JP7383914B2 - Vehicle seat table device - Google Patents

Description

The present invention relates to a vehicle seat table device. Specifically, the present invention relates to a vehicle seat table device that includes a table connected to a vehicle seat.

Patent Document 1 discloses a configuration in which a vehicle seat is provided with a seat table device that can be used by a seated person. The seat table device has a structure in which the table is connected via a stay to the side of a vehicle seat so that it can be expanded and stored. The lower end of the stay is connected to the side of the vehicle seat, and the end extending upward from the connecting portion is connected to the end of the table.

JP2018-197063

In the above-mentioned prior art, the stay is connected to the side of the vehicle seat in a cantilevered manner. Therefore, the stay is susceptible to bending load when a working load is applied to the table. Therefore, the present invention provides a seat table device for a vehicle that can increase the structural strength of the stay that supports the table.

In order to solve the above problems, the vehicle seat table device of the present invention takes the following measures.

That is, the vehicle seat table device of the present invention is a vehicle seat table device including a table connected to a vehicle seat. This vehicle seat table device includes a stay that extends in the height direction from the side of the vehicle seat and supports the table, and a stay that extends in the height direction from the side of the adjacent seat adjacent to the outside of the vehicle seat. an adjacent stay that supports an adjacent table provided on the seat of the table, and a connecting portion that connects the stay and the adjacent stay so that the working load applied to each table surface can be transmitted to the other side. .

According to the above configuration, each working load applied to the table surface of the table and the table surface of the adjacent table is transmitted to and supported by both the stay and the adjacent stay by the connecting portion. Thereby, the structural strength of each of the stay and the adjacent stay can be rationally increased.

Further, the vehicle seat table device of the present invention may be further configured as follows. The stay is connected to the side of the vehicle seat so as to be slidable in the front-rear direction, and the adjacent stay is also connected to the side of the adjacent seat so as to be slidable in the front-rear direction. The connecting portion has a relief structure that connects the stay and the adjacent stay in a state that allows each slide to escape.

According to the above configuration, the stay and the adjacent stay can be connected in such a manner that sliding of each stay in the longitudinal direction is not inhibited.

Furthermore, the vehicle seat table device of the present invention may be further configured as follows. The table surface of the table overhangs from the stay to the inside of the vehicle seat, and the table surface of the adjacent table also overhangs from the adjacent stay to the inside of the adjacent seat.

According to the above configuration, the table and the adjacent table can be provided in a state in which the table and the adjacent table are protruded to a position where it is easy for the seated person on each side to use the table. Even if a working load is applied to each table surface at such an overhanging position and a large bending load is applied to the stay and/or the adjacent stay, the load is transferred between the stay connected by the connecting part and the adjacent stay. It can be received in a dispersed manner.

FIG. 1 is a perspective view showing a schematic configuration of a vehicle seat table device according to a first embodiment. FIG. 3 is a perspective view showing a state in which the left table is slid forward from the left seat. FIG. 3 is a perspective view showing a state in which the right table is slid forward from the right seat. FIG. 2 is a front view of FIG. 1; FIG. 5 is a perspective view of the V portion of FIG. 4 viewed from an obliquely upward angle. 5 is an enlarged view of the VI section in FIG. 4. FIG. FIG. 3 is an enlarged perspective view of an intermediate connecting portion that connects the intermediate portions of both tables. FIG. 8 is a perspective view showing a state in which the table on the right side of FIG. 7 is brought forward; It is a front view showing the transmission route of the load input into the left table. It is a front view showing the transmission route of the load input into the table on the right side.

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

《First embodiment》
(About the schematic configuration of the seat table device 1)
First, the configuration of a seat table device 1 according to a first embodiment of the present invention (corresponding to the "vehicle seat table device" of the present invention) will be described using FIGS. 1 to 10. In the following description, when directions such as front, back, top, bottom, left, and right are indicated, the respective directions shown in each figure are referred to. Furthermore, when referring to the "sheet width direction", it refers to the left-right direction of the sheets 100 and 200, which will be described later.

As shown in FIG. 1, the seat table device 1 according to the present embodiment is provided between a seat 100 forming the left seat of an automobile and a seat 200 forming the right side seat. The left seat 100 integrally includes a seat back 101 that serves as a backrest for a seated occupant, a seat cushion 102 that serves as a seating area, and left and right armrests 103 that serve as elbow rests. The left seat 100 is connected to the floor of the vehicle via an electric seat slide device 104 so that its position can be adjusted in the longitudinal direction.

Similarly, the right seat 100 integrally includes a seat back 201 forming a backrest for a seated occupant, a seat cushion 202 forming a seating area, and left and right armrests 203 serving as elbow rests. The right seat 200 is also connected to the floor of the vehicle via an electric seat slide device 204 so that its position can be adjusted in the longitudinal direction. The left seat 100 and the right seat 200 are configured to be symmetrical to each other.

The seat table device 1 includes a table 10 connected to the right side of the left seat 100, a table 20 connected to the left side of the right seat 200, and corresponding stays 11 on each side that support each table 10, 20. , 21 in the height direction. Each of the tables 10 and 20 has a top plate shape that is elongated in the front-rear direction. Each of the tables 10 and 20 is connected to the side portions of the corresponding seats 100 and 200 via vertical stays 11 and 21, respectively.

In the seat table device 1, the left and right tables 10, 20 and the connecting structures connecting these to the corresponding seats 100, 200 on each side are configured to be symmetrical to each other. Moreover, the intermediate connecting portion 30 that connects the intermediate portions of the stays 11 and 21 in the height direction is also configured to be bilaterally symmetrical. Here, the left seat 100 corresponds to the "vehicle seat" of the present invention. Further, the right-hand seat 200 corresponds to the "adjacent seat" of the present invention. Furthermore, the table 20 on the right corresponds to the "adjacent table" of the present invention. Further, the stay 21 on the right side corresponds to the "adjacent stay" of the present invention. Further, the intermediate connecting portion 30 corresponds to the “connecting portion” of the present invention.

Due to the above connection, the tables 10 and 20 are arranged side by side between the left and right seats 100 and 200. Each table 10, 20 is configured to move in the longitudinal direction integrally with the corresponding seat 100, 200 on each side as the corresponding seat 100, 200 on each side slides in the longitudinal direction. Further, each table 10, 20 has a lower end portion of each stay 11, 21 connected to a side portion of the seat 100, 200 on each corresponding side via an electric table slide device 12, 22, respectively. , and are connected to each other so that their positions can be adjusted in the front and rear directions (see FIGS. 2 and 3).

As a result, each table 10, 20 can adjust its longitudinal position on the floor by sliding the corresponding seats 100, 200 on each side in the longitudinal direction. The configuration is adjustable. As shown in FIG. 4, the intermediate connecting portion 30 is configured to connect the intermediate portions of the stays 11 and 21 in the height direction to each other in a state that allows them to slide in the front and rear directions. Due to the intermediate connecting portion 30, each stay 11, 21 has increased structural strength so that the working load of each table 10, 20 can be distributed to the other side without hindering the relative movement of each stay 11, 21 in the front-rear direction. It is assumed that the configuration is as follows.

(About the configuration of each part of the seat table device 1)
Hereinafter, the specific configuration of each part of the seat table device 1 will be described in detail. Each table 10, 20 is configured to extend inward in the seat width direction from a position between both seats 100, 200, passing above the armrests 103, 203 of the seats 100, 200 on each corresponding side. Ru.

Each stay 11, 21 hangs down from the edge of the adjacent side of each table 10, 20, and the edge of each hangs down slips under the side of the sheet 100, 200 on each corresponding side. The sheet is bent in such a way that it bulges inward in the width direction of the seat. The bent edge of each stay 11, 21 can be adjusted in position in the front-rear direction with respect to the corresponding side of the seat 100, 200 via the table slide devices 12, 22. Connected in a ready-to-operate state.

As shown in FIG. 5, each table slide device 12, 22 includes slide rails 12A, 22A extending in the front-rear direction, sliders 12B, 22B slidably assembled to the slide rails 12A, 22A, and a slider 12B. , 22B. Each slide rail 12A, 22A is fixed at a position below the side of the seat 100, 200 on each corresponding side. Each slider 12B, 22B is fixed to the lower surface of the bent edge of the corresponding stay 11, 21 on each side.

Through the connection via the table slide devices 12 and 22, each table 10 and 20 can be adjusted in the longitudinal direction relative to the seats 100 and 200 on each corresponding side as appropriate by the user operating an electric switch (not shown). The structure is such that it can be adjusted freely. Specifically, for example, the position of each table 10, 20 can be adjusted for each corresponding seat 100, 200 on each side to a desired position that matches the physique of the seated occupant.

Further, by adjusting the front and back positions of both seats 100 and 200 and the corresponding front and rear positions of both tables 10 and 20, it is possible for both seated occupants to widely share and use both tables 10 and 20. It can be done. Furthermore, when the front and back positions of each seat 100, 200 are shifted, the position of each table 10, 20 is adjusted to the position of either seat 100, 200, and one of the seated occupants can move both tables 10, 20. Can be made widely available.

As shown in FIG. 6, the intermediate connecting portion 30 is set between a guide rail 31 fixed to the right side of the left stay 11 and a guide rail 32 fixed to the left side of the right stay 21. The guide rail 33 includes a middle rail 33 and a bearing 34 interposed between each guide rail 31 and the middle rail 33.

The left and right guide rails 31 and 32 are each in the form of an upright plate that is elongated in the front-rear direction. Specifically, as shown in FIGS. 6 and 7, the left guide rail 31 includes an upright side plate portion 31A that is applied to the right side of the left stay 11, and upper and lower sides of the same side plate portion 31A. It has a rail shape having each guide plate portion 31B extending from the edge to the right side (outside in the seat width direction).

Similarly, as shown in FIGS. 6 and 8, the guide rail 32 on the right side has an upright side plate portion 32A that is applied to the left side of the right stay 21, and from the upper and lower edges of the same side plate portion 32A. It has a rail shape having each guide plate portion 32B extending to the left side (outside in the seat width direction).

As shown in FIG. 6, the intermediate rail 33 has a vertical plate-like rail shape that is long in the front-rear direction and is set across between the upper and lower guide plate portions 31B and 32B of each guide rail 31 and 32. . The bearings 34 are applied in the height direction between the upper and lower guide plate portions 31B, 32B of each guide rail 31, 32 and the upper and lower edges of the intermediate rail 33 set therebetween. It is composed of a plurality of steel balls 34A set in the steel balls 34A, and a pair of left and right cages 34B that separately hold each steel ball 34A on the left and right sides so as to be rotatable.

Each steel ball 34A is inserted between the guide plate portions 31B, 32B on the upper side of each guide rail 31, 32 and two left and right places on the upper edge of the intermediate rail 33, and on the lower side of each guide rail 31, 32. A plurality of them are arranged in a row in the front and back direction at a total of four positions between the plate parts 31B, 32B and two places on the left and right of the lower edge of the intermediate rail 33.

Each steel ball 34A is inserted into a groove having a substantially concave curved cross section, which is formed in both the upper and lower guide plate portions 31B, 32B of each guide rail 31, 32 and the upper and lower edges of the intermediate rail 33. They are set in a state where they fit into each other. As a result, each steel ball 34A is positioned between the upper and lower guide plate portions 31B, 32B and the intermediate rail 33 when either one of the stays 11, 21 is moved in the front-rear direction relative to the other. It is designed to smoothly escape the above-mentioned relative movement while rolling back and forth along the axis.

A locking piece (not shown) is formed at each front and rear end of both the upper and lower guide plate parts 31B, 32B of each guide rail 31, 32 to prevent each steel ball 34A from falling off in the front and rear sides. ing. In addition, locking pieces (not shown) are also formed at each of the front and rear ends of both the upper and lower edges of the intermediate rail 33 to prevent each steel ball 34A from falling off in the front and rear sides.

As a result, as shown in FIGS. 7 and 8, both guide rails 31 and 32 are always connected to each steel ball 34A of the bearing 34, no matter where the stays 11 and 21 are moved in the longitudinal direction. It is set in a positional relationship in which it overlaps with the intermediate rail 33 via. As a result, both guide rails 31 and 32 are configured to be maintained connected to each other via the bearing 34 and the intermediate rail 33 even if the guide rails 31 and 32 are deviated from each other in the front-back direction.

In addition, each steel ball 34A fits into each groove formed in each of the upper and lower guide plate portions 31B, 32B (see FIG. 6) of each guide rail 31, 32 and both upper and lower edges of the intermediate rail 33. Due to the configuration set in the open state, when a load in the height direction or width direction is applied to either of the stays 11 and 21, the same load is transferred to the other through the bearing 34 and the intermediate rail 33. Becomes transmitted. Therefore, even if a load is applied to one of the stays 11, 21, the stay can be distributed to the other and received by both stays, so that the structure has a high structural strength.

Specifically, as shown in FIG. 9, when an object is placed on the table surface of the left table 10 and a working load is applied, the left stay that supports the table 10 in a cantilevered manner from the right end side. 11 is subjected to a bending load due to eccentricity. At the same time, a compressive load is applied to the table 10 to push it downward. However, when such a load is applied to the left stay 11, the load is also distributed and applied to the right stay 21 via the intermediate connection portion 30 (see the thick broken line arrow). Therefore, each of the above-mentioned loads can be stably received.

In addition, as shown in FIG. 10, when an object is placed on the table surface of the table 20 on the right side and a working load is applied, the stay 21 on the right side that supports the table 20 in a cantilevered manner from the left end side is , a bending load due to eccentricity is applied. At the same time, a compressive load is applied to the table 20 to push it downward. However, when such a load is applied to the stay 21 on the right side, the load is also distributed and applied to the stay 11 on the left side via the intermediate connecting portion 30 (see the thick broken line arrow). Therefore, each of the above-mentioned loads can be stably received.

Although not shown, the seat table device 1 includes a table height adjustment device that can adjust the height of the left table 10 by adjusting the length of the left stay 11. The seat table device 1 also includes a table height adjustment device, which is not shown in the drawings, but can adjust the height of the right table 20 by adjusting the length of the right stay 21.

(summary)
To summarize the above, the seat table device 1 according to the present embodiment has the following configuration. That is, a vehicle seat table device (1) includes a table (10) connected to a vehicle seat (100), the table (10) extending in the height direction from the side of the vehicle seat (100). ), and an adjacent table (20) extending in the height direction from the side of the adjacent seat (200) adjacent to the vehicle seat (100) and provided on the adjacent seat (200). and a connecting portion (30) that connects the stay (11) and the adjacent stay (21) so that the operating load applied to each table surface can be transmitted to the other side. and has.

According to the above configuration, each working load applied to the table surface of the table (10) and the table surface of the adjacent table (20) is transferred between the stay (11) and the adjacent stay (21) by the connecting portion (30). It will be transmitted and supported by both. Thereby, the structural strength of each of the stay (11) and the adjacent stay (21) can be rationally increased.

Further, the stay (11) is connected to the side of the vehicle seat (100) so as to be slidable in the front and back direction, and the adjacent stay (21) is also connected to the side of the adjacent seat (200). They are connected so that they can slide in the front and rear directions. The connecting portion (30) has a relief structure that connects the stay (11) and the adjacent stay (21) in a state that allows each slide to escape.

According to the above configuration, the stay (11) and the adjacent stay (21) can be connected to each other in a state in which sliding in the front and rear directions of each stay is not inhibited.

In addition, the table surface of the table (10) extends from the stay (11) to the inside of the vehicle seat (100), and the table surface of the adjacent table (20) also extends from the adjacent stay (21) to the adjacent seat (200). Extend inward.

According to the above configuration, the table (10) and the adjacent table (20) can be provided in a state where they are extended to positions that are easy for the seated persons on each side to use. Even if a working load is applied to each table surface at such an overhanging position and a large bending load is applied to the stay (11) and/or the adjacent stay (21), the load is transferred to the connecting part (30). It can be received in a distributed manner by the stay (11) connected to the stay (11) and the adjacent stay (21).

《Other embodiments》
Although the embodiment of the present invention has been described above using one embodiment, the present invention can be implemented in various forms shown below in addition to the above embodiment.

1. The vehicle seat table device of the present invention can be widely applied to various vehicles such as trains and other vehicles other than automobiles, aircraft, and ships.

2. The stay and the adjacent stay may be connected in such a manner that they cannot slide in the front and back direction with respect to the corresponding seats on each side. In that case, the connecting portion may simply be configured to connect the stay and the adjacent stay so that the working load applied to each table surface can be transmitted to the other side.

In addition, if the connecting part has a structure that connects the stay and the adjacent stay in a state that allows individual slides to escape, the connecting part may connect the guide rails with each other via bearings, or it may be fixed to one side. The structure may be such that a slider fixed to the other rail is slidably assembled along the rail.

1 Seat table device (vehicle seat table device)
10 Table 11 Stay 12 Table slide device 12A Slide rail 12B Slider 12C Drive unit 20 Table (adjacent table)
21 Stay (Next stay)
22 Table slide device 22A Slide rail 22B Slider 22C Drive unit 30 Intermediate connection part (connection part)
31 Guide rail 31A Side plate part 31B Guide plate part 32 Guide rail 32A Side plate part 32B Guide plate part 33 Intermediate rail 34 Bearing 34A Steel ball 34B Retainer 100 Seat (vehicle seat)
101 Seat back 102 Seat cushion 103 Armrest 104 Seat slide device 200 Seat (adjacent seat)
201 Seat back 202 Seat cushion 203 Armrest 204 Seat slide device

Claims (3)

A vehicle seat table device comprising a table connected to a vehicle seat,
a stay that extends in a height direction from a side portion of the vehicle seat and supports the table;
an adjacent stay that extends in the height direction from a side of an adjacent seat adjacent to the vehicle seat and supports an adjacent table provided on the adjacent seat;
A seat table device for a vehicle, comprising: a connection portion that connects the stay and the adjacent stay so that they are in sandwiched contact so that loads can be transmitted to each other in the height direction and the width direction. The vehicle seat table device according to claim 1,
The stay is coupled so as to be slidable in a longitudinal direction relative to a side portion of the vehicle seat, and the adjacent stay is also coupled so as to be slidable longitudinally relative to a side portion of the adjacent seat. is,
A seat table device for a vehicle, wherein the connecting portion connects the stay and the adjacent stay so as to allow each stay to slide in the front and rear directions. The vehicle seat table device according to claim 1 or 2,
A vehicle seat table device, wherein a table surface of the table extends from the stay to the inside of the vehicle seat, and a table surface of the adjacent table also extends from the adjacent stay to the inside of the adjacent seat.

Images