JP3017338U - Dome structure - Google Patents

Abstract

(57) [Summary] [Purpose] No space is required on the side of the cover when opening and closing the open / close door, and when the open / close door is opened, the cover should be in close contact with the peripheral surface of the cover. , It is to provide a dome-shaped structure in which the opening and closing doors are not lifted by strong winds. [Constitution] It has a hemispherical cover 11 and a space 12 inside.
In the dome-shaped building in which the cover body 11 is formed, an opening 19 is provided at one point of the cover body 11, and an opening / closing door 21 for opening / closing the opening body 19 is set to have substantially the same radius of curvature as the cover body 11. A part of 21 is rotatably supported with respect to the cover body 11, and the opening / closing door 21 slides on the outer peripheral surface of the cover body 11 so as to overlap with the outer peripheral surface of the cover body 11 when the door is opened. It is characterized by

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a dome-shaped building that houses astronomical observation equipment such as an astronomical telescope, for example.

[0002]

[Prior art]

 As a structure for housing astronomical observation equipment such as astronomical telescopes and for storing military equipment, a dome-shaped structure that is strong against strong winds such as a typhoon and has excellent earthquake resistance is known. The dome-shaped structure has a hemispherical cover, and the skirt is installed and fixed to the box that constitutes the observation room.

FIG. 5 shows a conventional dome structure, in which a hemispherical cover 1 is provided with a space 2 for housing astronomical observation equipment such as an astronomical telescope. The cover 1 is provided with a vertically elongated opening 3 extending from the zenith to the hem. Reference numeral 4 denotes an opening / closing door that opens and closes the opening 3, which is formed by covering the plate-like body and curving the same as the radius of curvature of the body 1.

FIGS. 5A to 5C show examples in which the opening / closing door 4 is opened / closed differently. The opening / closing door 4 is divided into a first door 4a and a second door 4b. FIG. 5 (a) shows that the first door 4a and the second door 4b are slid to the rear of the opening 3 along the outer peripheral surface of the cover 1, and the first door 4a and the second door 4b are provided on the upper surface of the cover 1 at the rear of the opening 3. And the second doors 4a and 4b are stacked and stored.

In FIG. 5 (b), the lower edge of the first door 4 a is pivotally supported by the hinge 5 on the cover body 1 to be opened in front of the cover body 1, and the second door 4 b is covered by the cover body 1. It is slid to the rear of the opening 3 along the outer peripheral surface, and is stacked and stored on the upper surface of the cover 1 at the rear of the opening 3.

FIG. 5 (c) shows that the first door 4 a is detachable from the cover body 1, is detached from the cover body 1 and opened, and the second door 4 b is attached to the outer peripheral surface of the cover body 1. It is slid along the rear side of the opening 3 along the upper surface of the cover body 1 behind the opening 3 and stored.

[0007]

[Problems to be solved by the device]

 However, the conventional dome-shaped building requires rails for sliding the first and second doors 4a and 4b, the first door 4a is detachable, and the hinge 5 supports the door. The structure is difficult to open and close, and the door size is large and heavy, especially for a large dome, and a complicated opening / closing mechanism is required when the door is divided.

Therefore, it is desirable that the number of the opening / closing doors 4 is one. However, when the astronomical telescope or the like is housed in the dome-shaped building and used for astronomical observation, as shown in FIG. It is necessary to provide the opening 3 that opens to the vicinity of the top, and the opening angle of the opening 3 must be 100 ° to 110 °. Therefore, when the opening / closing door 4 is slid along the cover 1 to the rear of the opening 3, the opening / closing door 4 closes the vicinity of the zenith of the opening 3 and opens from near horizontal to near the zenith. I can't. That is, a in FIG. 6 indicates the opening width of the opening 3, b indicates the width of the opening / closing door 4, and C indicates the width that closes a part of the opening 3 when the opening / closing door 4 is opened. .

It is also conceivable that one opening / closing door is slid in the lateral direction of the cover body, or the opening / closing door is divided into left and right parts and slid in the left / right direction of the covering body to open / close the opening / closing door. In both cases, a guide rail is required to slide the opening / closing door, and this guide rail protrudes in the lateral direction of the cover body, and it is necessary to have a space for opening the opening / closing door on the side of the cover body. Become.

The present invention has been made in view of the above circumstances, and its purpose is to easily open and close the opening provided in the cover and to open the opening / closing door. In particular, the object is to provide a dome-shaped structure that does not require a storage space, is structurally simple, and can reduce costs.

[0011]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a dome-shaped building having a hemispherical cover body and a space formed therein, wherein an opening is provided in a part of the cover body. The opening / closing door that opens and closes this opening is made substantially the same as the radius of curvature of the cover, and a part of the opening / closing door is rotatably supported with respect to the cover, and the opening / closing door is The outer peripheral surface is slid so as to overlap the outer peripheral surface of the cover when the door is opened.

According to a second aspect of the present invention, the opening / closing door slides on the inner peripheral surface of the cover body so as to overlap the inner peripheral surface of the cover body when the door is opened. According to a third aspect of the present invention, in a dome-shaped building having a hemispherical cover and having a space formed therein, an opening opening in an arc shape over both skirts with the zenith of the cover as the middle. And the opening / closing door for opening / closing the opening is made substantially the same as the radius of curvature of the cover, and two points at both ends of the opening / closing door are rotatably supported with respect to the cover. Is characterized in that the opening is closed when standing up and the opening is opened when falling down.

[0013]

[Action]

 When the open / close door is rotated with the pivot point as the fulcrum, the open / close door retreats from the opening while sliding on the outer or inner surface of the cover, the opening is fully opened, and the open / close door is opened on the outer circumference of the cover. Surface or inner peripheral surface. Therefore, when the opening / closing door is opened / closed, the cover body serves as a guide surface for the opening / closing door, and the opening / closing door can be smoothly opened / closed.

[0014]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of a dome-shaped building for housing astronomical observation equipment such as an astronomical telescope, and 11 is a cover. The cover 11 is made of a combination of panels made of synthetic resin material, metal material, tempered glass, or the like, or is made of reinforced concrete to have a hemispherical shape (1/2 of a true sphere). A space 12 is formed inside the cover 11.

The hem portion 13 of the cover 11 is fixed to a rectangular box 15 that constitutes the observation room 14, and the box 15 is fixed to a base floor surface A constructed on the ground. The box 15 has a side length of 2 to 3 m and a height of 1 m, and the cover body 11 has a radius of curvature of 2 m, so that the observation room 14 can accommodate astronomical observation equipment B such as an astronomical telescope. I am The side wall of the box 15 is provided with a doorway 17 having a door 16.

A vertically long opening 19 is provided from a portion of the cover body 11, that is, from the vicinity of the zenith portion 18 of the cover body 11 to the skirt portion 13. The opening 19 is an astronomical observation window and is formed by hollowing out according to the curvature of the cover 11.

A pivot shaft 20 is projectingly provided on the cover 11 located on one side of the upper portion of the opening 19, and the pivot shaft 20 is provided with a panel-shaped opening / closing member for opening / closing the opening 19. A door 21 is provided.

The opening / closing door 21 may be made of the same material as or a different material from the cover body 11, is curved to have substantially the same radius of curvature as the cover body 11, and is formed slightly larger than the opening 19. The upper end of the opening / closing door 21 is rotatably supported by the pivot shaft 20, and the lower end is formed as a free end. Therefore, the open / close door 21 slides on the outer peripheral surface of the cover body 11. When the open / close door 21 is rotated in the direction of arrow d as shown in FIG. The cover 19 is retracted and overlapped with the outer peripheral surface of the cover 11 to be stored therein, and the opening 19 is fully opened. Further, as shown in FIG. 1B, when the door 21 is rotated in the direction of arrow e, the opening / closing door 21 overlaps the opening 19 and the opening 19 is fully closed.

Therefore, when the opening / closing door 21 is opened / closed, the opening / closing door 21 does not project outside and inside the cover body 11, the opening / closing door 21 does not interfere with other obstacles, and the opening / closing door 21 closes. It is in close contact with the outer peripheral surface of the cover 11 not only when the door is opened, but also when the door 21 is opened due to strong wind, and durability is obtained.

The opening / closing door 21 may be provided with a handle on the free end side so as to be opened / closed manually. As shown in FIG. 3, a bracket 22 is provided on the inner wall of the cover 11 instead of the pivot shaft 20. The rotation shaft 24 of the electric motor 23 is transmitted to the transmission shaft 26 via the gear mechanism 25, the upper end of the opening / closing door 21 is fixed to the transmission shaft 26, and the opening / closing door is opened by the electric motor 23. 21 may be opened and closed.

Although the opening / closing door 21 slides on the outer peripheral surface of the cover body 11 in the above-described embodiment, the pivot shaft 20 protruding from the inside of the cover body 11 covers the opening / closing door 21. The opening / closing door 21 may be retracted from the opening 19 and overlapped with the inner peripheral surface of the cover body 11 to be housed when the door is opened.

Further, the shape of the opening 19 provided in the cover 11 is not limited to the above-mentioned one embodiment, and may be circular, rectangular or elliptical, and is not limited to one, and a plurality of covers 11 may be provided. The opening 19 may be provided.

In addition, a seal member is attached along the opening edge of the opening 19, and when the opening / closing door 21 is closed, the cover member and the opening / closing door 21 are in close contact with each other by the sealing member. It can have a watertight structure.

FIG. 4 shows a second embodiment, and the same components as those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted. A circular arc-shaped opening 27 is provided across both skirts 13 with the zenith portion 18 of the cover 11 as an intermediate portion. The opening 27 covers the plate-like body and has substantially the same radius of curvature as the cover body 11. It is adapted to be opened and closed by an opening / closing door 28 curved in an arc shape.

That is, the pivot shafts 29 projecting from the cover 11 located on one side of the opening 27 are pivotally supported at one side at both ends of the opening / closing door 28, respectively. . Then, the opening / closing door 28 is configured to rotate about two points on both ends of the opening / closing door 28, and the opening / closing door 28 closes the opening 27 when standing up, and opens the opening 28 when falling down.

According to this embodiment, the opening angle of the opening 27 can be set to about 180 °, and the astronomical telescope and the like can be rotated in a wide range. In addition, although the dome-shaped building for housing astronomical observation equipment such as an astronomical telescope has been described in the above-mentioned embodiment, it can also be used as a greenhouse for plant cultivation, a park, a rest room at an amusement park, a lightning shed, etc. , Its use is not limited.

[0027]

[Effect of device]

 As described above, according to the present invention, an opening is provided in a part of the cover, and the opening / closing door for opening / closing the opening is made substantially the same as the radius of curvature of the cover. The point is rotatably supported with respect to the cover body, and the opening / closing door slides on the peripheral surface of the cover body so as to overlap with the peripheral surface of the cover body when the door is opened.

Therefore, the opening provided in the cover can be easily opened and closed, and no space is required on the side of the cover when the door is opened and when the door is opened. When the door is opened, it is in close contact with the peripheral surface of the cover, and the opening and closing door is not lifted by strong wind, providing durability. Further, the door has a simple structure in which the opening / closing door is rotated about the pivot point, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a dome-shaped building according to a first embodiment of the present invention, in which (a) is a door opened and (b) is a door closed.

FIG. 2 is a vertical sectional side view of the dome-shaped building of the embodiment.

FIG. 3 is a partial cross-sectional view showing a modified example of the first embodiment.

FIG. 4 shows a dome-shaped building according to a second embodiment of the present invention, (a) is a front view when the door is open, (b) is a front view when the door is closed, (c).
Is a sectional view taken along line XX.

FIG. 5 is a partially cut-away front view of a conventional dome-shaped building, in which FIGS.

FIG. 6 is an explanatory view of a conventional dome-shaped building.

[Explanation of symbols]

11 ... Cover, 12 ... Space part, 13 ... Bottom part, 18 ... Zenith part, 19 ... Opening part, 20 ... Pivot axis, 21 ... Opening / closing door.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Makoto Nakajo 1-21-17 Sasazuka, Shibuya-ku, Tokyo Sakura Gokan Co., Ltd.

Claims (3)

[Scope of utility model registration request] 1. In a dome-shaped building having a hemispherical cover and having a space formed therein, an opening is provided in a part of the cover, and an opening / closing door for opening and closing the opening is provided. The radius of curvature of the cover is approximately the same, and one point of the open / close door is pivotally supported with respect to the cover, and the open / close door slides on the outer peripheral surface of the cover to open the cover. A dome-shaped building characterized by overlapping the outer peripheral surface. 2. In a dome-shaped building having a hemispherical cover and having a space formed therein, an opening is provided in a part of the cover, and an opening / closing door for opening and closing the opening is provided. The radius of curvature of the cover is approximately the same, and one point of the open / close door is rotatably supported with respect to the cover, and the open / close door slides on the inner peripheral surface of the cover to open the cover. A dome-shaped building characterized by overlapping the inner surface of the building. 3. In a dome-shaped building having a hemispherical cover and having a space formed therein, an opening opening in an arc shape over both skirts with the zenith of the cover as the middle. The opening / closing door that opens and closes the opening is made substantially the same as the radius of curvature of the cover body, and two points at both ends of the opening / closing door are rotatably supported with respect to the cover body. A dome-shaped structure characterized in that the opening is closed when standing up, and the opening is opened when falling down.