JP5274990B2 - Vehicle seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively achieve cool feeling for a sitting person by vertically moving a blower according to physical constitution such as the height of the sitting person. <P>SOLUTION: A vehicle seat includes a headrest 2 for placing the head of the sitting person and a seat back 3 for placing the back of the sitting person and having the headrest 2 mounted on an upper part so as to raise and lower the headrest 2. The headrest 2 integrally includes a headrest body 21 for receiving the head of the sitting person and a stay 22 formed in a lower part of the headrest body 21 so as to be inserted into the seat back 3 from the upper part of the seat back 3 for supporting the headrest body 21. The stay 22 is mounted with an axial flow blower 51 which moves vertically in conjunction with raising and lowering of the headrest body 21. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a vehicle seat installed in a vehicle. It is related with the vehicle seat provided with the air blower especially.

Conventionally, in a vehicle seat installed in a vehicle, in order to give a cool feeling to a seated person, one provided with a blower that blows air toward the back of the seated person is known (for example, a patent). Reference 1 and Patent Reference 2). This air blower is built in a seat back serving as a seat back of the seated person, and blows air from the inside of the seat back toward the seated person. According to the vehicle seat in which the air blower is provided in such a seat back, the seated person can enjoy a cool feeling. As a vehicle seat in which the blower is built, a blower provided with an axial fan is installed at a central portion of the seat back.
By the way, the cool feeling obtained by the blower when the seated person is seated on the vehicle seat is more effective when the wind of the blower hits the neck or shoulder of the seated person.

JP 2005-34345 A JP 2006-69376 A

However, this air blower is fixedly disposed at the central portion of the seat back, and the air blown is limited to air at a certain position.
In general, the physique of the seated person, particularly the height, is different, but the position of the wind blown from the blower is fixed. Therefore, when the seated person is seated on the vehicle seat, there is a problem that the position of the blower is different depending on the physique of the seated person, particularly the height, and the air is not blown to the neck or shoulder.
Also, at the central part of the seat back where the air blower is installed, the seated person leans against the seat back or puts a knee on the lying back and interferes with the blower in the seat back and rotates. There was a problem of being disturbed.
In order to cope with this problem, the blower is attached to a member that is elastically deformed so as to follow the bending of the central portion of the seat back.
Therefore, as a result of diligent study, the present applicant paid attention to raising and lowering the headrest that is a headrest according to the physique of the seated person, particularly, the height when the seated person sits on the vehicle seat.
In other words, focusing on the fact that there is a correlation between the height of the seated person and the adjustment of the headrest, the headrest moves up and down in conjunction with the headrest that the seated person moves up and down to adjust the height of the headrest. If it can move, the position of the blower can be adjusted according to the physique such as the height of the seated person.

  Thus, the present invention was devised in view of such points, and the problem to be solved by the present invention is to move the blower up and down according to the physique such as the height of the seated person, It is to obtain a cool feeling of the person effectively.

In order to solve the above problems, the vehicle seat according to the present invention employs the following means.
The first invention of the present invention is a vehicle seat comprising a headrest that is a headrest of a seated person and a seat back that is a backrest of the seated person and is mounted on the upper part of the headrest so that the headrest can be raised and lowered. The headrest is integrally provided with a headrest body that receives the head of the seated person, and a stay that is provided in the lower part of the headrest body and that is inserted into the seatback from the upper part of the seatback and supports the headrest body. The stay is provided with a blower, and the blower is configured to move up and down as the headrest body moves up and down. The stay extends vertically downward from the lower part of the headrest body. The fan extends so that the blower is sized to fit between the two stays, and the blower is located inside the two stays. Characterized in that it is location.

According to this 1st invention, the air blower is the structure attached to the stay which supports a headrest main body. Accordingly, when the headrest body is moved up and down in accordance with the height position of the head when the seated person is seated, the blower attached to the stay of the headrest can also move up and down in conjunction with the headrest body. Therefore, a cool feeling of a seated person can be effectively obtained by moving the blower up and down according to the height of the seated person.
Moreover, since the vertical movement of the blower can be achieved by using a headrest stay that is conventionally configured without providing a new mechanism for the vertical movement of the blower, an increase in cost can be suppressed.
The “lifting and lowering of the headrest body” refers to raising or lowering of the headrest body with respect to the seat back of the vehicle seat in a state corresponding to the seating position during driving of the vehicle.

  According to a second aspect of the present invention, in the vehicle seat according to the first aspect, the blower is installed on the stay via a bracket, and the blower and the bracket in the seat back are arranged. The arrangement configuration is such that the bracket is arranged on the seat surface side of the seat back with respect to the blower, and the blower is arranged in the arrangement positional relationship on the back side of the bracket. It is characterized by.

According to the second aspect of the invention, in the arrangement configuration of the blower and the bracket in the seat back, the bracket is arranged on the seat surface side of the seat back from the blower, and the blower is arranged on the back side of the bracket. It is an arrangement configuration that is a positional relationship. As a result, since the bracket is arranged on the seat surface side of the seat back from the blower, even if the seated person leans against the seat back or puts his knees on the lying down seat back, it does not interfere with the blower. Therefore, the blower can be protected.
Further, in order to follow the bending of the central portion of the seat back, there is no need to adopt a complicated configuration such as attaching to a member that is elastically deformed.
In addition, in the case of a vehicle seat having a configuration in which a backboard is disposed on the back side of the seat back, even if a backseat hits the knee on the back side of the seat back, the rigidity of the back board protects the blower. Can be achieved.
Here, in the arrangement configuration of the bracket and the blower, it is indicated as “the seat surface side of the seat back”. This is the surface where the back of the seated person and the seat back come into contact when the seated person sits on the vehicle seat. The “back side of the bracket” refers to the back side of the bracket in the same direction as the back side of the seat back in the seat back.

The present invention can obtain the following effects by taking the measures of the above inventions.
First, according to the vehicle seat of the first aspect, the cooler can be effectively obtained by moving the blower up and down according to the physique such as the height of the seated person. Moreover, since the vertical movement of the blower can be achieved by using a headrest stay that is conventionally configured without providing a new mechanism for the vertical movement of the blower, an increase in cost can be suppressed.
Next, according to the vehicle seat of the second aspect of the invention, since the bracket is disposed on the seat surface side of the seat back from the blower, the seated person leans against the seat back or is in a lying state. Even if a knee is put on the back, it does not interfere with the blower, and the blower can be protected. Further, in order to follow the bending of the central portion of the seat back, there is no need to adopt a complicated configuration such as attaching to a member that is elastically deformed.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is an exploded perspective view showing components of a seat back of a vehicle seat according to the present embodiment.
FIG. 2 is a perspective view showing the mounting configuration of the blower as viewed from the back side of the vehicle seat according to the present embodiment.
The vehicle seat of this embodiment is characterized by a seat back 3 that is mounted on the upper portion of the headrest 2 so that the headrest 2 can be moved up and down. The other parts do not need to be changed and will not be described. Therefore, in FIG. 1, illustration of the configuration of the seat cushion and the reclining mechanism is omitted. In FIG. 2, in order to illustrate the mounting structure of the blower, the seat cushion, the reclining mechanism, the net as the seat skin, and the backboard are omitted from the components configured in the vehicle seat.
In each figure, F and U indicated by arrows indicate the front and upper sides of the vehicle seat 1.

The vehicle seat 1 according to the present embodiment is employed in any of a driver seat, a passenger seat, a second seat, and a rear seat disposed in the third row of the front seat of the vehicle. In addition, the vehicle seat 1 of the present embodiment shows the configuration in the passenger seat of the front seat of the vehicle. Further, the vehicle seat 1 in this embodiment will be described by taking as an example a net seat that elastically supports a seated person's load by a net 6 stretched on the back frame 31.
As shown in FIG. 1, a vehicle seat 1 is installed in a vehicle and generally includes a headrest 2 that serves as a headrest of a seated person, a seatback 3 that serves as a backrest of the seated person, and a seating. And a seat cushion (not shown) on which a person sits.

The headrest 2 will be described.
As shown in FIG. 1, the headrest 2 is configured as a headrest of a seated person, and is mounted on the upper part of the seat back 3 so as to slide up and down with respect to the seat back 3. is there. The headrest 2 includes a headrest body 21 that receives the head of the seated person, a stay 22 that is provided in the lower part of the headrest body 21 and that is inserted into the seatback 3 from the upper part of the seatback 3 to support the headrest body 21; It is configured with. The stay 22 is configured to be attached with a blower 5 described later.

  The headrest body 21 includes a pad formed of an appropriate urethane resin. The stays 22 are constituted by metal bars that extend vertically downward from the lower part of the headrest body 21, and two stays are provided at appropriate intervals. The two stays 22 are fitted into a stay support 361 that is inserted into a support holder 36 described later so as to be slidable in the vertical direction. It is supposed to be fixed. Moreover, the air blower 5 demonstrated later is extended and formed so that attachment is possible.

The seat back 3 will be described.
As shown in FIG. 1, the seat back 3 is configured to have a reclining function (not shown), and generally includes a back frame 31, a support holder 36, a net 6, and a back board 7. It is prepared for. The seat back 3 includes a back frame 31 having a skeleton, and a net 6 such as a woven fabric or a knitted fabric formed in a mesh shape is stretched on the front side of the back frame 31. The net 6 forms a rounded surface that can elastically support the load of the seated person.

The back frame 31 will be described.
As shown in FIGS. 1 and 2, the back frame 31 constitutes a framework of the seat back 3. Specifically, a metal plate member is formed into a substantially square frame shape by drawing. And the front-end part is formed in the outward direction of the seat back 3, and the groove part 32 opened to back is provided. The groove 32 is for engaging with an engaging member (not shown) provided on the periphery of the net 6 in order to stretch the net 6 on the front side of the back frame 31.

  Two support holders 36 into which the stays 22 of the headrest 2 to be described later can be fitted are provided in the upper frame portion 311 located on the upper side of the substantially square frame shape of the back frame 31. Specifically, the two support holders 36 have an appropriate tube shape corresponding to the interval between the stays 22 described above. A support 361 for stay is fixedly inserted into the support holder 36 for determining and fixing the position of the stay 22 when the stay 22 is inserted and fitted. The stay 22 of the headrest 2 is inserted into the support holder 36 (specifically, the stay support 361), and the stay 22 is fixedly supported. As a result, the headrest 2 itself is fixedly supported.

Next, the net 6 will be described.
As shown in FIG. 1, the net 6 has a net 6 such as a woven fabric or a knitted fabric formed in a mesh shape on the front side of the back frame 31 to elastically support the load of the seated person. It constitutes a curved surface that can be made. The net 6 is attached to the front surface of the back frame 31 in a tensioned state. The net 6 has an attachment structure (not shown) provided on the periphery of the net 6 and a groove 32 provided on the back frame 31. It is established by the relationship.
Specifically, the net 6 has a resin engaging member sewn along the periphery. The net 6 is disposed on the front side of the back frame 31, and the engaging member is located at the periphery of the net 6 with respect to the groove portion 32 of the back frame 31 that is open on the side opposite to the side on which the net 6 is disposed. It is attached to the back frame 31 by being inserted so as to be wound.

Next, the backboard 7 will be described.
As shown in FIG. 1, the backboard 7 is disposed on the back side of the seat back 3 and constitutes a design surface on the back side of the seat back 3. Further, the rigidity of the backboard 7 prevents an impact from the back side of the seat back 3 (for example, when a backseat hits the back side of the seat back 3) and protects the axial blower 51. At the same time, this shock is not transmitted to the seated person. The backboard 7 is a plate-like member formed of a synthetic resin, and has an outer shape that is substantially the same as that of the back frame 31 and is configured to cover the entire back side of the seat back 3. The net 6 is fixed by being fitted to the back side of the seat back 3, which is the opposite side to the attachment surface side.

Next, the blower 5 will be described.
This blower 5 is for giving a cool feeling to a seated person by sending air toward the back of the seated person.
As shown in FIG. 1 and FIG. 2, the blower 5 generally includes an axial blower 51 as a blower that blows out, and a bracket 52 for attaching the axial blower 51 to the stay 22 of the headrest 2. Configured. That is, the blower 5 is installed on the stay 22 of the headrest 2 via the bracket 52. In addition, as this axial flow type fan 51, the axial flow fan of the magnitude | size which fits in the space | interval of the above-mentioned two stays 22 is selected.

The bracket 52 is formed of a metal plate-like member having a size capable of spanning between the two stays 22 described above. Bolt mounting holes 522 are formed at the four corners of the bracket 52. A bracket mounting hole 221 is formed in the stay 22 of the headrest 2 at a position corresponding to the bolt mounting hole 522. The bracket 52 is attached to the stay 22 of the headrest 2 by inserting the bolt 55 into the bolt attachment hole 522 and the bracket attachment hole 221 and fastening with the nut 56.
A through hole 521 having substantially the same shape as that of the fan portion of the axial blower 51 is formed at a substantially central portion of the bracket 52.

Next, an arrangement configuration of the axial blower 51 and the bracket 52 in the seat back 3 will be described.
As shown in FIGS. 1 and 2, the bracket 52 attached to the stay 22 of the headrest 2 is disposed on the seat surface side of the seat back 3 with respect to the axial flow fan 51.
The axial blower 51 is fixed by screws 57 in an arrangement configuration that is arranged on the back side of the bracket 52. Thereby, it has composition which can blow off the wind blown from axial flow type air blower 51 to the sheet surface side which supports a seated person.

The vehicle seat 1 configured as described above can provide the following operational effects.
According to the vehicle seat 1, the axial flow fan 51 is attached to the stay 22 that supports the headrest body 21. Thus, when the headrest body 21 is moved up and down in accordance with the height of the head when the seated person is seated, the axial blower 51 attached to the stay 22 of the headrest 2 can also move up and down in conjunction with it. it can. Therefore, the axial flow blower 51 can be arranged on the neck and shoulders of the seated person according to the physique of the seated person, particularly the height, and the wind of the axial flow blower 51 can be placed on the neck or shoulder of the seated person. It can be applied to. Thus, the seated person can obtain a cool feeling more effectively.
Further, since the vertical flow of the axial flow fan 51 can be achieved by using the stay 22 of the headrest 2 configured conventionally without providing a new mechanism for the vertical flow of the axial flow fan 51, the cost is reduced. An increase in the surface can be suppressed.
As shown in FIG. 1, when the headrest body 21 is moved up and down, the upward U direction in FIG. 1 is the upward direction of the headrest body 21, and the opposite direction to the upward U direction in FIG. 1 is the headrest body. 21 in the downward direction.

Further, according to the vehicle seat 1, the arrangement configuration of the axial flow fan 51 and the bracket 52 in the seat back 3 is such that the bracket 52 is disposed closer to the seat surface side of the seat back 3 than the axial flow fan 51. In this arrangement, the axial blower 51 has an arrangement positional relationship on the back side of the bracket 52. Accordingly, since the bracket 52 is disposed on the seat surface side of the seat back 3 with respect to the axial flow fan 51, the seated person leans against the seat back 3 or puts his knees on the seat back 3 in a lying state. The axial flow fan 51 can be protected without interfering with the axial flow fan 51.
Further, in order to follow the bending of the central portion of the seat back 3, there is no need to adopt a complicated configuration such as attaching to a member that is elastically deformed.
Further, in the case of the vehicle seat 1 having the configuration in which the backboard 7 is disposed on the back side of the seat back 3, even if the backseat hits the back side of the seat back 3, The axial blower 51 can be protected by the rigidity.
As shown in FIG. 1, in the arrangement configuration of the bracket 52 and the axial flow fan 51, the F direction in the drawing of FIG. 1 is the seat surface side direction of the seat back 3. Further, the direction opposite to the F direction in FIG. 1 is the direction on the back side of the bracket 52 (in the seat back 3, the same direction as the back side of the seat back 3).

In addition, in the vehicle seat which concerns on this invention, it is not limited to above-described embodiment, In the range which does not change the summary of this invention, it can change suitably.
For example, in the vehicle seat 1 of the above-described embodiment, the vehicle seat 1 includes the headrest 2, the seat back 3, and the seat cushion. However, as the vehicle seat according to the present invention, An armrest or the like may be added to this.

Further, in the vehicle seat 1 of the above-described embodiment, an axial fan is selected as the axial flow fan 51, but as a blower provided in the vehicle seat according to the present invention, Without being limited to the above, an axial blower may be selected.
Furthermore, the blower that gives a cool sensation to the seated person is not limited to that of the axial flow fan 51 that blows out.
That is, not only the method of blowing air toward the back of the seated person but also when the seated person sits on the vehicle seat, the back of the seated person and the seat back 3 It may be an intake type that sucks in heat accumulated in the seat surface of the seat back 3, which is a contact surface, moisture, etc., and discharges it to the outside.
The intake type may be configured such that the mounting direction of the axial flow type blower is reversed, and the blowing direction is blown to the back side of the seat back 3 instead of the seat surface side of the seat back 3. Further, the air intake of the centrifugal blower may be arranged so as to be directed toward the seat surface side of the seat back 3.
As this centrifugal blower, a centrifugal fan (sirocco fan) or a centrifugal blower provided with appropriate multi-blades may be selected.

  Further, in the vehicle seat 1 of the above embodiment, the axial blower 51 attached to the bracket 52 has one configuration. The thing of the structure which ventilates to multiple places with respect to the back | bag's back may be sufficient. In addition, the configuration of the plurality of arrangements may be various combinations of the above-described axial flow fan, centrifugal blower blowing type, and intake type.

Moreover, in the vehicle seat 1 of the above-described embodiment, the bracket 52 is formed by a metal plate-like member, but the bracket provided on the vehicle seat according to the present invention is here. The material is not limited and may be any material as long as it has rigidity. For example, the material may not be made of metal but may be made of synthetic resin. Moreover, it is not limited to a flat plate shape, and the bracket may be curved in accordance with the shape of the curved surface of the seat back.
Further, in the vehicle seat 1 of the above-described embodiment, as a configuration for mounting the bracket 52, a configuration in which the bracket 52 is fastened and attached to the stay 22 of the headrest 2 by the bolt 55 and the nut 56 is shown. It is not limited, and it is only necessary to be rigidly connected by various attachment methods, and for example, welding may be used.

Moreover, in the vehicle seat 1 of the above-described embodiment, the net seat has been described, but the vehicle seat according to the present invention may be a vehicle seat composed of a pad member.
That is, the pad member of the seat back may be provided with a through hole at a position corresponding to the range in which the blower moves up and down to blow or blow intake air toward the back of the seated person.
In such a case as well, various combinations of a blow-out type and an intake-type using an axial flow type blower, a centrifugal blower, and the like can be applied.
Further, in the vehicle seat 1 of the above embodiment, the headrest 2 has been described as having a pad member structure, but the headrest is not limited to this configuration, and the headrest has a net seat configuration like the seat back 2. It may be a thing.

    Further, in the vehicle seat 1 of the above embodiment, the lifting means of the headrest body 21 has a manual configuration, but the lifting means of the headrest body 21 provided in the vehicle seat according to the present invention is as follows. It can also be applied to electric ones.

It is the disassembled perspective view which showed each component of the seat back of the vehicle seat which concerns on a present Example. It is the perspective view which showed the attachment structure of the air blower seen from the back side of the vehicle seat which concerns on a present Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Headrest 21 Headrest main body 22 Stay 221 Bracket attachment hole 3 Seat back 31 Back frame 311 Upper frame part 32 Groove part 36 Support holder 361 Stay support 5 Blower 51 Axial flow type fan 52 Bracket 521 Through hole 522 Bolt attachment Hole 55 Bolt 56 Nut 57 Screw 6 Net 7 Backboard

Claims (2)

A vehicle seat comprising a headrest that is a headrest of a seated person, and a seat back that is a backrest of the seated person and is mounted on the top of the headrest so that the headrest can be raised and lowered.
The headrest is integrally provided with a headrest body that receives a head of a seated person and a stay that is provided at a lower portion of the headrest body and that is inserted into the seatback from the upper portion of the seatback and supports the headrest body. And
A fan is attached to the stay, and the fan is configured to move up and down as the headrest body moves up and down .
Two stays extend vertically downward from the lower part of the headrest body,
The blower is sized to fit in the interval between the two stays,
The vehicle seat, wherein the blower is installed inside the two stays . The vehicle seat according to claim 1,
The blower is configured to be installed on the stay via a bracket,
The arrangement configuration of the blower and the bracket in the seat back is such that the bracket is arranged on the seat surface side of the seat back from the blower, and the blower is arranged on the back side of the bracket. A vehicle seat characterized in that the arrangement is in a positional relationship.

Images