JP2018176343A - Attachment device and movement support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To hinder wearing displacement of a movement support device with respect to a wearer.SOLUTION: An attachment device 10 attached by being interposed between a movement support device 20 supporting movement of the waist of a wearer U and the wearer U wearing the movement support device 20, comprises a waist pad part 11 or an elastic body 41, having a shape corresponding to the waist back part or hip part of the wearer U of the movement support device 20. For example, the waist pad part 11 may have a shape corresponding to the shape of the waist back part of the wearer U wearing the movement support device 20.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a mounting tool and an operation support device.

  There is a motion support device that is worn by a human and supports the motion of a worn human (hereinafter referred to as a wearer). The motion support device is driven by a motor or the like to generate a force that supports the motion performed by the wearer, and applies the force to the wearer. The force generated has an appropriate direction and magnitude to support the wearer's movement. As a result, the force required for the operation by the wearer wearing the operation support device is reduced. In this way, the motion support device supports the motion of the wearer by bearing a part of the force that the wearer should produce.

  Patent Document 1 discloses an example of a motion support device. The motion support device supports the forward bending motion of the wearer by causing the back attachment portion to exert a force against the user's forward inclination.

Patent No. 5526444

  The motion support device disclosed in Patent Document 1 includes a back frame or the like made of a rigid member in order to maintain the structure of the motion support device. In this operation support device, while the structure is maintained by the rigid member, the position to be attached to the body of the wearer (attachment position) is easily shifted. When the motion support device is mounted at a position deviated from the proper mounting position of the wearer's body, there is a problem that a force with an appropriate direction and magnitude can not be exerted on the wearer's body.

  The present invention has been made to solve the above-described conventional problems, and it is an object of the present invention to provide a mounting tool or the like that suppresses positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  In order to solve the above-mentioned subject, a mounting tool concerning one mode of the present invention is installed between a motion supporting device which supports motion of a person who wears, and a person who wears the motion supporting device. The mounting tool includes an elastic body that can have a shape corresponding to the shape of the lower back or buttocks of the person wearing the motion support device.

  According to this, the mounting tool is mounted on the wearer such that the shape of the lumbar back or buttocks of the wearer mounting the motion support device matches the shape of the hip rest. Then, the wearer wears the operation support device in a state where the wearing tool is worn. Then, the shape of the wearer's lower back or buttocks conforms to the shape of the elastic body, and the elastic body exerts an urging force in the direction of pushing the wearer and the operation support device. As a result, the positional deviation of the motion support device and the mounting tool from the lower back or buttocks of the wearer is suppressed. Thus, the mounting tool can suppress positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  For example, the elastic body may have a waist rest having a shape corresponding to the shape of the back of the person wearing the motion support device.

  According to this, the mounting tool is mounted on the wearer such that the shape of the lower back of the wearer mounting the motion support device matches the shape of the hip rest. Then, the wearer wears the operation support device on the outer side of the wearing tool with the wearing tool. Then, by matching the shape of the lower back of the wearer with the shape of the hip rest, positional deviation of the motion support device and the mounting tool from the lower back of the wearer is suppressed. Thus, the mounting tool can suppress positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  For example, the hip rest portion may have a convex shape corresponding to the concave shape of the person's waist at the sagittal section of the person's waist at the time of wearing the wearing tool.

  According to this, the wearing tool is worn by the wearer such that the convex shape of the waist rest portion is positioned in the vertical direction with respect to the concave shape of the waist of the wearer. Therefore, the mounting tool can suppress the positional deviation of the mounting position of the motion support device with respect to the wearer, particularly in the vertical direction.

  For example, the waist rest portion may have a concave shape corresponding to the convex shape of the person's waist at the cross section of the person's waist at the time of wearing the wearing tool.

  According to this, the wearing tool is worn by the wearer such that the convex part of the waist of the wearer is positioned in the left-right direction with respect to the concave part of the wearing tool. Therefore, the mounting tool can suppress the positional deviation of the mounting position of the motion support device with respect to the wearer, particularly in the left-right direction.

  For example, it may have a buttocks which may have a shape corresponding to the shape of the buttocks of the person wearing the motion support device.

  According to this, the mounting tool is deformed to a shape corresponding to the shape of the buttocks of the wearer who wears the motion support device, is mounted on the wearer, and exerts a force to press the buttocks of the wearer. As a result, the frictional force between the buttocks of the wearer and the wearing tool is increased, and displacement of the wearing tool from the buttocks of the wearer is suppressed. Thus, the mounting tool can suppress positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  For example, the buttocks may be a sheet-like elastic body.

  According to this, the mounting tool can be realized by a sheet-like elastic body with a specific and simple configuration.

  For example, the motion support device includes a drive unit for driving the motion support device to support the motion of the waist of the person wearing the motion support device, and the mounting tool further includes the elastic body The attachment may be provided to attach the attachment to the motion support device so as to contact a person's lower back or buttocks.

  As a result of the reaction force of the force supporting the motion of the wearer generated by the motion support device acting on the motion support device, positional deviation of the mounting position with respect to the wearer may occur. Therefore, by fixing the mounting tool to the operation support apparatus by the mounting portion, positional deviation of the mounting position of the operation support apparatus with respect to the wearer can be further suppressed.

  Further, in the operation support apparatus according to an aspect of the present invention, the operation support is performed to support an operation of a mounting portion attached to the attachment section of the mounting tool and a waist of a person wearing the operation support apparatus. And a drive unit for driving the device.

  As described above, by fixing the operation support device to the mounting tool by the attached portion, positional deviation of the mounting position of the operation support device with respect to the wearer can be further suppressed.

  The mounting tool etc. which concern on this invention can suppress position shift of the mounting position of the operation assistance apparatus with respect to a wearer.

FIG. 1 is an explanatory view showing how to attach a motion support device according to the related art. FIG. 2 is a first explanatory view showing a state in which the mounting position of the operation support apparatus according to the related art is shifted from an appropriate mounting position. FIG. 3 is a second explanatory view showing a state in which the mounting position of the operation support apparatus according to the related art is shifted from the appropriate mounting position. FIG. 4 is an explanatory view of a posture in which a wearer wearing the operation support apparatus in a manner of wearing according to the related art tries to lift an object. FIG. 5 is an explanatory view showing a wearer wearing the wearing tool and the operation support apparatus according to the first embodiment. FIG. 6 is a front view (a), a side view (b) and a top view (c) showing the appearance of the attachment according to the first embodiment. FIG. 7 is a first explanatory view schematically showing the positional relationship between the wearing tool and the wearer and the operation support apparatus according to the first embodiment. FIG. 8 is a second explanatory view schematically showing the positional relationship between the wearing tool and the wearer and the operation support apparatus according to the first embodiment. FIG. 9 is a first explanatory view when a wearer wearing the wearing tool and the operation support apparatus according to the first embodiment tries to lift an object. FIG. 10 is a second explanatory view when the wearer wearing the wearing tool and the operation support apparatus according to the first embodiment tries to lift an object. FIG. 11 is an explanatory view showing a mounting portion of the mounting tool according to the first modification of the first embodiment and a mounting portion of the operation support apparatus. FIG. 12 is a first explanatory view showing the shape of the attachment according to the second modification of the first embodiment. FIG. 13 is a second explanatory view showing the shape of the attachment according to the second modification of the first embodiment. FIG. 14 is an explanatory view showing a wearer wearing the wearing tool and the operation support apparatus according to the second embodiment. FIG. 15 is an external view of the wearing tool according to the second embodiment as viewed from the back of the wearer. FIG. 16 is an external view of the wearing tool according to the second embodiment viewed from the side of the wearer. FIG. 17 is a first explanatory view showing a force exerted by the attachment according to the second embodiment. FIG. 18 is a second explanatory view showing a force exerted by the wearing tool according to the second embodiment. FIG. 19 is a third explanatory view showing a force exerted by the wearing tool according to the second embodiment.

  The embodiments described below all show one preferable specific example of the present invention. Numerical values, shapes, materials, components, arrangement positions and connection forms of components, steps, order of steps, and the like shown in the following embodiments are merely examples, and the present invention is not limited thereto. Further, among the components in the following embodiments, components not described in the independent claim indicating the highest concept of the present invention will be described as optional components constituting a more preferable embodiment.

  In addition, the same code | symbol may be attached | subjected to the same component and description may be abbreviate | omitted.

Embodiment 1
In the present embodiment, a mounting tool for suppressing positional deviation of the mounting position of the motion support apparatus with respect to the wearer will be described. The mounting tool of the present embodiment is a mounting tool mounted on the lower back of the wearer.

  First, conventional problems when the wearer U wears the operation support device will be described. In addition, the method of mounting | wearing of the conventional operation | movement assistance apparatus by the wearer U is also called related technology.

  FIG. 1 is an explanatory view showing how to mount the operation support apparatus 20 according to the related art.

  As shown in FIG. 1, the wearer U wears the motion support device 20 across the back, hip, side waist and thigh.

  The motion support device 20 is a motion support device which is mounted on the back, waist, side waist and thigh of the wearer U and supports the hip bending by the wearer U and the like. The motion support device 20 exerts a force on the wearer U to assist the wearer U in supporting the forward bending operation in which the wearer U moves from the standing posture to the forward bending posture, and the return movement in which the bending posture from the forward bending posture returns to the standing posture. It bears part of the force the wearer U has to generate for the movement and return movement. The operation support apparatus 20 includes an apparatus main body 21 and a belt 22.

  The device body 21 is a main part of the motion support device 20 that exerts a force on the wearer U to support the forward bending motion and the return motion of the wearer U. The apparatus main body 21 includes a plurality of rigid members, a motor that exerts a force supporting the operation of the wearer U on the plurality of rigid members, a power source for operating the motor, and a sensor that detects a bending angle of the waist of the wearer U It includes a certain encoder, and a control unit that adjusts the magnitude of the force generated by the motor based on the bending angle detected by the encoder.

  For example, among the plurality of rigid members, the rigid member 23 extending from the back and lower back of the wearer U to the vicinity of the side waist and the rigid member 24 extending from the vicinity of the side waist to the vicinity of the thigh of the wearer U It is connected mechanically. The rotation angle of the joint 25 is controlled by a motor. The device main body 21 supports the hip bending operation by the wearer U and the like by the force adjusted by the control unit.

  The belt 22 is a flexible member for attaching the device body 21 to the body of the wearer U. One end of the belt 22 is fixed to the upper portion of the device body 21 (the side closer to the head of the wearer U). The other end of the belt 22 is fixed to the device body 21 near the side waist through the shoulder of the wearer U and the front of the body. The belt 22 exerts a force on the device body 21 in a direction to bring the device body 21 closer to the body of the wearer U. The belt 22 can be adjusted to a length suitable for the size of the wearer U's body. The belt 22 may be provided with an adjustment mechanism (not shown) for adjusting its length.

  The mounting position of the motion support device 20 shown in FIG. 1 is an appropriate position for the wearer U. However, after the wearer U operates while receiving support from the operation support device 20, the mounting position of the operation support device 20 with respect to the wearer U may deviate from the appropriate position. Also, it may be possible for the wearer U to lift the object in an inappropriate posture. These problems are specifically described.

  First, the problem of misalignment of the mounting position will be described.

  FIGS. 2 and 3 show the first and second installation states when the wearer U wears the operation support apparatus 20 in the manner of wearing according to the related art, respectively. FIG. Each of these is an example of a situation that may occur after the wearer U wears the operation support apparatus 20 in a manner of mounting according to the related art and operates while receiving support from the operation support apparatus 20.

  The mounting position of the motion support device 20 in FIG. 2 is shifted upward from the mounting position in FIG. 1, and the joint 25 is positioned above the side waist of the wearer U.

  The mounting position of the motion support device 20 in FIG. 3 is such that the upper part is shifted to the right for the wearer U and the lower part is shifted to the left from the mounting position in FIG. The height from the surface is different.

  If the wearer U performs a forward bending operation with the motion support device 20 mounted at the position shown in FIG. 2 or 3, the bending angle of the waist of the wearer U is not properly detected by the encoder, The angle of the joint 25 calculated by the control unit is also not appropriate. As a result, a force in an inappropriate direction and magnitude is exerted on the wearer U, and appropriate operation support is not provided.

  Next, the problem of lifting an object in an inappropriate posture will be described.

  FIG. 4 is an explanatory view of a posture in which the wearer U wearing the operation support apparatus 20 tries to lift the object 30 in the manner of wearing according to the related art.

  In FIG. 4, in order to lift the object 30, the wearer U grasps the object 30 by bending the waist forward without bending the knee much. In other words, the mounting method according to the related art allows the wearer U to bend his / her waist and lift the object 30. It is known that if the object 30 is lifted in this posture, the wearer U may injure the lower back, for example, if the object 30 is unintentionally heavy.

  In general, when lifting the object 30, it is ideal that the wearer U bends his knee and takes a crooked posture (scrouching posture) so as not to hurt the lower back. However, it is a reality that in many cases it takes a posture in which the knee is not bent so much because it is troublesome to take a crooked posture in which the knee is bent.

  Thus, at least the two problems described above may occur in the method of mounting the operation support apparatus 20 according to the related art.

  Therefore, the mounting tool according to the present embodiment mounts the operation support device 20 at an appropriate position of the body of the wearer U by suppressing the displacement of the mounting position of the operation support device 20. Moreover, it can suppress that the wearer U lifts an object in an unsuitable attitude | position.

  FIG. 5 is an explanatory view showing the wearer U wearing the wearing tool 10 and the operation support apparatus 20 according to the present embodiment.

  As shown in FIG. 5, the wearer U wears the wearing tool 10 and the operation support device 20. In other words, the wearing tool 10 is attached to the wearer U while being interposed between the wearer U and the operation support device 20.

  In the motion support device 20, a force is exerted by the belt 22 in a direction to approach the body of the wearer U. Therefore, the mounting tool 10 can be sandwiched between the motion support device 20 and the body of the wearer U, and can maintain its position by the frictional force with them. In addition, the attachment tool 10 may be provided with an attachment mechanism for attaching to the body of the wearer U or the operation support device 20. In that case, the position of the attachment tool 10 may be maintained by the attachment mechanism. .

  The mounting tool 10 will be described in detail below.

  FIG. 6 is a front view (a), a side view (b) and a top view (c) showing the appearance of the wearing tool 10 according to the present embodiment. FIG. 7 is a first cross-sectional view schematically showing the positional relationship between the wearing tool 10 according to the present embodiment, the wearer U, and the operation support apparatus 20. As shown in FIG. FIG. 8 is a second cross-sectional view schematically showing the positional relationship between the wearing tool 10 according to the present embodiment, the wearer U, and the operation support apparatus 20. As shown in FIG.

  6-8, the description may be made using the coordinate axes shown in each drawing. At that time, the Z-axis positive direction and the negative direction may be referred to as the upward direction and the downward direction, respectively. Also, the Y-axis positive direction and the negative direction may be referred to as the right direction and the left direction, respectively.

  FIG. 7 shows a sagittal section including the lumbar region of the wearer U when the wearer U is wearing the operation support apparatus 20 through the wearing tool 10, and in addition, the fitting in the plane concerned 10 and a cross section of the motion support device 20 are shown. In addition, the mounting tool 10 shown by FIG. 7 is a cross section of the mounting tool 10 in the VII-VII line in (a) of FIG.

  Further, FIG. 8 shows a cross-sectional cross section of the lumbar spine of the wearer U when the wearer U is wearing the operation support device 20 through the wearing tool 10. 10 and a cross section of the motion support device 20 are shown. In addition, the mounting tool 10 shown by FIG. 8 is a cross section of the mounting tool 10 in the VIII-VIII line in (a) of FIG.

  As shown in (a) of FIG. 6 and the like, the wearing tool 10 includes a waist rest 11, a frame 12, and support portions 13 and 14.

  The hip rest 11 has a predetermined shape corresponding to the shape of the lower back of the wearer U, and is a member that contacts the lower back of the wearer U. The waist rest 11 is made of, for example, a metal mesh (wire mesh), more specifically, a stainless steel mesh having a wire diameter of 0.5 mm and a mesh size of 10 mm. The waist rest 11 is an elastic body having elasticity. The waist rest 11 may be made of resin, for example.

  The frame 12 is a frame that covers the outer peripheral portion of the waist rest 11.

  The support portion 13 is a support member that supports the waist rest portion 11 so as to maintain a predetermined shape. The support portion 13 is a two strip-shaped member connected to the upper end portion and the lower end portion of the frame 12.

  The support portion 14 is a support member that supports the waist rest 11 so as to maintain a predetermined shape. The support portion 13 is a belt-like member connected to the left end portion and the right end portion of the frame 12.

  In addition, the support parts 13 and 14 may be connected to the hip rest part 11, and a connection location is not limited to the said location. Further, in the case where the waist rest portion 11 can maintain the predetermined shape without using the support portions 13 and 14, the support portions 13 and 14 are unnecessary.

  In addition, the material of the frame 12 and the support parts 13 and 14 is arbitrary, for example, may be cloth, metal, and resin.

  Hereinafter, the effect of suppressing the positional deviation of the mounting position will be described.

  As shown in (a) of FIG. 6, the mounting tool 10 has a substantially hexagonal shape in a front view. The dimensions of the mounting tool 10 are, for example, about 30 cm to 50 cm in the vertical and horizontal directions. However, the shape and size in a front view of the wearing tool 10 may be a shape (for example, a circular shape, an elliptical shape, or a quadrangular shape) and a size that can cover the region of the waist of the wearer U.

  As shown in (b) of FIG. 6 and FIG. 7, the hip rest portion 11 has a shape corresponding to the shape of the lower back of the wearer U. And the mounting tool 10 is mounted | worn with the wearer U so that the shape of the waist rest part 11 and the shape of the waist part of the wearer U may correspond.

  More specifically, the hip rest portion 11 has a convex shape in which the central portion 15 in a side view expands in a direction toward the wearer U. It is preferable that this convex shape is a convex shape (bulging shape) substantially corresponding to the concave shape related to the curvature of the waist of the wearer U in the sagittal cross section. By having such a convex shape, the mounting tool 10 can be mounted on the wearer U such that the central portion 15 of the mounting tool 10 is positioned at a recessed position due to the curvature of the lower back of the wearer U.

  Further, as shown in (c) of FIG. 6 and FIG. 8, the hip rest portion 11 has a convex shape in which the central portion 16 in a top view is expanded in a direction away from the wearer U. It is preferable that this convex shape is a concave shape corresponding generally to the convex shape related to the swelling of the lower back of the wearer U in the cross section. By having such a concave shape, the wearing tool 10 can be attached to the wearer U such that the central portion 16 of the wearing tool 10 is positioned at the bulging position of the lumbar region of the wearer U.

  As described above, when the waist rest portion 11 of the wearing tool 10 has a shape corresponding to the shape of the waist area of the wearer U, positional deviation of the wearing tool 10 with respect to the wearer U can be suppressed. .

  As described above, the hip rest portion 11 has elasticity, and a force in the direction to approach the wearer U is applied to the operation support device 20. Therefore, the waist support 11 in the state of being worn by the wearer U is compressed in the X-axis direction, and for the wearer U and the motion support device 20, respectively, the wearer U and the motion support device 20 are It exerts a biasing force in the pushing direction. By this biasing force, the convex portion of the hip rest portion 11 is positioned in the vertical direction with respect to the concave portion of the lower back of the wearer U. Moreover, the convex part of the waist part of the wearer U is positioned with respect to the recessed part of the mounting tool 10 by the said urging | biasing force in the left-right direction. As a result, there is an effect that positional deviation of the wearing tool 10 (the waist rest 11) shown in FIG. 2 and FIG. 3 is suppressed.

  Next, an effect of suppressing lifting of an object in an inappropriate posture will be described.

  FIG.9 and FIG.10 is 1st and 2nd explanatory drawing when the wearer U equipped with the mounting tool 10 and the operation assistance apparatus 20 which concern on this Embodiment tries to lift an object.

  Generally, when trying to lift the object 30 placed on the floor without taking a crouching posture, the convex shape in which the lumbar region of the wearer U bulges toward the motion support device 20, the so-called back and waist being round It becomes the posture which becomes (see Figure 4).

  As shown in FIG. 9, when the wearer U wearing the mounting tool 10 according to the present embodiment tries to take a posture in which the back is rounded as described above, the central portion in the sagittal cross section of the hip rest portion 11 15 generates a force F pushing the back of the wearer U, and the force F becomes so strong that the wearer U curls his back. Therefore, it is suppressed that the wearer U tries to take a forward bending posture until enduring the force F. Then, in order to grip the object 30 placed on the floor, the wearer U is forced to take a crouching posture in which the knee is bent.

  As a result, as shown in FIG. 10, the wearer U takes a crouching posture and lifts the object 30 in the crouching posture. In this manner, the mounting tool 10 can suppress lifting of an object in an inappropriate posture.

  In addition, air permeability is ensured by the backrest part 11 of the mounting tool 10 being comprised by the mesh of metal, and, thereby, there exists an effect by which the stuffiness of the back of the wearer U is suppressed.

  In addition, the mounting tool 10 may be used also for another use. However, it is considered that the movement support device 20 and the body of the wearer U are not used for the purpose of suppressing the displacement of the mounting position of the movement support device 20. In other words, it can also be said that the mounting tool 10 is found to be suitable for use in a new application of suppressing displacement of the mounting position of the operation support device 20.

(Modification 1 of Embodiment 1)
FIG. 11 is an explanatory view showing the attachment portion 17 of the attachment 10 according to the present modification and the attached portion 26 of the operation support apparatus 20. As shown in FIG.

  As shown in FIG. 11, the mounting tool 10 according to the present modification includes a mounting portion 17 in addition to the configuration in the embodiment. In addition, the operation support device 20 according to the present modification includes the attached portion 26.

  The attachment portion 17 is a member for attaching the attachment 10 to the operation support device 20. The attachment portion 17 has a function of being attached to the attached portion 26 provided in the operation support device 20.

  The attached portion 26 is a member for attaching the operation support device 20 to the attachment 10. The mounting portion 26 has a function of being attached to the mounting portion 17 provided in the mounting tool 10.

  The attachment portion 17 and the attachment portion 26 may be any substance or mechanism as long as they can be fixed to each other. For example, the mounting portion 17 and the mounting portion 26 may be fixed to each other by adhesion, bonding, engagement, fitting or the like. Fixation may be temporary or permanent.

  The motion support device 20 exerts a force on the wearer U to support the motion of the wearer U as described above. At that time, as a result of the reaction force acting on the motion support device 20, positional deviation of the mounting position with respect to the wearer U may occur. Therefore, by fixing the mounting tool 10 to the operation support device 20 by the mounting portion 17 and the mounting portion 26, the positional deviation of the mounting position of the operation support device 20 with respect to the wearer U can be further suppressed. .

(Modification 2 of Embodiment 1)
In the present modification, a mounting tool 10A which is another form of the mounting tool 10 will be described.

  FIG.12 and FIG.13 is 1st and 2nd explanatory drawing which shows the shape of 10 A of mounting tools which concern on this modification. FIG. 12 shows a cross section similar to FIG. 7 for the mounting tool 10A. FIG. 13 shows a cross section similar to FIG. 8 for the mounting tool 10A.

  As FIG.12 and FIG.13 shows, the external shape of the near side of the wearer U of the waist rest part 11A of the mounting tool 10A is the same outline as the waist rest part 11 of the mounting tool 10 of embodiment. On the other hand, the external shape of the side far from the wearer U of the waist rest portion 11A of the mounting tool 10A (that is, the side closer to the operation support device 20) is arbitrary. If the external shape of the waist rest portion 11A far from the wearer U is made a shape corresponding to the shape of the motion support device 20, there is an advantage that positional deviation between the mounting tool 10A and the motion support device 20 can be suppressed. .

  The material of the waist rest portion 11A may be any one having elasticity, and for example, a sponge, a rubber or the like can be adopted.

  As described above, the mounting tool 10A can also exhibit the effect of suppressing the positional deviation of the mounting position of the operation support device 20 with respect to the wearer U.

  As described above, the wearing tool according to the present invention is worn by the wearer such that the shape of the hips or buttocks of the wearer wearing the operation support device matches the shape of the hip rest. Then, the wearer wears the operation support device in a state where the wearing tool is worn. Then, the shape of the wearer's lower back or buttocks conforms to the shape of the elastic body, and the elastic body exerts an urging force in the direction of pushing the wearer and the operation support device. As a result, the positional deviation of the motion support device and the mounting tool from the lower back or buttocks of the wearer is suppressed. Thus, the mounting tool can suppress positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  In addition, the mounting tool is mounted on the wearer U such that the shape of the lumbar region of the wearer wearing the motion support device matches the shape of the hip rest. Then, the wearer wears the operation support device on the outer side of the wearing tool with the wearing tool. Then, by matching the shape of the lower back of the wearer with the shape of the hip rest, positional deviation of the motion support device and the mounting tool from the lower back of the wearer is suppressed. Thus, the mounting tool can suppress positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  Further, the mounting tool is mounted on the wearer such that the convex portion of the hip rest portion is positioned in the vertical direction with respect to the concave portion of the lower back of the wearer. Therefore, the mounting tool can suppress the positional deviation of the mounting position of the motion support device with respect to the wearer, particularly in the vertical direction.

  Further, the mounting tool is mounted on the wearer such that the convex portion of the back of the wearer is positioned in the left-right direction with respect to the recess of the mounting tool. Therefore, the mounting tool can suppress the positional deviation of the mounting position of the motion support device with respect to the wearer, particularly in the left-right direction.

  Moreover, as a result of the reaction force of the force for supporting the motion of the wearer generated by the motion support device acting on the motion support device, positional deviation of the mounting position with respect to the wearer may occur. Therefore, by fixing the mounting tool to the operation support apparatus by the mounting portion, positional deviation of the mounting position of the operation support apparatus with respect to the wearer can be further suppressed.

  Further, the motion support device according to the present invention can further suppress positional deviation of the mounting position of the motion support device with respect to the wearer by fixing the motion support device to the mounting tool by the attached portion.

Second Embodiment
In the present embodiment, a mounting tool for suppressing positional deviation of the mounting position of the motion support apparatus with respect to the wearer will be described. The mounting tool of the present embodiment is mounted on the buttocks of the wearer, and the operation supporting device is mounted on the body of the wearer at an appropriate position by suppressing the displacement of the mounting position of the operation supporting device.

  FIG. 14 is an explanatory view showing the wearer U wearing the wearing tool 40 and the operation support apparatus 20 according to the present embodiment.

  As shown in FIG. 14, the wearer U mounts the mounting tool 40 on the buttocks and further mounts the operation support apparatus 20. In other words, the attachment 40 is attached to the wearer U while being interposed between the wearer U and the operation support device 20.

  The mounting tool 40 will be described in detail below.

  FIG. 15 is an external view of the wearing tool 40 according to the present embodiment as viewed from the back of the wearer U. As shown in FIG. FIG. 16 is an external view of the wearing tool 40 according to the present embodiment as viewed from the side of the wearer U. As shown in FIG.

  As shown in FIGS. 15 and 16, the mounting tool 40 includes an elastic body 41, mounting portions 42L and 42R, and mounting portions 44L and 44R.

  The elastic body 41 is an elastic body bridged between the rigid members 23 and 24 of the motion support device 20. The elastic body 41 is attached to the buttocks of the wearer U and can be deformed into the shape of the buttocks of the wearer U. The elastic body 41 is, for example, a sheet-like elastic body (rubber, silicone, polyurethane, urethane or the like) having a thickness of about several millimeters.

  Also, the elastic body 41 is stretched when the distance between the rigid member 23 and the rigid member 24 increases, and generates a force to contract by elasticity. This force acts on the wearer U as a force for pressing the buttocks of the wearer U forward to the wearer.

  The attachment portions 42L and 42R and the attachment portions 44L and 44R are attachment portions for attaching the elastic body 41 to the rigid member 23. The attachment portions 42L and 42R and the attachment portions 44L and 44R are disposed at symmetrical positions, and the structure and function are the same. Hereinafter, the mounting portions 42R and 44R will be described, but the same description is also applied to the mounting portions 42L and 44L.

  The mounting portion 42R is a mounting portion provided at a position on the upper right side of the elastic body 41 (meaning the upper right side on the sheet of paper. The same applies to the following). For example, the attachment portion 42R is an annular member fixed to the elastic body 41 by stitching or bonding. The elastic member 41 is fixed to the rigid member 23 by the rigid member 23 penetrating the inside of the annular member which is the attachment portion 42R. In addition, the attachment part 42R may exist by one or more arbitrary numbers, and one is present in FIG.

  The mounting portion 44 </ b> R is a mounting portion provided at the lower right position of the elastic body 41. For example, the attachment portion 44R is an annular member fixed to the elastic body 41 by stitching or adhesion. The elastic member 41 is fixed to the rigid member 24 by the rigid member 24 penetrating through the hole of the annular member which is the attachment portion 44R. In addition, the attachment part 42R may exist by one or more arbitrary numbers, and two exist in FIG.

  The elastic body 41 is bridged to the rigid members 23 and 24 by the attachment portions 42L and 42R and the attachment portions 44L and 44R, and expands and contracts in accordance with the movement of the rigid members 23 and 24. For example, the elastic body 41 is in a state of natural length at the position of the rigid members 23 and 24 (see FIG. 16) when the waist of the wearer U is extended. At this time, the elastic body 41 does not generate a contraction force and exerts no force on the wearer U, and therefore the movement of the wearer U is not hindered. In addition, the elastic body 41 generates a larger contraction force as the distance between the rigid members 23 and 24 increases due to the bending of the waist of the wearer U. The contraction force acts on the wearer U as a force that presses the buttocks of the wearer U.

  The mounting portions 42L and 42R and the rigid members 23 and 24 to which the mounting portions 44L and 44R are mounted correspond to the mounting portions.

  The elastic body 41 can also be configured as a crossed thin elastic body (rubber, silicone, polyurethane, urethane, etc.). In this case, the elastic body 41 is configured as a thin string-like elastic body connecting the attachment portion 42L and the attachment portion 44R, and a thin string-like elastic body connecting the attachment portion 42R and the attachment portion 44L. The elastic body having this configuration also achieves the same effect as the elastic body 41 of the present embodiment.

  FIG. 17 is a first explanatory view showing the force exerted by the attachment 40 according to the present embodiment. FIG. 18 is a second explanatory view showing the force exerted by the attachment 40 according to the present embodiment.

  FIG. 17 shows a state in which the waist of the wearer U is slightly bent (for example, a middle-back posture). In this state, a force is exerted on the elastic body 41 so as to be pulled evenly from all directions by the attachment portions 42R and 44R. For example, at points P on the elastic body 41, forces G1, G2, G3 and G4 (also referred to as forces G1 and the like) that are pulled substantially uniformly from all directions are acting. The above-described forces G1 and the like are representative ones, and they do not strictly indicate the forces acting at the point P.

  And the synthetic | combination force G which synthesize | combined vectorically said force G1 grade | etc., Has a direction which goes to the buttocks part of the wearer U (refer FIG. 18). By the synthetic force G acting on each point on the elastic body 41, the elastic body 41 is deformed into a shape corresponding to the shape of the hip portion of the wearer U, and exerts a force to press the hip portion as it is. Thereby, the elastic body 41 is suppressed from being displaced from the buttocks of the wearer U. Since the elastic body 41 is fixed to the operation support device 20 via the attachment portion 42R, the operation support device 20 may be deviated from the back of the wearer U by suppressing the elastic body 41 from being displaced from the buttocks. An effect to be suppressed can also be exhibited.

  FIG. 19 is a third explanatory view showing the force exerted by the attachment 40 according to the present embodiment.

  FIG. 19 shows a state where the wearer U in the state shown in FIG. 17 steps on the left foot one step ahead while maintaining the position of the right foot. In this state, the distance between the mounting portion 42L and the mounting portion 44R is larger than the distance between the mounting portion 42R and the mounting portion 44L. As a result, the forces H2 and H4 acting on the point P on the elastic body 41 in the direction connecting the attachment portion 42L and the attachment portion 44R (direction connecting the upper left and lower right on the sheet) are the attachment portion 42R and the attachment portion 44 L is greater than the forces H1 and H3 in the direction connecting the upper left and the lower left on the paper surface. As a result, the combined force (not shown) of the forces H1, H2, H3 and H4 becomes larger than the combined force G in FIG. 18, and presses the buttocks of the wearer more strongly.

  As described above, when the angle of the foot changes due to the movement of the body of the wearer U or the bending angle of the waist changes, the combined force G increases. As a result, the elastic body 41 is more strongly pressed against the buttocks of the wearer U, and the effect of suppressing the displacement of the elastic body 41 from the buttocks is further enhanced. In general, when there is a movement of the body of the wearer U, the operation support device 20 is easily displaced from the body of the wearer U. The mounting tool 40 is highly useful because the pressing force for pressing the buttocks of the wearer U is strong when there is movement of the body of the wearer U, and the shift prevention effect can be enhanced.

  As described above, the mounting tool 40 according to the present embodiment has an advantage that the shift suppressing effect can be increased according to the movement of the body of the wearer U by the simple configuration.

  As described above, the wearing tool according to the present embodiment is deformed to a shape corresponding to the shape of the buttocks of the wearer wearing the operation support device and is attached to the wearer and exerts a force to press the buttocks of the wearer . As a result, the frictional force between the buttocks of the wearer and the wearing tool is increased, and displacement of the wearing tool from the buttocks of the wearer is suppressed. Thus, the mounting tool can suppress positional deviation of the mounting position of the operation support apparatus with respect to the wearer.

  Further, the mounting tool can be realized by a sheet-like elastic body with a specific and simple configuration.

  As mentioned above, although the mounting tool of this invention was demonstrated based on embodiment, this invention is not limited to this embodiment. Without departing from the spirit of the present invention, various modifications that may occur to those skilled in the art may be made to the present embodiment, or a form constructed by combining components in different embodiments is also included in the scope of the present invention. .

  The mounting tool according to the present invention is applicable to a mounting tool that suppresses positional deviation of the mounting position of the motion support device with respect to the wearer. More specifically, the present invention is applicable to an operation support apparatus that reduces the burden on the wearer by assisting the operation of the wearer in the operation of lifting or carrying a heavy object.

Reference Signs List 10, 10A, 40 Mounting tool 11, 11A Backrest 12 Frame 13, 14 Support 15, 16, Central 17 17, 42L, 42R, 44L, 44R Attachment 20 Operation Support Device 21 Device Body 22 Belt 23, 24 Rigid Member 25 joints 26 attached parts 30 object 41 elastic body F, G1, G2, G3, G4, H1, H2, H3, H4 force G synthetic force U wearer

Claims (8)

A motion support device for supporting the motion of the waist of a person to be worn and a person wearing the motion support device between the person and the user,
A mounting tool comprising an elastic body that can have a shape corresponding to the shape of the lower back or buttocks of the person wearing the motion support device. The mounting tool according to claim 1, wherein the elastic body has a waist rest portion having a shape corresponding to the shape of the back of the person wearing the motion support device. The wearing tool according to claim 2, wherein the hip rest portion has a convex shape corresponding to a concave shape of the back of the person in a sagittal section of the back of the person's back, to which the wearing tool is attached. The mounting tool according to claim 2 or 3, wherein the waist rest portion has a concave shape corresponding to a convex shape of the back of the person's waist, in a cross section of the back of the person's back, to which the mounting tool is attached. The mounting tool according to claim 1, wherein the elastic body has a buttocks portion that can have a shape corresponding to the shape of the buttocks of the person wearing the motion support device. The mounting tool according to claim 5, wherein the buttocks portion is a sheet-like elastic body. The operation support apparatus includes a drive unit that drives the operation support apparatus to support an operation of the waist of the person wearing the operation support apparatus.
The mounting tool further comprises:
The mounting tool according to any one of claims 1 to 6, further comprising a mounting portion for mounting the mounting tool to the motion support device such that the elastic body contacts the lower back or buttocks of the person. An operation support device,
An attached portion attached to the attachment portion of the attachment according to claim 7;
An operation support apparatus comprising: a drive unit that drives the operation support apparatus to support an operation of the waist of a person wearing the operation support apparatus.

Images