JPH02182Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Purpose of the Invention> (Field of Industrial Application) The present invention relates to a bed for patients equipped with a lifting device for raising and lowering a lifting mat.

(Prior Art) Conventionally, some beds for patients of this type are equipped with a lifting device for lifting up bedridden elderly people and disabled people.

However, this elevating device has a simple structure that lifts a bedridden elderly person or a disabled person onto a bed mat for a sick person and suspends him or her from a simple bathtub placed on the bed mat.

Therefore, when taking a bath, it is necessary to always place the simple bathtub on the mat.

(Problem to be solved by the present invention) The problem to be solved by the present invention is that a simple bathtub (recumbent bathtub) can be placed adjacent to the bed without having to be placed on a mat when bathing. The purpose is to make it possible to take a bath.

(Means for solving problems) The technical measures taken by the present invention are as follows.

(b) A case body equipped with a lifting device for the lifting mat, a leg part hanging vertically from the front end of the case body and having a lower guide ring at the lower end, and a leg part that is cantilevered in the middle part of the leg part and horizontally below the laying mat. A pair of front and rear moving bodies is formed by a feed rod having an engaging groove carved therein over its entire length.

(b) An upper guide ring is provided on the lower surface of the case body to engage with the guide protrusions formed on the upper surfaces of the head and foot portions.

(c) A guide rail for the lower guide wheel is provided at the head portion and the lower end of the foot so that it can be moved in and out.

(d) An automatic feed-back gear that can be rotated in forward and reverse directions and meshes with the meshing groove is installed under the laying mat.

(Function) The technical means of the present invention works by artificially pulling out the guide rail for the lower guide wheel and sending out the feed rod by forward rotation of the automatic feed-back gear. The upper guide wheel is on the rail, the lower guide wheel is on the guide rail,
A movable body suspending a bedridden elderly person or a handicapped person by a lifting device of a lifting mat is moved horizontally from a laying mat and the lifting mat is positioned over a bathtub provided adjacently.

Next, the lifting device is driven to lower the hanging mat, allowing the elderly and disabled to take a bath.

After bathing, drive the lifting device to roll up the hanging mat, return the feed rod by rotating the automatic return gear in reverse, drive the lifting device again to lower the hanging mat, and place the elderly or disabled person on the mat. Place it.

(Embodiment) This embodiment consists of a bed main body A, a moving body B with an elevating device b, and an automatic return gear c that sends out or pulls in the moving body B.

The bed main body A has a head part a1 and a foot part a2 connected by a base frame a4, and is formed by laying a laying mat 100 consisting of a mounting mat a5 and an air mat a6 on the base frame a4.

In the illustration, a rolling frame a7 is swingably provided on the base frame a4, and the laying mat 100 is laid on the rolling frame a7, but the mats a5 and a6 are laid directly on the base frame a4. It can also be used as a bed for the sick.

The head part a1 and the foot part a2 are made up of a pedestal rod 2 with a square cross-section and a side-shaped support frame erected on the pedestal rod 2, into which a guide rail a3 with wheels 1 can be freely inserted and removed, and which is provided at the lower end. 3, and a guide protrusion a8 for guiding the movable body B is provided on the upper surface of the support frame 3 in a protruding manner over the entire length.

This guide protrusion a8 is for guiding the movable body B with the lifting device b on the upper surface of the support frame 3, and is formed in the shape of a mountain in vertical section.

Incidentally, since the longitudinal cross-sectional shape of the guide protrusion a8 is for guiding the upper guide wheel b7 provided at the lower end of the movable body B, it is a matter of course that it has a shape that matches the shape of the upper guide wheel b7.

The moving body B includes a case body b2 equipped with a lifting device b for lifting a patient's lifting mat b1, an upper guide wheel b7 provided on the lower surface of the case body b2, and a lower guide wheel b3 provided vertically at the front end of the case body b2 and at the lower end. The feeding rod b5 is formed of a leg part b4 provided with a leg part b4 and a feed rod b5 which is cantilevered in the middle part of the leg part b4, is placed horizontally under the laying mat 100, and has an engaging groove b6 carved therein over the entire length.

The case body b2 is formed in a hollow shape slightly longer than the upper surface 3' of the support frame 3, and a part of the lifting device b is mounted on the upper end of the opposing surfaces 3'' and 3'' facing each other in the front and rear moving body B. Recesses 5 are formed on each side, one on the left and one on the left, allowing the lifting bar 4 to be freely engaged and detached, and a guide opening 6 is bored in the lower surface.

The lifting device b is installed inside the case body b2, and includes a transmission device consisting of a lifting bar 4, a motor 7, a gear head 8, and a worm reducer 9.
b' and a transmitted group b'' including a chain sprocket.

The transmitted group b'' includes a first sprocket 10 protruding from the worm reducer 9, second and third sprockets 11 and 12 arranged below the recessed part 5, and windings around the sprockets 10, 11 and 12. The rotating chain 13 and its second and third sprockets 1
Transmission gear 14 provided on shafts 11' and 12' of 1 and 12,
It consists of 15.

By the way, this transmitted group b'' is transmission gears 14 and 15.
A reversing gear 16 is provided on one side of the reversing gear 16 so that the transmission gears 14, 15 and the reversing gear 16 rotate in opposite directions. The transmission device b' and the transmission target group b'' may be provided on one of the front and rear case bodies b2.

The lifting bar 4 has a head part a1 and a foot part a.
A concave portion 5 formed from above on the opposing surface 3″ of 2,
The lifting bar 4 is made of two rods having a length that can be hung between the lifting bars 4 and 4. At one end of the lifting bar 4, a meshing gear 17 for meshing with the transmission gear 14 and the reversing gear 16 is provided. , a lifting mat b1 for users (bedridden elderly people, handicapped people) is detachably provided.

The upper guide wheel b7 supports the movable bodies B and B in the support frame 3.
This is for guiding so as to slide on the upper surface, and using V-shaped wheels that engage with the guide protrusion a8, one each on the left and right sides of the movable bodies B, B are placed facing through the guide opening 6. establish.

The leg b4 is provided vertically at the front end of the case bodies b2, b2, and is provided with a lower guide wheel b3 at the lower end for sliding on the guide rail a3. A feeding rod b5 is provided at the midway point in a cantilevered manner and placed horizontally below the laying mat 100.

The feed rod b5 has an engaging groove b6 carved over its entire length on the upper surface, and the moving bodies B and B are connected to the bed body A by the engagement of the feed-back gear c of the automatic feed-back device C.
It has the function of sending it forward and pulling it in.

The automatic feed-back device C consists of an induction motor 18 disposed under the base frame a4, a worm reducer 19, and an automatic feed-back gear c, and the automatic feed-back gear c is fixed to the transmission shaft 20. and the meshing groove b of the feed rods b5, b5.
6, arranged so as to mesh with b6.

The operations of the automatic sending back device C and the lifting device b are controlled by switches on an operation panel that are electrically linked via a controller (not shown), and the movement amount of the movable bodies B and B is set by , limit switches 2 protruding from the left and right sides of the upper surface of the support frame 3.
1, 21 are provided, and these limit switches 21, 2
Limit switches 21, 21 are electrically linked to the controller and the operation panel so that the amount of movement is set by contact between the push plate 22 provided at the lower end of the case b2 and the controller.

Next, the function of the patient's bed of this embodiment will be explained.

A lifting bar 4 around which a lifting mat b1 is wound is suspended across the front and rear moving bodies B, B. At this time, the meshing gears 17, 17 at one end are meshed with the transmission gear 14 of the lifting device b and the reversing gear 16, and the other end is fitted into the recess 5 so as to simply rotate freely.

Next, the transmission device b' is rotated in the normal direction by pushing a switch in the operation panel, and the lifting bar 4 is rotated in the winding direction to lift the user X (a bedridden elderly person or a disabled person) upward. Next, the guide rail a3 for the lower guide wheel b3 is manually pulled out. In this state, the automatic feed-back device C is actuated by pushing a switch in the operation panel to rotate the feed-back gear c in the forward direction, and feed the feed rod b5 having the meshing groove b6 forward. Along with this feeding operation, the front and rear movable bodies B, B rotate with the guide protrusion a8 and the guide rail a3 as guides, and the upper guide wheel b7 and the lower guide wheel b3 rotate, and the user is placed in front of the bed main body A. transport onto bathtub Y. At this time, the push plate 22 on the back side pushes the limit switch 21 on the front side, so the movable body B stops. In this state, the transmission device b' is reversed by pushing a switch in the operation panel to lower the user into the bathtub Y. Incidentally, when taking a bath in the reclining bathtub Y, it goes without saying that the lifting mat b1 wrapped around one lifting bar 4 should be removed to make bathing easier.

Further, when the user X is to be returned to the laying mat 100 after taking a bath, the steps described above and the reverse steps may be sequentially performed by pressing a switch on the operation panel.
b5' is a guide shaft at the rear of the feed rod b5.

Incidentally, the patient's bed of this embodiment may be equipped with a rolling device D and a gap device E in addition to the above-mentioned devices.

The rolling device D is for intermittently rocking a rolling frame a7 located on a base frame a4 at regular intervals, and the rolling frame a7 is centrally supported by a bearing 23 provided on the base frame a4; It consists of a swinging device d that swings the rolling frame a7 by rotating the pivot a7' of the rolling frame a7 to the right and left by a fixed angle.

The rolling frame a7 has a rectangular shape in plan, and is equipped with a front panel 26 and a rear panel 27 on its front frame 24 and rear frame 25 in an upright manner, and has several intermediate frames 28 inside thereof extending in the transverse direction. It is installed and fixed,
Placement mat A5 divided into 3 parts, Air mat A6
is accepted.

The rocking device d includes an induction motor 29,
Worm reducer 30, rotating plate 31 connected to the reducer 30, crank mechanism 32, and rocking device d
It consists of a timer 33 that operates intermittently and is installed under the laying mat 100.

The crank mechanism 32 has a first link rod 32' pivotally supported on the rotary plate 31, one end of which is pivotally supported on the other end of the first link rod 32', and the other end fixed to the pivot a7' of the rolling frame a7. 2nd link rod 3
Consisting of 2'.

In addition, in the drawing, 34 is a transmission shaft, which has a function of transmitting the rotational force of the worm reducer 30.

The timer 33 is used to operate the rocking device d via the controller to rock the rolling mats a5 and a6 at regular intervals, for example, every two hours, and is built into the controller or the induction motor 29.

Incidentally, the advantage of this rolling device D is that no matter where the user lies on the air mattress a6, it changes the position where body pressure is applied, improving blood circulation and preventing bedsores.

The gearing device E is necessary to wake up the user when eating or for other reasons, and includes a gearing mat 34 on the head side formed by dividing a mounting mat A5 and an air mat A6 into three; It consists of a gear mechanism e.

The gear mat 34 is laid on a lower floor 34' placed within the rolling frame a7, and its front end is pivotally supported on a support plate 36 protruding from the rolling frame a7.

The gear mechanism e is for pushing up the gear mat 34, and is composed of a motor 37, a worm reducer 38, and a gear lever 39.

The gear rod 39 consists of a pair of left and right arm rods 39' connected to the worm reducer 38, and a push-up roller 39'' provided at the tip thereof.
The rotational center F of the gearing rod 39 is provided at a position away from the rotational center G of the gearing mat 34 toward the head side by at least the thickness of the gearing mat 34 and the lower floor 34'.

Incidentally, the advantage of this gearing device E is that the upward pressure of the gearing rod 39 acts to prevent the gearing mat 34 from being compressed by an adjacent mat.

Incidentally, in the embodiment, a patient's bed equipped with a rolling device D and a gear mechanism E is explained, but
Needless to say, the present invention is also intended for beds for patients not equipped with these devices D and E.

(Effects of the invention) As described above, the present invention includes a case body equipped with a lifting device for lifting a patient's lifting mat, a leg part hanging from the front end of the case body and having a lower guide ring at the lower end, and a leg part halfway up the leg part. A pair of front and rear moving bodies is formed by the feed rod, which is cantilevered on the top and horizontally placed below the mounting mat and has an engaging groove carved along its entire length. An upper guide wheel is provided that engages with the guide protrusion formed on the upper surface, and a guide rail for the lower guide wheel is provided on the head portion and the lower end of the foot so as to be removable and engages with the engagement groove under the mounting mat. Since an automatic return gear capable of forward and reverse rotation is provided, bedridden elderly people and disabled people can take a bath in the bathtub (recumbent bathtub) provided adjacent to the bed.

[Brief explanation of the drawing]

The drawings show an embodiment of the patient's bed according to the present invention. Fig. 1 is a plan view with a partial cutaway, Fig. 2 is a partially cutaway plan view of a movable body moving, and Fig. 3 is an enlarged view of 3-3. 4 is a side view with a portion cut away, FIG. 5 is a 5-5 sectional view, FIG. 6 is the same sectional view showing a state in which the moving body has moved, and FIG. 7 is an enlarged plan view of the elevating device and is cut away; FIG. 8 is a 5-5 sectional view showing the state in which the rolling frame is rolling; FIG. 9 is a 9-9 sectional view;
FIG. 10 is an enlarged sectional view of the gear device portion. In the figure, A: bed body, B: moving body, c: automatic return gear, b1: lifting mat for patients,
b: Lifting device, b2: Case body, b3: Lower guide ring, b4: Leg, b5: Feed rod, b6: Engagement groove, a8: Guide protrusion, b7: Upper guide ring, a
3: Guide rail, C: Automatic return device, a
1: head part, a2: foot part, a4: base frame, 100: laying mat, a7: rolling frame, a5: mounting mat, a6: air mat.

Claims (1)

[Scope of utility model registration request] A case body equipped with a lifting device for a lifting pine;
A leg part is hung vertically from the front end of the case body and has a lower guide ring at the lower end, and a feed rod is cantilevered in the middle part of the leg part and is placed horizontally under the laying pine and has an engaging groove carved therein over its entire length. A pair of front and rear moving bodies is formed, and an upper guide ring is provided on the lower surface of the case body to engage with guide protrusions formed on the upper surfaces of the head and foot parts, and the lower guide wheels are provided on the lower ends of the head and foot parts. A bed for patients comprising a guide rail for a guide wheel that can be freely moved in and out, and an automatic feed-back gear that can be rotated in forward and backward directions and that engages with the engagement groove under the laying mat.