JP2909419B2 - Evacuation structure for cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover retracting structure.

[0002]

2. Description of the Related Art Conventionally, for example, a two-story parking device 81 shown in FIG. 7 is capable of parking two cars in the space of one car by parking the cars in upper and lower two stages. . The parking device 81 includes a parking space 82 for parking a car on the ground, and a pallet 8 formed in a rectangular flat plate shape in the parking space 82.
3 are provided.

[0003] Above the parking space 82, a suspension frame 85 supported by columns 84 is provided. A drive shaft 86 extending in a direction perpendicular to the plane of FIG. 7 is rotatably supported at the right end of the suspension frame 85.
An electric motor 87 is provided on the upper surface of the right end of the suspension frame 85.
The output shaft 87 a of the electric motor 87 is drivingly connected to the drive shaft 86. In the suspension frame 85, a roller 88 is rotatably supported at a position corresponding to each corner of the pallet 83.

A lower end of a chain 89 is connected to each corner of the pallet 83. This chain 89
Is coated with lubricating oil. A chain 89 is mounted above the rollers 88 corresponding to the corners of the pallet 83, and the upper end of the chain 89 is connected to the drive shaft 86. Then, when the electric motor 87 is driven to rotate the output shaft 87a, the drive shaft 86 is rotated with the rotation of the output shaft 87a, and each chain 89 is wound up or fed out in synchronization. I have.

In FIG. 7, the chain 8 located on the left
9, a pair of upper and lower covers 90a, 90b
9 is provided so as to extend. As shown in FIG. 8, the covers 90a and 90b are formed in a U-shape in a flat cross section, and the openings of the covers 90a and 90b open toward the left side in FIG. The chain 89 is surrounded by covers 90a and 90b.

On the lower surface of the suspension frame 85, a support shaft 91 extending in the horizontal direction is provided at a position corresponding to the upper end of the upper cover 90a, and the cover 90a is rotatable about the support shaft 91. I have. In the pallet 83, a support shaft 92 is provided at a position corresponding to the lower end of the lower cover 90b, and the cover 90b is rotatable about the support shaft 92. Further, the lower end of the cover 90a and the upper end of the cover 90b are connected by a pin 93 extending in the horizontal direction, and are rotatable around the pin 93.

Accordingly, when each chain 89 is wound up and the pallet 83 is raised from the ground position P1 shown by the solid line in FIG. 7 to the rising position P2 shown by the two-dot chain line, the covers 90a and 90b Rotating around the center 92, the lower end of the cover 90a and the upper end of the cover 90b move rightward in FIG. Then, the pallet 83 is moved to the raised position P2.
7, the covers 90a and 90b are folded in two as shown by the two-dot chain line in FIG.
Retreat to a position away from 9. These covers 90a, 90
b, the pallet 83 is lifted up by the cover 90.
a, 90b. The height H1 of the parking space 82 between the elevation position P2 and the ground position P1 is set to a value larger than the total height of the vehicle.

In order to park a car in the parking device 81 configured as described above, the car is driven into a storage space 82 and the car is stopped on a pallet 83 located on the ground. After the car stops on the pallet 83,
A driver who has driven the car gets off the car. At this time, the covers 90a and 90b provided so as to surround the chain 89 can prevent the lubricating oil applied to the chain 89 from adhering to the clothes of the driver. Thereafter, the pallet 83 on which the vehicle is mounted is raised to the raising position P2, and then another vehicle is loaded into the storage space 82, so that the vehicle is parked in the parking device 81 in the upper and lower stages.

[0009]

However, in the retreat structure of the covers 90a, 90b, the covers 90a, 90b
Is retracted to a position away from the chain 89 by being folded into two. Therefore, the covers 90a, 90
Since the height H2 of the evacuation space for evacuation of b must be set to a value that allows the two folded covers 90a and 90b to be sufficiently evacuation, the height H2 of the evacuation space is set.
Becomes large. And the height H of the evacuation space
2 has a problem that the parking device 81 becomes large in the vertical direction.

The present invention has been made to solve the above problems, and a first object of the present invention is to reduce a retreat space for retreating a cover. A second object is to enable the tilted cover to be easily returned to an upright state.

It is a third object of the present invention to reliably urge the cover in the upright direction when the cover is repeatedly rotated.

[0012]

In order to achieve the above object, according to the first aspect of the present invention, in particular, the cover is formed in a single elongated shape extending along the hanging direction of the hanging member. A guide portion is provided for rotatably supporting the cover so as to tilt or stand up, and contacting the cover when the hanging member is wound up and rotating the cover in a tilting direction, and further the hanging member is extended. A return means is provided for returning the cover, which has been tilted when it is dropped, to an upright state.

[0013] In the second aspect of the present invention, the return means is an urging means for urging the cover in an upright direction.
In the third aspect of the present invention, the cover is rotatably supported around a support shaft extending in the horizontal direction, and the biasing means is a weight provided at a lower end side of the support shaft of the cover.

That is, according to the first aspect of the present invention, when the suspension member is taken up and the lifting member is raised, the upper end of the cover extending along the suspension direction of the suspension member comes into contact with the guide portion. Then, when the winding of the suspension member is further continued, the cover is rotated in a direction inclining by contact with the guide portion. When the cover falls down, it is retracted to a position that does not hinder the lifting of the lifting member. In this state, when the suspension member is extended, the cover that has fallen due to contact with the guide section is separated from the guide section. When the cover is separated from the guide portion, the cover is rotated in the direction in which the cover stands up by the return means, returns to the original position, and returns to the state where the suspension member extends along the cover.

According to the second aspect of the present invention, in addition to the operation of the first aspect, the urging means always urges the cover in a direction for erecting the cover.
The cover is turned in the direction in which the cover stands up by the urging force of the urging means.

According to the third aspect of the present invention, in addition to the operation of the second aspect of the invention, when the cover is separated from the guide portion, the gravitational load acting on the weight provided at the lower end side of the support shaft of the cover causes the cover. Rotates about the support shaft in the direction in which it stands.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment in which the present invention is embodied in a cover of a parking device will be described below with reference to FIGS.

As shown in FIG. 1, the parking device 11 has a parking space 12 for parking a car on the ground. In the parking space 12, a pallet 13 formed in a rectangular flat plate shape is provided as an elevating member. ing. Above the parking space 12, a suspension frame 15 supported by a support post 14 is provided. A drive shaft 16 extending in a direction perpendicular to the plane of FIG. 1 is rotatably supported at the right end of the suspension frame 15. An electric motor 17 is provided on the upper surface of the right end of the suspension frame 15.
The output shaft 17a is drivingly connected to the drive shaft 16. In the suspension frame 15, a roller 18 is rotatably supported at a position corresponding to each corner of the pallet 13.

A lower end of a chain 19 as a hanging member is connected to each corner of the pallet 13.
The chain 19 is coated with lubricating oil. A chain 19 is mounted on the upper side of the roller 18 corresponding to a corner of the pallet 13, and the upper end of the chain 19 is connected to the drive shaft 16.

When the electric motor 17 is driven to rotate the output shaft 17a, the drive shaft 16 rotates with the rotation of the output shaft 17a, and the respective chains 19 are wound or fed out in synchronization. When each chain 19 is wound or unwound, the pallet 13 moves up and down between a ground position P1 indicated by a solid line in FIG. 1 and an ascending position P2 indicated by a two-dot chain line. The height H1 of the parking space 12 between the rising position P2 and the ground position P1 is set to a value larger than the total height of the car.

In FIG. 1, on the upper surface of the pallet 13,
The cover 20 stands upright so as to extend along the chain 19 located on the left side. As shown in FIG.
0 denotes a pair of sandwiching side walls 2 extending in parallel with the chain 19 interposed therebetween.
0a and a right side wall 20b connecting both sandwich side walls 20a. Then, the cover 20 is attached to the both side walls 2.
0a and the right side wall 20b are formed in a U-shape in a flat cross section, and surround the periphery of the chain 19. Also, the cover 20
Open toward the left side of FIG.

At the position corresponding to the lower end of the cover 20 on the pallet 13, the support piece 2 projecting upward
5 are provided. As shown in FIG. 2, a pair of support pieces 25 are provided so as to sandwich both of the holding side walls 20 a, and the pair of support pieces 25 are provided with pins 26 as support shafts extending in the horizontal direction. The pair of pins 26 extend coaxially and each penetrate the pair of sandwiching walls 20a in the horizontal direction. The cover 20 is rotatable about the axis L of the pin 26.

The cover 20 has a notch 27 extending upward from the lower end of the right side wall 20b. When the cover 20 rotates so as to fall to the side opposite to the opening, the chain 19 is inserted into the notch 27,
By this insertion, contact between the lower end of the cover 20 and the chain 19 is prevented.

At the lower end of the cover 20, a weight 28 is provided as a return means and a biasing means on the opening side of the cover 20 so as to connect the pair of sandwiching side walls 20a. The center of gravity G of the weight 28 is located below the axis L of the pin 26. The cover 20 is always held at a position extending in the vertical direction along the chain 19 by the gravitational load acting on the weight 28. When the cover 20 is turned in a tilting direction, the cover 19 is urged in a direction in which the cover 19 stands by a gravitational load acting on the weight 28.

As shown in FIG. 3, at the upper end of the cover 20, a pin 29 protruding outward is provided on one of the sandwiching side walls 20a, and the center of the roller 30 is rotatable on the pin 29. Supported. The diameter of the roller 30 is larger than the width in the horizontal direction of the sandwiching wall 20a.
It protrudes from both right and left edges in a.

As shown in FIG. 1, a guide rail 3 extending in the horizontal direction along the suspension frame 15 is provided on the lower surface of the suspension frame 15 at a position corresponding to the roller 30.
1 is provided as a guide portion. Guide rail 31
Is located above the roller 30 and is curved in an arc shape so as to protrude downward.

Next, the operation of the cover retracting structure constructed as described above will be described. To park a car in the parking device 11, the car is driven into the storage space 12, and the car is stopped on the pallet 13 at the ground position P1. After the car stops on the pallet 13, the driver who has driven the car gets off the car. At this time, the cover 20 provided to surround the chain 19
Thereby, it is possible to prevent the lubricating oil applied to the chain 19 from attaching to the clothes of the driver. When the electric motor 17 is driven to rotate the output shaft 17a, the output shaft 1
The drive shaft 16 is rotated with the rotation of 7a, and the rotation of the drive shaft 16 causes the chain 19 to be wound. When the chain 19 is wound up, the pallet 13 carrying the automobile
Rises from the ground position P1 shown by the solid line in FIG. 1 to the rising position P2 shown by the two-dot chain line.

Thereafter, after the roller 30 provided on the upper end of the cover 20 contacts the left end of the guide rail 31, the pallet 13 is further raised, and the roller 30 contacts the guide rail 31 as shown in FIG. Then, it rolls toward the right end of the guide rail 31. This roller 30
, The cover 20 rotates in a direction inclining about the axis L of the pin 26. The cover 20 rotates against the urging force acting on the cover 20 due to the gravitational load of the weight 28. Thereafter, the pallet 13 is moved to the raised position P2 shown in FIG.
5, the roller 30 is positioned in contact with the right end of the guide rail 31 as shown in FIG. 5, and the cover 20 is completely inclined between the suspension frame 15 and the pallet 13 to extend in the horizontal direction. State.

Accordingly, the cover 20 is retracted from the position surrounding the chain 19 to a position that does not hinder the pallet 13 from being lifted by the above-described tilting operation. Then, after raising the pallet 13 on which the vehicle is mounted to the raising position P2, another vehicle enters the parking space 12,
In the parking device 11, the car is parked in two stages, upper and lower.

The car parked in the upper and lower two-tiered parking system 1
In order to get out of the parking lot 1, first, the car in the parking space 12 is run and taken out of the parking device 11, and the pallet 13 is brought up and down. Then, the electric motor 17 is driven to rotate the output shaft 17 a and the drive shaft 16, and the drive shaft 16
The chain 19 is extended by the rotation of. When the chain 19 is extended, the pallet 13 on which the automobile is mounted falls from the rising position P2 toward the ground position P1.

When the pallet 13 is lowered, the cover 20 is rotated in the direction in which the cover 20 stands up about the axis L of the pin 26 due to the gravitational load of the weight 28. By the rotation of the cover 20, the roller 30 provided on the upper end of the cover 20 is moved
Rolling toward the left end of the guide rail 31 in a state of contact with the guide rail 31. Then, the roller 30 is moved to the guide rail 31.
After the cover 20 is located at the left end, when the cover 20 is moved downward from the left end, the cover 20 is completely erected and returns to the state of extending in the vertical direction. When the cover 20 stands and returns to the vertically extended state, the chain 20 is
Is surrounded.

Thereafter, when the pallet 13 on which the vehicle is mounted descends to the ground position P1, the driver driving the vehicle gets into the vehicle. At this time, the cover 20 surrounding the chain 19 can prevent the lubricating oil applied to the chain 19 from adhering to the driver's clothes. Then, when the driver drives the car from above the pallet 13, the car is taken out of the parking device 11.

In this embodiment described in detail above, the following (a)
(E). (A) The cover 20 is pivoted so as to fall down and extends in the horizontal direction, so that the pallet 13 is retracted to a position where it does not prevent the pallet 13 from rising. Therefore, in the evacuation space for evacuation of the cover 20, the height H2 of the evacuation space shown in FIG. Therefore, the height H2 in the retreat space for retreating the cover 20 can be made smaller than before, and the parking device 11 can be downsized in the vertical direction.

(B) Since the tilted cover 20 is constantly urged in the rising direction due to the gravitational load of the weight 28, when the pallet 13 is lowered from the raised position P2 to the ground position P1, the tilted cover 20 is not moved. The upright state can be easily restored by the urging force applied to the cover 20.

(C) Since the cover 20 is urged in the direction of standing up by the gravitational load of the weight 28, the pallet 13 reciprocates between the ground position P1 and the ascending position P2 many times, and the rotation of the cover 20 is repeated. In this case, the urging force acting on the cover 20 does not decrease. Therefore, the cover 20
Even if the rotation of the cover 20 is repeated many times, the cover 20 can be surely urged in the upright direction.

(D) When the roller 30 is pressed against the guide rail 31 and rotates in the direction in which the cover 20 tilts,
Since the roller 30 rolls along the guide rail 31, the cover 20 can be smoothly rotated in the direction of tilting.

(E) When the cover 20 rotates in the direction in which it rises due to the gravitational load of the weight 28, the roller 30 rolls along the guide rail 31, so that the cover 20 is rotated in the direction in which it rises smoothly. be able to.

The present invention can be embodied with the following modifications, for example. (1) In the present embodiment, the present invention is embodied in the parking device 11 that parks the car in two stages up and down, but the present invention is embodied in the parking device that parks the vehicle in two stages or more up and down. Is also good. In this case, the same effect as in the above embodiment can be obtained.

(2) In this embodiment, the guide rail 31 is provided as a guide portion. However, a guide surface that comes into contact with the roller 30 is formed as a guide portion at a position corresponding to the roller 30 on the lower surface of the suspension frame 15. May be. In this case, the trouble of providing the guide rail 31 can be saved.

(3) In the present embodiment, the weight 28 is provided on the cover 20 so as to urge the inclined cover 20 in the upright direction. For example, as shown in FIG. The torsion spring 35 may be provided as a return unit and an urging unit, and the torsion spring 35 may urge the cover 20 in a direction in which the cover 20 stands. In this case, the same effect as in the above embodiment can be obtained.

(4) In this embodiment, the roller 30 may be omitted, and the upper end of the cover 20 may directly contact the guide rail 31. In this case, the configuration of the cover 20 can be simplified.

(5) In this embodiment, the cover 20 is provided only on the chain 19 located on the left side of FIG. 1, but the cover 20 is provided on each of the chains 19 located on the left and right sides of FIG.
May be provided. In this case, a chain 1 is attached to the driver's clothes.
9 can be reliably prevented from adhering.

Next, technical ideas other than the claims that can be grasped from the above embodiments will be described below together with their effects. (A) The retracting structure of the cover according to claim 2, wherein the biasing means is a spring (torsion spring 35). In this case, the cover can always be urged in the upright direction with a simple configuration.

(B) In the retracting structure of the cover according to any one of claims 1 to 3 and (a), the rolling element is rotatably supported on the cover above the center of rotation of the cover. The guide portion is a guide rail provided so as to extend in a horizontal direction, and the guide rail comes into contact with the roller when the suspension member is wound up. In this case, the cover can be smoothly rotated in the direction in which the cover tilts or stands.

[0045]

According to the first aspect of the present invention, the cover is retracted to a position where it does not hinder the elevating member from being moved up and down by rotating and falling. Therefore, the height of the evacuation space for retracting the cover only needs to be a height at which one fallen cover can be retracted, so that the evacuation space for retracting the cover can be reduced.

According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, the cover can be simply separated from the guide portion.
The tilted cover can be easily returned to the upright state. According to the third aspect of the present invention, in addition to the effect of the second aspect of the present invention, the cover is urged in a direction in which the cover is erected by the gravitational load acting on the weight. Also, the cover can be surely urged in the upright direction.

[Brief description of the drawings]

FIG. 1 is a side view showing a parking device according to an embodiment.

FIG. 2 is a plan sectional view showing a lower end portion of a cover.

FIG. 3 is a plan sectional view showing an upper end portion of a cover.

FIG. 4 is an enlarged side view showing a state where a roller contacts a guide rail.

FIG. 5 is an enlarged side view showing a state where the cover is tilted.

FIG. 6 is an enlarged side view illustrating another torsion spring.

FIG. 7 is a side view showing a conventional parking device.

FIG. 8 is a plan sectional view showing a conventional cover.

FIG. 9 is a side view showing a state in which a pallet is raised in the related art.

[Explanation of symbols]

13: Pallet as an elevating member, 19: Chain as a suspending member, 20 ... Cover, 26 ... Support shaft, 28 ... Weight as return means and urging means, 31 ... Guide rail as guide part, 35 ... Return Torsion spring as means and biasing means.

Claims (3)

(57) [Claims] 1. A suspension member (19) having a predetermined length, which is connected to an elevating member (13) and is wound up or unwound downward, extends along the suspension direction of the suspension member (19). When the elevating member (13) is raised by winding the suspension member (19), the cover (2) is moved to a position where the elevating member (13) is not hindered from rising.
0), wherein the cover (20) is formed in a single elongated shape extending along the suspension direction of the suspension member (19) and the cover (20). Is rotatably supported so as to tilt or stand up, and when the suspension member (19) is wound up, the cover (20)
A guide portion (31) for rotating the cover (20) in a direction of tilting by contacting the cover (20), and further returning the tilted cover (20) to an upright state when the suspension member (19) is extended. A retracting structure of the cover provided with the means (28, 35). 2. The retreating structure of a cover according to claim 1, wherein said return means is an urging means (28, 35) for urging the cover in an upright direction. 3. The cover (20) is supported rotatably about a support shaft (26) extending in the horizontal direction, and the biasing means (28, 35) is moved from the support shaft (26) of the cover (20). 3. The retractable structure for a cover according to claim 2, wherein the weight is also provided on the lower end side.