JP2001211968A - Chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair capable of automatically adjusting a seat height and a backrest part to suitable positions when a therapist or a user having a different leg length is to sit down. SOLUTION: In the chair having a seat part 1 and a freely rising/falling backrest part 2 held with a leg part 4, this chair is provided with an elevating/ lowering mechanism (elevating/lowering means) 5 for integrally elevating/ lowering the seat part 1 and the backrest part 2 at the lower part of the seat part 1 of this chair, the seat part 1 and the backrest part 2 can be made rise/fall and elevated/lowered to be held at the suitable positions and can be adjusted to the positions adaptive for the leg length or physique of the therapist or the user.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair in which a seat portion and a backrest portion of a massage chair or a normal chair can be integrally moved up and down so as to be adapted to a user's physique. It is.

[0002]

2. Description of the Related Art A conventional chair has a seat portion and a backrest portion, and is provided with an optional armrest portion. However, most chairs have a height of the seat portion and a backrest portion. The height is standardized in consideration of the Japanese physique and is set in advance.

In a massage chair, such a conventional chair is provided with a massage function, and a driving mechanism of a treatment element and a compressed air supply / discharge device capable of performing a kneading operation and a hitting operation in a backrest portion. And the like, and is configured such that the drive mechanism of the treatment element and the expansion / contraction bag can be vertically moved up and down within a predetermined range in the backrest portion. General.

Further, some conventional chairs and massage chairs are provided with a reclining mechanism capable of manually or electrically tilting the backrest portion to a desired angle. By using this reclining mechanism, The user is allowed to sit or supine in a comfortable position.

[0005]

However, in the above-mentioned conventional chair and massage chair, the height of the seat portion and the height of the backrest portion are set so as to conform to the standard Japanese physique since ancient times. In particular, in the case where a long-legged user such as a young person or a European or American in recent years uses such a chair, there has been a problem that the seat is low and the seating feeling is poor and it is difficult to sit.

[0006] The same applies to a massage chair in which the drive mechanism of the treatment element is electrically moved up and down within a predetermined range in the backrest portion. Because of its low height, it is inconvenient to sit and cannot perform treatment in a relaxed state.

[0007] The present invention has been made in view of the above-described circumstances, and even when a practitioner or user with a different foot length sits on a chair such as a massage chair, the height of the seat of the practitioner or user is increased. It is an object of the present invention to provide a chair which can be arbitrarily adjusted so that the seat can be adjusted and the backrest can be automatically adjusted.

[0008]

A chair according to the present invention is configured as follows to achieve the above object. The chair according to claim 1 of the present invention is a chair having a seat portion and a backrest portion held by a leg portion, wherein a lifting means capable of integrally lifting and lowering the seat portion and the backrest portion is provided below the seat portion of the chair. It is characterized by being provided and configured.

The chair according to claim 2 of the present invention is characterized by claim 1
Is characterized in that the backrest portion is provided with an up-and-down mechanism.

The chair according to claim 3 of the present invention further comprises:
The present invention is also characterized in that the backrest portion according to claim 2 is provided with a massage means inside.

According to a fourth aspect of the present invention, there is provided a chair according to any one of the first to third aspects, further comprising a storage circuit for storing an elevation position of the elevating means, and a seat and a seat at the storage position of the storage circuit. It is characterized in that the backrest portion is configured to move up and down.

Further, the chair according to claim 5 of the present invention is characterized by claim 2
In the chair according to the fourth aspect of the present invention, a storage circuit for storing an up-and-down position of the up-and-down mechanism is provided, and the backrest is raised and lowered at the storage position of the storage circuit.

[0013] The chair according to claim 6 of the present invention is characterized by claim 1.
A chair is provided with a recognition means, and the recognition result by the recognition means is transmitted to a storage circuit.

[0014]

The chair according to the present invention has the following functions by adopting the above-mentioned structure. In the chair according to the first aspect of the present invention, the leg holding the seat portion and the backrest portion is configured to hold the seat portion and the backrest portion and to be integrally movable by the lifting means. The seat and the backrest can be lifted and lowered and held in accordance with the length of the user's foot.

In the chair according to the second aspect of the present invention, the seat portion and the backrest portion of the chair having the up-and-down mechanism in the backrest portion are configured to be held up and down by the elevating means. The height of the seat can be adjusted up and down according to the length of the user's foot, and the angle of the backrest can be adjusted to a comfortable posture of the user.

In the chair according to the third aspect of the present invention, the backrest member is provided with a massage means inside, so that the chair can be seated according to the length of the practitioner's feet and a proper massage can be applied to the back. Can do things.

In the chair according to the fourth aspect of the present invention, a storage circuit for storing the elevation position of the elevating means is provided so that the seat is raised and lowered to a previously stored user's seat height. After the user has sat down, if the user memorized in advance is seated again, there is no need to finely adjust the height of the seat, and the seat and backrest are automatically placed in a suitable position for the user. Can be raised and lowered.

The chair according to claim 5 of the present invention is provided with a storage circuit for storing an up-and-down position of the up-and-down mechanism of the back-rest portion, and the back-rest portion is automatically raised and lowered at the storage position of the storage circuit. Therefore, after a different user is seated, if the user stored in advance is seated again, the height of the seat portion is automatically raised and lowered to a position suitable for the user, and the angle of the backrest portion is raised and lowered. Can be automatically undulated to adapt to the user's preference.

In the chair according to the sixth aspect of the present invention, since the recognition means is provided and the result of recognition by the recognition means is transmitted to the storage circuit, it is only necessary to previously recognize the user and the user. The lifting means and the raising / lowering mechanism are automatically operated, and the height of the seat and the height of the backrest of the recognized user and the user can be adjusted.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a chair according to the present invention will be described in detail with reference to an embodiment shown in the accompanying drawings. FIG.
And FIG. 2 is an explanatory view showing one embodiment of the chair of the present invention in which a massage means is internally provided, and FIGS.
It is explanatory drawing which shows one Example of the chair of this invention which equipped the inside with a massage means, FIG.5 and FIG.6 shows one Example of the electric actuator used for the raising / lowering means of a chair of this invention, and an up-and-down mechanism. FIG. 7 to 9
FIG. 2 is a block circuit diagram used for the chair of the present invention.

That is, the basic structure of the chair according to the present invention is as follows. A seat 1 and a backrest 2 provided with a massage mechanism 6 (massage means) inside and made up and down freely by an up-and-down mechanism 3 are mounted on a leg 4. It is what was kept.

The chair according to the present invention is provided with a lifting mechanism 5 (lifting means) which can integrally lift and lower the seat 1 and the backrest 2 under the seat 1 of the chair. In the embodiment, the leg 4 is divided into an upper leg 41 and a lower leg 42 so that the seat 1 and the backrest 2 are integrally lifted and lowered on the leg 4. In addition, an example in which the elevating mechanism 5 is interposed between these two is illustrated, and the upper leg 41
1 shows a structure in which a seat 1 and a backrest 2 are held and can be raised and lowered by a lifting mechanism 5.

In the embodiment shown in FIGS. 1 and 2, the raising / lowering mechanism 3 of the backrest portion 2 includes a fixing member 31 which is supported on the lower surface of the front portion of the seat portion 1 in a hanging manner, and a lower portion of the backrest portion 2. And a hydraulic cylinder 32 interposed between the backrest holding member 34 and the hydraulic cylinder 32. The backrest 2 is pivoted between the end of the lot 33 on the very side of the cylinder 32 and the backrest holding member 34, and the backrest 2 is operated by operating a lever (not shown) capable of expanding and contracting the lot 33 of the hydraulic cylinder 32. This shows what was made undulating.

In the embodiment shown in FIGS. 3 and 4, the up-and-down mechanism 3 is electrically driven. The up-and-down mechanism 3 is supported on the front lower surface of the seat 1 in a hanging manner. Fixed member 31, a backrest holding member 34 integrally provided below the backrest portion 2, and an electric actuator 35 interposed therebetween.
Is connected to an external power supply, and the screw shaft 36 is moved forward and backward by electric power, so that the backrest 2 can be raised and lowered.

The elevating mechanism 5 (elevating means) is for elevating the upper leg 41 in a direction away from the lower leg 42, and is not intended to limit the elevating mechanism 5; Shows an example in which the electric actuator 51 is used.

The electric actuator 51 shown in the embodiment
As shown in FIGS. 5 and 6, a worm 512 provided at the tip of a drive shaft of a drive motor 511, a war gear 513 screwed to the worm 512, a casing 518 having a female screw portion, A screw shaft 514 engraved with a male screw portion 515 to be screwed with the screw portion. The connecting member 517 is integrally connected to the tip of the 516.

That is, the electric actuator 51 is provided with a fixing plate 52 for mounting the electric actuator 51.
The electric actuator 51 is attached to the lower leg portion 42 by the fixing plate 52, and the connecting member 517 of the actuator 51 is connected to the seat 1 on the upper leg portion 41 side to complete the attachment. In a state in which the forward / backward-side male screw portion 516 is retracted, the setting can be made to lower to the normal seat height as shown in FIG. 1, and the forward / backward-side male screw portion 516 is advanced. In this case, the setting can be made such that the height of the seat portion is increased as shown in FIG.

In this case, since the upper leg portion 41 holds the seat portion 1 and the backrest portion 2, these are raised and lowered in series,
In addition, since the upper leg 41 is provided with the armrest 411, the armrest 411 also moves up and down in a series while the armrest height is always at an appropriate position.

The above-mentioned massage means indicates a massage mechanism 6 that allows the user to perform massage and tapping, as well as rubbing and acupressure. The massage mechanism 6 may have any configuration. However, in the embodiment, the driving unit 61 including the treatment element 62 is configured to be able to move up and down, and in addition to the massage massage and the tapping massage by the treatment element 62,
An example is shown in which a mechanical massage mechanism 6 capable of performing rolling massage and vibration massage is provided.

Next, the circuit configuration will be described based on the block circuit diagram shown in FIG. In the drawing, A1 is a storage circuit which stores a number of up / down positions. The operation of the switch S1 detects the up / down position by the position detection circuit E1 of the seat 1 and the up / down position detected by the position detection circuit E1. A comparison circuit D1 compares and determines the position and a large number of stored data stored in the storage circuit A1, through which the data is transmitted to the control circuit B1 by the microcomputer, and the output data received by the control circuit B1 is converted. The data is transmitted to the driving circuit C1, and based on the data of the driving circuit C1, the lifting mechanism 5 is operated to raise and lower the height of the seat 1 to an appropriate position.

In this way, when a user stored in the storage circuit A1 in advance is seated again after a different user is seated, the comparison circuit D1 compares and determines the seat height and sends the data to the control circuit B1. The seat 1 can be sent and raised and lowered to a position (stored) suitable for the user.

Note that S2 is a manual switch, which is different from the switch S1 for automatic elevation by the storage circuit A.
It is for raising and lowering the seat 1 to an arbitrary position manually.

The block circuit diagram shown in FIG. 8 is provided with a storage circuit A2 for storing the raised and lowered positions of the backrest 2, and the storage circuit A2 is configured to store a number of raised and lowered positions. The circuit is a circuit, and by operating the switch S3, an up-and-down position is detected by a position detection circuit E2 of the backrest portion 2 raised and lowered by an electric up-and-down mechanism 3 such as an electric actuator 35, and an up-down position detected by the position detection circuit E2. When,
A comparison circuit D2 compares and judges a large number of stored data stored in the storage circuit A2, and data is transmitted to a control circuit B2 by a microcomputer via the comparison circuit D2.
2 to the drive circuit C2.
The undulating mechanism 3 is operated based on the data of the driving circuit C2, and the undulating position of the backrest 2 is raised and lowered to an appropriate position.

In this way, when a user stored in the storage circuit A2 in advance is seated again after a different user is seated, the comparison circuit D2 compares and determines the up-and-down angle of the backrest portion 2 and controls the control circuit D2. The data can be transmitted to B2, and the backrest 2 can be raised and lowered to a position (stored) suitable for the user.

Note that S4 is a manual switch, which is different from the switch S3 for automatically raising and lowering by the storage circuit A2, for manually raising and lowering the backrest 2 to an arbitrary position.

The block circuit diagram shown in FIG. 9 is provided with a recognition circuit F for transmitting the recognition results of the recognition means of the user and the practitioner to the drive circuit. The recognition circuit F of the microcomputer can recognize the recognition result by the recognition means such as the magnetic card and the password in addition to the ID card and the fingerprint of the user and the user, and can give an instruction as to whether or not to drive the driving unit. Things.

That is, the recognition result recognized by the recognition circuit F is transmitted to the detection circuit E, and the transmission result is stored in the storage circuit A.
Is compared with the storage data stored in
Through this, data is transmitted to the control circuit B by the microcomputer, the output data received by the control circuit B is transmitted to the drive circuit C, and the drive unit is driven based on the data of the drive circuit C. I'm trying to give instructions.

This recognition circuit F is the same as that shown in FIGS.
A storage circuit A1 for storing the elevation position of the seat portion 1 and automatically moving up and down, and a storage circuit for storing the elevation position of the backrest portion 2 and automatically undulating. When this is used for the device provided with A2, when the user or the practitioner stored in advance in the storage circuits A1 and A2 is seated, the comparison circuit D1 and D2 use the seat 1.
The position of the seat 1 is raised and lowered and the backrest 2 is raised to a position (stored) suitable for the user by comparing and estimating the elevation position of the backrest 2 and the elevation angle of the backrest 2. Can be performed automatically.

Although the embodiment shows an example in which the massage means 6 is provided inside the backrest member 2, in the case of a normal chair having no massage means 6, the massage means 6 is used instead. An elastic member such as urethane having a cushioning property is provided inside.

[0040]

According to the chair of the present invention, the leg of the chair having the seat and the backrest held by the leg is divided into an upper leg and a lower leg, and the chair is raised and lowered between the two. Because it is configured so that the seat height can be adjusted by interposing means,
Unlike conventional chairs and massage chairs that have a seat height and backrest height set to match the standard Japanese physique, the seat height is suitable for users of any physique And it can be set as a comfortable chair having the height of the backrest.

In the chair according to the present invention, the seat portion and the backrest portion of the chair having the up-and-down mechanism in the backrest portion are configured to be able to move up and down at the same time. The height of the backrest can be adjusted to suit the user's comfortable posture.

Further, the chair of the present invention is a chair in which the backrest member is provided with a massage means, so that the chair can be seated according to the length of the user's feet and massage can be applied to the back at an optimum position. it can.

Furthermore, the chair of the present invention is provided with a storage circuit for storing the elevation position of the elevating means so as to elevate the seat to the previously stored seat height of the user. The user can always obtain a sitting posture at an optimum sitting height position.

Further, the chair according to the present invention is provided with a storage circuit for storing the up-and-down position of the up-and-down mechanism of the back-rest portion, and the chair is automatically raised and lowered at the previously stored back-and-back angle of the user. The memorized user can always obtain the sitting posture at the optimum backrest angle.

Further, the chair of the present invention can be provided with a recognition means so that it can be set to be used only by the user and the practitioner who has been recognized in advance. It is possible to manage unattended chairs that children do not want to use.

Further, according to the chair provided with the recognition means, the seat height of the recognized user and the user and the undulation angle of the backrest portion even after use by any user. Is stored, it is possible to always return to the optimal sitting posture.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing one embodiment of a chair of the present invention in which a massage means is internally provided.

FIG. 2 is an explanatory view showing one embodiment of a chair of the present invention in which a massage means is internally provided.

FIG. 3 is an explanatory view showing one embodiment of a chair of the present invention in which a massage means is internally provided.

FIG. 4 is an explanatory view showing an embodiment of a chair of the present invention in which a massage means is internally provided.

FIG. 5 is an explanatory view showing an embodiment of an electric actuator used for the lifting / lowering means and the raising / lowering mechanism of the chair of the present invention.

FIG. 6 is an explanatory view showing one embodiment of an electric actuator used for the lifting means and the up-and-down mechanism of the chair of the present invention.

FIG. 7 is a block circuit diagram showing a circuit used in the chair of the present invention.

FIG. 8 is a block circuit diagram showing a circuit used in the chair of the present invention.

FIG. 9 is a block circuit diagram showing a circuit used in the chair of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seat part 2 Backrest part 3 Raising mechanism 4 Leg part 5 Elevation mechanism (elevation means) 6 Massage mechanism (massage means) A storage circuit A1 storage circuit A2 storage circuit B control circuit B1 control circuit B2 control circuit C drive circuit C1 drive Circuit C2 Drive circuit D Comparison circuit D1 Storage circuit D2 Storage circuit E Detection circuit E1 Position detection circuit E2 Position detection circuit F Recognition circuit

Claims (6)

[Claims] 1. A chair having a seat portion and a backrest portion held by a leg portion, wherein a lower portion of the chair portion is provided with lifting means for lowering the seat portion and the backrest portion integrally. Chair. 2. The chair according to claim 1, wherein the backrest is provided with an up / down mechanism. 3. The chair according to claim 1, wherein a massage means is provided inside the backrest portion. 4. A storage circuit for storing an elevation position of said elevating means, wherein a seat and a backrest are moved up and down at the storage position of said storage circuit. The described chair. 5. The chair according to claim 2, further comprising a storage circuit for storing an up-and-down position of the up-and-down mechanism, wherein the backrest is raised and lowered at the storage position of the storage circuit. . 6. The chair according to claim 1, wherein recognition means is provided on the chair according to claim 1, and a recognition result by said recognition means is transmitted to a storage circuit. .