JPH0749847Y2 - Portable antenna - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a portable antenna device that can be easily moved.

"Prior Art" A conventional satellite broadcasting receiving antenna device is provided on a pedestal so that the azimuth angle and the elevation angle can be adjusted. The gantry has a structure in which many members are assembled with bolts and nuts. When moving to another place, each member is disassembled, transported, and assembled on site.

"Problems to be solved by the device" When the above antenna device is assembled on site, it takes a lot of time for the assembly work, and it is difficult to move the entire gantry in the azimuth direction. Was needed. It is an object of the present invention to easily move an aperture plane antenna or a plane antenna for receiving satellite broadcasting to another place, and to eliminate the need for an azimuth adjustment mechanism.

[Means for Solving the Problems] Therefore, in view of the above circumstances, the present invention uses the center handle as both ends of the handle in order to facilitate the movement of the antenna to another location and eliminate the need for an azimuth adjustment mechanism. To form a frame body in which the frame pieces are connected to each other with a support shaft and a horizontal axis, and a caster is rotatably provided on the tip side of the frame body to support the aperture antenna or the planar antenna. The base end of the support is rotatably externally fitted on the horizontal axis and pivotally mounted in a tubular shape, and the base end of an expandable support rod is pivotally attached to the support shaft so that the tip can be attached to and detached from the support. It is movable.

Also, as you can adjust the elevation angle of the antenna and fold it,
A frame is formed by connecting the frame pieces to both ends of the handle as the center handle and connecting the frame pieces with a support shaft and a horizontal axis.A caster is rotatably provided on the tip side of the frame body and is attached to the horizontal axis of the frame body. An open surface antenna or a flat antenna is attached to a date-shaped support body that is pivotally mounted in a tubular shape with its end rotatably mounted, and the base end of the support rod pivotally attached to the support shaft of the frame body is the support body. Of the support rod by adjusting the elevation angle of the aperture antenna or the plane antenna by screwing the support rod in a required position in the vertical direction, and removing the tip of the support rod from the support body around the base end of the support body. It is designed to be folded to the body side.

Furthermore, in order to make it compact during movement, a caster is provided at one end of the frame body, and a frame body is formed by connecting the frame pieces at both ends of the handle with the center handle and connecting the frame pieces with a spindle and a horizontal axis. A caster is rotatably provided on the tip end side of the frame, the base end is rotatably fitted on the horizontal axis of the frame body, and an open-face antenna is attached to a date-shaped support pivotally mounted in a tubular shape. The tip of the support rod pivotally attached to the body's support shaft is screwed to a required position in the vertical direction of the support, and the converter support arm is foldably protruded from the support, and the tip of the support rod is removed from the support. The base end of the support body is folded toward the frame body side, and the converter support arm is folded toward the aperture antenna side.

"Operation" The present invention forms a frame body in which frame pieces are connected to both ends of the handle with the center as a handle and the frame pieces are connected by a spindle and a horizontal axis, and a caster is rotatably provided on the tip side of the frame body. The base end of the letter-shaped support that supports the aperture antenna or the planar antenna is externally fitted to the horizontal axis and rotatably pivoted in a cylindrical shape, and the base end of the extendable support rod is pivotally attached to the support shaft. The tip can be attached to and detached from the support so that it can be manually conveyed and moved.

In addition, a frame is formed by connecting the frame pieces to both ends of the handle as a center handle and connecting the frame pieces with a support shaft and a horizontal shaft, and a caster is rotatably provided on the tip side of the frame body. Attach the open-face antenna or flat antenna to the date-shaped support body that pivotally attaches the base end to the outside and pivot it in a cylindrical shape, and attach the base end to the tip of the support rod pivotally attached to the support shaft of the frame body. The support bar is screwed to a required position in the vertical direction, and the support bar is expanded and contracted to adjust the elevation angle of the aperture plane antenna or the planar antenna, and the tip of the support bar is removed from the support body and the base end of the support body is centered. Since it is designed to be folded toward the frame side, it is possible to adjust the elevation angle of the opening surface or the plane antenna and fold it compactly.

Furthermore, a frame is formed by connecting the frame pieces to both ends of the handle as a central handle and connecting the frame pieces with a support shaft and a horizontal shaft, and a caster is rotatably provided on the tip side of the frame body. Attach the open-face antenna to the date-shaped support body that is pivotally attached to the base end by pivoting the base end, and attach the tip of the support rod that is pivotally attached to the support shaft of the frame body to the support body. Screw it to the required position in the vertical direction,
A converter support arm is foldably projectingly provided on the support body, and the tip of the support rod is removed from the support body and folded toward the frame body around the base end of the support body so that the converter support arm can be folded toward the aperture antenna side. Therefore, the support body and the support arm can be folded.

[Examples] Hereinafter, the present invention will be described in detail based on specific examples shown in the accompanying drawings.

As shown in FIGS. 1, 2 and 3, as a handle 1 for grasping the center of the pipe member by hand, diagonally bent diagonal pieces 2 and 2 are connected to both ends of the handle 1, and both diagonal pieces 2 are joined. -The two are connected by the support shaft 3 and the horizontal shaft 4 to form the frame body 5. Casters 6, 6 are rotatably provided on the tip end side of the diagonal pieces 2, 2 of the frame body 5, and a slip stopper 7 is provided on the handle 1 at the base end of the frame body 5.
The diagonal pieces 2 and 2 have a substantially diagonal shape, but may have a rectangular frame shape that is parallel.

On the horizontal axis 5, a base frame 12 at the base end of a date-shaped support body 11 is rotatably fitted by a rectangular frame of a pipe member, and an opening antenna (parabolic reflector mirror) is attached to a front view of the support body 11. ) 13 is placed and screwed with the fixing bolts 14, 14, 14, 14 inserted through the support 11.

On the other hand, the base shaft 16 at the base end of the support rod 15 is rotatably fitted onto the support shaft 3, and the cylindrical body 17 at the tip of the support rod 15 is horizontally arranged. Is rotatably fitted inside and fixed frame
Adjusting bolts 19 and 19 inserted at both ends of 18 are screw holes on the upper and lower back surfaces of the support 11 at an angle corresponding to the installation location.
Screw on 20/20. The support bar 15 is a turnbuckle composed of an upper bar 21 having a screw at the lower end, a lower bar 22 having a screw at the upper end, and a cylindrical bar 23 screwed with the screw of the upper bar 21 and the screw of the lower bar 22. The lower rod 22 has a mechanism and is fixed to the lower end side of the base shaft 16 and the upper rod 21.
It is composed of a cylindrical body 17 fixed to the upper end side and a fixed frame 18 rotatably fitted in the cylindrical body 17. By rotating the cylindrical rod 23, the support rod 15 expands and contracts.

Next, as shown in FIG. 2, the converter 26 is supported from the base shaft 12 at the base end of the support 11 so that the converter 26 can be supported and the primary radiator 27 at the tip of the converter 26 can be positioned at the focal point of the aperture plane antenna 13. Is extended and the converter 26 is fixed to the upper end. The converter support arm 28 is composed of an upper arm 29 and two lower arms 30 and 30, as shown in FIG.
The lower end of the upper arm 29 is bolted between the upper ends of the lower arms 30 and 30.
It is sandwiched between 31 and 31, and can be folded to the reflector side of the aperture antenna.

When using this portable antenna device in the field, handle 1
Grasp and place the frame body 5 on the ground with the casters 6, 6 adjusting the azimuth angle in the receiving direction. Subsequently, the elevation angle of the aperture antenna is adjusted to the approximate angle according to the mounting place by removing the adjusting bolts 19 and 19 of the fixed frame 18 and the required screw holes 20 of the support body 20.
・ Screw to 20 for coarse adjustment, and rotate the cylindrical rod 23 of the support rod 15 for fine adjustment to expand and contract the support rod 15 to set the required elevation angle. When the setting of the azimuth angle and the elevation angle is completed, the brakes 36, 36 of the casters 6.6 shown in FIG. 4 are applied and fixed.

Further, the expansion and contraction of the elevation angle of the support rod 15 can be performed not only by the turnbuckle method as shown in FIG. 1 but also by the elevation angle adjustment dry battery built-in control box 37 as shown in FIG. Expand button on control box 37
When 38 is pushed, the support rod 39 extends, and when the contraction button 40 is pushed, the support rod 39 contracts.

In order to make this portable antenna device compact when moving it, loosen the adjustment bolts 19 and 19 and remove the fixed frame 18.
Is separated from the support body 11 and the support body 11 is rotated around the base shaft 12 at the base end to the frame body 5 side and bent, and further, the converter support arm 28 is connected at the connecting portion between the upper arm 29 and the lower arms 30 and 30. The aperture antenna 13 is bent toward the reflecting mirror side to be a compact. As shown in FIG. 6, the converter support arm may be composed of a metal fitting that is processed so as to be folded at a certain angle or more and a knob bolt 41 that fixes the angle. In this portable antenna device, the portable antenna device can be moved only by removing the brake from the installed state and holding the handle 1.

Further, as the portable antenna device, not only the aperture plane antenna but also the plane antenna 42 as shown in FIG. 7 may be used. The planar antenna 42 does not need to have the support arm 28 because the radiation element and the converter are built in the planar antenna housing.

[Advantage of the Invention] As described above, the present invention forms a frame body in which frame pieces are connected to both ends of the handle with the center as a handle, and the frame pieces are connected by a support shaft and a horizontal shaft. The casters are rotatably installed,
The base end of the letter-shaped support that supports the aperture antenna or the planar antenna is rotatably externally fitted to the horizontal axis and pivotally mounted in a tubular shape, and the base end of the extendable support rod is pivotally attached to the support shaft. Since the tip can be attached to and detached from the support, and it is possible to carry and move manually, it is possible to easily move it by the caster by grasping the handle.

In addition, a frame is formed by connecting the frame pieces to both ends of the handle as a center handle and connecting the frame pieces with a support shaft and a horizontal shaft, and a caster is rotatably provided on the tip side of the frame body. An open surface antenna or a planar antenna is attached to the cylindrical support that is pivotally attached to the base with the base end rotatably attached, and the base end supports the tip of a support rod pivotally attached to the spindle of the frame. It is screwed to the required position in the vertical direction of the body, and the support rod is expanded and contracted to adjust the elevation angle of the aperture plane antenna or the plane antenna, and the tip of the support rod is removed from the support body and the base end of the support body is centered. Since it is configured to be folded toward the frame body, the elevation angle of the opening surface or the plane antenna can be adjusted easily and accurately, so that it can be folded compactly.

Furthermore, a frame is formed by connecting the frame pieces to both ends of the handle as a central handle and connecting the frame pieces with a support shaft and a horizontal shaft, and a caster is rotatably provided on the tip side of the frame body. Attach the open-face antenna to the date-shaped support body that is pivotally attached to the base end by pivoting the base end, and attach the tip of the support rod that is pivotally attached to the support shaft of the frame body to the support body. Screw it to the required position in the vertical direction,
A converter support arm is foldably projectingly provided on the support body, and the tip of the support rod is removed from the support body and folded toward the frame body around the base end of the support body so that the converter support arm can be folded toward the aperture antenna side. Therefore, the frame body, the support body, and the converter support arm are parallel to each other, which is compact and suitable for a portable antenna device.

[Brief description of drawings]

1 is a perspective view thereof, FIG. 2 is a side view, FIG. 3 is a plan view, FIG. 4 is an enlarged side view of a caster, and FIG. 5 is a support. FIG. 6 is a perspective view of an example in which a control box with a built-in dry battery for adjusting the elevation angle is used to extend and contract the rod, FIG. 6 is a side view showing another example of the converter support arm, and FIG. 7 is a perspective view showing an example in which a planar antenna is mounted. Is. 6 …… Caster 1 …… Handle 5 …… Frame 13 ・ 42 …… Aperture antenna / planar antenna (example of antenna) 11 …… Support 28 …… Converter support arm 15 ・ 39 …… Support rod

Claims (3)

[Scope of utility model registration request] 1. A frame is formed by connecting frame pieces to both ends of the handle with the center as a handle and connecting the frame pieces with a support shaft and a horizontal axis. A caster is rotatably provided at a tip end side of the frame body to form an opening surface. The base end of the letter-shaped support that supports the antenna or planar antenna is rotatably externally fitted to the horizontal axis and pivotally attached in a cylindrical shape, and the base end of the expandable support rod is pivotally attached to the support shaft and the tip is attached. A portable antenna device characterized in that it can be attached to and detached from a support, and can be manually transported and moved. 2. A frame body in which frame pieces are connected to both ends of the handle with the center as a handle and the frame pieces are connected by a spindle and a horizontal axis, and a caster is rotatably provided on the tip side of the frame body. A support rod in which an open-face antenna or a flat antenna is attached to a date-shaped support body in which the base end is rotatably externally fitted on the horizontal axis of the, and the base end is pivotally attached to the support shaft of the frame body. The tip of the support rod is screwed to a required position in the vertical direction of the support, and the support rod is expanded and contracted to adjust the elevation angle of the aperture antenna or the plane antenna. A portable antenna device characterized by being folded toward the frame body around an end. 3. A frame body in which frame pieces are connected to both ends of the handle with the center as a handle and the frame pieces are connected by a spindle and a horizontal axis, and a caster is rotatably provided on the tip side of the frame body. Attach the open-face antenna to the date-shaped support body that is pivotally mounted on the horizontal axis of the frame and pivotally mounted on the horizontal axis, and attach the base end to the tip of the support rod that is pivotally mounted on the support shaft of the frame. Screwed to a required position in the up-down direction of the support body, the converter support arm is provided on the support body so as to be foldable, and the tip of the support bar is removed from the support body and the support body is folded toward the frame side around the base end, A portable antenna device, characterized in that a converter support arm is folded toward an antenna having an open surface.