JPS6110683Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a body undulation angle adjusting device used for rehabilitation, beauty care, medical treatment, etc.

In general, patients who have been bedridden for a long period of time are delayed in recovering their ability to stand and walk, so it is sometimes preferable to tilt the bed upward while the patient is lying down to raise the patient's body vertically. However, this type of conventional body elevation device poses a risk of overturning and a risk of power source electricity leaking, giving patients and nurses a sense of anxiety. Another disadvantage is that the entire device becomes large and heavy, and furthermore, the electric motor, hydraulic pump, etc. generate noise. Also,
Saunas and the like use hot water, making it difficult to use electricity and making it impossible to raise and lower the floor safely and easily.

The present invention solves these conventional problems and is highly safe, easy to operate, allows for easy tilting of the floor without requiring a power source, and makes the entire device lighter and more compact. The purpose is to achieve low-cost production. Therefore, the feature of the present invention is that the undulating floor part is pivotally connected to the base frame so that it can freely swing up and down around the axis, and the undulating floor part is elastically biased in the upward swinging direction by a gas spring. However, if the center of gravity of the body lying on the undulating floor and the weight of the undulating floor swings upward beyond the axis, a resilient restoring force is applied to the undulating floor in the downward swinging direction. The torsion restoring member is provided along the axis.

Hereinafter, the present invention will be described in detail based on the illustrated embodiments.

In the perspective view of FIG. 1 and the side views of FIGS. 2, 3, and 4 sequentially showing operating states, 1 indicates four wheels 2...
... and is formed of pipe material or the like, and the base frame 1 connects a pair of chevron-shaped left and right main punches 3, 3, and the front and rear lower ends of each main punch 3. For mounting a horizontal punch 4, a rear lower horizontal punch 5 that bridges the left and right parts of the rear part of the horizontal punch 4, and a gas spring that bridges the left and right parts via a protrusion 6 hanging from the middle part of the horizontal punch 4. A horizontal punch 7, a top horizontal punch 8 that bridges the rearward top of the main punch 3 on the left and right sides, and the top horizontal punch 8.
holding punches 9, 9 protruding upward or slightly rearward and upward from near both left and right ends; and a cylindrical body 10 connected to the upper ends of the holding punches 9, 9 and disposed parallel to the top horizontal punch 8. and a front upper horizontal punch 11 which is disposed in the middle of the gentle slope from the top of the main punch 3 to the front and towards the front of the main punch 3 as a whole, bridging the left and right main punches 3, 3;
It is composed of a front lower horizontal punch 12 that bridges the front lower end portions of the main punches 3, 3 on the left and right sides. The wheels 2 are equipped with casters that can swing freely, and can be stopped rolling with a foot lever 13.
4 can run freely and can stand still at a predetermined place.

The undulating floor section 15 is pivotally mounted around the axis A of the cylindrical body 10 of the base frame 1 so as to be vertically swingable. The front surface 16 is made of a soft material as a vertically long rectangle with a size that prevents the head and shoulders from protruding even when laid down in an extended state, and a pair of left and right main girders 18, 18 on the back surface 17 side are approximately the entire length. At the same time, near the front end, a pair of channel-shaped attendant grips 19, 19 are attached to the rear surface 1 with a pair of left and right sides.
It is installed protrudingly at 7. Further, a footrest 20 on which the sole of the foot comes into contact is attached to the rear end of the floor 15, and although not shown, the angle that the footrest 20 makes with the front surface 16 of the floor 15 can be varied. It is also preferable to do so. The footstool 20 is placed on the floor 1 as shown in FIG.
When 5 stands vertically, it supports the weight of body B.

Further, as shown in FIGS. 1 and 2, a removable support part 21 is attached to the front side of the floor part 15, and specifically, a pipe material or the like is bent into an inverted gate shape and the upper end thereof is bent. The support shafts 22, 2 are attached to the inner surfaces of the left and right main girders 18, 18 by bending them short forward.
The support member 2 is pivotably connected at 2, and
1 is provided with a pair of left and right operating levers 23, 23 protrudingly provided, and is always resiliently biased by a resilient member 24 so as to maintain the support member 21 substantially perpendicular to the back surface 17 of the floor portion. Therefore, as mentioned above, the support member 2
A portion where the upper end portion of 1 is bent short forward serves as a stopper portion 25 that comes into contact with the back surface 17 of the floor portion. By the way, as shown in FIG.
A receiving piece part 26 that supports the receiving part 26 is provided in a protruding manner, and a locking hook member 2 that is engaged with the horizontal part 21a is provided in an upwardly protruding manner to maintain the state in which the horizontal part 21a is in contact with the receiving part 26. There is. The head of the locking hook member 27 forms a tapered portion 28, and when the floor portion 15 is tilted downward, the horizontal portion 21a slides into contact with the tapered portion 28, and the support member 21 becomes a resilient member around the support shaft 22. 24 and is automatically locked. On the other hand, to leave,
An attendant holds the operating lever 23 in his/her hand and releases the elastic member 2.
4 and swing the floor section 15 upward.

Reference numeral 29 denotes an armrest member, and a boss portion 31 of the armrest member 29 is fitted onto a guide punch 30 attached along the main girder 18 so as to be slidable back and forth, and a locking member 32 is used to secure the body B. It can be fixed at any position corresponding to the position of the elbow. (This is shown by solid lines and imaginary lines in Fig. 2.) Therefore, at least at the rear position of the top horizontal punch 8, the distance between the left and right pair of main punches 3, 3 and the horizontal punch 4, 4 are The spacing dimensions are as shown in Figure 1.
The width is set larger than the width of the rear end of the floor part 15 so that the rear end part of the floor part 15 is fitted inside to avoid interference, and the rear end part of the back surface 17 of the floor part 15 that has been swung to the maximum vertical position is The stopper member 33 that comes into contact with the rear lower horizontal punch 5
It is installed protrudingly.

Further, the floor part 15, which is pivotally attached to the base frame 1 so as to be able to swing up and down about the axis A, has a gas spring 3.
4, it is resiliently biased in the upward swinging direction. As is well known, the gas spring 34 has a structure in which an oil passage is provided in the piston portion in order to freely move the piston within a sealed cylinder tube, and an accumulator is built therein. The gas pressure of the accumulator is made higher than atmospheric pressure so that the rod is always elastically biased in the direction that it is pushed out.It has a small spring constant that cannot be obtained with coil springs, and has a small size with a large force. This provides soft and smooth operation. by the way,
In the present invention, the cylinder tube 35 is placed above and the piston rod 36 is placed below, and is interposed between the base frame 1 and the floor 15 in an inverted manner. The upper end of the cylinder tube 35 is pivotally attached to a mounting horizontal punch 37 that bridges the left and right intermediate portions of the piston rod 36, and the lower end of the piston rod 36 is attached to the gas spring mounting horizontal punch 7 of the base frame 1 via a bracket 38. It can be mounted so that it can swing freely. It is preferable to use a spherical bearing or the like for this swinging motion. The horizontal attachment punch 37 is disposed forward of the axis A, and when the gas spring 34 expands, the floor portion 15 swings upward.

The gas spring 34 is one that can be extended at a constant speed, and has a locking mechanism that can stop it at any extended position, that is, at any rocking angle of the floor 15. be.

That is, as shown in FIG. 2, the push rod 39 is slidably inserted into a hole drilled along the axis of the piston rod 36, and the oil passage of the piston (not shown) can be freely closed at the upper end of the push rod 39. It is possible to stop the movement of the piston and lock it. As is clear from the figure, Pushrod 39
The lower end of the piston rod 36 protrudes from the lower end of the piston rod 36, and the protruding portion 39a of the lever 4 is pivoted to the bracket 38 so as to be able to swing freely around a support shaft 40.
1 swings upward, it is pressed upward and the gas spring 34 is unlocked. On the other hand, when the lever 41 swings downward and the protrusion 39a is in the protruding state, it is in the locked state.

Reference numeral 42 denotes a gas spring operating mechanism, which allows the gas spring 34 to be extended or conversely shortened by switching the locking state of the locking mechanism to the unlocked state. , specifically, horizontal pestle 4,4
A rotary shaft 44 is provided with projecting pieces 43, 43 hanging down from a midway portion thereof, and is pivotably mounted on the left and right ends of the rotating shaft 44 with the pair of left and right projecting pieces 43, 43 in a left and right bridge shape. Fixed foot pedals 45, 45,
A swing protrusion 46 protruding from a part of the rotating shaft 44
, an interlocking member 47 such as a push-pull wire that interlocks and connects the swing protrusion 46 and the lever 41, and a resilient member such as a coil spring that resiliently biases the lever 41 in a direction to swing downward. It is composed of members 48 and the like. Therefore, as shown by arrow C in FIG. 3, when one of the left and right pedals 45 is stepped on, the shaft 44 and the protrusion 46 swing in the same direction, and the lever 41 is moved upward via the interlocking member 47. The lever 41 pushes the protrusion 39a, the push rod 39 opens the oil passage of the piston inside the gas spring 34, and the floor 15 is pushed up by the gas pressure. The pushing up force of the gas spring 34 at this time is set at an appropriate level to overcome the downward moment around the axis A caused by the weight of the floor 15 and the weight of the body B.

However, as shown by the solid line in FIG. 3, the weight W ₂ of the body B lying on the floor 15 and the undulating floor 15
When the center of gravity G of the total weight W including the own weight W ₁ of There is a risk of being thrown out. Of course, even though the body B is fastened to the floor 15 with a belt (not shown) or the like, when a disabled patient or the like is lying down, the body B suddenly accelerates upward and swings as described above. That is dangerous.

However, in the case of the present invention, as shown in FIG. A torsion restoring member 49 is provided along the axis A to completely eliminate the above-mentioned danger.
That is, a required number of strip-shaped leaf springs 50 are superimposed and inserted into the cylinder 10 of the base frame plate 1 as a leaf spring bundle 52 having a rectangular cross section, and the intermediate portion is fixed with a fastener 51. Further, the left and right ends of the leaf spring bundle 52 are fixed to the main beam 18 in a non-rotatable manner.

Specifically, a part of the main girder 18 is formed into a semicircular part 18a.
A circular hole 53 is provided corresponding to the axis A.
A boss member 55 having a square hole 54 is inserted into the square hole 54, and the left and right ends of the leaf spring bundle 52 are inserted into the square hole 54, and the outer circumferential surface of the boss member 55 is fitted into the cylinder 10.
It is rotatably and slidably inserted into the inner circumferential surface of the left and right ends of.

A rotation preventing protrusion 56 is connected to the boss member 55, and the protrusion 56 has a hole through which a removable fastener 57 such as a thumb screw is inserted. On the other hand, screw holes 58 are provided in the semicircular portion 18a of the main girder 18 at a predetermined center angle on a circular arc centered on the axis A.
A plurality of screws are provided, and the fastening tool 57 is screwed thereon as an alternative, so that the torsion moment neutral position of the torsion restoring member 49 can be adjusted in multiple steps. Note that 59... is a cap.

As shown in FIG. 6, an arc-shaped elongated hole 60 is formed in the semicircular portion 18a, and the torsional moment neutral position of the restoring member 49 can be adjusted steplessly as shown by solid lines and imaginary lines. preferable.

Next, as shown in another embodiment shown in FIG. 7, it is also preferable to use a so-called torsion bar shaped like a pestle as the torsion restoring member 49. In the illustrated example, the corners 61, 61, 6 are
1, the central corner 61 is fixed with a holding punch 62 protruding from the base frame 1, and the left and right corners 6
1 and 61 are fixed to the main girder 18 of the floor part 15 through boss members 55 each having a rotation preventing protrusion 56, a square hole 54, and a cap part 59a so as to be able to freely adjust the neutral position. Round bar portions slightly inside the left and right corner portions 61, 61 are pivotably supported by bosses 63, 63.

The present invention has the above-mentioned configuration, for example, a patient who requires functional recovery is placed face up on the undulating floor section 15 as shown in FIG.
An attendant stands on either the left or right side, swings the lever 23 downward with one hand to disengage the horizontal part 21a from the hook member 27, and depresses the pedal 45 with one foot. For example, the floor portion 15 swings upward at a constant speed due to the upward force of the gas spring 34. At this time, the attendant can hold the gripping mallet 19 with one hand to keep the floor 15 stable or to help the floor 15 swing upward. In this way, the floor 15 is gradually pushed upward as shown by the imaginary line in FIG. It is convenient to be able to stop using the lock mechanism. Then, as shown by the solid line in FIG. 3, the center of gravity G of the total weight W of the floor 15 and the body B is
reaches the pivot axis A and further exceeds it,
The torsion restoring member 49 reliably prevents the floor section 15 from swinging upward, and the upward swinging moment around the axis A due to the total weight W of the floor section 15 and the body B is caused by the torsion restoring member 49. While maintaining the downward swing moment around the heart A, it is possible to slowly swing to the vertical state shown in Figures 1 and 4 and bring the body B to the standing state while maintaining approximately balance.

Conversely, in order to swing the floor section 15 from vertical to horizontal, the attendant must stand on either the left or right side, step on the pedal 45 with one foot to unlock it, and hold the grip section 19 with one hand. This can be done easily and quickly by applying force to swing the floor 15 downward.

It should be noted that the present invention is not limited to the illustrated embodiment, and the design can be changed freely, and the frame shape of the base frame body 1 can be changed in various ways, and the number of gas springs 34 can also be freely increased. . In addition, it can be used for a wide range of purposes other than body function recovery training, beauty treatments such as saunas, dental treatment, etc.

According to the illustrated embodiment of the present invention, since the torsion restoring member 49 is configured such that the neutral position of the torsion moment can be freely adjusted, the neutral position of the torsion moment can be adjusted according to differences in the body B such as the size of the body weight and height. Even if the inclination angle at which the center of gravity G exceeds the axis A changes, it can be easily adjusted and the floor part 15 can always be tilted up and down in a well-balanced manner. Furthermore, since the gas spring 34 is provided with a locking mechanism, even if the attendant takes his/her hand off the floor 15, it will stop at a predetermined position and be safe. Furthermore, the operation of the locking mechanism is performed by pressing the pedal 4 near the floor surface 14.
5 can be easily performed by stepping on the pedals 45 with one foot, and the pedals 45, 45 are attached on both the left and right sides.
It can be done reliably from either side. Further, since the actuating levers 23, 23 and the gripping parts 19, 19 are provided on both the left and right sides, there is an advantage that the attendant can operate the apparatus more reliably and quickly from either the left or the right side. Further, the floor portion 15 is firmly supported in a horizontal state by the support member 21, the receiving piece portion 26, and the locking hook member 27, and can be easily removed during upward swinging, which is very convenient.

Further, the cylindrical body 10 includes a leaf spring bundle 52,
By making it invisible from the outside, it has a simple design and has the advantage of being easy to handle since there are no parts that can get caught on the attendant.

The present invention effectively achieves the intended purpose with the configuration described in detail above.It is possible to ascend at a constant speed with good balance using the gas spring 34, and because it does not use an electric power source or a hydraulic power source, it is quiet. It is very suitable for use in hospital rooms, etc., and can be manufactured at low cost. Furthermore, since no electricity is used, there is no need to take measures against leakage, making it highly safe and easy to handle. Particularly for those lying on the floor 15, the torsion restoring member 49 is almost invisible from the outside and there is no driving device such as an electric motor, so it can be said that there is a great advantage of giving a sense of security. Moreover, overall weight reduction and compactness were achieved.

Furthermore, since the torsion restoring member 49 acts within a range of a predetermined swing angle or more, and the floor section 15 stands up slowly without suddenly standing up, it may be extremely difficult for patients with weak legs or the like to stand up. It can give a sense of security and can be said to be an excellent idea from a safety standpoint.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of the present invention in the maximum upward swing state, Figs. 2, 3, and 4 are partial cross-sectional side views for sequentially explaining the operation. FIG. 6 is a side view of a main part of another embodiment, and FIG. 7 is a partially sectional front view of another embodiment. A... Axial center, B... Body, G... Center of gravity, 1...
Base frame body, 15... undulating floor section, 34... gas spring.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. An undulating floor portion 1 that can freely swing up and down around an axis A.
5 is pivotally attached to the base frame 1, and the undulating floor section 15 is resiliently biased in the upward swinging direction by the gas spring 34, and the body B lying on the undulating floor section 15 and the undulating floor section 15 are When the center of gravity G of the weight swings upward beyond the axis A, the torsion restoring member 49, which applies an elastic restoring force to the undulating floor portion 15 in the downward swinging direction, moves the center of gravity G beyond the axis A. A body undulation angle adjustment device, characterized in that it is provided along. 2. The body elevation angle adjusting device according to claim 1, wherein the gas spring 34 has a locking mechanism capable of stopping the undulation floor portion 15 at any swing angle. 3. The body elevation angle adjusting device according to claim 1, wherein the torsion restoring member 49 is configured to be able to freely adjust the neutral position.