JP4610948B2 - Nap device for car seat - Google Patents

Description

  The present invention relates to an automobile seat nap device, and more particularly, to an automobile seat nap device that has a function of protecting the head from various sensory stimuli for a nap person to sleep, and can be used as a more suitable pillow.

  Automobile seats are generally designed so that they can be tilted backwards assuming a break such as taking a nap in a car, but when taking a nap, various sensations on the head and face Because of irritation, it is often impossible to sleep.

  For example, incident light from outside the vehicle, such as sunlight or various illumination lights, may be dazzling and cannot sleep even with eyes closed. In preparation for such a case, a certain sleep aid such as an eye mask is commercially available. However, if these sleep aids are used, at least dazzling can be prevented, but other various sensory stimuli cannot be blocked.

  For example, the hot feeling of solar heat due to sunlight irradiating the head or face cannot be prevented. Furthermore, there are cases where people outside the vehicle are worried that they can see their sleeping faces, or because they feel embarrassed, they may not be able to sleep well, but eye masks are not effective in these respects.

  Furthermore, when taking a nap in an automobile seat, the headrest is usually used as a pillow. In general, if the pillow has a curved surface that fits the user's occipital region, the left-right rolling of the head while sleeping is naturally regulated, so that the burden on the neck is eliminated and the user can sleep comfortably. However, in consideration of safety during driving of the automobile, the headrest of the automobile seat is not provided with a curved surface that restricts left-right rolling of the head. Therefore, even in this respect, it is difficult to take a nap safely.

  Therefore, the present invention provides a vehicle seat that has a function of protecting the head from various sensory stimuli for a nap person to sleep, and can be used as a more suitable pillow when taking a nap by defeating the vehicle seat in a vehicle. Providing a medical nap device is a technical problem to be solved.

(Configuration of the first invention)
The configuration of the first invention of the present application for solving the above problems is configured in a housing built in a headrest of an automobile seat or a housing provided with an attachment means for the headrest of an automobile seat, and the following (1) to (3) This is a nap device for automobile seats having the configuration described above.

(1) Inside the housing, a cover member configured to be able to be pulled out from a drawer port provided on a side of the housing is housed.
(2) The cover member is composed of a plurality of wing plates that are layered under a deployable structure and are constrained so that the base end side does not come out of the drawer outlet of the housing,
(3) When the cover member is pulled out from the housing and a plurality of wing plates are fully developed, these wing plates form a cylindrical circle structure in front of the housing.

(Configuration of the second invention)
The configuration of the second invention of the present application for solving the above-described problem is that the front side wall portion of the housing according to the first invention comprises one or both of the following configurations (4) and (5): Device.

  (4) It has a curved surface shape that fits the human back of the head.

  (5) It has a cushioning surface material.

(Configuration of the third invention)
The configuration of the third invention of the present application for solving the above-described problem is that a pair of drawers that can be pulled out from the drawer openings provided on the sides of the housing are provided in the housing according to the first or second invention. This is a nap device for automobile seats in which the wing plates of these cover members form the cylindrical circle structure.

(Configuration of the fourth invention)
The configuration of the fourth invention of the present application for solving the above-described problem is that the tip of the wing plate, which is the most advanced in the developed state of the plurality of wing plates in the pair of cover members according to the third invention, This is a nap device for an automobile seat in which means for fastening the tips of the two is configured.

(Structure of the fifth invention)
In order to solve the above-mentioned problem, the fifth invention of the present application is configured such that the housing according to the first invention or the second invention has a single inside which can be pulled out from a drawer opening provided on one side of the housing. It is a nap device for an automobile seat in which a cover member is housed and a wing plate of the cover member forms the cylindrical circle structure.

(Structure of the sixth invention)
The structure of the sixth invention of the present application for solving the above-described problem is that the tip of the wing plate which is the most advanced in the expanded state of the plurality of wing plates of the cover member according to the fifth invention, and the housing to which the tip reaches This is an automobile seat nap device in which a means for fixing each other is formed between the wall portion and the other wall portion.

(Structure of the seventh invention)
The structure of the seventh invention of the present application for solving the above problem is a flat housing in which the deployable multi-layer structure of the plurality of wing plates according to any one of the first to sixth inventions has an arcuate cross section. The vehicle seat nap device has a structure in which an inner wing plate having a similar cross-sectional shape is housed in an outer wing plate so as to be drawable.

(Configuration of the eighth invention)
In order to solve the above-mentioned problem, the structure of the eighth invention of the present application is such that the deployable multi-layer structure of the plurality of wing plates according to any one of the first to sixth inventions is connected by a hinge whose rotation angle is restricted. This is a nap device for an automobile seat having a folded structure.

(Structure of the ninth invention)
The structure of the ninth invention of the present application for solving the above problem is a wing plate according to any one of the first to eighth inventions, in which a light-shielding sheet is stretched on a frame constituting the outer shape. This is a nap device for automobile seats.

(Effect of the first invention)
In the first invention, when the cover member is pulled out from the housing and a plurality of wing plates are developed, a cylindrical circle structure is formed in front of the housing. This cylindrical circle structure covers the head and face of a nap person who falls asleep by falling down an automobile seat, and protects the nap person from various sensory stimuli.

  That is, incident light from outside the vehicle, such as sunlight and various illumination lights, is blocked from the entire head and face. Therefore, not only the glare of incident light but also solar heat is blocked. It is also visually blocked so that people outside the vehicle cannot see the sleeping face.

  Further, since the housing of the nap device is built in the headrest of the automobile seat or attached to the headrest of the automobile seat, it becomes a pillow suitable for a nap person. From the various actions and effects described above, a nap person can sleep comfortably.

  In addition, when the housing of the nap device is provided with a mounting means for the headrest of the automobile seat, it can be removed from the headrest of the automobile seat when it is not in use and can be placed at an appropriate location in the vehicle interior. Since the plurality of wing plates constituting the are housed in a compact manner inside the housing in a multi-layered state, it does not get in the way even if placed in an appropriate place in the vehicle interior. When the housing of the nap device is built in the headrest of the automobile seat, the cover member is drawn into the headrest when not in use, so that it does not get in the way at all.

(Effect of the second invention)
In the car seat nap device, the front side wall portion of the housing has the configuration of (4) of the second invention, so that the nap device as a pillow naturally regulates left-right rolling of the head of a nap person. There is no burden on the nap's neck, so you can sleep comfortably. Furthermore, when the front side wall portion of the housing has the configuration of (5) of the second invention, a soft cushioning property is given to the nap device as a pillow, and the nap person can sleep more easily.

(Effects of the third and fifth inventions)
According to the third invention and the fifth invention, preferred embodiments are provided for the cover member and the wing plate, respectively.

(Effects of the fourth and sixth inventions)
By forming a fastening means as in the fourth invention or the sixth invention at the tip of the wing plate which is the most advanced in the deployed state among the plurality of wing plates constituting the cover member, a cylindrical circle structure is obtained. Can be stabilized.

(Effects of the seventh and eighth inventions)
As a multilayer structure in which a plurality of wing plates constituting the cover member can be developed, a structure as defined in the seventh invention or the eighth invention can be exemplified as a preferred embodiment.

(Effect of the ninth invention)
The structure of the wing plate itself is preferably a thin plate, and is not limited as long as it has an arc shape in some cases. However, when weight is important, the outer shape of a predetermined shape is used as in the ninth invention. A preferable example is a frame in which a light-shielding sheet is stretched on a frame to be configured.

  Next, the first to ninth embodiments of the present invention will be described including the best mode. In the following, the term “present invention” simply refers to one or more of the above-mentioned inventions in a lump.

[Nap device for car seats]
The nap device for automobile seats according to the present invention is configured such that a cover member is housed inside a housing and can be pulled out from a pull-out port provided on the side of the hollow housing. The housing is configured in a state of being built in the headrest of the automobile seat, or is configured independently and provided with an attaching means for the headrest of the automobile seat. The type of the attaching means is not limited. For example, as shown in an example described later, a belt of a type that is wound around a headrest of an automobile seat and fastened may be provided in the housing.

〔housing〕
In the above configuration, the constituent material of the housing is not limited, and may be made of plastic, metal, or the like. As long as the housing is a hollow housing having the above-mentioned configuration, the size, outer shape, internal structure, etc. are not limited, but when incorporated in the headrest of an automobile seat, the size and outer shape are naturally defined, and independently When configured and attached to the headrest of an automobile seat, the shape and size corresponding to the headrest of the automobile seat are preferable.

  Since the housing is used as a pillow when the user falls a car seat backward and takes a nap, it is preferable that the front side wall portion has a curved surface shape having an arcuate cross section that fits the back of the person. . Further, such a shape is excellent as a storage container when the cover member is formed of a wing plate having an arcuate cross section. Furthermore, it is also preferable that the front side wall portion of the housing has a cushioning surface covering material.

  With respect to the guide action for the cover member, as shown in the embodiments described later, guide grooves are provided in the lower wall portion and the upper wall portion of the housing, and protrusions that fit into the guide grooves are formed on the upper end surface and the lower end surface of the cover member. It may be provided that the cover member is pulled out and stored according to the guide action of the guide groove.

  When the guide groove is formed up to the vicinity of the cover member outlet in the housing, the end of the guide groove serves as a stopper for the projection of the cover member, so that the cover member is restrained from coming out of the housing outlet, and the cover The maximum withdrawal position of the member is defined. The means for restraining the cover member from being pulled out from the drawer opening of the housing is not limited to the configuration of the guide groove / projection described above. For example, the projection that is locked to the drawer opening at the rear end portion in the drawer direction of the cover member. A part may be formed.

[Cover member and wing plate]
Regarding the storage form of the cover member in the housing, (a) a case where a pair of cover members that can be pulled out from the drawer openings provided on both sides of the housing are housed inside the housing, and (b) one side of the housing. In some cases, a single cover member that can be pulled out from a drawer opening provided on the side of the housing is stored. In any case, the wing plate of the cover member is configured to be able to form a cylindrical circle structure in front of the housing by being unfolded. The “side of the housing” means the side of the automobile seat.

  The cover member is composed of a plurality of wing plates, and these wing plates are stacked in a deployable structure. Therefore, the plurality of wing plates are layered from the wing plate constituting the proximal end side to the wing plate constituting the distal end side in the state of being pulled out from the housing and developed.

  When the cover member is provided with a protruding portion that is locked to the drawer outlet of the housing, the protruding portion is actually formed on the wing plate that constitutes the most proximal side. Further, as described above, the wing plate constitutes a cylindrical circle structure in a state where the wing plate is drawn out from the housing and is unfolded. Therefore, the cover member is composed of the necessary number of wing plates. The The cylindrical circle structure has a size that can cover the periphery of the head of a person who takes a nap using the housing as a pillow. The cylindrical circle structure is sized to cover the head closely with emphasis on light blocking and sound blocking, or leave some space around the head for comfortable breathing etc. The size to be covered can be designed arbitrarily.

  In order to structurally stabilize the cylindrical circle structure formed by the wing plate, it is preferable that the wing plate constituting the leading edge is provided with a fastening means for the mating member. In the case of (a), the “partner material” is the wing plate on the most distal side of the other cover member, and in the case of (b), the wall portion on the opposite side of the drawer opening in the housing. It is. The type of fastening means is not limited. For example, S pole and N pole magnets can be attached to the fastening parts of each other, or the loop side and the hook side of the so-called magic tape can be attached.

  The structure for accommodating a plurality of wing plates in a deployable manner and accommodating them in the housing is not limited. Preferably, (a) an inner wing plate having a similar cross section is formed inside the outer wing plate which is a flat housing. Can be made into a heavy box type structure that is stored so that it can be pulled out, or (b) a folded structure that is connected by a hinge whose rotation angle is constrained. In the heavy box structure described in (a) above, since there is no angle adjusting function between the wing plates, a plurality of wing plates can be formed in a circular arc shape that is curved at a required angle, respectively, so that a cylindrical body can be configured as a whole. Set to. In the folding structure (b) above, the angle adjustment function can be provided to the hinge for connecting the wing plate, so that each wing plate may be flat.

  The wing plate may be a flat plate body made of plastic or any other material (a plate-like housing in the above heavy box structure), but a light-shielding sheet is stretched on the frame constituting the outer shape. It may be a thing.

  Embodiments of the present invention will be described below with reference to the drawings. Of course, the technical scope of the present invention is not limited by the following examples.

(Configuration of Example)
The car seat nap device 1 shown in FIG. 1 is attached to the headrest 2 of the car seat at the time of use and can be removed at the time of non-use. The attachment is not shown in FIG. 1, but FIG. As shown in FIG. 3, the vehicle seat nap device 1 is attached to the headrest 2 by using the attachment belt 4 provided in the housing 3. The attached state is shown in FIG. 6, but may be removed from the headrest 2 when the nap device is not used, such as during automatic driving.

  In addition, although not shown in figure as a modification of a present Example, you may comprise the nap apparatus 1 for motor vehicle seats in the headrest 2. FIG. In that case, the front side surface of the headrest 2 (the surface on which the back of the user 5 abuts) may have a curved surface shape with a cross-sectional shape that fits the back of the user 5 like the front side of the housing 3 in FIG. .

  Inside the housing 3 which is a lightweight plastic container body, a cover member 8 configured to be able to be pulled out from the pull-out ports 7 provided on both sides of the housing is housed. The cover member 8 is a heavy box in which inner wing plates 9b and 10b, which are similarly arcuate in section, are accommodated in the outer wing plates 9a and 10a, which are flat housings having an arcuate section. Has an expression structure. These wing plates are also made of lightweight plastic.

  As shown in the longitudinal sectional view of the housing in FIG. 5, guide grooves 11 are provided on the inner peripheral surface of the lower wall portion and the upper peripheral surface of the housing 3, and the outer wing plates 9 a and 10 a are provided in the guide groove 11. Projections 12 projecting from the upper surface and the lower surface are fitted. For this reason, the outer wing plates 9 a and 10 a inside the housing 3 are pulled out of the housing 3 or stored in the housing 3 according to the guide action of the guide groove 11.

  Furthermore, a guide groove 13 is provided on the inner peripheral surface of the lower and upper side wall portions of the outer wing plates 9a and 10a. The guide groove 13 projects from the upper and lower surfaces of the inner wing plates 9b and 10b. The raised projection 14 is fitted. For this reason, the inner wing plates 9 b and 10 b inside the outer wing plates 9 a and 10 a are pulled out or stored from the outer wing plates 9 a and 10 a according to the guiding action of the guide groove 13.

  Further, the guide groove 11 is formed only up to a portion immediately before the outer wing plates 9a and 10a are removed from the housing 3, and the guide groove 13 is formed by the inner wing plates 9b and 10b being the outer wing plate 9a, It is formed only up to the part immediately before it escapes from 10a. Therefore, the end portions of the guide grooves 11 and 13 serve as stoppers for preventing the protrusions 12 on the outer wing plates 9a and 10a or the protrusions 14 on the inner wing plates 9b and 10b.

  On the drawer end side of the outer wing plates 9a and 10a and the inner wing plates 9b and 10b, there are provided pulling knobs 15 and 16, respectively. Further, when the wing plate is pulled out / deployed, the inner wing plates 9b and 10b become the wing plates on the distal end side, and as shown in FIG. As a fixing means, an S-pole magnet 17 and an N-pole magnet 18 are respectively attached.

(Use status of the example)
The nap device for automobile seats of Example 1 configured as described above is attached to the headrest 2 as shown in FIG. Then, the automobile seat is tilted backward, and the outer wing plates 9a and 10a are pulled out from the housing 3 as shown in FIG. Further, as shown in FIG. 3, the inner wing plates 9b and 10b are pulled out from the outer wing plates 9a and 10a, and the gaps 16 between these tips are fixed by the action of the magnet.

  As a result, a cylindrical circle structure is formed in front of the housing 3 (upward in FIG. 3) by the outer wing plates 9a and 10a and the inner wing plates 9b and 10b. As shown in FIG. The part is shielded from various sensory stimuli such as external light rays and human eyes by being covered with the circle structure.

  According to the present invention, there is provided a nap device for an automobile seat, which has a function of protecting the head from various sensory stimuli for a nap person to sleep, and can be used as a more suitable pillow.

It is sectional drawing which shows the structure of an Example. It is sectional drawing which shows the use condition of an Example. It is sectional drawing which shows the use condition of an Example. FIG. 4A is a perspective view showing a state where the nap device is attached, and FIG. 4B is an enlarged cross-sectional view showing a main part of the embodiment. It is sectional drawing which shows the structure of an Example. It is sectional drawing which shows the use condition of an Example. It is sectional drawing which shows the use condition of an Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Nap device for automobile seats 2 Headrest 3 Housing 7 Drawer port 8 Cover member 9a, 10a Outer wing plate 9b, 10b Inner wing plate 11, 13 Guide groove 12, 14 Protrusion 15, 16 Pick part 17, 18 Magnet

Claims (10)

The front side wall portion has a curved surface shape that fits the human occipital region and can be used as a pillow, is configured independently of the headrest of the automobile seat, and is configured in a housing having attachment means for the headrest of the automobile seat, (1)-(3) of this invention, The nap apparatus for motor vehicle seats characterized by the above-mentioned.
(1) Inside the housing, a cover member configured to be able to be pulled out from a drawer port provided on a side of the housing is housed.
(2) The cover member is composed of a plurality of wing plates that are layered under a deployable structure and are constrained so that the base end side does not come out of the drawer outlet of the housing,
(3) When the cover member is pulled out from the housing and a plurality of wing plates are fully developed, these wing plates form a cylindrical circle structure in front of the housing. 2. The nap device for an automobile seat according to claim 1, wherein the attaching means for the headrest of the automobile seat is a belt of a type that is wound around and secured to the headrest of the automobile seat. The vehicle seat nap device according to claim 1 or 2 , wherein the front side wall portion of the housing has the following configuration (5) .
(5) It has a cushioning surface material. The housing contains a pair of cover members that can be pulled out from the drawer openings provided on both sides of the housing, and the wing plates of these cover members have the cylindrical circle structure. The nap device for an automobile seat according to any one of claims 1 to 3, wherein the nap device is formed. The plurality of wings plates in the pair of cover members, between the tip of the wing plate to be advanced in the deployed state, claims, characterized in that the means for fastening between these tip cross is configured Item 5. The nap device for an automobile seat according to Item 4 . A single cover member that can be pulled out from a drawer opening provided on one side of the housing is housed in the housing, and the wing plate of the cover member forms the cylindrical circle structure. The nap device for an automobile seat according to any one of claims 1 to 3, wherein: Means for fixing the cover member is formed between the tip of the wing plate which is the most advanced in the deployed state of the plurality of wing plates of the cover member and the wall portion of the housing to which the tip reaches. The nap device for an automobile seat according to claim 6 . The multi-layer structure in which the plurality of wing plates can be developed is a structure in which an inner wing plate having a similar cross-sectional shape is housed in a retractable manner inside an outer wing plate that is a flat housing having an arc-shaped cross section. The nap device for automobile seats according to any one of claims 1 to 7 . The nap for an automobile seat according to any one of claims 1 to 7, wherein the deployable multi-layer structure of the plurality of wing plates is a folded structure connected by a hinge whose rotation angle is restricted. apparatus. The automobile seat nap device according to any one of claims 1 to 9 , wherein the wing plate is formed by stretching a light-shielding sheet on a frame constituting an outer shape.

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