JP7283296B2 - sheet tray - Google Patents

Description

The present invention relates to sheet trays. Specifically, it relates to a seat tray provided on the top plate side of the seat cushion.

A configuration is known in which a seat tray made of resin is provided on the top plate side of a seat cushion of a so-called bench seat (Patent Document 1).

JP 2014-4866 A

When the seat tray is connected to the seat frame by screwing, it is necessary to provide mounting seats and fastening holes between the seat frame and the seat frame in such a manner that variations can be absorbed. Accordingly, the present invention provides a sheet tray that can be easily attached to a sheet.

In order to solve the above problems, the sheet tray of the present invention employs the following means.

That is, the seat tray of the present invention is a seat tray that is provided on the top plate side of a seat cushion, and includes a tray body forming a top plate surface, front and rear bands extending from two front and rear back surfaces of the tray body, It has a buckle for detachably connecting front and rear bands, and a band adjuster for adjusting the length of one of the front and rear bands. The front and rear bands are connected to the tray body by buckles so as to surround the seat cushion constituent members, and are length-adjusted by band adjusters so as to be fastened to the seat cushion constituent members.

According to the above configuration, the seat tray can be easily assembled to the seat cushion. Specifically, the front and rear bands are hung in such a manner as to surround the constituent members of the seat cushion, and are connected by buckles. Then, the front and rear bands are tightened to the members constituting the seat cushion by adjusting the length using the band adjuster. As a result, the seat tray can be assembled to the seat cushion in a form that appropriately absorbs variations in the assembly position with respect to the constituent members of the seat cushion.

Moreover, the sheet tray of the present invention may be further configured as follows. A seat frame is a component of the seat cushion.

According to the above configuration, the seat tray can be assembled to the seat cushion in a more rigid state.

Moreover, the sheet tray of the present invention may be further configured as follows. A band adjuster is configured to fix the length of one band by passing one band in a folded shape. Between the free end of one band passed through the band adjuster and the other band, a hook-and-loop fastener that can be detachably connected by putting them against each other is set.

According to the above configuration, it is possible to suppress fluttering of the free end of one of the bands. Also, the free end of one band is less likely to be pulled into the band adjuster. Therefore, the front and rear bands can be more reliably held at the adjusted length.

Moreover, the sheet tray of the present invention may be further configured as follows. A tray body is provided at a position lower than the top plate main of the seat cushion.

According to the above configuration, it is possible to make it difficult for the seated person to feel a foreign object due to the arrangement of the seat tray.

1 is a perspective view showing a schematic configuration of a sheet tray according to a first embodiment; FIG. FIG. 2 is an enlarged view of a main portion of FIG. 1; FIG. 3 is a plan view of FIG. 2; FIG. 3 is an inner side view of FIG. 2; FIG. 4 is an exploded perspective view of the seat cushion with the seat tray removed; FIG. 4 is a perspective view of the sheet tray as seen from the back side; It is an exploded perspective view of a seat cushion. FIG. 4 is a cross-sectional view taken along line VIII-VIII of FIG. 3; It is sectional drawing showing the operation|work process which pulls and tightens the band of a front side.

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

<<1st Embodiment>>
(Overview of configuration of sheet tray 10)
First, the configuration of the sheet tray 10 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 9. FIG. In the following description, when directions such as front, back, up, down, left, and right are indicated, they refer to the respective directions shown in the respective drawings.

As shown in FIG. 1, a seat tray 10 according to this embodiment is provided on a seat cushion 3 of a seat 1 that constitutes the left front seat of an automobile. Specifically, the seat tray 10 is provided on the right top plate side 3B of the seat cushion 3 .

The seat 1 is configured as a so-called bench seat on which two people can be seated on the left and right sides. Specifically, the seat 1 has a seat back 2 that serves as a backrest portion for a seated person, and a seat cushion 3 that serves as a sitting portion. The seat 1 has a laterally long seat width with a left seat area configured as a wide main seat and a right seat area configured as a narrow sub-seat.

The seat cushion 3 is formed with planar top plate mains 3A at two positions on the left and right sides thereof, which constitute seating surface areas of the main seat and sub-seat. Top plate sides 3B having a surface shape slightly swollen like a bank are formed on the left and right sides of each top plate main 3A.

A seat tray 10 made of resin is provided on the top plate side 3B on the right end side of the seat cushion 3. As shown in FIG. As shown in FIGS. 2 to 4, the sheet tray 10 is provided along the shape of the concave portion 3B1 formed in the top plate side 3B on the right end side. As a result, the seat tray 10 is configured to form a top plate surface at a position lower than the top plate main 3A of the seat cushion 3, so that when the occupant sits on the right seat area, the seat tray 10 is less likely to feel foreign objects. It is

As shown in FIG. 5, the sheet tray 10 is set from above in the concave portion 3B1 of the top plate side 3B. Specifically, the sheet tray 10 has nylon bands 12 and 13 attached to the rear surface of the tray main body 11 at two locations on the front and rear sides. They are fixed on the top plate side 3B by connecting with each other on the back side of the seat cushion 3. - 特許庁

(Regarding the configuration of each part of the sheet tray 10)
The specific configuration of each part of the seat tray 10 will be described in detail below together with the configuration of the seat cushion 3. FIG. First, the configuration of the sheet tray 10 will be described. As shown in FIG. 6, the sheet tray 10 includes a tray main body 11 forming a top plate surface, front and rear bands 12 and 13 attached to two front and rear rear surface portions of the tray main body 11, and front and rear bands 12 and 13. and a resin buckle 14 that couples the .

Further, the sheet tray 10 has a band adjuster 15 capable of adjusting the length of the band 12 on the front side, and a free end portion 12A of the front band 12 passed through the band adjuster 15 can be attached to and detached from the band 13 on the rear side. and hook-and-loop fasteners 16 that can be coupled to. As shown in FIG. 5, the tray main body 11 includes a main body surface portion 11A set on the bottom surface of the concave portion 3B1 of the top plate side 3B, and a front edge portion of the main body surface portion 11A that rises from the main body surface portion 11A and extends from the front side of the top plate side 3B. It has a stepped shape with a cover surface portion 11B set on the surface.

As shown in FIG. 6, the front and rear bands 12 and 13 are fixed at their respective upper ends to the rear surface portions of the tray body 11 at front and rear positions. As a result, the front and rear bands 12 and 13 extend downward from the front and rear rear surfaces of the tray body 11 before they are coupled to each other. Each of the bands 12 and 13 is attached to the rear surface of the tray body 11 so that the band width direction of each band faces the sheet width direction (horizontal direction).

The buckle 14 is composed of a male member 14A attached to the band 12 on the front side and a female member 14B attached to the band 13 on the rear side. The male member 14A and the female member 14B are provided with a pawl hooking structure that can be detachably coupled to each other by snap-fitting. Specifically, by inserting the male member 14A into the female member 14B, a pair of left and right claws (not shown) provided on the male member 14A enter a pair of left and right holes (not shown) provided on the female member 14B. Snap-fit to the As a result, the male member 14A is locked to the female member 14B.

Further, the male member 14A fitted to the female member 14B is released from the snap-fit fitting state with respect to the female member 14B by operating (side releasing) the pair of left and right claws to be pushed in from both sides by the user. removed. Therefore, by pulling out the male member 14A from the female member 14B after the pushing operation, the front and rear bands 12, 13 can be released from the connected state.

The band adjuster 15 is configured as a mounting portion for the band 12 on the front side of the male member 14A. Here, the front band 12 corresponds to "one band" of the present invention. Also, the rear band 13 corresponds to the "other band" of the present invention.

Specifically, the band adjuster 15 has a passage opening (not shown) through which the front band 12 is passed, and a folding opening (not shown) through which the tip of the front band 12 passed through the passage opening is folded back again. The band adjuster 15 has a pressing claw (not shown) that presses and holds the front band 12, which has been double-layered by folding, in a state of being layered by longitudinal tension applied to the band 12. have.

With the above configuration, the band adjuster 15, as shown in FIG. 9, pulls in the longitudinal direction the free end portion 12A passed through the passage opening and the folded opening of the front band 12, thereby moving the pressing claw. By pushing up, the length of the band 12 on the front side (the length between the tray body 11 and the band adjuster 15) can be adjusted to be shortened. When the band adjuster 15 stops pulling the free end portion 12A of the front band 12, the front band 12 is again overlapped by the tension applied to the front band 12 by the pressing claw. The parts are pressed together in close contact and held in frictional lock.

Thereby, the band adjuster 15 holds the front band 12 in the adjusted length state. The configuration of the band adjuster 15 is well known. Therefore, detailed illustration of each part of the band adjuster 15 is omitted.

The hook-and-loop fastener 16 has a male surface (hook surface) 16A sewn to the free end 12A of the front band 12 passed through the band adjuster 15, and a female surface sewn to the rear band 13. (Loop surface) 16B. After adjusting the length of the front band 12, as shown in FIG. Male surface 16A and female surface 16B are joined.

As a result, the free end portion 12A of the band 12 on the front side is held in a state of being overlapped with the band 13 on the rear side. The free end portion 12A of the band 12 on the front side is held by the hook-and-loop fastener 16 so as not to flutter. Also, the free end portion 12A of the band 12 on the front side is held so as not to be pulled into the band adjuster 15 . Therefore, the front band 12 can be more stably held in the adjusted length state.

(Regarding the configuration of each part of the seat cushion 3)
As shown in FIG. 7, the seat cushion 3 includes a metal cushion frame 31 forming its skeleton, a foamed urethane cushion pad 32 set on the upper part of the cushion frame 31, and a cushion pad 32 extending from the outer peripheral side. and a cushion cover 33 made of covering fabric.

The cushion frame 31 includes side frames 31A provided at a total of three positions on the left and right sides and the center of the seat cushion 3, a front pipe 31B spanning between front ends of the side frames 31A, and each side frame 31A. and a rear pipe 31C that spans between the rear ends of the . Each side frame 31</b>A constitutes a side skeleton of each of the left and right seat areas of the seat cushion 3 .

The front pipe 31B forms the skeleton of the front portion of the seat cushion 3. As shown in FIG. The rear pipe 31</b>C forms the skeleton of the rear portion of the seat cushion 3 . The cushion frame 31 is configured to strongly support the cushion pad 32 set thereon from below at its peripheral and central portions by means of a peripheral skeleton formed by the side frames 31A, the front pipe 31B, and the rear pipe 31C. be done.

The cushion frame 31 further has a plurality of pad support wires 31D that are stretched between the side frames 31A. As shown in FIG. 8, these pad support wires 31D are stretched over a plurality of locations in the front-rear direction between the side frames 31A. Each pad support wire 31D is configured to planarly support the cushion pad 32 set on the upper portion of the cushion frame 31 from below.

Of the pad support wires 31D, two of the pad support wires 31D, which are stretched over the two front and rear portions between the side frames 31A, also function as hanging wires 31E1 and 31E2. These hanging wires 31E1 and 31E2 are provided at positions lower than the other pad supporting wires 31D. The front hooking wire 31E1 is a hooking portion for hooking the front band 12 extending downward from the sheet tray 10 from the front lower side to the rear side.

The rear hanging wire 31E2 is a hanging portion for hanging the rear band 13 extending downward from the sheet tray 10 from the rear lower side to the front side. Here, the front and rear hanging wires 31E1 and 31E2 respectively correspond to the "constituent member of the seat cushion" and the "seat frame" of the present invention.

As shown in FIG. 7, the cushion pad 32 is assembled on the upper portion of the cushion frame 31 and configured to elastically receive the load of the seated person. The cushion pad 32 has a concave portion 32A forming the concave portion 3B1 at the right end portion of the top plate surface. Also, the front and rear bands 12 and 13 of the seat tray 10 can be passed from above to below at two positions in the front and rear of the right end portion of the top plate surface of the cushion pad 32 . A through hole 32B is formed to penetrate in the height direction.

The cushion cover 33 covers the cushion pad 32 attached to the upper portion of the cushion frame 31 from above in a bag shape. More specifically, the front, rear, left, and right peripheral edges of the cushion cover 33 covered with the cushion pad 32 are passed through the back side of the cushion frame 31 and fixed to various locations of the cushion frame 31. ing. Thereby, the cushion cover 33 is provided in a state in which the entire surface of the cushion pad 32 is stretched and holds the cushion pad 32 assembled on the cushion frame 31 .

The cushion cover 33 has a concave cover piece 33A sewn along the shape of the concave portion 32A of the cushion pad 32 to cover the concave portion 32A. The concave surface cover piece 33A is fixed by suspending the peripheral edge portions of the bottom surface covering the concave surface portion 32A of the cushion pad 32 into the concave surface portion 32A. The cushion cover 33 is formed with through holes 33B at two front and rear positions on the right end side overlapping the through holes 32B of the cushion pad 32 so as to open the through holes 32B upward.

(Procedure for assembling sheet tray 10)
Next, a procedure for assembling the seat tray 10 to the seat cushion 3 will be described. First, as shown in FIG. 5, the seat tray 10 is set from above on the seat cushion 3 in which the cushion frame 31, the cushion pad 32, and the cushion cover 33 are assembled.

Specifically, the front and rear bands 12, 13 of the sheet tray 10 are inserted into the front and rear through holes 33B, 32B from above, respectively, and the main body surface portion 11A and the cover surface portion 11B of the tray main body 11 are respectively attached to the top plate side. The recess 3B1 of 3B is set so that the bottom surface and the general surface are bottomed. Next, as shown in FIG. 9, the front band 12 passed through the back side of the cushion pad 32 is passed through the front hanging wire 31E1 so as to be hung from the front side to the rear side. Then, the rear band 13, which is also passed through the rear side of the cushion pad 32, is passed through the rear hanging wire 31E2 so as to be hung from the rear side to the front side.

Then, the male member 14A of the buckle 14 attached to the band 12 on the front side is inserted into the female member 14B attached to the band 13 on the rear side from the front side and locked. As a result, the tray body 11 and the front and rear bands 12 and 13 are joined together in a loop shape so as to surround the seat cushion 3 .

Next, the free end 12A of the front band 12 passed through the band adjuster 15 is pulled forward and downward, and the front and rear bands 12, 13 are fastened to the front and rear hanging wires 31E1, 31E2. As a result, the tray main body 11 is elastically pressed onto the cushion pad 32 by the tightening force of the front and rear bands 12 and 13 which are tightened by the hanging wires 31E1 and 31E2, so that the tray body 11 is fixed in position without wobbling. becomes.

Next, as shown in FIG. 8, the free end 12A of the band 12 on the front side passed through the band adjuster 15 is placed on the band 13 on the rear side from below, and the male hook-and-loop fastener 16 is attached. Join face 16A and female face 16B. As a result, the free end portion 12A of the front band 12 is fixed to the lower surface of the rear band 13 and does not flutter. Also, the free end portion 12A of the band 12 on the front side is held in a state in which it is not drawn into the band adjuster 15. As shown in FIG.

(summary)
In summary, the sheet tray 10 according to this embodiment has the following configuration. That is, the seat tray (10) provided on the top plate side (3B) of the seat cushion (3) includes a tray main body (11) forming the top plate surface and two rear surface portions of the tray main body (11). Front and rear bands (12, 13) extending from the front and rear bands (12, 13), a buckle (14) detachably connecting the front and rear bands (12, 13), and one band (12) of the front and rear bands (12, 13) ) and a band adjuster (15) whose length can be adjusted.

The front and rear bands (12, 13) are connected to the tray body (11) by buckles (14) in such a manner as to surround the constituent members (31E1, 31E2) of the seat cushion (3). ) is adjusted in length so that it can be tightened to the constituent members (31E1, 31E2) of the seat cushion (3).

According to the above configuration, the seat tray (10) can be easily assembled to the seat cushion (3). Specifically, the front and rear bands (12, 13) are hung around the constituent members (31E1, 31E2) of the seat cushion (3) and connected with the buckle (14). By adjusting the length of the band adjuster (15), the front and rear bands (12, 13) are fastened to the constituent members (31E1, 31E2) of the seat cushion (3). As a result, the seat tray (10) can be assembled to the seat cushion (3) while appropriately absorbing variations in the assembly position with respect to the constituent members (31E1, 31E2) of the seat cushion (3).

Further, the constituent members (31E1, 31E2) of the seat cushion (3) are the seat frame. According to the above configuration, the seat tray (10) can be assembled to the seat cushion (3) in a more rigid state.

Also, the band adjuster (15) has a structure in which the length of one band (12) is fixed by passing one band (12) in a folded manner. A surface that can be detachably connected by putting the free end (12A) of one band (12) through the band adjuster (15) and the other band (13) against each other. A fastener (16) is set.

According to the above configuration, it is possible to suppress fluttering of the free end (12A) of one band (12). Also, the free end (12A) of one band (12) is less likely to be pulled into the band adjuster (15). Therefore, the front and rear bands (12, 13) can be more reliably held at the adjusted length.

Also, the tray body (11) is provided at a position lower than the top plate main (3A) of the seat cushion (3). According to the above configuration, it is possible to make it difficult for the seated person to feel a foreign object due to the arrangement of the seat tray (10).

<<About other embodiments>>
As described above, the embodiment of the present invention has been described using one embodiment, but the present invention can be implemented in various forms shown below in addition to the above embodiment.

1. The seat tray of the present invention may be applied not only to the seat of an automobile, but also to the seat of a vehicle such as a railroad other than an automobile, or a vehicle such as an aircraft or a ship. In addition to vehicle seats, seat trays are applied to spectator seats installed in various facilities such as sports facilities, theaters, concert venues, and event venues, as well as non-vehicle seats such as massage seats. can be

2. The seat tray may be provided on the top plate side on the left side of the seat cushion. Moreover, the seat tray may be provided on the top plate side between the adjacent seats, in addition to the top plate side on the end side of the bench seat. Also, the sheet tray may be provided in a so-called separate sheet for one person.

3. The "constituent member of the seat cushion" surrounded by the front and rear bands may consist of the seat frame such as hanging wire shown in the above embodiment, as well as cushion pads and other accessories.

4. The band adjuster may adjust the length of the band on the rear side. In addition, the band adjuster may be used as long as it adjusts the length of one of the front and rear bands. may be provided at an intermediate location.

5. The buckle may be of any type as long as it detachably connects the front and rear bands, and may be of a snap-fit type or a pin-type configuration in which a pin is inserted through a hole to connect.

6. The seat tray may be configured such that the tray body is provided at the same height position as the top plate main of the seat cushion.

7. The hook-and-loop fastener may detachably connect the free end of one band passed through the band adjuster to the base side of the same band. Also, it may be coupled to other structural members such as a seat frame.

1 seat 2 seat back 3 seat cushion 3A top plate main 3B top plate side 3B1 concave portion 10 seat tray 11 tray main body 11A main body surface portion 11B cover surface portion 12 band (one band)
12A free end 13 band (other band)
14 Buckle 14A Male member 14B Female member 15 Band adjuster 16 Hook-and-loop fastener 16A Male surface 16B Female surface 31 Cushion frame 31A Side frame 31B Front pipe 31C Rear pipe 31D Pad support wire 31E1 Hanging wire (seat frame, seat cushion component)
31E2 hanging wire (seat frame, seat cushion component)
32 Cushion pad 32A Concave portion 32B Through hole 33 Cushion cover 33A Concave surface cover piece 33B Through hole

Claims (2)

A seat tray provided on the top plate side of the seat cushion,
a tray body forming a top plate surface;
front and rear bands extending from two front and rear rear surface portions of the tray body;
a buckle for detachably connecting the front and rear bands;
a band adjuster capable of adjusting the length of one of the front and rear bands;
The front and rear bands are connected to the tray body by the buckle so as to surround the seat cushion constituent members, and are length-adjusted by the band adjuster so as to be fastened to the seat cushion constituent members. ,
The band adjuster has a structure for fixing the length of the one band by passing the one band in a folded shape,
A sheet tray in which a hook-and-loop fastener that can be detachably connected by pressing against each other is set between the free end of the one band passed through the band adjuster and the other band. The sheet tray according to claim 1,
A seat tray in which the tray body is provided at a position lower than a top plate main of the seat cushion .

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