Vehicle table device

Abstract

To provide a vehicular table device which easily attaches and detaches a table main body or a table main body and opening and closing mechanism part, and, as necessary, is separated from position setting engagement parts, thereby, widens the cabin interior, improves usability and can be used as a table outside a cabin.SOLUTION: A vehicular table device constituted with a table main body part 1, and an opening and closing mechanism part 2 switching the table main body part 1 to a used state getting approximately horizontal and a folded storage state with respect to a fitting mating member 4 within a cabin has a lock part 3 (or 53, 54) in which the opening and closing mechanism part 2 is engaged with an engaged part 15 (or 45) provided on the table main body part 1 or / and the fitting mating member 4 to be in a connection manner, and the engagement is released to be in a separation manner.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to a table device equipped in an automobile or the like, and particularly to a table device for a vehicle that allows the table main body to be easily removed from the mounting object or the opening / closing mechanism and used as a table even outside the vehicle cabin.

Background Art

[0002] The table device for a vehicle is installed on a mounting object such as the back surface of the seat back of a seat (Japanese Patent Application Laid-Open No. 2001-246976), the side surface of the seat cushion (Japanese Patent Application Laid-Open No. 2020-66343), the side surface of the console box (Japanese Patent Application Laid-Open No. 2000-185584), etc. A general structure is composed of a table main body and an opening / closing mechanism that switches the table main body between a use state and a folded storage state with respect to the mounting object, and the table main body cannot be separated from the opening / closing mechanism or the mounting object. Therefore, while the table device contributes to improving the convenience of the occupants, it may also narrow the cabin space or become an obstacle.

[0003] As a countermeasure example as described above, FIG. 14 shows a table device disclosed in Patent Document 1. This table device includes a mounting base 4 to which L-shaped hangers 2 and 3 are attached, a fastener 8 which is a retaining tool, a U-shaped metal fitting 6 which is a clamping metal fitting at the lower part of the backrest, a shelf receiver 11 on which a table 13 is placed, and a hinge 7 that switches the table 13 between a use state and a storage state, and a flexible stay 10 provided between the mounting base 4 and the shelf receiver 11. The mounting base 4 is pulled up so that the U-shaped metal fitting 6 wraps around the lower part of the backrest, the hook 9 of the fastener 8 is connected to the hole of the U-shaped metal fitting 6, and when the fastener is tightened, it is attached to the back surface of the seat back. On the left and right of the mounting base 4, the shelf receiver 11 and the table 13 are supported by the hinge 7 and the flexible stay 10, and the mounting angle of the table 13 can be changed via the flexible stay 10. For example, when the flexible stay 10 is made shortest, the table 13 is in a storage state along the back surface of the seat back as shown by the virtual line in (b), and the magnet 14 is attracted to the mounting base 4 to maintain that state.

Prior Art Documents

[0004] [Patent Document 1] Utility Model Registration No. 3053928 Gazette [Overview of the project] [Problems that the invention aims to solve]

[0005] The structure described in Patent Document 1 states that when not in use for a long period, it can be easily removed by pulling out the headrest shaft without causing any damage to the vehicle. However, this table device cannot be attached to or detached from the seat with a single touch, and in addition to the mounting base, shelf support, and table, it also requires an L-shaped hanger attached to the mounting base, a fastener with a hook, and a U-shaped metal fitting, so even if it is detached from the seat, it is not intended to be used outside the vehicle. In other words, conventional vehicle table devices are designed to be used exclusively inside the vehicle and are not designed to be carried and used outside the vehicle. However, in SUVs (Sport Utility Vehicles) and campervans, the table body is made as a large molded product of resin, but it is only used inside the vehicle and has low versatility.

[0006] Therefore, given the above background, the object of the present invention is to make the table body or the table body and opening / closing mechanism easily detachable and, when necessary, to make the interior of the vehicle more spacious and easier to use, and also to allow it to be used as a table outside the vehicle. Other objects will be clarified in the following description. [Means for solving the problem]

[0007] To achieve the above objectives Claim 1 The present invention is a vehicle table device, as illustrated in Figures 1 to 10, comprising a table body and an opening / closing mechanism that switches the table body between a usage state where it is substantially horizontal to the mounting surface inside the vehicle and a folded storage state, wherein the opening / closing mechanism teeth, The table body and / or the mounting mat has a locking portion that engages with the engaging portion to form a connected state and disengages to form a separated state. Furthermore, it has a bracket that is fixed to the mounting surface, and a support plate on which the table body can be placed is rotatably attached to the bracket. Its defining characteristic is this. On the other hand, the invention of claim 2 is a configuration in which the "furthermore, fixedly attached to the mounting surface" of the invention of claim 1 is changed to "furthermore, having a bracket that is movably arranged on the mounting surface, and a support plate on which the table body can be placed is rotatably attached to the bracket."

[0008] The relationship between the above-described invention and the various embodiments described later is as follows. Firstly, the configuration in which the locking part (3) is provided on the opening / closing mechanism (2) and the engaged part (15) is provided on the table body (1) is specified based on the first embodiment shown in Figures 1 to 8. Secondly, the configuration in which the locking part (53) is provided on the opening / closing mechanism (2) and the engaged part (45) is provided on the mounting mat (4A) is specified based on the second embodiment shown in Figures 11 to 13. Thirdly, the configuration in which the engaged parts (15 and 45) are provided on the table body (1) and the mounting mat (4A), and the locking parts (3 and 53) are each provided on the opening / closing mechanism (2) is specified, for example, in which the second embodiment has the engaged part of the table body and the locking part of the opening / closing mechanism of the first embodiment.

[0009] The present invention described above is more preferably embodied as follows. (a) The locking portion is an engaging plate slidably mounted on the support plate, and is configured to be switchable from a protruding state in which it engages with the engaged portion to a retracted state in which it is released by operation against the biasing force of the lever (Claim) 3) .

[0010] (stomach) The locking portion is an engagement hole provided in the bracket, and the locking portion is engaged with and disengaged from the engagement portion by moving the bracket while the engagement portion protruding from the mounting mating surface is inserted into the engagement hole (Claim) 4) .

[0011] (cormorant) The opening and closing mechanism has a cam and a shaft rotatably supported by the cam, and the table body is configured to be switched between a stored state and a usage state via the shaft, which slides along a guide groove provided in the support plate (Claim5) . (workman) , the table main body has a leg member that can be switched between a fallen state lying on the back side and a standing state protruding on the back side, and an operation knob that can hold the leg member in the fallen state or release the holding of the fallen state against the biasing force to switch to the standing state (Claim 6) . (O) , the leg member is switchable between a shortened mode arranged along the outer periphery and an extended mode in which the protruding dimension is extended, and has an auxiliary leg that is partially sandwiched between the table main body and the leg member when in the shortened mode and in the fallen state (Claim 7) .

Advantages of the Invention

[0012] In the invention of Claim 1 and 2 , the opening / closing mechanism engages the locking portion with the table main body or the engaged portion of the mating member to connect the table main body or the mating member, or disengages the locking portion to separate the table main body or the mating member. And in the present invention, by separating the table main body from the opening / closing mechanism or the mating member, the interior space of the vehicle can be widened, and the separated table main body can be carried outside the vehicle and used as a table for camping or the like, so it is highly versatile.

[0013] In addition, In the invention of Claim 1 , the opening / closing mechanism has a bracket fixed to the mating member, and a support plate on which the table main body can be placed is rotatably attached to the bracket, so the table main body can be attached to and detached from the support plate as in the first embodiment. Since the removed table main body is separated from the opening / closing mechanism, the usability as a table is improved.

[0014] on the other hand, In the invention of Claim 2 , in the invention The opening and closing mechanism has a bracket that is positioned to be slightly movable on the mounting surface. As in the second embodiment, when the locking part is released from the engaged part of the mounting surface and the table body is removed from the mounting surface together with the opening and closing mechanism, the opening and closing mechanism does not remain on the mounting surface, resulting in a better appearance and increased interior space.

[0015] In the invention of Claim 3 , in the invention Since the engaging plate, which is the locking part, can be switched from a protruding state in which it engages with the engaged part to a retracted state in which it is released by operating against the biasing force of the lever, for example, engagement can be easily performed by simply pressing the engaging plate on the support plate side against the engaged part of the table body against the biasing force. Furthermore, when the engaging plate and the engaged part are engaged, the engaging plate is always biased in the protruding direction by the biasing force, so rattling can be suppressed even when running vibrations are applied.

[0016] Claim 4 In the invention, the bracket which is a locking part can be easily engaged or disengaged by moving the bracket with the engaged part protruding from the mating part inserted into the engaging hole of the bracket. In this operation, since the bracket is integrated with the opening / closing mechanism part or integrated with the opening / closing mechanism part and the table main body part, the handling property is good.

[0017] Claim 5 In the invention, as in each embodiment, the cam part is fixed to the mating part or the bracket, the shaft is rotatably supported by the cam part at the proximal end side, and the distal end side is moved along the guide groove provided in the support plate part, so it is easy to maintain good switching characteristics.

[0018] Claim 6 In the invention, the table main body has a leg member that can be switched between a fallen state and a standing state, and an operation knob that can hold the leg member in the fallen state or release the holding against the biasing force to switch to the standing state. Therefore, the table main body can be carried outside the vehicle compartment in a separated mode removed from the opening / closing mechanism part and can be used well as a table with leg members. Further, since the leg member is biased so as not to inadvertently stand up through the operation knob in the fallen state, generation of rattling can be suppressed even when running vibration is applied.

[0019] Claim 7 In the invention, since the leg member has an auxiliary leg that can be switched between a shortened mode arranged along the outer periphery and an extended mode that extends the protruding dimension, the usability can be improved by increasing the height of the table by setting the auxiliary leg in the extended mode. Further, in the fallen state of the leg member, since at least a part of the auxiliary leg is sandwiched between the leg member and the table main body part in the shortened mode, the possibility of generating rattling can be eliminated even when vibration is applied.

[0020] Claim 8 The invention is intended to be used not only on a seat but also on a console box or the vehicle interior wall as a mounting partner for the table device, and is also intended to be used outside the vehicle compartment after being removed from the mounting partner. Considering points such as being able to make the table as large as possible easily, it is meaningful to limit it to the seat. [Brief explanation of the drawing]

[0021] [Figure 1] (a) and (b) are front and side views, respectively, of the table body of the first embodiment of the table device, as seen from the rear of the seat back. [Figure 2] (a) and (b) are front and side views of the table unit as seen from the rear of the seat back when the table unit is stored. [Figure 3] Figure 1 is a perspective view showing the table device in use, viewed from below. [Figure 4] This is a perspective view showing the above table device separated into a table body and an opening / closing mechanism. [Figure 5] (a) and (b) are perspective views showing only the opening and closing mechanism in the table body in its usage and storage states. [Figure 6] (a) and (b) are operation diagrams showing the opening and closing mechanism with the cover removed, illustrating the protruding state of the locking part and the retracted state when switched to the retracted direction. [Figure 7] This is a schematic perspective view showing the main parts of the opening and closing mechanism described above in an exploded view. [Figure 8] (a) is a rear view of the table body showing the leg members in an inverted state, (b) is an enlarged view of part A in (a), and (c) is a plan view showing the operation knob alone. [Figure 9] (a) is a perspective view of the leg members as seen from below in an upright position, and (b) is a rear view of the table body. [Figure 10] (a) is a perspective view from below showing a configuration in which the auxiliary legs are further extended from Figure 9, and (b) is a rear view of the table body showing the leg members and auxiliary legs in an upright position. [Figure 11] (a) is a perspective view showing the seat in the second form with the table device detached, and (b) is a schematic diagram showing the seat with a portion of the upholstery broken. [Figure 12](a) is a schematic diagram showing the state immediately before the seat's engaged portion is inserted into the locking portion of the table device in Figure 11, and (b) is a schematic diagram showing the state after moving the table device downwards while pushing it toward the urethane side of the seat from the state in (a). [Figure 13] (a) is a schematic diagram showing the state in which the pressing force is released from the state in Figure 12(b) and the engaged part engages with the engagement hole due to the reaction force from the urethane side of the seat, and (b) is a schematic diagram showing the state in which the table body is switched to the stored state from the state in (a). [Figure 14] (a) and (b) are Figures 1 and 5 disclosed in Patent Document 1. [Best Mode for Carrying Out the Invention]

[0022] The vehicle table device of the present invention will be described below with reference to the first and second embodiments. This description will clarify the structure and main operation of the table device of the first embodiment and the structure and main operation of the table device of the second embodiment.

[0023] (Structure of the first embodiment) As shown in Figures 1 to 10, this vehicle table device consists of a table body 1 and an opening / closing mechanism 2 that switches the table body 1 between a usage state where it is approximately horizontal relative to the seat back 4 of the seat to which it is attached, and a folded storage state. The table body 1 is provided on the back of the seat back 4, but it may also be provided on the side of the seat cushion of the seat, as disclosed in Japanese Patent Application Publication No. 2020-66343.

[0024] The main features are as follows: The table body 1 has a configuration having a pair of locking protrusions 15 which are engaging parts provided at a distance from each other in the middle of the left and right sides of the back surface 11; left and right leg members 8 which can be switched between a tilted state where it is lying on the back surface 11 side and an upright state where it is protruding on the back surface 11 side; and auxiliary legs 9 which are arranged along the outer circumference of each leg member 8 and can be switched between a shortened state and an extended state where the protruding dimension is extended; and an operating knob 19 which can hold the leg members 8 in the tilted state or release the tilted state against a biasing force and switch to the upright state.

[0025] On the other hand, the opening and closing mechanism 2 has a configuration that includes a bracket 5 fixed to the seat back 4 of the seat, and a support plate 20 rotatably assembled to the bracket 5 and on which the table body 1 is detachably mounted, an engaging plate 3 which is a locking part that engages with a locking projection 15 to connect with the table body 1 and disengages to separate from the table body 1, a lever 35 which switches the engaging plate 3 from a protruding state in which it engages with the locking projection 15 by the biasing force of a spring S1 to a retracted state in which it disengages against the biasing force, and a pair of cams 6 fixed to the bracket 5 and a shaft 7 rotatably supported while maintaining a press-fit state between both cams 6, and the table body 1 is configured to be switched between a stored state and a used state via the shaft 7 which slides along a guide groove 27 provided on the support plate 20.

[0026] Next, the detailed configuration of the table body 1 will be shown in Figures 4 and 8 to 10. As shown in Figure 2, the table body 1 is made of a rectangular resin molded body, and its back surface 11 is a shallow container shape partitioned by a surrounding wall 12. Inside the surrounding wall 12, there is a pair of locking protrusions 15, 15 which are engaging parts that protrude from the center and maintain a predetermined distance apart, four position-regulating walls 16 for the leg members that protrude from the left, right, front, and rear, protruding walls 14, 17 for bearings that are provided inside each regulating wall 16, maintaining a distance equivalent to the width of the U-shaped side plates of the leg member 8, contact parts 13 that receive each side 8b of the leg member 8 when it is upright, positioning pieces 16a, 16a and 16b, 16b that regulate the support plate 20 from the left and right, and protruding pieces 16c that protrude near each positioning piece 16b.

[0027] Here, each locking projection 15 faces the other with a slight offset from one another and has a recess 15a formed on the opposing surface. Each regulating wall 16 restricts the front-rear position of the leg member 8 by positioning each side portion 8b of the leg member inward. Each leg member 8 is U-shaped, with corresponding side portions 8b positioned between the regulating wall 16 and the protruding wall 14, and between the regulating wall 16 and the protruding wall 17, and is pivotally supported by a shaft member 18 so as to be rotatable. It also has an operating knob 19 that can hold the leg member 8 in a tilted position or release the tilted position against the biasing force of the spring 3 to switch to an upright position.

[0028] As shown in Figures 8(b) and 8(c), the operating knob 19 integrally comprises a gripping portion 19a, an intermediate portion 19b, a stopper contact portion 19c protruding from one side of the intermediate portion 19b, and a spring locking portion 19d at the rear of the intermediate portion 19b. The operating knob 19 has a gripping portion 19a positioned to be operated by a finger in a notch 12a provided in the surrounding wall 12, and the intermediate portion 19b extends away from the notch 12a through the space below the shaft member 18. The operating knob 19 is biased away from the surrounding wall 12 by a coil-shaped spring S3 whose ends are hooked between the locking portion 19d and a locking portion 17a provided at the rear of the protruding portion 17. In this biased state, the contact portion 19c fits into the gap between the lower end of one of the side portions 8b of the leg member 8, i.e., the back surface 11 and the corresponding side portion 8b.

[0029] Therefore, in the overturned state shown in Figure 8, the leg member 8 is designed to prevent rattling even when vibrations are applied due to the presence of the contact portion 19c. Furthermore, to switch the leg member 8 to the upright state shown in Figure 9, the grip portion 19a is pulled with the fingers against the biasing force of the spring S3 to separate the contact portion 19c from the corresponding side portion 8b of the leg member, and then it is rotated to switch to the upright state. When the leg member 8 is switched to the upright state, each side portion 8b contacts the contact portion 13 and is held at an angle greater than 90 degrees. As a result, the table body 1 is stable as a table with legs and is easy to use.

[0030] In this structure, the table body 1 may be used supported by the leg members 8 as shown in Figure 9, but if the height is to be increased further, the auxiliary legs 9 are inverted from the leg members 8 using the shaft member 18a as a fulcrum, as shown in Figure 10. That is, the auxiliary legs 9 have a roughly U-shape, and both ends of the intermediate part 9a are pivotally supported by the shaft member 18a to both ends of the intermediate part 8a of the leg member 8, connecting them so that they can rotate by approximately 180 degrees. The auxiliary legs 9 are formed in a flat plate shape where the intermediate part 9a is superimposed on the intermediate part 8a of the leg member, and both side parts 9b are formed in an L-shape in cross-section where they are superimposed on the corresponding side parts 8b of the leg member. When the table is upright, the auxiliary legs 9 extend the protruding dimension of the leg member 8, with the intermediate part 9a positioned on the end face of the intermediate part 8a of the leg member, and each side part 9b positioned on the extension line of the side part 8a. The auxiliary legs 9 are also superimposed on the leg member 8 when the table is in an inverted state. In other words, the intermediate section 9a is superimposed on the inner surface of the intermediate section 8a, and each side section 9b is superimposed on the corresponding side section 8b on its inner side. In this case, since each side section 9b has an L-shaped cross-section, when the leg member 8 is tipped over, one side of the L-shape is sandwiched between the underside 11 of the table body and the corresponding side section 8b of the leg member. Therefore, the auxiliary leg 9 is less likely to rattle even when vibrations are applied.

[0031] Next, the detailed configuration of the opening / closing mechanism 2 will be shown in Figures 1 to 7. The opening / closing mechanism 2 includes a bracket 5 fixed to the back of the seat back 4b, a support plate 20 rotatably supported by the bracket 5 on which the table body 1 is detachably mounted, a pair of engaging plates 3 which are locking parts that are slidably provided on the support plate 20 in the left-right direction and engage with and disengage from locking projections 15, 15, a spring S1 that biases each engaging plate 3 in the protruding direction, an upper lever 35 that switches each engaging plate 3 from the protruding state in the engaging direction to the retracted direction by operation against the biasing force of the spring S1, a pair of cams 6 fixed to the bracket 5 and a shaft 7 that slides along a guide groove 27 provided on the support plate 20 while being rotatably supported by each cam 6, a lower lever 36 which is rotatably pivoted on the support plate 20 by a shaft portion 38 to restrict or allow the sliding of the shaft 7 within the guide groove 27, and a spring S2 that biases the lever 36 counterclockwise. The lower part of Figure 3 also shows the state before the lever 36, shaft 38, and spring S2 are assembled to the support plate 20.

[0032] Bracket 5 is a metal plate and consists of horizontal plate sections 50 extending to the left and right, and a pair of vertical plate sections 51, 51 that are integrated with the horizontal plate sections 50 and extend downward while maintaining a gap. Holders 28 are fixed to the horizontal plate sections 50 on the left and right sides, and the table body section 1 or support plate 20 rotates around the shaft member 55 as a pivot point relative to each holder 28 to switch between the usage state shown in Figure 1 and the storage state shown in Figure 2. Each holder 28 is fixed to bracket 5 with bolts, but it is also possible to fix them with a joint structure or to form them integrally with bracket 5.

[0033] As shown in Figure 7, the support plate 20 is roughly T-shaped and consists of horizontal plate portions 21 extending to the left and right, and vertical plate portions 22 extending in a direction intersecting the horizontal plate portions from the left and right middle sections, with its upper surface covered by a cover 29. The horizontal plate portions 21 extending to the left and right of the support plate have holes 21a that penetrate vertically on both sides, and holders 28 are placed in each hole 21a. Each holder 28 has a coaxial shaft hole 28a provided on the opposing side walls, and is incorporated so as to be rotatable relative to each other by a shaft member 55 that is inserted in a skewer-like manner into each shaft hole 28a from the hole on the end face of the horizontal plate portion 21 while it is placed in the hole 21a. The U-shaped middle section of each holder 28 is fixed to the bracket 5 with bolts or the like. In this state, the support plate 20 becomes rotatable with the shaft member 55 as a pivot point, and can be switched between the usage state in Figure 5(a) and the storage state in Figure 5(b).

[0034] The upper surface of the vertical plate portion 22 has two side placement portions 23 located slightly in front of the tip, groove portions 24 for positioning coil-shaped springs S1 located on the left and right sides of the placement portion 23, and a shaft portion 25 protruding from the center of the placement portion 23. An engaging plate 3 is placed in each placement portion 23 together with the spring S1. This engaging plate 3 has a substantially inverted L-shaped engaging portion 30 that engages with and disengages from the recess 15a of the locking projection, an extension portion 31 provided on the rear side of the engaging portion 30, a shaft portion 32 provided on the upper surface of the extension portion 31, and a shaft portion 33 protruding rearward from the rear end surface of the extension portion 31. Each engaging plate 3 is assembled to the left and right placement portions 23 with the spring S1 positioned around the shaft portion 33, so that the spring S1 fits into the corresponding groove portion 24. As a result, the left and right engaging plates 3 are protruding to their maximum extent by the biasing force of the spring S1, as shown in Figure 6(a). From that state, the lever 35 is incorporated into the support plate 20.

[0035] The lever 35 has a shape in which the front side of the straight plate portion is bent downward, forming a gripping portion 35a at the bent part and three axial holes 35c, 35b, 35c arranged at equal intervals in the straight plate portion. When the lever 35 is assembled to the support plate 20 with the axial hole 35b fitted onto the shaft portion 25 and the axial holes 35c, 35 fitted onto the shaft portions 32 of the left and right engaging plates, the gripping portion 35a at the tip is positioned along the tip surface of the vertical plate portion 22. Finally, the cover 29 is attached to the support plate 20 by engaging multiple screws B from the holes 29a on the cover side into the holes 20a on the support plate side. Normally, as shown in Figure 6(a), the left and right engaging plates 3 are protruding due to the biasing force of the spring S1 and are in the engaged position, so the lever 35 is tilted in a counterclockwise direction with the shaft portion 25 as the pivot point. Figure 6(b) shows that when the gripping part 35a is moved in the direction of the arrow against the biasing force from that state, each engaging plate 3 retracts in the direction of retraction, moving closer to each other, and is switched to the disengaged position.

[0036] Furthermore, the lower surface of the vertical plate portion 22 has two groove-forming projections 26 extending linearly from the front to the rear, as shown in Figure 4, and guide grooves 27 provided on each projection 26. The projections 26 are provided at a predetermined distance from each other. A pair of bearing portions 28 are provided protruding from the outer surface on the front side of each projection 26. The lower lever 36 has an operating portion 36a, a thick plate portion 36b that protrudes rearward from the operating portion 36a and forms an axial hole 36d that penetrates from left to right, and a locking plate portion 36c that protrudes rearward from the end face of the thick plate portion 36b. The thick portion 36b is not shown, but its middle section is cut out in a concave shape.

[0037] The lever 36 is pivotally supported with its thick plate portion 36b positioned between the bearing portions 28. The shaft member 29 is inserted through the shaft hole (not shown) of one bearing portion 28 and the shaft hole 36d of the plate thick portion 36b, and then through the shaft hole (not shown) of the other bearing portion 28. A retaining ring E is attached to the protruding shaft portion to prevent it from coming loose. A coil-shaped spring S2 is positioned on the shaft portion of the shaft member 29 that passes through the concave section. One end of the spring S2 is locked to the thick plate portion 36b, and the other end is locked to the corresponding upper surface portion of the lever 36 while exerting a biasing force. The lever 36 is biased counterclockwise by the biasing force of the spring S2, as shown in Figure 4, and the locking plate portion 36c is inserted into the gap between the protrusions 26. In this state, the shaft 7, which will be described later, has its intermediate portion 7a restrained by the locking plate portion 36 to the rear end side of the guide groove 27, as shown in Figures 3 and 4.

[0038] Each cam 6 is made of a resin molded body and is positioned opposite the vertical plate portions 51, 51 of the bracket. It integrally forms a fixing base portion 6a, a vertical wall portion 6b erected on the base portion 6a, and a shaft hole 6c provided in the inner wall portion 6b, as well as a cam portion for pressure contact centered on the shaft hole 6c. The cam portion is not shown in the figure, but it is the point where the corresponding portion of the shaft 7 makes pressure contact. The base portion 6a is flat and is fixed to the bracket 5 with multiple screws or the like. The vertical wall portion 6b is made thick and has a predetermined rigidity provided by reinforcing ribs on the back side. The shaft hole 6c is thickly provided from the inner surface of the vertical wall portion 6b, into which the end 7c of the shaft 7 is inserted. The cam portion is located on the lower inner surface of the vertical wall portion 6b and is formed on an inclined surface.

[0039] The shaft 7 is made of a round metal wire material and is bent into a roughly U-shape to form an intermediate piece 7a and two side pieces 7b. The total length of the shaft 7 is such that, in the configuration shown in Figure 1 where the table body 1 is in use, the U-shaped intermediate piece 7a is moved to the rear end of the guide groove 27. The two side pieces 7b are arranged so that the distance between them gradually widens as they approach the terminals 7c. Both terminals 7c are pivot parts bent outwards. This shape of the two side pieces 7b is such that elastic force is exerted when the distance between them narrows. For details on the configuration and operation of the cam 6 and shaft 7, please refer to the cam section 45 and shaft 3 described in Japanese Patent Publication No. 4451549.

[0040] (Main Operation) The above-mentioned vehicle table device has the following advantages compared to conventional structures. (1) In this table device, the bracket 5 constituting the opening / closing mechanism 2 is fixed to the back of the seat back 4b or the side of the seat cushion, and the table body 1 is connected and supported to the opening / closing mechanism 2 by engaging the engaging plate 3 with the locking projection 15 which is the engaged part. The table body 1 can be separated from the opening / closing mechanism 2 by disengaging it. Therefore, with this structure, the interior space of the vehicle can be used more widely and comfortably by separating the table body 1 from the opening / closing mechanism 2, and the separated table body 1 can be carried outside the vehicle and used as a table for camping, etc., making it highly versatile.

[0041] (2) In connecting the table body 1 to the opening / closing mechanism 2, as can be inferred from Figure 4, the table body 1 is held and pushed down so that each locking projection 15 contacts the corresponding engaging plate 3 of the opening / closing mechanism 2. Then, each engaging plate 3 moves from a protruding state to a retracted state against the biasing force of the spring S1 and enters the corresponding recess 15a, and at the same time moves in the protruding direction due to the biasing force of the spring S1 and engages with the corresponding recess 15a. On the other hand, in separating the table body 1, the gripping part 35a is pushed with the fingers in the direction of the arrow in Figure 6(b) and the lever 35 is rotated, and each engaging plate 3 is switched from a protruding state to a retracted state and disengaged from the corresponding recess 15a. All that remains is to lift the table body 1. Therefore, with this structure, both the operation of engaging and connecting the table body 1 to the opening / closing mechanism 2 and the operation of disengaging and separating it can be done with a single touch. For this reason, this table device is excellent in terms of operability and ease of use.

[0042] (3) The opening / closing mechanism 2 has a bracket 5 fixed to the seat side, and a support plate 20 on which the table body 1 can be placed is rotatably attached to the bracket 5, making it easy to adopt an engagement structure for attaching and detaching the table body 1 to the support plate 20. Furthermore, the table body 1 that has been removed from the support plate 2 can be configured with leg members as shown in the example, improving usability outside the vehicle, and moreover, as shown in Figure 5, it is easy to switch the support plate 2 of the opening / closing mechanism 2 between the open state and the folded state. (4) The engaging plate 3, which is the locking part, is switched from a protruding state in which it engages with the locking projection 15, which is the engaged part, to a retracted state in which the lever 35 is pushed against the biasing force of the spring S1 to release the engagement. For this reason, in this opening and closing mechanism 2, for example, the engaging plate 3 on the support plate side can be easily engaged with the locking projection 15 of the table body 1 simply by pressing it against the biasing force. Furthermore, in the engaged state of the engaging plate 3 and the locking projection 15, the engaging plate 3 is always biased in the protruding direction by the biasing force, so the risk of rattling even when running vibrations are applied, and the risk of unintentional release, can be reliably eliminated.

[0043] (5) In this structure, when you want to use the table body 1, you rotate the table body 1 via the shaft member 55 to lift it from the stored state shown in Figure 2. Then, the table body 1 is rotated upward as the shaft 7 moves the intermediate piece 7a at the tip along the guide groove 27, and finally the locking plate 36c of the lever 36 is pushed out of the guide groove 27 against the biasing force of the spring S2 and moves to the rear end of the guide groove 27. At the same time as this movement, the lever 36 is rotated by the biasing force of the spring S2, and the locking plate 36c enters the guide groove 27, restricting the movement of the intermediate piece 7a and keeping the table body 1 in the usable state. Therefore, in this structure, even if a large external force is applied to the table body 1, the stability of the usable state is maintained. On the other hand, when you want to switch the table body 1 back to the stored state, you push the operating part 36a of the lower lever 36 upward while pushing the table body 1 downward. When the lever 36 is pressed, it rotates in a seesaw-like manner around the shaft member 29 as a pivot point, causing the rear locking plate portion 36c to be displaced slightly downward and releasing the holding state (i.e., relative movement between the table body portion 1 and the shaft 7 is permitted). As a result, the table body portion 1 can rotate to the stored state along the rotational trajectory of the shaft 7, accompanied by the guiding action of the shaft 7 against the guide groove 27. In the stored state, the end sides of both pieces 7b of the table body portion 1 are pressed against the corresponding cam portions of the cam 6, so that it does not rattle or rotate unintentionally upward even when vibration is applied.

[0044] (6) On the other hand, the table body 1, separated from the opening / closing mechanism 2, has leg members 8 that can be switched between a tilted state and an upright state, and an operating knob 19 for holding the leg members 8 in the tilted state or releasing the hold in the tilted state. When the operating knob 19 is pulled outward against the biasing force of the spring S3, the contact portion 19c disengages from between the back surface 11 and the side portion 8b of the leg member, thereby allowing the leg member 8 to rotate. For this reason, in this structure, for example, the table body 1 can be carried outside the vehicle in a separated state, detached from the opening / closing mechanism 2, and with the operating knob 19 pulled against the biasing force of the spring 3, each leg member 19 can be rotated outward around the shaft member 18 as a pivot point, and it can be used as a table with the leg members 8 attached. In addition, since the leg members 8 are restricted by the contact portion 19c to prevent them from unintentionally standing upright via the operating knob 19 in the tilted state, rattling can be suppressed even when driving vibrations are applied. Furthermore, this structure includes auxiliary legs 9 that can be switched between a shortened configuration in which the leg members 8 are arranged along the outer circumference and an extended configuration in which the protruding dimension is extended. By simply rotating the auxiliary legs 9 around the shaft member 18a as a pivot point, the table height can be increased by switching to the extended configuration, thus improving usability.

[0045] (Structure of the second form) This vehicle table device differs from the first form in that the opening and closing mechanism 2 is detachable from the seat back 4 and seat cushion of the seat to which it is attached, as shown in Figures 11 to 13. In this description, the same reference numerals are used for the same components and parts as in the first form, and new reference numerals are added for different components and parts to minimize redundant descriptions.

[0046] In Figures 11 to 13, the vehicle table device is composed of a table body 1 and an opening / closing mechanism 2, similar to the first embodiment. The relationship between the table body 1 and the opening / closing mechanism 2 may be the same as in the first embodiment, that is, the table body 1 can be attached to and detached from the opening / closing mechanism 2 by the engagement and disengagement of a locking projection 15, which is the engaged part, and an engaging plate 3, which is the engaging part, or the table body 1 cannot be attached to or detached from the opening / closing mechanism 2 (for example, the configuration disclosed in Japanese Patent Publication No. 4451549).

[0047] The novel configuration features a pair of hooks 45, which serve as the engaged portion, protruding from the back surface 4b of the seat back of the seat to which it is attached, and a pair of engaging holes 53 and 54, which serve as locking portions that engage with and disengage from each hook 45, provided on the bracket 5 of the opening / closing mechanism 2.

[0048] Here, the hook 45 is roughly L-shaped, with the horizontal piece 45a fixed to the corresponding part of the frame 40 which is the structural member of the seat back 4 or to a plate 41 joined to the frame 40, and the vertical piece 45 b is positioned upward along the back surface 4b. Vertical piece 45 The tip of b has a claw portion 45c that protrudes slightly in the same direction as the horizontal piece portion 45a. The engagement hole 53 is a rectangular hole of a size into which the hook 45 can be inserted, as shown in Figure 12(a). The engagement hole 54 is smaller in vertical dimension than the engagement hole 53 and is shaped to engage with the claw portion 45c when inserted.

[0049] Furthermore, the seat back 4 has a frame 40 formed in a roughly frame shape as shown in the schematic diagram of Figure 11(b), a urethane foam 42 held by the frame 40, and a surface material 43 covering the urethane foam 42. 40 The upper part of the structure is fitted with a retaining section for inserting a headrest stay (not shown) and a plate 41. The end of the horizontal piece 45a is joined to the plate 4, but the end of the claw portion 45c is not joined. As a result, although the claw portion 45c is in contact with the urethane foam 42, when the area around the claw portion of the urethane foam 42 is pressed, a gap is formed between it and the tip of the claw portion 45c.

[0050] (Main Operation) Next, the operation of attaching and detaching the opening / closing mechanism 2 to the seat back 4b will be described. Note that in this operation, the opening / closing mechanism 2 may be connected to the table body 1, or it may be separated from the table body 1. Specifically, Figure 12(a) shows the bracket 5 on the opening / closing mechanism side approaching the seat back 4b by inserting the hooks 45 corresponding to the left and right engagement holes 53 of the bracket 5. Figure 12(b) shows the state in which, with the hooks 45 corresponding to the left and right engagement holes 53 inserted, the bracket 5 on the opening / closing mechanism side is moved downward while being pressed, so that the horizontal piece 45a of each hook contacts the upper end surface of the engagement hole 53 and the claw portion 45c enters the upper engagement hole 54. Figure 13(a) shows the state in which the pressing force of the bracket 5 is released and the claw portion 45c engages with the engagement hole 54 and is fixed in place by the reaction force of the urethane foam 42. With this simple operation, the bracket 5 on the opening / closing mechanism side is fixed to the back of the seat back 4b by the engagement of the engagement holes 53, 54 and the hooks 45.

[0051] Furthermore, to release the engagement and separate the bracket 5 on the opening / closing mechanism side from the seat back 4, pushing the bracket 5 toward the seat back 4 from the state shown in Figure 13(a) causes the claw portion 45c to disengage from the engagement hole 54, thus releasing the engagement. From that state, moving the bracket 5 on the opening / closing mechanism side upward causes the horizontal piece portion 45a to contact the lower end surface of the engagement hole 53, as shown in Figure 12(a), and the claw portion 45c to enter the engagement hole 53. From this state, moving the bracket 5 on the opening / closing mechanism side away from the back surface 4b of the seat back separates it, making it portable on its own.

[0052] Therefore, in the second form, when the engagement holes 53 and 54 of the bracket 5 are released from the hooks 45 on the seat back side and the bracket 5 (opening / closing mechanism 2) is removed from the seat back 4, the bracket 5 (opening / closing mechanism 2) does not remain on the seat back 4 side, resulting in a better appearance and a larger interior space. Furthermore, in this structure, the bracket 5 can be easily engaged or disengaged by moving the bracket while the hooks 45 are inserted into the engagement holes 53 and 54 of the bracket 5. This operation is easy to handle because the bracket 5 is integrated with the opening / closing mechanism 2, or integrated with the opening / closing mechanism 2 and the table body 1.

[0053] While the present invention can be embodied in the embodiments described above, details may be modified or additional elements may be added as appropriate, such as holders for holding containers, in addition to the technical elements described in claim 1. [Explanation of symbols]

[0054] 1·······Table body (10 is the front surface, 11 is the back surface, 12 is the surrounding wall) 2...Opening / Closing Mechanism 3. Engaging plate (locking part) 4. Seat back 5.....Bracket (50 is for the horizontal plate, 51 is for the vertical plate) 6·······Cam 7.....shaft 8·······Leg members (18 are shaft members) 9. Auxiliary legs (18a is the shaft member) 15... Locking protrusion (engaged part) 18...Shaft member 19...Operation knob 20... Support plate 30······Engagement Department 35. Lever for disengaging the locking mechanism. 36. Shaft locking lever 45...Hook (engaged part) 53. Engagement hole (locking part) 54······Engagement hole (locking part) S1~S3... Springs

Claims

1. A vehicle table device comprising a table body and an opening / closing mechanism that switches the table body between a usable state and a folded storage state relative to the mounting surface inside the vehicle, The opening and closing mechanism has a locking portion that engages with the engaging portion provided on the table body and / or the mounting mat to enter a connected state, and disengages to enter a separated state. A vehicle table is further characterized by having a bracket that is fixed to the mounting surface, and a support plate on which the table body can be placed being rotatably attached to the bracket.

2. A vehicle table device comprising a table body and an opening / closing mechanism that switches the table body between a usable state and a folded storage state relative to the mounting surface inside the vehicle, The opening and closing mechanism has a locking portion that engages with the engaging portion provided on the table body and / or the mounting mat to enter a connected state, and disengages to enter a separated state. A vehicle table is further characterized by having a bracket that is movably positioned on the mounting surface, and a support plate on which the table body can be placed being rotatably attached to the bracket.

3. The vehicle table device according to claim 1, characterized in that the locking portion is an engaging plate slidably mounted on the support plate, and can be switched from a protruding state in which it engages with the engaged portion to a retracted state in which it is released by operation against the biasing force of the lever.

4. The vehicle table device according to claim 2, characterized in that the locking portion is an engagement hole provided in the bracket, and the locking portion is engaged with and disengaged from the engagement portion by moving the bracket while the engagement portion protruding from the mounting mat is inserted into the engagement hole.

5. The vehicle table device according to claim 1 or 2, characterized in that the opening and closing mechanism has a cam and a shaft rotatably supported by the cam, and the table body slides along a guide groove provided in the support plate via the shaft to switch between a stored state and a usage state.

6. The vehicle table device according to claim 1 or 2, characterized in that the table body has leg members that can be switched between a tilted state where it is bent over to the underside and an upright state where it protrudes to the underside, and an operating knob that can hold the leg members in the tilted state or release the hold in the tilted state against a biasing force to switch to the upright state.

7. The vehicle table device according to claim 6, characterized in that the leg member is switchable between a shortened configuration arranged along the outer circumference and an extended configuration that extends the protruding dimension, and has an auxiliary leg that at least a portion of which is sandwiched between the table body and the leg member when the table is in the inverted state in the shortened configuration.

8. The vehicle table device according to claim 1 or 2, characterized in that the mounting surface is a seat.

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