JPH0635532U - Safety device for two-tiered parking lot - Google Patents

Abstract

(57) [Abstract] [Purpose] A safety device with a simple structure and a small number of parts is used in a two-tiered parking lot in which the base plate is moved to an upper position and a lower position by opening and closing the pivot. provide. [Structure] A hook 21 is rotatably attached to the moving end of the column 4. The engagement pin 25 is fixedly installed on the guide rail 1 that guides the moving end of the support column 4, and when the base plate is moved and arranged in the upper position, the engagement pin 25 and the latch hook 2 are provided.
By engaging with 1, the base plate is hooked and held in the upper position. When the closing body 26 is rotatably mounted on the hooking hook 21, and the hooking hook 21 is disengaged from the engaging pin 25 as the moving end of the support column 4 moves, the closing body 26 causes the hooking hook 21 to move. The tip hook portion 23 is closed to allow the base plate to be moved to the lower position side thereafter.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a safety device for a two-stage parking lot.

[0002]

[Prior art]

 Generally, a two-tiered parking lot having a structure as shown in FIGS. 7 and 8 is known.

That is, the pair of guide rails 1 are laid on the floor surface 2 of the parking lot and extend substantially parallel to the horizontal direction. The pair of columns 3 and 4 are rotatably connected to each other by a support shaft 5 at the center thereof, and the lower end of one column 3 is rotatably attached to the rear end of the guide rail 1. The guide roller 6 is rotatably attached to the lower end of the other column 4 via a support pin 7, and the guide roller 6 is moved along the guide rail 1 as the columns 3 and 4 are opened and closed. The base plate 8 is rotatably attached between the upper ends of the columns 4 on both sides of the rear end. The sliding plate 9 is slidably attached to the lower surface of the base plate 8, and the upper ends of the columns 3 are connected to both sides of the front end of the sliding plate 9.

The hydraulic cylinder 10 is rotatably attached to the upper end of the support column 4 at the base end, and the tip of the piston rod 11 is connected to the opposing support column 3. Then, when the piston rod 11 of the hydraulic cylinder 10 is projected, as shown in FIGS. 7 and 8, the columns 3 and 4 are pivoted with their legs closed and the base plate 8 is moved to an upper position. When the piston rod 11 of the hydraulic cylinder 10 is retracted, the columns 3 and 4 are pivoted to open the base plate 8 to move to the lower position.

In a conventional two-tiered parking lot of this type, a safety device as shown in, for example, FIGS. 9 to 12 is provided, and the base plate 8 is held and retained while being moved and arranged in an upper position. It has become so.

That is, the hook 12 is rotatably attached to the support pin 7 at the lower end of the column 4 at the base end, and the hook 13 and the operating pin 14 are provided at the tip thereof. A pair of support plates 15 are erected on the guide rail 1, and an engagement pin 16 and a guide plate 17 are erected and supported between the support plates 15. With the closed legs of the columns 3 and 4, the guide roller 6 at the lower end of the column 4 is moved rearward along the guide rail 1, and the base plate 8 is moved to the upper position. At this time, as shown in FIG. 9, the hook 12 engages with the engaging pin 16 via the guide plate 17, and the base plate 8 is held and held at the upper position.

The pair of restriction plates 19 are rotatably attached to the inner surfaces of both support plates 15 at their base ends. The fixed support plate 18 is fixedly supported between the both support plates 15 and supports the tip of the regulation plate 19. Then, when the lower end portion of the support column 4 is further moved rearward with the hooking hook 12 and the engaging pin 16 shown in FIG. 9 engaged, the hooking hook 12 engages as shown in FIG. The pin 16 is disengaged.

At this time, the regulation plate 19 is rotated counterclockwise via the operation pin 14, and the latch hook 12 is held in a state of being disengaged from the engagement pin 16. Further, when the hook 12 is moved rearward, the operation pin 14 is released from the locked state with the regulation plate 19, so that the regulation plate 19 rotates clockwise due to its own weight, and the tip thereof is moved. It abuts the fixed support plate 19. From this state, when the support columns 3 and 4 are pivoted to open the legs and the guide roller 6 at the lower end of the support column 4 is moved forward along the guide rail 1, the operating pin 14 guides on the control plate 19. Therefore, the tip hook portion 13 of the hook 12 moves and passes over the engaging pin 16 without engaging with the engaging pin 16, and the base plate 8 is moved to the lower position.

[0009]

[Problems to be solved by the device]

 However, in this conventional two-stage parking lot safety device, since the fixed support plate 18 and the regulation plate 19 are provided in order to hold the hook 12 in the state of being disengaged from the engagement pin 16, There was a problem that the structure was complicated, the number of parts was large, and assembly was troublesome.

The present invention has been made by paying attention to the problems existing in such a conventional technique, and its purpose is to simplify the structure and reduce the number of parts, and It is to provide a safety device for a two-tiered parking lot that can be easily assembled.

[0011]

[Means for Solving the Problems]

 In order to achieve the above object, according to the present invention, a pair of pillars that are openably and closably connected to each other support a base plate in a vertically movable manner, and the moving end of one pillar is almost horizontal along a guide rail. In the two-tiered parking lot in which the base plate is moved and arranged in the upper position and the lower position by being moved in the direction, a hook hook rotatably attached to the moving end of the pillar is provided. , Fixed on the guide rail, and when the base plate is moved and arranged in the upper position, the engaging pin engages with the hook to hold the base plate in the upper position, and the moving end of the column. With a closing body rotatably mounted on the hook so that the hook end of the hook is closed when the hook disengages from the engagement pin due to the movement of the hook. Is.

[0012]

[Action]

 In the safety device for a two-tiered parking lot configured as described above, when the support pillar is rotated to close the leg and the base plate is moved to the upper position, the moving end of the support pillar engages along the guide rail. The pin is moved closer to the pin side, the hooks engage the engaging pins, and the base plate is hooked and held in the upward direction. Therefore, the base plate is held in a safe state so as not to descend unnecessarily in the upper position.

Further, when it is desired to lower the base plate from the upper position to the lower position, when the support pillar is further rotated by closing the legs, and the moving end portion of the support pillar is slightly moved in the same direction as the above, the latch is stopped. The hook is disengaged from the engaging pin. After that, when the support pillar is pivoted to open the legs and the base plate starts to descend from the upper position, the closing body engages with the engaging pin and is pivotally arranged in a position to close the tip hook portion of the hook. It Therefore, the latch hook passes through the position corresponding to the engagement pin without engaging with the engagement pin, and the base plate is moved to the lower position without any trouble.

[0014]

【Example】

 An embodiment of a safety device for a two-stage parking lot embodying the present invention will be described below in detail with reference to FIGS.

In this embodiment, similarly to the two-tiered parking lot shown in FIGS. 7 and 8 described above, the guide roller 6 can be rotated to the lower end portion of one of the columns 4 via the support pin 7. Is attached to. Then, when the support columns 3 and 4 are opened / closed and rotated and the base plate 8 is moved and arranged in the upper position and the lower position, the guide roller 6 is rotationally moved rearward or forward along the guide rail 1. .

As shown in FIGS. 1 to 3, the hook 21 is rotatably attached to the support pin 7 at the lower end of the column 4 at the base end, and the first inclined cam surface 22, at the tip thereof. A hook portion 23 and a second inclined cam surface 24 are provided. The engagement pin 25 is erected and fixed between both side walls of the guide rail 1 so as to correspond to the movement path of the hook 21. When the guide rollers 6 at the lower end of the support columns 4 are moved rearward along the guide rails 1 as the legs 3 and 4 are rotated to close the legs, the base plate 8 is moved to the upper position. As shown in FIG. 1, the hook portion 23 of the hooking hook 21 is engaged with the engaging pin 25, and the base plate 8 is hooked and held at the upper position.

The closing body 26 is rotatably attached to one side surface of the front end of the hook 21 via a mounting bolt 27 and a collar 28, and a pair of engagement cam surfaces 29 are provided on both sides of the front end. There is. The stop bolt 30 is provided so as to project from one side surface of the tip of the hook 21 and is arranged so as to be engageable with the closing body 26. Then, as shown in FIG. 6, after the hook portion 23 of the locking hook 21 is disengaged from the engagement pin 25, the closing body 26 is engaged with the engagement pin 25, and the position is regulated by the stop bolt 30. The hook portion 23 of the hook 21 is closed by pivoting up to.

Next, the operation of the safety device for the two-stage parking lot configured as described above will be described. Now, in the two-tiered parking lot shown in FIGS. 7 and 8, with the base plate 8 arranged at the lower position, after the automobile is placed on the base plate 8, the piston rod of the hydraulic cylinder 10 is placed. When the projecting operation of 11 is performed, the support columns 3 and 4 are pivoted with their legs closed, and the base plate 8 is moved and arranged in the upward direction. At this time, as shown in FIG. 4, the guide roller 6 at the lower end of the support column 4 is moved toward the engagement pin 25 side along the guide rail 1 so that the engagement pin 25 moves toward the first inclination of the hook 21. The hook 21 is engaged with the cam surface 22 and rotated in the counterclockwise direction. After that, as shown in FIG. 1, the engagement pin 25 engages with the hook portion 23 of the hook 21 to prevent the legs 3 and 4 from pivoting, and the base plate 8 is hooked to the upper position. It is retained. Therefore, the base plate 8 is held in a safe state so as not to descend unnecessarily in the upper position.

Further, when lowering the base plate 8 from the upper position to the lower position, the piston rod 11 of the hydraulic cylinder 10 is slightly protruded from the state shown in FIGS. Is further closed and rotated. As a result, the guide roller 6 at the lower end of the support column 4 is further moved from the state shown in FIG. 1 to the engaging pin 25 side, and the engaging pin 25 causes the hook portion of the hook 21 to move as shown by the solid line in FIG. It is dissociated from 23. Then, as shown by the chain line in FIG. 5, the engaging pin 25 is relatively moved while engaging with the second inclined cam surface 24 of the hook 21 and the engaging cam surface 29 of the closing body 26 is engaged with the engaging pin 25. When disengaged from, the closure 26 is pivoted to the vertical position.

After that, when the piston rod 11 of the hydraulic cylinder 10 is retracted, the columns 3 and 4 are pivoted to open the legs, and the base plate 8 starts to descend from the upper position. At this time, as shown in FIG. 6, the guide roller 6 at the lower end of the support column 4 is moved along the guide rail 1 in the direction away from the engagement pin 25, and the engagement pin 25 is engaged with the engagement cam of the closing body 26. Engage surface 29. As a result, the closing body 26 is rotated to the position regulated by the stop bolt 30, and the hook portion 23 of the hook 21 is closed. Therefore, as the supporting columns 3 and 4 rotate with their legs open, the latch hook 21 does not engage with the engaging pin 25, but passes through the position corresponding to the engaging pin 25, and the base plate 8 moves to the lower position. It will be moved and placed without any problem.

As described above, in the safety device for the two-tiered parking lot of this embodiment, the closing body 26 is provided on the hooking hook 21, and by this closing body 26, the tip hook of the hanging hook 21 is hooked. The part 23 is adapted to be closed. Therefore, as shown in FIGS. 9 to 11, a conventional device provided with a plurality of members such as a fixed support plate 18 and a regulation plate 19 in order to hold the hook 12 in a state of being disengaged from the engagement pin 16. In comparison, the structure is simple, the number of parts can be reduced, and the assembly can be performed easily.

The present invention is not limited to the configuration of the above embodiment, and for example, the first inclined cam surface 22 and the second inclined cam surface 24 of the hook 21 may be curved surfaces, or the closing member 26 may be used. The engaging cam surface 29 may be formed in an arc shape or the like, and the configuration of each part may be arbitrarily changed and embodied without departing from the spirit of the invention.

[0023]

[Effect of device]

 Since the present invention is configured as described above, it has an excellent effect that the structure is simple, the number of parts can be reduced, and the assembling can be easily performed.

[Brief description of drawings]

FIG. 1 is a partial sectional view showing an embodiment of a safety device for a two-stage parking lot embodying the present invention.

FIG. 2 is a partially cutaway plan view of the safety device.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a partial cross-sectional view showing an operation process in which the latch hook engages with the engagement pin in the safety device shown in FIG.

FIG. 5 is a partial cross-sectional view showing an operation process in which the latch hook disengages from the engagement pin in the same safety device.

FIG. 6 is a partial cross-sectional view showing a state in which the hook is further advanced from the state of FIG. 5 in the operation process of disengaging the hook from the engagement pin.

FIG. 7 is a side view showing the overall configuration of a general two-stage parking lot.

FIG. 8 is a front view of the two-stage parking lot.

FIG. 9 is a partial sectional view of a conventional safety device for a two-stage parking lot.

FIG. 10 is a partial plan view of the safety device.

FIG. 11 is a partial cross-sectional view showing an operation process of disengaging the hook from the engagement pin in the safety device shown in FIG. 9.

FIG. 12 is a partial cross-sectional view showing a process in which the latch hook moves in a state of being disengaged from the engagement pin.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Guide rail, 3 ... Strut, 4 ... Strut, 6 ... Guide roller, 8 ... Base plate, 21 ... Hook, 23 ... Hook part,
25 ... Engagement pin, 26 ... Closure body.

Claims (1)

[Scope of utility model registration request] 1. A pair of pillars openably and closably connected at a central portion support a base plate so that the pillar can be moved up and down, and a moving end portion of one pillar is moved in a substantially horizontal direction along a guide rail. In a two-tiered parking lot in which a base plate is arranged to be moved between an upper position and a lower position, a hook that is rotatably attached to a moving end of the pillar and a fixed hook on the guide rail. When the base plate is moved and disposed at the upper position, the engagement pin engages with the locking hook to lock and hold the base plate at the upper position, and the locking hook along with the movement of the moving end of the column. And a closing body rotatably mounted on the hook so that the tip hook portion of the hook is closed when the hook disengages from the engaging pin. Safety device