is bent back inward so as to abut against each other side by side. In addition, the edge part of the inner side of the front cover 10 is formed in the shape bent back to the back side so that it may face the same surface direction as the side cover 30 distribute | arranged to the inner side, and it bends back to this back side. The edge part of the front end side of the side cover 30 is assembled | attached to the edge part of the rear end side made in the state faced | matched front and back and adjacently.

  As shown in FIGS. 2 and 5, the front cover 10 described above is formed such that the surface portion 10A facing the front side of the plate-like portion is a smooth surface, and the back surface portion 10B The grid-like ribs 11 are formed so as to protrude over a wide area. Further, a fixing arm 12 extending from the back surface portion 10B toward the rear side (the side where the seat cushion 3 is disposed) is formed on the outer edge portion of the front cover 10. The fixing arm 12 is a functional component for connecting the front cover 10 to a skeleton frame of the seat cushion 3 (not shown), and is a resin clip attached to the extended front end (rear end). By fitting 12A into a hole formed in the skeleton frame of the seat cushion 3 (not shown), the position is fixed to the skeleton frame.

  In addition, a long slide that is slidably fitted to a plate-shaped guide piece 22 formed on the front end side edge of the outer side cover 20 is fitted to the outer side edge of the front cover 10 described above. Rails 13 are formed. Here, the slide rail 13 corresponds to a slide portion of the present invention. As shown in FIG. 5, the slide rail 13 is formed in an elongated shape in the height direction along the edge shape on the outer side of the front cover 10, and in the height direction on the surface portion 10A side. A rail groove 13A that is recessed in a long shape is formed.

  And the protrusion 13B which protrudes in the rail groove 13A and protrudes toward the upper side is formed in the lower end part of the above-mentioned rail groove 13A. As shown in FIGS. 2 to 4, the protrusion 13 </ b> B is set by fitting the above-described slide rail 13 to the guide piece 22, and on the upper side (height direction) in the drawing along the shape of the guide piece 22. By sliding, the guide piece 22 enters and fits into a recess 22A (see FIG. 6) formed at the lower end of the guide piece 22 and functions as a stopper that restricts the slide movement of the slide rail 13.

  Returning to FIG. 2, plate-like locking plates 14 extending from the slide rail 13 to the outer side are formed at two positions on the slide rail 13 in the height direction. As shown in FIGS. 3 to 4, these locking plates 14 are set by fitting the slide rail 13 to the guide piece 22 and sliding it upward in the figure along the shape of the guide piece 22. Accordingly, the side cover 20 functions to be elastically hooked by being pushed into the hooking pieces 23 formed at two positions in the height direction. Here, each hooking piece 23 corresponds to the hooking portion of the present invention.

  Specifically, each locking plate 14 is pushed into each hooking piece 23, so that the claw portions 14 </ b> A projectingly formed on the plate surfaces elastically push away each hooking piece 23 to bend and deform. Thereafter, as each claw portion 14A enters the hole 23A drilled in each hooking piece 23, each hooking piece 23 is returned to the state before deformation by the elastic restoring force, and enters each hole 23A. However, each claw portion 14A is held in a hooked state by each hooking piece 23 so as not to fall downward.

  More specifically, as shown in FIG. 3, each of the claw portions 14 </ b> A described above has a side surface on the upper side in the drawing, that is, a side surface in the direction in which each locking plate 14 is pushed into each hooking piece 23. The inclined surface is tapered so that the protrusion smoothly falls toward the same direction. In addition, the side surface of each claw portion 14A on the opposite side to the above, that is, the side surface in the direction in which each locking plate 14 is separated from each hooking piece 23 was cut so that the protrusion fell straight. It is formed as a vertical surface.

  Thereby, each locking plate 14 is pushed into each hooking piece 23 while smoothly pushing away each hooking piece 23 by the inclined surface of each claw portion 14A. In addition, each locking plate 14 has a vertical surface on the lower side of each claw portion 14A in the hole when each claw portion 14A enters into each hole 23A and engages with each hooking piece 23. It is brought into direct contact with the inner peripheral surface of 23A, is supported straight from the lower side by the respective hooking pieces 23, and is stably supported so as not to fall downward.

  Next, returning to FIG. 2, the configuration of the outer side cover 20 will be described. The side cover 20 is formed of a resin plate that is long in the front-rear direction. As described above, the edge on the front end side of the plate-like portion engages with the edge on the outer side of the front cover 10. It comes to be assembled by. The outer side cover 20 has a flat surface portion 20A with the surface facing the outer side of the plate-like portion, and a reinforcing structure such as a rib (not shown) on the back surface portion 20B. Formed in place.

  In addition, a fixing bracket 21 protruding in a pedestal shape is formed at the front portion of the back surface portion 20B of the side cover 20. The fixing bracket 21 is a functional component for connecting the side cover 20 to the skeleton frame of the seat cushion 3 (not shown). The resin clip 21A attached on the pedestal is attached to the seat cushion 3 (not shown). By being fitted in a hole formed in the skeleton frame, it is assembled in a state where the position is fixed to the skeleton frame.

  Here, as shown in FIG. 4, the above-described fixing bracket 21 has a clip 21 </ b> A attached on the pedestal so that the rear end portion (tip portion) of the fixing arm 12 formed on the front cover 10 described above. ) Attached to the clip 12A and the front and rear positions, and the side cover 20 is formed so as to be disposed at a position close to the height direction and the horizontal direction. Accordingly, the fixing arm 12 of the front cover 10 and the fixing bracket 21 of the outer side cover 20 are respectively attached to mounting brackets (not shown) provided at predetermined positions of the skeleton frame of the seat cushion 3. The two mounting positions can be accurately determined so that there is no deviation in the mounting position relationship between the two when they are attached to the seat cushion 3. It is like that.

  Returning to FIG. 2, the rail groove 13 </ b> A of the slide rail 13 formed in the front cover 10 described above is fitted to the edge of the front end side of the outer side cover 20 described above, so that the slide rail A plate-shaped guide piece 22 that slides 13 straight in the height direction is formed. As shown in FIG. 3, the guide piece 22 is fitted in the rail groove 13 </ b> A of the slide rail 13 from the back side, so that the guide piece 22 has a lateral direction perpendicular to the slide direction of the slide rail 13 (both covers 10, The movement of the edge portions 20 connected to each other in the lateral direction is restricted, and the mating surface of the front surface portion 10A of the front cover 10 and the front surface portion 20A of the side cover 20 is flush with the horizontal surface. It keeps it in the state of butting.

  Then, from this state, as shown in FIG. 4, the slide rail 13 is slid upward in the figure along the plate shape of the guide piece 22, and the two locking plates are formed to extend to the slide rail 13. 14 is pushed into each hooking piece 23 of the side cover 20 to be elastically hooked, whereby the front cover 10 is hooked on the side cover 20, and the surface portion 20 </ b> A of the side cover 20 and the surface portion of the front cover 10. The mating surface with 10A is assembled and held in a state where the mating surfaces are flush with each other without a gap.

  Here, each of the above-described hooking pieces 23 are provided side by side in the height direction, each extending from the back surface portion 20B of the side cover 20 to the rear side and hanging downward, Each locking plate 14 is received between the suspended surface portion and the back surface portion 20B of the side cover 20, and the claw portion 14A of each locking plate 14 is hooked in the hole 23A drilled in the bottom surface portion. It has become. And these hooking pieces 23 sandwiched each latching plate 14 between those drooping lower surface portions and the back surface portion 20B of the side cover 20 by hooking each latching plate 14 as described above. In this state, the front cover 10 is held so as not to be displaced in the front-rear direction (front and back directions of the mating surfaces of the covers 10 and 20) with respect to the side cover 20 (see FIGS. 4 and 7). ).

  That is, the front cover 10 and the side cover 20 are configured so that their constituent surfaces are separated from each other in the lateral direction in which they are adjacent to each other and in the front-rear direction (front and back perpendicular to the lateral direction). In a state of being opposed to each other in both directions, and in a state of being regulated so as not to cause a positional shift in the respective directions between the covers 10 and 20, so that they can be held in an assembled state. It has become.

  Thus, according to the under cover structure of the vehicle seat of the present embodiment, the front cover 10 and the side cover 20 are fitted to the slide guide structure (the slide rail 13 is slidably fitted to the guide piece 22). With this structure, the slide guides can be assembled so as to be assembled in a state in which they are in a predetermined height positional relationship by sliding relative to each other in the height direction from a state in which they are adjacent to each other side by side.

  Further, the covers 10 and 20 are elastic to each other due to the above-mentioned slide pushing force by the holding structure (a structure in which each locking plate 14 is hooked on each hooking piece 23 and prevented from falling). Are engaged with each other and maintained in a predetermined height positional relationship, and their constituent surfaces are opposed to each other in the lateral direction or the front-rear direction (front-back direction), and are displaced in each direction. It will be in the state where it was held so as not to.

  As described above, the front cover 10 and the side cover 20 attached to the seat cushion 3 can be assembled so as not to cause a shift in the mating surfaces without adding another member. Specifically, since both the covers 10 and 20 are configured such that one of the covers 10 and 20 is assembled by sliding in the height direction with respect to the other, the two mating surfaces are less likely to be misaligned in the lateral direction or the front-rear direction (front and back direction). By fitting each other in the lateral direction and in the front-rear direction (front and back direction), the mating surfaces can be aligned with high accuracy. Further, with the above configuration, for example, the side cover 20 can be set in a state where it is first attached to the seat cushion 3, and the front cover 10 can be attached to the side cover 20 in this state. Each can be attached to the seat cushion 3, and the workability | operativity which concerns can be improved.

  As mentioned above, although the embodiment of the present invention has been described using one example, the present invention can be implemented in various forms in addition to the above example. For example, the under cover structure for a vehicle seat according to the present invention is applied to the assembly structure of the front cover 10 and the outer side cover 20, but the front cover 10 and the inner side cover 30 It may be applied to an assembly structure. Moreover, although the thing of the form provided so that the front cover 10 and the side covers 20 and 30 may cover the lower peripheral part of the seat cushion 3 was shown, it is provided in a high position so as to cover the peripheral part of the seat cushion 3. It may be a thing.

  Moreover, in the said Example, the slide rail 13 equivalent to the slide part of this invention is formed in the front cover 10 side as a slide guide structure of this invention, and the guide piece 22 used as a slide guide is formed in the side cover 20 side. However, it may be arranged and formed on the cover on the opposite side. Similarly, in the above embodiment, the holding structure of the present invention is shown in which the locking plate 14 is formed on the front cover 10 side and the hooking portion is formed on the side cover 20 side. Also, each of them may be arranged and formed on the opposite cover.

  In addition, the slide guide structure and the holding structure shown in the above-described embodiment are not particularly limited as long as the slide guide structure and the holding structure have a form capable of performing each function. For example, a claw portion is formed on the back surface portion of the slide rail 13 (slide portion), and the hooking piece (hanging portion) is formed so as to cover the back surface portion side of the slide rail 13 so that the back surface portion of the slide rail 13 is formed. For example, the slide guide structure and the holding structure may be streamlined and formed.

DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Seat back 3 Seat cushion 4 Under cover 10 Front cover 10A Front surface part 10B Back surface part 11 Rib 12 Fixing arm 12A Clip 13 Slide rail (slide part)
13A Rail groove 13B Protrusion 14 Locking plate 14A Claw portion 20 Side cover 20A Front surface portion 20B Back surface portion 21 Fixing bracket 21A Clip 22 Guide piece 22A Recessed portion 23 Latching portion (Latching portion)
23A hole 30 side cover

Claims (2)

An under cover structure for a vehicle seat in which a resin under cover is mounted on a seat cushion,
The under cover is
A resin front cover covering the front surface of the seat cushion;
A resin side cover provided adjacent to the front cover and covering a side surface of the outer side or inner side of the seat cushion,
The front cover and the side cover are assembled so as to be adjacent to each other side by side and are held in an engaged state with each other.
An assembly structure for holding the front cover and the side cover in a state where they are assembled side by side is constituted by a slide guide structure and a holding structure formed between the two covers, and the slide guide structure is one of Slide the cover so that it slides relatively in the height direction from the state adjacent to the other cover side by side, and slide guides so that the mutual height positional relationship can be adjusted to the predetermined height positional relationship. The holding structure is in a state in which both covers are elastically engaged with each other by a pushing force of a slide that matches the two covers to a predetermined height positional relationship to match the predetermined height positional relationship. While holding, the two covers in the horizontal direction where the covers are adjacent to each other and the front and back directions perpendicular to the horizontal direction The underseat of the vehicle seat is configured to be held in a state of being opposed to each other so as not to be displaced in each direction between the covers. Cover structure. The vehicle seat undercover structure according to claim 1,
The slide guide structure includes a slide portion extending from a back surface portion of the one cover toward a lateral direction adjacent to the other cover and having a long concave groove in a height direction on a surface portion side. The second cover is formed so as to protrude in the lengthwise direction on the back surface portion of the other cover, and the slide portion is placed on the back surface side of the other cover so as to be fitted in the concave groove of the slide portion. The slide part is configured by a combination with a guide piece that is slidably guided in the height direction, and the holding structure is a plate formed by extending further laterally from the slide part of the one cover And the engaging plate is received in the height direction by sliding the slide portion in the height direction along the shape of the guide piece. Stop plate A vehicular seat characterized by comprising a combination of a claw portion formed on the locking plate and a hooking portion that is elastically hooked while being sandwiched in the plate thickness direction. Under cover structure.

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