JPH048896Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a manual therapy bed used for manual therapy such as acupressure.

<Conventional technology> A manual therapy bed supports each seat corresponding to the neck, chest, abdomen, waist, and legs so that they can move up and down, and each seat can be moved up and down using hydraulic or pneumatic pressure. For example, in order to prevent harm to the caregiver's body due to too much force being applied to the fingers during acupressure, if the force exceeds a certain level, the sheet will lower and prevent more than the desired force from being applied to the caregiver's body. There are some things I tried not to have.

<Problem that the invention aims to solve> However, in the past, each seat was moved up and down using hydraulic or pneumatic pressure, which required pressure devices such as cylinders and compressors, making the device complex and expensive to manufacture. There was a problem with becoming.

In view of the above-mentioned problems, the present invention is designed to allow the seat to move not only up and down but also in diagonal directions such as up the front or up the rear, and has a relatively simple structure and can be provided at low cost. be.

<Means for Solving the Problem> The technical means of the present invention for solving this technical problem is that in a manual therapy bed in which sheets 9 for performing manual therapy are movable up and down, the seats 9 are arranged in an X-shape with each other. The first one arranged to intersect
A pair of links 12 and a second link 13 are provided, and a support shaft 14 is inserted into the intersection of each of the links 12 and 13 so as to be relatively rotatable about the axis, and the lower end of each of the links 12 and 13 is A roller 16 is rotatably mounted on a horizontal shaft 17, each roller 16 is rotatably held on a rail 18 of the support frame 1, and a roller 19 is horizontally mounted on the upper end of each link 12, 13. The sheet 9 is mounted rotatably around a shaft 20, and the sheet 9 is placed on each of these rollers 19, and the corresponding first link 12 is connected to the front connecting rod 21 so that the sheet 9 can be raised and lowered in a horizontal state. and the corresponding second links 13 are connected by the rear connecting rod 22. A regulating body 33 having a top plate part 37 and a pair of legs 38 is provided below the seat 9, and the support shaft A pair of legs 38 are attached to the support shaft 14 so that the seat 9 moves horizontally in conjunction with the horizontal movement of the support shaft 14.
A pair of protruding shafts 39 protruding downward from the seat 9 are inserted into the top plate portion 37 so as to be rotatable around the seat 9, and guide plates 34 are fitted on both ends of the support shaft 14.
A pair of guide rails 35 in which the guide plate 34 is slidably fitted is provided on the support frame 1 side, and the guide rails 35 are tilted to vary the ratio of horizontal movement to vertical movement of the seat 9. The point is that an adjustment mechanism 44 for adjustment is provided.

<Function> When raising the seat 9 straight up from a lowered state as shown by the chain line in FIG. When it rotates in the direction of arrow d or arrow e, the links 12 and 13 rotate around the support shaft 14, and the roller 19 rises. At this time, the guide plate 34 moves straight upward along the guide rail 35, so that the seat 9
As the roller 19 rises, it moves straight upward while being restricted from moving back and forth. At this time, the connecting shaft 57 moves in the direction of arrow f with respect to the connecting cylinder 56, and when the engagement groove 64 coincides with the through hole 63, the ball 65 is biased by the spring 68.
is engaged with the engagement groove 64 through the through hole 63, and the link mechanism 11 is locked by the lock mechanism 55 at the raised position of the roller 19.

In addition, when the seat 9 is raised diagonally from the lowered state, the guide rail 3 is moved by operating the handle 47.
5 around the spindle 40 to tilt it back and forth, and in this state move the links 12 and 13,
Raise the roller 19. Then, the guide plate 34 moves along the guide rail 35 with an incline toward the front upward or backward upward, so that the sheet 9 moves forward or backward as the regulating body 33 moves back and forth, and the roller 19 rises. It moves diagonally upward as a result. Then, when the roller 19 is in the raised position, the ball 65 engages with the engagement groove 64 in the same manner as described above, whereby the link mechanism 11 is locked.

In addition, if too strong force is applied to the caregiver's body when performing manual therapy using acupressure or the like on the body of the caregiver placed on the raised seat 9, the ball will resist the bias of the spring 68 and 65 is disengaged from the engagement groove 64, and as a result, the connecting shaft 57 moves in the direction of arrow g with respect to the connecting cylinder 56, and the seat 9 descends as shown by the chain line in FIG. As a result, it is possible to prevent excessive force from being applied to the viewer.

Note that it is necessary to adjust the force applied to the viewer by finger pressure or the like depending on the viewer. to adjust the urging force of the spring 68 on the ball 65,
Thereby, the limit of the force with which the lock mechanism 55 is unlocked can be arbitrarily set.

Further, when the pedal 80 of the release operation means 75 is stepped on during acupressure, etc., the swinging member 78 swings in the direction of the arrow h shown in FIG. 6 about the support shaft 77 against the tensile force of the Bowden wire 81. This moves the interlocking shaft 7.
6 moves downward, the inner wire 87 of the Bowden wire 81 is pulled downward, and as a result, the spring receiver 66 and the ball receiver 67 move downward. As a result, the ball 65 is disengaged from the engagement groove 64, the interlocking shaft 57 moves in the direction of arrow g with respect to the connecting cylinder 56, and the seat 9 descends as shown by the chain line in FIG. The force applied to the caregiver's body can be manually released.

<Embodiment> Hereinafter, the present invention will be described according to the illustrated embodiment. In FIG. The front leg 4, the rear leg 5, and the center leg 6 are provided.

9a is a neck seat, 9b is a chest seat, 9c is an abdominal seat, 9d is a waist seat, and 9e is a leg seat, which are supported by the support frame 1. Each seat 9 is for placing the neck, chest, abdomen, waist, and feet of the patient, respectively.

1 and 2, reference numeral 11 denotes a link mechanism that supports the sheets 9, and each of the sheets 9a, 9
They are provided separately corresponding to 9b, 9c, 9d, and 9e, respectively. Each link mechanism 11 is a front upward first link 1 arranged to intersect with each other in an X-shape.
2 and rear ascending second links 13 are provided in pairs at both left and right ends below the seat 9. A support shaft 14 in the left and right direction is inserted through the center of each link 12, 13 so as to be relatively rotatable, and the links 12, 13 are supported rotatably around the support shaft 14.

A roller 16 is provided at the lower end of each link 12, 13.
are mounted so as to be rotatable about left and right horizontal shafts 17, and the rollers 16 are held by rails 18 provided in the front and back directions at the lower part of the side frame 2 so as to be rotatable in the front and rear directions. Also each link 12,1
3, rollers 19 are attached to the left and right horizontal shafts 2, respectively.
These rollers 1 are mounted rotatably around 0.
Reference numerals 9 correspond to the front, rear, left and right corners of the sheet 9, and the sheet 9 is placed on each roller 19.

The first links 12 corresponding to the left and right are connected to the front connecting rods 21 in the left and right direction, and the second links 12 corresponding to the left and right are connected to the front connecting rod 21 in the left and right direction.
The links 13 are connected to the rear connecting rod 22 in the left and right direction, and by the rotation of the links 12 and 13 around the support shaft 14, the plurality of rollers 16 are moved up and down in conjunction with each other so that they are always at the same height. The seat 9 can be raised and lowered in a horizontal state.

Reference numeral 24 denotes a push-up member for pushing up the links 12 and 13, which includes a support shaft 25 rotatably attached to the support frame 1, an operation handle 26 from which the support shaft 25 protrudes, and a support shaft 25 attached to the support shaft 25. A pair of front and rear arms 27 are provided. A roller 28 is attached to the tip of each arm 27.
is attached to be rotatable around the left and right axis, and by rotating the arm 27 around the support shaft 25 with the handle 26, the arm 27 pushes up the link 12 or link 13 from below via the roller 28, and this link 12, so that roller 19 rises.
13 can be rotated around a support shaft 14.

31 is a sheet 19 that moves in conjunction with the rise and fall of the roller 16.
An interlocking mechanism that moves the seats 9b and 9c back and forth.
They are provided separately for each. Each interlocking mechanism 31 has a regulating body 33 disposed below the seat 9.
and a guide plate 34 fixed to both ends of the support shaft 14,
It is provided with a pair of left and right guide rails 35 into which each guide plate 34 is slidably fitted.

The regulating body 33 includes a top plate portion 37 and a pair of left and right leg portions 38.
The pair of leg parts 38 are externally fitted around the support shaft 14 so as to be rotatable around the support shaft 14, and the top plate part 37 has a pair of protruding shafts projecting downward from the seat 9. 39 is inserted so as to be vertically slidable. Each rail 35 is fixed to a support shaft 40 in the left and right direction, and the support shaft 40 is rotatably supported by the side frame 2 and a bracket 41 projecting outward from the side frame 2 so as to be freely rotatable about its axis. Therefore, by adjusting the rotation around the axis of the support shaft 40, the guide rail 35 is tilted back and forth, and as a result, when the rollers 19 are moved up and down, the support shaft 14 and the regulating body 33 are moved against the inclination of the guide rail 35. move up and down along the line. Therefore, depending on the inclination angle of the guide rail 35, that is, the rotation angle of the support shaft 40, the seat 9 moves up and down in a straight line or tilts back and forth as shown by arrows a, b, and c in FIG.

44 is the sheet 9 for the vertical movement of the roller 19.
This is an adjustment mechanism for variably adjusting the ratio of back and forth movement of the seat 9, and is provided separately corresponding to each seat 9b, 9c. As shown in FIG. 3, each adjustment mechanism 44 includes an operation plate 45, a handle 47 having a screw shaft 46, and a U-shaped stopper 48 projecting upward from the bracket 41.

The operation plate 45 is formed into a U-shape having a pair of mounting arms 49, each of which is fitted onto the support shaft 40, and one of the mounting arms 49 is secured by a nut 50, 51 that is screwed onto the support shaft 40. It is tightened and fixed to the support shaft 40. The screw shaft 46 of the handle 47 is attached to the nut 5
The screw shaft 46 is screwed into the operation plate 45 via the screw shaft 46 so that it can move forward and backward, and the tip of the screw shaft 46 can come into contact with a stopper 48 so that it can move toward and away from the stopper 48. Therefore, handle 4
7 around the support shaft 40, the screw shaft 46
By bringing the guide rail 35 into contact with the stopper 48, the rotation of the guide rail 35 about the support shaft 40 can be adjusted, and the ratio of the back and forth movement of the sheet 9 to the vertical movement of the roller 19 can be variably adjusted.

In FIGS. 1 and 4, 55 is a locking mechanism for locking the link mechanism 11, and is provided separately corresponding to each seat 9a, 9b, 9c, 9d, and 9e. Each lock mechanism 55 includes a connecting cylinder 56, a connecting shaft 57 fitted into the connecting cylinder 56 so as to be slidable back and forth, an upper holding cylinder 58 projecting downward from the connecting cylinder 56, and a connecting cylinder 58 extending downward from the upper holding cylinder 58. A protruding lower holding cylinder 59 is provided.

The connecting cylinder 56 is rotatably attached around the rear connecting rod 22 via the cylinder 61, and the connecting shaft 57 is connected to the cylinder 6.
2, it is rotatably attached around the front connecting rod 21. A through hole 63 is provided at a position corresponding to the axis of the upper holding cylinder 58 of the connecting cylinder 56, and an engagement groove 64 is provided at a position corresponding to the through hole 63 of the connecting shaft 57.
is provided.

Inside the upper holding cylinder 58, there is a ball 65 that removably engages with the engagement groove 64 through a through hole 63, and a ball 65 that is attached to the engagement groove 64 side via a spring receiver 66 and a ball receiver 67. A biasing spring 68 is provided. Also, inside the holding cylinders 58 and 59, a threaded cylinder 70 is provided.
and a spring receiving member 71 are housed therein, and the threaded cylinder 70 is removably screwed into the lower end of the upper holding cylinder 58. The lower holding cylinder 59 is externally fitted and held at the lower part of the threaded cylinder 70 so as to be rotatable around the axis. Spring receiving member 71
is screwed into the threaded cylinder 70 so as to be movable up and down, and also receives the lower end of the spring 68. When the spring receiving member 71 rotates, the spring 68 urges the ball 65 toward the engagement groove 64. The power can now be adjusted. The lower end of the spring bearing member 71 is fitted into a cylinder 72 fixed to the lower holding cylinder 59 so as to be unrotatable around the axis and slidable up and down.
By rotating the spring bearing member 71 about the axis, the spring receiving member 71 can be rotated in the same direction and adjusted up and down with respect to the upper holding cylinder 58 and the threaded cylinder 70.

In FIGS. 5 and 6, reference numeral 75 denotes a release operation means for releasing the lock of each of the lock mechanisms 55, one of which is provided for each seat 9a, 9b, 9c, 9d, and 9e. Release operation means 75
An interlocking shaft 76 disposed below the lock mechanism 55 in the front-rear direction, a swinging member 78 swingably supported around a support shaft 77 in the back-and-forth direction, and a cylindrical body 79 of the swinging member 78 that slides left and right. Pedal 8 inserted freely
0 and a plurality of Bowden wires 81.

As shown in FIG. 7, both ends of the interlocking shaft 76 are connected to rails 83 via rollers 82 that are rotatable around the front and rear axes.
It is held so that it can be moved up and down. One end of the outer wire 85 of each Bowden wire 81 is connected to the interlocking shaft 7
6 is connected and fixed to an outer receiver 86 provided above,
The other end of the outer wire 85 is connected and fixed to the center of the bottom of the lower holding cylinder 59 of the locking mechanism 55 corresponding to each seat 9. One end of the inner wire 87 of each Bowden wire 81 projects downward from the outer receiver 86 and is connected and fixed to the interlocking shaft 76, respectively.
The other end of the inner wire 87 is connected to an outer receiver 86
It protrudes upward from the lower holding cylinder 59, the cylinder body 72, the spring bearing member 71, and the spring bearing 66 so as to be vertically movable, and is connected to the ball bearing 67. Thus, by moving the interlocking shaft 76 downward,
By pulling the ball receiver 67 and the spring receiver 66 downward against the spring 68 using the Bowden wire 81, the ball 65 is disengaged from the engagement groove 64, and all link mechanisms 11 of each seat 9 are removed. It is now possible to unlock the

The swinging member 78 is fixed to a support shaft 77 via a left-right cylindrical body 76, and both ends of the support shaft 77 are supported by bearings 88 so as to be rotatable about the axis. Further, the interlocking shaft 76 is inserted into an elongated hole 89 in the vertical direction of the swinging member 78 so as to be vertically movable.
8 has a top wall 90 that is bent into a chevron shape so that the central portion in the left-right direction is gradually raised, and a roller 91 externally fitted on the interlocking shaft 76 is in contact with this top wall 90 from below. Therefore, when the swinging member 78 swings left or right around the support shaft 77 from the upright state shown in FIG. 7, the interlocking shaft 76 is pressed downward by the top wall 90 via the roller 91. Therefore, the interlocking shaft 76 is configured to move downward within the range of the elongated hole 89.

In addition, in the embodiment, the link mechanisms 11,
An interlocking mechanism 31 and an adjustment mechanism 44 are provided to enable the abdominal seats 9b and 9c to be raised and lowered vertically and tilted back and forth, and also correspond to the head seat 9a, waist seat 9d, and foot seat 9e. A link mechanism 11 is provided, and these sheets 9a,
Although the seats 9d and 9e can be raised and lowered only in the vertical direction, instead of this, the seats 9a, 9d and 9e may also be made to be able to be raised and lowered in a tilted manner. It may also be configured so that it can be moved up and down in directions inclined to the left and right.

Further, in the above embodiment, the release operation means 75 includes a pedal 80, and the locking mechanism 55 is unlocked by depressing the pedal 80. However, a lever is provided in place of the pedal 80, and the lever is The locking mechanism 55 may be unlocked by manual operation.

<Effects of the invention> According to the invention, the plurality of rollers 19 can be moved up and down by the operation of the link mechanism 11, and the sheet 9 can be moved up and down. Since the sheet 9 can be moved in the horizontal direction perpendicular to the transverse axis 20 of the roller 19, the sheet 9 can be raised and lowered in an inclined direction from front to back or from side to side. can be raised to
Very useful for manual therapy such as acupressure. Further, a pair of first links 12 and a second link 13 are provided so as to intersect with each other in an X-shape, and a support shaft 14 is provided around the axis at the intersection of each of the links 12 and 13. The rollers 16 are inserted through the links 12 and 13 so as to be relatively rotatable, and a roller 16 is attached to the lower end of each of the links 12 and 13 so as to be rotatable about a horizontal shaft 17, and each roller 16 is rotatably held on a rail 18 of the support frame 1. A roller 19 is attached to the upper end of each link 12, 13 so as to be rotatable around a horizontal shaft 20,
The sheet 9 is placed on each of these rollers 19, and the corresponding first link 12 is attached to the front connecting rod 2 so that the sheet 9 can be raised and lowered in a horizontal state.
1 and a corresponding second link 1
Since the three comrades are connected by the rear connecting rod 22,
The support shaft 14 supports the first link 12 or the second link 13.
By rotating the seat 9, the seat 9 can be raised and lowered easily and smoothly while being reliably held in a horizontal state. Moreover, roller 19
Since the seat 9 can be raised and lowered by a link mechanism having links 12 and 13 arranged so as to intersect in an X-shape, there is no need for pressure devices such as cylinders and compressors as in the past.
This makes the device very simple and the manufacturing cost low, and even though the device is simple,
As described above, the X-shaped intersecting link mechanism can reliably support the load of the seat 9 and the viewer on the seat 9, and the seat 9 can be raised and lowered safely.

Further, a regulating body 33 having a top plate portion 37 and a pair of left and right leg portions 38 is provided below the seat 9, and the pair of leg portions are arranged so that the seat 9 moves horizontally in conjunction with the horizontal movement of the support shaft 14. 38 is externally fitted onto the support shaft 14 so as to be rotatable around the support shaft 14, and the top plate portion 37
A pair of protruding shafts 39 protruding downward from the seat 9 are inserted into the seat 9 so as to be slidable up and down, a guide plate 34 is fixed to both ends of the support shaft 14, and a pair of protruding shafts 39 into which the guide plates 34 are slidably fitted are inserted. The guide rail 35 is provided on the support frame 1 side, and an adjustment mechanism 44 is provided for adjusting the inclination of the guide rail 35 in order to vary the ratio of horizontal movement to the vertical movement of the seat 9. By skillfully utilizing the support shaft 14 that moves up and down as the second link 13 rotates, the seat 9 can be moved horizontally in conjunction with the elevation and descent of the seat 9. By adjusting the inclination, the ratio of horizontal movement to vertical movement of the seat 9 can be freely varied, which is very convenient in terms of handling. Also, sheet 9
Since the horizontal movement of the sheet 9 is performed using the vertical movement of the support shaft 14, the structure is much simpler and the movement operation can be performed more easily than if a separate moving means for horizontally moving the sheet 9 is provided. .

Further, a lock mechanism 55 is provided that connects the front connecting rod 21 and the rear connecting rod 22 so as to make it impossible to move the seat 9 up and down.
A release operation means 75 is provided for releasing the connection of the lock mechanism 55 so that the seat 9 can be separated from the rear connecting rod 22 and the seat 9 can be moved downward. If too much force is applied, the seat 9 can be lowered by operating the release operation means 75 to prevent harm to the caregiver's body. Moreover, as a person becomes an expert in manual therapy, it is important to know when to release the force applied to the patient, and this timing can be determined freely by operating the release operation means 75, so that the advanced technique of the expert can be fully mastered. It has become possible to perform safe and effective manual therapy by utilizing this technology, and its practical effects are significant.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a side view, FIG. 2 is a front sectional view, FIG. 3 is a plan sectional view of the adjustment mechanism, and FIG. 4 is a side sectional view of the locking mechanism.
FIG. 5 is a side sectional view of the release operation means portion, FIG. 6 is a front view of the same, FIG. 7 is a plan sectional view of the rail portion, and FIG. 8 is an overall side view. 9... Seat, 11... Link mechanism, 19...
Roller, 20...Horizontal axis, 31...Interlocking mechanism, 44
...Adjustment mechanism, 55...Lock mechanism, 75...Release operation means.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a bed for manual therapy in which a seat 9 for administering manual therapy is provided so as to be movable up and down, a first link 12 and a second link arranged to intersect with each other in an X shape. 2 links 13 are provided in pairs, a support shaft 14 is inserted into the intersection of each of the links 12 and 13 so as to be relatively rotatable around the axis, and a lower end of each of the links 12 and 13 has
A roller 16 is rotatably mounted around a horizontal axis 17, each roller 16 is rotatably held on a rail 18 of the support frame 1, and each link 12,
Rollers 19 are attached to the upper end of 13 so as to be rotatable around a horizontal axis 20, and the sheet 9 is placed on each of these rollers 19, so that the sheet 9 can be raised and lowered in a horizontal state. The first links 12 are connected to each other by a front connecting rod 21, and the corresponding second links 13 are connected to each other by a rear connecting rod 22, and a regulating body 33 has a top plate part 37 and a pair of legs 38. is provided below the seat 9, and the support shaft 14
A pair of leg parts 38 are externally fitted around the support shaft 14 so as to be rotatable around the support shaft 14 so that the seat 9 moves horizontally in conjunction with the horizontal movement of the top plate part 37.
A pair of protruding shafts 39 protrude downward from the seat 9.
is inserted vertically and slidably, guide plates 34 are fixed to both ends of the support shaft 14, and a pair of guide rails 35 into which the guide plates 34 are slidably fitted are provided on the support frame 1 side. 9. A manual therapy bed characterized by being provided with an adjustment mechanism 44 for adjusting the inclination of the guide rail 35 in order to vary the ratio of horizontal movement to vertical movement. (2) A lock mechanism 55 is provided to connect the front connecting rod 21 and the rear connecting rod 22 so that the seat 9 cannot be moved up and down, and the front connecting rod 21 and the rear connecting rod 22 can be separated. 2. The manual therapy bed according to claim 1, further comprising a release operation means 75 for releasing the connection of the lock mechanism 55 so as to allow the seat 9 to move downward.