JP3078563U - Wireless relay station building door device - Google Patents

Abstract

(57) [Problem] To provide a door opening / closing device for a wireless relay station building, in which an opening / closing door for opening / closing an opening can be used as an eave for blocking rain or snow. SOLUTION: An opening / closing door 4 for opening and closing an opening 3 has a first link arm 6 and a second link arm 7 having different lengths.
And are connected to the relay station building 1. When the door 4 is turned upward, the first and second link rods 6 and 7 are turned, and the door 4 is stored substantially parallel to the ceiling of the relay station building 1. At this time, the lower end of the opening / closing door 4 protrudes forward from the relay station building 1 in an eaves shape, and covers the upper part of the opening 3. Thus, when the opening 3 is opened, it is possible to block rain, snow, and the like by the opening / closing door 4 projecting like an eave.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a door device of a wireless relay station building that relays radio waves of a mobile phone or the like.

[0002]

[Prior art]

 In recent years, mobile phones have become widespread, and along with this, a number of wireless relay stations for relaying the radio waves of mobile phones have been constructed scattered around. Such relay stations are becoming increasingly unmanned, and the relay station functions only by installing a relay communication device. In other words, there is no need to consider the comfort and environmental facilities of the radio relay station building as a living space, so a structure that is as simple as possible while suppressing construction costs is desired.

Meanwhile, since the wireless relay station needs to periodically perform maintenance on a communication device installed inside, the wireless relay station is provided with an opening through which workers enter and exit, and an opening / closing door for opening and closing this opening. However, the opening and closing door provided in this type of wireless relay station has the most general structure which is pivotally connected by a hinge and turned laterally when opening and closing. In the case of bad weather such as rain or snow, such doors need to be locked and unlocked with an umbrella, etc. The work is extremely complicated. For this reason, it is conceivable to provide members such as the above-mentioned eaves and other eaves that block rain and snow, etc. above the opening that will be the entrance in case of bad weather, but as mentioned above, wireless In the relay station building, it is desired to reduce construction costs, and it is not possible to provide eaves or the like above the opening for the purpose of preparing for bad weather such as rain or snow during regular maintenance work. Is structurally useless.

The present invention is intended to solve such a problem, and provides a door opening / closing device for a radio relay station building in which an opening / closing door for opening / closing an opening can be used as an eave for blocking rain or snow. aimed to.

[0005]

[Means for Solving the Problems]

 The door device of the wireless relay station building according to claim 1, wherein the panel is connected in a substantially box shape to form a wireless relay station house for accommodating a communication device therein, and an opening serving as an entrance and exit on an outer wall surface of the wireless relay station building. And an opening / closing door for opening and closing the opening, and when the opening is opened, the opening / closing door is protruded like an eave so as to cover the upper part of the opening.

According to the configuration of Claim 1, when the opening is opened, the upper part of the opening is covered with the opening / closing door, so that rain, snow and the like can be blocked.

A door device of a wireless relay station building according to a second aspect of the present invention is the door device of the wireless relay station building according to the first aspect, further comprising a link mechanism for connecting the opening / closing door and the wireless relay station building. The opening and closing door is stored substantially parallel to the ceiling of the wireless relay station building by a link mechanism, and the lower end of the door is protruded forward from the wireless relay station building in an eaves-like manner.

According to the configuration of claim 2, when the opening is opened, the opening / closing door stored substantially along the ceiling of the radio relay station building has a lower end covering the upper part of the opening and protruding forward. , Rain and snow can be blocked.

The door device for a wireless relay station building according to claim 3 is the door device for a wireless relay station building according to claim 2, wherein the link mechanism comprises a pair of left and right first link arms having different lengths. A second link arm having a short first link arm connected to upper portions on both sides of the door, a long second link arm located at a lower portion thereof connected, and a second link arm connected to the second link arm; Is slidably connected to the opening / closing door.

According to the configuration of the third aspect, when the opening is opened, the first and second link arms rotate in conjunction with the flip-up operation of the opening / closing door. At this time, the long second link arm located at the bottom moves along the door, and the door is stored almost parallel to the ceiling of the relay station building. At this time, since the lower end of the door protrudes forward from the relay station building like an eaves, rain and snow can be blocked by the door.

The door device of the wireless relay station building of claim 4 is the door device of the wireless relay station building of claim 1, wherein the opening and closing door is composed of an upper door and a lower door divided vertically. The upper door is rotatably supported on the upper edge of the opening, and the lower door is rotatably supported on the lower end of the upper door. By folding the door up and down and disposing it at the upper part of the storage, the folded upper and lower doors protrude like an eave above the opening.

According to the configuration of claim 4, since the folded upper and lower doors protrude like an eave above the opening, rain and snow can be blocked by the opening and closing door.

According to a fifth aspect of the present invention, there is provided a door device for a wireless relay station building, wherein the pair of left and right link arms provided on the wireless relay station building and the upper door are provided. The lower end of the link arm is slidably connected to the lower door, and the link arm and the radio relay station are connected to each other by a telescopic urging member that is urged in the direction of extension. is there.

According to the configuration of claim 5, as the urging means bridged between the link arm and the radio relay station building, for example, a gas spring filled with gas is used, and twice with respect to its axis and perpendicular. By mounting the lower door so as to be slightly inclined inward, the lower door is urged to be pressed downward by the gas spring, and the upper and lower doors are held in a closed state. Here, when the lower door is raised, the link arm pivotally attached to the upper door is pulled upward, and the link arm is inclined outward. Accordingly, the gas spring connected to the link arm also follows the movement of the link arm and tilts outward from the vertical. As a result, the biasing force of the gas spring, which urged the lower door to press downward, urges the upper door to jump up, allowing the upper and lower doors to be opened with a light force, The folded upper and lower doors that protrude like eaves at the top are held by gas springs.

[0015]

[Embodiment of the invention]

 Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. 1 and 2 show a first embodiment of the present invention, in which 1 is a wireless relay station (hereinafter simply referred to as a relay station) for relaying radio waves from a mobile phone or the like. The building 1 is formed in a box shape by connecting panels 2 having heat insulation, and houses a communication device (not shown) for relaying radio waves. An opening 3 serving as an entrance and an opening and closing door 4 for opening and closing the opening 3 are provided on a front wall of the relay station building 1.

The door 4 and the relay station building 1 are connected by a link mechanism 5. As shown in FIG. 2, the link mechanism 5 includes a first link arm 6 and a second link arm 7 having different lengths, and the short first link arm 6 is provided on both upper sides of the door 4. , And a long second link arm 7 is pivotally attached to a lower portion thereof. A guide roller 8 is pivotally supported at the lower end of the second link arm 7, and the guide roller 8 is movably assembled along a guide groove 9 formed on the lower portion on both sides of the door 4.

The length of the first link arm 6 is set to be substantially parallel to the outer surface of the ceiling of the relay station building 1 when the door 4 is flipped up. In the drawing, reference numeral 10 denotes a handle that is gripped when the door 4 is opened and closed. Although not shown, the door 4 is provided with a locking device.

Next, the operation of opening and closing the door 4 will be described. First, when the opening / closing door 4 is turned upward with the handle 10, the first and second link rods 6, 7 are turned. In conjunction with this, the guide roller 8 pivotally supported at the lower end of the long second link arm 7 located at the lower part moves along the guide groove 9 formed on both side edges of the opening and closing door 4 so that the opening and closing door 4 becomes a relay station. It is stored almost parallel to the ceiling of building 1. At this time, as shown in FIG. 2 and the like, the lower end of the opening / closing door 4 protrudes forward from the relay station building 1 like an eave. Thereby, when the opening 3 is opened, the upper part of the opening 3 is covered with the opening / closing door 4, and for example, rain or snow can be blocked. As described above, since the opening / closing door 4 for opening and closing the opening 3 can also be used as an eave, the structure is extremely rational, and the manufacturing cost of the relay station building 1 is reduced by reducing the number of components of the relay station building 1. be able to.

FIGS. 3 and 4 show a second embodiment of the present invention. Parts having the same functions as those of the first embodiment are denoted by the same reference numerals, and only different parts will be described.

In the first embodiment, an example is shown in which the opening / closing door 4 is configured by a flip-up door. In this embodiment, however, the opening / closing door 4 is configured by two folding doors. That is, the opening / closing door 15 is composed of an upper door 16 and a lower door 17 divided into upper and lower parts, and the upper door 16 is pivotally attached to the upper edge of the opening 3 of the relay station building 1 by the hinge member 18. The lower door 17 is connected to the lower end of the door 16 by a hinge member 18A. As a result, the upper and lower doors 16 and 17 protrude above the opening 3 like an eave so as to be folded outside the relay station building 1. Further, link arms 20 are disposed on both left and right sides of the inner surface of the opening 3 so as to face each other, and guide rollers 21 are supported at the lower ends of the link arms 20 outwardly. Each of these guide rollers 21 is inserted into a U-shaped guide rail 22 fixed to a lower portion of the inner surface of the opening 3. In this manner, the upper end of the link arm 20 whose lower side is slidably supported is supported by the receiving plate 24 fixed to the upper side of the upper door 16, and the upper door 16 and the relay station building are connected via the link arm 20. 1 is connected. Further, the link arm 20 is formed in a U-shaped cross section, and a concave groove 23 is vertically provided inward, while a substantially L-shaped mounting arm 24A is fixed to both lower end portions of the lower door 17. A rotary roller 25 pivotally supported by the tip of the mounting arm 24A is engaged in the groove 23. A base plate of a gas spring 27 serving as an urging member is pivotally supported on a mounting plate 26 fixed to the upper end of the link arm 20, and a rod 27A of the gas spring 27 is fixed in the middle of the inner surface of the relay station building 1. To the mounting plate 26A. The gas spring 27 is constantly urged in the direction of extension by the gas sealed therein.

The opening / closing operation of the opening / closing door 4 of the present embodiment configured as described above will be described. As shown in FIG. 3, when the upper and lower doors 16 and 17 are closed, the guide rollers 21 provided at the lower ends of both link arms 20 are provided below the guide rails 22 fixed to the lower portion of the opening 3 of the relay station building 1. The link arm 20 is arranged almost vertically by the guide roller 21 and the rotating roller 25 pivotally supported on both sides of the lower end of the lower door 17 at the end, while the link arm 20 and the opening 3 of the relay station building 1 are arranged. The elevation angle α between the axis X1 and the perpendicular X of the gas spring 27 is slightly inclined inward by about 2 degrees, so that the lower door 17 is lowered by the gas sealed inside the gas spring 27. And the upper and lower doors 16 and 17 are held in a closed state. Here, when the lower door 17 is lifted, the rotating roller 25 pivotally supported at the lower end of the lower door 17 rises along the concave groove 22 of the link arm 20, and the link arm 20 pivotally attached to the upper door 16 is moved. The link arm 20 is tilted outward while the guide roller 21 of the link arm 20 is raised along the guide rail 22 with the upward movement. On the other hand, the gas spring 27 connected to the link arm 20 also follows the operation of the link arm 20, and the gas spring 27, which is slightly inclined inside the relay station building 1 when the upper and lower doors 16 and 17 are closed, gradually increases. When the gas spring 27 tilts from the vertical to the outside of the relay station 1 as shown by a solid line in FIG. Meanwhile, the urging force of the gas spring 27, which urges the lower door 17 to press downward, urges the upper door 16 to jump up. Therefore, the upper and lower doors 16 and 17 can be opened with a light force by the gas spring 27. Then, as shown in FIG. 4, when the upper and lower doors 16 and 17 are raised and the opening 3 is completely opened, the upper and lower doors 16 and 17 folded on the upper part of the relay station building 1 become gas springs 27. The opening 3 of the relay station building 1 is held in an open state without the upper and lower doors 16 and 17 being lowered by its own weight. At this time, the folded upper and lower doors 16 and 17 project forward from the relay station building 1 like an eave. As a result, similarly to the first embodiment, when the opening 3 is opened, the upper part of the opening 3 is covered with the opening / closing door 4 and, for example, rain and snow can be blocked. Can also be used as eaves. When closing the opened opening 3, the upper and lower doors 16, 17 may be lowered.

As described above, in this embodiment, as in the previous embodiment, the opening / closing door 4 for opening and closing the opening 3 can also be used as an eave for protecting from rain or snow, which is structurally extremely rational. In addition, since the number of components of the relay station building 1 can be reduced, the manufacturing cost of the relay station building 1 can be reduced. Moreover, by connecting the upper door 16 pivotally attached to the upper end of the opening 3 and the relay station building 1 by the gas spring 27 constantly urged in the extension direction, the upper and lower doors 16 and 17 can be opened and closed with a light force. The gas spring 27 can hold the upper and lower doors 16 and 17 in an open state and a closed state, respectively.

Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention. For example, the basic structure of the wireless relay station building may be set as appropriate. Also, in the first embodiment employing the flip-up type opening / closing door 4, the gas spring or the balance way balanced with the opening / closing door 4 shown in the second embodiment so that the opening / closing door 4 can be opened with a light force. May be provided. Further, the urging means for reducing the operation of the opening / closing door 4 may have a configuration other than the gas spring and the balance weight.

[0024]

[Effect of the invention]

 According to the door apparatus of the wireless relay station building of the first aspect, the panels are connected in a substantially box shape to form a wireless relay station house for accommodating the communication device therein, and enter and exit the outer wall surface of the wireless relay station building. An opening serving as a mouth and an opening / closing door for opening and closing the opening are provided, and when the opening is opened, the opening / closing door is protruded like an eave so as to cover the upper part of the opening. Therefore, the door can be used also as an eave to block rain and snow.

According to a second aspect of the present invention, there is provided a door apparatus of a wireless relay station building, wherein a link mechanism for connecting the opening / closing door and the wireless relay station building is provided. The link mechanism stores the opening and closing door substantially parallel to the ceiling of the wireless relay station building, and the lower end of the opening and closing door protrudes forward from the wireless relay station building like an eaves. When the opening is opened, the lower end of the door, which is stored almost parallel to the outer surface of the ceiling of the radio relay station, protrudes from the eaves and can block rain and snow.

According to the door device of the wireless relay station building of claim 3, in the door device of the wireless relay station building of claim 2, the link mechanism comprises a pair of left and right first link arms having different lengths. A second link arm having a short first link arm connected to an upper portion on both sides of the door, a long second link arm located at a lower portion thereof connected, and a second link arm connected to the second link arm. Is slidably connected to the opening / closing door, so that when opening the opening, the first and second link rods rotate in conjunction with the flip-up operation of the opening / closing door, and the opening / closing door is moved to the relay station. It is stored almost parallel to the ceiling of the building. At this time, since the lower end of the door protrudes forward from the relay station building like an eave, rain and snow can be blocked by the door.

According to the door device of the wireless relay station building of claim 4, in the door device of the wireless relay station building of claim 1, the opening and closing door is constituted by an upper door and a lower door divided into upper and lower parts, An upper door is rotatably supported on an upper edge of the opening, and a lower door is rotatably supported on a lower end of the upper door. Each of the doors is opened when the opening is opened. Since the folded upper and lower doors protrude in the shape of an eave above the opening by being folded up and down and placed at the top of the storage, the folded upper and lower doors are located above the opening. It protrudes like an eave and can block rain and snow.

According to the door device of the wireless relay station building of claim 5, in the door device of the wireless relay station building according to claim 4, a pair of left and right link arms installed on the wireless relay station building and the upper door. The lower end of the link arm is slidably connected to the lower door, and the link arm and the radio relay station building are connected by a telescopic urging member urged in the extension direction. Therefore, the upper and lower doors can be opened with a light force, and the upper and lower doors can be held when the door is closed and the door is opened.

[Brief description of the drawings]

FIG. 1 is a perspective view of a wireless relay station building according to a first embodiment of the present invention.

FIG. 2 is an explanatory view showing an opening operation of the opening and closing door.

FIG. 3 is a cross-sectional view showing a second embodiment of the present invention in a state in which an opening / closing door is closed.

FIG. 4 is a cross-sectional view showing an open state of the door.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Radio relay station building 2 Panel 3 Opening 4,15 Opening / closing door 5 Link mechanism 6 First link arm 7 Second link arm 16 Upper door 17 Lower door 20 Link arm 27 Gas spring (biasing member)

Claims (5)

[Utility model registration claims] A wireless relay station housed with a communication device therein is formed by connecting the panels substantially in a box shape, and an opening serving as an entrance on an outer wall surface of the wireless relay station building, and this opening is opened and closed. A door device for a radio relay station building, characterized in that the door device is provided with an opening / closing door, and when the opening is opened, the opening / closing door is projected like an eave so as to cover the upper portion of the opening. 2. A link mechanism for connecting the opening / closing door and the wireless relay station building, the link mechanism storing the opening / closing door substantially parallel to the ceiling of the wireless relay station building, and The door device of a wireless relay station building according to claim 1, wherein a lower end is projected forward from the wireless relay station building like an eave. 3. The link mechanism has a pair of left and right first and second link arms having different lengths, and connects the short first link arm to upper portions on both sides of the door. 3. A door apparatus for a radio relay station building according to claim 2, wherein a long second link arm located at a lower portion thereof is connected, and said second link arm is slidably connected to said opening / closing door. . 4. The open / close door is composed of an upper door and a lower door divided vertically, the upper door is rotatably supported on an upper edge of the opening, and the lower door is provided at a lower end of the upper door. A lower door is rotatably supported and, when the opening is opened, the doors are folded up and down and arranged at the upper part of the storage, so that the folded upper and lower doors are overlaid on the upper part of the opening. 2. The door device for a wireless relay station building according to claim 1, wherein the door device protrudes in a shape. 5. A pair of left and right link arms provided on the radio relay station building and the upper door, and a lower end of the link arm is slidably connected to the lower door, and the link arm and the radio relay station are connected. 5. The door device for a wireless relay station building according to claim 4, wherein the building and the building are connected by a telescopic biasing member biased in the extension direction.