JP6600966B2 - Chair - Google Patents

Description

  The present invention relates to a chair, and more particularly to a chair provided with a wake-up device that gives a stimulus to a seat occupant.

For the purpose of preventing the occurrence of an accident during driving of a vehicle, a technique for preventing a decrease in arousal level of a vehicle driver is known.
For example, Patent Literature 1 discloses a technique for applying a vibration stimulus to a seated person using a vehicle seat including an electric device such as a heart rate sensor or a respiration sensor and a motor.
On the other hand, a technique for preventing a decrease in arousal level, in other words, preventing a dozing, can be used for a legged chair for office work and the like for the purpose of efficiently studying and working in addition to a vehicle seat.
For example, Patent Literature 2 discloses a chair provided with a vibration device (described as a vibration motor in the same document) under a seat portion (described as a seat portion in the document).

JP 2013-220810 A Japanese Patent Laid-Open No. 6-253953

However, when attaching a wake-up device to a legged chair, the battery in the vehicle cannot be used unlike the vehicle seat described in Patent Document 1, so the battery needs to be attached to the chair.
It is also possible to connect the chair to a household power supply via the power cord, but the range of movement of the chair will be narrowed by the power cord, and the chair may ride on the power cord. It is not preferable.
For this reason, it is conceivable to use a rechargeable battery. However, while the charging cable is connected to the charging jack of the battery and the power is supplied, the chair is moved by the charging cable as in the case of using the power cord. The range will be narrowed, and it is possible that the chair rides on the charging cable.

Further, a chair used for office work generally includes a mechanism that enables adjustment of the reclining angle of the backrest and the height of the seat, and an operation lever for adjusting the degree thereof.
The charging cable connected to the charging jack of the battery may interfere with the operation of the operation lever.
In addition, when a cover that protects at least a part of the battery and the awakening device is provided, the battery is shielded from the outside by the cover, and it may be difficult to supply power to the battery.
Furthermore, if the battery charging connector provided on the chair is at a high height, the charging cable connected to the household power supply and the charging connector, which is generally at a low height, is largely bent near the charging connector, causing disconnection. It is thought that it becomes easy to occur.

The present invention has been made in view of such problems, and an object of the present invention is to avoid a charging cable inserted into a charging jack from interfering with the operation of an operation unit. An object of the present invention is to provide a chair provided with a wake-up device that can be stably operated by supplying electric power to it.
Another object is to prevent a charging cable from interfering during power feeding of a battery provided in a chair.
Another object is to facilitate power supply to the battery when a cover for protecting at least a part of the battery and the awakening device is provided.
Still another object is to suppress the occurrence of disconnection due to a large bend in the vicinity of the connection portion of the charging cable with the charging connector.

The object is achieved, according to the chair of the present invention, comprises a seat, a control device for controlling the stimulator and stimulation device to apply a stimulus to the seated person and a sensor for detecting a body signal of the seated person An awakening device for waking up the seated person, a charging jack, a rechargeable battery for supplying power to the stimulation device and the control device, and an operation unit for changing the state of the chair, The charging jack of the battery is provided at a position avoiding a movable range of the operation unit , the seat unit includes a pad unit, and the sensor is provided on an upper surface of the pad unit, The control device is connected by a harness, and the pad portion is formed with a guide hole for guiding the harness, and the harness extending from the sensor is passed through the guide hole, and the control is performed. Device is connected to the ECU provided in the connection portion between the harness and the ECU in the vertical direction of the chair, it is solved by overlapping with the charging jack of the battery.

According to the above configuration, since the charging jack is provided at a position that avoids the movable range of the operation unit, the charging cable inserted into the charging jack can be prevented from interfering with the operation of the operation unit. By maintaining the connection of the cable, power can be supplied to the stimulating device and the control device to enable stable operation.
In addition, the cover includes a cover that is attached to the body portion of the seat portion and covers the battery, the cover has an opening, the charging jack is exposed from the opening, and the harness includes: It is preferable that the upper side of the battery is passed and folded back.
Further, a base member is provided between the ECU and the battery, the base member is provided with a pair of wall portions in the width direction of the chair, and a vertical cross section including the wall portions is a substantially U-shaped frame. Preferably there is.
A resin plate is attached to the lower part of the pad portion, and a hole formed in the vertical direction is formed in the resin plate, and the harness is inserted into the hole. And preferred.
Moreover, it is preferable that the said punching hole is larger in the front-back direction of the said chair than the said guide hole.

Furthermore, it is preferable that the charging jack is disposed at a position that does not overlap with the operation portion in the vertical direction.
According to the above configuration, the charging jack is disposed at a position that does not overlap with the operation unit in the vertical direction, so that a seated person can operate the operation unit by extending his / her hand from the vertical direction of the operation unit to the operation unit. In addition, it is possible to prevent the charging cable connected to the charging jack from interfering with the operation.

Furthermore, it is preferable that the charging jack is disposed on the opposite side in the width direction of the chair with respect to the side where the operation unit is located.
According to the above configuration, the charging jack is disposed on the opposite side to the width direction of the chair with respect to the side where the operation unit is located, so that the seated person can operate by extending his hand from the operation unit side in the width direction of the chair. When operating the unit, it can be avoided that the charging cable connected to the charging jack gets in the way.

Further, it is preferable that the charging jack is disposed on the rear side in the front-rear direction of the chair.
According to the above configuration, since the seated person's leg is positioned on the front side of the chair, it is possible to prevent the charging cable connected to the charging jack provided on the back side of the chair from being caught on the seated person's leg. it can.

An extension cable having a seat, a support for supporting the seat from below, a leg attached to the support, and a charging connector having one end connected to the charging jack and a charging cable connected to the other end It is preferable that the extension cable is disposed up to the leg portion along the support column, and the charging connector is fixed to the leg portion.
According to the said structure, since a charging cable can be connected to the charging connector fixed to the leg part in the position away from the seat part, and a battery can be charged, it can prevent that a charging cable obstructs a seated person.

Further, a caster is attached to the leg portion, and the charging connector is preferably fixed to the tip of the leg portion above the caster.
According to the above configuration, the charging cable connected to the charging connector can be prevented from being caught in the caster.

In addition, it is preferable that the support column is formed in a cylindrical shape, and the extension cable is disposed up to the leg portion through the support column.
According to the above configuration, by preventing the extension cable from being exposed, it is possible to prevent the extension cable from being dropped from the charging jack and being brought into contact with the other member, and to be able to improve the design. . In addition, when the seated person uses the chair while the battery is being fed, the extension cable can be prevented from becoming an obstacle.

The extension cable is preferably disposed along the lower surface of the leg portion.
According to the above configuration, since the extension cable is disposed along the lower surface of the leg portion, the leg of the seated person is prevented from being applied to the extension cable, and the extension cable is prevented from being detached from the charging jack. In addition, it is possible to prevent the extension cable from interfering when the occupant uses the chair while the battery is being supplied.

Moreover, it is preferable that the said leg part has a hollow part and the said extension cable is arrange | positioned through the said hollow part of the said leg part.
According to the above configuration, the extension cable is disposed so as to pass through the hollow portion of the leg portion, so that the seated person's foot is prevented from being applied to the extension cable, and the extension cable is disconnected from the charging jack. It is possible to prevent the extension cable from interfering when the seated person uses the chair while the battery is being supplied.

According to the present invention, it is possible to avoid the charging cable inserted into the charging jack from interfering with the operation of the operation unit, and it is possible to supply power to the stimulating device and the control device so that they can be stably operated.
Further, according to the present invention, when the seated person extends the hand from the vertical direction of the operation unit to operate the operation unit, the charging cable connected to the charging jack can be prevented from interfering with the operation. .
In addition, according to the present invention, it is possible to avoid that the charging cable connected to the charging jack is in the way when a seated person extends his / her hand from the operation unit side in the width direction of the chair and operates the operation unit.
Moreover, according to this invention, it can prevent that the charge cable connected to the charge jack provided in the back side of the chair is caught in a seated person's leg.
Moreover, according to this invention, it can prevent that the charge cable connected to the charge connector obstructs a seated person.
Furthermore, according to this invention, it can avoid that the charging cable connected to a charging connector is caught in a caster.
In addition, according to the present invention, the extension cable can be prevented from falling off the charging jack due to being caught by another member and being brought into contact with the other member, and the design can be improved. In doing so, the extension cable can be prevented from getting in the way.
Moreover, according to this invention, even if it is a case where a cover is attached to the main-body part of a seat part or a backrest, it becomes possible to charge, without removing a cover.
Further, according to the present invention, a standing person can easily insert the charging cable into the charging connector.
In addition, according to the present invention, it is easy to insert the charging cable into the charging connector, and it is possible to easily suppress the intrusion of foreign matters falling from above.
Further, according to the present invention, it is possible to avoid the intrusion of foreign matter falling from above, and it is possible to prevent the portion near the charging connector in the charging cable from being deteriorated and disconnected.

It is an external view of the chair with a leg concerning a 1st embodiment of the present invention. It is a lower side perspective view which shows the cushion pan lower surface to which a holding | maintenance cover and a seat part cover are attached. It is typical sectional drawing which shows the III-III cross section of FIG. It is a disassembled perspective view, such as a control apparatus attached to a chair with a leg, a battery, and a holding cover. It is a perspective view which shows the holding cover of the state which hold | maintained the control apparatus and the battery. It is a typical front view which shows the state in which the holding cover holding a control apparatus and a battery was attached to the lower surface of the cushion pan. It is a typical front view which shows the state which attached the seat part cover to the lower surface of the resin plate of a cushion pan. It is an external view of the chair with a leg concerning 2nd Embodiment. It is typical sectional drawing which shows the IX-IX cross section of FIG. It is an external view of the chair with a leg concerning 3rd Embodiment. It is a typical top view which shows the state which attached the holding cover to the rear surface of the resin plate of a backpan.

The present invention relates to a chair, and more particularly, to a chair provided with an awakening device (a dozing prevention device).
The embodiment described below is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. That is, the shape, dimensions, arrangement, and the like of the members described below can be changed and improved without departing from the spirit of the present invention, and the present invention naturally includes equivalents thereof.

<< First Embodiment >>
Hereinafter, the legged chair S according to the first embodiment of the present invention, the ECU 7 provided in the legged chair S, the battery 8, the holding cover 71 that holds them, and the seat cover 57 that covers them will be described with reference to the drawings. While explaining.
In the following description, the front-rear direction indicates the front-rear direction of the chair, the left-right direction indicates the left-right direction of the chair, and is also referred to as the width direction of the chair.

<About the overall configuration>
First, with reference mainly to FIGS. 1-3, the main structure of the chair S with a leg concerning 1st Embodiment is demonstrated. Here, FIG. 1 is an external view of the legged chair S according to the first embodiment of the present invention, and FIG. 2 is a lower perspective view showing the lower surface of the cushion pan F21 to which the holding cover 71 and the seat cover 57 are attached. 3 is a schematic cross-sectional view showing a III-III cross section of FIG.

  The legged chair S mainly includes a leg member F3, a cushion pan F21 attached to the leg member F3 and supporting the buttocks of the seated person, a back pan F22 that is a backrest connected to the cushion pan F21, and awakening. It is comprised from the apparatus U.

The leg member F3 is composed of a leg part F31 branched into four parts and a column cylinder F30 continuously formed on the leg part F31, and is mainly made of a resin material.
A caster F31a is attached to each of the four branches of the foot F31.
In addition, the foot portion F31 is configured to branch into four in this embodiment, but may be configured to branch into three or more, and may not include the caster F31a.

  The column cylinder F30 is fixed at the center of the foot part F31 and extends upward. In a column cylinder F30, a column F21a described later is passed and fixed.

  The cushion pan F21 corresponds to a seat according to the present invention. As shown in FIG. 2, the cushion pan F21 is made of a metal seat frame 74, a resin plate F21d attached to the upper portion of the seat frame 74, and a resin. And a pad portion F21e with a skin attached to the upper part of the plate F21d.

  The seat frame 74 has a lower frame part F21b extending in the seat width direction, and an upper frame that is above the lower frame part F21b and extends so as to cross the lower frame part F21b. Part F21c.

  The lower frame portion F21b extends in the seat width direction on the rear side of the cushion pan F21, and a through hole F21f is formed at the center of the lower frame portion F21b through which the support column F21a passes.

The upper frame part F21c extends in the front-rear direction of the chair at the center in the width direction of the chair, and is joined to the lower frame part F21b by welding. At the center of the upper frame portion F21c, a pipe-like column F21a extending perpendicularly to the periphery is joined by welding or the like.
Two through-holes F21h through which the tapping screw N1 (see FIG. 4) is passed are formed in the front and rear at a portion of the upper frame portion F21c that does not overlap the lower frame portion F21b.
Specifically, the through hole F21h is for passing the upper frame portion F21c and the lower frame portion F21b joined together and a tapping screw N1 for attaching the holding cover 71 described later to the resin plate F21d. .

  The resin plate F21d corresponds to the main body according to the present invention, and has a plurality of holes F21j formed in the vertical direction as shown in FIG. 3 in order to dissipate heat transmitted from the seated person's buttocks. The punch hole F21j has a heat dissipation function and also has a function of inserting a harness 11 described later up and down the resin plate F21d.

The pad portion F21e with skin is composed of a pad portion F21o made of a cushion material such as urethane and a skin 44 covering the pad portion F21o, and a breathing sensor 9 described later is disposed between the skin 44 and the pad portion F21o. Has been.
As shown in FIG. 3, the pad portion F21o is formed with a guide hole F21k for guiding the harness 11 to the ECU 7 described later.
The guide hole F21k is formed so as to extend obliquely forward and downward from the front of the respiratory sensor 9 provided on the upper surface of the pad portion F21o to the vicinity of the ECU 7.

The back pan F22 is connected to the rear portion of the cushion pan F21 and is formed to extend substantially vertically upward from the cushion pan F21.
The back pan F22 has a configuration similar to that of the cushion pan F21, and includes a resin plate F22d and a pad portion F22e with skin attached to the front side of the resin plate F22d.

  The resin plate F22d corresponds to a main body according to the present invention, and a vibration device 35 shown in FIG. 1 is attached to the center of the back surface of the resin plate F22d. As will be described in detail later, the vibration device 35 is a component of the awakening device U, and applies vibration stimulation to the seated person in accordance with a control signal from the ECU 7.

  The pad portion with skin F22e is composed of a pad portion (not shown) made of a cushioning material such as urethane and a skin skin (not shown) covering the pad portion, like the pad portion with skin F21e.

<About awakening equipment>
Next, the awakening device U will be described.
The awakening device U according to the present embodiment mainly includes an ECU 7, a battery 8, a respiration sensor 9, and a vibration device 35.

  The vibration device 35 is a device including a so-called “vibration motor” made of a known unbalanced mass motor.

The ECU 7 is a central function that comprehensively executes electric control. In this example, the ECU 7 has a function of driving and controlling the vibration device 35 based on a potential difference signal converted into a digital signal indicating a breathing interval.
The ECU 7 according to the present embodiment is a general-purpose ECU in terms of hardware, which includes a CPU, ROM, RAM, and the like for arithmetic control.
The ECU 7 is connected to a harness 11 connected to the respiration sensor 9 shown in FIG. 3, a harness (not shown) connected to the vibration device 35, and a cable (not shown) connected to the battery 8.

The signal input to the ECU 7 from the respiration sensor 9 via the harness 11 is a potential difference signal converted into a digital signal by the signal processing circuit, and the output is electric power for driving the vibration device 35. is there.
The RAM temporarily stores parameters including signals under calculation control and input / output signals, and functions as a storage unit that stores potential difference signals converted to digital signals and other signals.

The ROM stores a program executed by the CPU and a parameter of a predetermined value. For example, a reference value setting unit that sets a predetermined reference value, a determination unit that determines a wakefulness based on the reference value, and the vibration device 35 A drive unit or the like for driving is recorded as a program.
The drive unit has a function of driving the vibration device 35 by supplying power in accordance with an instruction from the CPU.
The CPU instruction signal is formed by calculating a signal from the respiration sensor 9.
That is, the signal transmitted from the respiration sensor 9 is used to determine the awake state of the seated person, and when it is determined that the seat is not in the awake state, a signal for driving the vibration device 35 is transmitted from the CPU. Yes. In addition, the said structure should just use a well-known structure, and you may make it use a heart rate sensor instead of the respiration sensor 9. FIG.

  The ECU 7 constituting the awakening device U is attached to the lower surface side of the cushion pan F21 by a holding cover 71 as shown in FIG. 3, and the vibration device 35 is a seated person of the back pan F22 as shown in FIG. It is attached near the center of the side facing side.

  The battery 8 is composed of a rechargeable battery, has a function of supplying electric power to the ECU 7 and the vibration device 35, and is formed in a plate shape in the present embodiment. The battery 8 is attached to be overlapped below a control device U1 described later, and a charging jack 80a is formed on the front surface. The battery 8 is charged from a household power source by connecting a charging cable 67 (see FIG. 7) from the charging jack 80a. And the battery 8 can divert the battery used for charge, such as a smart phone.

<Regarding the holding cover for holding the ECU and the battery>
Next, a holding cover 71 that holds the ECU 7 and the battery 8 will be described with reference to FIGS. 4 to 6 in addition to FIGS.
4 is an exploded perspective view of the control device U1, the battery 8, and the holding cover 71 attached to the chair S with legs, and FIG. 5 shows the holding cover 71 in a state where the control device U1 and the battery 8 are held. 6 is a schematic front view showing a state in which the holding cover 71 that holds the control device U1 and the battery 8 is attached to the lower surface of the cushion pan F21. FIG. 7 is a view of the resin plate F21d of the cushion pan F21. It is a typical front view which shows the state which attached the seat part cover 57 to the lower surface.

  In the present embodiment, the ECU 7 is covered and supported by the base member 72 and the cover member 73, and is further held together with the battery 8 by the holding cover 71 and attached to the upper frame portion F21c. Note that a unit in which the ECU 7, the base member 72, and the cover member 73 are combined is also referred to as a control device U1.

As shown in FIG. 5, the base member 72 and the cover member 73 are fastened by a fixing screw N2 in a state where the ECU 7 is stored, stacked on the battery 8, and held in the housing groove 71a.
The holding cover 71 corresponds to one of the covers according to the present invention. The holding cover 71 includes an accommodation groove 71a having an open top and a substantially U-shaped vertical cross section, and is formed of a resin material. The holding cover 71 holds the battery 8 and the control device U1 in the housing concave groove 71a.

The holding cover 71 has an opening 71i on the front side, and is formed so that the battery 8 held in the housing concave groove 71a is exposed through the opening 71i.
Since the opening 71 i is formed in the holding cover 71 as described above, the respective devices can be electrically connected while the ECU 7 and the battery 8 are held by the holding cover 71.
The holding cover 71 is attached to the upper frame portion F21c so that the opening 71i faces forward, so that the seated person inserts and removes the harness 11, the charging cable 67, and the like behind the holding cover 71. It can be performed in a state where a certain column cylinder F30 is sitting on the chair S with legs without being in the way.

  The opening 71 i functions as a through hole for the charging cable 67 inserted into the charging jack 80 a by exposing the charging jack 80 a of the battery 8.

  In addition, in order for the opening 71 i to function as a through hole for the charging cable 67, the holding cover 71 may be attached so that the opening 71 i does not face the support column F 21 a that is an obstacle when the charging cable 67 is passed. That is, the holding cover 71 may be attached so that the opening 71i faces not only the front side but also the side and rear if the opening 71i does not face the support column F21a.

In addition, a plurality of L-shaped ribs 71d having lower portions formed long in the width direction of the chair are formed side by side in the front-rear direction of the chair on the inner walls of the holding cover 71 on both sides in the width direction of the chair. A base member 72 described later is placed on the rib 71d. The lower portions of the pair of ribs 71d in the chair width direction are formed at intervals longer than the length of the battery 8 so that the battery 8 can be held in the chair width direction. Is also formed at a high height.
Furthermore, the rib 71e which is the foremost in the front-rear direction of the chair of the holding cover 71 is formed such that the upper portion projects from the other rib 71d in the width direction of the chair. More specifically, the length between the pair of ribs 71e on both sides in the width direction of the chair is set to be shorter than the length in the width direction of the chair in the cover member 73 described later.
For this reason, the cover member 73 that covers the ECU 7 and is held by the holding cover 71 is restricted from moving forward by the rib 71e.

The base member 72 and the cover member 73 are frames having a substantially U-shaped vertical cross section.
Specifically, the base member 72 has a substantially U-shaped cross section, and extends in the front-rear direction longer than the width direction length.
On the other hand, the cover member 73 has a substantially U-shaped cross section and extends in the width direction longer than the length in the front-rear direction.
These are stacked one above the other to form a storage space for the ECU 7.
The base member 72 and the cover member 73 are fastened by the fixing screw N2 in a state where the ECU 7 is stored, stacked on the battery 8, and held in the housing concave groove 71a.

  The control device U <b> 1 is stored together with the battery 8 in the housing groove 71 a of the holding cover 71. In this state, the holding cover 71 is fastened to the cushion pan F21 by the tapping screw N1.

<Battery power supply>
As described above, the battery 8 is fed by inserting the charging cable 67 into the charging jack 80a. When using the legged chair S while supplying power, the charging cable 67 may be an obstacle.
In particular, in the legged chair S provided with the operation lever 10, the charging cable 67 may interfere with the operation of the operation lever 10.
For this reason, as shown in FIG. 6, the charging jack 80 a of the battery 8 is provided at a position avoiding the movable range of the operation lever 10.
With this configuration, when operating the operation lever 10, it is possible to suppress the charging cable 67 connected to the charging jack 80 a from interfering with the operation.

In particular, the charging jack 80a is preferably provided at a position avoiding the upper and lower portions of the movable range of the operation lever 10.
If comprised in this way, it can suppress more that the hand of the seated person who operates the operation lever 10 touches the charge cable 67 connected to the charge jack 80a, and obstructs operation.

Further, the charging jack 80a is disposed on the opposite side of the operation lever 10 attached to one side in the width direction of the chair in the cushion pan F21.
With this configuration, when the seated person sitting on the cushion pan F21 extends the hand from one side in the width direction of the chair and operates the operation lever 10, the charging cable 67 connected to the charging jack 80a is used. Can be prevented from getting in the way.

Further, the holding cover 71 may be attached so that the charging jack 80a faces the back side of the cushion pan F21.
According to such a configuration, the charging cable 67 is avoided from being placed in the place for the leg of the seated person on the front side of the cushion pan F21, and the charging cable 67 is prevented from getting in the way, such as being caught on the leg. be able to.

<< Second Embodiment >>
Next, the legged chair S2 according to the second embodiment will be described with reference to FIGS.
Here, FIG. 8 is an external view of the legged chair S2 according to the second embodiment, and FIG. 9 is a schematic cross-sectional view showing the IX-IX cross section of FIG.
The legged chair S <b> 2 includes a charging connector 65 at the tip of the foot F <b> 31, and has a configuration in which the battery 8 can be fed by inserting a charging cable 67 into the charging connector 65.

A detailed configuration of the legged chair S2 will be described.
The seat cover 58 of the legged chair S2 is formed and attached so as to cover only the front side of the support column F21a on the lower surface of the resin plate F21d.
A through hole 58a for exposing the charging jack 80a of the battery 8 is formed at a position facing the support column F21a on the rear surface of the seat cover 58.
The battery 8 is held by the holding cover 71 so that the charging jack 80a faces rearward facing the support column F21a. The holding cover 71 has a through hole 75a that exposes the charging jack 80a at the rear. ing.
The seat cover 58 is not formed with an opening 57c. For this reason, it is possible to prevent dust from entering the ECU 7 and the battery 8 in the seat cover 58.

In addition, a through hole F21n communicating with the outside and the internal space is formed on the front side of the support column F21a facing the seat cover 58.
That is, in the state where the seat cover 58 covers the holding cover 71, the through hole 58a, the through hole 75a, and the through hole F21n are opposed to each other, and the extension cable 66 is passed through the inside of the support column F21a through these. Yes.
Since the extension cable 66 is arranged so as to pass through the internal space of the support column F21a in this way, the extension cable 66 is not caught by members around the legged chair S2, and deterioration is prevented by applying no external force. And improve design.
Further, since the extension cable 66 does not touch the seated person, the seated person can comfortably use the legged chair S2.

As shown in FIG. 8, a charging connector 65 is disposed at the tip of a foot F31 above the caster F31a in the leg member F3.
The extension cable 66 has one end connected to the charging jack 80a and the other end connected to the charging connector 65, and is disposed along the lower surface of the foot F31.
With such a configuration, since the extension cable 66 is disposed along the lower surface of the foot F31, the extension cable 66 can be prevented from being applied to the leg of the seated person, and the extension cable 66 can be disconnected from the charging jack 80a. Can be avoided.
If the foot part F31 has a hollow part, the same effect can be obtained even if the extension cable 66 is passed through the hollow part.
Further, the battery 8 can be charged by inserting the charging cable 67 into the connection port 65a of the charging connector 65 at the tip of the foot F31 close to the floor. For this reason, since the charging cable 67 is not disposed on the space obliquely in the vertical direction but is disposed so as to crawl on the floor, the charging cable 67 is easy to use without disturbing a person passing around the legged chair S.
Moreover, since the charging connector 65 is formed above the caster F31a, it is possible to prevent the charging cable 67 connected to the charging connector 65 from being caught in the caster F31a.
Furthermore, the seated person can more easily see the tip of the foot F31 than the vicinity of the lower surface of the cushion pan F21, and can easily connect a charging cable (not shown) to the charging connector 65.

  The seat cover 58 is an optional component, and the holding cover 71 may be exposed and attached.

<< Third Embodiment >>
Next, a legged chair S3 according to a third embodiment will be described with reference to FIG.
Here, FIG. 10 is an external view of the legged chair S3 according to the second embodiment.
The legged chair S3 according to the third embodiment includes a charging connector 65 attached to the upper part of the backrest cover 55 attached to the back surface of the resin plate F22d of the back pan F22 so that the connection port 65a faces upward.
The extension cable 61 is connected to the battery 8 and the charging connector 65 through the inside of the cushion pan F21 and the back pan F22.

  According to such a configuration, since the charging connector 65 is attached to the back cover 55, it is possible to charge the battery 8 by inserting the charging cable 67 into the charging connector 65 without removing the back cover 55. It becomes.

  In particular, since the charging connector 65 is attached to the upper portion of the backrest cover 55, the charging cable 67 can be easily inserted into the connection port 65a without bending a standing person.

The place where the charging connector 65 is attached is not limited to the upper part of the backrest cover 55, but may be attached to the side surface or the lower surface of the backrest cover 55.
By attaching the charging connector 65 to the side surface or the lower surface of the backrest cover 55 so that the connection port 65a faces sideward or downward, foreign matter falling from above is prevented from entering the connection port 65a. can do.

In particular, when the charging connector 65 is attached so that the connection port 65a faces downward, the charging cable 67 connected to a household outlet generally provided at a low height is largely bent near the connection port 65a. You can avoid that.
For this reason, it is possible to suppress deterioration of the charging cable 67 and to avoid occurrence of disconnection.
Furthermore, the attachment of the charging connector 65 is not limited to the backrest cover 55, and it may be attached to the seat cover 57, 58.

F21 cushion pan (seat)
F21a Post F21b Lower frame part F21c Upper frame part F21d Resin plate (main part)
F21e Pad part with skin F21f Through hole F21h Through hole F21j Drain hole F21k Guide hole F21n Through hole F21o Pad part F22 Back pan (backrest)
F22d Resin plate (main part)
F22e Pad part with skin F3 Leg member F30 Column cylinder F31 Foot part F31a Caster N1 Tapping screw N2 Fixing screw S, S2, S3 Chair with chair U Awakening device U1 Control device 10 Operation lever (operation part)
11 Harness 35 Vibration device (stimulation device)
44 Skin 55 Back cover 57, 58 Seat cover (cover)
57c Opening 58a Through port 61 Extension cable 65 Charging connector 65a Connection port 66 Extension cable 67 Charging cable 7 ECU
71 Holding cover (cover)
71a Housing groove (concave)
71d, 71e Rib 71i Opening 72 Base member 73 Cover member 74 Seat frame 75a Through hole (opening)
8 Battery 80a Charging jack 9 Respiration sensor (sensor)

Claims (13)

A seat,
A wake-up device for waking up the occupant having a sensor for detecting a body signal of the occupant, a stimulating device for stimulating the seated occupant, and a control device for controlling the stimulating device;
A rechargeable battery having a charging jack and supplying power to the stimulator and the controller;
An operation unit for changing the state of the chair,
The charging jack of the battery is provided at a position that avoids the movable range of the operation unit,
The seat portion includes a pad portion,
The sensor is provided on the upper surface of the pad portion,
The sensor and the control device are connected by a harness,
A guide hole for guiding the harness is formed in the pad portion,
The harness extending from the sensor is passed through the guide hole and connected to an ECU provided in the control device,
The chair characterized in that a connecting portion between the harness and the ECU overlaps with the charging jack of the battery in the vertical direction of the chair. A cover attached to the body of the seat and covering the battery;
An opening is formed in the cover,
The charging jack is exposed from the opening,
The chair according to claim 1, wherein the harness passes above the battery and is folded back. A base member is provided between the ECU and the battery,
The chair according to claim 1 or 2, wherein the base member includes a pair of wall portions in a width direction of the chair, and a vertical cross section including the wall portions is a frame body having a substantially U shape. . A resin plate is attached to the lower part of the pad part,
The resin plate has a hole formed in the vertical direction,
The chair according to any one of claims 1 to 3, wherein the harness is inserted through the hole. The chair according to claim 4, wherein a width of the punch hole in the front-rear direction of the chair is larger than that of the guide hole.   The chair according to any one of claims 1 to 5, wherein the charging jack is disposed at a position that does not overlap with the operation unit in a vertical direction.   The chair according to any one of claims 1 to 6, wherein the charging jack is disposed on the opposite side in the width direction of the chair with respect to the side on which the operation unit is located.   The chair according to any one of claims 1 to 7, wherein the charging jack is disposed on a rear side in the front-rear direction of the chair. The seat;
A column supporting the seat from below;
Legs attached to the column;
An extension cable having a charging connector connected at one end to the charging jack and connecting a charging cable at the other end;
The extension cable is disposed along the support column to the leg part,
The chair according to any one of claims 1 to 8, wherein the charging connector is fixed to the leg portion. Casters are attached to the legs,
The chair according to claim 9, wherein the charging connector is fixed to a tip of the leg portion above the caster. The support column is formed in a cylindrical shape,
The chair according to claim 9 or 10, wherein the extension cable is disposed up to the leg portion through the support column.   The chair according to any one of claims 9 to 11, wherein the extension cable is disposed along a lower surface of the leg portion. The chair according to any one of claims 9 to 12, wherein the leg portion has a hollow portion, and the extension cable is disposed through the hollow portion of the leg portion.

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