JP6495029B2 - Movable headrest - Google Patents

Description

  The present invention relates to a headrest, and more particularly, to a movable type that can adjust the arrangement position.

  A conventional headrest will be described with reference to the headrest 20 shown in FIGS. As shown in FIG. 8, the cab-over type truck (vehicle) 1 includes a passenger compartment 2 and a cargo bed (loading room) 3. The passenger compartment 2 and the loading platform (loading compartment) 3 are partitioned by a cabin back panel 4. The cabin back panel 4 is provided with an opening 6 serving as a rear window above the seat back 5, and a back glass 7 is attached to the opening 6. Further, a headrest 20 for receiving a passenger's head is fixed to the cabin back panel 4.

  As shown in FIG. 9, the headrest 20 protrudes upward from the upper end of the pad member 21, and a headrest body 23 including a pad member 21 that receives the head of the vehicle occupant and a fixing member 22 that fixes the pad member 21. An upper stay 24 and a lower stay 25 projecting downward from the lower end of the pad member 21. While the upper stay 24 is fixed to the cabin back panel 4 with the fastening member 30, the headrest 20 is fixed to the cabin back panel 4.

  Thus, a headrest mounting structure that can increase the size of the pad member at low cost in a limited space is provided (see Patent Document 1 above).

JP 2014-012423 A

  The aforementioned conventional headrest 20 has the following points to be improved. The headrest 20 is fixed to the cabin back panel 4. For this reason, when the seat 5 (see FIG. 8) is moved back and forth, there may be a gap between the pad member 21 of the headrest 20 and the head of the occupant in the normal seating posture of the occupant. When there is a gap between the pad member 21 and the head of the occupant, the whipping symptom that occurs in the occupant due to the collision does not occur between the pad member 21 and the head of the occupant. There is a point that should be improved.

  Then, an object of this invention is to provide the movable headrest which can adjust the position of the pad member arrange | positioned in the position of a passenger | crew's head.

  Means for solving the problems in the present invention and the effects of the invention will be described below.

Movable headrest according to the present invention, in the passenger compartment and the headrest attached to the cabin back panel or the roof of a vehicle with a movable seat the passenger compartment along the longitudinal direction is formed by the roof and the cabin back panel A pad member disposed at the position of the head of the occupant, one end of which is fixed to the cabin back panel or the roof, and the other end is a support member connected to the pad member, the cabin back panel Alternatively, a support member that adjusts a position along the front-rear direction of the pad member with respect to the cabin back panel from a fixed position with the roof .

  Thereby, a pad member can be moved to a desired position. Further, the pad member can be easily moved and positioned.

1 is an external view of a headrest 100 which is an embodiment of a movable headrest according to the present invention. It is a figure which shows the supporting member 103, A is a front view, B is a figure which shows the X1-X1 cross section in A. FIG. It is a figure which shows positioning of the movable headrest 100. FIG. It is an external view of the headrest 200 which is one Example of the movable headrest which concerns on this invention. It is a figure which shows the supporting member 203, A is a front view, B is a figure which shows the X3-X3 cross section in A. FIG. It is an external view of the headrest 300 which is one Example of the movable headrest which concerns on this invention. It is a figure which shows the supporting member 303, A is a front view, B is a figure which shows the X5-X5 cross section in A. FIG. It is a figure which shows the conventional headrest. It is a figure which shows the conventional headrest.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, about the structure similar to a prior art, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  An automotive headrest 100 that is an embodiment of a movable headrest according to the present invention will be described below.

  In FIG. 1, the external view of the headrest 100 is shown. The headrest 100 is a cab-over type truck 1 having a passenger compartment 2 and a loading platform 3, and is attached to the passenger compartment 2 and the loading platform 3 partitioned by a cabin back panel 4 (see FIG. 8). The cabin back panel 4 constitutes a part of the body of the truck 1.

  The headrest 100 includes a pad member 101 that receives the head of the occupant and a support member 103 that supports the pad member 21. The pad member 101 is disposed above the driver's seat, the passenger seat, and the respective seat backs 5. The pad member 101 supports the head of an occupant seated in the driver seat and the passenger seat. The pad member 101 is movable independently of the seat back 5 by the support member 103.

  The support member 103 has one end fixed to the cabin back panel 4 and the other end fixed to the pad member 101. Details of the support member 103 will be described with reference to FIG. 2A shows a front view of the support member 103, and FIG. 2B shows an X1-X1 cross section of FIG. 2A. 2, only the left side with respect to the central axis J103 of the support member 103 is illustrated. Further, the support member 103 is formed symmetrically with respect to the central axis J103. In FIG. 2, the pad member 101 is indicated by a dotted line.

  As shown in FIG. 2A, the support member 103 includes a fixed member 103a, a movable member 103b, a pad connecting member 103c, and a positioning member 103d. The fixing member 103a is fixed to a strong structural member of the cabin back panel 4 using a predetermined fixing bolt B. The fixing member 103a has a bottom plate 103a1 and a guide rail 103a3. The bottom plate 103a1 has a flat plate shape. The bottom plate 103a1 has a plurality of positioning holes 103a5 and a plurality of fixing protrusions 103a7. The positioning holes 103a5 and the fixed protrusions 103a7 are formed on a one-to-one basis. The positioning holes 103a5 are arranged in a horizontal row at a predetermined interval in the center of the bottom plate 103a1. The guide rail 103a3 is formed along both side edges of the bottom plate 103a1. Therefore, the positioning hole 103a5 and the fixing protrusion 103a7 are located between the guide rails 103a3 that are positioned relative to each other. The guide rail 103a3 has a U-shape. In the guide rail 103a3, the U-shaped opening is arranged to face the cabin back panel 4 side with the bottom plate 103a1 attached to the cabin back panel 4.

  The positioning hole 103a5 is an opening for inserting the positioning member 103d. The fixing protrusion 103a7 is formed so as to protrude toward the passenger compartment 3 with respect to the cabin back panel 4. Further, the fixing protrusion 103a7 is formed on the side toward the direction away from the central axis J103 with respect to the positioning hole 103a5. Further, as shown in FIG. 2B, the fixing protrusion 103a3 is formed so as to protrude obliquely toward the central axis J103.

  The movable member 103b has a movable plate 103b1, a guide rail engaging portion 103b3, and a connecting projection 103b7. The movable plate 103b1 has a flat plate shape. As shown in FIG. 2B, the movable plate 103b1 has one positioning hole 103b5. The positioning hole 103b5 is formed on one end side of the movable plate 103b1. The positioning member 103d is inserted into the positioning hole 103b5. The position of the positioning member 103d is fixed by the side edge of the positioning hole 103a5, the tip edge of the fixing protrusion 103a7, and the positioning hole 103b5. The guide rail engaging portion 103b3 is formed on both side edges of the movable plate 103b1. The guide rail engaging portion 103b3 is a flat convex member that engages with the U-shaped guide rail 103a3. When the guide rail engaging portion 103b3 engages with the guide rail 103a3, the movable member 103b can move relative to the fixed member 103a.

  The connection protrusion 103b7 is formed on one end side of the movable plate 103b1 which is different from the one end side where the positioning hole 103b5 is formed. The connection protrusion 103b7 is disposed so as to protrude toward the passenger compartment 2 with respect to the cabin back panel 4.

  The pad connecting member 103 c connects the movable member 103 b and the pad member 101. One end of the pad connecting member 103c is rotatably connected to the connecting protrusion 103b7 of the movable member 103b. One end of the pad connecting member 103c different from the one connected to the movable member 103b is rotatably connected to the pad member 101.

  The positioning member 103d includes a protruding member 103d1, an operation member 103d3, and an elastic member 103d5. The protruding member 103d1 has a cylindrical shape that fits into the positioning hole 103a5 of the fixed member 103a and the positioning hole 103b5 of the movable member 103b. The operation member 103d3 is a member operated by an occupant attempting to position the pad member 101. The protruding member 103d1 and the operating member 103d3 are connected by an elastic member 103d5. By operating the operating member 103d3, the protruding member 103d1 is fitted into the positioning hole 103a5 of the fixed member 103a, and the fixed protrusion 103a7 is operated. Is engaged with the positioning hole 103a5 of the fixing member 103a, but is not engaged with the positioning protrusion 103a7, does not engage with the positioning hole 103a5 of the fixing member 103a, and does not engage with the fixing protrusion 103a7. It can be changed to a state.

  Here, a positioning method of the pad member 101 using the support member 103 will be described with reference to FIG. FIG. 3A shows a state where the pad member 101 is positioned closest to the cabin back panel 4, and the positioning hole 103a5 (hereinafter referred to as positioning hole 103a5-1) of the fixing member 103a farthest from the central axis J103. ) Shows a state in which the pad member 101 is positioned. FIG. 3B shows a positioning hole 103a5 (hereinafter referred to as positioning hole 103a5-2) of the fixing member 103a that is the second most distant from the central axis J103, that is, a positioning hole 103a5-2 adjacent to the positioning hole 103a5-1. The state in which the pad member 101 is positioned is shown.

  When the pad member 101 positioned as shown in FIG. 3A is to be positioned at the position shown in FIG. 3B, the occupant moves the operation member 103d3 in the direction of the arrow a31 from the cabin back panel 4 toward the occupant chamber 2. Manipulate. As a result, the protruding member 103d1 is not engaged with the positioning hole 103a5 of the fixing member 103a but is engaged with the fixing protrusion 103a7. In this state, the movable member 103b is moved in the direction of arrow a33, which is the direction of the central axis J103. At this time, the protruding member 103d1 moves on the surface of the fixing member 103a.

  Further, when the movable member 103b is moved, the protruding member 103d1 moves beyond the fixed protrusion 103a7 as shown by an arrow a35, and is fitted into the adjacent positioning hole 103a7-2. At this time, the connecting member 103c is rotated in the counterclockwise arrow a37 direction in accordance with the movement of the movable member 103b. The occupant also performs the positioning operation of the movable member 103b and the positioning member 103d on the opposite side around the central axis J103.

  Accordingly, as shown in FIG. 5B, the pad member 101 can be moved in accordance with the position of the seat back 5 and the seating posture of the occupant. Further, the pad member 101 can be easily moved and positioned.

  In the headrest 100 in Example 1 described above, the pad member 101 is fixed to the cabin back panel 4 via the support member 103. On the other hand, in the headrest 200 according to the present embodiment, the pad member 101 is fixed to the roof 14 of the passenger compartment 2. In the present embodiment, the same components as those in the first embodiment and the prior art are denoted by the same reference numerals, and detailed description thereof is omitted.

  The headrest 200 will be described with reference to FIG. The headrest 200 includes a pad member 101 and a support member 203. One end of the support member 203 is fixed to the strong structural member of the cabin roof 14, and the other end is connected to the pad member 101.

  The support member 203 includes a fixed member 203a, a movable member 203b, a pad connecting member 203c, and a positioning member 103d. Each component of the support member 203 will be described with reference to FIG. 5A shows a front view of the support member 203, and FIG. 5B shows an X3-X3 cross section of FIG. 4A. The fixing member 203a has a bottom plate 203a1 and a guide rail 203a3. The bottom plate 203a1 has a flat plate shape. The bottom plate 203a1 has a plurality of positioning holes 103a5 and a plurality of fixing protrusions 103a7. The positioning holes 103a5 are arranged in a horizontal row at a predetermined interval along one side edge of the bottom plate 203a1. One guide rail 203a3 is formed near the center of the bottom plate 203a1, and one is formed along the side edge on the side different from the side where the positioning hole 103a5 is disposed. Therefore, the positioning hole 103a5 and the fixed protrusion 103a7 are not positioned between the guide rails 203a3 that are positioned relative to each other.

  The guide rail 203a3 has a U-shape. In the guide rail 203a3, the U-shaped opening is arranged so as to face the roof 14 side with the bottom plate 203a1 attached to the roof 14. The guide rail 203a3 has a movable hole 203a9. The movable hole 203a9 is an opening through which the movable plate 103b1 of the movable member 203b moves. The movable hole 203a9 is a rectangular opening and is formed in the moving range of the movable member 203b.

  The positioning hole 103a5 is an opening for inserting the positioning member 103d. The fixing protrusion 103a7 is formed so as to protrude toward the passenger compartment 2 with respect to the roof 14. The fixing protrusion 103a7 is formed on the front side or the rear side of the positioning hole 103a5. Further, as shown in FIG. 5B, the fixing protrusion 103a3 is formed to protrude obliquely toward the front side or the rear side.

  The movable member 203b has a movable plate 203b1, a guide rail engaging portion 103b3, and a connecting projection 103b7. The movable plate 203b1 has a flat plate shape. As shown in FIG. 5B, the movable plate 203b1 has one positioning hole 103b5. The positioning hole 103b5 is formed on one end side of the movable plate 103b1. One guide rail engaging portion 203b3 is formed near the center of the movable plate 203b1, and one is formed along the side edge on the side different from the side where the positioning hole 203b5 is formed. The guide rail engaging portion 203b3 is a flat convex member that engages with the U-shaped guide rail 203a3. When the guide rail engaging portion 203b3 engages with the guide rail 203a3, the movable member 203b can move relative to the fixed member 203a.

  The connecting protrusion 203b7 is disposed between the guide rails 203a3 positioned in the movable plate 103b1. Accordingly, the pad connecting member 203c is positioned between the guide rails 203a3. The connecting protrusion 203b7 is formed so as to protrude toward the passenger compartment 2 with respect to the roof 14.

  The pad connecting member 203 c has one end fixed to the movable member 203 b and one end fixed to the pad member 101. A bolt or the like is used to fix the pad connecting member 203c and the movable member 203b. The pad member 101 is disposed so as to be perpendicular to the moving direction of the movable member 203b in the fixed member 203a. The positioning member 103d fixes the pad connecting member 203c to the fixing member 203a. Thereby, the pad connecting member 203c is positioned with respect to the fixing member 203a, and consequently the pad member 101 is positioned.

  In the headrest 200, an occupant who wants to position the pad member 101 operates the positioning member 103d and moves the movable member 203b along the fixed member 203a to move the pad connecting member 203c to a desired position, as in the first embodiment. Move to position. Thereby, the pad member 101 can be easily moved and positioned.

  The headrest 200 in the above-described second embodiment moves the pad member 101 linearly along the fixing member 203a. On the other hand, in the headrest 300 according to the present embodiment, the pad member 101 is rotated. In the present embodiment, the same configurations as those in the first embodiment, the second embodiment, and the conventional technique are denoted by the same reference numerals, and detailed description thereof is omitted.

  The headrest 300 will be described with reference to FIG. The headrest 300 includes a pad member 101 and a support member 303. One end of the support member 303 is fixed to the strong structural member of the cabin roof 14, and the other end is fixed to the pad member 101.

  FIG. 7 shows the support member 303. 7A shows a state in which the support member 303 is attached to the roof 14 as viewed from the passenger compartment 2 side, and FIG. 7B shows a cross section taken along line X5-X5 in FIG. 7A.

  The support member 303 includes a fixed member 303a, a movable member 303b, a pad connecting member 303c, and a positioning member 103d. The fixing member 303a includes a bottom plate 303a1, a guide rail 303a3, and a semicircular guide plate 303a6. The bottom plate 303a1 is formed along the semicircular shape of the semicircular guide plate 303a6. Therefore, the bottom plate 303a1 has a semicircular cross section. Further, the bottom plate 303a1 has a connecting member moving hole 303a8 between the guide rails 303a3. The other configuration of the bottom plate 303a1 is the same as that of the bottom plate 203a1 in the second embodiment. In FIG. 7, the description of the positioning hole 103a5 and the fixing protrusion 103a7 of the bottom plate 303a1 is omitted.

  The movable member 303b has a movable plate 303b1, a guide rail engaging portion 303b3, and a connecting hole 303b7. The movable plate 303b1 has one positioning hole 103b5 (not shown), similar to the movable plate 203b1 in the second embodiment. The movable plate 303b1 has a connection hole 303b7 into which the pad connection member 303c is inserted. The pad connecting member 303c is fixed to the movable plate 303b1 by welding the periphery of the connecting hole 303b7. Since the movable plate 303b1 moves along the bottom plate 303a1 of the fixed member 303a, the movable plate 303b1 has a circular arc shape in cross section. Other configurations of the movable member 303b are the same as the corresponding configurations of the movable member 203b in the second embodiment.

  One end of the pad connecting member 303c is fixed to the semicircular guide plate 303a6 so as to be rotatable near the roof 14.

  From the above, the pad connecting member 303c can rotate in the arrow a71 direction and the arrow a73 direction about the axis J103c. As a result, the pad member 101 also rotates in the arrow a71 direction and the arrow a73 direction around J103c. For example, as shown in FIG. 6, when the seat back 5 is moved in the direction of the cabin back panel 4 (see the dotted line in the figure), the pad member 101 is also rotated in the direction of the cabin back panel 4 (arrow a61 direction). Thus, the position of the pad member 101 can be appropriately arranged with respect to the position of the head of the occupant.

[Other embodiments]
(1) Pad member 101: In the first embodiment, the pad member 101 is movable independently of the seat back 5. However, the pad member 101 is connected to the seat back 5 to move the seat back 5. In addition, the pad member 101 may also move. The same applies to Example 2 and Example 3.

  (2) Support member 103: The support member 103 in the first embodiment is configured such that the protruding member 103d1 of the positioning member 103d is fitted into the positioning hole 103a5 of the fixed member 103a and the positioning hole 103b5 of the movable member 103b. Although the member 101 is positioned, the member 101 is not limited to the example as long as the pad member 101 can be positioned. For example, the pad connecting member may be positioned using a fixing member having a guide rail, a pad connecting member having one end that moves the guide rail, and a bolt that fixes the pad connecting member to the guide rail. . The same applies to Example 2 and Example 3.

  (3) Vehicle using headrests 100 to 300: In the first embodiment, the movable headrest 100 is used for a truck having the cabin back panel 4, but any vehicle having a back panel may be used as an example. It is not limited to things. For example, a van-type vehicle having a back panel may be used. The same applies to vehicles using the headrests 200 and 300.

  The movable headrest according to the present invention is used as a headrest of a light truck having a back panel, for example.

100, 200, 300 Headrest 101 Pad member 103 Support member 103a Fixed member 103a1 Bottom plate 103a3 Guide rail 103a3 Fixed protrusion 103a5 Positioning hole 103a7 Fixed protrusion 103b Movable member 103b1 Movable plate 103b3 Guide rail engaging part 103b5 Positioning hole 103b7 Connecting protrusion 103c7 Member 103c Connection member 103d Member 103d1 Projection member 103d3 Operation member 103d5 Elastic member 203 Support member 203a Fixing member 203a1 Bottom plate 203a3 Guide rail 203a9 Movable hole 203b Movable member 203b1 Movable plate 203b3 Guide rail engaging part 203b7 Pad projection member 203b7 303 Support member 303a Fixing member 303a1 Bottom plate 303a Guide rail 303a6 semicircular guide plate 303a8 connecting member moving hole 303b movable member 303b1 movable plate 303b3 guide rail engaging portion 303b7 connecting hole 303c pad connecting member

Claims (1)

A passenger compartment and the headrest attached to the cabin back panel or the roof of a vehicle with a movable seat the passenger compartment along the longitudinal direction is formed by the roof and the cabin back panel,
A pad member arranged at the position of the head of the occupant,
One end is fixed to the cabin back panel or the roof, and the other end is a support member connected to the pad member, and the pad member with respect to the cabin back panel from a fixed position with the cabin back panel or the roof A support member for adjusting the position along the front-rear direction ,
Having
Movable headrest.

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