JPH0446742Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention relates to a bed device used for purposes such as medical treatment, and in particular, the interlocking mechanism for bending the mat base and the optimal arrangement of the toilet bowl provided in this bed device. The invention relates to an interlocking mechanism that makes a difference.

[Conventional technology]

As a type of bed device used for the medical treatment of bedridden elderly and sick people, a mat stand on which a mat made of a cushion member or the like is attached is divided into an upper body support part, a waist support part, and a lower leg support part, and each of these support parts There are some that are constructed so that they can be bent freely with respect to each other. In this type of bed device, a toilet opening window is formed on the mat attached to the waist support part of the mat stand so that the patient can relieve himself while lying down. A toilet bowl is placed directly below the opening window for the toilet.

By the way, when each support part of the above-mentioned mat stand is bent, in order for the patient to be able to smoothly raise the upper body, the upper body support part and the lower back support part should be bent in a V-shape, and the lower body support part should be bent. It is desirable to configure both bending operations in conjunction with each other so that the lower leg support portion and the lower leg support portion are bent into an inverted V shape, but in the past,
As a means for performing such a bending operation, an appropriate combination of a link mechanism connected to a predetermined position of the mat stand and a single drive device has been used.

Also, when a patient uses this type of bed device to relieve himself/herself, it is preferable to bend each support part of the mat stand as described above, but in this case, the toilet bowl that receives excrement should be As a means of placing the toilet directly below the toilet opening window, an attendant can manually move the toilet bowl and hold it in a predetermined position, or the toilet bowl can be fixed and installed at a prescribed position below the toilet opening window. The following methods were used.

[Problem that the invention attempts to solve]

However, it goes without saying that it is extremely troublesome and complicated for a person accompanying the patient to move and hold the toilet bowl directly below the toilet opening window each time the patient relieves himself or herself. However, there is a problem that it is not hygienic.

On the other hand, even if the toilet bowl is fixedly attached below the toilet opening window, each support part of the mat stand is bent when using the toilet, and the waist support part of the mat stand and the toilet opening window are bent. Since the toilet bowl is tilted, for example, if the toilet bowl is fixed in a horizontal position and installed, a large gap will be created between the toilet bowl and the tilted toilet opening window, making it difficult to ensure that excrement is contained in the toilet bowl. things become difficult. In addition, if you try to reduce the above-mentioned gap by fixing and installing the toilet bowl in an inclined state, when each support part of the mat base is bent, the mat base will interfere with the toilet bowl and bend. It becomes impossible to perform the operation well.

Furthermore, as a device for bending each support portion of the mat stand when the patient is using the bed, a relatively simple bending device consisting of a link mechanism and a single drive device is used as in the past. However, the structure of the link mechanism itself is complicated, and this results in an increase in the number of parts of the bending device, which in turn leads to an increase in cost.

[Means for solving problems]

In view of the above-mentioned circumstances, this invention aims to simplify the structure of the interlocking mechanism that bends each support part of the mat stand and to reduce the cost. The technical challenge was to realize an interlocking mechanism that would allow the toilet bowl to be placed in the optimal position directly below the toilet opening window when folded. The upper body support part, the waist support part, and the lower leg support part of the mat stand are configured to be bendable to each other, and an opening window for a toilet is formed in the mat attached to the waist support part, and In a bed device configured such that a toilet bowl is disposed directly below an opening window, a gear portion is formed at each opposing end of the lower back support portion and the lower leg support portion, and a gear portion that meshes with the two gear portions is formed. The lumbar support section and the upper body support section are hinged to each other, so that a single drive device supports the upper body. By lowering the opposing end side of the upper body support part and the lower leg support part or the free end side of the lower leg support part, the upper body support part and the lower leg support part are formed into a V-shape, and the lower body support part and the lower leg support part are reversed. The two folding operations are configured to be interlocked so that the toilet is bent into a V-shape, the toilet is swingably held on the base, and the toilet is provided with an engagement receiving portion, and the waist support portion is provided. An engaging portion is provided at one of the opposing ends of the and the lower leg support portion, and when each of the supporting portions is bent, the engaging portion comes into contact with the engaging receiving portion and descends. Accordingly, the toilet bowl is configured to be inclined to follow the inclination of the waist support portion directly below the toilet opening window.

[Effect]

According to the above means, when the driving device is operated by a switch operation or the like when the patient is using the toilet, the opposite ends of the upper body support part and the lower back support part of the mattress stand or the free end side of the lower leg support part are lowered. In this case, if the drive device is configured to lower the opposing end sides of the upper body support section and the waist support section, the waist support section will move from the support shaft disposed at the upper end of the base as the drive device lowers the opposing ends of the upper body support section and the waist support section. The lower leg support part rotates by a predetermined angle through the lower leg support part, but since a gear part is formed on this waist support part and a gear part that meshes with the gear part is also formed in the lower leg support part, the waist support part rotates as described above. When rotated, the lower leg support part rotates in the opposite direction by the same angle as the rotation angle, so that the lower leg support part is tilted downward from the end opposite to the waist support part. On the other hand, when the drive device is configured to lower the free end side of the lower leg support, the lower leg support rotates by a predetermined angle via a spindle provided at the upper end of the base. In this case as well, the gear parts formed on the lower leg support part and the lower back support part are engaged with each other, so that the lower leg support part is tilted downward from the end opposite to the lower leg support part. In any of the above cases, the upper body support part and the lower back support part are hinged and bent into a V-shape, and the lower body support part and the lower leg support part are It is bent into an inverted V shape.

On the other hand, when the opposite ends of the upper body support part and the waist support part descend to a predetermined position due to the above-mentioned bending operation, one of the opposite ends of the two support parts The engaging portion provided on the toilet also descends, and the engaging portion comes into contact with the engaging receiving portion of the toilet that is swingably held on the base. Then, from this state, the opposite ends of the supporting parts further descend, and the engaging part descends accordingly, so that the toilet bowl is gradually tilted, and when the bending operation of the mat base is completed, the toilet bowl is gradually tilted. , the toilet bowl is tilted directly below the toilet opening window at an angle of inclination similar to that of the waist support portion of the mat stand.

〔Example〕

Hereinafter, embodiments of this invention will be described based on the drawings.

As shown in FIGS. 1 to 3, the base 2 of the bed device 1 includes a pair of left and right front legs 3 disposed at the front (right side in the drawing) and a pair of left and right rear legs 4 disposed at the rear. It also has a pair of left and right horizontal frames 5 installed on these front and rear legs 3 and 4, and a mounting table 6 fixed to the horizontal frames 5.

The front leg 3 has a branched upper part, and a support roller 7 is rotatably held at the upper end of one branched part 3b.
A stopper 8 is fixed to the upper end of.

On the other hand, the mat stand 9 disposed on the upper part of the base 2 consists of an upper body support part 9a, a waist support part 9b, and a lower leg support part 9c. 10, so that both can be bent into a V-shape. A gear portion 9d is integrally formed at the end of the side frame 9b, which is a component of the waist support portion 9b, opposite to the lower leg support portion 9c.
is rotatably held via a support shaft 11 disposed at the upper end of the rear leg 4. Also, similarly,
A gear portion 9e that engages with the gear portion 9d is also integrally formed at the end of the side frame 9c', which is a component of the lower leg support portion 9c, opposite the waist support portion 9b. Support shaft 12 arranged at the upper end
It is rotatably held through the The waist support part 9b and the lower leg support part 9c are connected to each other in a reverse V by the meshing rotation of both the gear parts 9d and 9e.
It is configured to be bent into a letter shape.

In this case, the upper body support part 9a is
By being placed in contact with the upper ends of the support roller 7 and stopper 8 of the front leg 3, a horizontal state is maintained, and the waist support part 9b and lower leg support part 9c
Since the meshing positions of the gear portions 9d and 9e are at a predetermined position, the horizontal state of the two gears is maintained.

Furthermore, this bed device 1 is equipped with a drive device A that bends and drives the upper body support portion 9a, waist support portion 9b, and lower leg support portion 9c. This drive device A includes a connecting rod 14 whose one end is rotatably connected to the lower surface of the lower leg support portion 9c via a bracket 13, and a cylindrical shaft 15 which is bendably and extensibly connected to the other end of the connecting rod 14. , a screw shaft 17 housed in the cylinder cover 16 and screwed into the female threaded portion of the cylinder shaft 15, and a motor 18 for rotationally driving the screw shaft 17. It is attached to a bracket 18a fixed to 6 so as to be vertically swingable. The drive device A in this embodiment has a configuration in which the connecting rod 14 is connected to the lower surface of the lower leg support section 9c. It may also be connected to the bottom surface of the.

On the other hand, a mounting table 6 is provided below the waist support portion 9b.
A toilet bowl 20, which is swingably held via a swing shaft 19, is disposed on a bracket 19a fixed to the bracket 19a, and one end of the toilet bowl 20 has a cylindrical protrusion 22 as an engagement receiving part. is installed protrudingly,
Also, the waist support portion 9b in the upper body support portion 9a
A protruding piece 21 serving as an engaging portion that engages with the cylindrical protrusion 22 is fixedly provided at the end opposite to the cylindrical protrusion 22 .
Note that this projecting piece 21 can also be fixedly installed at the end of the waist support part 9b opposite to the upper body support part 9a by making a slight design change to its shape or the mounting position of the cylindrical protrusion 22. be.

Furthermore, the upper body mat 2 is mounted on the mat stand 9.
5a, a waist mat 25b, and a lower leg mat 25c, and a toilet opening window 26 is installed in the center of the waist mat 25b.
is formed, and the toilet bowl 20 is arranged directly below the opening window 26 for the toilet. When this bed device 1 is used as a bed, the toilet opening window 26 is sealed with a mat lid 27, and when the patient using this bed device 1 needs to use the bed, a drive mechanism (not shown) is activated. The mat lid 27 is configured to be retracted to the lower side of the toilet opening window 26.

Further, the lower end of the toilet bowl 20 and the space below the placement table 6 are communicated with each other by a stretchable flexible pipe 23 made of a flexible material. The opening serves as a discharge port 24 through which excrement from the toilet bowl 20 is discharged.

For convenience, FIG. 1 shows the mat 2 on the mat stand 9.
5 indicates that it is not attached.

Next, the operation of the above embodiment will be explained.

When a patient uses this bed device 1 as a bed, the upper body support portion 9a, waist support portion 9b, and lower leg support portion 9c that make up the mattress 9 of the bed device 1 are held in a horizontal state. As a result, the state shown by the solid line in FIG. 1 is reached.

On the other hand, when the patient is using the toilet, etc., the motor 18 of the drive device A is rotationally driven by the switch operation, and the screw shaft 17 rotates integrally with the rotation shaft of the motor 18, so that the screw shaft 17 is screwed into the screw shaft 17. As the combined cylinder shaft 15 moves backward or contracts, the lower leg support portion 9c rotates counterclockwise in FIG. 1 via the support shaft 12, as shown by the chain line in the same figure. It will be in a tilted state. In this case, a gear portion 9e integrally formed with the lower leg support portion 9c (side frame 9c')
and the gear part 9d integrally formed with the waist support part 9b (side frame 9b') are engaged with each other, so that the waist support part 9b rotates clockwise in FIG. 1 via the support shaft 11 and tilts. state, and therefore the lower leg support portion 9
c and the waist support portion 9b are bent into an inverted V shape as shown in FIG.

Further, the waist support part 9b and the upper body support part 9a are hinged together via a hinge 10, and the upper body support part 9a is mounted in contact with a support roller 7 that is rotatably held at the upper end of the front legs 3, 3a. Therefore, when the waist support part 9b rotates as described above and becomes inclined, the upper body support part 9a also becomes inclined while rolling the support roller 7, and therefore, The waist support portion 9b and the upper body support portion 9a are bent into a V-shape.

Then, each of these supporting parts 9a, 9b, 9c
With the bending operation, the end of the upper body support part 9a facing the waist support part 9b is lowered, so that the protrusion 21 (engaging part) fixed to the opposite end is lowered.
is a cylindrical projection 22 protruding from one end of the toilet bowl 20.
(the engagement receiving part) and further descends in the abutted state. Thereby, the toilet bowl 20 is tilted about the pivot shaft 19 as a fulcrum, and is held in an inclined state following the inclination of the waist support portion 9b. Therefore, the toilet bowl 20 has a lumbar mat 25b attached to the lumbar support part 9b as shown in FIGS. 2 and 3.
The toilet bowl 20 is placed immediately below the toilet opening window 26, and the excrement after the patient defecates through the toilet opening window 26 is reliably stored in the toilet bowl 20. Further, even if the toilet bowl 20 tilts as described above, the flexible pipe 23 expands, so that the state of communication between the toilet bowl 20 and the discharge port 24 is maintained well. Furthermore, the waist support part 9b
is in the tilted state as described above, the armrests 9f disposed on both the left and right sides of the waist support 9b are brought into an upright position as shown by chain lines in FIG. 1 by the operation of an interlocking mechanism (not shown). It is starting to be retained.

In this embodiment, in addition to the above configuration, the following means are used to store the excrement discharged into the toilet bowl 20 in the bag and automatically seal the bag. ing.

That is, this bed device 1 includes a rotary table 30
, a rotary drive device 31 that rotationally drives the rotary table 30, and an adhesive device 40 that adheres the upper end of the bag body 33 placed on the rotary table 30.

As shown in FIG. 2, the rotary table 30 includes an upper plate 30a and a lower plate 30b, and has an octagonal shape in plan view (see FIG. 4).
Each fitting hole 32...3 formed at equal angular intervals on 0a
2, each bag body 33...33 is inserted into each bag body 33...33 with its upper end opened.
are placed on the rotary table 30 at equal angular intervals. And this rotary table 30
is rotatably held below the mounting table 6 via a rotation support shaft 34, and is configured to be rotated intermittently by 45° in the direction a in FIG. 4 by the operation of a rotation drive device 31.

On the other hand, the rotation drive device 31 has the rotation support shaft 34
a worm wheel 36 that is fitted and held through a one-way clutch 35;
The above-mentioned mounting table 6 has a worm 37 engaged with the worm 37.
a first rod 38 that is rotatably held; and an actuator 3 that rotates the first rod 38 in forward and reverse directions.
9. The one-way clutch 35 is in either a locked state or an unlocked state depending on whether the actuator 39 rotates in the forward or reverse direction. It is configured to rotate only in one direction.

Further, the bonding device 40 has a pair of front and rear press plates 41, 41 each having a built-in heating element such as a heater and kept in a heated state. Left-hand thread 4 formed in 38
A nut member 43 to be screwed into the rear pressing plate 41 is fixed to the first
A nut member 45 that is screwed into a right-hand thread 44 formed on the rod 38 is fixed, and both pressing plates 4
The other end of each holding member 47, 41 is attached to a second rod 46 arranged parallel to the first rod 38.
8 and is slidably fitted and held. The pressing plates 41, 41 are arranged on both sides of the upper end of the bag body 33 when the rotary table 30 is in a stopped state, that is, when the bag body 33 is directly below the discharge port 24 of the toilet bowl 20. By rotating the actuator 39 in the normal and reverse directions, the pressing plates 41, 41 are brought closer to each other in the b direction and separated from each other in the c direction.

When disposing of excrement after defecating based on such a configuration, first, before the patient uses the toilet, the mat stand 9 is bent into the state shown in FIG. 2, and the opening window for the toilet is closed. By arranging the toilet bowl 20 directly below the toilet bowl 26 and rotating the actuator 39 of the rotary drive device 31 in the normal direction to rotate the rotary table 30 by a required angle, one bag body 33 is placed directly below the discharge port 24 of the toilet bowl 20. be placed in the Under such conditions, if a patient sleeping on the mat 25 defecates through the toilet opening window 26, the excrement will be discharged through the lower end of the toilet bowl 20 and the flexible pipe 23. The bag body 3 falls or flows down from the outlet 24 as shown by the arrow x in FIG.
It is housed inside 3. Immediately after the excrement is once accommodated in the bag 33, by reversing the actuator 39, the pair of pressing plates 41, 41 in the bonding device 40 are moved toward each other, and the upper end of the bag 33 is moved. are pressed together as shown in FIG. At this time, since the pressing plate 41 is heated by a heating element such as a heater, the bag body 3
The upper end of the bag 33 is glued or thermally bonded to bring the bag 33 into a sealed state. When the patient relieves himself again, the rotary table 30 rotates by 45 degrees as the pair of pressing plates 41, 41 move away from each other after the bag body 33 has been bonded, and a new bag is then removed. Since the body 33 is placed directly below the discharge port 24, excrement is stored inside the new bag 33 in the same way as in the case described above, and after defecating, the upper end of the bag 33 is The parts are adhered by the pressing plates 41, 41, and the bag body 33 is in a sealed state.

[Effect of idea]

As described above, according to this invention, in a bed device configured so that users can relieve themselves while lying down, the upper body support part of the mat stand and the lower back support part are hinged together, and the lower body support part and the lower leg support part are connected by a hinge. By meshing the gear parts formed at the opposing ends of the upper body support part and the waist support part, and lowering the free end side of the lower leg support part or the opposite ends of the upper body support part and the waist support part, The upper body support part and the waist support part are V
While configuring both bending operations in conjunction so that the waist support part and the lower leg support part are bent in an inverted V shape,
This type of interlocking mechanism does not require a conventional link mechanism, and the structure can be simplified and costs can be reduced.

Furthermore, if each of the support parts of the mat stand is bent when the patient uses the toilet, the toilet bowl is configured to be tilted to follow the slope of the waist support part, so that the toilet bowl does not have to be manually operated by an attendant. Naturally, the toilet bowl is placed immediately below the opening window for the toilet, so that the excrement after defecation can be easily, hygienically, and reliably stored in the toilet bowl.

[Brief explanation of the drawing]

Figures 1 to 5 show examples of this invention. Figure 1 is a side view showing the overall configuration of the bed device according to this invention, and Figure 2 is a main part taken along the line of Figure 3. 3 is a plan view of the main part of the bed device, FIG. 4 is an enlarged cross-sectional plan view of the main part taken along the line of FIG. 1, and FIG. 5 is a plan view of the main part of the bed device. FIG. 3 is an enlarged longitudinal sectional side view of the main part showing the action. 1... Bed device, 2... Base, 9... Mat stand, 9a... Upper body support part, 9b... Waist support part,
9c...Lower leg support part, 9d, 9e...Gear part, 1
0... Hinge, 11, 12... Support shaft, 20... Toilet bowl, 21... Engagement portion, 22... Engagement receiving portion, 25
...Matsuto, 26...Opening window for the toilet.

Claims (1)

[Scope of utility model registration request] The upper body support part, the waist support part, and the lower leg support part of the mat stand on which the mat is attached are configured to be bendable to each other, and the mat attached to the waist support part is formed with an opening window for a toilet, Further, in the bed device configured such that a toilet bowl is disposed directly below the opening window for the toilet, a gear portion is formed at each opposing end of the waist support portion and the lower leg support portion, and the gear portions engage with each other; Both gear parts are held so as to be meshed and rotatable via both support shafts disposed at the upper end of the base, and the waist support part and the upper body support part are hingedly connected to form a single drive device. By lowering the opposite end side of the upper body support part and the lower leg support part or the free end side of the lower leg support part, the upper body support part and the lower leg support part form a V-shape, and the lower body support part and the lower leg support part The double-folding operation is configured to be interlocked so that the two sides are bent into an inverted V-shape, and further the toilet bowl is swingably held on the base, and an engagement receiving part is provided on the toilet bowl,
Further, an engaging portion is provided at one of the opposite ends of the waist support portion and the lower leg support portion, so that when each of the support portions is bent, the engaging portion engages with the engagement receiving portion. A bed device characterized in that the toilet bowl is configured to incline following the inclination of the lumbar support portion directly below the toilet opening window by coming into contact with and lowering the toilet bowl.