JP5077677B2 - Elevating device for vehicle - Google Patents

Description

  The present invention raises and lowers a flat plate-like mounting body on which a wheelchair is mounted in a parallel or substantially parallel posture to a descending position on or near the ground and an ascending position that is the same height as or substantially the same as the floor of the vehicle. The lifting operation means to be operated, the blocking posture in which the wheelchair is raised and swung upward to receive and prevent the wheelchair from moving outward from the boarding / alighting edge of the mounting body, and the wheelchair is outward from the mounting body A receiving body provided at the boarding / abutting edge of the mounting body in a state where it can swing up and down in an allowable posture that is swung to the outer side to allow movement to A holding means for holding the receiving body in the blocking posture, a holding position at which the holding means is in a holding action state, and a holding release position at which the holding means is in a holding release state. Vehicle provided with manual operating tool for operating holding means provided in body On the lifting device.

Such a vehicle lifting device moves a mounting body up and down to a lowered position on or near the ground or a raised position that is the same height as or substantially the same as the floor surface of the vehicle by a lifting operation means, thereby moving the wheelchair to the ground. It is configured so that it can be transferred between the top and the inside of the vehicle, and the wheelchair can be moved on and off from the loading / unloading edge by swinging and swinging the receiving body to an allowable posture. The wheelchair falls from the mounting body by preventing the wheelchair from moving outward from the boarding / alighting edge of the mounting body by swinging the receiving body upright in the blocking posture. Can be prevented.
In such a vehicle lifting apparatus, conventionally, the manual operation tool is configured to be movable in the holding release direction from the holding position to the holding release position, and the wheelchair is placed on the mounting body. When moving the mounting body up and down, the manual operation tool is moved to the holding position, and the holding body is held in the blocking posture by the holding means in the holding action state. When getting on and off the wheelchair from the edge for getting on and off, the manual operating tool is moved to the holding release position, the holding means is released to the holding release state, and the holding means is released from being held at the blocking position. Is switched to an allowable posture (see, for example, Patent Document 1).

JP 2000-326781 A

  However, in the above-described conventional vehicle lifting device, the manual operation tool that has been moved to the holding position can be moved to the holding release position simply by moving the manual operation tool to the holding release direction. Since the manual operation tool may be erroneously moved from the holding position to the holding release position by accidental contact with the manual operation tool, etc. There was room for improvement.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a vehicle lifting apparatus that can prevent the receiving body from being unnecessarily swung into an allowable posture due to an erroneous operation of a manual operation tool. There is in point to do.

The vehicle lifting apparatus according to the present invention is configured such that a flat plate-like mounting body on which a wheelchair is mounted is parallel to a descending position on or near the ground and an ascending position that is the same height as the vehicle floor. Alternatively, the lifting / lowering operation means for moving up and down in a substantially parallel posture and the prevention posture and the wheelchair in front of the wheelchair are raised and swung upward to receive and prevent the wheelchair from moving outward from the boarding / alighting edge of the mounting body. A receiving body provided at the boarding / leaving edge portion of the mounting body in a state where it can swing up and down in an allowable posture in which it swings and swings outward to allow outward movement from the mounting body; A holding means that is provided in the mounting body and holds the receiving body in the blocking posture; a holding position where the holding means is in a holding action state; and a holding release position where the holding means is in a holding release state. A manual operating tool for operating the holding means provided in the above-mentioned body so as to be operable. Be those are provided, the first feature structure,
The manual operating tool is restrained from moving in the holding release direction from the holding position toward the holding releasing position, and the manual operating tool is restrained by being moved in a check releasing direction different from the holding releasing direction. Checking means to release
The manual operation tool is configured to be movable in the holding release direction and the check release direction, and the holding means is an axis along the swing axis direction of the receiving body as the receiving body swings up and down. A rotating body that rotates around a core, and is swingable about an axis along a swing axis direction of the receiving body to be engaged with and disengaged from an engaged portion formed on the rotating body, and the rotating body receives the receiving body. An engaging body that engages with the engaged portion when rotated to a phase corresponding to the blocking posture of the body, and an elastic biasing body that biases the engaging body toward the engagement side, and the manual operation The tool is attached to the engagement body in a state that it can swing in the swing axis direction of the receiving body and rotates integrally around an axis along the swing axis direction of the receiving body, and the elastic body a coil spring for the engagement of the biasing member is, the manual operating member Wherein in a state located between the rotating member, the engaging member a provided along the engaging body and the arrangement direction in which the rotating body is arranged so as to urge tension to the rotary section, the restraining means, wherein The manual operation tool is configured to include a check coil spring that pulls and biases the manual operation tool toward the holding position in the swing axis direction of the receiving body, and the check coil spring is positioned at the holding position. In such a state, it is provided so as to be in a posture along the alignment direction and to be inclined with respect to the alignment direction as the manual operation tool is operated from the holding position toward the check release direction. It is in.

That is, there is a check means for checking that the manual operation tool moves in the holding release direction from the holding position toward the holding release position and releases the check when the manual operation tool moves in a check release direction different from the holding release direction. Thus, after the manual operation tool is moved from the holding position in the check release direction to release the check by the check means, the manual operation tool can be moved in the hold release direction and operated to the hold release position. Then, by moving the manual operation tool from the holding position to the holding release position in this way, the holding means is switched from the holding action state to the holding release state, and the receiving body is swung over from the blocking posture to the allowable posture. be able to.
In other words, when moving the manual operating tool from the holding position to the holding release position, it is necessary to move the manual operating tool in the check release direction and then move to the holding release position. Even if a caregiver accidentally touches the manual operating tool, the manual operating tool is unlikely to be erroneously operated from the holding position to the holding release position. It is possible to prevent the body from being unnecessarily swung into an allowable posture.
Therefore, it has become possible to provide a vehicle lifting apparatus that can prevent the receiving body from being unnecessarily swung into an allowable posture due to an erroneous operation of the manual operation tool.
In addition, the manual operation tool is rotated by rotating the engaging portion swingable about the axis along the swing axis direction of the receiving body to the engagement side and rotating to a phase corresponding to the blocking posture of the receiving body. By engaging the engaging portion with the engaged portion of the body, the holding means can be brought into the holding action state, and the engaging portion is swung to the side opposite to the engaging side, Is released from the engaged portion of the rotating body, so that the holding means can be released. In this holding released state, the engaging body is biased to the engagement side by the elastic biasing body. Therefore, it is easy to maintain the holding action state, and the manual operating tool is swingable around the axis along the swing axis direction of the receiving body and around the axis along the horizontal direction of the mounting body. Since it can be configured to be movable by simply attaching it to the engagement body in a state of integral rotation, It is possible to provide a vehicular lifting device that can simplify the construction of the tool and thus can easily maintain the holding means in the holding action state and can simplify the configuration of the manual operating tool. It came.
In addition, the engagement coil spring is provided so as to pull and urge the engagement body toward the rotary body in a state where the coil spring for engagement is positioned between the manual operation tool and the rotary body. Since the coil spring for engagement can be provided using the space between the body, the holding means can be made compact, and therefore the lifting device for the vehicle that can make the holding means compact. It came to be able to provide.
Further, since the manual operation tool is biased to the holding position side by the check coil spring, the manual operation tool is difficult to move in the horizontal direction of the mounting body from the holding position to the check release position. Is less likely to be erroneously operated from the holding position to the check release position.
Accordingly, it is possible to provide a vehicular lifting device in which the manual operating tool is hardly misoperated from the holding position to the check release position.

  According to a second characteristic configuration of the vehicular lifting apparatus according to the present invention, in the first characteristic configuration, the lifting / lowering operation means supports the above-described mounting body so as to be slidable along the inside and outside of the vehicle and is parallel or substantially parallel. The above-mentioned receiving body is provided on the outer edge of the vehicle in the sliding movement direction of the above-mentioned mounting body, as the above-mentioned getting-on / off edge of the above-mentioned mounting body, The manual operation tool sets the mounting body slide direction along the slide movement direction of the mounting body as the holding release direction, and sets the horizontal width direction of the mounting body intersecting with the mounting body sliding direction as the check release direction. It is in the point provided with the form.

That is, the check means checks that the manual operation tool moves in the mounting body slide direction from the holding position to the holding release position, and releases the check by moving the manual operation tool in the horizontal direction of the mounting body. Since the manual operation tool is configured to be movable in the mounting body slide direction and the mounting body lateral width direction, the holding means is released and the receiving body is swung to an allowable posture. In this case, the manual operating tool is moved in the horizontal direction of the mounting body to release the restraining means, and then the manual operating tool is moved in the sliding direction of the mounting body and operated to the holding release position.
And operating the manual operation tool in the horizontal direction of the mounting body or in the sliding direction of the mounting body is not difficult for a passenger or the like who has boarded the wheelchair. Although it is necessary to operate the manual operation tool in the horizontal direction of the mounting body and the sliding direction of the mounting body to move it to the holding release position, the operation is good for wheelchair passengers and caregivers. It can be done.
In addition, when the holding means is released and the receiving body is swung to an allowable posture, it is necessary to operate the manual operation tool in the horizontal direction of the mounting body or in the sliding direction of the mounting body to move to the holding release position. In addition to avoiding erroneous operations due to erroneous contact of wheelchair passengers and caregivers, other objects such as twigs touch the manual operation tool while the mounting body is moving up and down or sliding along the inside and outside of the vehicle. Even if it happens, it can be avoided that the manual operating tool is erroneously operated to the holding release position.
Therefore, when the holding means is released and the receiving body is swung to the allowable posture, the manual operating tool can be operated satisfactorily, but the receiving body is unnecessarily swung to the allowable posture due to an erroneous operation of the manual operating tool. It came to be able to provide the raising / lowering device for vehicles which can prevent being moved.

According to a third characteristic configuration of the vehicular lifting apparatus according to the present invention, in the second characteristic configuration, the engagement body extends upward to a position on the vehicle inward side with respect to the rotating body in the placement body sliding direction. provided in a position, the manual operating member is, before described mounting body sliding direction in a state which is located above the the rotating body in a posture extending in the vehicle outer side, points are fitted et al above the engaging body It is in.

That is, the manual operation tool is attached to the upper portion of the engaging body in a state of being positioned above the rotating body in a posture extending outward of the vehicle in the mounting body slide direction. for can gather in the vehicle outward side, the mounting operation of moving the manual operating member from the vehicle outer side of the mounting body is assumed easy to perform, even I, from the vehicle outer side of the mounting body of the manual operating member leading to it is possible to provide a lifting apparatus for not easily move operation performs vehicle.

According to a fourth characteristic configuration of the vehicle lifting and lowering apparatus according to the present invention, in the second or third characteristic configuration, the manual control unit is configured such that the check unit is between the holding position and a check release position that releases the check of the check unit. A guide portion for restraining that guides the operation tool movably along the restraining release direction, and for holding release that guides the manual manipulation tool along the holding release direction between the restraining release position and the holding release position. in that it is constituted by an operating tool guide member having a guide part.

That is, since the manual operating tool is guided by the operating tool guide body provided with the check guiding portion and the holding release guiding portion, the operating tool is used when moving the manual operating tool from the holding position to the holding releasing position. By visually confirming the guide part for checking and the guide part for holding release of the guide body, the manual operation tool is moved from the holding position along the guide part for checking to move to the check releasing position, It is easy to understand that it is only necessary to move from the check release position along the holding release guide and move to the hold release position, and to operate the manual operation tool from the hold position to the hold release position. It is easy for the caregiver and caregiver to do .

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a vehicle lifting apparatus according to the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 and 2, the vehicle lifting device L is used by being mounted on the rear portion of a vehicle V such as a wagon car provided with an opening / closing door D that opens and closes a rear opening O. The vehicle lifting device L includes a base frame 7 connected and fixed on a floor surface F of a vehicle V, a flat plate-like mounting body 1 on which a wheelchair C is mounted, and the mounting body 1 described above on the ground. Elevating and lowering guide means S that supports the lowering position on or near G and the rising position of the same or substantially the same height as the floor F in a vertically or substantially parallel posture, and the base frame 7 and the elevating and lowering A hydraulic cylinder 5 is provided as a drive actuator provided between the guide means S and operates the elevation guide means S, and a hydraulic pump 6 (see FIG. 2) for supplying hydraulic oil to the hydraulic cylinder 5. ing.
Then, with the base frame 7, the raising / lowering guide means S and the hydraulic cylinder 5 as main parts, the lowering position of the mounting body 1 on or near the ground G and the rising position of the same or substantially the same height as the floor F Ascending / descending operation means for ascending / descending operation in a parallel or substantially parallel posture is configured.

Next, the vehicle elevating device L will be described in detail. For convenience, the vehicle front-rear direction of the vehicle V may be referred to as the vehicle in-out direction, and the vehicle front side may be referred to as the vehicle inward side, and the vehicle rear side may be referred to as the vehicle outer side. In the state where the front (inward) is viewed from the rear (outward), the left and right directions are specified with one side in the vehicle lateral direction as the left side and the other side as the right side.
In addition, although the left and right members have the same configuration, the left and right members have substantially the same configuration. Therefore, only one of the left and right sides will be described, and members having different configurations on the left and right will be described each time.

As shown in FIGS. 3 and 4, the base frame 7 includes a pair of front and rear base frame members 7 a in a posture along the vehicle lateral width direction, and a left and right standing frame extending over the pair of front and rear base frame members 7 a. A pair of base frame side brackets 7b is provided.
A pair of left and right rails 17 for guiding and supporting the mounting body 1 is provided on the floor surface F of the vehicle V. Each of the pair of left and right rails 17 has a rear end connected to the base frame 7. The inner side end is connected to the connecting frame 18 in a posture along the vehicle lateral width direction.

And the raising / lowering guide means S is a pair of left and right connected to the base frame 7 so as to be able to swing up and down over the storage attitude stored on the vehicle V side and the protruding attitude protruding outward of the vehicle V. A parallel quadruple link type lifting link mechanism 4, a lifting frame 2 that supports the above-described mounting body 1 slidably along the inside and outside of the vehicle and lifts it in a parallel or substantially parallel posture, and the lifting link mechanism 4. An elevating link arm 3 connected to and supporting the elevating frame 2 is provided.
The elevating link mechanism 4 includes an upper link member 9 and a lower link member 10, and a base end portion of the upper link member 9 is pivotally connected to the base frame side bracket 7 b via the first pin 11. The distal end portion of the upper link mechanism 9 is pivotally connected to the arm side bracket 3a via the third pin 14, and the base end portion of the lower link member 10 is connected to the base frame side bracket via the second pin 12. The lower link member 10 is pivotally connected to the arm side bracket 3a via the fourth pin 15 in a pivotal manner.
The arm side bracket 3 a is provided at the upper end portion of the elevating link arm 3. The elevating link mechanism 4 is covered with a link cover 8.

The hydraulic cylinder 5 is configured as a reciprocating cylinder, the cylinder body side is pivotally connected to the base frame side bracket 7b of the base frame 7 via the second pin 12, and the rod side is the third pin. 14 is pivotally connected to the lift link arm 3 of the lift link mechanism 4 via 14.
Then, as shown in FIG. 14 (a), by shortening the hydraulic cylinder 5, the posture of the elevating link mechanism 4 is changed to a protruding posture that protrudes outward of the vehicle V, so that the mounting body 1 is on the ground G or As shown in FIGS. 14 (b) and 14 (c), the hydraulic cylinder 5 is extended so that the elevating link mechanism 4 is stored in the vehicle V side. The posture is changed, and the placement first moves upward to an upper position on the floor surface F.

As shown in FIGS. 5 to 7, the elevating frame 2 is formed in a U-shape with side walls erected at both ends in the lateral direction of the vehicle and opened upward in a vehicle longitudinal direction view. The lower end portion of the lift link arm 3 is connected to the upper end portion of the side wall portion.
And on the left side wall of the lifting frame 2, a pair of front and rear sliding idle rollers that rotate around the horizontal axis on the inner surface (the surface facing the side where the center of the mounting body 1 is positioned in the vehicle lateral width direction). 25 and a sliding electric motor 27 having a pinion 26 that rotates around the horizontal axis, and a pair of front and rear slides that rotate around the horizontal axis on the inner surface of the wall surface on the right side of the lifting frame 2. An idle roller 25 is provided.
In addition, a pair of front and rear guide idle rollers 28 that rotate about the vertical axis are arranged on the bottom wall of the elevating frame 2 in a state of being arranged in two rows in the vehicle lateral width direction.
In addition, the attachment part of the raising / lowering link arm 3 and the support frame 2 is covered with the cover 13 for support frames.

As shown in FIGS. 6 and 7, the mounting body 1 is located above the mounting surface 31 a at the end of the mounting body lateral direction (vehicle lateral direction) that intersects the sliding movement direction (vehicle longitudinal direction). It is configured to include a long protruding portion 32 that protrudes along the slide movement direction and a floor forming portion 31 that forms a placement surface 31a.
And the protrusion part 32 is provided in the both ends of the vehicle horizontal width direction of the mounting body 1, and each of the left-right paired protrusion part 32 protrudes upwards from the mounting surface 31a, and is long along a slide moving direction. A rail portion 33 and a rail cover 34 that covers the rail portion 33 are provided.

The right rail portion 33 is provided with an outer upper end portion 33a that protrudes outward in the lateral direction of the vehicle at an upper end portion in the vertical direction, and has the same height as the mounting surface 31a described above, which is an intermediate portion in the vertical direction. Is provided with an outer intermediate portion 33b that protrudes outward in the lateral direction of the vehicle.
Further, in addition to the outer side upper end portion 33a and the outer side intermediate portion 33b, the left rail portion 33 has a vehicle lateral width direction at a location that is the same height as the placement surface 31a, which is an intermediate location in the vertical direction. An inward intermediate portion 33c that protrudes inward is provided.
A pair of front and rear sliding rolling rollers 25 projecting from the left side wall portion of the elevating frame 2 in a space between the outer side upper end portion 33a and the outer side intermediate portion 33b of the left rail portion 33. Is inserted in the space between the outer upper end portion 33a and the outer intermediate portion 33b of the right rail portion 33 and protrudes from the right side wall portion of the elevating frame 2 in a pair of front and rear slides. A rolling roller 25 is fitted therein, and the mounting body 1 is guided and supported by four sliding idler rollers 25 so as to be slidable in the vehicle longitudinal direction with respect to the lifting frame 2. In addition, a pair of front and rear guide idler rollers 28 are respectively formed in a space formed below the outer intermediate portion 33b in the left rail portion 33 and a space formed below the inner intermediate portion 33c. Is configured to be prevented from rolling to the lifting frame 2 by the four guide idler rollers 28.

A rack 35 that meshes with the pinion 26 is provided on the lower surface of the outer intermediate portion 33b of the left rail portion 33 in a state along the vehicle front-rear direction, and the outer side of each of the pair of left and right rail portions 33. A rail idler roller 30 that rotates about the horizontal axis is provided on the outer surface of the portion below the intermediate portion (the surface facing the side opposite to the side where the center of the mounting body 1 is positioned in the vehicle lateral width direction). It has been.
Then, in the state where the mounting body 1 is moved up to the ascending position, the mounting body 1 is moved in the vehicle V as shown in FIG. Is moved in the vehicle front-rear direction with respect to the lifting frame 2 over the storage position and the protruding position protruding outward from the vehicle V as shown in FIG. The rail idler roller 30 is configured to roll on a pair of left and right rails 17 provided on the floor surface F of the vehicle V when the body 1 slides between the retracted position and the protruding position. ing.

As shown in FIGS. 6 and 7, the right rail cover 34 is formed in a shape along the outer shape of the right rail portion 33 so as to cover a portion of the right rail portion 33 located above the placement surface 31 a. It is configured.
In addition, the left rail cover 34 is formed in a shape that follows the outer shape of the left rail portion 33 at the upper side of the outer upper end portion 33a and the outer side in the lateral direction of the vehicle in the left rail portion 33. A portion located on the inner side in the lateral direction of the vehicle from the upper end portion 33a on the outer side is formed in a shape bulging inward in the lateral direction of the vehicle from the left rail portion 33, and placed on the left rail portion 33. It is comprised so that the part located above the surface 31a may be covered.
That is, the left rail portion 33 is covered with the left rail cover 34 so that a space is formed above the inner intermediate portion 33c.

As shown in FIG. 5, the edge of the lifting frame 2 on the vehicle inner side (edge for getting on and off) receives the wheelchair C moving forward from the vehicle inner edge of the mounting body 1. In a state in which the swinging posture is freely swingable between a blocking posture standing up and swinging upward to prevent it and an allowable posture swinging and swinging forward to allow the wheelchair C to move forward from the mounting body 1. A flat plate-shaped front receiving body 37 is provided.
The front receiving body 37 is pivotally attached to the edge of the lifting frame 2 on the vehicle inner side so that the base end can swing freely.
Then, as shown in FIG. 14, the mounting body 1 is switched to the storage position that is substantially horizontal as the mounting body 1 slides to the storage position, and is substantially vertical as the mounting body 1 slides to the protruding position. The mounting body 1 is configured to be switched between an allowable posture and a standing posture as the mounting body 1 slides in the vehicle front-rear direction with respect to the lifting frame 2 so as to be switched to the standing posture.

Further, an upper edge of the mounting body 1 on the vehicle outer side (edge for getting on and off) is located above the wheelchair C so as to catch and prevent the wheelchair C from moving rearward from the outer edge of the mounting body 1. The blocking posture (see FIG. 14 (b)) that is swung to the side and the allowable posture that is swung back and forth to allow the wheelchair C to move backward from the mounting body 1 (FIG. 14 (a)). And a flat rear receiving body 38 as a receiving body in a state where it can be swung up and down in a retracted posture in which it is tilted and swung forward.
The rear receiving body 38 includes a support bracket 41 in which a pair of left and right rotating shafts 40 provided at the base end portion so as to protrude outward in the lateral direction of the vehicle are connected and fixed to the rear end portions of the rail portion 33. By pivotally connecting to the support shaft portion 41a, the mounting body 1 is pivotally attached to the edge portion of the mounting body 1 on the vehicle outer side.
And the holding means 43 that is provided in the mounting body 1 and holds the rear receiving body 38 in the blocking posture, the holding position where the holding means 43 is in the holding action state (see FIG. 13A), and the A manual operating tool 39 for operating the holding means provided in the above-described mounting body 1 is provided so as to be movable to a holding release position (see FIG. 13C) where the holding means 43 is in a holding release state. When the manual operating tool 39 is moved to the holding position and the holding means 43 is switched to the holding action state, the rear receiving body 38 is held in the blocking posture by the holding means 43 and the manual operating tool 39 is held. When the holding means 43 is moved to the release position and the holding means 43 is switched to the holding release state, the rear receiving body 38 is released from being held in the blocking posture by the holding means 43, and this holding is released. Is configured rear receiving member 38 prevents posture manually, so as to be able to position change in the attitude of the allowable position and storage position.

As shown in FIGS. 8 to 12, the manual operation tool 39 is restrained from moving in the holding release direction from the holding position toward the holding release position, and the manual operation tool 39 is different from the holding release direction. Checking means 42 for releasing the check by being moved in the check release direction is provided.
The manual operation tool 39 sets the mounting body slide direction (front direction along the vehicle longitudinal direction) along the slide movement direction of the mounting body 1 as the holding release direction, and intersects the mounting body slide direction. The mounting body lateral width direction (inward direction of the vehicle lateral width direction) is provided in the form of the check release direction, and is configured to be movable in the holding release direction and the check release direction.

The holding means 43 includes a rotating body 71 that rotates around the axis along the horizontal direction of the mounting body according to the swinging movement of the rear receiving body 38, and an engaged portion 71a formed on the rotating body 71. In order to engage / disengage, when the rotating body 71 rotates to the phase corresponding to the blocking posture of the rear receiving body 38 and can be swung around the axis X along the horizontal direction of the mounting body, The engaging body 72 includes an engaging body 72 that engages with the portion 71a, and an engaging coil spring 73 that serves as an elastic biasing body that biases the engaging body 72 toward the engaging side.
The engagement coil spring 73 is extended over the engagement body 72 and the support bracket 41, and rotates the engagement body 72 in a state of being positioned between the manual operation tool 39 and the rotation body 71. It is provided so as to be pulled and biased toward the body 71 side.

The rotating body 71 is provided integrally with the left rotating shaft 40 of the rear receiving body 38. As the rear receiving body 38 swings up and down and the rotating shaft 40 rotates, It is provided so as to rotate around the axis along the horizontal direction of the mounting body.
Further, the engaging body 72 is provided in a posture extending upward at a position on the inner side of the vehicle with respect to the rotating body 71 in the mounting body sliding direction. When the description is added, the lower part of the engaging body 72 is pivotally supported at a position located on the front side and the lower side with respect to the position where the rotation shaft 40 on the left side of the rear receiving body 38 in the left support bracket 41 is pivotally supported. Yes.
A claw portion 72a that engages with the engaged portion 71a is provided in the upper and lower intermediate portion of the engaging body 72 so as to protrude rearward, and the rotating body 71 is the blocking member of the rear receiving body 38. The engagement body 72 is provided so as to protrude rearward at the upper and lower intermediate portions of the engagement body 72 by swinging the engagement body 72 rearward around the axis X along the horizontal width direction of the mounting body while being rotated to a phase corresponding to the posture. The claw portion 72a thus engaged is engaged with the engaged portion 71a of the rotating body 71, and the engaging body 72 is swung forward about the axis X along the horizontal direction of the mounting body. The rotor 71 is configured to be disengaged from the engaged portion 71a.

The manual operation tool 39 is attached to the engagement body 72 in a state that it can swing in the horizontal direction of the mounting body and in a state that it rotates integrally around the axis X along the horizontal direction of the mounting body. Further, the manual operation tool 39 is attached to the upper portion of the engaging body 72 in a state in which the manual operating tool 39 is positioned above the rotating body 71 in a posture extending outward from the vehicle in the mounting body sliding direction.
That is, the manual operation tool 39 is attached to the upper portion of the engaging body 72 in the inward direction of the mounting body, and the manual operation tool 39 is attached to the engaging body 72 in the longitudinal direction of the engaging body 72. It is mounted so as to be swingable around the axis Y along the axis and not swingable around the axis X along the horizontal direction of the mounting body. By manually moving the manual operating tool 39 in the sliding direction of the mounting body, The operating tool 39 and the engaging body 72 can be integrally swung around the axis X along the horizontal direction of the mounting body, and the manual operating tool 39 is moved and operated in the horizontal direction of the mounting body. Only the operation tool 39 can be swung around the axis Y along the longitudinal direction of the engagement body 72.
And the manual operation tool 39 is comprised including the part extended upwards in the outer part of the slide direction of the mounting body, and the operation part 39a is provided in the upper end part of the part.

  Incidentally, the support bracket 41 and the holding means 71 are provided in the left projecting portion 32 in a state extending between a space formed below the inner intermediate portion 33c and a space formed above. The tool 39 is provided so that the operation part 39 a is located outside the protrusion part 32 by protruding from the left protrusion part 32.

  The check means 42 is capable of moving the manual operation tool 39 in the horizontal direction of the mounting body between the holding position and a check release position for releasing the check of the check means (see FIG. 13B). An operation tool provided with a guide part 76 for guiding to be guided and a guide part 77 for holding release for guiding the manual operating tool 39 along the slide direction of the body between the restraining release position and the holding release position. A guide body 74 and a check coil spring 75 as a check elastic biasing body for biasing the manual operating tool 39 toward the holding position in the horizontal direction of the placement body are provided.

The operation tool guide body 74 is configured by the left rail cover 34 (projecting portion 32), and the left rail cover 34 is provided with a check guide portion 76 and a holding release guide portion 77.
That is, the left rail cover 34 is formed with a lateral width direction guide hole 34a formed along the mounting body lateral width direction and a slide direction guide hole 34b formed along the mounting body slide direction. The peripheral edge forming the lateral width direction guide hole 34 a in the left rail cover 34 corresponds to the restraint guide portion 76, and the peripheral edge portion forming the slide direction guide hole 34 b corresponds to the holding release guide portion 77.
In addition, the left rail cover 34 is connected to the inner side end in the vehicle width direction of the width direction guide hole 34a and the rear side end of the slide direction guide hole 34b in the vehicle front-rear direction. The manual operation tool 39 positioned in the guide 34 is guided in the lateral direction of the mounting body by the guide part 76 for checking, and the manual operation tool 39 positioned in the slide direction guide hole 34b is mounted by the guide part 77 for holding release. Guided in the body sliding direction, the manual operation tool 39 is positioned at the lateral lateral end holding position of the lateral lateral direction guide hole 34a and the lateral lateral end of the lateral lateral direction guide hole 34a. The sliding release guide hole 34b is configured to be operated to move to a restraint release position at the rear side end in the vehicle front-rear direction and a holding release position at the front side end in the vehicle front-rear direction of the slide direction guide hole 34b.

By forming the lateral width direction guide hole 34a and the slide direction guide hole 34b as described above, the left rail cover 34 is positioned on the front side in the vehicle front-rear direction with respect to the lateral width direction guide hole 34a and from the slide direction guide hole 34b. A check portion 78 for checking that the manual operation tool 39 moves in the holding release direction from the holding position to the holding release position is formed in a portion located on the outer side in the vehicle lateral width direction. Movement in the vehicle front-rear direction from the holding position to the holding release position is stopped by the checking portion 78 because the checking portion 78 is positioned on the movement path to the holding releasing position, and the manual operating tool 39 is moved from the holding position to the checking release position. Since the check portion 78 is removed from the movement path to the holding release position, the check by the check portion 78 is released.
Incidentally, the movement of the manual operation tool 39 in the vehicle front-rear direction from the holding release position to the holding position is also suppressed by the checking part 78 because the checking part 78 is located on the movement path to the holding position.

On the left rail cover 34, it is difficult for an operator who operates the manual operation tool 39 to come into contact with a peripheral edge portion that forms the lateral width direction guide hole 34 a and the slide direction guide hole 34 b in the metal left rail cover 34. A resin protective body 79 having insertion holes corresponding to the lateral width direction guide holes 34a and the slide direction guide holes 34 formed in the rail cover 34 is provided.
Further, the upper end portion of the support bracket 41 is formed in an inward direction where the manual operation tool 39 in the vehicle width direction is located, and the shape of the tip edge portion of the support bracket 41 is the vehicle width direction in the peripheral portion of the left rail cover 34. The left side rail cover 34 is unlikely to be damaged by assisting the guide of the manual operation tool 39 by receiving the operated manual operation tool 39 with the support bracket 41. It is configured.
Further, as the manual operating tool 39 is moved to the holding release position, the lateral width direction guide hole 34a is blocked from below to prevent foreign substances such as dust from entering the protruding portion 32, and the manual operating tool 39 is An approach preventing plate 80 that interlocks with the manual operation tool 39 is provided so as to retreat from the lower side of the lateral width direction guide hole 34a as the vehicle is moved in the front-rear direction from the holding position to the check release position.
The intrusion prevention plate 80 is provided at the rear portion of the manual operation tool 39 in the vehicle front-rear direction so as to protrude rearward.

  The mounting body 1 is irradiated with a seat belt device 52 for holding a passenger seated in the wheelchair C on the wheelchair C, a handrail 46 held by the passenger seated in the wheelchair C, and the above-described mounting body 1. A lighting device 51 and a fixing device 56 for fixing the wheelchair to the mounting body are provided.

  As shown in FIG. 1, a pendant type operation tool 68 is provided as command means for commanding the upward movement and the downward movement of the mounting body 1, and the pendant type operating tool 68 is used to lower the mounting body 1. A lowering button 68a for instructing movement and a rising button 68b for instructing upward movement of the mounting body 1 are provided, and command information is output as each button is pressed. .

As shown in FIG. 15, the control device H detects detection information from the lift position detecting means 21 that detects the height of the mounting body 1 with respect to the vehicle V, and a slide that detects the slide position of the mounting body 1 with respect to the lifting frame 2. The detection information from the position detection means 22 and the command information of the pendant type operation tool 68 are input, and the operation of the hydraulic cylinder 5 and the slide electric motor 27 is controlled based on these information. Incidentally, a pump electric motor 20 is linked to the hydraulic pump 6 that supplies hydraulic oil to the hydraulic cylinder 5, and the control device H controls the operation of the hydraulic cylinder 5 by controlling the operation of the pump electric motor 20. Is configured to control.
The control device H is provided together with the hydraulic pump 6 in a control device case 69 provided on the left side in the vehicle lateral direction with respect to the pair of left and right lifting guide means S in the vehicle V.

  Then, in the control device H, the ascending button 68b of the pendant type operation tool 68 is pushed and operated in a state where the mounting body 1 is located at the lowered position and at the protruding position as shown in FIG. 14 (b), the mounting body 1 is moved upward from the lowered position to the raised position, and then the mounting body 1 is slid from the protruding position to the storage position, and FIG. 14 (c). When the lowering button 68a of the pendant type operation tool 68 is pushed with the mounting body 1 as shown in FIG. 14 in the raised position and in the retracted position, as shown in FIG. After the mounting body 1 is slid from the retracted position to the protruding position, the operations of the hydraulic cylinder 5 and the sliding electric motor 27 are controlled so that the mounting body 1 is moved downward from the raised position to the lowered position. It is configured.

[Another embodiment]
( 1 ) In the above embodiment, the elevating operation means is configured to include the elevating frame 2 that supports the mounting body 1 so as to be slidable along the inside and outside of the vehicle and elevates it in a parallel or substantially parallel posture. The body 1 is slidably movable in and out of the vehicle, but the raising / lowering operation means is in a standing posture in which the mounting body 1 is erected and oscillated upward and in a horizontal direction by oscillating and oscillating in the outer direction of the vehicle. It may be configured to include a support frame that supports the posture in such a manner that the posture can be freely changed, and the lifting body 1 may be configured to be swingable around the axis along the horizontal direction of the mounting body.

Perspective view of vehicle lifting device Plan view of the vehicle lifting device Perspective view showing base frame and lifting link mechanism Plan view showing the base frame Exploded perspective view showing the mounting body Cross-sectional rear view showing the mounting body Cross-sectional rear view showing the mounting body A perspective view showing a rear end portion of the left rail portion Vertical rear view showing the rear end of the left rail Longitudinal side view showing the rear end of the left rail Longitudinal side view showing manual operation tool Cross-sectional plan view showing manual operation tool Cross-sectional plan view showing each operation position of manual operation tool Side view showing movement of lifting device for vehicle Control block diagram

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mounting body 2 Lifting frame 34 Operating tool guide body 38 Receiving body 39 Manual operating tool 42 Checking means 43 Holding means 71 Rotating body 71a Engagement body 72 Engaging body 73 Coil spring (elastic biasing body)
75 Elastic biasing body for check C Wheelchair F Floor G Ground S Lifting guide

Claims (4)

Elevating operation for elevating and lowering a flat mounting body on which a wheelchair is mounted in a parallel or substantially parallel posture to a descending position on or near the ground and an ascending position that is the same height as or substantially the same as the floor of the vehicle Means,
The wheelchair is allowed to move outward from the above-mentioned body and the blocking posture that is raised and swung upward to receive and prevent the wheelchair from moving outward from the boarding / alighting edge of the body. A receiving body provided at the boarding / alighting edge of the above-mentioned mounting body in a freely swingable manner in an upright swinging posture that is allowed to fall and swing outward as much as possible,
A holding means provided in the mounting body for holding the receiving body in the blocking posture;
There is provided a manual operation tool for operating the holding means provided in the above-mentioned body so as to be movable between a holding position where the holding means is in a holding action state and a holding release position where the holding means is in a holding release state. A vehicle lifting device,
The manual operating tool is restrained from moving in the holding release direction from the holding position toward the holding releasing position, and the manual operating tool is restrained by being moved in a check releasing direction different from the holding releasing direction. Checking means to release
The manual operation tool is configured to be movable in the holding release direction and the check release direction,
The holding means is engaged with and disengaged from a rotating body rotating around an axis along the swing axis direction of the receiving body and an engaged portion formed on the rotating body as the receiving body swings up and down. Therefore, when the rotating body rotates to a phase corresponding to the blocking posture of the receiving body, the engaging portion engages with the engaged portion. An engaging body and an elastic biasing body that biases the engaging body toward the engagement side;
The manual operation tool is attached to the engagement body in a state of being swingable in the swing axis direction of the receiving body and being integrally rotated around an axis along the swing axis direction of the receiving body. ,
With the engagement coil spring as the elastic urging body positioned between the manual operation tool and the rotating body, the engaging body and the rotating body are pulled so as to urge the engaging body toward the rotating body. Provided along the direction in which the body is lined up,
The restraining means comprises a restraining coil spring that pulls and biases the manual operation tool toward the holding position in the swing axis direction of the receiving body,
When the manual operation tool is positioned in the holding position, the check coil spring assumes a posture along the alignment direction, and the manual operation tool is operated from the holding position toward the check release direction. A vehicle elevating device provided so as to be inclined with respect to the arrangement direction . The elevating operation means is configured to include an elevating frame that supports the above-described body so as to be slidable along the inside and outside of the vehicle and raises and lowers in a parallel or substantially parallel posture.
As the boarding / alighting edge of the mounting body, the receiving body is equipped with an edge on the vehicle outer side in the sliding movement direction of the mounting body,
The manual operating tool has the mounting body slide direction along the slide movement direction of the mounting body as the holding release direction, and the horizontal width direction intersecting the mounting body sliding direction is the check release direction. The vehicle elevating device according to claim 1, wherein the vehicle elevating device is provided. The engaging body is provided in a posture extending upward at a position on the vehicle inward side of the rotating body in the mounting body sliding direction.
3. The vehicle according to claim 2, wherein the manual operating tool is attached to an upper portion of the engaging body in a state of being positioned above the rotating body in a posture extending outward of the vehicle in the mounting body sliding direction. lift device. A check guide portion for guiding the manual operation tool movably along the check release direction between the holding position and a check release position for releasing the check of the check means, and the check release position. and said manual operating member of claim 2 or 3 wherein is constituted by an operating tool guide body provided with a holding release guiding portions for guiding along the holding release direction between the holding release position Elevating device for vehicles.

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