JP2010155552A - Derricking gear of front edge side flapper for vehicular lifting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a derricking gear of a front edge side flapper for a vehicular lifting device that is arranged outside a cabin and under a floor of a vehicle and contained in a storing case, is protruded outward from the storing case to horizontally protrude a platform extending the longitudinal length to a predetermined length when used for lifting, and retracts the platform and is contained in the storing case when stored. <P>SOLUTION: The derricking gear of a front edge side flapper for a vehicular lifting device includes the front edge side flapper 11 pivoted at a front edge 6b1 of the platform 6 and arranged so as to be derricked, a grounding plate 12 similarly pivoted at the front edge 6b1 of the platform 6 and arranged so as to be derricked, an erection link 13 similarly pivoted at the front edge 6b1 of the platform 6, linked to the grounding plate 12, and detachably linked to the front edge side flapper 11, and the storing case 1 arranged under the floor 4 of the vehicle 2 and storing the vehicular lifting device 5 including the platform 6, lifting links 7, 8 and a lifting power device 9. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is housed in a storage box installed outside the vehicle underfloor, and when being used for raising and lowering, the platform is extended outward from the storage box, and the platform is extended horizontally to the required length, and when stored, The present invention relates to a raising / lowering device for a tip side flapper in a vehicle lifting / lowering device accommodated in a storage box by reducing a platform.

  Conventionally, Patent Document 1 discloses a left flap in which the extending portions below the supporting shafts 3 and 3 are integrally connected to the supporting shafts 3 and 3 projecting to the left and right of the front end portion of the platform 1a. A left grounding operation lever 5 having a grounding portion 5a provided at the tip thereof by pivots 6 and 6 provided to support the lever 2a and the right flap lever 2a, respectively, and projecting leftward and rightward from the supporting shafts 3 and 3. The right grounding operation lever 5 is pivotally supported, the connecting shaft 4 provided in the connecting portion 2a1 of the left flap lever 2a, the connecting shaft 4 provided in the connecting portion 2a1 of the right flap lever 2a, and the grounding. The automatic flap of the vehicle elevator that automatically lies down the flapper 2 when the platform is grounded by fitting and connecting the connecting hole 7 on the distal end side of the operating lever 5 and the connecting hole 7 on the distal end side of the right ground operating lever 5. A device has been proposed.

  In Patent Document 2, in a front wheel stop plate 41 that is pivotably supported by a support shaft 44 provided at a tip edge of a platform 30, a connection lever portion that extends downward from the support shaft 44 and includes a connection point C2. The connecting point C2 of the connecting lever part and the connecting point C3 of the operating lever supported by the supporting shaft 73 provided on the platform in front of the supporting shaft 44 are connected by a link 72, and the front wheel stopper plate 41 There has been proposed a raising / lowering device for the front vehicle stop plate 41 that is kept standing and is lowered by a manual operation lever.

Japanese Patent Laid-Open No. 7-300043 JP 2008-110699 A

  2. Description of the Related Art Conventionally, as shown in Patent Document 1, a front side flapper of this type of vehicle elevating device has an extended connecting portion below the support shafts 3 and 3 in the left flap lever 2a and the right flap lever 2a. 2a1. Further, even in the tip side flapper operated by a manual operation lever, a connecting portion below the support shaft of the tip side flapper is integrally provided. Therefore, the vehicle elevating device may be an elevating device that does not restrict the case height, or an elevating device other than the underfloor storage, but in the underfloor retractable elevating device, the height of the storage case is limited, and the grounding operation lever is Projected downward and could not be stored in the case. In addition, the present invention proposes an underfloor retractable vehicle elevating device using a ground plate for improvement because an electric system is easily damaged by electric or hydraulic pressure.

  A tip side flapper that is pivotally supported by the tip of the platform and can be raised and lowered, a grounding plate that is also pivotally supported by the tip of the platform and can be freely raised and lowered, and is also pivotally supported by the tip of the platform. A rising link related to the grounding plate and detachably connected to the tip side flapper, and a vehicle lifting / lowering device disposed under the floor of the vehicle and including the platform, the lifting / lowering link and the lifting / lowering power unit. A raising / lowering device for a tip-side flapper in a vehicle lifting device comprising a storage box.

  The platform is provided from a main platform and a sub-platform, and the tip-side flapper is provided at the tip of the sub-platform, and a stop mechanism provided on the tip-side flapper and a stop contact portion provided on the main platform. The sub-platform may be abutted when the main platform is housed and moved to hold the tip side flapper in an upright state.

  Since the present invention is configured as described above, it can be stored in a storage box installed under the floor of the vehicle by operation of a ground plate with reduced cost, reliable operation, and low failure without using electric or hydraulic pressure. A vehicle lifting device can be proposed.

  The platform 6 is provided from a main platform 6a and a sub-platform 6b, and the tip-side flapper 11 is provided at the tip 6b1 of the sub-platform 6b, and is also pivotally supported by the tip 6b1 of the sub-platform 6b so as to be raised and lowered. The rising link 13 associated with the grounding plate 12 is pivotally supported, the lever portion 13b of the rising link 13 is related to the front end side flapper 11 so as to be freely contacted and separated, and the front side flapper 11 is moved by the operation of the grounding plate 12. While being configured to be able to stand up and being stored in the storage box 1 installed under the floor 4 of the vehicle 2, the rotation stop mechanism 24 provided in the front end side flapper 11 and the rotation stop contact provided in the main platform 6a The front side flapper 11 is kept upright by abutting with the portion 25, and the rising link 13 is The tip end side in the vehicle lifting device in which the ground plate 12 is rotated so as to be free to fall apart from the flapper 11 and the platform 6 in a state in which the sub platform 6b is housed in the main platform 6a is configured to be retractable in the storage box 1. Flapper hoisting device.

  Hereinafter, the raising / lowering device for the front side flapper in the vehicle lifting / lowering device housed in the storage box of the present invention will be described with reference to the embodiments shown in the drawings. The storage box 1 is installed under the floor 4 of the floor surface 3 of the vehicle 2, The lifting / lowering device 5 is provided with a platform 6 composed of a main platform 6a and a sub-platform 6b, lifting links 7, 8 and a lifting / lowering power device section 9. When not in use, the lifting / lowering device 5 is retracted into the main platform 6a and reduced. After that, the main platform 6a, the elevating links 7, 8 and the elevating power unit 9 are moved in a row and stored in the storage box 1. At the time of use, the platform 6 extended from the storage platform 1 by extending the sub-platform 6b from the main platform 6a, the lifting links 7, 8 and a part of the lifting power unit 9 are extended from the storage box 1 and moved up and down.

  The leading-end flapper hoisting device 10 according to the first embodiment of the present invention includes a tip-side flapper 11 that has a base end portion pivotally supported on the tip end portion 6b1 of the sub-platform 6b and can be raised and lowered. A grounding plate 12 that is pivotally supported by the tip 6b1 of the 6b and is arranged to be raised and lowered, and is also pivotally supported by the tip 6b1 of the sub-platform 6b, is related to the grounding plate 12, and is in contact with the tip-side flapper 11. When the startup link 13 related to the separation is provided and the platform 1, the lifting links 7, 8 and the lifting power unit 9 storing the sub platform 6b in the main platform 6a are stored in the storage box 1 in a row, the sub platform is stored. The tip side flapper 11 and the ground plate 12 of 6b are independently rotated.

  The tip side flapper 11 includes a left base end shaft 14a that is integrally coupled to the left base end portion 11a, and a right base end shaft 14b that is integrally coupled to the right base end portion 11b. The base shaft 14b is rotatably supported by bearings 15a and 15b that are respectively provided on the left and right sides of the distal end portion 6b1 of the sub platform 6b. When standing up after being pivoted to the rear side, it collides with the flapper stopper 16 and the standing state is restricted.

  The ground plate 12 has a base end fixed to a support shaft 17 that is rotatably supported behind the bearings 15a and 15b on the left and right sides of the distal end portion 6b1 of the sub-platform 6b, respectively. And a connecting portion 12b that protrudes upward from the middle thereof and includes a connecting shaft 18 in a lateral direction at the upper end. The support shaft 17 has a spring connection ring 19 fixed to the outer periphery, one end of a coil spring 20 wound around the outer periphery of the support shaft 17 connected to the spring connection ring 19, and the other end of the coil spring 20 correspondingly. The entire ground plate 12 connected to the distal end portion 6b1 of the sub-platform 6b and fixed at the base end is urged so that the grounding portion 12a and the connecting portion 12b are rotated downward.

  The rising link 13 has a bearing hole 21 in the center portion 13a, is rotatably supported by the left base shaft 14a and the right base shaft 14b of the tip side flapper 11, and is separated from the center portion 13a. A lever portion 13b connected to the back surface of the contact portion 22 provided on the tip side flapper 11 is formed, and the connecting shaft 18 of the connecting portion 12b in the ground plate 12 is slidable on the other side away from the central portion 13a. A connecting portion 13c having a connecting long hole 23 to be fitted is formed. Since the connecting shaft 18 of the connecting portion 12b of the ground plate 12 is fitted into the connecting long hole 23 of the rising link 13, the rotation by the bias of the coil spring 20 is restricted, and the ground plate 12 maintains a predetermined angle.

  The leading-end flapper hoisting device according to the second embodiment of the present invention is a rotation stop mechanism provided in the tip-side flapper 11 of the sub-platform 6b in the configuration of the leading-end flapper hoisting device 10 according to the first embodiment. 24 and the rotation abutment portion 25 provided on the main platform 6a, the upright side flapper 11 is maintained upright, and the grounding plate 12 is independently rotated from the front side flapper 11 so that the main platform 6a The platform 1 storing the sub-platform 6b, the lifting links 7, 8 and the lifting power unit 9 are stored in the storage box 1 in a row.

  The rotation stop mechanism 24 provided in the distal end side flapper 11 extends to an appropriate length on the outer side of each bearing 15a in the distal end side flapper 11 that supports the left proximal end shaft 14a and the right proximal end shaft 14b. The extension portions 14a1 and 14b1 are configured, and the extension portions 14a1 and 14b1 are fitted with a rotation stopper cylinder 26 having a rotation stop connecting surface 26a on the outer periphery and fixed by screws 27.

  The stop contact portion 25 provided on the main platform 6a has a contact surface 25a that can be moved forward and backward, and corresponds to the movement path of the stop tube 26, and the sub platform 6b serves as the main platform 6a. When the storage cylinder moves, the rotation connection surface 26a of the rotation stop cylinder 26 abuts against the contact surface 25a of the rotation stop contact portion 25, the rotation of the rotation stop cylinder 26 stops, and the left base end shaft of the front side flapper 11 is stopped. 14a and the right base end shaft 14b are fixed in this position, so that the front end side flapper 11 integrated with the left base end shaft 14a and the right base end shaft 14b is held upright. The abutment surface 25a can be adjusted to advance and retract.

  The front-side flapper 11 of the sub-platform 6b is housed in the main platform 6a in an upright state, and the grounding plate 12 that pivots downward and protrudes downward from the main platform 6a is connected to the entrance of the storage box 1 regardless of the front-side flapper 11. The resin bottom plate 28 comes into contact and smoothly rotates, and is stored inside the storage box 1. Then, the cover plate 30 of the entrance / exit 29 is closed and the storing operation is completed.

  As shown in FIG. 5, the left base end shaft 14a that supports the left base end portion 11a of the tip side flapper 11 and the right base end shaft 14b that supports the right base end portion 11b are shown in FIG. Since the outer periphery is cut from the left and right sides and formed on the parallel surfaces 14a11 and 14a11 (the same applies to the right base shaft 14b), a bearing hole having a shape suitable for the shape is formed, and the left base shaft 14a and the right side The base end shaft 14b is integrally fitted.

  Since the lifting device for the tip side flapper in the vehicle lifting and lowering apparatus of the present invention is as described above, it does not depend on electric or hydraulic pressure, so there are few failures caused by rainwater, the mechanism is simple and reliable, and is handled. Is advantageous in terms of manufacturing cost.

It is a whole side view explaining the raising / lowering of the platform of the raising / lowering device for vehicles which provided the raising / lowering apparatus of the front end side flapper of this invention, and the action | operation of a front end side flapper. FIG. 5 is an enlarged partial plan view of the platform portion and the tip-side flapper portion lying down in the tip-side flapper raising / lowering device of the present invention. FIG. 3 is a partially enlarged side view of the portion along the line AA in FIG. 2 in a state in which a tip side flapper is erected. It is a side view of a startup link alone. FIG. 3 is a partially cutaway cross-sectional partial enlarged plan view showing a shaft support structure at the base end of the tip side flapper and a connecting structure of the ground plate, the rising link and the tip side flapper in the lifting device for the tip side flapper according to the present invention. FIG. 6 is a cross-sectional view of the right proximal end support shaft alone along the line BB in FIG. 5. It is a partial expanded side view which shows the action | operation of the front end side flapper in the state which the platform of the vehicle lifting / lowering apparatus which has arrange | positioned the raising / lowering apparatus of the front side flapper of this invention was earth | grounded. Similarly, it is a partial enlarged side view showing an upright maintaining operation of the tip side flapper when the sub-platform where the tip side flapper is installed is housed in the main platform of the platform. Similarly, a part of the operation of the front side flapper when the platform is composed of the sub platform and the main platform, the hoisting device of the front side flapper is arranged on the sub platform, and the main platform containing the sub platform is stored in the storage box. It is a cross-sectional enlarged side view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Storage box 2 Vehicle 3 Floor surface 4 Underfloor 5 Vehicle raising / lowering device 6 Platform 6a Main platform 6b Subplatform 6b1 Tip part 7 Lifting link 8 Lifting link 9 Lifting power device part 10 Tip side flapper hoisting device 11 Tip side flapper 11a Left side Base part 11b Right side base part 12 Ground plate 12a Ground part 12b Linking part 13 Rising link 13a Central part 13b Lever part 13c Linking part 14a Left base axis 14a1 Extension part 14a11 Parallel surface 14b Right base axis 15a Bearing 15b Bearing 16 Flapper stopper 17 Support shaft 18 Connecting shaft 19 Spring connecting ring 20 Coil spring 21 Bearing hole 22 Abutting portion 23 Connecting long hole 24 Stop mechanism 25 Stop contact portion 25a Contact surface 26 Stop cylinder 26a Stop connection surface 27 Screw 28 Resin bottom plate 2 9 Doorway 30 Cover plate

Claims (2)

  The tip side flapper 11 that is pivotally supported by the tip portion 6b1 of the platform 6 and that can be raised and lowered, the grounding plate 12 that is also pivotally supported by the tip portion 6b1 of the platform 6 and that can be raised and lowered, and the platform 6 A rising link 13 that is pivotally supported by the front end portion 6b1, is related to the grounding plate 12, and is connected to the front end side flapper 11 so as to be freely separated from and connected to the front end side flapper 11. 7 is a lifting device for a front-end flapper in a vehicle lifting device including a storage box 1 that houses a vehicle lifting device 5 including 7 and 8 and a lifting power device unit 9.   The platform 6 is provided by a main platform 6a and a sub platform 6b, and the tip side flapper 11 is provided at a tip portion 6b1 of the sub platform 6b, and the rotation stop mechanism 24 provided on the tip side flapper 11 and the main platform 6a. The raising / lowering device of the front end side flapper in the vehicle lifting / lowering device according to claim 1, wherein the rotation stop contact portion 25 and the sub platform 6 b disposed on the main platform 6 a are brought into contact with each other to hold and move the front side flapper 11 in an upright state. .

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