WO2013137394A1 - 乗物用シート - Google Patents
乗物用シート Download PDFInfo
- Publication number
- WO2013137394A1 WO2013137394A1 PCT/JP2013/057201 JP2013057201W WO2013137394A1 WO 2013137394 A1 WO2013137394 A1 WO 2013137394A1 JP 2013057201 W JP2013057201 W JP 2013057201W WO 2013137394 A1 WO2013137394 A1 WO 2013137394A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vibration unit
- pressure receiving
- receiving member
- seat back
- vehicle seat
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
- A61H23/0254—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor
- A61H23/0263—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive with rotary motor using rotating unbalanced masses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/976—Details or parts not otherwise provided for massaging systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0149—Seat or chair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
- A61H2201/1215—Rotary drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1623—Back
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1654—Layer between the skin and massage elements, e.g. fluid or ball
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/081—Back
Definitions
- the present invention relates to a vehicle seat including at least a seat cushion and a seat back, and more particularly to a vehicle seat that can transmit vibration from the seat back to the upper body of an occupant seated on the seat cushion.
- Patent Document 1 As a vehicle seat provided with a seat cushion and a seat back, a vehicle seat in which a vibrator for applying massage vibration to the upper body of an occupant seated on the seat cushion is incorporated in the seat back is generally known (for example, Patent Document 1).
- the upper and lower reinforcing frames are stretched from side to side with respect to the seat back frame constituting the skeleton of the seat back, and the frame body is clipped on the upper and lower reinforcing frames.
- a vibrator is attached to the frame body via a spring member.
- vibration unit interferes with surrounding members, abnormal noise may be generated or the occupant may feel uncomfortable, so it is desirable to make the vibration unit difficult to interfere with surrounding members.
- the present invention has been made in view of the technical background as described above, and can efficiently transmit desired vibrations from the seat back to the upper body of the occupant seated on the seat cushion. It is an object of the present invention to provide a vehicle seat that does not easily interfere with surrounding members and can reduce the number of parts.
- a vehicle seat of the present invention that solves the above-described problems is a vehicle seat that includes a seat cushion and a seat back, and the seat back is disposed inside a seat back frame that constitutes a skeleton and the seat back frame.
- An occupant seated on a seat cushion having a pressure receiving member that supports the upper body of the occupant, an elastic support member that elastically supports the pressure receiving member on the seat back frame, and a covering member that covers the seat back frame and the pressure receiving member
- the pressure receiving member moves backward to sink the upper body of the occupant into the seat back, and the pressure receiving member is provided with a vibration unit. It is characterized by.
- the vehicle seat according to the present invention is configured to receive a load from the occupant's upper body and to sink the occupant's upper body into the seat back when a backward movement load acts on the seat back.
- a vibration unit is attached to a member to which sufficient pressure is applied from the upper body. Therefore, if the vibration unit operates while the upper body of the occupant seated on the seat cushion is supported by the seat back, the vibration generated by the vibration unit is directly transmitted to the entire pressure receiving member that receives the load from the upper body of the occupant. Then, it is efficiently transmitted from the pressure receiving member to the occupant's upper body through the covering member. Further, since the spring member is not necessary for attaching the vibration unit to the pressure receiving member, the number of parts can be reduced.
- the covering member of the present invention includes a cushion pad, a skin provided outside the cushion pad, a back cover that covers the back side of the seat, and the like.
- the interference between the vibration unit and the covering member is suppressed between the vibration unit and the covering member so that the vibration unit and the covering member are stably operated by suppressing the interference between the vibration unit and the covering member.
- an interference suppression member is provided.
- the interference suppression member can be a first cover member that covers the vibration unit. With such a configuration, the vibration unit can be stably operated. Furthermore, when the interference suppressing member is configured by the first cover member that covers the vibration unit, the vibration unit can be operated more stably while the structure is simple.
- a recess may be formed integrally with the pressure receiving member, and at least a part of the vibration unit may be accommodated in the recess.
- rigidity of the pressure receiving member is increased, and interference between a part of the vibration unit and the covering member is suppressed.
- the vehicle seat can be made compact by utilizing the space in the recess.
- the vibration unit may be arranged behind the pressure receiving surface of the pressure receiving member. In such a configuration, the uncomfortable feeling that the vibration unit comes into contact with the upper body of the occupant is eliminated.
- the vibration unit can employ various vibration methods such as an electromagnetic method, an eccentric cam method, and a low frequency speaker method.
- it can be set as the vibration motor by which the eccentric weight was attached to the rotating shaft extended from the motor main body.
- the first cover member that covers the vibration motor has a motor cover portion that covers the motor body, and a weight cover portion that projects outward from the motor cover portion and covers the rotation region of the eccentric weight.
- the motor cover portion of the first cover member covers the motor main body of the vibration unit, and the weight cover portion of the first cover member projects outward from the motor cover portion to rotate the eccentric weight of the vibration unit. Since the region is covered, the first cover member can be made compact, and even if the eccentric weight vibrates, it can be prevented from interfering with the covering member.
- the pressure receiving member has a recess opening forward, a mounting bracket for the pressure receiving member is attached to the vibration unit, and the mounting bracket is received in the recess of the pressure receiving member. It can be set as the structure attached to the circumference
- the attachment member for attaching an attachment bracket can be set as the structure by which the attachment member for attaching an attachment bracket was insert-molded around the recessed part of the pressure receiving member.
- the mounting work of the mounting bracket is facilitated, and the rigidity of the pressure receiving member can be increased to efficiently transmit the vibration of the vibration unit to the entire pressure receiving member.
- it can be set as the structure comprised by two linear members arrange
- the elastic support member may be provided so as to connect the left and right portions of the seat back frame, and the holding portion of the pressure receiving member that holds the elastic support member may be arranged side by side with the vibration unit.
- the pressure receiving member since the pressure receiving member holds the elastic support member in a portion where a large vibration of the pressure receiving member occurs, generation of noise due to interference between the pressure receiving member and the linear member is suppressed when the vibration unit vibrates. Is done.
- the vibration unit may be configured to be attached to the elastic support member in a state in which the longitudinal direction of the attachment portion is oriented in a direction intersecting the spanning direction of the elastic support member.
- a narrow range of the elastic support member that elastically supports the pressure receiving member on the seat back frame can be vibrated by the vibration unit, so that the elastic support member can be vibrated more greatly. Thereby, vibration efficiency can be improved.
- the vehicle seat is disposed between the left and right seat back side frames constituting the left and right frames of the seat back and the left and right seat back side frames, and is hung in the left and right direction between the left and right seat back side frames.
- a plate-like pressure receiving member attached to the left and right seat back side frames via a support wire serving as an elastic support member, and the vibration unit receives pressure in a state where the longitudinal direction of the attachment portion is directed in the vertical direction. It can also be set as the structure attached to the left-right direction center part of the rear surface of a member.
- the vibration unit is attached to the rear surface of the pressure receiving member, the vibration unit can be easily and stably attached as compared with the case where the vibration unit is directly attached to the elastic support member.
- the pressure receiving member is curved so that the rear surface is recessed in the longitudinal section, and the vibration unit can be configured to be attached to the center in the vertical direction of the rear surface of the pressure receiving member. According to such a structure, since the protrusion amount to the back of a vibration unit can be suppressed, the enlargement to the front-back direction of the sheet
- a vehicle seat is a vehicle seat including a seat cushion and a seat back, and the seat back is stretched between a seat back frame constituting a skeleton and an inner side of the seat back frame.
- the elastic support member is capable of bending and deforming, and a vibration unit that vibrates the occupant, and the vibration unit is configured such that the longitudinal direction of the mounting portion is oriented in a direction crossing the spanning direction of the elastic support member. It is attached to.
- the vehicle seat according to another aspect of the present invention is configured to receive the load from the upper body of the occupant and sink the upper body of the occupant in the seat back when a backward movement load acts on the seat back.
- the vibration unit is attached to a member to which sufficient pressure is applied from the upper body of the occupant. Therefore, if the vibration unit operates while the upper body of the occupant seated on the seat cushion is supported by the seat back, the vibration generated by the vibration unit is directly transmitted to the entire pressure receiving member that receives the load from the upper body of the occupant. And efficiently transmitted to the upper body of the occupant.
- the spring member is not necessary for attaching the vibration unit to the pressure receiving member, the number of parts can be reduced.
- the narrow range of the elastically deformable elastic support member stretched inside the seat back frame can be vibrated by the vibration unit, the elastic support member can be vibrated more greatly. Thereby, vibration efficiency can be improved.
- the vehicle seat is disposed between the left and right seat back side frames constituting the left and right frames of the seat back and the left and right seat back side frames, and is hung in the left and right direction between the left and right seat back side frames.
- a plate-like pressure receiving member attached to the left and right seat back side frames via a support wire serving as an elastic support member, and the vibration unit receives pressure in a state where the longitudinal direction of the attachment portion is directed vertically. It can also be set as the structure attached to the left-right direction center part of the rear surface of a member.
- the vibration unit is attached to the rear surface of the pressure receiving member, the vibration unit can be easily and stably attached as compared with the case where the vibration unit is directly attached to the elastic support member.
- FIG. 1 is a perspective view of a vehicle seat showing an embodiment of a vehicle seat according to the present invention.
- FIG. 2 is a front perspective view of a seat cushion frame and a seat back frame built in the vehicle seat shown in FIG. 1. It is a rear view of the seat back frame shown in FIG. It is a front side perspective view of the pressure receiving member shown in FIG.
- FIG. 5 is a rear perspective view of the pressure receiving member shown in FIG. 4.
- FIG. 3 is an exploded perspective view seen from the front side of the pressure receiving member and the second cover member shown in FIG. 2.
- FIG. 7 is an enlarged perspective view of the vibration unit shown in FIG. 6.
- FIG. 6 is a partial enlarged perspective view showing a vibration unit and a first cover member attached to a back surface of a pressure receiving member as viewed from the left side as a modification of the vehicle seat according to the embodiment.
- FIG. 9 is a partially enlarged perspective view showing the vibration unit and the first cover member shown in FIG. 8 as viewed from the right side.
- FIG. 6 is a partially enlarged perspective view showing a vibration unit and a first cover member attached laterally on the back surface of a pressure receiving member as viewed from the right side as another modified example of the vehicle seat of one embodiment. It is a rear view of the seat back frame concerning another modification. It is sectional drawing along the XX line of FIG.
- the vehicle seat according to the embodiment is configured as a vehicle seat S disposed in a driver's seat of an automobile.
- the vehicle seat S includes a seat cushion S1, a seat back S2, and a headrest S3 in which a cushion pad made of a cushion material such as urethane foam is covered with an outer skin such as synthetic leather or fabric.
- the cushion pad, the skin, and the back cover that covers the back of the vehicle seat S in this skin are examples of the covering member.
- the front-rear and left-right directions are directions viewed from the occupant assuming a state in which the occupant is seated on the seat cushion S1.
- the seat cushion S1 incorporates a seat cushion frame F1 constituting the skeleton
- the seat back S2 incorporates a seat back frame F2 constituting the skeleton
- the headrest S3 also incorporates a headrest frame that constitutes the skeleton thereof.
- the seat cushion frame F1 is press-molded in a substantially U shape with the rear portion opened in plan view, and has a plate-like front frame 11 at the front portion.
- the rear portions of the cushion side frames 12, 12 extending rearward from the left and right portions of the front frame 11 are connected to the left and right via a rear connection pipe 13.
- four seat cushion springs 14 are stretched side by side between the rear connecting pipe 13 and the front frame 11.
- Such a seat cushion frame F1 is provided on the floor of the driver's seat so that the position can be adjusted in the front-rear direction via the slide rail SL.
- the seat back frame F2 is welded in a state where the upper pipe frame 21 formed by bending a pipe material into an inverted U shape with the lower portion opened in a front view and the left and right lower portions of the upper pipe frame 21 are held.
- the left and right seat back side frames 22 and 22 are connected to each other, and the lower frame 23 is connected to the lower end portions of the seat back side frames 22 and 22 and is framed in a vertically long rectangle.
- the lower part of such a seat back frame F2 is rotatably connected to the rear end part of the left and right cushion side frames 12, 12 of the seat cushion frame F1 via a reclining unit RU, so that the seat back The frame F2 can be tilted back and forth.
- a pair of left and right support brackets 24 for mounting a pair of left and right headrest stays (not shown) protruding from the lower portion of the headrest S3 shown in FIG. 1 are provided on the horizontal portion of the upper part of the upper pipe frame 21 of the seat back frame F2. 24 is fixed by welding. Further, between the upper portions of the left and right vertical portions of the upper frame 21, a reinforcing member 25 is installed on the upper portion of the pressure receiving member 30. The reinforcing member 25 is formed by bending a rod into a symmetrical shape substantially along the plane of the seat back frame F2.
- a pressure receiving member 30 for supporting the upper body of the occupant seated on the seat cushion S ⁇ b> 1 so as to be elastically retractable is provided inside the frame-like seat back frame F ⁇ b> 2.
- an upper support wire 26 as an elastic support member is stretched between the lower portions of the left and right vertical portions of the upper frame 21, and the left and right seat back sides
- a lower support wire 27 as an elastic support member is stretched between the frames 22 and 22.
- the upper support wire 26 and the lower support wire 27 are linear members obtained by bending a wire such as a piano wire having spring elasticity into a bilaterally symmetric shape substantially along the plane of the seat back frame F2.
- the upper support wire 26 is bent downward so that the left and right ends are along the left and right vertical portions of the upper frame 21. Then, the left and right end portions of the upper support wire 26 are respectively held by the left and right vertical portions of the upper frame 21 while being held by the support tongues 28 and 28 which are welded and fixed to the left and right vertical portions of the upper frame 21, respectively. Connected and supported.
- the upper support wire 26 is located at a position where the intermediate portion supporting the pressure receiving member 30 is lower than both ends connected to and supported by the left and right support tongues 28, 28. It is bent in a mountain shape in the vertical direction so that the central support portion 26B is higher than 26A.
- the left and right ends of the lower support wire 27 are connected to toggle support mechanisms (only the right side is shown in FIG. 2) 40 installed on the inner surfaces of the left and right seat back side frames 22 and 22, respectively.
- the lower support wire 27 is located at a position where the intermediate portion supporting the pressure receiving member 30 is lower than both ends connected to the toggle support mechanism 40, and in the middle portion, the support portions in the middle of the support portions 27A and 27A on both sides.
- the portion 27B is bent in a mountain shape in the vertical direction so as to be at a low position.
- the toggle support mechanism 40 includes a swing link member that can swing backward while overcoming a thought point (a point in the mechanism where movement is not determined) while resisting the tension of the tension coil spring.
- the left and right ends of the lower support wire 27 are connected to the swing link member.
- the tension of the tension coil spring of the toggle support mechanism 40 is such that when the backward movement load of a predetermined value or more is applied to both ends of the lower support wire 27, the swing link member can swing back beyond the thought point. Such an appropriate tension is set.
- the pressure receiving member 30 is a plate member made of resin for supporting the upper body of the occupant seated on the seat cushion S1 so as to be able to move backward and elastically.
- the shape as shown in FIGS. That is, it is formed into a substantially pentagonal shape with the apex facing downward.
- hook-shaped holding portions 30A and 30A that are engaged with the left and right support portions 26A and 26A of the upper support wire 26 shown in FIG.
- a hook-shaped holding portion 30B that engages with the central support portion 26B from below is integrally formed.
- hook-shaped holding portions 30C and 30C that engage with the left and right support portions 27A and 27A of the lower support wire 27 shown in FIG.
- a hook-shaped holding portion 30 ⁇ / b> D that engages with the central support portion 27 ⁇ / b> B of 27 from below is integrally formed.
- the pressure receiving member 30 is integrally formed with a housing recess 30 ⁇ / b> E for housing the vibration unit 50.
- the housing recess 30E opens to the front surface (front surface) of the pressure receiving member 30 and bulges to the rear surface (rear surface).
- the shape of the front view is a horizontally long rectangle.
- nuts N as an attachment member for attaching a mounting bracket 54 to be described later are embedded and embedded at four corners of the rectangular opening of the receiving recess 30E of the pressure receiving member 30.
- the bottom portion of the housing recess 30E functions as a first cover member (interference suppression member), and suppresses interference between the vibration unit 50, the cushion pad that covers the rear side of the seat back frame F2, and the vibration unit 50. ing.
- the vibration unit 50 includes a drive motor (actuator) 51, a vibration weight 53 attached to the rotating shaft 52 of the drive motor 51, and a mounting bracket 54 attached to the drive motor 51.
- the vibration weight 53 is formed by stacking a plurality of fan-shaped plates and integrated into a fan-shaped block shape in front view, and the rotation shaft 52 is attached to a position eccentric from the center of gravity so that the rotation shaft 52 rotates. As a result, vibration of a predetermined frequency is generated.
- the vibration generated by the vibration unit 50 can be set to an appropriate frequency that gives the occupant seated on the seat cushion S1 a massage effect, an awakening effect, and the like by changing the rotation speed of the drive motor 51.
- operation of the vibration unit 50 can be installed in the driver's seat ahead of the vehicle seat S, for example.
- the mounting bracket 54 has bolt insertion holes 54A that match at least three of the four nuts N of the pressure receiving member 30 shown in FIG.
- the cover plate 55 attached to the front surface (front surface) of the pressure receiving member 30 together with the mounting bracket 54 is provided as a second cover member (interference suppression member).
- the cover plate 55 is a rectangular plate member having a size covering the receiving recess 30E of the pressure receiving member 30, and bolt insertion holes 55A that match the four nuts N are formed at the four corners.
- Such a cover plate 55 is placed on the front surface (front surface) of the pressure receiving member 30 by four bolts B screwed into the four nuts N of the pressure receiving member 30 through the bolt insertion holes 55A and the bolt insertion holes 54A of the mounting bracket 54. It is attached and covers the accommodation recess 30E. Thereby, the vibration unit 50 is attached to the pressure receiving member 30 without the spring member interposed therebetween. For this reason, the number of parts can be reduced.
- the vehicle seat S shown in FIG. 1 is arranged in the driver's seat, during normal operation when the pressing force acting on the seat back S2 from the upper body of the occupant seated on the seat cushion S1 is within a predetermined range, or when the vehicle is stopped At times, the upper support wire 26 and the lower support wire 27 shown in FIGS. 2 and 3 are elastically deformed rearward moderately, so that the upper body of the occupant is appropriately submerged in the seat back S2 and held in a stable driving posture. Is done.
- the vibrations generated by the vibration unit 50 in order to give the occupant seated on the seat cushion S1 a massage effect, an awakening effect, etc. Can be transmitted efficiently.
- the vibration unit 50 is housed in the housing recess 30 ⁇ / b> E that protrudes toward the rear surface (back surface) side of the pressure receiving member 30, and the vibration unit 50 is disposed behind the front surface that is the pressure receiving surface of the pressure receiving member 30.
- the uncomfortable feeling that the vibration unit 50 contacts the upper body of the occupant supported by the seat back S2 can be eliminated.
- the cover plate 55 is attached (fixed) around the housing recess 30E of the pressure receiving member 30 together with the mounting bracket 54 of the vibration unit 50, and therefore the vibration unit 50 and the cushion pad
- the vibration unit 50 can be stably operated by suppressing interference with (not shown).
- the cover recessed part 30E in which the vibration unit 50 was accommodated is covered with the cover plate 55, it can suppress that dust enters into the accommodation recessed part 30E.
- the bottom part of the accommodation recessed part 30E functions as a 1st cover member (interference suppression member), and it suppresses that the vibration unit 50 and the cushion pad which covers the back side of the seat back frame F2, and the vibration unit 50 interfere. To do.
- the nut N which is a mounting member for mounting the mounting bracket 54 of the vibration unit 50, is insert-molded around the opening of the receiving recess 30E of the pressure receiving member 30, the mounting work of the mounting bracket 54 is easily performed. Moreover, the rigidity of the pressure receiving member 30 can be increased and the vibration of the vibration unit 50 can be efficiently transmitted to the entire pressure receiving member 30.
- the vibration unit 50 is disposed at a position where it does not overlap with the upper support wire 26 and the lower support wire 27, that is, at a height position between the upper support wire 26 and the lower support wire 27, the vibration unit 50 is assembled. Sometimes the upper support wire 26 and the lower support wire 27 do not get in the way, and the assembly workability of the vibration unit 50 can be improved.
- an upper support wire 26 and a lower support wire 27 are provided so as to connect the left and right portions of the seat back frame F2, and a hook-shaped holding portion 30B that engages with a central support portion 26B of the upper support wire 26 from below.
- a hook-shaped holding portion 30D that engages with the central support portion 27B of the lower support wire 27 from below are arranged side by side above and below the vibration unit 50, and a large vibration of the pressure receiving member 30 is generated. Since the pressure receiving member 30 holds the upper support wire 26 and the lower support wire 27 in the portion, when the vibration unit 50 vibrates, the pressure receiving member 30 interferes with the upper support wire 26 and the lower support wire 27 that are linear members. It is possible to suppress the generation of abnormal noise.
- the vehicle seat S as one embodiment of the vehicle seat according to the present invention has been described above, but the vehicle seat according to the present invention is not limited to the vehicle seat S according to the embodiment, and the structure thereof. Can be appropriately changed.
- the same reference numerals are given to the same components as those in the above-described embodiment, and the description thereof is omitted.
- the pressure receiving member 30 may form a plurality of vertical beads 30 ⁇ / b> F and horizontal beads 30 ⁇ / b> G that bulge to the rear surface (back surface) side.
- the rigidity of the pressure receiving member 30 is increased by the presence of the plurality of vertical beads 30F and horizontal beads 30G, the vibration generated by the vibration unit 50 can be transmitted to the entire pressure receiving member 30.
- the vibration unit 50 can be installed on the rear surface (rear surface) side of the pressure receiving member 30 in a vertical direction with the rotation axis facing the vertical direction.
- the motor cover portion 56A that covers the drive motor 51 and the motor cover portion 56A are disposed outside the motor cover portion 56A.
- the motor cover portion 56A can be bent from the weight cover portion 56B to project outward in a stepped shape.
- the cover member 56 is attached to the pressure receiving member 30 by fastening together with the mounting bracket 57 of the vibration unit 50.
- the vibration unit 50 can be installed on the rear surface (rear surface) side of the pressure receiving member 30 with the rotation axis facing sideways in the left-right direction.
- the motor cover portion 58A that covers the drive motor 51 and the outside of the motor cover portion 58A.
- the cover member 58 is attached to the pressure receiving member 30 by fastening together with the mounting bracket 59 of the vibration unit 50.
- part of the vibration unit 50 enters a recess formed between the two horizontal beads 30G arranged vertically, so that the space in the recess can be used effectively, so that the vehicle seat S can be used. Can be made compact.
- the back cover (covering member) that covers the rear side of the seat back frame F2 may interfere with the vibration unit 50. It is suppressed.
- the cover members 56 and 58 are composed of the motor cover portions 56A and 58A and the weight cover portions 56B and 58B, it is possible to reduce the interference and prevent interference with the back cover even if the eccentric weight vibrates. can do.
- the rigidity of the cover members 56 and 58 can be made high if the weight cover parts 56B and 58B protrude from the motor cover parts 56A and 58A.
- the vibration unit 50 is fixed to the rear surface of the pressure receiving member 30, so that the vibration unit 50 is attached to the upper support wire 26 and the lower support wire 27 via the pressure receiving member 30. ing. More specifically, the vibration unit 50 is attached to the center portion in the left-right direction on the rear surface of the pressure receiving member 30 in the state where the longitudinal direction of the mounting portion 64B of the mounting bracket 64 is directed in the vertical direction. It has been.
- the vibration unit 50 is attached to the upper and lower support wires 26 and 27 via the pressure receiving member 30, when viewed from the rear, the position avoiding the upper support wire 26 and the lower support wire 27, specifically Are attached to the rear surface of the pressure receiving member 30 between the upper support wire 26 and the lower support wire 27 in the vertical direction.
- a bead portion 41 is formed in the vicinity of the center of the rear surface of the pressure receiving member 30 as a reinforcing protruding portion that protrudes rearward.
- the bead portion 41 is configured in a frame shape from three vertical bead portions arranged in the left-right direction and two horizontal bead portions connecting the end portions of the vertical bead portions.
- a region 42 surrounded by the bead portion 41 is formed with a concave portion 42 that is recessed forward. Yes.
- the pressure receiving member 30 is curved so that the whole of the pressure receiving member 30 is recessed in the vertical cross section of the rear surface in the longitudinal section.
- the pressure receiving member 30 has the bead part 41 and the recessed part 42 (unevenness
- the drive motor 51 is fixed to a plate-like mounting bracket 64 that is bent into a substantially L shape formed of metal, resin, or the like. Further, the mounting bracket 64 is fixed to the pressure receiving member 30 with screws in a state where the mounting portion 64B is placed on the central vertical bead portion. Then, as shown in FIG. 12, a part of the vibration weight 53 protrudes forward from the front surface of the mounting bracket 64 (mounting part 64 ⁇ / b> B), so that the vibration unit 50 has a part (part of the vibration weight 53). ) Is attached in a state of entering the recess 42.
- the vibration unit 50 is supported via the pressure receiving member 30 in a state in which the longitudinal direction of the mounting portion 64B is directed in the vertical direction perpendicular to the horizontal direction that is the direction in which the support wires 26 and 27 are spanned. Since the wires 26 and 27 are attached to the center in the left-right direction, a narrow range of the center of the support wires 26 and 27 can be vibrated by the vibration unit 50. Accordingly, the support wires 26 and 27 can be vibrated up and down and back and forth as if a force is applied in the form of a dot to the center of the suspended linear member (a place where bending is easy).
- the vibration unit 50 since a part of the vibration unit 50 is attached in a state of entering the recess 42 formed on the rear surface of the pressure receiving member 30, the amount of protrusion of the vibration unit 50 to the rear can be suppressed. Further, since the vibration unit 50 is attached to the center of the rear surface of the pressure receiving member 30 that is curved so that the rear surface is recessed in the longitudinal section, this also suppresses the amount of protrusion of the vibration unit 50 to the rear. be able to. Accordingly, it is possible to suppress an increase in the size of the seat including the vibration unit 50 in the front-rear direction.
- the recessed part 42 is formed in the rear surface of the pressure-receiving member 30, or the part which protrudes toward the front (occupant side) is formed in the pressure-receiving member 30 by curving so that the rear surface of the pressure-receiving member 30 may be dented.
- a cushion material (not shown) is disposed between the occupant and the pressure receiving member 30, no particular problem occurs.
- both ends of the lower support wire 27 are supported by the toggle support mechanism 40.
- only one end may be supported by the toggle support mechanism 40, or the toggle support mechanism 40 is used. Instead, both ends may be supported by the left and right side frames.
- the vibration unit 50 is provided near the center of the pressure receiving member 30 in the vertical direction, but may be provided below the center.
- the pressure receiving member 30 is provided on the lower side of the seat back S2
- the lower part (around the waist) of the upper body of the occupant is in contact with the seat back S2, so that the vibration of the vibration unit 50 is reduced. It can be transmitted stably to the passenger.
- the vehicle seat S according to the embodiment is configured for a vehicle in which the driver's seat is arranged on the right side. However, the vehicle seat S is arranged on the left side by reversing the structure in the left-right direction. Applicable.
- vehicle seat S of one embodiment can be configured as a bucket type vehicle seat in which the seat cushion S1, the seat back S2, and the headrest S3 are integrally formed.
- vehicle seat of the present invention can be configured as a boat seat or an aircraft seat.
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Abstract
Description
また、バイブレータを枠体に取り付けるための専用のバネ部材を使用することで、部品点数が多くなるという問題があった。
なお、本発明の被覆部材には、クッションパッドや、クッションパッドの外側に設けられる表皮、シートの背面側を覆う背面カバーなどが含まれる。
このような構成では、振動ユニットを安定して作動させることができる。
さらに、振動ユニットを覆う第1のカバー部材で干渉抑制部材が構成する場合には、構造が簡単でありながら振動ユニットをより安定して作動させることができる。
このような構成では、受圧部材の剛性が高まると共に、振動ユニットの一部と被覆部材との干渉が抑制される。また、凹部内の空間を利用して、乗物用シートのコンパクト化を図ることができる。
このような構成では、乗員の上体に振動ユニットが接触する違和感が無くなる。
このような構成では、第1のカバー部材のモータカバー部が振動ユニットのモータ本体を覆い、第1のカバー部材の錘カバー部がモータカバー部よりも外側に張り出して振動ユニットの偏心錘の回転領域を覆うため、第1のカバー部材をコンパクト化しつつ偏心錘が振動しても被覆部材と干渉することを抑制することができる。
このような構成では、振動ユニットと被覆部材の干渉が抑制されるので好ましい。この場合、振動ユニットと被覆部材との干渉を抑制するための別途の干渉抑制部材が不要となるため、部品点数が減少する。
このような構成では、振動ユニットと被覆部材の干渉が抑制されると共に、凹部に埃が入るのが抑制される。
このような構成では、取付ブラケットの取付作業が容易となり、しかも、受圧部材の剛性を高めて振動ユニットの振動を受圧部材の全体に効率良く伝達することができる。
このような構成では、振動ユニットの組み付け時に弾性支持部材が邪魔とならないため、振動ユニットの組付け作業性が向上する。
このような構成では、振動ユニットの振動が2本の線状部材に伝達し易くなる。
このような構成では、受圧部材の大きな振動が発生する部分において受圧部材が弾性支持部材を保持するので、振動ユニットが振動する際に、受圧部材と線状部材の干渉による異音の発生が抑制される。
このような構成では、シートバックフレームに受圧部材を弾性的に支持する弾性支持部材の狭い範囲を振動ユニットによって振動させることができるので、弾性支持部材をより大きく振動させることができる。これにより、振動効率を向上させることができる。
このような構成によれば、振動ユニットの後方への突出量を抑制することができるので、振動ユニットを備えるシートの前後方向への大型化を抑制することが可能となる。
さらに、シートバックフレームの内側に掛け渡された撓み変形可能な弾性支持部材の狭い範囲を振動ユニットによって振動させることができるので、弾性支持部材をより大きく振動させることができる。これにより、振動効率を向上させることができる。
なお、以下に示す変形例において、上述した実施形態と同様の構成部品には同一符号を付して、その説明を省略する。
そして、図12に示すように、振動錘53の一部が取付ブラケット64(取付部分64B)の前面から前に飛び出していることで、振動ユニット50は、その一部(振動錘53の一部)が凹部42に入り込んだ状態で取り付けられている。
Claims (15)
- シートクッションおよびシートバックを備えた乗物用シートであって、
前記シートバックは、骨格を構成するシートバックフレームと、当該シートバックフレームの内側に配置されて乗員の上体を支持する受圧部材と、前記シートバックフレームに前記受圧部材を弾性的に支持する弾性支持部材と、前記シートバックフレームおよび前記受圧部材を覆う被覆部材とを有し、シートクッションに着座した乗員の上体から後退移動荷重がシートバックに作用すると、受圧部材が後退移動して乗員の上体をシートバック内に沈み込ませるように構成され、
前記受圧部材は、振動ユニットが付設されていることを特徴とする乗物用シート。 - 前記振動ユニットと前記被覆部材との間に、前記振動ユニットと前記被覆部材の干渉を抑制するための干渉抑制部材が設けられていることを特徴とする請求項1に記載の乗物用シート。
- 前記干渉抑制部材が前記振動ユニットを覆う第1のカバー部材であることを特徴とする請求項2に記載の乗物用シート。
- 前記受圧部材は、凹部が一体に形成されており、
前記振動ユニットは、受圧部材の凹部に少なくとも一部が収容されていることを特徴とする請求項2または3に記載の乗物用シート。 - 前記振動ユニットは、前記受圧部材の受圧面より後方に配置されていることを特徴とする請求項1から4のいずれか1項に記載の乗物用シート。
- 前記振動ユニットは、モータ本体と、このモータ本体から延出した回転軸に取り付けられた偏心錘とを有し、
前記第1のカバー部材は、前記モータ本体を覆うモータカバー部と、当該モータカバー部よりも外側に張り出して前記偏心錘の回転領域を覆う錘カバー部とを有することを特徴とする請求項3から5のいずれか1項に記載の乗物用シート。 - 前記受圧部材は、前方に開口する前記凹部を有し、
前記振動ユニットは、前記受圧部材の凹部の周囲に取り付けられる取付ブラケットが付設されており、
前記凹部に前記振動ユニットが収容された状態で前記取付ブラケットが前記受圧部材の凹部の周囲に取り付けられていることを特徴とする請求項4から6のいずれか1項に記載の乗物用シート。 - 前記振動ユニットが収容される前記凹部を前記取付ブラケットの外側から覆う第2のカバー部材をさらに備えていることを特徴とする請求項4から7のいずれか1項に記載の乗物用シート。
- 前記受圧部材は、前記取付けブラケットを取り付けるための取付部材が前記凹部の周囲にインサート成形されていることを特徴とする請求項7または8に記載の乗物用シート。
- 前記振動ユニットは、前記弾性支持部材と重ならない位置に配置されていることを特徴とする請求項1から9のいずれか1項に記載の乗物用シート。
- 前記弾性支持部材は、前記振動ユニットを挟んで上下に配置された2本の線状部材で構成されていることを特徴とする請求項1から10のいずれか1項に記載の乗物用シート。
- 前記弾性支持部材は、前記シートバックフレームの左右部分を繋ぐように設けられ、
前記受圧部材が前記弾性支持部材を保持する保持部は、前記振動ユニットと上下に並んで配置されていることを特徴とする請求項1から11のいずれか1項に記載の乗物用シート。 - 前記振動ユニットは、取付部分の長手方向を前記弾性支持部材の掛け渡し方向と交差する方向に向けた状態で前記弾性支持部材に取り付けられたことを特徴とする請求項1に記載の乗物用シート。
- 前記シートバックの左右のフレームを構成する左右のシートバックサイドフレームと、前記左右のシートバックサイドフレームの間に配置され、当該左右のシートバックサイドフレームの間に左右方向に掛け渡された前記弾性支持部材としての支持ワイヤを介して前記左右のシートバックサイドフレームに取り付けられた板状の受圧部材とを備え、前記振動ユニットは、取付部分の長手方向を上下方向に向けた状態で前記受圧部材の後面の左右方向中央部に取り付けられたことを特徴とする請求項13に記載の乗物用シート。
- 前記受圧部材は、縦断面において後面が凹むように湾曲しており、
前記振動ユニットは、前記受圧部材の後面の上下方向中央部に取り付けられたことを特徴とする請求項1、請求項13および請求項14のいずれか1項に記載の乗物用シート。
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DE112013001427.0T DE112013001427T5 (de) | 2012-03-15 | 2013-03-14 | Fahrzeugsitz |
US14/384,330 US10549665B2 (en) | 2012-03-15 | 2013-03-14 | Vehicle seat |
CN201380014386.5A CN104219980B (zh) | 2012-03-15 | 2013-03-14 | 交通工具座椅 |
US16/716,000 US11951888B2 (en) | 2012-03-15 | 2019-12-16 | Vehicle seat |
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JP2012058659A JP5903301B2 (ja) | 2012-03-15 | 2012-03-15 | 乗物用シート |
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US14/384,330 A-371-Of-International US10549665B2 (en) | 2012-03-15 | 2013-03-14 | Vehicle seat |
US16/716,000 Division US11951888B2 (en) | 2012-03-15 | 2019-12-16 | Vehicle seat |
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JP (1) | JP5903301B2 (ja) |
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- 2013-03-14 CN CN201380014386.5A patent/CN104219980B/zh active Active
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Also Published As
Publication number | Publication date |
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JP5903301B2 (ja) | 2016-04-13 |
US11951888B2 (en) | 2024-04-09 |
JP2013188435A (ja) | 2013-09-26 |
DE112013001427T5 (de) | 2014-12-11 |
CN104219980A (zh) | 2014-12-17 |
US20150032037A1 (en) | 2015-01-29 |
CN104219980B (zh) | 2017-03-15 |
US10549665B2 (en) | 2020-02-04 |
US20200114791A1 (en) | 2020-04-16 |
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