JP6875610B2 - Evacuation device - Google Patents

Description

The present disclosure relates to evacuation devices.

As an evacuation device provided on the evacuation platform with a handrail capable of shifting from a lying posture to an standing posture, the one described in Japanese Patent Application Laid-Open No. 2010-51473 is known. In this conventional example, in order to use the evacuation device, it is necessary to first open the lid and then shift the handrail to the upright posture, which is troublesome.

The present disclosure has been made to eliminate the above drawbacks, and an object of the present disclosure is to provide an evacuation device having good usability.

According to the present disclosure, the above object is
An elevating platform that descends from the standby position held on the upper floor to the lower floor,
A lid that hides the upper surface of the elevator in the standby position,
A handrail that is urged to the standing posture side from the lying posture to the standing posture and is rotatably connected to the handrail bracket fixed on the lift, and is held in the lying posture by the lid.
This is achieved by providing an evacuation device having a handrail lock body that regulates the movement of the handrail to the prone position as the handrail shifts to the upright posture in the open state of the lid.

The handrail is urged in the upright position and is held in the prone position by the lid. When the lid is opened from this state, the handrail shifts to the standing posture by the urging force, and the handrail lock body regulates the movement to the lying posture as the handrail shifts to the standing posture, and the standing posture is maintained. ..

Therefore, in the present disclosure, since the handrail shifts to the standing posture in which the handrail is in use only by opening the lid, it is not necessary to separately perform the standing operation of the handrail, and the usability is improved.

In addition, as another aspect of the present disclosure,
The handrail lock body can be moved by being urged toward the lock position side between the lock position that regulates the movement of the handrail in the standing position to the lying position and the lock shelter position that allows the handrail to move to the lying position. Formed in
The handrail bracket is provided with a lock operation member that can move between the initial position and the operating position and drives the handrail lock body from the lock position to the lock relief position according to the movement operation from the initial position to the operating position.
The lock operating member can form an evacuation device that restrains the handrail lock body to the lock shelter position against the urging force at the operating position.

In the present disclosure, the handrail lock body can move between a lock position that interferes with the movement locus of the handrail when moving between an upright posture and a lying posture, and a lock shelter position where the interference is eliminated. The movement of the handrail in the standing position to the lying position is restricted, and the movement of the handrail to the lying position is permitted by moving to the lock shelter position.

The lock operating member can be moved between the initial position and the operating position, and the handrail lock body is moved from the standing posture to the lying posture by moving the handrail lock body to the lock retaining position as the movement operation from the initial position to the operating position is performed. Can be moved to.

The lock operating member can be held in the operating position by an appropriate means, and in this state, the handrail lock body is held in the lock retaining position, and the handrail is allowed to fall down.

Therefore, in this embodiment, if the lid is closed while the lock operating member is moved to the operating position, the handrail can be laid down due to the closing of the lid. There is no need to close the lid, improving usability.

After the handrail shifts to the prone position, the lock operating member can be returned to the initial position by performing an operation to release the restraint on the operating position.
The lock operation member is easy to use because it can be moved to the initial position without performing a restraint release operation by configuring an evacuation device that is driven to the initial position when the handrail is moved to the prone position. improves.

Further, although the lock operating member can be configured to move in translation between the initial position and the operating position,
The lock operating member is rotatable between the initial position and the operating position, and pushes the handrail lock body into the lock retaining position as it rotates toward the operating position side.
When the handrail lock body in the lock shelter position presses the lock operating member against the end of the rotary stroke on the operating position side, and the lock operating member constitutes an evacuation device for holding the handrail lock body in the lock shelter position, the structure is simplified. can do.

Further, as another aspect of the present disclosure,
The handrail lock body has a lock position that regulates the movement of the handrail in the standing posture to the lying posture and a temporary holding position that allows the handrail to move to the lying posture and is discharged as the handrail moves to the lying posture. It can be moved by being urged to the lock position side between and
The handrail bracket can be configured with an evacuation device provided with a stopper wall for holding the handrail lock body in the temporary holding position against the urging force toward the lock position side.

In this embodiment, when the handrail lock body is held in the temporary holding position when the handrail is in the upright posture and the handrail is laid down from this state, the handrail lock body is pushed out from the temporary holding position by the handrail and is moved to the lock position side. It returns to the locked position by the urging force. Since the handrail lock body at the lock position does not restrict the movement of the handrail to the lying posture side when the handrail is released from the standing posture, the subsequent lodging operation to the handrail is permitted.

Therefore, in this embodiment, once the lid is closed while the handrail lock body is temporarily held in the temporary holding position, the handrail can be laid down due to the closing of the lid. Furthermore, it is not necessary to close the lid, which improves usability.

Further, the temporary holding position can be configured so that the handrail lock body is separated from the lock position and is arranged at a position where the handrail lock body enters the transition path of the handrail via a non-interference path with the handrail in the standing posture.

in this case,
If an evacuation device is configured such that the temporary holding position is formed by cutting out a recess in which the lock body can be fitted in the non-interference path, the wall surface facing the lock position of the recess becomes a stopper wall, so that the structure can be simplified. It becomes possible to do.

Also,
The handrail lock body includes an evacuation device in which a first tension member whose one end is connected to the center of rotation of the handrail and a second tension member that urges the handrail lock body in the temporary holding position toward the lock position are connected. When configured, the handrail lock body can be held in the lock position and the temporary holding position with a simple configuration.

further,
The handrails are formed in a U shape and are connected to the handrail brackets at the free ends, and the handrail lock body is formed in a rod shape erected between the handrail brackets to form an evacuation device that can be operated at the same time. Since the rod-shaped handrail lock body erected between the brackets can be pushed in and moved to the temporary holding position, operability is improved.

According to the present disclosure, the usability of the evacuation device can be improved.

It is a figure which shows the evacuation device by this disclosure. It is a figure which shows the state which the lid is open. It is sectional drawing of the figure which shows the modification of the case. It is the 3B part enlarged view of FIG. 3A. It is a top view of a lift. It is an enlarged view of part 5A of FIG. It is a perspective view which shows the state which the wheelchair is put on the lifting table. It is an enlarged view of the main part of FIG. It is a figure which shows the main part of the handrail of a lying posture. It is a figure which shows the operation of a handrail and shows immediately after the start of the transition to a standing posture. It is a figure which shows the operation of a handrail and shows just before the end of the transition operation to a standing posture. It is a figure which shows the operation of a handrail and shows the standing posture. It is a figure which shows the operation of the handrail and shows the temporary holding posture. It is a figure which shows the deformation example of a handrail, and shows just after the start of transition to the standing posture. It is a figure which shows the deformation example of a handrail and shows the temporary holding posture. It is a figure which shows the deformation example of a handrail and shows the standing posture. It is a perspective view which shows the lock operation part. It is a front view of the lock operation part. It is a rear view of the lock operation part. It is a figure which shows the slope body in a set state. It is a figure which shows the slope body in the suspended state. It is a side view of the flap in a locked state. It is a link configuration diagram of the flap in the locked state. It is a figure which shows the operation of a flap and shows the landing state. It is a figure which shows the operation of a flap, and shows just before the elevating table reaches a standby position. It is a perspective view of the protrusion formation part of the modified example of a slope body. It is a figure which shows the set state of the modified example of a slope body. It is a figure which shows the operation of the slope body of FIG. 17 and shows the suspended state. It is a figure which shows the operation of the slope body of FIG. 17 and shows the state just before the transition to the set state. It is a perspective view which shows the conversion part. It is a figure which shows the operation of a hook member and shows the locked state. It is a figure which shows the operation of a hook member, and shows just after the lock state is released. It is a figure which shows the operation of the hook member, and shows the unlocked state. It is a figure which shows the operation of a hook member, is unlocked, and shows the state which the raising and lowering platform move. It is a perspective view which shows the other embodiment of the elevating table holding mechanism. It is a figure which shows the operation of the hook member of another embodiment, and shows the locked state. It is a figure which shows the operation of the hook member of another embodiment, and shows just after the lock state is released. It is a figure which shows the operation of the hook member of FIG. 22, and shows the state which the hook auxiliary member came into contact with the locked part by raising an elevating table. It is a figure which shows the operation of the hook member of FIG. 22, and shows the state just before the elevating table is further raised and the interference protrusion part comes into contact with the locked part. The operation of the conversion unit is shown, and it is the 24A direction arrow view of FIG. It is a cross-sectional view of 24B-24B of FIG. 24A. It is a figure which shows the operation of the conversion part, and shows the state which the release lever is rotationally driven. It is a figure which shows the operation of the conversion part, and shows the state which the operation force to the lock operation part is released. It is a plan view which shows the other embodiment of this disclosure, and is the figure which corresponds to FIG. It is the 27A part enlarged view of FIG. It corresponds to FIG. 20 which shows the operation of the hook member, and is the figure which shows the locked state. It corresponds to FIG. 20 which shows the operation of the hook member, and is the figure which shows immediately after the lock state was released. It corresponds to FIG. 20 which shows the operation of the hook member, and is the figure which shows the unlocked state. It corresponds to FIG. 20 which shows the operation of the hook member, and is the figure which shows the state which is unlocked, and the lift is moving. It is a perspective view which shows the elevating table holding mechanism. It is a figure which shows the operation state of a lock member, and shows the state which does not operate a lock operation part. It is a figure which shows the operation state of the lock member, and shows the state which operated the lock operation part. It is a perspective view which shows the lower end part of a handrail. It is a side surface showing a handrail in an upright posture. It is sectional drawing which shows the operation of a handrail, and is the figure which shows the lying posture. It is sectional drawing which shows the operation of a handrail, and is the figure which shows the transition from the lying posture to the standing posture. It is sectional drawing which shows the operation of a handrail, and is the figure which shows the standing posture. It is sectional drawing which shows the operation of a handrail, and is the figure which shows the state which operated the lock operation member to the operation position side. It is sectional drawing which shows the operation of a handrail, and is the figure which shows the state which the lock operation member was rotated to the operation position. It is sectional drawing which shows the operation of the handrail, and is the figure which shows the state which the handrail is rotated to the lying posture side.

As shown in FIG. 1 and below, the evacuation device includes a case 2a that is fitted and fixed to an opening opened in the floor 1 on the upper floor side to form an evacuation opening 2, and a lid for closing the evacuation opening 2. It has a body 5, a guide support 14 which is erected on the floor surface 3 of the lower floor and whose upper end is fixed to the evacuation opening 2, and an evacuation platform 4.

As shown in FIG. 1, the evacuation platform 4 has a standby position held in the evacuation opening 2 and an evacuation position where the evacuation platform 4 descends from this standby position along the guide column 14 and lands on the lower floor surface 3. It is driven up and down between.

The guide column 14 is a hollow pipe body having an appropriate buckling strength, and is formed by, for example, extruding aluminum. The lower end of the guide support 14 is fixed to the floor slab on the lower floor, and the upper end is fixed to the case 2a.

Further, a rack groove 14a is formed on one side wall surface of the guide column 14. As shown in FIG. 1, the rack groove 14a is formed by forming recesses 14b at a predetermined pitch in a high-strength plate material such as stainless steel, and is formed over substantially the entire length of the guide column 14.

Further, in this case, as shown in FIGS. 3A and 3B, when the recess 2b is formed at the lower end of the peripheral edge of the case 2a, the lower lid and the lower case 2a when the elevating table 4 rises from the retracted position and reaches the standby position. It is possible to prevent the generation of collision noise with the edge.

Further, as shown in FIGS. 4 and 5, a weight 15 suspended by a wire (not shown) is housed in the hollow portion of the guide support column 14, and after the elevating platform 4 reaches the lower floor, the user When the vehicle gets off the platform 4, the platform 4 returns to the standby position due to the weight of the weight 15.

As shown in FIG. 6, the lift 4 is formed so as to have a sufficient size and a load capacity so that a user of the wheelchair 16 can ride on the wheelchair 16, and the wheelchair 16 is shown in FIGS. You can board the wheelchair-mounted area 4a in the center from the rear edge on the left side. An auxiliary space 4b for a caregiver is formed diagonally behind the wheelchair mounting area 4a.

In the present specification, the traveling direction of the wheelchair 16 (right side in FIG. 4) is referred to as “forward”, the boarding side is referred to as “rear”, and the vertical direction is referred to as “lateral” in the figure.

As shown in FIGS. 4 and 5, support column insertion openings 4c through which the guide columns 14 are inserted are provided on each side of the elevating table 4, and the elevating table 4 is provided before and after the support column insertion openings 4c are sandwiched. A slow descent device 17 for reducing the descent speed is installed. A pinion 17b that meshes with the recess 14b of the guide support column 14 is fixed to the rotating shaft 17a of the slow-down device 17, and the speed of descent of the lifting platform 4 is reduced by decelerating the rotation speed of the pinion 17b by the slow-down device 17. Is reduced.

Further, the elevating table 4 is provided with a roller 18 that comes into contact with the front-rear wall surface of the guide column 14 and the outer side wall surface, and wobbling or the like during ascending / descending is regulated.

Further, a handrail 7 is arranged at the front edge of the lift 4. The handrail 7 is formed by bending a pipe body, and has a horizontal rod 7a and a vertical rod 7b extending in a direction perpendicular to both ends of the horizontal rod 7a, and is formed in a U shape. The handrail 7 is mounted on the elevating table 4 by rotatably connecting the free ends of the vertical rods 7b to the handrail bracket 6 fixed to the elevating table 4.

As shown in FIG. 1, the handrail 7 can rotate and move between a lying posture along the surface of the lift 4 and an standing posture in which the horizontal rod 7a is pulled upward as shown in FIG. it can. The handrail 7 is urged to the standing posture side, maintains the lying posture by closing the lid body 5, and automatically shifts to the standing posture with the opening operation of the lid body 5.

7 and 8 show the details of the handrail 7. As shown in FIG. 8, each vertical rod 7b of the handrail 7 is connected to the handrail bracket 6 at a position slightly above the lower end in order to make the free end portion of the lower end function as a lock operation piece 7c, and is in an upright posture by a torsion spring 7d. The side, i.e., the clockwise urging force in FIG. 8 is given.

As shown in FIG. 8, the handrail bracket 6 is formed with an elongated hole-shaped moving passage 19 that connects the lock position, the unlock position, and the temporary holding position, which will be described later, and is bridged between the handrail brackets 6. Both ends of the rod-shaped handrail lock body 8 are inserted into the moving passage 19.

As shown in FIG. 9C, the lock position is provided at a position where the handrail lock body 8 blocks the movement path of the lock operation piece 7c to the prone position side when the handrail 7 is in the upright posture, and the handrail lock is shown in FIG. 9B. The unlocking position where the body 8 is located is provided at a position where the handrail lock body 8 does not interfere with the movement locus of the lock operation piece 7c.

Further, the temporary holding position where the handrail lock body 8 is located in FIG. 9D extends rearward from the unlocked position, and the end of the non-interference path 10 that does not interfere with the movement locus of the lock operation piece 7c is the lock operation piece 7c. In this example, the notch-shaped recess 11 into which the handrail lock body 8 can be fitted is extended in the direction of the center of rotation of the handrail 7.

Further, in order to determine the position of the handrail lock body 8 in the moving passage 19, the handrail lock body 8 has a first as a first tension member whose one end is fixed to the rotation center (C7) of the handrail 7. The tension spring 12 and the second tension spring 13 as a second tension member whose one end is fixed to the front end portion of the handrail bracket 6 are connected.

Therefore, in this example, when the lid 5 is opened, the handrail 7 moves from the lying posture shown in FIG. 8 to the standing posture side by the restoring force of the torsion spring 7d. As shown in FIG. 9A, the lock operation piece 7c first interferes with the handrail lock body 8 held at the lock position with the shift to the standing posture, and further moves to the standing posture side. As shown in 9B, the handrail lock body 8 is pushed out toward the unlocked position side.

After that, when the handrail 7 further moves to the upright posture side, the handrail lock body 8 returns to the locked position as shown in FIG. 9C by the restoring force of the first and second tension springs 12 and 13.

When the handrail 7 is in the upright position, the handrail lock body 8 in the locked position restricts the movement of the lock operation piece 7c in the lodging position direction by the wall surface of the moving passage 19, as shown in FIG. 9C. The handrail 7 does not fall even if a force in the lodging direction is applied to 7.

From this state, as shown in FIG. 9D, when the handrail lock body 8 is moved beyond the unlocked position to the temporary holding position, the handrail lock body 8 is pressed against the end wall of the temporary holding position by the first tension spring 12. At the same time, the movement of the second tension spring 13 in the lock position direction due to the urging force is blocked by the stopper wall 9 formed by the wall surface of the recess 11, and as a result, the second tension spring 13 is not separated from the temporary holding position.

Further, as shown in FIGS. 4 and 5, since the central portion of the handrail lock body 8 is open to the rear of the elevating table 4, the handrail can be simply pushed backward by pushing the central portion of the handrail lock body 8 toward the rear. The lock body 8 moves to the end of the non-interference path 10, and after that, when the pushing operation is completed, the lock body 8 can be moved to the temporary holding position by the restoring force of the first tension spring 12.

Further, when the handrail 7 is laid down from the state of FIG. 9D, that is, the handrail 7 is in the upright position and the handrail lock body 8 is in the temporary holding position, the handrail lock body 8 is temporarily held by the lock operation piece 7c. It is pushed out of the holding position into the non-interfering path 10 and then pulled back to the locked position by the restoring force of the second tension spring 13.

Therefore, in this example, after using the evacuation device, the handrail lock body 8 is moved to the temporary holding position in a state where the lift 4 is returned to the standby position, and then the handrail 7 is placed in the lodging position simply by closing the lid body 5. Can be moved to.

In this example, one end of the torsion spring 7d is inserted into the elevating table 4 through the mounting piece 6a of the handrail bracket 6 to the elevating table 4 as shown in FIGS. 10A to 10C. As described above, it can be locked to the rear folding piece 6b of the handrail bracket 6.

In each subsequent embodiment, components substantially the same as those in the above-described embodiment are designated by the same reference numerals in the drawings, and description thereof will be omitted.

A lock operation unit 21 for operating the lock member 20, which will be described later, is arranged on the handrail 7. The lock operation unit 21 is provided at the center of the lateral rod 7a of the handrail 7 so that the person being assisted in the wheelchair 16 can operate any upper limb that is not inconvenient, or the assistant can operate in any auxiliary space 4b. A pair of horizontal rods 7a are provided at symmetrical positions with respect to the center position so that the person being assisted can be operated over the shoulder even when riding.

The pair of lock operation units 21 are formed with gear-shaped portions 21a that mesh with each other so that the inner wires 22b, which will be described later, can be operated in synchronization with any of the lock operation units 21.

Further, each lock operation unit 21 can be operated by the person being assisted by simply placing his / her arm on the lock operation unit 21 and putting his / her weight on it, or by simply pushing the lock operation unit 21 over the shoulder of the person being assisted. As shown in FIGS. 6 and 11, consideration is given so that the lock member 20 can be unlocked by pushing it downward in a lever shape.

The operation of the lock member 20 by the lock operation unit 21 is performed by using the wire device 22 in which the inner wire 22b is movably inserted into the outer cable 22a, and as shown in FIGS. 11, 12A, 12B, the rotation center. An inner wire 22b is connected to each lock operation unit 21 that can be rotated around (C21).

In order to use the wire device 22 as a pull specification, the inner wire 22b is inserted into the lock operation unit 21 on the opposite side of the lock operation unit 21 to be connected. As shown in FIG. 11, the wire device 22 connected to the lock operation unit 21 is drawn into the internal space of the handrail 7 from the wire introduction opening 7e opened in the pipe-shaped handrail 7, and then as shown in FIG. Then, the wire is pulled out from the wire lead-out opening 7f to the outside of the handrail 7, is arranged along the vertical rod 7b of the handrail 7 at an appropriate height on the surface of the elevating table 4, and is connected to the conversion unit 23 described later.

Further, a flap 24 is rotatably connected to the rear end of the wheelchair mounting area 4a of the lift 4 around a rotation axis (C24) in the vertical direction, and a lift 4 is connected to the lower floor surface 3 behind the flap 24. An inclined surface 4d for absorbing a step with the floor surface 3 on the lower floor is formed in the state of landing on the floor.

As will be described later, the flap 24 is formed so as to be unlocked and allowed to rotate downward when it lands on the lower floor surface 3, and after landing on the lower floor surface 3, the wheelchair 16 When the flap 24 is retracted, the flap 24 rotates so as to be pushed down, the free end portion rides on the inclined surface 4d, and the flap 24 can proceed to the lower floor surface 3 as it is.

Further, in order to facilitate mounting of the wheelchair 16 at the standby position on the upper floor side, a slope body 25 is connected to the evacuation opening 2.

As shown in FIG. 6, the slope body 25 is a plate body having a width dimension enough for the wheelchair 16 to pass through, and as shown in FIG. 13, the set position where the free end portion rides on the evacuation platform 4. And, as shown in FIG. 14, it rotates around the center of rotation (C25) between the suspended posture and the suspended posture from the evacuation opening 2.

A set roller 25a and a bearing roller 25b are connected to the free end of the slope body 25. As shown in FIG. 13, at the set position, the bearing roller 25b rides on the inclined surface 4d and bears the load of the wheelchair 16 passing over the slope body 25.

Further, as shown in FIG. 13, the flap 24 described above is in a state of riding on the free end of the slope body 25 when the elevating table 4 is in the standby position, and in this state, the flap 24 is in a state of riding on the floor surface on the upper floor side. A slope body 25 is bridged between the surface of the elevating table 4 and the step between the floor surface 1 on the upper floor side and the surface of the elevating table 4 is eliminated.

When the elevating platform 4 descends in this state, as shown in FIG. 14, the slope body 25 that has lost the support by the inclined surface 4d rotates downward due to its own weight and shifts to the suspended posture.

In the set roller 25a, when the slope body 25 is in the suspended posture and comes into contact with the upper surface of the inner end portion of the auxiliary space 4b of the ascending platform 4, the slope body 25 is set in the set position direction, that is, counterclockwise in FIG. It is arranged so as to generate a rotating operation force around it.

Therefore, in this example, when the elevating table 4 descends and then moves to the standby position side again, the set roller 25a first comes into contact with the upper surface of the inner end portion of the auxiliary space 4b of the elevating table 4, and the slope body 25 rises with the elevating table 4. At the same time, it returns to the set position and returns to the initial state shown in FIG.

Further, a damper 26 is interposed between the evacuation opening 2 and the back surface of the slope body 25 in order to absorb the impact when the lift 4 and the set roller 25a come into contact with each other.

As described above, the flap 24 is rotatably connected to the rear end of the wheelchair mounting area 4a of the lift 4 in the vertical direction, and the standing posture shown in FIG. 14 and the lying posture in which the free end rides on the inclined surface 4d. It rotates between the two and is urged to the standing posture side by the torsion spring 27 wound around the rotating shaft (C24). The angle of the flap 24 in the upright posture is determined so as to function as a wheel chock of the wheelchair 16 on the lift 4 in consideration of the length dimension of the flap 24 in the front-rear direction.

The flap 24 is controlled to maintain the standing posture by the flap lock portion 28, and is locked and maintained in the standing posture except when the elevating table 4 is raised and lowered, that is, when the standby position and the landing on the lower floor surface 3 are not reached. Then, when the elevating table 4 is landed at the elevating end position, that is, the standby position and the floor surface 3 on the lower floor, the lock is released and the movement to the prone position side is allowed.

As a result, while the elevating table 4 is descending, the standing posture of the flap 24 is maintained to prevent the wheelchair 16 from falling from the elevating table 4, and the elevating end position of the elevating table 4, that is, the standby position and the lower floor. When landing on the surface 3, the movement to the prone position is allowed and does not hinder the passage of the wheelchair 16.

As shown in FIGS. 15A and 15B, the flap lock portion 28 is rotatably connected to the lock control body 29 rotatably connected to the lift 4 and the free end portion of the flap 24 and the lock control body 29. It has a flap lock body 30, and lock stoppers 29a and 30a that lock each other in a locked state are formed in each of the flap lock bodies 30.

The lock control body 29 is rotatable about the rotation center (C29) between the lock position and the unlock position, and the flap lock portion 28 is a lock of the lock control body 29 in which the flap lock body 30 is in the lock position. The lock state is established by moving to the locking position where the lock stopper 30a is locked to the stopper 29a.

Further, a torsion spring 31 is wound around a rotation shaft (C29M) connecting the lock control body 29 and the flap lock body 30, and as a result, the flap 24 can be rotated around the center of rotation (C30). The flap lock body 30 to be connected is urged to the locking position side by the urging force of the torsion spring 27, and the lock control body 29 is urged by the urging force of the torsion spring 31 interposed between the flap lock body 30 and the flap lock body 30. It is urged to the lock position side.

As shown in FIG. 15A, the connection position between the flap lock body 30 and the lock control body 29, the connection position of the lock control body 29 to the elevating table 4, and the lock position between the lock stoppers 29a and 30a in the locked state are determined. The change of the intersection angle between the flap lock body 30 and the lock control body 29 when the operating force for moving the flap 24 in the lodging direction is applied to the connection point with the flap lock body 30 is locked between the lock stoppers 29a and 30a. It is set to be regulated by.

That is, in FIG. 15B, when a rotational operation force in the lodging direction is applied to the flap 24, a force (F) acts on the connection point of the flap lock body 30 with the flap 24, and the lock control body 29 is counterclockwise. Rotational force is generated. The locking position between the lock stoppers 29a and 30a is a position that regulates a decrease in the intersection angle (θ) between the lock control body 29 and the flap lock body 30 on the sharp angle side due to the counterclockwise rotation of the lock control body 29. As a result, the lock control body 29 and the flap lock body 30 behave substantially as one body with respect to the load in the lodging direction of the flap 24.

By integrating the lock control body 29 and the flap lock body 30, the flap 24, the integrated body of the lock control body 29 and the flap lock body 30, and the lift 4 form a three-section link, and the degree of freedom of movement is eliminated. Therefore, the flap 24 can maintain the standing posture.

Further, the lock control body 29 extends downward from the connection point (C29) to the elevating table 4, and when the elevating table 4 lands on the lower floor surface 3, the lock control body 29 is rotated clockwise in FIG. 15A. A detection protrusion 29b that rotates in the unlocking direction) is provided.

Therefore, in this example, when the elevator 4 descends and lands on the lower floor surface 3, the detection protrusion 29b is pushed by the lower floor surface 3 and rotates clockwise in FIG. 15A, that is, in the unlocked position direction. .. When the lock control body 29 rotates to the unlocked position, as shown in FIG. 16A, the lock stopper 30a of the flap lock body 30 is unlocked, and the connection point (C29M) between the lock control body 29 and the flap lock body 30 is released. The restraint of the flap lock body 30 is released, the flap lock body 30 can be rotated, and the flap 24 can move in the lodging direction.

When the wheelchair 16 moves in this state, the flap 24 is pushed by the wheels in the direction of the arrow in FIG. 16A so that the free end rides on the inclined surface 4d, and the wheelchair 16 can get off.

On the other hand, when the elevating table 4 rises and reaches the vicinity of the standby position, the slope body 25 shifts from the suspended posture to the set position as described above.

As shown in FIG. 13, the free end portion of the slope body 25 is provided with an operating protrusion 25c that moves the flap lock body 30 in the unlocking direction with the lock control body 29 when moving to the set position. In this example, the operating protrusion 25c is formed in a protruding shape that presses the arc-shaped pressed side 30b formed on the flap lock body 30.

As shown in FIG. 16B, as the lift 4 approaches the standby position, the operating protrusion 25c approaches the pressed side 30b of the flap lock body 30, and eventually the pressed side 30b is formed by the operating protrusion 25c. Pushed forward.

The lock stopper 30a of the flap lock body 30 whose pressed side 30b is pushed forward by the operation protrusion 25c is released from the lock stopper 29a of the lock control body 29, and the lock control body 29 is further unlocked. In the direction, the flap 24 is driven in the direction of the lodging position.

The pressed side 30b of the flap lock body 30 is set so that the free end of the flap 24 rides on the slope body 25 after returning to the set position of the slope body 25, and the rotational drive for the flap lock body 30 is stopped in that state. As described above, the wheelchair 16 can smoothly get on the wheelchair 16 from the floor 1 on the upper floor side through the slope body 25 and the flap 24 in the state where the lift 4 is returned to the standby position.

17A, 17B, 18A, and 18B show modified examples of the slope body 25. In this modification, the slope body 25 includes a slope main body 42 having a set roller 25a connected to the front end, and a protrusion forming portion 43 fixed to the front end of the slope main body 42. As shown in FIG. 17A, the protrusion forming portion 43 is formed by rotatably connecting a roller-shaped operating protrusion 25c to the front end of the housing 43a to which the support roller 25b is connected. Both ends of the operation protrusion 25c are inserted into the elongated holes 43b opened in the housing 43a and prevented from coming off by nuts or the like, and are further urged forward by the torsion spring 43c.

Therefore, in the present modification, when the lift 4 is in the standby position, the roller-shaped operating protrusion 25c comes into contact with the pressed side 30b of the flap lock body 30 as in the above-described embodiment.

Further, when the elevating table 4 rises from the suspended posture shown in FIG. 18A, the relative positions of the elevating table 4 and the slope body 25 deviate from the set value due to the accumulation of dimensional errors, and the operation protrusion 25c shifts to the pressed side 30b. For example, the length (moment arm) of the vertical line drawn from the center of rotation (C30) to the direction line of the operating force may be shortened in the direction of the center of rotation (C30) of the flap lock body 30. In this case, since it is not possible to apply a sufficient rotational operation force to the flap lock body 30, there is a risk that smooth operation will be hindered.

However, if the operating protrusion 25c is made movable in the elongated hole 43b as in this modification, the operating protrusion 25c moves backward along the elongated hole 43b even in the above-mentioned case. By doing so, the contact angle with the pressed side 30b changes and the moment arm becomes large, so that smooth operation is guaranteed.

The elevating table 4 configured as described above is held in the standby position by using the elevating table holding mechanism 32.

As shown in FIG. 19, the elevating table holding mechanism 32 sets the locked portion 33 formed around the standby position, the hook member 34 engaged with and disengaged from the locked portion 33, and the hook member 34 engaged and disengaged. It is composed of a lock member 20 to be controlled.

In this example, the locked portions 33 are formed by U-shaped bolts, and a total of four are fixed to the front and rear wall surfaces of a pair of two guide columns 14 (see FIG. 4) arranged symmetrically. The hook member 34 and the lock member 20 are arranged on the elevating table 4 corresponding to each of the locked portions 33, and two pairs of each guide support column 14, for a total of four pairs of each hook member 34 and the lock member. 20 operates in an operating surface parallel to the front and rear wall surfaces of the guide column 14.

The hook member 34 is rotatable around the center of rotation (C34) between the locking position shown in FIG. 20A and the unlocking position shown in FIG. 20C, and is locked at the upper end portion at the locking position. A locking hook portion 34a that locks to the portion 33 and an interference protrusion 34b at a position facing the locking hook portion 34a are provided.

As shown in FIG. 20D, the interference protrusion 34b is a relative movement path of the locked portion 33 when the hook member 34 is in the unlocked position, that is, the locked portion 33 when the elevating table 4 is raised and lowered. It is placed on a relative movement path.

Therefore, in this example, when the lift 4 rises from the state shown in FIG. 20D, the locked portion 33 first abuts on the interference protrusion 34b of the hook member 34, and the hook member 34 is rotationally driven to the locked position. .. By rotating the hook member 34 to the locking position, the hook portion is located above the locked portion 33 and is locked to the locked portion 33 as shown in FIG. 20A.

Further, a hook-side protrusion 34c is provided so as to project from the lock release position side edge of the hook member 34. The locking surface between the hook-side protrusion 34c and the lock-side protrusion 20a, which will be described later, is formed by an arc surface centered on the rotation center (C20) of the lock member 20.

In the locked state with the locked portion 33, a rotational force is generated in the hook member 34 in the unlocking direction due to the weight of the elevating table 4, and the locked state is maintained against this rotational force. The lock member 20 is arranged there.

The lock member 20 is arranged adjacent to the unlocking side edge of the hook member 34, is rotatable between the locking position of FIG. 20A and the unlocking position of FIG. 20C, and the hook member 34 at the locking position. The lock side protrusion 20a projecting from the side edge is locked to the hook side protrusion 34c of the hook member 34. The lock member 20 and the hook member 34 are connected by a tension spring 35, and the tension spring 35 urges the lock member 20 toward the lock position when the hook member 34 is in the lock position.

When a rotational force is generated in the hook member 34 in the unlocking position direction (clockwise in FIG. 20A) while the lock side protrusion 20a is locked to the hook side protrusion 34c, the lock member 20 has a rotation center (C20). A compressive force is generated toward the hook member 34, and the hook contact portion 20b formed on the side edge of the hook member 34 comes into contact with the hook member 34.

The position of the contact portion of the hook contact portion 20b with respect to the hook member 34 is the region where the lock member 20 approaches when the hook member 34 moves to the unlocked position, that is, the rotation of the lock member 20 in this example. It is set above the center (C20).

Therefore, in this example, even if a rotational force in the unlocking position direction is generated in the hook member 34 due to the load of the elevating table 4, the pressure contact force between the lock side protrusion 20a and the edge of the corresponding hook member 34 increases. The hook member 34 does not rotate, and the locked state, that is, the holding state of the lift 4 in the standby position is maintained.

When the lock member 20 is rotated to the unlocked position from this state, the lock side protrusion 20a is released from the lock with the hook side protrusion 34c while moving on the arc surface of the hook side protrusion 34c, and the lift base is released. 4 starts descent. As shown in FIGS. 20B and 20C, the hook member 34 is released from the locked portion 33, and the hook member 34 is engaged by the tension spring 35 while the lock member 20 is held at the unlocked position. Further pulled toward the stop release position side, the hook side protrusion 34c of the hook member 34 is locked to the step portion 20c of the lock member 20.

This state is the unlocked state, and once the hook member 34 is locked to the step portion 20c, the movement path of the lock member 20 to the lock position side is blocked by the hook member 34, so that the unlocked state is maintained. ..

As described above, after that, when the elevating table 4 is raised and the hook member 34 is locked to the locked portion 33, the lock member 20 is moved to the locked position by the tension spring 35, and then the locked state is maintained. Will be done.

21, 22A, 22B, 23A, and 23B show a modified example of the lifting platform holding mechanism 32. The components substantially the same as those in the above-described embodiment in FIGS. 21, 22A, 22B, 23A, and 23B are designated by the same reference numerals in the drawings, and the description thereof will be omitted.

In this modification, the rack groove 14a is formed on the front and rear wall surfaces of the guide column 14, and the pinion 17b of the slow-down device 17 meshes with the rack groove 14a formed on the front wall surface indicated by the arrow in FIG. By arranging the rack groove 14a on the front and rear wall surfaces of the guide column 14, that is, the short side portion in this way, the short side portion has higher rigidity and the amount of deflection is smaller than that of the long side portion. The meshing accuracy with 17b is increased, smooth operation is possible, and the overall strength can be increased.

In FIG. 21, 15a indicates a wire for suspending the weight 15, and 15b indicates a pulley.

Further, the elevating platform holding mechanism 32 operates in a plane parallel to the wall surface adjacent to the wall surface on which the rack groove 14a of the guide column 14 is formed, and is formed so as to be engageable and disengageable from the locked portion 33.

As shown in FIGS. 22A and 22B, the lifting platform holding mechanism 32 in this modified example is equipped with the hook auxiliary member 44 in addition to the hook member 34, the lock member 20, and the tension spring 35 described above. Similar to the above-described embodiment, the hook member 34 and the lock member 20 are provided with a hook side protrusion 34c and a lock side protrusion 20a and are rotatably mounted on the elevating table 4 around a rotation center (C34, C20). They are connected and operate in the same manner as in the above-described embodiment, and the lock members 20 are connected to each other by the operating rod 36.

The hook auxiliary member 44 includes a hook-shaped contact protrusion 44a coaxially with the hook member 34, which is coaxially rotatable with respect to the hook member 34 and has a hook shape capable of contacting the locked portion 33 at the rear end. At the same time, an operating wall 44b is provided at the front end portion, and a relief elongated hole 44c is opened at the intermediate portion thereof.

The relief elongated hole 44c is formed in an arc shape centered on the rotation center (C34) of the hook member 34, and is formed with a curvature through which the rotation axis forming the rotation center (C20) of the lock member 20 can be inserted. To.

Further, the working wall 44b is located above the working protrusion 20d projecting from the lock member 20, and is formed at a position capable of contacting the working protrusion 20d.

As shown in FIG. 22A, when the hook member 34 is in the locked state, the contact protrusion 44a of the hook auxiliary member 44 is located slightly above the locked portion 33. When the hook member 34 is released from the locked portion 33 and the lift 4 starts to descend, the contact protrusion 44a of the hook auxiliary member 44 comes into contact with the locked portion 33, and is shown in FIG. 22B. As described above, the hook auxiliary member 44 rotates clockwise so that the rotation axis of the lock member 20 moves relative to the inside of the relief slot 44c.

As the hook auxiliary member 44 rotates, the actuating wall 44b presses the actuating protrusion 20d of the lock member 20, so that the lock member 20 is rotationally driven to the stroke end position on the unlocking side.

Further, the hook member 34 and the hook auxiliary member 44 are given a counterclockwise urging force by a torsion spring (not shown), and when the lock by the hook member 34 is released and the lift 4 is lowered, FIG. 22A Return to the initial posture of.

On the other hand, when the lift 4 is raised, as shown in FIG. 23A, first, the contact protrusion 44a of the hook auxiliary member 44 comes into contact with the locked portion 33 and rotates clockwise. As the hook auxiliary member 44 rotates, the actuating protrusion 20d of the lock member 20 is pushed downward by the actuating wall 44b of the hook auxiliary member 44, and as shown in FIG. 23B, the lock member 20 rotates toward the unlocked position side. The interference protrusion 34b of the hook member 34 comes into contact with the locked portion 33, and then the hook member 34 moves to the locking position by the force applied to the interference protrusion 34b.

As described above, in the present modification, when the elevating table 4 rises and moves to the standby position, the hook member 34 does not collide with the locked portion 33, so that the hook member 34 is damaged. Can be reliably prevented.

The operation of the lock member 20 is performed by the conversion unit 23 connected to the lock operation unit 21 arranged on the handrail 7 as described above.

As shown in FIG. 19, the conversion unit 23 connects the pair of lock members 20 arranged to face each other, and includes an operating rod 36 arranged along the rack groove 14a forming wall surface of the guide column 14 and an opening lever 37. Has. A collar 38 having a tubular shape through which the operating rod 36 is movably inserted and flanges 38a formed at both ends is attached to the central portion of the operating rod 36 in the longitudinal direction.

As shown in FIGS. 19 and 25, the release lever 37 has a mounting piece 37a and a rising piece 37b formed by bending a plate material into an L shape, and the lever 37 is fixed on the elevating table 4 on the mounting piece 37a. It is rotatably connected to the bracket 39.

The release lever 37 is arranged in a posture in which the rising piece 37b is orthogonal to the operating rod 36, and as shown in FIG. 24B, the rising piece 37b is in contact with the outer periphery of the collar 38 in an arcuate shape over substantially half a circumference. An elongated rod-shaped rod locking portion 40 having a toe end 40a is formed. At the end opposite to the locking end 40a of the rod locking portion 40, a lower opening portion 40b for providing an entrance for inserting the collar 38 when mounted on the collar 38 is formed.

As shown in FIG. 24A, the rotation center (C37) of the release lever 37 is arranged slightly closer to the center of the elevating table 4 from the operating rod 36, and the wire device 22 is located on the opposite side of the rotation center (C37). The inner wire 22b is connected.

The wire device 22 is arranged along the surface of the elevating table 4 at an appropriate height on the elevating table 4 in parallel with the vertical rod 7b of the handrail 7, that is, the operating rod 36, and the lock operation unit 21 of the handrail 7. When the operation is performed, the inner wire 22b is pulled toward the lock operation portion 21, and the release lever 37 rotates about the rotation axis (C37) as shown in FIG. 25A. As the release lever 37 rotates, the locking end 40a of the rod locking portion 40 moves forward, and the collar 38 and the operating rod 36 inserted into the collar 38 are initially pushed by the locking end 40a. It moves toward the center of the lift 4 by a predetermined distance (δ) from the position.

The moving distance (δ) corresponds to the operating stroke from the lock position to the unlock position of the lock member 20, and as a result, the lock member 20 moves to the unlock position and moves to the locked portion 33 by the hook member 34. The locked state is released and the descent of the lift 4 starts.

Further, the flange 38a of the collar 38 is urged to the initial position side by the compression spring 41, and when the operating force on the lock operation unit 21 is released after the release operation on the lock member 20, the collar 38 is restored by the restoring force of the compression spring 41. Generates an operating force in the initial position direction.

The lever bracket 39 is formed so that the straight portion 40c (see FIG. 24B) following the locking end 40a of the rod locking portion 40 is formed in a slightly inclined shape in consideration of the vertical component during operation of the lock member 20. Since the collar 38 is provided at an angle, the collar 38 returns to the initial position through the straight portion 40c of the rod locking portion 40, and the release lever 37 returns to the initial position accordingly (see FIG. 25B). When the release lever 37 returns to the initial position, the inner wire 22b of the wire device 22 is also driven to the initial state side, and the lock operation unit 21 also returns to the initial state.

After that, when the hook member 34 locks the locked portion 33, the lock member 20 moves to the lock position side as described above, and the operating rod 36 moves accordingly, and the conversion unit 23 returns to the initial state shown in FIG.

26 and below show other embodiments of the present disclosure. In this example, the rack groove 14a is formed on the rear wall surface of the guide column 14, and the pinion 17b (not shown) of the slow-moving device 17 (not shown) meshes with the pinion 17b (not shown). , The hook member 34, and the pair of locked portions 33 forming the elevating table holding mechanism 32 in cooperation with the lock member 20 are fixed in the backward position.

The hook member 34 and the lock member 20 are arranged on the elevating table 4 corresponding to the locked portions 33, and rotate with a surface parallel to the left and right side wall surfaces of the guide column 14 as an operating surface.

The hook member 34 is rotatable around the center of rotation (C34) between the locking position shown in FIG. 28A and the unlocking position shown in FIG. 28C, and is engaged at the upper end portion at the locking position. A locking hook portion 34a for locking to the stop portion 33 is provided, and an interference protrusion portion 34b is provided at a position facing the locking hook portion 34a.

In this example, when the lift 4 rises from the state shown in FIG. 28D, the interference protrusion 34b of the hook member 34 first abuts on the locked portion 33, and then the hook member 34 is rotationally driven to the locking position. As shown in FIG. 28A, it is locked to the locked portion 33.

The lock member 20 is arranged adjacent to the hook member 34 and is rotatable around the center of rotation (C20) in the same plane as the operating surface of the hook member 34, and when the hook member 34 is in the locking position, the hook The hook-side protrusion 34c of the member 34 is locked to the lock-side protrusion 20a of the lock member 20.

Further, when the hook member 34 is in the locked position, the hook member 34 generates a rotational force in the unlocking direction due to the weight of the lift 4 while the hook contact portion 20b of the lock member 20 hooks. The counterclockwise rotation of FIG. 28A is restricted by abutting against the hook side protrusion 34c of the member 34, and the lock side protrusion 20a is pressed against the hook side protrusion 34c to regulate the clockwise rotation. Therefore, it stays at the position shown in FIG. 20A, and as a result, the locking member 20 is held at the locking position.

When the lock member 20 is rotated in the clockwise direction in FIG. 28A, that is, toward the unlock position side from this state, the hook member 34 loses the support by the lock side protrusion 20a and moves in the unlock position direction as shown in FIG. 28B. It rotates to release the lock with the locked portion 33, and the elevating table 4 starts descending.

In order to smoothly unlock the hook member 34 by the lock member 20, the contact surface between the lock side protrusion 20a and the hook side protrusion 34c is an arc surface centered on the rotation center (C20) of the lock member. Is formed by.

Further, since the hook member 34 and the lock member 20 are connected by the tension spring 35, the hook member 34 moves to the unlocked position as the lock member 20 is rotated to the unlocked position, and FIG. 28C As shown in the above, the hook side protrusion 34c locks on the step portion 20c of the lock member 20 and stops.

This state is the unlocked state, and once the hook member 34 is locked to the step portion 20c, the movement path of the lock member 20 to the lock position side is blocked by the hook member 34, so that the unlocked state is maintained. ..

In order to operate the lock member 20, as shown in FIG. 29, the pair of lock members 20 corresponding to the side walls of the guide columns 14 are connected by the operating rod 36 and at the center position of the operating rod 36. Is connected to the other end of the inner wire 22b of the wire device 22 whose one end is connected to the lock operation unit 21 (see FIGS. 30A and 30B).

The lift 4 so that the operating direction of the inner wire 22b, to be exact, the operating force acting direction of the inner wire 22b on the operating rod 36 is located in a plane parallel to the operating surface of the hook member 34 and the lock member 20. Is provided with a wire guide 45.

Further, a compression spring 45a is interposed between the outer cable 22a of the wire device 22 fixed to the wire guide 45 and the inner wire 22b connected to the working rod 36, and the working rod 36 is connected to the inner wire 22b. Gives a pulling force to the end side of the connection to. As a result, when the elevating table 4 rises from the floor surface of the lower floor and returns to the standby position and the hook member 34 shifts to the locking position, the inner wire 22b is pulled and the lock operation unit 21 is returned to the initial state before the operation. Return.

The wire device 22 is operated by arranging the hook member 34 and the lock member 20 along the left and right side walls of the guide column 14 and connecting the wire device 22 to the center position of the operating rod 36 that connects the lock members 20. As shown in FIG. 27, the connecting end to the rod 36 substantially coincides with the center line in the width direction of the guide column 14.

As a result, the bending curvature of the wire device 22 drawn from the wire lead-out opening 7f of the handrail 7 can be made larger than that shown in FIG. 5, so that the contact resistance during wire operation becomes smaller and the operating force becomes smaller. Can be transmitted smoothly.

Further, in this example, as shown in FIGS. 31 and 32, a lock operating member 46 is rotatably connected around the center of rotation (C46) to the front end of the handrail bracket 6 for rotatably connecting the handrail 7. Moving passages 19 are provided at opposite positions in the pair of wing pieces 6c facing each other of the handrail bracket 6, and both ends of the handrail lock body 8 pulled by the first tension spring 12 and the second tension spring 13 are movable. Will be inserted.

The first tension spring 12 and the second tension spring 13 are arranged so that the handrail lock body 8 is urged in the direction of the end position on the interference path 47 side of the moving passage 19 described later, and in this example, the second tension One end of the spring 13 is connected to the rotation center (C46) position of the lock operating member 46.

The movement passage 19 has an interference path 47 that interferes with the movement locus of the lower end of the handrail 7 (lock operation piece 7c) and a non-interference path 10 that does not interfere with the movement locus, and has an L-shape that is convex forward. When the handrail 7 is in the upright position and the handrail lock body 8 is located in the interference path 47, the falling motion of the handrail 7 from the standing position is restricted, and when the handrail 7 is located in the non-interference path 10, the falling motion of the handrail 7 is allowed. Will be done. Further, as shown in FIG. 34A, a lock position is set near the end position on the interference path 47 side of the moving passage 19, and a lock shelter position is set near the end position of the non-interference path 10.

As shown in FIG. 31, the lock operation member 46 connects a pair of side pieces 46a along the inner wall surface of a pair of wing pieces 6c facing each other of the handrail bracket 6 by a connecting piece 46b, and has a width from each side piece 46a. It is formed by projecting the driven piece 46c toward the center of the direction. Each side piece 46a is provided with a first stopper side 46d, a second stopper side 46e, an operating side 46f, a pressing side 46g, and an intermediate side 46h connecting the operating side 46f and the pressing side 46g.

The lock operation member 46 has an initial position where the first stopper side 46d is brought into contact with the operation member stopper wall 6d of the handrail bracket 6 as shown in FIGS. 33A and 33B, and the lock operation member 46 has a position as shown in FIGS. 35A and 35B. 2 The stopper side 46e can be rotated between the operating position where the stopper wall 6d of the operating member is brought into contact with the stopper wall 6d.

As shown in FIG. 33A, when the handrail 7 is pressed by the lid 5 and is in the prone position, the lock operating member 46 is driven to the initial position as the handrail 7 is changed to the prone position, as will be described later. To. In this state, the operation side 46f is subjected to a clockwise rotational force in FIG. 33A by the urging force applied to the handrail lock body 8, and as a result, the first stopper side 46d is in pressure contact with the operation member stopper wall 6d, and the lock operation member is locked. The 46 is held in the initial position by preventing the occurrence of rattling and the like.

When the lid 5 is released from this state, the handrail 7 rotates in the upright posture direction as shown in FIG. 33B due to the restoring force of the torsion spring 7d. As the handrail 7 rotates, the handrail lock body 8 is pushed downward by the lower end portion (lock operation piece 7c) of the handrail 7, and the handrail 7 is shown in FIGS. 32 and 34A in order to open the rotation locus of the handrail 7. As shown, it is possible to shift to an upright posture in which the lower end of the handrail 7 is in contact with the handrail stopper 6e formed on the handrail bracket 6.

In the standing posture of the handrail 7, the handrail lock body 8 abuts on the front surface of the lock operation piece 7c of the handrail 7 and restricts the counterclockwise rotation of the handrail 7 in FIG. 34A, that is, the rotation in the lodging direction. Even if a force in the lodging direction is applied to the handrail 7, the handrail 7 does not fall.

From this state, as shown in FIG. 34B, when the lock operating member 46 is rotated from the initial position to the operating position side by pulling up the connecting piece 46b, the handrail lock body 8 is pushed down by the operating side 46f of the lock operating member 46. It moves from the interference path 47 into the non-interference path 10. After that, when the lock operation member 46 is further rotated to the operating position where the second stopper side 46e abuts on the operation member stopper wall 6d, as shown in FIG. 35A, the handrail lock body 8 has the operation side 46f of the lock operation member 46. Then, it is pushed down by the pressing side 46g and moved to the lock relief position.

At the lock relief position, the handrail lock body 8 is in pressure contact with the pressing side 46g of the lock operating member 46, and the locking operating member 46 is rotated clockwise in FIG. 35A due to the component force in the direction orthogonal to the pressing side 46g at the pressing portion. A moment, that is, a rotational force that presses the second stopper side 46e against the operating member stopper wall 6d is generated, and the lock operating member 46 is maintained in the operating position and the handrail lock body 8 is maintained in the lock retaining position. ..

The handrail lock body 8 is allowed to move in the lodging direction while the handrail lock body 8 remains in the lock retaining position, and the handrail 7 rotates in the lodging direction as the lid 5 is closed. As shown in FIG. 35B, when the handrail 7 rotates in the lodging direction, the lower end of the handrail 7 eventually comes into contact with the driven piece 46c, and when the handrail 7 falls further, the driven piece 46c is pushed by the lower end of the handrail 7 to perform a lock operation. The member 46 returns to the initial position.

The handrail lock body 8 moves to the lock position side following the return operation of the lock operation member 46, and the operation side 46f, the pressing side 46g, and the intermediate side 46h of the handrail lock body 8 set the movement timing of the handrail lock body 8. It functions as a cam for determining that interference with the handrail 7 does not occur.

The evacuation device of the present disclosure can be used for evacuation of residents, etc. in the event of a fire in a building.

Claims (8)

An elevating platform that descends from the standby position held on the upper floor to the lower floor,
A lid that hides the upper surface of the lift in the standby position,
A handrail that is urged to the standing posture side from the lying posture to the standing posture and is rotatably connected to the handrail bracket fixed on the lift, and is held in the lying posture by the lid body.
With the transition to the standing position of the handrail possess a handrail locking member for restricting the movement of the horizontal position of該手sliding in the open state of the lid,
The handrail lock body is urged toward the lock position side between a lock position that regulates the movement of the handrail in the upright posture to the lying down posture and a lock shelter position that allows the handrail to move to the lying down posture. Is formed to be movable
The handrail bracket is provided with a lock operating member that can move between the initial position and the operating position and drives the handrail lock body from the lock position to the lock retaining position as the movement operation from the initial position to the operating position is performed. Be,
The lock operating member restrains the handrail lock body at the lock shelter position against the urging force at the operating position.
The handrail lock body urges the first pulling member whose one end is connected to the rotation center of the handrail and the handrail lock body in a non-interfering path between the handrail in an upright posture toward the lock position side. tension and members connected to Ru evacuation device. The lock operation member, the evacuation apparatus of claim 1, wherein the driven to the initial position with the movement of the horizontal position of the handrail. The lock operating member is rotatable between the initial position and the operating position, and pushes the handrail lock body into the lock retaining position as it rotates toward the operating position side.
The evacuation according to claim 1 or 2, wherein the handrail lock body in the lock shelter position presses the lock operating member against the end of the rotary stroke on the operating position side, and the lock operating member holds the handrail lock body in the lock shelter position. apparatus. An elevating platform that descends from the standby position held on the upper floor to the lower floor,
A lid that hides the upper surface of the lift in the standby position,
A handrail that is urged to the standing posture side from the lying posture to the standing posture and is rotatably connected to the handrail bracket fixed on the lift, and is held in the lying posture by the lid body.
It has a handrail lock body that regulates the movement of the handrail to the lying posture as the handrail shifts to the upright posture in the open state of the lid.
The handrail lock body has a lock position that restricts the movement of the handrail to the lying posture in an upright posture, allows the handrail to move to the lying posture, and is discharged as the handrail moves to the lying posture. It can be moved by being urged toward the lock position side with the temporary holding position.
The handrail bracket is provided with a stopper wall for holding the handrail lock body at the temporary holding position against the urging force toward the lock position side .
The handrail lock body urges the first pulling member whose one end is connected to the rotation center of the handrail and the handrail lock body in a non-interfering path between the handrail in an upright posture toward the lock position side. An evacuation device that is connected to a tension member. Claim that the handrail is formed in a U shape and is connected to the handrail bracket at a free end, and the handrail lock body is formed in a rod shape erected between the handrail brackets and can be operated at the same time. The evacuation device according to 4. An elevating platform that descends from the standby position held on the upper floor to the lower floor,
A lid that hides the upper surface of the lift in the standby position,
A handrail that is urged to the standing posture side from the lying posture to the standing posture and is rotatably connected to the handrail bracket fixed on the lift, and is held in the lying posture by the lid body.
It has a handrail lock body that regulates the movement of the handrail to the lying posture as the handrail shifts to the upright posture in the open state of the lid.
The handrail lock body has a lock position that restricts the movement of the handrail to the lying posture in an upright posture, allows the handrail to move to the lying posture, and is discharged as the handrail moves to the lying posture. It can be moved by being urged toward the lock position side with the temporary holding position.
The handrail bracket is provided with a stopper wall for holding the handrail lock body in the temporary holding position against the urging force toward the lock position side.
The handrail is formed in a U shape and is connected to the handrail bracket at a free end, and the handrail lock body is formed in a rod shape erected between the handrail brackets and can be operated at the same time. .. The provisional holding position according to claims 4 to 6 is arranged at a position where the handrail lock body is separated from the lock position and enters the transition path of the handrail via a non-interfering path with the handrail in an upright posture. The evacuation device according to any one item. The evacuation device according to claim 7 , wherein the temporary holding position is formed by cutting out a recess into which the handrail lock body can be fitted in the non-interference path.

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