JPH0518408Y2 - - Google Patents

Description

[Detailed description of the invention] <<Industrial application>> This invention is for interconnecting guide beams that support the movable roof and guide its movement at the center of the opening in a retractable dome roof. The invention relates to a connecting device.

<Prior Art> One of the earlier applicants of the present invention has proposed a retractable dome roof as shown in Fig.
No. 13194 (Rear of Utility Model No. 62-126412)). This retractable dome roof basically consists of a fixed roof 1 with an opening 2 formed therein, an annular beam 6 provided around the entire circumference of the opening 2, and a fixed roof 1 that covers the opening 2 so as to be openable and closable. A movable roof 3 is provided so as to be movable forward and backward toward the opening 2 from above the roof 1, and a plurality of movable roofs 3 are provided within the opening 2 so as to extend from an annular beam 6 to the center position P of the opening 2 in the radial direction. It is a retractable dome roof having a guide beam 7 that supports the movable roof 3 and guides its movement, and the guide beam 7, which is disposed in an overhanging manner, is placed on the side of the annular beam 6 in order to align it along the periphery of the opening 2. In order to be able to pivot toward the direction, the base end of the guide beam 7 is connected to the annular beam 6 via a hinge, and a beam member (not shown) provided on the guide beam and the annular beam 6 is connected to the base end of the guide beam 7. The guide beam 7 is provided with driving means (not shown) such as a hydraulic jack that is telescopically operated to rotate the guide beam 7 around the hinge. When moving the guide beams 7 from the retracted position to the extended position, each guide beam 7 is rotated while being guided along the guide rail 13 by extending the hydraulic jack, and its tip ends at the opening 2. reaches near the center position P. After that, the extending/retracting member 7b of each guide beam 7 is advanced to the center position P of the opening 2, and the overhanging work is completed.Then, the movable roof 3 can be moved toward the opening 2, and the opening 2 can be moved. Can be closed. On the other hand, in order to completely open the opening 2 by removing the guide beam 7 from the extended position, the movement member 7 of each guide beam 7 is
b can be moved forward and backward toward the guide beam 7, and then the hydraulic jack can be retracted. As a result, each guide beam 7 is pivoted and reaches a retracted position where it almost touches the inner periphery of the annular beam 6, whereby the opening 2
is now at full throttle.

<Problems to be solved by the invention> By the way, in the retractable dome roof proposed above, although the base end of the guide beam 7 is connected to the annular beam 6 in order to ensure its turning function, the opening is not It did not have a structure to support the tip extending to the center position P of the portion 2, and was extended in a cantilevered manner. With such a structure, it is difficult to ensure sufficient structural stability of the tips of the guide beams 7. Therefore, the applicant has developed a structure that allows the tips of the guide beams 7 to be connected to each other without impairing their turning function. thinking. At this time, external loads such as the weight of the movable roof 3 applied to each guide beam 7 are
Since they support each other, it is necessary to ensure a strong bonding state at this connecting portion, and on the other hand, it is desirable to have a structure that allows easy separation when the connection is released.

The purpose of this invention is to solve the above-mentioned problems, and to provide a device for connecting guide beams in a retractable dome roof that can provide a strong connection and easily release the connection.

<Means for Solving the Problems> In order to achieve the above object, this invention includes a fixed roof 1 in which an opening 2 is formed, an annular beam 6 provided around the entire periphery of the opening 2. , a movable roof 3 provided on the fixed roof 1 so as to be movable forward and backward toward the opening 2 in order to cover the opening 2 in a freely openable and closable manner; A plurality of are connected and arranged, and the movable roof 3
The base end of the guide beam 7 is rotatably connected to the annular beam 6, and the tip of the guide beam 7 is connected to the annular beam 6 from near the periphery of the opening 2. The retractable dome roof is constructed by rotating the guide beam 7 toward the center position P of the opening 2 so that the guide beam 7 extends in the radial direction of the opening 2 with cantilever support. An engagement hole is provided in the casing 12 provided at the tip of any one of the guide beams 7 and in each of the tips of the remaining guide beams 7 so as to be movable toward the casing 12. 61a, a plurality of guide cylinders 14 provided in the casing 12 and into which the reciprocating members 7b are removably fitted, and a cam disc 18 rotatably provided in the casing 12; A plurality of cam portions 18 of the cam disk 18 are provided in the casing 12 so as to be able to freely swing.
an engaging pin 28 provided at each driven end and in contact with a.
The seesaw lever 20 is swung to removably engage with the engagement hole 61a of the reciprocating member 7b.
In order to engage and disengage the engagement pin 28 with respect to the engagement hole 61a, the seesaw lever 2 is operated.
0, a plurality of spring means 30 connected to each other to swing them in one direction, and these spring means 30
The present invention is characterized in that it includes a driving means 38 for rotationally driving the cam disk 18 to swing the seesaw lever 20 in the opposite direction.

<<Operation>> When connecting the tips of the guide beams 7 to each other, any one of the protruding guide beams 7 is connected.
The reciprocating members 7b provided at the tips of the remaining guide beams 7 are advanced and fitted into the guide cylinders 14 of the casing 12 provided at the tips of the two guide beams 7. Thereafter, when the seesaw lever 20 is swung by the drive means 38 or the spring means 30 that drives the cam disc 18, the engagement pin 28 provided at the driven end of the seesaw lever 20 engages with the engagement hole 61a of the reciprocating member 7b. As a result, the guide beams 7 are connected to each other.

On the other hand, when separating the guide beams 7 from each other, the engagement pin 28 is moved by swinging the seesaw lever 20 in the opposite direction using the spring means 30 or the driving means 38.
is disengaged from the engagement hole 61a, and after that,
Moving member 7 from guide cylinder 14 of casing 12
It is sufficient to simply remove b.

<<Example>> Hereinafter, an example of this invention will be described in detail using the drawings. First, the basic structure of the retractable dome roof, which is the premise of the present invention, will be explained in detail with reference to FIG.

This retractable dome roof mainly has a ring-shaped fixed roof 1 with a circular opening 2 formed in the center and an outer peripheral edge supported by an outer wall (not shown).
and a plurality of movable roofs 3 disposed on a fixed roof 1 so as to be movable toward an opening 2 at the center thereof. The movable roof 3 is formed into six substantially identical sector shapes divided into six pieces at equal angular intervals from the center position P of the circular opening 2 in the central portion of the fixed roof 1. The fixed roof 1 has main beams 4 spaced apart from each other along its circumferential direction and extending along its radial direction, and main beams 4 extending along its entire circumferential direction in the vicinity of the opening 2 of the fixed roof 1. The main ring beams (not shown) provided constitute a frame, and the roof membrane (not shown) is stretched over these beams. Further, the movable roof 3 is constructed by extending a roof membrane (not shown) over a lightweight truss assembly structure. An annular beam 6 is provided around the entire periphery of the opening 2 by being assembled to the innermost periphery of the framework.

Inside the opening 2 of the fixed roof 1, a plurality of guide beams 7 are disposed whose base ends are connected to an annular beam 6 to support the movable roof 3 and guide its movement. The base end of 7 is rotatably connected to the annular beam 6, and its tip is pivoted from the vicinity of the periphery of the opening 2 toward the center position P of the opening 2.
The guide beam 7 is configured to be able to extend in the radial direction of the opening 2 with cantilever support. These guide beams 7 support the movable roof 3 along the center line from its apex to its bottom.
It is configured to guide the movement. Furthermore, a pair of sub-guide beams 11 are provided on the fixed roof 1 to support and guide both left and right ends of each movable roof 3, respectively. The movable roof 3 is supported and guided by the main beam 4, the guide beam 7, and the sub-guide 11, and is moved from above the fixed roof 1 toward the center position P of the opening 2. are joined to each other at a central position P to cover the opening 2,
The roof is now closed.

Each guide beam 7 located within the opening 2 has a base end connected to the annular beam 6 rotatably attached to the annular beam 6 via a hinge (not shown), and pivots around the hinge. configured as possible. The guide beam 7 can pivot between an extended position extending to the center position P of the opening 2 so as to extend the main beam 4 into the opening 2 and a retracted position close to the annular beam 6 side. It's becoming like that.

Further, at the tip of each of the guide beams 7 that is pivoted, an advancing/retracting member 7b that is moved forward and backward by hydraulic pressure is provided. When each guide beam 7 is in the extended position, by advancing the advance/retreat member 7b at the tip of each guide beam 7, each guide beam 7 is moved to the center position P of the opening 2.
They are gathered together to form an arch.

In addition, a guide beam 7 is provided directly below the base end of the guide beam 7.
A guide rail 1 that supports the
3 is placed.

For example, a hydraulic jack (not shown) is employed as a swing drive device for swinging the guide beam 7 around the hinge. This hydraulic jack is connected between the guide beam 7 and a beam material (not shown) provided on the annular beam 6, one end of which is rotatably connected to the guide beam 7, and the other end located eccentrically from the hinge. The guide beam 7 is rotatably connected to the beam member and can be expanded and contracted to rotate the guide beam 7. When moving the guide beam 7 from the retracted position to the extended position, the hydraulic jack is extended.
Each guide beam 7 pivots while being guided along the guide rail 13, and its tip reaches near the center position P of the opening 2. Thereafter, the advance/retreat member 7b of each guide beam 7 is moved to the center position P of the opening 2. Once the movable roof 3 is advanced to the opening 2 side, the overhanging work is completed, and the movable roof 3 can then be moved to the opening 2 side, and the opening 2 can be closed.

Next, the main parts of the present invention will be explained using FIG. Basically, in this embodiment, the casing 12 provided at the tip of any one of the guide beams 7 out of the extended guide beams 7, and the casing 12 provided at the tip of each of the remaining guide beams 7. A reciprocating member 7b having an engagement hole 61a, which is provided so as to be movable forward and backward toward the casing 12; A rotatably provided cam disk 18 and a casing 12
A plurality of pins are swingably provided within the cam disk 18, one end of which is brought into contact with the cam portion 18a of the cam disk 18, and the engagement pin 28 provided at each driven end can be freely engaged and disengaged from the engagement hole 61a of the reciprocating member 7b. a seesaw lever 20 that is swung in order to engage with the seesaw lever 20, and a plurality of levers that are connected to each of the seesaw levers 20 and swung in one direction in order to engage and disengage the engagement pin 28 with respect to the engagement hole 61a. A tension coil spring 30 as a spring means, and a hydraulic jack 38 as a drive means for rotating the cam disc 18 against the tension coil springs 30 to swing the seesaw lever 20 in the opposite direction. .

In the figure, an internal hollow casing 12 is integrally provided at the tip of an arbitrary guide beam 7.
As already explained using FIG. 2, the tip of the other remaining guide beam 7 is provided with a reciprocating member 7b that is moved forward and backward toward the center position P of the opening 2, that is, the casing 12, by hydraulic pressure. There is.

The casing 12 has a substantially octagonal planar cross section, and a guide cylinder 14 is provided at each corner of the casing 12, the inner surface of which is tapered to correspond to the pointed end 61 of the reciprocating member 7b formed with a tapered surface. The tip end 61 of the reciprocating member 7b is configured to be removably fitted into the guide cylinder 14.

A support shaft 16 is provided at the center of the casing 12, and a cam disk 18 is rotatably provided on the support shaft 16. A gear-shaped cam portion 18a is formed on the outer periphery of the cam disk 18, and a cam follower 22 provided at one end of the seesaw lever 20 is brought into contact with this cam portion 18a.

The seesaw lever 20 is swingably supported by a bracket 24 provided on one side of the guide cylinder 14 via a rotation center shaft 26, and a driven end of the seesaw lever 20 opposite to the one end has a Engagement pin 2
8 is provided.

The engagement pin 28 is configured to be inserted into the communication hole 14a formed on the side of the guide cylinder 14 and matching the engagement hole 61a of the reciprocating member 7b.

Further, a tension coil spring 30 is provided between a portion of the seesaw lever 20 on one end side of the rotation center axis 26 and the inner surface of the casing 12, and this tension coil spring 30 causes the seesaw lever 20 to always move.
The engagement pin 28 at the driven end is biased in a direction to enter the guide cylinder 14 .

By the way, a slider 32 is slidably provided in the inner part of the guide cylinder 14 to appropriately restrict the engagement pin 28 from being introduced into the guide cylinder 14. This slider 32 has a guide cylinder 14
The guide cylinder 1 is inserted through the elongated hole 14b of a predetermined length formed in the
4. A hook portion 32a projecting outward is provided,
Also, between this slider 32 and the guide cylinder 14, this sliding portion is provided so that the hook portion 32a can be freely engaged with a pin 36 provided on the seesaw lever 20 for regulating rocking of the seesaw lever. A compression coil spring 34 is provided that constantly biases the child 32. Then, the pointed end 61 of the reciprocating member 7b is connected to the guide cylinder 14.
In the state where the slider 32 is not fitted into the hook portion 32, the slider 32 is biased exclusively by the compression coil spring 34.
a is engaged with the pin 36, thereby restricting the rocking of the seesaw lever 20, and the engagement pin 28
The state in which the guide cylinder 14 is retracted outward is maintained, and as a result, a disengaged state that restricts the engagement between the engagement pin 28 and the engagement hole 61a can be secured (the first Figure b).

On the other hand, at the tip of the pointed end 61 of the advancing/retracting member 7b,
An elastic body 61b is provided. and the pointed end 6
1 is fitted into the guide cylinder 14, this elastic body 61b comes into elastic contact with the slider 32, and the slider 32
is pushed into the inner part of the guide cylinder 14 against the biasing force of the compression coil spring 34, thereby detaching the hook portion 32a from the pin 36 and releasing the rocking restriction of the seesaw lever 20. As a result, the coupling pin 28 and the engagement hole 61a can be engaged with each other. The engagement state can be ensured (FIG. 1a).

When the pointed end 61 of the reciprocating member 7b is completely inserted into the guide cylinder 14, an engagement hole 61a is formed in the side surface of the retractable member 7b in a direction intersecting the advancing and retracting direction of the retracting member 7b. Communication hole 14
a, and the engagement pin 28 is aligned with this engagement hole 61a.
The tip end 61 of the reciprocating member 7b can be connected to the casing 12, and the guide beams 7 can be connected to each other.

As a device for releasing this connected state, a hydraulic jack 38 is connected to the cam disk 18 to rotate it. This hydraulic jack 38
The main body part 38a is fixed to the inner bottom surface of the casing 12, and the plunger part 38b, which is protruded from and retracted from the main body part 38a, is connected to the outer periphery of the cam disc 18, and the cam disc 18 is moved by the operation of the plunger part 38b. It is designed to be rotated.

By retracting and operating the hydraulic jack 38, the cam disc 18 can be rotated by a predetermined angle, and thereby the cam follower 22 of the seesaw lever 20 is activated to follow the cam portion 18a of the cam disc 18, and the tension coil spring is activated. 30
The driven end of the seesaw lever 20 is swung against the urging force of. As a result, the engagement pin 28 is disengaged from the engagement hole 61a of the pointed end 61 of the reciprocating member 7b. In this state, if each reciprocating member 7b is retreated toward the guide beam 7 and removed from the casing 12, the coupling between the ends of the guide beam 7 can be released. At this time, the slider 32 is slid within the guide cylinder 14 by the biasing force of the compression coil spring 34, and its hook portion 32a is coupled to the pin 36, so that the swinging movement of the seesaw lever 20 is restricted. Then, the engagement pin 28 is brought into a non-engaged state.

Therefore, the hydraulic jack 38 moves the cam disc 1 only when releasing the mutual connection between the guide beams 7.
8 is retracted against the tension coil spring 30, and even if a predetermined period of time has elapsed, the advancing/retracting member 7b
When the retracting operation of the hydraulic jack 38 is stopped, the engagement pin 28 is automatically engaged with the engagement hole 61a again if the engagement pin 28 is not disengaged from the guide cylinder 14.

In addition, in the above embodiment, the engagement hole 6 of the reciprocating member 7b
Although the casing 12 and the reciprocating member 7b are connected to each other at one location with one casing 1a, two engagement holes 61a and two engaging pins 28 are provided so that the engagement can be made from both sides of the pointed end 61 of the retractable member 7b. A structure in which the dowel pins 28 are engaged and connected may be used.

Further, in the above embodiment, the engagement pin 2 is biased by the tension coil spring 30 via the seesaw lever 20.
8 into the engagement hole 61a, and the other hydraulic jack 38 moves the seesaw lever 20 around the cam disc 18 in a direction opposite to the biasing direction of the tension coil spring 30.
In this configuration, the seesaw lever 20 is urged to release the engagement by the tension coil spring 30, and the engaged state can be secured by the hydraulic jack 38. It is. In this case, the engagement pin 28
4, it is possible to eliminate the need for a slider 32 or the like for appropriately restricting inward entry.

<<Effects of the invention>> As explained in detail in the embodiments above, according to this invention, among the overhanging guide beams 7,
The casing 12 provided at the tip of any one of the guide beams 7, and the reciprocating member 7b having an engagement hole 61a provided at each of the tips of the remaining guide beams 7 so as to be able to move forward and backward toward the casing 12. and a plurality of guide cylinders 14 provided in the casing 12, into which the reciprocating member 7b is removably fitted.
, a cam disk 18 rotatably provided within the casing 12, and a plurality of cam disks 18 provided swingably within the casing 12, one end of which is connected to the cam disk 1.
The seesaw lever 20 is brought into contact with the cam portion 18a of 8 and is swung to releasably engage the engagement pin 28 provided at each driven end with the engagement hole 61a of the reciprocating member 7b. In order to engage and disengage the pin 28 from the engagement hole 61a, a plurality of spring means 30 are connected to each of the seesaw levers 20 to swing them in one direction, and a cam disc is applied against the spring means 30. 18 to swing the seesaw lever 20 in the opposite direction, the mutual connection state of the guide beams 7 can be controlled within the guide cylinder 14 of the casing 12 of one guide beam 7. The reciprocating member 7b of the remaining guide beam 7 is fitted into the engagement hole 61a and the engagement pin 2 is fitted into the engagement hole 61a.
This connected state can be ensured by the two actions of engagement with the guide beams 8, and this connected state is achieved by sharing the load mutually supported by the guide beams 7 between the casing 12 and the reciprocating member 7b. The maintenance of the coupled state is ensured by another means of the engagement pin 28 and the engagement hole 61a, and the structural stability of the guide beam 7 in the coupled state can be sufficiently ensured. The beam structure of this type of retractable dome roof can be made stable and strong without being cantilevered.

Although this is a strong connection state, the engagement state between the engagement pin 28 and the engagement hole 61a is controlled by the action of the single drive means 38, the spring means 30, the seesaw lever 20, the cam disc 18, etc. and can be easily removed.

[Brief explanation of the drawing]

FIG. 1 is a plan sectional view showing a connecting device for guide beams in a retractable dome roof according to this invention, and FIG. 2 is a plan view showing the overall structure of a conventional retractable dome roof. DESCRIPTION OF SYMBOLS 1... Fixed roof, 2... Opening, 3... Movable roof, 6... Annular beam, 7... Guide beam, 7b... Advance/retreat member, 12... Casing, 14... Guide cylinder, 18... ...Cam disc, 18a...Cam part,
20... Seesaw lever, 28... Engagement pin, 3
0...Tension coil spring (spring means), 38...Hydraulic jack (drive means), 61a...Engagement hole, P
...The center position of the opening.

Claims (1)

[Claims for Utility Model Registration] A fixed roof 1 in which an opening 2 is formed, an annular beam 6 provided around the entire circumference of the opening 2, and a fixed roof 1 that covers the opening 2 so as to be openable and closable. roof 1
A movable roof 3 is provided so as to be movable forward and backward toward the opening 2 from above, and a plurality of movable roofs 3 are disposed inside the opening 2 with their base ends connected to the annular beam 6 to support the movable roof 3. The base end of the guide beam 7 is rotatably connected to the annular beam 6, and the tip extends from near the periphery of the opening 2 to the center of the opening 2. It is a retractable dome roof that can be rotated toward a position P so that the guide beam 7 is cantilever-supported and overhangs in the radial direction of the opening 2, and among the overhanging guide beams 7, , an engagement hole 61a is provided in the casing 12 provided at the tip of any one of the guide beams 7, and in each of the tips of the remaining guide beams 7, the engagement hole 61a is provided so as to be movable toward the casing 12. Moving member 7b having
and a plurality of guide cylinders 14 provided in the casing 12 and into which the reciprocating member 7b is removably fitted.
A plurality of cam disks 18 are rotatably provided in the casing 12, and a plurality of cam disks 18 are provided in the casing 12 so as to be swingable, one end of which is in contact with the cam portion 18a of the cam disk 18, and each A seesaw lever 20 that is swung so that the engagement pin 28 provided at the driven end is removably engaged with the engagement hole 61a of the reciprocating member 7b; In order to engage and disengage the lever, the seesaw lever 20 is
A plurality of spring means 30 connected to each other for swinging in one direction, and a driving means 38 for rotating the cam disk 18 against the spring means 30 and swinging the seesaw lever 20 in the opposite direction. A connecting device for guide beams in a retractable dome roof, characterized by comprising: