JPH08156787A - Heating system for car seat - Google Patents

Abstract

PURPOSE: To make a heating system safety in structure as an inner part is not exposed to the outside in time of disuse, and also the inside easily checkable at the time of inspection and repairing or the like as well as to enable it to easily perform any operation for the repairing, etc. CONSTITUTION: An upper case 20 converting an upper part is attached to a lower case 22 covering those of front, lower and rear parts of a heating element 2 with a hinge 10, and both these cases are connected together by a latch handle 26 and a bracket metal 27. In addition, almost the central part 22d of the lower case 22 is bent in a V-shaped form, installing a horizontal member 26 there, and a heating element supporting component 5, the heating element 2 and a holder 3 are all attached to it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat-seat heating device installed under a seat such as a train, which has improved safety and facilitates internal confirmation and work during inspection and repair. The present invention relates to a seat heating device that can be used.

[0002]

2. Description of the Related Art Generally, a seat seat heating device is provided in a seat of a train or the like. FIG. 6 is a lateral cross-sectional view of a conventional seat heating device. In the figure, 1 is a seat and 1a is a seat portion. A heating element 2 is located below the seat 1 and is attached to the heating element support component 5 by a holder 3 and a set screw 4.

Reference numeral 6 is an L-shaped case for covering the upper and rear parts of the heating element 2. The case 6 is a flat upper surface plate 6a mounted on the lower surface of the seat 1a of the seat by a support member 7, Rear plate 6 formed at the rear end of the upper plate 6a
b. Here, the upper surface plate 6a functions as a reflecting plate that reflects the radiant heat from the heating element 2 downward. The heating element supporting component 5 is attached to the case 6 by a screw 8.
It is fixed to.

A cover 9 covers the front and bottom surfaces of the case 6, and the rear end of the cover 9 is the case 6.
It is attached to the lower end of the rear face plate 6b by a hinge 10, and the tip side is attached to the tip of the upper face plate 6a of the case 6 with a screw 11. Here, a large number of holes are formed in the cover 9, and among these holes, the holes located on the front surface side function as hot air outflow holes 12 through which the hot air from the heating element 2 flows out, and on the lower surface side. The hole located is the heating element 2 described above.
It functions as the air inflow hole 13 which flows in toward each. In addition, 14 shows the floor surface of the vehicle body.

The seat heating apparatus according to the prior art is constructed as described above, and its operation will be described below. Thus, when the heating device is in operation, the radiant heat from the heating element 2 is reflected directly from the heating element 2 or by the upper surface plate 6a, and the hot air outflow hole 12 and the air inflow hole 1 of the cover 9 are exposed.
It is emitted from 3 to the inside of the room, or hits the cover 9,
The indoor side is heated by radiation and convection from the cover 9. On the other hand, convection of air is caused by the air inflow hole 1 on the lower surface side of the cover 9.
It is performed by inflowing from 3 and flowing out from the hot air outflow hole 12 on the front side as shown by an arrow A.

Therefore, the pre-season inspection of the heating system is
The screw 11 is removed, the cover 9 is rotated downward with the hinge 10 as an axis, and the inside is exposed downward for confirmation. When replacing the heating element 2 or the like, the intended work is performed by loosening or tightening the screw 4 from below.

[0007]

Since the conventional heating device is constructed as described above, the first problem is that the safety during operation of the heating device is insufficient. . That is, if the screw 11 is not tightened sufficiently after inspection, the screw 11 may fall off during operation, and the cover 9 may rotate downward due to its own weight to open. Moreover, since the screw 11 can be easily touched from the periphery of the seat 1, the screw 9 may be loosened and the cover 9 may be opened by the mischief of a passenger while the heating device is operating. As described above, when the cover 9 is opened during operation of the heating device, combustibles enter the inside of the heating device and come into contact with the high-temperature heating element, or the human body accidentally contacts the high-temperature heating element 2 or the charging section. As a result, the safety against fire, burns, electric shock, etc. was insufficient.

The second problem is that the workability of the inspection work is poor. That is, the height of the seat 1 is about 40 to 50 cm with respect to the floor surface 14. Therefore, in addition to the inspection while the heating element 2 is attached, when the heating element 2 is detached from the seat 1 Person is on the floor 1
Since it was necessary to lower his face near 4, he was forced to have an unnatural posture and was extremely difficult to work. Also,
When loosening or tightening the screw 4 in order to replace the heating element 2, it is necessary to support the heating element 2 and the holding tool 3 against the own weight of the heating element 2 and the holding tool 3, and work by one person. Then it was difficult and required two people to work. In addition, when removing or attaching the cover 9 to loosen or tighten the screw 11, it is necessary to support the cover 9 against the self-weight of the cover 9, and similarly, two people work is required. there were.

The present invention has been made in order to solve the above-mentioned problems, and has a safe structure in which the inside is not easily exposed when unnecessary, and the inside is checked during inspection and repair. An object of the present invention is to obtain a seat-seat heating device that can be easily performed and can perform work easily.

[0010]

A seat seat heating apparatus according to the present invention includes a front plate facing a front portion of the heating element, a lower plate extending rearward from a lower end of the front plate, and a lower plate. A lower case including a rear plate extending upward from the rear end of the front plate and having an upper end extending to substantially the same position as the upper end of the front plate; and a lower case that covers the upper portion of the heating element and reduces radiant heat from the heating element. And an upper case that reflects to the upper case, the upper case being separable from the lower case when the seat is removed from the lower case, and the inside of the lower case is exposed to the outside. It was done.

The heating element is attached to a heating element support component fixed to the lower case that covers the lower part of the heating element.

Further, one end of the upper case is rotatably attached to an upper end of either the front plate or the rear plate of the lower case by a hinge, and the other end of the upper case is attached to the lower case. It is configured to be detachably attached to the remaining upper end of the front plate or the rear plate.

A front end of the upper case is rotatably attached to an upper end of a front plate of the lower case by a hinge, and a hooking handle is held at a rear end of the upper case, so that It is constructed so that it can be detachably attached by means of a receiver provided on the upper end of the rear face plate and the latch handle.

The lower plate of the lower case is bent in a V shape at the center thereof, a horizontal member is provided inside the bent portion, and the heating element supporting component is screwed to the horizontal member. As a result, the screw fastening portion is located inside the bent portion so as not to be exposed to the outside.

The upper case is attached to the lower surface of the seat seat by a support, and the upper case is separated from the lower case by rotating the seat seat, and the inside of the lower case is removed. It is configured to be exposed to the outside.

Further, the upper case is attached to the lower surface of the seat portion so as to be in close contact therewith, and is configured so as to be substantially fused with the outer shape of the seat portion so as to rotate the seat portion. Thus, the upper case is separated from the lower case, and the inside of the lower case is exposed to the outside.

[0017]

In the seat seat heating apparatus according to the present invention, the upper case is prevented from rotating upward by the seat seat when the seat seat is in a seatable state, and the upper case is removed only when the seat seat is removed. Can be rotated, the inside of the lower case is exposed to the outside, and the inside can be inspected from above.

Further, since the heating element is fixed to the lower case side, the work of removing and mounting can be easily performed from above.

The upper case can be separated from the lower case by loosening the screw on the upper case, and can be pivoted upward with respect to the lower case by the hinge.

Further, the upper case can be fixed and released by a hook handle, and can be opened and closed by holding the hook handle.

Further, the lower surface plate of the lower case bent in a V shape at the central portion can hide the set screw of the heating element supporting component so as not to be seen from the outside, so that the aesthetic appearance can be improved. Further, the horizontal member provided on the bent portion of the lower surface plate of the lower case can also serve as the reinforcing plate of the lower case.

Further, the upper case has a structure integral with the seat seat portion, and the interior of the lower case is exposed to the outside simply by rotating the seat seat portion.

Further, since the upper case is attached in close contact with the lower surface portion of the seat seat seat portion, the upper case can be made small, and a lightweight upper seat case integral with the seat seat seat portion can be constructed.

[0024]

【Example】

Example 1. Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS.
It will be explained based on. FIG. 1 is a lateral sectional view of a seat heating apparatus according to the present invention, and FIG. 2 is a front view thereof.
The same components as those of the conventional technique are designated by the same reference numerals and the description thereof will be omitted. Reference numeral 15 is a lower case that covers the front portion, the lower portion and the rear portion of the heating element 2. The lower case 15 includes a front plate 15a facing the front portion of the heating element 2 and the front plate 15
It has a lower surface plate 15b extending rearward from the lower end of a and a rear surface plate 15c extending upward from the rear end of the lower surface plate 15b. A support 16 is attached to the lower case 15, and the lower case 15 is attached to the leg X of the seat 1 by means of screws 17.

A large number of holes are formed in the lower case 15, and the front plate 1 of the lower case 15 among these holes is formed.
The hole on the 5a side functions as a hot air outflow hole 18 through which hot air from the heating element 2 flows out, and the hole on the lower surface plate 15b side of the lower case 15 is an air inflow hole for air flowing toward the heating element 2. It is designed to function as 19.

Reference numeral 20 denotes an upper case that covers the upper portion of the heating element 2, and the front end of the upper case has the lower case 15 described above.
The front plate 15a is rotatably attached to the upper end of the front plate 15a by a hinge 10, and the rear end side is attached to the upper end of the rear plate 15c of the lower case 15 by a screw 21. The upper case 20 also has a function as a reflection plate that reflects the radiant heat of the heating element 2 downward.

The seat-seat heating device according to the present invention is constructed in this way, and its operation will be described below. However, since the basic operation related to heating is the same as the seat-seat heating device according to the prior art, it is omitted. To do. During the pre-season inspection of the heating device, the seat portion 1a of the seat 1 is seated.
1 is rotated as shown by the chain double-dashed line in FIG. 1, removed from the leg X, the upper part of the upper case 20 is opened, and the screw 21 is loosened from above, and the upper case 20 is moved upward from the plate with the hinge 10 as a fulcrum. If the lower case 15 is rotated to expose the inside of the lower case 15 to the outside, the inside can be visually confirmed.

When the seat seat portion 1a is installed in a normal seatable state, the upper case 20 is restricted from rotating upward by the seat seat portion 1a, so that the inside of the lower case 15 is exposed. It will not be done. Further, since the seat seat heating device is attached so that the rear end is inclined downward, the screw 21 cannot be visually recognized from the front horizontal direction, and the seat seat portion 1a has the leg X. It is possible to loosen the screw 21 only when the screw 21 is removed.

When the heating element 2 is removed for repair or the like, following the above operation, the screw 4 is loosened from above, the holder 3 is removed upward, and the heating element 2 is removed upward from the heating element support component 5. You can Further, when attaching the heating element 2, the procedure is the reverse of the above operation, and all of the lower case 1
The work can be easily performed from above 5.

Example 2. FIG. 3 is a lateral sectional view of a seat heating device according to a second embodiment of the present invention. In the drawings, the same components as those of the conventional technique and the above-described first embodiment are designated by the same reference numerals and the description thereof will be omitted.

Reference numeral 22 denotes a lower case that covers the front portion, the lower portion and the rear portion of the heating element 2. The lower case 22 extends rearward from the front plate 22a facing the front portion of the heating element 2 and the lower end of the front plate 22a. The bottom plate 2 that is installed and bent at the center
2b and a rear face plate 22c extending upward from the rear end of the lower face plate 22b. Further, 22d is a V-shaped bent portion formed in the substantially central portion of the lower plate 22b. Further, a large number of holes are formed in the lower case 22, and the hole on the side of the front plate 22a of the lower case 22 is the heating element 2 among these holes.
Of the lower case 22 functions as an air inflow hole 24 for the air flowing into the heating element 2. There is.

Reference numeral 25 denotes a lower surface plate 22b of the lower case 22.
Is a horizontal member horizontally extending inside the bent portion 22d, and the horizontal member 25 is provided with a screw portion 25a. The heating element supporting component 5 is fixed on the horizontal member 25 by a screw 8. ing.

Reference numeral 26 denotes a hooking handle held at the rear end of the upper case 20, which is the rear plate 2 of the lower case 22.
Receiving plate 27 provided at the upper end of 2c and the above-mentioned hook handle 2
6 is connected to the upper case 22.

The seat seat heating apparatus according to the second embodiment of the present invention is constructed in this way. The operation of the seat seat heating apparatus will be described below. The basic operation related to heating is the conventional seat and the seat according to the first embodiment. Since it is the same as the room heating device, its description is omitted. During a pre-season inspection of the heating device, the seat portion 1a of the seat 1 is rotated as shown by the two-dot chain line in FIG. 3 to remove it from the legs (not shown), and the upper case 20 By opening the upper part, releasing the latch handle 26 from the upper part, and pivoting the upper case 20 upward with the hinge 10 as a fulcrum to expose the inside of the lower case 22 to the outside,
All inside can be seen.

When the seat seat portion 1a is installed in a normal seatable state, the upper case 20 is restricted from rotating upward by the seat seat portion 1a, so that the inside of the lower case 22 is exposed. It will not be done. Further, since the seat seat heating device is attached so that the rear end is inclined downward, the latch handle 26 cannot be visually recognized from the front horizontal direction, and the seat seat portion 1a is Only when it is detached from the leg (not shown), the latch handle 26 can be released.

Further, the screw 8 does not penetrate the lower surface plate 22b of the lower case 22, but the V-shaped bent portion 2 of the lower surface plate 22b.
It fits inside 2d and is not exposed to the outside. The horizontal member 25 also functions as a reinforcing plate for the lower case 22, and the lower case 22 is stronger than the lower case 15 in the first embodiment.

Example 3. FIG. 4 is a lateral sectional view of a seat heating device according to a third embodiment of the present invention. In the drawings, the same components as those of the conventional technique and the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
28 is an upper case that covers the upper part of the heating element 2,
The upper case 28 is provided on the lower surface of the seat 1a of the seat.
It is attached by 9. The upper case 28 is located at a predetermined position above the lower case 15 when the seat 1a of the seat is installed in a normal seatable state.

The seat seat heating apparatus of the third embodiment according to the present invention is configured in this way, and the operation thereof will be described below. The basic operation related to heating is the conventional seat and the seat seat according to the first embodiment. Since it is the same as the room heating device, its description is omitted. At the time of inspection of the heating device before the season, by rotating the seat portion 1a of the seat 1 as shown by the chain double-dashed line in FIG. 4 to remove it from the legs (not shown),
The upper case 28 is separated from the lower case 15, the inside of the lower case 15 is exposed to the outside, and the inside can be visually confirmed. Since the upper case 20 is always located at a predetermined position above the lower case 15 when the seat seat portion 1a is installed in a normal seatable state, the inside of the lower case 15 is exposed. There is no such thing.

Embodiment 4 FIG. 5 is a lateral sectional view of a seat heating device according to a fourth embodiment of the present invention. In the drawings, the same components as those of the conventional technique and the first embodiment are designated by the same reference numerals and the description thereof will be omitted.
30 is an upper case that covers the upper part of the heating element 2,
The upper case 30 is attached in close contact with the lower surface of the seat 1a of the seat. No support tool for attachment is interposed between the upper case 30 and the lower surface of the seat 1a of the seat. The upper case 30 is located at a predetermined position above the lower case 15 when the seat 1a of the seat is installed in a normal seatable state.

The seat-seat heating device according to the fourth embodiment of the present invention is constructed in this way, and its operation will be described below. The basic operation related to heating is the conventional seat and the seat according to the first embodiment. Since it is the same as the room heating device, its description is omitted. During the pre-season inspection of the heating device, the upper seat 30 is rotated by rotating the seat portion 1a of the seat 1 as shown by the two-dot chain line in FIG. 5 to remove it from the legs (not shown). Is separated from the lower case 15, the inside of the lower case 15 is exposed to the outside, and the entire inside can be visually recognized.
In addition, when the seat 1a of the seat is installed in a normal seatable state, the upper case 30 is always in the lower case 15.
Since it is located at a predetermined place above, the inside of the lower case 15 is not exposed.

[0041]

As described above, according to the present invention, the front plate facing the front portion of the heating element, the lower plate extending rearward from the lower end of the front plate, and the rear end of the lower plate. A lower case including a rear plate extending upward and having an upper end extending substantially to the same position as the upper end of the front plate, and an upper part that covers the upper part of the heating element and reflects radiant heat from the heating element downward. The upper case is configured to be separable from the lower case so that the inside of the lower case is exposed to the outside when the seat is removed from the lower case. When the seat is ready to be seated, the upper case is prevented from rotating upward by the seat, and the inside of the lower case is not exposed when unnecessary, so that the safety is extremely improved.

The operation of opening the inside of the lower case can be performed by rotating the upper case from above, and the operator does not have to lower his face near the floor surface. Workability is greatly improved.

The posture of visually observing the inside of the lower case is a posture of looking down at the inside of the lower case from above,
The workability is greatly improved without being forced into an unnatural posture where the face is lowered near the floor and looking up from below.

Further, since the heating element is attached to the heating element support component fixed to the lower case covering the lower portion of the heating element, the heating element and the holder are not fixed by screws. It does not fall by its own weight. Therefore, the operation of exchanging the heat generating element does not need to support the heat generating element and the holder against the gravity, and one person can work and the workability is improved.

The upper case has one end attached to the upper end of either the front plate or the rear plate of the lower case so as to be vertically rotatable via a hinge, and the other end of the upper case is stopped. Since it is detachably attached to the upper end of the remaining one of the front plate and rear plate of the lower case by the screw, the upper case does not fall by its own weight even if the fixing by the screw is released. There is no need to support the upper case against gravity when loosening or tightening the screws on the case. Further, the upper case can be rotated only by the operation of holding one end of the upper case and pulling it up. Therefore, one person can work and the workability is improved.

A front end of the upper case is rotatably attached to an upper end of a front plate of the lower case through a hinge, and a hooking handle is held at a rear end of the upper case. Since it is designed so that it can be detachably attached by the receiving member provided on the upper end of the rear plate of the lower case and the latch handle, the upper case can be fixed and released by the latch handle without the need for tools. Since it is possible to move to the operation of rotating the upper case while gripping the latching handle, the operation can be performed continuously and the workability is improved.

The lower surface plate of the lower case is bent in a V shape at its central portion, and a horizontal member is provided inside the bent portion.
Since the horizontal member is provided with a screw portion and the heating element supporting component is screwed, the screw is positioned inside the bent portion of the lower plate of the lower case so as not to be exposed to the outside. It is invisible and improves the aesthetic appearance.
Further, since the lower case is reinforced by the horizontal member, it becomes more solid and the safety is improved.

The upper case is attached to the lower surface of the seat seat by a support, and the upper case is separated from the lower case by rotating the seat seat so that the inside of the lower case is exposed. I did so,
Seat The interior of the lower case can be viewed simply by rotating the seat, which improves work efficiency.

The upper case is closely attached to the lower surface of the seat portion, and is constructed so as to be substantially fused with the outer shape of the seat portion. By rotating the seat portion, the upper portion is rotated. Since the case is separated from the lower case and the inside of the lower case is exposed to the outside, the inside of the lower case can be visually recognized only by rotating the seat portion of the seat, and the work efficiency is good. Further, since the upper case is adapted to be in close contact with the lower surface portion of the seat portion of the seat, the upper case can be made small and lightweight.
Therefore, it is possible to provide the seat heating device with good work efficiency at low cost.

[Brief description of drawings]

FIG. 1 is a lateral sectional view of a seat heating device according to a first embodiment of the present invention.

FIG. 2 is a front view of the seat heating apparatus according to the first embodiment of the present invention.

FIG. 3 is a lateral sectional view of a seat heating device according to a second embodiment of the present invention.

FIG. 4 is a lateral sectional view of a seat heating device according to a third embodiment of the present invention.

FIG. 5 is a lateral sectional view of a seat heating device according to a fourth embodiment of the present invention.

FIG. 6 is a lateral sectional view of a seat heating device according to the prior art.

[Explanation of symbols]

 1 Seat Seat 1a Seat Seat Seat 2 Heating Element 3 Retainer 4 Screw 5 Heating Element Supporting Part 8 Screw 10 Hinge 15 Lower Case 15a Front Plate 15b Lower Plate 15c Rear Plate 18 Hot Air Outlet Hole 19 Air Inlet Hole 20 Upper Case 21 Screw 22 Lower case 22a Front plate 22b Lower plate 22c Rear plate 22d Bent part 23 Hot air outflow hole 24 Air inflow hole 25 Member 25a Screw part 26 Hooking handle 27 Receiving plate 28 Upper case 29 Support tool 30 Upper case

Claims (7)

[Claims] 1. A seat seat in which a heating element is arranged below a seat that is installed at a predetermined height above the floor surface, and hot air from the heating element is supplied toward the feet of a seated person. In a heating device for a vehicle, a front plate facing the front part of the heating element, a lower plate extending rearward from a lower end of the front plate, an upper end extending upward from a rear end of the lower plate, and an upper end of the front plate. The lower case is composed of a rear plate that extends to almost the same position as the upper end of the face plate, and the upper case that covers the upper portion of the heating element and reflects the radiant heat from the heating element downward. A heating apparatus for a seat, wherein the lower case is provided so as to be separable from the lower case when the seat is removed, and the inside of the lower case is exposed to the outside. 2. The heating apparatus for a seat according to claim 1, wherein the heating element is attached to a heating element support component fixed to the lower case that covers a lower portion of the heating element. 3. The upper case has one end rotatably attached to an upper end of either the front plate or the rear plate of the lower case by a hinge, and the other end of the upper case has the lower case. The seat heating device according to claim 2, wherein the heating device is detachably attached to the upper end of the remaining one of the front plate and the rear plate. 4. The upper case has a front end rotatably attached to an upper end of a front plate of the lower case by a hinge, and holds a latching handle at a rear end of the upper case. The seat heating device according to claim 2, wherein the heating device is detachably attached by a receiving member provided on an upper end portion of the rear face plate and the hooking handle. 5. A lower surface plate of the lower case is bent in a V shape at a central portion thereof, and a horizontal member is provided inside the bent portion, and the heating element supporting component is screwed to the horizontal member. The seat seat heating device according to claim 2, wherein the screw fastening portion is located inside the bent portion so as not to be exposed to the outside. 6. The upper case is attached to a lower surface of a seat portion of a seat by a support, and the upper case is separated from the lower case by rotating the seat portion of the seat, and the inside of the lower case is removed. The seat heating device according to claim 2, wherein the heating device is exposed to the outside. 7. The upper case is mounted in close contact with the lower surface of the seat portion, and is configured so as to be substantially fused with the outer shape of the seat portion so as to rotate the seat portion. 3. The seat seat heating apparatus according to claim 2, wherein the upper case is separated from the lower case, and the inside of the lower case is exposed to the outside.