JPWO2019004221A1 - Sheet - Google Patents

Abstract

Place the cover in close contact with the cushion's seating surface to facilitate tensioning. In the seat 10 including the cushion 12 that forms the seat portion and the cover 13 that covers the cushion 12, a plurality of recesses 41 and 42 provided on the seating surface of the cushion 12 and the recesses 41 and 42 that engage with the cover 13 are formed. The fixing members 51 and 52, which are held in the state of being inserted and which fix the cover 13 to the cushion 12, are provided.

Description

  The present invention relates to a seat including a cushion and a cover.

  The seat cover is cut and formed so as to conform to the shape of the seat to which the seat cover is attached, and annular belts are provided at at least two places on the outer peripheral edge. A configuration has been proposed (for example, see Patent Document 1). In this patent document, the seat cover is fitted to the seat by pulling the cord material to apply tension to the seat cover.

Registered Utility Model No. 3128129

However, in the conventional configuration, since the cover is fitted to the seat by pulling the cord material passing through the outer peripheral edge of the annular belt cloth, the tension at the center of the seat surface of the cover becomes relatively weak. In particular, when a stretchable material such as a mesh cover is used for the cover, the tension at the center of the seat surface becomes weak.
Then, an object of the present invention is to make a cover stick to a seat surface of a cushion and to make it easy to stretch.

This specification includes all contents of Japanese Patent Application No. 2017-129774 filed on June 30, 2017.
In order to achieve the above object, the present invention provides a seat provided with a cushion (12) constituting a seat and a cover (13) covering the cushion (12), provided on a seat surface of the cushion (12). The cover (13) is engaged with the plurality of recesses (41, 42) and the cover (13), and is held in a state of being inserted into each of the recesses (41, 42). And fixing members (51, 52) for fixing the fixing members.

  In the above configuration, through holes (41K, 42K) through which the fixing members (51, 52) penetrate are provided in bottoms (41A, 42A) of the recesses (41, 42), and the fixing members (51, 52) are provided. ) Is exposed on the back surface of the cushion (12) through the through-holes (41K, 42K), and the exposed portion is provided with a stopper for preventing the fixing member (51, 52) from coming off. Good.

  In the above configuration, the recesses (41, 42) may be cylindrically recessed, and the through holes (41K, 42K) may have a smaller diameter than the recesses (41, 42).

  In the above configuration, the cushion (12) is a single-layer mesh cushion, the cover (13) is a mesh cover, and the single-layer mesh cushion, the mesh cover, and the fixing members (51, 52). The sheet (10) may be configured.

  Further, in the above configuration, the peripheral portion (13S) of the cover (13) may extend around the back surface of the cushion (12).

  Further, in the above configuration, the peripheral portion (13S) of the cover (13) extends around the back surface of the cushion (12) and extends to a position corresponding to one of the through holes (41K, 42K). It may be engaged with any of the fixing members (51, 52).

  In the above configuration, the sheet (10) is located on a support frame (61), and one of the recesses (41, 42) is provided at a position that wraps the support frame (61) in plan view. Then, one of the fixing members (51, 52) may be fixed to the support frame (61) through one of the recesses (41, 42).

  In the above configuration, the depth of the recesses (41, 42) may be more than half the thickness of the cushion (12).

In the present invention, the plurality of recesses provided on the seating surface of the cushion constituting the seat portion, and the cover covering the cushion are engaged with each other and are held in the recesses, and the cover is fixed to the cushion. And a fixing member. According to this configuration, the cover can be stretched by applying tension to a plurality of portions of the seat surface, and the cover is easily brought into tight contact with the seat surface of the cushion.
Further, a through hole through which the fixing member penetrates is provided at a bottom of the concave portion. The fixing member is exposed to the back surface of the cushion through the through hole, and the exposed portion is provided with a stopper for restricting the fixing member from coming off. According to this configuration, it is difficult for the position of the retaining member to be visually recognized from the outside.

  Further, the concave portion is cylindrically concave, and the through hole has a smaller diameter than the concave portion. According to this configuration, with a simple configuration in which the end of the fixing member on the seat surface side is made larger in diameter than the through hole and smaller in diameter than the concave portion, the fixing member is prevented from coming off to the cushion back surface side. it can.

  The cushion is a single-layer mesh cushion, the cover is a mesh cover, and the single-layer mesh cushion, the mesh cover, and the fixing member constitute the seat. According to this configuration, the seat can be configured without using the seat bottom plate, and it is possible to provide a lightweight seat excellent in cushioning property and air permeability.

Further, since the peripheral portion of the cover goes around the back surface of the cushion, it is possible to make it difficult to make the peripheral portion of the cover visible.
Further, the peripheral portion of the cover extends around the back surface of the cushion to a position corresponding to one of the through holes and engages with one of the fixing members, so that the cover and the cushion are fixed. By using the fixing member, the peripheral portion of the cover can be fixed to the cushion.

  Further, the sheet is located on a support frame, and one of the recesses is provided at a position overlapping with the support frame in plan view, and one of the fixing members penetrates one of the recesses. To the support frame. According to this configuration, the seat can be fixed to the support frame using the fixing member that fixes the cover and the cushion.

  Further, since the depth of the concave portion exceeds half of the thickness of the cushion, contact between the occupant and the fixing member can be avoided even if the cushion is deformed.

FIG. 1 is a perspective view showing a seat peripheral portion of a motorcycle provided with a seat according to the first embodiment. FIG. 2 is an enlarged view of a cross section near the surface of the sheet. FIG. 3 is a view of the sheet as viewed from above. FIG. 4 is a cross-sectional view showing a concave portion provided in the seat together with a peripheral configuration. FIG. 5 is a sectional view showing another concave portion together with a peripheral configuration. FIG. 6 is a cross-sectional view showing a concave portion of the sheet according to the second embodiment together with peripheral components.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(First embodiment)
FIG. 1 is a perspective view showing a seat peripheral portion of a motorcycle provided with a seat according to the first embodiment. In the description, directions such as front and rear, right and left, and up and down are the same as each direction of the vehicle body unless otherwise specified. In addition, the reference numeral FR shown in each drawing indicates the front of the vehicle, the reference UP indicates the upper side of the vehicle, and the reference RH indicates the right side of the vehicle.
The seat 10 is disposed between the fuel tank 2 and the rear cowl 3 of the motorcycle 1 and forms a seating portion (occupant seat) on which an occupant sits. When the body of the motorcycle 1 is different, the seat 10 is not limited to the above position. For example, in the case of a vehicle body having a tank-shaped cowl that covers an air cleaner and a storage case at the position of the fuel tank 2, the seat 10 is disposed between the tank-shaped cowl and the rear cowl 3.

FIG. 2 is an enlarged view of a cross section near the surface of the sheet 10.
The seat 10 includes a cushion 12 forming a seat portion and a cover 13 that covers the cushion 12, and does not include a so-called seat bottom plate. The cushion 12 is formed of a single-layer mesh cushion made of a single-layer mesh material, and the cover 13 is a mesh cover made of a mesh material 100.

  The cushion 12 is formed by winding a resin fiber (also referred to as a continuous linear body) 12A made of a thermoplastic elastomer in a meandering manner to form loops and joining the contact portions of the loops by fusion or the like to form a three-dimensional network structure. It is composed. That is, the cushion 12 is a thermoplastic elastomer network. Thereby, the cushion 12 excellent in cushioning property and durability and excellent in air permeability can be obtained. In particular, the cushion 12 having much better air permeability than conventional urethane cushions for vehicles can be obtained.

Further, by adjusting the material, fiber diameter, hollow ratio (hollow area per unit area) of the fiber 12A constituting the cushion 12, etc., the cushioning property, air permeability and durability (continuity of cushioning property) are adjusted. It is possible. Thereby, even if the cushion 12 has a relatively small thickness, sufficient cushioning property, air permeability, and durability can be obtained. In addition, since a gap is formed in the entire cushion 12, heat dissipation and water discharge (water permeability) are obtained, which is advantageous in reducing the weight of the seat 10.
Note that the cushion 12 is not limited to the thermoplastic elastomer network, but may have a three-dimensional network structure using a material other than the thermoplastic elastomer.

  The mesh material 100 forming the cover 13 has a three-layer structure made of a knitted fabric formed by knitting a fiber material made of a synthetic resin or the like. That is, the mesh material 100 is formed of a three-dimensional knit including a surface layer 101 constituting a front surface exposed to the outside, a back layer 102 constituting a back surface, and a connecting layer 103 connecting the surface layer 101 and the back layer 102. The surface layer 101 and the back layer 102 are formed of a knitted fabric having a mesh-like perforated structure, and have air permeability. The surface layer 101 is preferably made of a fiber material (for example, a bulky yarn) having a good surface feel and a low water retention.

  The connection layer 103 is configured by connecting the surface layer 101 and the back layer 102 with a monofilament connection yarn 103A. More specifically, the connecting layer 103 is formed of a knitted fabric having a cross structure in which at least two connecting yarns 103A make a tolerance when connecting the surface layer 101 and the back layer 102. By adopting the cross structure, the cover 13 which is a three-dimensional knitted fabric is easily compatible with air permeability, form stability, elasticity (impact absorption), durability (continuity of elasticity), and the like. In addition, since a gap is formed in the entire cover 13, heat dissipation and water discharge are also obtained, which is advantageous for reducing the weight of the sheet 10.

As described above, in the present configuration, the air permeability, heat radiation, and water discharge of the seat 10 can be obtained by both the cushion 12 and the cover 13. In addition, since the cushion 12 and the cover 13 are formed of resin, the structure can be made more resistant to water than when natural fibers are used.
Note that the connecting layer 103 is not limited to the cross structure, and a pillar structure that connects the surface layer 101 and the back layer 102 substantially vertically, or a truss structure in which at least two connecting yarns 103A and the front and back knitted fabrics form a triangle. May be. Further, the mesh material 100 may have a multilayer structure other than three layers. Further, some or all of the layers 101 to 103 may be formed of a material other than the knitted fabric, such as changing the surface layer 101 or the back layer 102 to one mesh cloth. In addition, a known mesh material can be widely applied without being limited to the multilayer structure.

FIG. 3 is a diagram of the sheet 10 viewed from above.
The seat 10 is a single seat exclusively for a driver, and is formed in a shape that becomes narrower toward the front and wider toward the rear. Since the width of the seat 10 decreases as it goes forward, the degree of freedom of movement of the foot of the driver sitting on the seat 10 is ensured. Further, since the width increases as the seat 10 moves rearward, a large seat area corresponding to a change in the driver's posture or the like is secured. In addition, even when the seat is not a single seat, the seat may have a shape in which the seat is narrower toward the front and wider toward the rear.

The front portion of the seat 10 is formed in a curved shape that is recessed rearward along the back surface of the fuel tank 2. The rear portion of the seat 10 is formed in a shape extending left and right along the front surface of the rear cowl 3. In each of the left and right regions 10F forming the front left and right corners of the seat 10 and the left and right regions 10R forming the rear left and right corners, the recesses 41 in which the seating surface of the cushion 12 is recessed downward. Is provided.
In addition, concave portions 42 are provided at positions corresponding to the center of the seat 10 in the front-rear and left-right directions.

FIG. 4 is a cross-sectional view showing the recess 41 together with the peripheral configuration. Note that each recess 41 and its peripheral configuration are the same.
Since it is difficult to manufacture the cushion 12 having a three-dimensional net structure with partially different thicknesses, it is difficult to form the recess 41 in advance when manufacturing the cushion 12. Therefore, in the present configuration, each recess 41 is formed by thermally deforming the cushion 12 manufactured in a plate shape having a certain thickness so that the position corresponding to each recess 41 is recessed.

In this case, the density of the bottom 41A of each recess 41 is higher than that of the other portions due to the resin melted by heat. As shown in FIG. 4, the recess 41 is formed by being compressed to a fraction of the thickness of the cushion 12 (about a quarter in the example of FIG. 4). The density is several times higher than the surroundings. Therefore, the region of the bottom portion 41A of the concave portion 41 in the cushion 12 has no flexibility and is a hard region.
Further, a through hole 41K through which the fixing member 51 penetrates is provided in the bottom 41A of the concave portion 41.

  The concave portion 41 is formed in a column shape and has a diameter d2 larger than the diameter d1 of the head portion 51A of the fixing member 51. The diameter d3 of the through hole 41K penetrating the bottom 41A of the recess 41 is smaller than the diameter d2 of the recess 41 and the diameter d1 of the head 51A of the fixing member 51, and the shaft 51B of the fixing member 51 passes therethrough. Formed to possible values. The depth D1 of the concave portion 41 is a depth that allows the head portion 51A to be embedded in the concave portion 41, and is formed at a depth that exceeds half the thickness of the cushion 12. In FIG. 4 and each of the drawings described later, reference numeral P1 indicates a half position of the thickness of the cushion 12.

  The fixing member 51 is a pin component (also referred to as a fixing pin) formed of a rigid metal or resin, and includes a shaft portion 51B extending linearly and a head portion 51A whose diameter is increased at the upper end of the shaft portion 51B. Is provided integrally. By inserting the fixing member 51 into the recess 41 with the head 51A facing upward, the fixing member 51 is inserted until the head 51A contacts the upper surface of the bottom 41A of the recess 41.

  The shaft portion 51B of the fixing member 51 is formed in a shape longer than the through hole 41K. Thereby, the shaft portion 51B penetrates through the cushion 12 and is exposed on the back side of the cushion 12. A stopper 55 serving as a retaining member for restricting the fixing member 51 from coming off is attached to the exposed front end portion. The stopper 55 of this configuration is a split pin and penetrates a hole provided in the shaft 51B in a direction orthogonal to the shaft 51B. Note that the stopper 55 does not need to be limited to the split pin, and any member that can prevent the fixing member 51 from falling off can be applied.

Before the fixing member 51 is inserted into the concave portion 41, the stitch formed by the mesh material 100 of the cover 13 is passed through the shaft portion 51B of the fixing member 51.
Here, the head 51A of the fixing member 51 is formed in a size that does not pass through a stitch formed by the mesh material 100 of the cover 13. Thereby, the cover 13 is locked to the fixing member 51.
As shown in FIG. 4, the cover 13 is fixed to the cushion 12 by inserting the fixing member 51 holding the cover 13 into the concave portion 41 and restricting (preventing) the fixing member 51 from coming off by the stopper 55. Is done. In this case, the cover 13 is sandwiched between the head 51A of the fixing member 51 and the bottom 41A of the recess 41, and the cover 13 can be fixed while being pulled into the recess 41.

  As described above, since the cover 13 is fixed in a state of being drawn into the concave portion 41, the cover 13 can be efficiently stretched by applying tension. Therefore, the cover 13 can be stretched by applying tension at a plurality of (four) concave portions 41 (see FIG. 3) provided on the seating surface of the cushion 12. It becomes possible to stretch. Moreover, since the cover 13 is positioned at each of the concave portions 41, the displacement of the cover 13 can be suppressed.

  Since the cover 13 is a mesh cover, it has a certain degree of elasticity. Due to this elasticity, the cover 13 can be stretched along the cushion 12 even if a part of the cover 13 is pulled into the recess 41. Also, by changing the depth of the concave portion 41, the amount of the cover 13 drawn into the concave portion 41 can be changed, and the tension can be adjusted. For example, in the case of the cover 13 having high elasticity, it is preferable that the amount of drawing into the concave portion 31 is relatively large, and in the case of the cover 13 having low elasticity, the amount of drawing into the concave portion 31 is relatively small.

FIG. 5 is a cross-sectional view showing the recess 42 together with the peripheral configuration. The method of forming the recess 42 is the same as that of the recess 41.
The concave portion 42 is cylindrically concave, and a through hole 42K through which the fixing member 52 penetrates is provided in a bottom portion 42A of the concave portion 42. The concave portion 42 is formed to have a diameter d7 larger than the diameter d6 of the head portion 52A of the fixing member 52. The diameter d8 of the through hole 42K penetrating the bottom 42A of the recess 42 is smaller than the diameter d7 of the recess 42 and the diameter d6 of the head 52A of the fixing member 52, and the shaft 52B of the fixing member 52 passes therethrough. Formed to possible values. The depth D2 of the concave portion 42 is a depth that allows the head portion 52A to be embedded in the concave portion 42, and is formed to a depth that exceeds half of the thickness of the cushion 12 (the position indicated by reference numeral P1). .

The fixing member 52 is different from the fixing member 51 in that the fixing member 52 is fastened to a support frame 61 which forms a part of a body frame of the motorcycle 1. The support frame 61 is a component provided at a position where the support frame 61 overlaps the sheet 10 in a plan view, and the sheet 10 is located on the support frame 61. The support frame 61 has a fastened portion 62 to which the shaft portion 52B of the fixing member 52 inserted into the concave portion 42 of the seat 10 is fastened.
The support frame 61 is, for example, a plate-shaped cross frame that bridges a pair of left and right seat rails, or the seat rail itself.

  In this configuration, the fixing member 52 is a screw component (a bolt with a hole in this configuration) formed of a rigid metal or resin, and has a shaft portion 52B on which a male screw is formed and an upper end of the shaft portion 52B. A head 52A having an enlarged diameter is integrally provided. By inserting the fixing member 52 into the recess 42 with the head 52A facing upward, the fixing member 52 is inserted to a position where the head 52A contacts the upper surface of the bottom 42A of the recess 42.

The shaft portion 52B of the fixing member 52 is formed in a shape longer than the through hole 42K. Thereby, the shaft portion 52B penetrates through the cushion 12 and is exposed on the back side of the cushion 12. By rotating the head 52A of the fixing member 52 with a tool (not shown), the shaft 52B of the fixing member 52 is fastened to the fastened portion 62 provided on the support frame 61. As a result, the upward movement of the fixing member 32 is restricted, and the cushion 12 and the support frame 61 are connected.
As described above, the fastened portion 62 functions as a stopper that serves as a retaining component that restricts the fixing member 52 from coming off upward.

Before the fixing member 52 is inserted into the recess 42, the stitch formed by the mesh material 100 of the cover 13 is passed through the shaft 52 </ b> B of the fixing member 52. The head 52A of the fixing member 52 is formed in a size that does not pass through a stitch formed by the mesh material 100 of the cover 13. Thereby, the cover 13 is locked to the fixing member 52.
Therefore, similarly to the case of the fixing member 51, the cover 13 is sandwiched between the head 52 </ b> A of the fixing member 52 and the bottom 42 </ b> A of the recess 42, and is fixed in a state where the cover 13 is drawn into the recess 42. Is done. Thereby, the cover 13 can be stretched by applying tension even at the location of the concave portion 42, and the cover 13 is easily brought into close contact with the seating surface of the cushion 12 to be stretched easily. In addition, it is possible to suppress the displacement of the cover 13 even at the location of the concave portion 42.

As described above, in addition to the fixing between the cover 13 and the cushion 12, the fixing between the cushion 12 and the support frame 61 is also performed at the location of the concave portion 42, so that the number of parts is smaller than when these fixing are performed separately. Less is needed, and a simple structure can be achieved.
Further, the tension can be adjusted also by changing the depth of the concave portion 42. Therefore, in the case of the cover 13 having low elasticity, it is preferable to reduce the depth of the concave portion 42.
Note that, in the present configuration, the case where the concave portion 42 is provided at one position in the center of the seating surface has been described, but the position and the number of the concave portions 42 may be appropriately changed. Further, the position and the number of the concave portions 41 may be appropriately changed.

As described above, in the present embodiment, the plurality of recesses 41 and 42 provided on the seating surface of the cushion 12 and the cover 13 And fixing members 51 and 52 for fixing to the cushion 12. According to this configuration, the cover can be stretched by applying tension to a plurality of portions of the seat surface. Accordingly, even if the cover 13 is a mesh cover having elasticity, the cover 13 is easily brought into close contact with the seating surface of the cushion 12 and is easily stretched.
Further, by removing the fixing members 51 and 52, the cover 13 can be easily removed. Therefore, it becomes easy to clean or replace the cover 13 and the cushion 12 independently.

  Further, through holes 41K, 42K through which the fixing members 51, 52 penetrate are provided in the bottom portions 41A, 42A of the concave portions 41, 42, respectively. The fixing members 51 and 52 are exposed on the back surface of the cushion 12 through the through holes 41K and 42K, and the exposed portions are provided with stoppers for restricting the fixing members 51 and 52 from coming off. According to this configuration, the places where the fixing members 51 and 52 are prevented from coming off are difficult to be visually recognized from the outside.

  The recesses 41 and 42 are cylindrically recessed, and the through holes 41K and 42K have smaller diameters than the recesses 41 and 42. Therefore, the ends of the fixing members 51 and 52 on the bearing surface side (corresponding to the heads 51A and 52A). ) Is made larger in diameter than the through holes 41K and 42K and smaller in diameter than the recesses 41 and 42, so that the fixing members 51 and 52 can be prevented from coming off to the back side of the cushion.

The cushion 12 is a single-layer mesh cushion, the cover 13 is a mesh cover, and the seat 10 is constituted by the single-layer mesh cushion, the mesh cover, and the fixing members 51 and 52. Thus, the seat 10 can be configured without using a so-called seat bottom plate, and it is possible to provide a lightweight seat 10 having excellent cushioning property and air permeability.
Moreover, since the concave portions 41 and 42 are formed by thermally deforming the single-layer net-like cushion, the concave portions 41 and 42 can be easily formed in the single-layer net-like cushion, and the bottom portions 41A and 42A of the concave portions 41 and 42 are made to be hard regions. be able to. Therefore, the fixing members 51 and 52 and the cover 13 can be fixed to a portion having high strength without using a seat bottom plate having high strength.

Further, the sheet 10 is located on the support frame 61, the recess 42 is provided at a position overlapping with the support frame 61 in plan view, and the fixing member 52 is fixed to the support frame 61 through the recess 42. . Thus, the seat 10 can be fixed to the support frame 61 using the fixing member 52 that fixes the cover 13 and the cushion 12.
In addition, at least one of the concave portions 41 and 42 is provided at a position overlapping with the support frame 61 in a plan view, and at least one of the fixing members 51 and 52 passes through one of the concave portions 41 and 42 and the support frame 61. May be fixed.

  Further, since the depths D1 and D2 of the recesses 41 and 42 exceed half the thickness of the cushion 12, even if the cushion 12 is deformed, the contact between the occupant and the fixing members 51 and 52 can be sufficiently avoided.

(Second embodiment)
FIG. 6 is a cross-sectional view showing the concave portion 41 of the sheet according to the second embodiment together with peripheral components. The same parts as in the first embodiment are denoted by the same reference numerals.
The second embodiment is different from the first embodiment in that the peripheral portion 13S of the cover 13 goes around the back surface of the cushion 12 and engages with the fixing member 51 that passes through the through hole 41K.
As shown in FIG. 6, the peripheral portion 13 </ b> S of the cover 13 integrally includes a flange portion 13 </ b> A that is bent toward the back surface of the cushion 12 beyond the side edge of the cushion 12. This flange portion 13A extends to a region covering the lower part of the through hole 41K communicating with the concave portion 41.

The flange portion 13A has an engaging portion 13K with which the fixing member 51 penetrating through the through hole 41K is engaged. The engaging portion 13K is a stitch when the flange portion 13A is formed of the mesh material 100, and the fixing member 51 and the flange portion 13A engage with each other when the fixing member 51 is inserted into the stitch.
As shown in FIG. 6, the fixing member 51 is prevented from coming off by the stopper 55 outside the flange portion 13A. Thereby, the flange portion 13A is sandwiched between the stopper 55 and the back surface of the cushion 12, and the peripheral portion 13S of the cover 13 can be fixed to the cushion 12.

As described above, since the peripheral portion 13S of the cover 13 goes around the back surface of the cushion 12, the peripheral portion 13S of the cover 13 can be made hard to be viewed.
Further, the peripheral portion 13 </ b> S extends around the back surface of the cushion 12 to a position corresponding to the through hole 41 </ b> K and engages with the fixing member 51. Thus, the cover 13 (peripheral portion 13S) can be fixed to the cushion 12 using the fixing member 51 for fixing the cover 13 and the cushion 12. Therefore, the number of parts can be reduced and the structure can be simplified as compared with the case where these are fixed separately.

In FIG. 6, the through-hole 41 </ b> K is formed to have a larger diameter than the shaft portion 51 </ b> B, and between the through-hole 41 </ b> K and the fixing member 51, a cylindrical component 71 (made of rigid metal or resin) is formed. Color). This cylindrical component 71 makes it possible to further improve the strength between the head 51A of the fixing member 51 in the cushion 12 and the cover 13 (flange 13A).
The flange portion 13A may be provided so as to engage with each fixing member 51 inserted into each concave portion 41, and may be formed over the entire periphery of the cover 13 or may be formed over the entire periphery of the cover 13. It may not be formed over the circumference.

  Further, similarly to the first embodiment, the depth D1 of each concave portion 41 is formed to a depth exceeding half of the thickness of the cushion 12 (the position indicated by reference numeral P1), so that the cushion 12 is deformed. Also, contact between the occupant and the fixing member 51 can be avoided.

In the first embodiment, a rigid cylindrical component 71 may be arranged between the through holes 41K and 42K of the cushion 12 and the fixing members 51 and 52.
Further, the peripheral portion 13S (including the flange portion 13A) of the cover 13 may extend to a position corresponding to the through hole 42K and engage with the fixing member 52.

  In the second embodiment, the case where the flange portion 13A is formed of the mesh material 100 has been described. However, the present invention is not limited to this, and the flange portion 13A may be formed of a cloth other than the mesh material 100. In this case, a through-hole may be provided in the fabric constituting the flange portion 13A as the engaging portion 13K with which the fixing member 51 engages.

The above embodiment is merely an embodiment of the present invention, and can be arbitrarily modified and applied without departing from the spirit of the present invention.
For example, although the case where the concave portion 41 has a cylindrical concave shape has been described, the concave portion 41 may be changed to a polygonal cylindrical shape. Further, the case where the cover 13 is a mesh cover has been described, but the cover 13 is not limited to the mesh cover. Also, the cushion 12 is not limited to the single-layer mesh cushion, and may be urethane, for example.

Although the case where the seat 10 does not include the seat bottom plate has been described, a seat bottom plate that supports the cushion 12 from below may be provided, and a known seat structure can be widely applied.
Further, the shape of the sheet 10 may be appropriately changed. Further, in the above-described embodiment, the present invention is applied to the driver-only single seat. However, the present invention may be applied to a tandem seat on which the driver and the passenger ride, or a passenger-only single seat. .

  Further, the present invention can be applied to a seat of a vehicle other than a motorcycle. For example, the present invention is not limited to motorcycles (including motorized bicycles), but may be applied to seats of other motorcycles such as bicycles, and saddle-riding vehicles including three-wheeled vehicles such as ATVs (off-road vehicles) and four-wheeled vehicles. You may. Further, the present invention may be applied to a seat other than a vehicle.

1 motorcycles (saddle-riding type vehicles)
DESCRIPTION OF SYMBOLS 10 Seat 12 Cushion 13 Cover 41, 42 Depression 41A, 42A Bottom 51, 52 Fixing member 41K, 42K Through hole 61 Support frame 100 Mesh material

Claims (8)

In a seat provided with a cushion (12) constituting a seat and a cover (13) covering the cushion (12),
A plurality of recesses (41, 42) provided on a seating surface of the cushion (12);
A fixing member (51, 52) that is engaged with the cover (13) and is held in a state of being inserted into each of the recesses (41, 42) to fix the cover (13) to the cushion (12); A sheet comprising: Through holes (41K, 42K) through which the fixing members (51, 52) penetrate are provided at the bottoms (41A, 42A) of the recesses (41, 42),
The fixing members (51, 52) are exposed to the back surface of the cushion (12) through the through holes (41K, 42K), and restrict the detachment of the fixing members (51, 52) at the exposed portions. The seat according to claim 1, wherein the seat is prevented from falling off.   The sheet according to claim 2, wherein the recesses (41, 42) are cylindrically recessed, and the through holes (41K, 42K) have a smaller diameter than the recesses (41, 42).   The cushion (12) is a single-layer mesh cushion, the cover (13) is a mesh cover, and the seat (10) is formed by the single-layer mesh cushion, the mesh cover, and the fixing members (51, 52). The sheet according to claim 2, wherein the sheet is configured.   The seat according to any one of claims 2 to 4, wherein a peripheral portion (13S) of the cover (13) goes around a back surface of the cushion (12).   The peripheral portion (13S) of the cover (13) extends around the back surface of the cushion (12) to a position corresponding to one of the through holes (41K, 42K), and the fixing members (51, 52). 6. The sheet according to claim 5, wherein the sheet engages with any one of the above. The sheet (10) is located on a support frame (61),
One of the recesses (41, 42) is provided at a position overlapping with the support frame (61) in plan view,
7. The support frame according to claim 1, wherein one of the fixing members penetrates one of the recesses and is fixed to the support frame. 8. A sheet according to one of the preceding claims.   The seat according to any one of the preceding claims, wherein the depth of the recesses (41, 42) exceeds half the thickness of the cushion (12).

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