KR101988276B1 - A Seat For Automobile - Google Patents

Abstract

The present invention relates to a seat (100) for a vehicle. The seat (100) for a vehicle comprises: a seat portion (110) provided inside a vehicle for seating a passenger; and a seat back (120) rotatably coupled to the seat portion (100) by a hinge (101) to support the back of the passenger. The seat portion (110) includes: a seat support portion (111) coupled to a body of the vehicle; and a seat cushion portion (113) provided on the seat support portion (111). The seat cushion portion (113) includes: a seat cushion main body (1131) coupled to the seat support portion (111); and a plurality of cushion members (1133) arranged on an inner side of the seat cushion main body (1131) in the left-right and front-rear directions and adjacent to each other. On the seat support portion (111), a cushion member driving portion (1135) is disposed at a lower portion of the cushion member (1133) and moves the cushion member (1133) up and down. The cushion member (1133) moves up and down by the driving of the cushion member driving portion (1135). Therefore, the present invention can support the neck comfortably.

Description

A seat for automobile

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automotive seat, and more particularly to an automotive seat having improved comfort for a wearer and improved seating feeling.

In general, an automotive seat is constituted by a seat portion which is a seat and a seat back which is rotatably coupled to the seat portion and which is adjustable in angle, so that the seat portion and the seatback are prevented from being directly exposed, Or a seat cover which is covered with a sheet for various purposes such as a purpose of smooth ventilation to prevent sweat from splashing on the back in summer or a purpose of further enhancing ride feeling by incorporating a cushioning material in accordance with the body shape of the occupant .

The conventional automobile seat has a problem that a user who is a seated person is fatigued by a long sitting for a long period of time and purchases a separate automobile neck pillow in order to support his neck comfortably so as to be used between the headrest portion and the seatback.

Patent 1) Korean Registration No. 10-1463376 Patent No. 2) Korean Registration No. 10-1256156 Patent 3) Korean Patent Publication No. 10-2015-0063707

It is an object of the present invention to provide an automotive seat capable of relieving fatigue even when the seating time is long and supporting the neck comfortably as in a long distance operation, .

In order to achieve the above object, according to the present invention, there is provided a vehicle seat comprising: a seat portion provided in a vehicle interior for seating a passenger; and a seat back rotatably coupled to the seat portion by a hinge, The seat portion comprises a seat cushion portion to which the vehicle body is coupled and a seat cushion portion provided on the seat cushion portion; Wherein the seat cushion unit comprises a seat cushion main body coupled to the seat cushion main body, and a plurality of cushion members arranged adjacent to each other in the back and forth and left and right directions on the inner side of the seat cushion main body; And a cushioning member driving unit for moving the cushioning member up and down by being positioned below the cushioning member, wherein the cushioning member driving unit drives the cushioning member to move up and down.

The cushion member includes a cushion member supporting portion upwardly opened and a cushioning member main body provided on an upper portion of the cushioning member support portion coupled to the cushioning member support portion. The plurality of cushioning members are divided into left and right rows, The cushion member having an upper end connected to the cushion member support portion and a lower end connected to the seat back portion, the elastic member being provided; The cushion member driving unit includes a driving motor provided on each of the rows of the cushion member, the driving motor being disposed on an upper portion of the seat cushion unit, a seat support bracket spaced forward from the driving motor and provided on the seat cushion, A drive shaft which is coupled to the drive shaft and forwardly and which has a front end rotatably supported by the seat support bracket, and a drive cam which is spaced apart from the drive shaft in forward and backward directions; The cushion member support portion is provided with a cushion member roller rotatably with a rotation axis parallel to the drive shaft. The drive cam is disposed below the cushion member and in contact with the cushion member roller. When the rotation shaft rotates by the operation of the drive motor The cushion member moves in the vertical direction by the driving cam; The plurality of driving cams are provided so that the cushion members arranged in the forward and backward directions move up and down in a zigzag pattern. The driving cams extend in the left-right direction, one end is fixed to the seat portion, and the other end is detachably mounted on the seat portion, And a seat band restricting to the seat portion.

The cushion member includes a cushion member support portion upwardly opened upwardly spaced from the seat cushion support portion and a cushion member main body provided on the cushion support portion and coupled to the cushion support portion, And arranged in each column in the longitudinal direction; The cushioning member driving unit includes a vertically driven cylinder provided between the cushioning member supporting portion and the seat supporting member at a lower portion of each cushioning member. The cushioning member driving portion is provided between the cushioning member driving portion and the cushioning member supporting portion, A first measuring means for measuring a load is provided; The load is measured by the first measuring means provided for each of the plurality of cushion members, the measured load is transmitted to a control unit (not shown), and the control unit controls the pneumatic pump A solenoid valve (not shown) provided in a flow path between the pneumatic pump and the cushion member driving unit is opened and closed to adjust the height of the cushion member do.

In the above, a headrest portion adjustable in height above and below the seatback, and a neck support between the seatback and the headrest portion; Wherein the seat back comprises a seat back supporting portion serving as a supporting body and a seat back cushion portion coupled to the seat back supporting portion, and a seat back supporting guide formed in a vertical direction of the seat back is formed on the seat back supporting portion; Wherein the head rest portion comprises a rest body positioned at an upper portion of the seat back, a rod rod rest rod having a plurality of spaced apart left and right directions, an upper end inserted into the rest body, and a lower portion slidably inserted into the seatback support guide; The neck support includes a first neck support bracket having a lower end coupled to an upper portion of the seatback support and extending upwardly, a neck support body spaced forward from the first neck support bracket, A neck support motor provided on a front surface of the first neck support bracket, a front support member coupled to a rotation shaft of the neck support motor and extending forward, And a ball screw which is coupled to the neck support main body and spaced rearward from the neck support main body so as to be engaged with the neck support screw, Lt; / RTI > And a neck support measuring means provided on the front surface of the neck support body, The load measured by the neck support measuring means is transmitted to the control section, and the neck support motor is driven by the control section, so that the neck of the seated person is supported by the load within the setting range.

According to the automotive seat 100 according to the present invention, it is possible to divide and adjust the load transmitted from the seat acting on the body during seating, by the seat region, massage the body of the seating portion, So that the external force acting on the head and neck part can be adjusted comfortably according to the body structure of the seated person.

1 is a schematic side view of an automotive seat according to the present invention,
2 is a schematic plan view of a seat portion provided in an automotive seat of the present invention,
3 is a schematic cross-sectional view of a seat portion provided in an automotive seat of the present invention,
4 is a schematic longitudinal sectional view showing the operation of the automotive seat of the present invention,
5 is a partial cross-sectional view for explaining a modified example of the seat portion provided on the automotive seat of the present invention,
6 is an enlarged cross-sectional view of the "A" portion of FIG. 1,
7 is a partial perspective view of a neck support shown in FIG. 1 to illustrate a neck support provided on an automotive seat of the present invention.

Hereinafter, an automotive seat according to the present invention will be described in detail with reference to the drawings.

Fig. 1 is a schematic side view of a vehicle seat according to the present invention, Fig. 2 is a schematic plan view of a seat portion provided in an automotive seat of the present invention, Fig. 3 is a schematic 4 is a schematic longitudinal sectional view illustrating the operation of the automotive seat of the present invention, and Fig. 5 is a partial cross-sectional view for explaining a modification of the seat portion provided in the automotive seat of the present invention FIG. 6 is an enlarged cross-sectional view of the "A" portion of FIG. 1, and FIG. 7 is a partial perspective view of the neck support shown in FIG. 7 to illustrate the neck support of the automotive seat of the present invention.

In Fig. 1, the horizontal direction is referred to as "fore and aft direction ", the vertical direction is referred to as" vertical direction "

1, an automotive seat 100 according to the present invention includes a seat portion 110 provided in a cabin of a vehicle B and occupied by a passenger, and a hinge 101 for supporting the seat portion 110 A head rest portion 130 which is vertically adjustable up and down on the seat back 120 and a seat portion 120 which is rotatably coupled to the seat back 120 and the head rest portion And a neck support 140 provided between the neck support 130 and the neck support 140.

The seat portion 110 includes a seat cushion portion 111, a seat cushion portion 113, and a seat belt 117.

The sheet support portion 111 is provided in a plate shape. The seat support portion 111 is fixedly coupled to the main body of the vehicle B. A seat rail 115 extending forward and backward is provided below the seat support portion 111 and a rail rod 150 extending forward and backward is provided at the bottom of the vehicle B so that the vehicle seat 100 is slidably moved forward and backward Or may be provided movably.

The sheet support portion 111 is further provided with a sheet delay portion 1111 extending upwardly from the sheet support portion 111. [ The seat back 120 is rotatably coupled to the seat retardation unit 1111 by a hinge 101.

The seat cushion 113 is provided in the seat cushion 111. The seat cushion portion 113 is provided on the upper portion of the seat support portion 111.

2 to 4, the seat cushion unit 113 includes a seat cushion main body 1131, a cushion member 1133, and a cushion member driving unit 1135. The automotive seat 100 according to the present invention is further provided with a seat cushion main body 1131 and a seat cover (not shown) covering the cushion member 1133. [

The seat cushion main body 1131 is engaged with the upper portion of the seat support portion 111. The seat cushion main body 1131 is formed as a hollow square. The seat cushion main body 1131 is made of a material such as a sponge.

The seat cushion main body 1131 includes a main body support portion 1131a at a lower portion thereof and a main body cushion portion 1131b coupled to the main body support portion 1131a and provided at an upper portion of the main body support portion 1131a. The main body cushion portion 1131b is made of a material such as a sponge.

The main body support portion 1131a extends upwardly from the sheet support portion 111, is bent inwardly, and extends upward. The upper end of the main body support part 1131a is positioned downwardly away from the upper surface of the main body cushion part 1131b so as not to be in contact with the seated person. The main body support portion 1131a may further include an inwardly extending body support portion (not shown) at the upper end thereof.

The main body supporting portion 1131a is coupled to the seat supporting portion 111 by screws or the like so that the seat cushion main body 1131 is provided on the upper portion of the seat supporting portion 111. The main body supporting portion 1131a is made of a synthetic resin or metal having rigidity such as a nylon 66 and a gap is formed between the main body supporting portion 1131a and the seat supporting portion 111 to provide the cushioning member driving portion 1135.

The cushion member 1133 is located inside the seat cushion main body 1131 and is provided at an upper portion of the seat cushion 111. A plurality of the cushion members 1133 are provided. The cushion members 1133 form a double row in the left-right direction and are arranged adjacent to each other in the front-rear direction in each row. The cushion member 1133 is moved in the vertical direction by driving the cushion member driving unit 1135.

The cushion member 1133 includes a cushion member support portion 1133a and a cushion member main body 1133b.

The cushioning member support portion 1133a is provided as a hollow body having an upwardly opened opening. The cushion member support portion 1133a has a substantially quadrangular cup shape. The cushion member supporting portion 1133a is made of synthetic resin or metal having rigidity such as nylon 66. [ The lower portion of the cushion member support portion 1133a is formed with a hole penetrating in the vertical direction.

The cushion member main body 1133b is provided on the upper portion of the cushion member support portion 1133a. The cushion member main body 1133b is made of the same material as the sponge. The lower portion of the cushion member main body 1133b is inserted into the cushion member support portion 1133a in an interference fit state and is coupled to the cushion member support portion 1133a.

The lower end of the cushion member main body 1133b is spaced upward from the lower portion of the cushion member support portion 1133a and a space is formed between the cushion member support portion 1133a and the cushion member main body 1133b. A space between the cushion member support 1133a and the cushion member 1133b is provided with a rotation axis parallel to the driving axis 1135b and a cushioning roller 1133c rotatably mounted on the rotation axis.

The upper end of the cushioning member supporting portion 1133a is positioned downwardly away from the upper surface of the cushioning member main body 1133b so as not to contact the seated person and the upper end of the cushioning member supporting portion 1133a is provided with an outwardly extending cushioning member supporting portion So that the height of the cushion member 1133 can be limited. The cushion member support engagement portion is provided on the side facing the seat cushion main body 1311 in the left and right direction of the cushion member 1133.

The cushion member driving unit 1135 is positioned below the cushion member 1133. The cushioning member driving unit 1135 is provided in a space formed between the main body supporting unit 1131a and the seat supporting unit 111 by the main body supporting unit 1131a. The cushioning member driving unit 1135 is provided in each row of the cushioning member 1133. The cushioning member driving unit 1135 serves to move the cushioning member 1133 in the vertical direction.

The cushioning member driving unit 1135 includes a driving motor 1135a, a seat supporting bracket 1135c, a driving shaft 1135b, and a driving cam 1135d.

The driving motor 1135a is provided on the upper portion of the sheet support portion 111. [

The seat support bracket 1135c is provided at an upper portion of the seat support portion 111 so as to be spaced forward from the drive motor 1135a.

The driving shaft 1135b is coupled to the rotating shaft of the driving motor 1135a and extends forward so that the front end of the driving shaft 1135b is rotatably supported by the seat supporting bracket 1135c. The driving shaft 1135b and the rotating shaft of the driving motor 1135a are coupled by coupling.

The drive cam 1135d is provided on the drive shaft 1135b in a plurality of spaced apart directions. The driving cam 1135d is disposed at a lower portion of each cushion member 1133. The driving cam 1135d is provided in contact with the cushioning roller 1133c through a hole formed in a lower portion of the cushioning member supporting portion 1133a.

When the rotation shaft of the driving motor 1135a is rotated by the operation of the driving motor 1135a, the cushion member 1133 moves up and down by the driving cam 1135d. The plurality of driving cams 1135d are provided so that the cushion members 1133 arranged in the forward and backward direction move up and down in a zigzag fashion.

2, when four cushion members 1133 are aligned in the front-rear direction, when the first and third cushion members 1133 are lifted from the front, the second and fourth cushion members 1133 are moved downwardly, (1135d).

An elastic member (not shown) is further provided between the cushion member 1133 and the sheet support portion 111. The elastic member is provided below the cushion member 1133. The elastic member is provided with a spring. The upper end of the elastic member is connected to the cushion member supporting portion 1133a and the lower end is connected to the seat supporting portion 111. [ The upper end of the elastic member is connected to the cushioning member supporting portion 1133a and the lower end of the elastic member is connected to the seat cushioning portion 111 to pull the cushioning member 1133 to the seat supporting portion 111, The member 1133 is moved up and down.

When the driving motor 1135a of the cushioning member driving unit 1135 is powered and the driving motor 1135a is rotated, a plurality of cushioning members 1133 move up and down in a zigzag manner, An effect of massage is generated.

The cushion member 1133 and the cushion member driving unit may be modified as shown in FIG.

The cushion member driving unit is provided below the cushion member 1133.

The cushioning member driving unit includes a vertically driven cylinder disposed between the cushioning member supporting portion 1133a and the sheet supporting portion 111 below the cushioning member 1133. [

Between the cushioning member driving portion and the cushioning member supporting portion 1133a, there is provided a first measuring means 1134 for measuring the load by the body of the seated person, which is transmitted to each cushioning member 1133. The first measurement means 1134 comprises a load cell for measuring a compression load.

The cushion member support portion 1133a of the cushion member 1133 is provided with a support member projection 1133a-1 that forms a concave groove downward. The first measuring means 1134 is inserted into the concave groove formed by the support member projection 1133a-1.

The load is measured by the first measuring means 1134 provided at the lower portion of each cushion member 1133 in accordance with the seating position of the seated person in the plurality of cushion members 1133 and the measured load is measured by a control unit The control unit drives a pneumatic motor (not shown) connected to a pneumatic pump (not shown) that supplies pneumatic pressure to the cushion member driving unit provided in each cushion member 1133, A solenoid valve (not shown) provided in a flow path between the driving portions is opened and closed to adjust the height of the cushion member 1133.

Therefore, it is possible to control so that a uniform load is applied to the body of the sitting portion, and fatigue caused by the sitting load of the sitting person can be reduced.

As shown in Figure 4, the seat band 117 is One end of which is fixed to the seat portion 110 and the other end of which is detachably attached to the seat portion 110. [ The seat band 117 serves to restrain the body of the seated person to the seat portion 110.

The automotive seat 100 according to the present invention may further include a seat cover for covering the seat cushion 113. [ One end of the seat band 117 is coupled to the seat cover and extends in the left and right direction, and the other end of the seat band 117 can be detachably attached to the seat cover by the Velcro. The seat belt 117 may be coupled to the seat cushion main body 1131 or the seat cushion support 111.

The seat occupant restrains the legs to the seat portion 110 with the seat band 117 and when the plurality of cushion members 1133 are operated in a zigzag manner up and down, the effect of massaging the body parts seated on the seat portion 110 Occurs. Further, since the lower body is restrained by the seat portion 110 by providing the seat band 117, it can be safer at the time of an accident.

The seatback 120 is rotatably coupled to the seat portion 110 by a hinge 101. 6 and 7, the seatback 120 includes a seatback support 121 as a support and a seatback cushion 123 coupled to the seatback support 121. As shown in FIG.

A seatback support guide 1211, which is extended upward and downward from the seatback 120 and opens upward, is formed on the seatback support 121. A rest rod 131 of the headrest portion 130 is slidably inserted into the seatback support guide 1211.

The headrest portion 130 is vertically adjustable on the upper portion of the seatback 120. The headrest portion 130 is located at an upper portion of the seatback 120. The headrest portion 130 includes a rest body 133 and a rest rod 131.

The rest body 133 is spaced upwardly from the upper portion of the seatback 120. The rest body 133 is made of a sponge or the like, and further includes a seat cover (not shown) covering the rest body 133.

The rest rod 131 is provided as a rod extending in the vertical direction. The plurality of rest rods 131 are spaced apart from each other in the left-right direction. The upper end of the rest rod 131 is inserted into the rest body 133 and the lower portion of the rest rod 131 is slidably inserted into the seatback support guide 1211. Since the engagement between the rest rod 131 and the seatback support guide 1211 is the same as in the known art, a description thereof will be omitted.

The neck support 140 is provided between the seatback 120 and the headrest 130. The neck support 140 includes a first neck support bracket 141, a neck support body 144, a neck support cushion 148, and a neck support driving part. The neck support 140 is further provided with a neck support 140a which surrounds the neck support 140.

The first neck support bracket 141 is provided behind the seatback 120. The first neck support bracket 141 has a lower end coupled to an upper portion of the seatback support 121 and extending upward. The material of the first neck support bracket 141 is made of synthetic resin or metal having rigidity such as nylon 66.

The neck support main body 144 is spaced forward from the first neck support bracket 141. The neck support main body 144 is plate-shaped, concave in the left-right direction, and curved in a vertically convex shape.

The neck support cushion 148 is coupled to the neck support body 144 and is provided in front of the neck support body 144. The neck support cushion 138 is provided with a cushioning member such as a sponge. The neck support cushion 148 is provided to protrude forward from the seatback cushion 123 and the headrest 130.

The neck support driving part is provided between the first neck support bracket 141 and the neck support body 144. The neck support driving unit includes a neck support motor 143, a neck support screw 147, and a ball screw 149.

The neck support motor 143 is fixed to the front surface of the first neck support bracket 141. The neck support screw 147 is coupled to the rotation shaft of the neck support motor 143 and extends forward. The front end of the neck support screw 147 is spaced rearwardly from the neck support body 144. The ball screw 149 is coupled to the neck support body 144 and is spaced rearward from the neck support body 144. The ball screw 149 is engaged with the neck support screw 147. The neck support main body 144 is moved in the front and rear direction together with the ball screw 149 by moving the ball screw 149 in the forward and backward directions by driving the neck support motor 143.

One or more neck support guides 145 may be further provided between the neck support body 144 and the first neck support bracket 141.

The neck support guide 145 is provided in parallel with the neck support screw 142. One end of the neck support guide 145 is coupled to the first neck support bracket 141 and the other end is coupled to the neck support body 144. The neck support guide 145 is provided to extend and retract according to the driving of the neck support motor 143.

A neck support measuring means 146 is further provided on the front face of the neck support main body 144 and a rest measurement means 137 is further provided on the front face of the rest main body 133. The neck support measuring means 146 and the rest measuring means 137 may be composed of a load cell for measuring the compressive force.

The load measured by the neck support measuring means 146 is transmitted to a control unit (not shown), and the neck support motor 143 is driven by the control unit so that the neck of the seated person is supported by the load within the set range.

The rest measuring means 137 is fixed to a rest bracket 135 provided at the upper part of the rest rod 131. [ When the head of the seated person is leaned against the headrest portion 130, the load by the head is measured by the rest measuring means 137, and the measured result is transmitted to the control portion (not shown). The neck support motor 143 is driven by the controller to move the neck support main body 144 back and forth according to the resultant value transmitted to the controller, thereby pressing the neck. The rest measuring means 137 can adjust the load supporting the neck according to the load of the head leaned against the headrest portion 130.

Although the automotive seat according to the present invention has been described with reference to the embodiments shown in the drawings, it is to be understood that the invention is merely illustrative and that various modifications and equivalent embodiments are possible for those skilled in the art. Accordingly, the scope of the true technical protection should be determined by the technical idea of the appended claims.

100: Automotive sheet
110: sheet portion 111: sheet-
113: seat cushion portion 115: seat rail
117: seat belt 120: seat back
121: seat back supporting portion 123: seat back cushion portion
130: head rest portion 131: rest rod
133: Rest body 135: Rest bracket
137: rest measuring means 140: neck support
141: first neck support bracket 143: neck support motor
144: neck support body 145: neck support guide
146: neck support measurement means 147: neck support screw
148: neck support cushion 149: neck support ball screw

Claims (4)

A seat portion 110 provided in a vehicle interior for seating a passenger and a seatback 120 rotatably coupled to the seat portion 110 by a hinge 101 so that the back of the passenger is leaned;
The seat portion 110 includes a seat cushion portion 111 coupled to the body of the vehicle and a seat cushion portion 113 provided on the seat cushion portion 111; The seat cushion unit 113 includes a seat cushion main body 1131 coupled to the seat cushion unit 111 and a plurality of seat cushion main bodies 1131 disposed adjacent to each other in the left- A cushion member 1133;
The cushioning member driving unit 1135 drives the cushioning member 1133 to move up and down the cushioning member 1133 by being positioned below the cushioning member 1133. [ Is moved in the vertical direction,
The cushion member 1133 includes a cushion member supporting portion 1133a upwardly opened and a cushioning member main body 1133b provided on an upper portion of the cushioning member supporting portion 1133a coupled to the cushioning member supporting portion 1133a, Each of the cushion members 1133 is connected to the cushioning member supporting portion 1133a at its upper end and connected to the seat cushioning portion 111 at its lower end, A member is provided and pulled downward;
The cushioning member driving unit 1135 is provided in each row of the cushioning member 1133 and includes a driving motor 1135a provided at an upper portion of the seat supporting unit 111 and a seat cushion unit 1135b spaced forward from the driving motor 1135a, A driving shaft 1135b which is coupled to the rotation shaft of the driving motor 1135a and extends forward and whose front end is rotatably supported by the seat supporting bracket 1135c; And a driving cam 1135d that is spaced apart from the driving shaft 1135b in the forward and backward directions.
The cushion member supporting portion 1133a is provided with a cushioning member roller 1133c rotatably with a rotation axis parallel to the driving shaft. The driving cam 1135d is positioned below each cushioning member 1133, When the rotation shaft is rotated by the operation of the driving motor 1135a, the cushion member 1133 moves up and down by the driving cam 1135d.
The plurality of driving cams 1135d are provided so that the cushion members 1133 arranged in the forward and backward directions move up and down in a zigzag manner and extend in the left and right direction so that one end is fixed to the seat portion 110, Further comprising a seat band (117) detachably mounted on the seat portion (110) and restricting the body of the seat occupant to the seat portion (110). A seat portion 110 provided in a vehicle interior for seating a passenger and a seatback 120 rotatably coupled to the seat portion 110 by a hinge 101 so that the back of the passenger is leaned;
The seat portion 110 includes a seat cushion portion 111 coupled to the body of the vehicle and a seat cushion portion 113 provided on the seat cushion portion 111; The seat cushion unit 113 includes a seat cushion main body 1131 coupled to the seat cushion unit 111 and a plurality of seat cushion main bodies 1131 disposed adjacent to each other in the left- A cushion member 1133;
The cushioning member driving unit 1135 drives the cushioning member 1133 to move up and down the cushioning member 1133 by being positioned below the cushioning member 1133. [ Is moved in the vertical direction,
The cushion member 1133 is upwardly opened and includes a cushion member support portion 1133a upwardly spaced from the seat cushion portion 111 and a cushion member support portion 1133a coupled to the cushion member support portion 1133a, 1133b, the plurality of cushion members 1133 are formed in a double row in the left-right direction and aligned in the front-rear direction in each row;
The cushioning member driving unit includes a vertically driven cylinder disposed between the cushioning member supporting portion 1133a and the seat supporting portion 111 below the respective cushioning members 1133 and between the cushioning member driving unit and the cushioning member supporting member 1133a (1134) for measuring the load by the body of the seated person transmitted to each cushioning member (1133);
The load is measured by the first measuring means 1134 provided for each of the plurality of cushion members 1133 and the measured load is transmitted to a control unit not shown, (Not shown) connected to a pneumatic pump (not shown) for supplying pneumatic pressure to the cushion member drive unit and opens and closes a solenoid valve (not shown) provided in the flow path between the pneumatic pump and the cushion member driving unit, (1133) is adjusted so that the height of the seat (1133) is adjusted. delete The chair seat according to claim 1 or 2, further comprising: a headrest part (130) vertically adjustable in height above the seatback; a neck support part (140) between the seatback (120) and the headrest part ;
The seat back 120 includes a seat back support 121 as a support and a seat back cushion 123 coupled to the seat back support. A seatback support guide 1211 is formed which is formed of a metal plate;
The head rest portion 130 includes a rest body 133 positioned at an upper portion of the seatback 120 and a plurality of spaced apart left and right portions and an upper end inserted into the rest body 133, And a rest rod 131 which is slidably inserted into the rod 1211;
The neck support 140 includes a first neck support bracket 141 having a lower end coupled to an upper portion of the seatback support 121 and extending upwardly and a neck support body 143 spaced forward from the first neck support bracket 141, A neck support cushion 148 coupled to the neck support main body 144 and serving as a cushioning member provided in front of the neck support main body 144, A neck support motor 147 coupled to the rotation shaft of the neck support motor 143 and extending forward and spaced rearward from a rear surface of the neck support main body 144, And a ball screw 149 coupled to the neck support main body 144 and spaced rearward from the neck support main body 144 and engaged with the neck support screws 147, The support body 144 is moved in the anteroposterior direction;
A neck support measuring means 146 provided on the front surface of the neck support main body 144; Wherein the load measured by the neck support measuring means (146) is transmitted to the control portion, and the neck support motor (143) is driven by the control portion so that the neck of the passenger is supported by the load within the set range. .

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