JP2535977Y2 - Two-tiered parking lot safety device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a safety device for a two-stage parking lot.

[0002]

2. Description of the Related Art In general, a two-stage parking lot having a structure as shown in FIGS. 7 and 8 is known.

That is, a pair of guide rails 1 are laid on a floor 2 of a parking lot and extend substantially in parallel in a horizontal direction. The pair of columns 3 and 4 are pivotally connected to each other by a pivot 5 at a central portion, 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 the support pin 7, and the guide roller 6 is moved along the guide rail 1 with the opening and closing operation of the columns 3 and 4. The base plate 8 is rotatably mounted between the upper ends of the columns 4 on both sides of the rear end, and the middle portion is supported by the upper ends of the columns 3.
Have .

[0004] A hydraulic cylinder 10 is rotatably mounted at the base end to the upper end of the column 4 and has a piston rod 1.
One end is connected to the opposing column 3. And
When the piston rod 11 of the hydraulic cylinder 10 is protruded, as shown in FIGS.
The base plate 8 is moved to the upper position by rotating the legs 4 closed. Also, when the piston rod 11 of the hydraulic cylinder 10 is immersed, the columns 3 and 4 are pivoted open, and the base plate 8 is moved to the lower position.

In this type of conventional two-stage parking lot,
For example, safety devices as shown in FIGS. 9 to 12 are provided,
The base plate 8 is latched and held in a state of being moved and arranged at an upper position.

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. A pair of support plates 15 are erected on the guide rail 1, and an engagement pin 16 and a guide plate 17 are supported between the two support plates 15. Then, as the legs 3 and 4 are closed, 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.
The hook 12 engages with the engaging pin 16 via the guide plate 17, and the base plate 8 is latched and held at the upper position.

[0007] A pair of regulating plates 19 are rotatably attached to the inner surfaces of both supporting plates 15 at the base ends. The fixed support plate 18 is fixedly supported between the two support plates 15 and
9 are supported. Then, when the lower end portion of the support column 4 is further moved rearward in the engagement state of the hook 12 and the engagement pin 16 shown in FIG. 9, as shown in FIG.
The hook 12 is disengaged from the engagement pin 16.

At this time, the regulating plate 1 is
9 is rotated counterclockwise, and the hook 12 is held in a state of being detached from the engaging pin 16. Further, when the hook 12 is moved backward, the operating pin 14 is moved to the regulating plate 19.
Is released, the regulating plate 19 is rotated clockwise by its own weight, and its tip comes into contact with the fixed support plate 18 . From this state, the columns 3, 4 are pivoted open,
When the guide roller 6 at the lower end of the column 4 is moved forward along the guide rail 1, the operating pin 14
Since it is guided above, the tip hook portion 1 of the hook 12
3 moves above the engagement pin 16 without engaging with the engagement pin 16, and the base plate 8 is moved to the lower position.

[0009]

However, in the conventional safety device for a two-stage parking lot, in order to keep the hook 12 detached from the engaging pin 16, a fixed support plate 18 and a regulating device are required. Since the plate 19 is provided, there is a problem that the structure is complicated, the number of parts is increased, and assembly is troublesome.

The present invention has been made in view of the problems existing in the prior art, and its purpose is to simplify the structure and reduce the number of parts. An object of the present invention is to provide a safety device for a two-stage parking lot that can be easily assembled.

[0011]

In order to achieve the above-mentioned object, according to the present invention, a base plate is supported by a pair of columns which can be opened and closed at a central portion so as to be able to move up and down. In a two-stage parking lot in which the base plate is moved to the upper position and the lower position by the part being moved in a substantially horizontal direction along the guide rail, at one end at the moving end of the support post It is rotatably mounted , has a downward hook at the other end, and has the hook
A hook having a cam surface at a portion closer to the rotation fulcrum than the hook portion, and fixed on the guide rail, and when the base plate is moved to the upper position, it is moved forward by the movement of the moving end of the column.
Period latching hook engaging with an engaging pin for engaging retaining the base plate in the upper position, the top in a position corresponding to the hook portion
The end is pivotally supported by a hook hook and is naturally lead-free.
As it hangs down directly,
With the movement of the hook due to the movement, the lower end
The hook can be moved to a position to close the hook
A closing body, and the closing body is arranged at a position for closing the hook portion.
Engages with the closing body and regulates the closing body to the closed position.
Stop bolt and a closure formed at the lower end of the closure
Movement of the hook when the hook is closed
And an engagement cam surface that moves on the engagement pin.
As the column moves once to ascend from
The hanging hook that does not have it is moved in one direction,
When the cam surface of the hook engages with the engagement pin, the hook
When the condition is released, the closure moves over the engagement pin.
So that it falls down vertically, and then the base plate descends.
The hanging hook is moved as the pillar moves, and it closes.
When the body is pivoted to the position to close the hook, the closing body
Closes the engagement pin and hook, and stops
To the closed position.
Closed due to the movement of the hook due to the
The surface of the chain is configured to move on the engagement pin.
It is .

[0012]

In the safety device for a two-stage parking lot constructed as described above, when the support is closed and pivoted and the base plate is moved to the upper position, the moving end of the support is moved along the guide rail. The base plate is moved closer to the engaging pin, the engaging hook engages with the engaging pin, and the base plate is latched and held at the upper position. Therefore,
The base plate is held in a safe state so as not to drop unnecessarily in the upper position.

When it is desired to lower the base plate from the upper position to the lower position, the support post is further closed and the moving end of the support post is slightly moved in the same direction as described above. Is disengaged from the engagement pin. Thereafter, when the support column is opened and the base plate starts to be lowered from the upper position, the closing body is engaged with the engagement pin and is rotated and arranged at a position to close the tip hook portion of the hook. . Therefore, the hook hook passes through the position corresponding to the engagement pin without engaging with the engagement pin, and the base plate is moved and arranged at the lower position without any trouble.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One 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-stage parking lot shown in FIGS. 7 and 8, the guide roller 6 is rotatable to the lower end of one of the columns 4 via the support pin 7. Installed. When the columns 3 and 4 are opened and closed and the base plate 8 is moved and arranged at the upper position and the lower position, the guide roller 6 is rotated rearward or forward along the guide rail 1.

As shown in FIG. 1 to FIG.
The pivotally mounted on the support pins 7 of the lower end of the strut 4 in the proximal, is rotation fulcrum at its front end lower portion
The second inclined cam surfaces 2 4 from the supporting pin 7 in order, the hook portion 23
And the first inclined cam surfaces 2 2 are provided. Engagement pin 2
Reference numeral 5 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. And
With the rotation of the legs 3 and 4 for closing the legs, the guide roller 6 at the lower end of the column 4 is moved rearward along the guide rail 1,
When the base plate 8 is moved to the upper position, as shown in FIG. 1, the hook portion 23 of the hook 21 engages with the engaging pin 25, and the base plate 8 is hooked and held at the upper position. You.

The closing body 26 has an upper end corresponding to the hook 23 on one side of the tip of the hook 21.
Rotatably pivoted is in the upper as hang vertically in a natural state through the mounting bolts 27 and collar 28 to
It is a pair of engagement cam surfaces 29 is provided on its lower end opposite ends. The stop bolt 30 protrudes from one end of the hook hook 21 and is opposed to the closing body 26 so as to be engaged therewith. Then, as shown in FIG. 6, after the hook portion 23 of the hook 21 is disengaged from the engagement pin 25,
6 is engaged with the engagement pin 25, and the stop bolt 30
The hook portion 23 of the hook 21 is closed.

Next, the operation of the safety device for a two-stage parking lot constructed as described above will be described. Now, in the two-stage parking lot shown in FIGS. 7 and 8, after the vehicle is placed on the base plate 8 in a state where the base plate 8 is disposed at the lower position, the piston rod 11 of the hydraulic cylinder 10 Is projected, the columns 3 and 4 are closed and pivoted, and the base plate 8 is moved to the upper position. At this time, as shown in FIG. 4, the guide roller 6 at the lower end of the column 4 is moved closer to the engagement pin 25 along the guide rail 1, and the hook 21 is moved.
The engaging pin 25 is moved rearward and the first
The engaging hook 21 is rotated counterclockwise by engaging the inclined cam surface 22. Thereafter, as shown in FIG. 1, the engagement pin 25 engages with the hook portion 23 of the hook 21,
Closed legs rotation of the strut 3 and 4 is prevented, the base plate 8 is latched held in the upper position. Therefore, the base plate 8 is held in a safe state so as not to drop unnecessarily at the upper position.

Further, when lowering the lower position of the base plate 8 from the upper position, the piston rod 11 of the hydraulic cylinder 10 is slightly protruded operation from the state shown in FIGS. 7 and 8, the struts 3, 4 once The legs are rotated. Thereby, the latching hook 21 from the state in which the guide roller 6 of the lower end of the strut 4 are shown in Figure 1 is further moved to the engagement pin 25 side
Is also moved in the same direction, and the engaging pin 25 is disengaged from the hook portion 23 of the hook 21 as shown by the solid line in FIG.
Thus, the locked state of the two 25 and 23 is released. And
As shown by a chain line in FIG.
1 while being engaged with the first second inclined cam surface 24.
As a result, the hook 21 is moved by the action of the second inclined cam surface 24.
When the closing body 26 is rotated upward and the engagement cam surface 29 of the closing body 26 is released from the engagement with the engaging pin 25, the closing body 26 is rotated to the vertical position.

Thereafter, when the piston rod 11 of the hydraulic cylinder 10 is immersed, the columns 3 and 4 are opened 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 column 4 is moved along the guide rail 1 in a direction away from the engaging pin 25, and the engaging pin 25 is moved to the engaging cam surface 2 of the closing body 26.
9 is engaged. As a result, the closing body 26 is rotated to a position regulated by the stop bolt 30, and the hook 2
One hook 23 is closed. Accordingly, with the pivotal movement of the legs 3 and 4, the hook 21 passes through the position corresponding to the engaging pin 25 without engaging with the engaging pin 25 . The engagement cam surface 29 is the engagement pin 2
5, and the base plate 8 is moved and arranged at the lower position without any trouble.

As described above, in the safety device for a two-stage parking lot of this embodiment, the closing body 26
Is provided, and the distal end hook portion 23 of the hook 21 is closed by the closing body 26. Therefore, as shown in FIGS. 9 to 11, in order to hold the hook 12 detached from the engaging pin 16, a conventional device provided with a plurality of members such as a fixed support plate 18 and a regulating plate 19 is provided. In comparison, the structure is simple, the number of parts can be reduced, and the assembling can be performed easily.

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

[0023]

According to the present invention, since the present invention is constructed 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 the 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 broken plan view of the safety device.

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

FIG. 4 is a partial cross-sectional view showing an operation process in which a hook engages with an engaging pin in the safety device shown in FIG. 1;

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

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

FIG. 7 is a side view showing the entire 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 in which the hook is disengaged 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 hook is moved while being disengaged from the engagement pin.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Guide rail, 3 ... Post, 4 ... Post, 6 ... Guide roller, 7 ... Support pin as rotation fulcrum, 8 ... Base plate, 21
… Hook hook, 23… Hook part, 24… Cam surface
Second inclined cam surface, 25: engaging pin, 26: closing body, 29
... engagement cam surface, 30 ... stop bolt .

Claims (1)

(57) [Scope of request for utility model registration] 1. A base plate is supported by a pair of columns that are openably and closably connected at a central portion so as to be able to move up and down, and a moving end of one column is moved in a substantially horizontal direction along a guide rail. In a two-stage parking lot in which the base plate is moved and arranged at an upper position and a lower position, the one end is rotatably attached at one end to the moving end of the support , and the other end has a downward hook portion. The said
A locking hook having a cam surface at a portion closer to the rotation fulcrum than the hook portion, and fixed on the guide rail, when the base plate is moved to the upper position, the movement of the moving end of the support post engages the year latching hook engaging pin hooking holds the base plate to the upper position, the upper end portion at a position corresponding to the hook portion is hooked fluoride
Pivotally supported by the hook and hang vertically in a natural state
At the same time, it is locked by the movement of the pillar as the base plate moves up and down
As the hook moves, the lower end engages with the
A closing body movable to a position for closing the hook part, and when the closing body is disposed at a position for closing the hook part,
Stop that engages the closure and regulates the closure in the closed position
Closure of the hook part with the bolt and the closure body formed at the lower end of the closure body
On the engaging pin by the movement of the hook
The support post moves so that the base plate once rises from the upper position.
The hook is moved in one direction.
When the cam surface of the hook is engaged with the engaging pin, the hook
When the lock is released, the closing body is
Hang over vertically, then the base plate descends
The hook is moved as the support moves.
When the closing body is rotated to the position to close the hook
When the closing body closes the engaging pin and hook,
Engaged with the stop bolt, it is restricted to the closed position,
Movement of the hook due to the movement of the support in the direction of descending the base plate
Movement of said surface of the closure over the engagement pin
A two-tiered parking lot safety device.