JP3567339B2 - Rotating / elevating device for a seat in a vehicle elevating device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotating / elevating device for a seat portion in a vehicle elevating device.
[0002]
[Prior art]
Conventionally, parallel link type elevating devices have been mainly used in vehicular elevating devices, such as buses, where the floor of a vehicle compartment is relatively high from the ground and a large elevating stroke is required.
[0003]
[Problems to be solved by the invention]
As described in the related art, the floor of the passenger compartment is relatively high from the ground, such as a bus, and in a vehicle elevating device that requires a large elevating stroke, a parallel link type elevating device is mainly used. However, the platform protruded greatly to the side of the vehicle, making it difficult to secure a place for ascending and descending.
[0004]
In particular, if the user turns the seat out of the vehicle and goes up and down to get on and off, the turning mechanism and the elevating and lowering support mechanism become complicated and costly, and smooth operation cannot be expected. The purpose of the present invention is to solve the above-mentioned drawbacks.
[0005]
[Means for Solving the Problems]
The upper and lower ends of the vehicle are supported in the vehicle cabin to rotatably support the rotating support shaft, and a vertically movable guide support cylinder is vertically supported integrally by a bracket on the rotary support shaft, and is rotatably provided together. Inside, an elevating body for supporting an elevating frame to which a seating portion is attached is provided so as to be able to ascend and descend along an inner wall surface, and is provided so as to be able to ascend and descend in relation to a power mechanism built in an elevating guide support cylinder. A lock pin is provided at the lower end of the support shaft so as to move up and down, and a lock hole corresponding to the lock pin and a concentric circle is provided so that the seating portion can be engaged between the inside position and the outside position by turning around the rotation support shaft. In the rotating / elevating device of the seating portion of the fixedly arranged vehicle elevating device , the power mechanism installed inside the lower half of the elevating guide support tube generates an elongated pulling power occupying the center of the elevating guide support tube. Oil cylinder for , The lower end of which is pivotally supported by a support shaft, the piston rod protrudes from the oil cylinder for power generation, a bearing is provided at the tip of the piston rod, the lower pulley is mounted on the shaft, and further extended upward. A wire connecting shaft is provided on the extended portion, and an upper pulley is parallel-supported inside the upper portion of the elevating guide support tube. One end of the wire is connected to a wire connecting shaft provided on the extending portion of the piston rod, and To the upper pulley, lower it to the lower pulley, pull it up, hang it on the upper pulley, then lower it again, pull it out of the guide hole and lift it up and down on the elevating body A rotating / raising / lowering device for a seating part in a vehicular lifting / lowering device characterized by being connected to a frame .
[0006]
The elevating guide support tube has a guide hole having a vertical hole edge parallel to each other on an outer peripheral surface, and the power mechanism, the lower pulley and other related mechanisms are provided on a front inner wall surface on both sides of the vertical hole edge. An upper front bearing wheel that contacts and avoids the upper side, and the power mechanism, a lower rear bearing wheel that also contacts the lower inner wall surface avoiding the lower pulley and other related mechanisms on the opposite rear inner wall surface, and the power mechanism, Avoid the lower pulley and other related mechanisms, and place the upper side bearing wheel, which is arranged behind the upper front bearing wheel and in contact with the left and right side inner wall surfaces at a 90 degree discrepancy, upward, similarly to the power mechanism, the lower pulley and other It is also possible to dispose an elevating body which is disposed in front of the lower rear bearing wheel and avoids the related mechanism and has a lower side bearing wheel which is in contact with the left and right side inner wall surfaces on the lower side at a 90 ° discrepancy .
[0007]
The operation mechanism related to the lock pin is such that a lock pin bearing plate is attached to the lower end of the rotating support shaft, and the lock pin is slidably inserted up and down into a bearing hole provided in the bearing plate, and is extended to the upper surface of the bearing plate. A spring may be provided so that the lock pin is constantly urged downward to descend and engage with the lock position inside the vehicle and the lock position outside the disk .
[0008]
The handle operation mechanism associated with the lock pin, a lower handle is pivotally supported on a lower pivot provided on the lower periphery of the lifting guide support tube, and connected to the upper end of the lock pin via a lower connecting rod, and the lower handle, An upper handle pivotally supported by an upper pivot provided on the outer periphery of an intermediate portion of the lifting guide support rectangular tube may be connected by an upper connecting rod .
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
The upper and lower ends of the vehicle are supported in the vehicle cabin to rotatably support the rotating support shaft, and a vertically movable guide support cylinder is vertically supported integrally by a bracket on the rotary support shaft, and is rotatably provided together. Inside, an elevating body for supporting an elevating frame to which a seating portion is attached is provided so as to be able to ascend and descend along an inner wall surface, and is provided so as to be able to ascend and descend in relation to a power mechanism built in an elevating guide support cylinder. A lock pin is provided at the lower end of the support shaft so as to move up and down, and a lock hole corresponding to the lock pin and a concentric circle is provided so that the seating portion can be engaged between the inside position and the outside position by turning around the rotation support shaft. In the rotating / elevating device of the seating portion of the fixedly disposed vehicle elevating device, the power mechanism installed inside the lower half of the elevating guide support tube has an elongated pulling power occupying the center of the elevating guide support tube. Oil Syringe for generation The piston is projected from the oil cylinder for generating power, a bearing is provided at the tip of the piston rod, and the lower pulley is suspended, and A wire connecting shaft is provided in the extension part extended to the upper part, and an upper pulley is parallelly supported inside the upper part of the lifting guide support cylinder, and one end of the wire is connected to the wire connecting shaft provided in the extending part of the piston rod. Then, pull it up and hang it on the upper pulley, drop it down and hang it on the lower pulley, pull it up and hang it on the upper pulley, then lower it again and pull it out of the guide hole outward to the elevating body The lifting guide support tube is connected to a supported lifting frame, and the lifting guide support tube has a guide hole having a vertical hole edge parallel to each other on an outer peripheral surface, and a front surface on both sides of the vertical hole edge. An upper front bearing wheel that contacts the wall surface avoiding the power mechanism, the lower pulley and other related mechanisms upward, and a lower part that similarly contacts the rear inner wall surface avoiding the power mechanism, the lower pulley and other related mechanisms. A rear bearing wheel is provided on the lower side, and the upper side bearing wheel which is disposed behind the upper front bearing wheel and avoids the power mechanism, the lower pulley and other related mechanisms and is in contact with the left and right side inner wall surfaces by 90 degrees inconsistency is provided. On the upper side, also having a lower side bearing wheel which is disposed in front of the lower rear bearing wheel, avoiding the power mechanism, the lower pulley and other related mechanisms, and is in contact with the left and right side inner wall surfaces at a 90-degree discrepancy, has a lower side. An operating mechanism related to the lock pin is provided with a lock pin bearing plate attached to the lower end of the rotating support shaft, and the lock pin is vertically inserted into a bearing hole provided in the bearing plate. And slidably inserted into the disk, and an expansion spring is provided on the upper surface of the bearing plate so that the lock pin is constantly urged downward to descend to engage with the disk internal position lock hole and the vehicle external position lock hole. A handle operation mechanism associated with the lock pin, a lower handle pivotally supported on a lower pivot provided on the lower periphery of the lifting guide support cylinder, and connected to an upper end of the lock pin via a lower connecting rod; A pivoting / raising / lowering device for a seating portion in a vehicular lifting / lowering device in which a handle and an upper handle pivotally supported by an upper pivot provided at an outer periphery of an intermediate portion of the lifting / lowering guide support square tube are connected by an upper connecting rod .
[0010]
【Example】
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings as an example of the embodiment. Reference numeral 1 denotes a rotating support shaft, for example, an upper bearing 3 provided on a ceiling surface 2a of a vehicle interior 2 and a lower bearing 4 provided on a floor surface 2b. The upper and lower shaft portions 5 and 6 respectively corresponding to the upper and lower shafts are fitted and rotatably supported, and a lock pin 7 is provided at the lower end to move up and down. A disk 10 that is opened with the lock holes 9 separated by a required angle is fixedly arranged on the lower bearing 4.
[0011]
More specifically, as shown in FIG. 5, the rotary support shaft 1 supports the lower end shaft portion 6 in the thrust direction and the turning direction via a thrust ball bearing 11 with respect to the lower bearing 4 and also has a seating portion from the outside. An oil pipe 14 is connected to the rotary support shaft 1 as a lifting power of 12 via a universal joint 13 so that hydraulic oil can be supplied to the rotary support shaft 1.
[0012]
Brackets 15 and 16 are attached to the rotating support shaft 1, and a vertical guide support cylinder 17 is vertically supported on the brackets 15 and 16.
[0013]
Upper pulleys 18 and 19 are supported in parallel inside the upper part of the lifting guide support cylinder 17.
[0014]
Inside the lower half of the elevating guide support cylinder 17, an elongated pulling power generating oil cylinder 20 occupying the center is disposed with its lower end pivotally supported by a support shaft 20a. The piston rod 21 is protruded, a bearing 22 is provided at the tip of the piston rod 21, a lower pulley 23 is suspended, and a wire connecting shaft 25 is provided on an extension 24 extending further upward.
[0015]
An oil pipe joint 26 is provided on the upper rear surface of the oil cylinder 20 for generating the pulling power, and the tip of the oil pipe joint 26 projects outward from an opening 27 on the rear surface of the vertical guide support cylinder 17 and projects to the outer peripheral surface of the rotary support shaft 1. The oil pipe joint 28 and the pipe 29 communicate with each other.
[0016]
As shown in FIGS. 1 and 3, the elevation guide support cylinder 17 opens a guide hole 30 having vertical hole edges 30a, 30b parallel to each other on the outer peripheral surface, and the vertical hole edges 30a, 30b are opened. An oil cylinder 20, a lower pulley 23, and an upper front bearing wheel 33, which contacts and avoids a wire 32 described later, are formed on the front inner wall surface 17a on both sides upward, and the same is generated on the opposite rear inner wall surface 17b. A lower rear bearing wheel 34 is provided on the lower side to contact and avoid the oil cylinder 20, the lower pulley 23, and a wire 32 described later, and the upper front surface also avoids the oil cylinder 20, the lower pulley 23, and the wire 32 described below for generating the pulling power. The upper side bearing wheel 35 which is arranged behind the bearing wheel 33 and makes contact with the left and right side inner wall surfaces 17c and 17d with a 90 degree discrepancy. On the upper side, the lower portion is disposed in front of the lower rear bearing wheel 34, avoiding the tension power generating oil cylinder 20, the lower pulley 23, and the wire 32 described later, and in contact with the left and right side inner wall surfaces 17c, 17d with a 90 degree discrepancy. An elevating body 37 having a side support wheel 36 on the lower side is arranged.
[0017]
One end of the wire 32 is connected to a wire connecting shaft 25 provided on the extension portion 24 of the piston rod 21, pulled up and hooked on the upper pulley 19, lowered down and hooked on the lower pulley 23. It is lifted up, hung on the upper pulley 18, then lowered again, pulled out from the guide hole 30, and connected to an elevating frame 38 supported by an elevating body 37. The seat 12 is supported on the tip of the lifting frame 38. The upper pulleys 18 and 19 can be adjusted up and down.
[0018]
As shown in FIG. 6, the operating mechanism 39 for connecting the lock pin 7 attaches a lock pin bearing plate 40 to the lower end of the rotating support shaft 1, and inserts the lock pin 7 into a bearing hole 41 provided in the lock pin bearing plate 40. In addition to being vertically slidably fitted, an extension spring 42 is provided on the upper surface of the lock pin bearing plate 40, and the lock pin 7 is constantly urged downward to descend to the inside position lock holes 8, 9 of the disk 10. It is provided to engage.
[0019]
The extension spring 42 is surrounded by support frame 43, adjacent the upper end to the upper inner surface 43a of the support frame 43, is in contact with the lower end washer 44. The washer 44 is attached to the lock pin 7 through a pin 45 so that the pin 45 contacts the lower inner surface 43b of the support frame 43 and does not descend further.
[0020]
A lower handle 47 is pivotally supported on a lower pivot 46 provided on a lower outer periphery of the lifting guide support cylinder 17 and is connected to an upper end of the lock pin 7 via a lower connecting rod 48. the upper handle 50 which is pivotally supported on the upper pivot 49 provided in the intermediate portion outer periphery of 17, are connected with a top portion communication rod 51.
[0021]
Since the present invention is configured as described above, in a state where the seating portion 12 is stored in the passenger compartment 2, the piston rod is operated by the oil operation of the pulling power generation oil cylinder 20 in the elevating guide support cylinder 17. Numeral 21 is reduced to the lowered position to pull up the wire 32, and raises the lifting frame 38 connected to one end thereof to the highest position. Therefore, as shown by the solid line in FIG. 8, the seating portion 12 is arranged. Therefore, it is possible to get down on the seat 12 and get on the seat 12 similarly to the seat in the general passenger compartment.
[0022]
Next, in order to extend the seating portion 12 out of the vehicle, a door (not shown) of the vehicle compartment is opened, and the upper handle 50 is pulled from the interior of the vehicle, for example, to the front, the lock pin 7 is raised, and from outside the vehicle, When the lower handle 47 is lowered and pulled up from the in-vehicle position lock hole 8 of the disk 10, the lock is released, and the seating portion 12 can be turned around the rotary support shaft 1 together with the elevating guide support cylinder 17. The seating portion 12 is sent out from the room entrance 52. Then, the lock pin 7 is re-fitted into the vehicle exterior lock hole 9 of the disk 10, and the elevating guide support cylinder 17 is fixed in that state. When the oil valve (not shown) communicating with the pulling power oil cylinder 20 is operated and released, the load of the seating portion 12 is applied to the piston rod 21, so that the oil is discharged from the pulling power oil cylinder 20. Then, the piston rod 21 rises, the connecting wire 32 is loosened, and the elevating body 37 is lowered until it comes into contact with the bottom surface of the elevating guide support cylinder 17 or the lower end of the opening, and the seating part 12 supported by this is lowered. is there. And it can stand on a road surface directly from the seating part 12 outside a vehicle.
[0023]
Conversely, when the passenger gets into the passenger compartment 2 , the seating portion 12 is lowered and set outside the vehicle in the above-described order, and the user sits down on the seating portion 12 and pulls the seating portion 12 as it is to pull the oil for power. The wire 32 is pulled by the action of the cylinder 20 and the piston lot 21 to raise the elevating body 37 and raise the seating portion. When the upper end reaches a predetermined position, the lower lever or the upper lever is operated to remove the lock pin 7 from the lock position 9 outside the vehicle, and when the lock is free, the elevating guide cylinder is pivoted around the rotating support shaft 1. After pivoting and pivoting the seating portion 12 into the vehicle compartment 2 , the lock pin 7 is again fitted into the in-vehicle position lock hole 8 of the disk 10, and is locked at a predetermined position in the vehicle compartment 2. Things.
[0024]
The embodiments of the present invention lifting device, a case of installing the second half of the bus nearest Ri cabin, can be installed in a general front entrance, turning the vehicle exterior through the entrance to Zajo portion It is possible to move, lock the elevating guide support tube at that position, move up and down the seating portion, and get on or off the vehicle while sitting down on the seat directly from the road surface.
[0025]
【The invention's effect】
The present invention lifting device, because so above, the elevating floor of the passenger compartment as the bus is relatively high from the ground, be required increase the lifting stroke to支架the Zajo portion lift draft the support tube By disposing the body and guiding up and down, a large stroke can be obtained, and the whole can be constructed more compactly than a conventional parallel link type elevating device.
[0026]
By dividing constituting the lifting device to the rotating strut shaft and lift draft within support tube also includes a central support mechanism of the pivot, and a lifting mechanism respectively and exclusively, simple in structure, reliable reduction and facilitation of operation, further locking The operability of the mechanism can be improved.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view of a vehicle elevating device according to the present invention.
FIG. 2 is a right side view of the same.
FIG. 3 is a left side view with a partially cutaway thereof.
FIG. 4 is an enlarged cross-sectional view showing a bearing structure for supporting the upper end of the rotating support shaft.
FIG. 5 is an enlarged cross-sectional view showing a bearing structure for supporting a lower end of the rotary support shaft.
FIG. 6 is a side view showing a seating section turning lock mechanism.
FIG. 7 is a front view of a single disk fitted with a lock pin of the seat-part turning lock mechanism;
FIG. 8 is a front view showing the whole of the vehicle elevating device according to the present invention, in which a temporary line protrudes the seating portion to the outside of the cabin and moves up and down.
FIG. 9 is a side view showing a state in which the seating portion moves up and down.
FIG. 10 also shows a state in which the seat portion turns.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rotating support shaft 2 Cabin 2a Ceiling surface 2b Floor 3 Upper bearing 4 Lower bearing 5 Upper shaft 6 Lower shaft 7 Lock pin 8 Lock hole inside car 9 Lock hole outside car 10 Disk 11 Thrust ball bearing 12 Seat seat 13 Free Joint 14 Oil Pipe 15 Bracket 16 Bracket 17 Elevating Guide Supporting Cylinder 17a Front Inner Wall 17b Rear Inner Wall 17c Left Inner Wall 17d Right Side Inner Wall 18 Upper Pulley 19 Upper Pulley 20 Pulling Oil Cylinder 20a for Power Generation Support Shaft 21 Piston rod 22 Bearing 23 Lower pulley 24 Extension 25 Wire connecting shaft 26 Oil pipe joint 27 Opening 28 Oil pipe joint 29 Pipe 30 Guide hole 30a Vertical hole edge
30b Vertical hole edge 32 Wire 33 Upper front bearing wheel 34 Lower rear bearing wheel 35 Upper side bearing wheel 36 Lower side bearing wheel 37 Elevating body 38 Elevating frame 39 Operating mechanism 40 Lock pin bearing plate 41 Bearing hole 42 Expansion spring 43 Support frame
43a Upper inner surface
43b Lower inner surface 44 Washer 45 Pin 46 Lower pivot 47 Lower handle 48 Lower connecting rod 49 Upper pivot 50 Upper handle 51 Upper connecting rod 52 Vehicle compartment entrance

Claims (4)

The upper and lower ends of the vehicle are supported in the vehicle cabin to rotatably support the rotating support shaft, and a vertically movable guide support cylinder is vertically supported integrally by a bracket on the rotary support shaft, and is rotatably provided together. Inside, an elevating body for supporting an elevating frame to which a seating portion is attached is provided so as to be able to ascend and descend along an inner wall surface, and is provided so as to be able to ascend and descend in relation to a power mechanism built in an elevating guide support cylinder. A lock pin is provided at the lower end of the support shaft so as to move up and down, and a lock hole corresponding to the lock pin and a concentric circle is provided so that the seating portion can be engaged between the inside position and the outside position by turning around the rotation support shaft. in turning-lifting device Zajo portion in the vehicle dual lifting device that secure arrangement, a power mechanism to lower the half inner interior of the lift guide supporting cylinder includes an elongated tension power generation occupying the central portion of the vertical guide support tube Oil cylinder for , The lower end of which is pivotally supported by a support shaft, the piston rod protrudes from the oil cylinder for power generation, a bearing is provided at the tip of the piston rod, the lower pulley is mounted on the shaft, and further extended upward. A wire connecting shaft is provided on the extended portion, and an upper pulley is parallel-supported inside the upper portion of the elevating guide support tube. One end of the wire is connected to a wire connecting shaft provided on the extending portion of the piston rod, and To the upper pulley, lower it to the lower pulley, pull it up and hang it on the upper pulley, then lower it again, pull it out of the guide hole and lift it up and down on the lifting body A rotating / raising / lowering device for a seating portion in a vehicular lifting / lowering device, which is connected to a frame . The upper and lower ends of the vehicle are supported in the vehicle cabin to rotatably support the rotating support shaft, and a vertically movable guide support cylinder is vertically supported integrally by a bracket on the rotary support shaft, and is rotatably provided together. Inside, an elevating body for supporting an elevating frame to which a seating portion is attached is provided so as to be able to ascend and descend along an inner wall surface, and is provided so as to be able to ascend and descend in relation to a power mechanism built in an elevating guide support cylinder. A lock pin is provided at the lower end of the support shaft so as to move up and down, and a lock hole corresponding to the lock pin and a concentric circle is provided so that the seating portion can be engaged between the inside position and the outside position by turning around the rotation support shaft. In the rotating / elevating device of the seating portion of the fixedly arranged vehicle elevating device, the elevating guide support tube has a guide hole having a vertical hole edge parallel to each other on an outer peripheral surface, and the vertical hole is provided. On the front inner wall on both sides of the rim, the power The upper front bearing ring, which contacts and avoids the structure, lower pulley and other related mechanisms, is on the upper side, and the lower rear bearing wheel, which is also on the opposite rear inner wall while avoiding the power mechanism, lower pulley, and other related mechanisms, is downward. The upper side bearing wheel, which is arranged behind the upper front bearing wheel, avoiding the power mechanism, the lower pulley and other related mechanisms, and is in contact with the left and right side inner wall surfaces by 90 degrees incongruity, is also provided on the upper side. Avoiding the power mechanism, the lower pulley and other related mechanisms, an elevating body having a lower side bearing wheel disposed on the lower side which is disposed in front of the lower rear bearing wheel and in contact with the left and right side inner wall surfaces at a 90 degree discrepancy is arranged. rotation-lifting device Zajo portion in the vehicle lifting device, characterized in that there. The upper and lower ends of the vehicle are supported in the vehicle cabin to rotatably support the rotating support shaft, and a vertically movable guide support cylinder is vertically supported integrally by a bracket on the rotary support shaft, and is rotatably provided together. Inside, an elevating body for supporting an elevating frame to which a seating portion is attached is provided so as to be able to ascend and descend along an inner wall surface, and is provided so as to be able to ascend and descend in relation to a power mechanism built in an elevating guide support cylinder. A lock pin is provided at the lower end of the support shaft so as to move up and down, and a lock hole corresponding to the lock pin and a concentric circle is provided so that the seating portion can be engaged between the inside position and the outside position by turning around the rotation support shaft. In the rotating / elevating device of the seating portion of the fixedly arranged vehicle elevating device, the operating mechanism related to the lock pin is such that a lock pin bearing plate is attached to the lower end of the rotating support shaft, and a bearing hole provided in the bearing plate. Lock pin up The slide pin is slidably inserted and an expansion spring is provided on the upper surface of the bearing plate so that the lock pin is constantly urged downward to descend and engage with the lock position inside the vehicle and the lock position outside the disk. Zajo portion of the rotation-lifting device in the vehicle lifting device, characterized in that is provided. The upper and lower ends of the vehicle are supported in the vehicle cabin to rotatably support the rotating support shaft, and a vertically movable guide support cylinder is vertically supported integrally by a bracket on the rotary support shaft, and is rotatably provided together. within, the lifting body to支架a lifting frame fitted with Zajo unit, as well as vertically movable unit along the inner wall surface, in connection with the power mechanism that interior to the vertical guide support tube provided on the elevating self standing, the A lock pin is provided at the lower end of the rotary support shaft so as to move up and down, and a lock hole corresponding to the lock pin and a concentric circle is engaged with the seat portion by turning around the rotary support shaft between the inside position and the outside position. In the rotating / elevating device of the seating part in the vehicle elevating device fixedly arranged in the above, the handle operating mechanism related to the lock pin pivotally supports the lower handle on the lower pivot provided on the lower periphery of the elevating guide support cylinder, The lock pin The upper handle is connected to the upper handle via the lower connecting rod, and the lower handle is connected to the upper handle pivotally supported by the upper pivot provided on the outer periphery of the intermediate portion of the lifting / lowering guide support rectangular tube with the upper connecting rod. A rotating / elevating device for a seating part in a vehicle elevating device.

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