JP4858063B2 - Seat tilting chair - Google Patents

Description

  The present invention relates to a seat tilting chair in which a seat tilts with respect to a base.

  As a seat tilting chair in which the seat is supported to be tiltable in the front / rear and left / right directions and the seat tilts with respect to the base, a ball joint is provided between the seat and the support, and the ball joint is provided around the ball joint. Supporting the seat through four compression coil springs in the vertical direction (see Patent Document 1), providing a dome-shaped convex part between the seat and the receiving part, the convex part and its periphery The seat portion is supported by four compression coil springs in the vertical direction provided on (see Patent Document 2), and the seat portion (saddle) is supported by a spherical sliding bearing via a support shaft. (Refer to Patent Document 3), a universal joint is provided between the seat and the support, and the seat is supported via an elastic support member (cylindrical cushioning material) provided around the universal joint. (Refer to Patent Document 4).

  Such a seat portion tilting chair intentionally makes the seat portion unstable so that the seat portion easily tilts due to a change in the posture of the user or the like. Therefore, since the user tries to balance by changing his / her posture as if holding the inverted pendulum so that it does not fall down, balance training is naturally performed without being conscious and muscles around the pelvis etc. Strengthened and correct posture. Therefore, it is effective in preventing back pain and rehabilitation. In addition, since the tilt angle of the seat portion is regulated within a predetermined range, the above-described effect can be obtained more safely as compared with the exercise using the balance ball.

JP-A-2002-119362 (FIGS. 1 and 3) Japanese Patent Laying-Open No. 2005-058719 (FIG. 1-2) Japanese Patent Laying-Open No. 2005-287833 (FIGS. 1 and 4) JP 2006-068223 A (FIGS. 1-2)

  Conventional seat tilting chairs have the above-mentioned effects. However, a practitioner such as a doctor, a physiotherapist, an osteopath or an osteopath in the state where the user (the person to be treated) of the chair is sitting. However, there is a problem that it is difficult to operate when the seat is tilted for the purpose of treatment or rehabilitation. In addition, when the user tilts the seat for the purpose of training or the like, the user can tilt the seat within an appropriate range, particularly for a user who has weak muscle strength such as an elderly person. In some cases, the above effects cannot be obtained. Therefore, there is room for improvement in these points.

  The present invention has been made to solve such a problem, and an object thereof is to provide a seat tilting chair that has high operability for a practitioner and can improve the effects of treatment or rehabilitation. To do. It is another object of the present invention to provide a seat tilting chair that can safely move a seat within an appropriate range even when a user with weak muscle strength such as an elderly person tilts the seat himself. And

The seat tilting chair according to the present invention is provided with a handle that is attached to the bottom surface or side surface of the seat and tilted integrally with the seat for the operator to operate, in order to solve the above problems. The seat portion is provided so as to protrude outward at least one of the left and right sides and the rear side.

In addition, the seat tilting chair according to the present invention is a handle that is attached to the bottom surface or side surface of the seat and tilts integrally with the seat for the operator to operate to solve the problem. Is provided so as to protrude outwardly on the left and right sides of the seat portion, and extends in the front-rear direction or the front-rear direction so that the user can hold the handle at the same time as the operator holds the handle. It comes in shape.

  Here, it is preferable that the connection portion of the handle is provided on a connecting metal fitting attached to the bottom surface of the seat portion, and the handle is detachably connected to the connection portion.

  Further, it is preferable that the handle connecting portion is provided on a side surface of the seat portion, and the handle is detachably connected to the connecting portion.

  Furthermore, it is preferable to include a tilt angle sensor that measures at least one of a tilt angle in the front-rear direction and a tilt angle in the left-right direction of the seat portion, and a display that displays the tilt angle measured by the tilt angle sensor.

The seat tilting chair according to the present invention is attached to the bottom or side surface of the seat and tilts integrally with the seat, and a handle for the operator to hold and operate is provided on the left and right sides of the seat. Since it is provided to protrude outward at least one of the rear and the practitioner, such as a doctor, a physical therapist, an osteopath or an osteopath, can move the seat with a handle, the practitioner Therefore, it is possible to improve the effect of treatment or rehabilitation. In addition, since the practitioner moves the seat portion in this manner, the upper body of the user (the person to be treated) can be exercised, so that more effective exercise can be performed. And, in the configuration in which the handle is provided on the left and right sides of the seat part, if the exercise is performed with the front side reflected in a mirror or the like, the difference in tilting in the left and right direction can be easily seen by the left and right handles. It is possible to recognize such differences and perform appropriate exercises. In addition, in the configuration where the handle is provided on the left and right sides of the seat, the muscle strength of the elderly etc. is reduced by moving the seat with the handle while the user is sitting on the seat Even a person can widen the range of motion within an appropriate range and move it safely, and these handles also function as a fall prevention tool.

Further, the seat tilting chair according to the present invention is attached to the bottom surface or side surface of the seat and tilts integrally with the seat, and the handle for the operator to hold and operate on the left and right sides of the seat Write a provided so as to protrude outward, hands 該把, as the person to be treated at the same time in a state where the practitioner grips can be gripped, since the shape extending in the longitudinal direction or longitudinal diagonal direction, the practitioner However, since the seat portion can be moved while holding the handle, the operability of the practitioner is high, and the effect of treatment or rehabilitation can be improved. In addition, since the practitioner moves the seat portion in this manner, the upper body of the user (the person to be treated) can be exercised, so that more effective exercise can be performed. And if you do exercise with the front side reflected in a mirror etc., you can easily recognize the difference in tilting in the left and right direction with the left and right handles, so you can recognize such difference and perform appropriate exercise. When the exercise is performed with the left or right side reflected in a mirror, etc., it is easy to see the difference in tilting in the front-rear direction by the handle extending in the front-rear direction or the front-rear direction. Can do exercise. In addition, by moving the seat while holding the handle while the user is sitting on the seat surface, even users with weak muscles such as the elderly can safely extend the range of motion within the appropriate range of the seat. These handles also function as tipping prevention devices. In addition, since the operator can hold the front part of the left and right handles at the same time while the operator holds the front part of the handle, the patient can hold the seat under the guidance of the operator. It is easy to grasp the sense of movement, and this sense can be utilized when exercising only by the patient (user).

  Furthermore, when the connection part of the handle is provided on a connection metal fitting attached to the bottom surface of the seat part and the handle is detachably connected to the connection part, in addition to the effect, only the shape of the connection metal fitting is changed. As a result, the connection portion of the handle can be formed, so that the increase in the number of parts and the cost can be suppressed. Moreover, since a handle is attached to the connection part formed in the connection metal fitting with high intensity | strength and rigidity, it is easy to transmit a surgeon's force at the time of operation of a seat part, and operativity improves also from this point. And the handle suitable for the treatment content by the practitioner and the user's preference can be selected and easily replaced and used. Moreover, if the handle is removed, the handle does not get in the way when not in use, and the handle can be easily attached and used immediately when in use.

  Furthermore, when the connection portion of the handle is provided on the side surface of the seat portion, and the handle is detachably connected to the connection portion, in addition to the above effect, the connection portion is formed only on the side surface of the seat portion. Since a handle can be attached, an increase in the number of parts and cost can be suppressed. And the handle suitable for the treatment content by the practitioner and the user's preference can be selected and easily replaced and used. Moreover, if the handle is removed, the handle does not get in the way when not in use, and the handle can be easily attached and used immediately when in use. Further, in particular, when the connection portion on the side surface of the seat portion is an engagement concave portion, and the engagement convex portion formed on the handle is engaged with the engagement concave portion, the connection portion does not get in the way or stand out, Even when using or storing the handle with the handle removed, the appearance does not feel strange and the design can be improved.

  In addition, when a tilt angle sensor that measures at least one of the tilt angle in the front-rear direction and the tilt angle in the left-right direction of the seat portion and a display that displays the tilt angle measured by the tilt angle sensor are provided, The person can perform a more appropriate exercise or give a more appropriate instruction to the patient while quantitatively grasping the tilt angle of the seat. Moreover, since the tilt angle of the seat can be grasped quantitatively for the patient, the treatment effect can be specifically recognized by comparing the tilt angles before and after the procedure. The same applies to the case where exercise is performed only by the patient (user).

  Next, embodiments of the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the embodiments shown in the accompanying drawings, and includes all the embodiments that satisfy the requirements described in the claims. It is a waste. In the present specification, the front and rear, left and right in the state where the user is sitting on a chair or a chair is defined as front and rear and right and left (in the following drawings, the front is indicated by arrows F), and a front view is shown from the right. And

Embodiment 1 FIG.
1-5 is explanatory drawing which shows the structure of the seat part tilting chair based on Embodiment 1 of this invention, FIG. 1 is a perspective view, FIG.2 (a) is a top view, FIG.2 (b) is a front view 3 is an exploded perspective view showing a state in which the handle is removed, FIG. 4 is a perspective view of a connecting metal piece attached to the bottom surface of the seat portion, and FIG. 5 is a perspective view showing a variation of the handle.

  As shown in FIGS. 1 and 2, the seat portion 2 of the seat portion tilting chair 1 is provided with a tilting mechanism 4 between the connecting fitting 8 attached to the bottom surface 2 b of the seat portion 2 and the base portion 3. (Refer to FIG. 2 (b)), and can be tilted forward, backward, left and right with respect to the base 3. Note that the tilting angle of the seat portion 2 in the front-rear and left-right directions is regulated to be, for example, about 15 ° at the maximum.

  The base 3 is configured by a plan view circular support plate 5 on which the tilting mechanism 4 is mounted, a leg body 6 hanging from the center of the support plate 5, and a plan view base 7 supporting the leg body 6. However, the base 7 may be a radial leg or the like. Further, as the tilting mechanism 4, a ball joint or a universal joint is used as the tilting support member, and the seat portion 2 supported so as to be tiltable back and forth and right and left by the tilting support member is elastically supported so as to be substantially horizontal in a free state. The structure which performs is employ | adopted.

  As shown in FIG. 4, the connecting metal fitting 8, which is a rectangular plate, for example, a steel plate, is shown in FIG. 2 (b) with a mounting screw (not shown) using through holes 8 a,. As described above, the seat 2 is fixed along the bottom surface 2b. And, as shown in FIG. 4, the connecting metal fitting 8 is formed with connecting portions 9,... That are formed by extending the center of the left side, the right side, and the rear side outward in the horizontal direction and further bending upward. As shown in FIG. 1, the handle 11,... Is screwed into the female thread portion 9 a of the connecting portion 9,. It is connected and fixed to the connecting portions 9.

  Therefore, since the handle 11,... Tilts integrally with the seat 2, the operator can operate the handle 11, such as a doctor, a physical therapist, an osteopath, or an osteopath. Can be tilted easily. For example, the left and right handles 11B, 11B extending in the front-rear direction can be operated to tilt the seat portion 2 in the left-right direction or the front-rear direction. Further, the seat 2 can be tilted in the front-rear direction by operating the handle 11A after extending rearward. Note that if the rear handle 11A is replaced with a handle extending in the left-right direction, the seat 2 can be tilted in the left-right direction by operating the rear handle.

  As shown in FIG. 4, if the connecting portion 8 is integrated with the connecting bracket 8 using the connecting bracket 8 attached to the bottom surface 2 b of the seat portion 2, the shape of the connecting bracket 8 is changed. Since the connecting portions 9 can be formed only by doing this, the increase in the number of parts and the cost can be suppressed. In addition, since the grips 11 are attached to the connecting portions 9 formed on the coupling metal 8 having high strength and rigidity, the operator's force is easily transmitted when the seat portion 2 is operated, and the operability is also improved from this point. . In addition, since the handles 11,... Are detachable, it is possible to easily select and replace a handle suitable for the treatment content of the practitioner and the user's preference. Moreover, if the handle is removed, the handle does not get in the way when not in use, and the handle can be easily attached and used immediately when in use. The connecting fitting 8 and the handles 11,... May be integrally formed. In this case, the handles 11,... Cannot be attached or detached, but a simple configuration with a reduced number of parts can be achieved.

  Here, the distortion of the pelvis will be described. Many people have neck and back bones distorted due to poor everyday lifestyle and posture, and the pelvis is distorted due to the neck and back bone distortion. In such a case, even if orthodontic treatment of the pelvis is performed, if the deep muscles such as the psoas major and iliac muscles that support the pelvis are not well-balanced, the pelvis is distorted by being pulled by the muscles that are out of balance. I will return. Therefore, after orthodontic treatment of the pelvis, it is very important to train muscles such as the psoas muscle and iliac muscle in a well-balanced manner.

  According to the seat tilting chair 1 of the present invention, while the user (the patient) of the seat tilting chair 1 is sitting on the seat surface 2a of the seat 2, while confirming the status of the patient, The practitioner operates the handles 11,... To tilt the seat 2 and forcibly move the pelvis and the like back and forth and right and left, thereby improving the effect of treatment or rehabilitation. Since the practitioner moves the seat 2 in this manner, the upper body of the user (the subject) can be relaxed, so that more effective exercise can be performed.

  Next, a case where the user himself / herself moves the seat tilting chair 1 for the purpose of maintaining / improving the range of motion of the joint and strengthening the muscular strength will be described. As described above, for example, after orthodontic treatment of the pelvis, it is very important to train muscles such as the psoas major and iliac muscles in a well-balanced manner. Thus, even when sitting on a conventional seat tilting chair, the seat cannot be tilted within an appropriate range.

  On the other hand, the seat tilting chair 1 of the present invention is provided with the handles 11 and 11 on the left and right sides of the seat 2, so that the user holds the left and right handles 11 and 11. Can be moved. Therefore, even a user whose muscle strength is reduced, such as an elderly person, can safely move the seat 2 by expanding the movable range within an appropriate range, and these handles 11 and 11 also function as a fall prevention tool.

  Further, when the practitioner or the user tilts the seat 2 with the grips 11,..., If the front side is reflected in a mirror or the like, the left and right grips 11, 11 cause a difference in tilting in the left-right direction. Therefore, it is possible to recognize such a difference and perform appropriate exercise.

  As the handle 11, a linear handle 11A, a T-shaped handle 11B, a Y-shaped handle 11C, an L-shaped handle 11D as shown in FIG. A handle suitable for the user's preference can be selected and easily replaced. Here, as the structure of these grips 11,..., A structure in which a male external thread part 11 a is embedded in a wooden body, a structure in which the external thread part 11 a is integrally formed as a light alloy such as aluminum, stainless steel The structure formed by welding the end portion in which the male screw portion 11a is formed to the main body formed of a pipe such as a pipe, or a metal nut made of plastic and integrated by insert molding, and the male screw is screwed into the nut to form the male screw portion What is necessary is just to employ | adopt the structure etc. which provide 11a.

  And as the left and right handles 11, 11, the front-rear direction or front-rear of T-shaped handles 11B, 11B, Y-shaped handles 11C, 11C, or L-shaped handles 11D, 11D as shown in FIG. If you use a shape that extends in an oblique direction and the left or right side is reflected in a mirror, etc., you can easily see the difference in tilting in the front-rear direction by the left and right handles that extend in the front-rear direction or the front-rear oblique direction. Recognize such differences and perform appropriate exercises. In addition, since the operator can hold the front part of the left and right handles extending in the front-rear direction or the front-rear direction, the operator can hold the front part of the handle at the same time. Therefore, it is easy to grasp the sensation of the patient to move the seat on the basis of this, and this sensation can be utilized when performing exercise only by the subject (user).

Embodiment 2. FIG.
6-8 is explanatory drawing which shows the structure of the seat part tilting chair based on Embodiment 2 of this invention, FIG. 6 is a perspective view, FIG. 7 is a disassembled perspective view which shows the state which removed the handle, FIG. These are perspective views which show the variation of a handle, and the same code | symbol as FIGS. 1-5 in Embodiment 1 has shown the same or an equivalent part.

  6 and 7, the seat tilting chair 1 according to the second embodiment is configured such that the handles 12,... Are seated by providing the connecting portions 10 of the handles 12,. The structure attached to the side surface 2c of 2 is employ | adopted, and only the attachment structure of such a handle 12, ... is the difference with Embodiment 1, and is the same as that of the seat part tilting chair 1 which concerns on Embodiment 1. FIG. There is an effect.

  .. Are formed on the left and right sides of the side surface 2c of the seat portion 2 and behind the side surface 2c, and the handle 12,... Has engagement protrusions 12a that engage with the engagement recesses 10a,. Are formed, and the grips 12,... Can be attached to and detached from the seat 2 very easily by the concave-convex fitting between the engaging concave portions 10a,... And the engaging convex portions 12a,.

  In addition, the connection part 10 of the seat part 2 does not get in the way and does not stand out, and even when used or stored with the handle 12 removed, the appearance is not uncomfortable and has a design. Can be improved. Furthermore, since the handles 12,... Can be attached only by forming the connecting portions 10,... On the side surface 2c of the seat portion 2, an increase in the number of parts and cost can be suppressed.

  As the handle 12, a linear handle 12A, a T-shaped handle 12B, a Y-shaped handle 12C, an L-shaped handle 12D, etc. as shown in FIG. A handle suitable for the treatment contents and user's preference can be selected and easily replaced. Here, as the structure of these grips 12,..., A structure in which a metal engagement protrusion 12 a is embedded in a wooden body, and the engagement protrusion 12 a is integrally formed of a light alloy such as aluminum. A structure formed by welding an end formed with an engagement projection 12a to a main body formed of a pipe made of stainless steel or the like, or a fitting end of a metal engagement projection 12a made of plastic A structure formed by bonding and fixing may be employed.

  In the above description, the structure in which the grips 11,..., 12,... Are provided on the left and right sides and the rear of the seat portion 2 is shown, but the present invention is not limited to such a structure. ... or 12, ... may be adopted in which the seat portion 2 is provided on the left or right side or the rear side. The seat tilting chair in the present invention includes a seating chair.

Embodiment 3 FIG.
9-10 is explanatory drawing which shows the structure of the seat part tilting chair which concerns on Embodiment 3 of this invention, Fig.9 (a) is the figure seen from the back side (operator side), (b) is FIG. 10 is an enlarged view showing a display example of the display, and FIG. 10 is a block diagram showing a configuration example of a measurement system for the tilt angle of the seat. 9 and 10, the same reference numerals as those in FIGS. 1 to 5 in the first embodiment indicate the same or corresponding parts, and the structure of the seat tilting chair 1 is the same as in FIGS. 1 and 2 of the first embodiment. It is the same.

  As shown in FIG. 9A, an inclination angle sensor 13 such as a servo-type accelerometer for measuring the inclination angle of the seat portion 2 in the front-rear direction and the left-right direction is fixed to the lower surface of the connecting bracket 8, and the inclination angle As shown in FIG. 9B, the tilt angle of the seat portion 2 measured by the sensor 13 is individually displayed on the digital display 14, for example, as the tilt angle in the front-rear direction and the tilt angle in the left-right direction. The tilt angle sensor 13 may be housed in the seat portion 2 instead of being fixed to the lower surface of the connection fitting 8. Or you may attach to the part tilted integrally with the seat part 2, such as the bottom face 2b of the seat part 2. FIG.

  As shown in the block diagram of FIG. 10, power is supplied to the tilt angle sensor 13 from, for example, a signal conditioner 15 with a built-in battery, and the output of the tilt angle sensor 13 is sent to the display 14 via the signal conditioner 15. Sent. And the indicator 14 is installed in the position which a practitioner can visually recognize as shown to Fig.9 (a), or the appropriate position which the practitioner in front of the seat part tilting chair 1 and a to-be-treated person can visually recognize.

  As described above, according to the configuration in which the tilt angle of the seat portion 2 is measured by the tilt angle sensor 13 and displayed on the display device 14, the practitioner is able to grasp the tilt angle of the seat portion 2 quantitatively. Can be given more appropriate exercises or given more appropriate instructions. In addition, since the tilt angle of the seat portion 2 can be grasped quantitatively for the patient, the treatment effect can be specifically recognized by comparing the tilt angles before and after the treatment. Even when exercise is performed only by the patient (user), effective exercise can be performed while grasping the tilt angle quantitatively, and the treatment effect can be specifically recognized. Furthermore, if the display 14 is provided with a peak hold function, the maximum tilt angle during exercise becomes easy to understand, which is a more preferable embodiment.

  In the above description, the tilt angle sensor 13 can measure both the tilt angle in the front-rear direction and the tilt angle in the left-right direction of the seat portion 2. As for measuring only one of these, the measurement result may be displayed on the display 14. Further, for example, in the case of measuring only the tilt angle in the left-right direction, the position where the operator behind the seat tilting chair 1 can visually recognize the seat 2 or the portion tilting integrally with the seat 2. In addition, a digital goniometer or a level device that can read the tilt angle may be attached. As described above, the tilt angle sensor 13 of the present invention and the display 14 for displaying the measured value include devices capable of reading the tilt angle such as a digital goniometer and a level gauge.

It is a perspective view which shows the structure of the seat part tilting chair which concerns on Embodiment 1 of this invention. Similarly, (a) is a plan view and (b) is a front view. Similarly, it is a disassembled perspective view which shows the state which isolate | separated the handle. It is a perspective view of the connection metal piece attached to the bottom of a seat part. It is a perspective view which shows the variation of a handle. It is a perspective view which shows the structure of the seat part tilting chair which concerns on Embodiment 2 of this invention. Similarly, it is a disassembled perspective view which shows the state which isolate | separated the handle. It is a perspective view which shows the variation of a handle. It is explanatory drawing which shows the structure of the seat part tilting chair which concerns on Embodiment 3 of this invention, (a) is the figure seen from the back side (operator side), (b) is an expansion which shows the example of a display of a indicator. FIG. It is a block diagram which shows the structural example of the measurement system of the tilting angle of a seat part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat part tilting chair 2 Seat part 2a Seat surface 2b Bottom surface 2c Side surface 3 Base part 4 Tilt mechanism 5 Support plate 6 Leg 7 Base 8 Connecting metal fitting 8a Through-hole 9 Connection part 9a Female thread part 10 Connection part 10a Engaging recessed part 11, 11A , 11B, 11C, 11D Handle 11a Male threaded portion 12, 12A, 12B, 12C, 12D Handle 12a Engaging convex portion 13 Inclination angle sensor 14 Display 15 Signal conditioner F Front

Claims (5)

A seat tilting chair supported so that the seat can tilt back and forth and left and right;
A handle attached to the bottom surface or side surface of the seat portion and tilted integrally with the seat portion, which is operated by the practitioner, is released to at least one of the left and right sides and the rear side of the seat portion . A seat tilting chair provided to protrude .
A seat tilting chair supported so that the seat can tilt back and forth and left and right;
A handle attached to the bottom surface or side surface of the seat portion and tilting integrally with the seat portion is provided so as to protrude to the left and right sides of the seat portion so as to be held and operated by the practitioner. A seat tilting chair having a shape that extends in the front-rear direction or the front-rear direction so that the user can simultaneously grip the handle while the handle is gripped .
  The seat tilting chair according to claim 1 or 2, wherein the connecting portion attached to the bottom surface of the seat portion is provided with the handle connecting portion, and the handle is detachably connected to the connecting portion.   The seat tilting chair according to claim 1 or 2, wherein the handle connection portion is provided on a side surface of the seat portion, and the handle is detachably connected to the connection portion. A tilt angle sensor that measures at least one of a tilt angle in the front-rear direction and a tilt angle in the left-right direction of the seat portion, and a display that displays the tilt angle measured by the tilt angle sensor. 4. The seat tilting chair according to any one of 4 above.

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