JPH11127007A - Stand structure of plane antenna - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plane antenna which is simple in structure and low-cost and has superior durability by employing a stand structure which is stood by itself on a floor while adjusted to a desired elevation angle. SOLUTION: An antenna case 11 is provided on the reverse surface of the plane antenna 1 and a fitting member 2 is screwed. The crotch part of a stand member 3 which has its leg part deformed elastically in an opening state is exposed to a side piece of the screwed fitting member 2 and the pivotal projection of the stand member 3 is inserted into a pivotal hole 23. In this state, the stand member 3 is fitted to the fitting member 2 rotatably. The stand member 3 is rotated over a look at a long hole 24 and adjusted its position so that the plane antenna has a desired elevation angle. Once the angle of the stand member 3 is determined, the stand member 3 is fitted to the fitting member 2 in this state by using a fixing screw. The fixing screw is engaged threadably with the crotch part through the long hole 24 and clamped to fix the stand member 3 and fitting member 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand structure in which a planar antenna for receiving a satellite broadcast or the like stands on a floor indoors and outdoors while maintaining a desired elevation angle.

[0002]

2. Description of the Related Art Planar antennas for directly receiving radio waves from broadcast satellites (BS) and communication satellites (CS) have become widespread. In particular, with the miniaturization of antennas, their installation locations are not limited to the use of dedicated posts. , Handrails on the veranda of the building,
It is desired to be able to be easily arranged on a veranda or on a floor near a window in a room. Therefore, it can be installed outdoors through dedicated mounting members and columns, and a stand structure that can adjust the elevation angle is mounted on the back side of the flat antenna, and installed directly on the floor such as a veranda or indoor window There has been proposed an indoor / outdoor type planar antenna that can be used.

FIG. 3 shows a conventional indoor / outdoor type flat antenna 1.
0 shows a stand structure (from Japanese Utility Model Application Laid-open No. Hei. In this conventional example, two fixed legs 51 are attached in a C-shape along the back surface of the flat antenna 10 and the elevation angle of the fixed member 50 attached to the back surface of the flat antenna 10 can be adjusted. Is provided with one adjusting rod 52 which is pivotally supported at a predetermined angle. At the same time, the adjusting rod 52 is adjusted to a desired angle and the knob 53 is turned to be fixed to the fixing member 50 so that the two fixing legs 51 The three-point support of one fixed adjustment rod 52 allows the planar antenna 10 to stand on the floor by itself.

[0004]

By the way, in the above-mentioned stand structure of the conventional planar antenna, first, two
There is a problem that the number of parts is large so that one fixing leg and one adjustment rod are required, and the structure is relatively complicated such that a knob is required for fixing the adjustment rod, which increases the manufacturing cost. In addition, the stand structure attached to the back of the flat antenna is not designed to be easily attached and detached, and it is not easy to handle when switching from indoor use to fixed use outdoors. However, there is also a problem that handling for indoor storage when not in use is not flexible. Furthermore, if one of the adjusting rod and the fixed leg is broken, the entire stand structure becomes unusable, and there is a problem in overall durability.

The present invention has been proposed in order to solve the above-mentioned problems, and has a simple structure, low cost, good handling during mounting and dismounting and storage, and low durability. An object of the present invention is to provide a stand structure for an excellent planar antenna.

[0006]

In order to achieve the above object, a stand structure of a planar antenna according to the present invention is a stand structure for standing on a floor in a state where the planar antenna is adjusted to a desired elevation angle. A U-shaped mounting member attached to the back surface of the antenna and having a pair of left and right pivot holes, and a U-shaped crotch portion having a pair of left and right pivot projections inserted into the pivot holes of the mounting member. A stand member integrally formed with a leg portion opened in a C-shape from the crotch portion to the left and right, and fixing means for fixing the stand member to the mounting member at a desired angle; The leg portion is formed so as to be elastically deformable so as to close.

When the above-described configuration is embodied, the mounting member includes a mounting piece facing the back surface of the planar antenna and side pieces erected on both right and left sides of the mounting piece. The pivot hole is formed, and a long hole is formed in an arc shape around the pivot hole, at least one of the long holes is indicated by an elevation angle around it, and the stand member has the long hole. A screw hole is formed in a portion corresponding to the above, and a fixing screw is screwed into the screw hole via the long hole.

Further, the stand member has a groove formed in the center inside of the crotch portion, and a stopper is provided on the left and right inside of the crotch portion so as to oppose each other to form a stopper for restricting the deformation range of the elastic deformation. It is characterized by.

[0009]

First, a mounting member, which is a single member having a U-shaped cross section, is mounted on the back surface of the flat antenna with screws or the like. The mounting of the stand structure or the setting of the elevation angle is completed only by inserting the pivoting projection of the stand member through a pair of pivot holes formed in the mounting member, adjusting the angle of the stand member, and fixing the stand member to the mounting member. I do.

The stand member is also a single integrally formed part, and the stand member is elastically deformed so that its legs are closed. In this state, the crotch portion of the stand member faces between the side pieces of the mounting member. Then, the pivot projection of the stand member is inserted into the pivot hole of the mounting member. At this time, a groove is formed in the crotch portion of the stand member at the center inside to facilitate elastic deformation. Protrusions are provided on the left and right inner sides of the crotch so as to oppose each other, and form a stopper that regulates a deformation range of elastic deformation.

Further, an arc-shaped long hole is formed around the pivot hole in the side piece of the mounting member, and the rotation angle of the crotch can be confirmed from the long hole. Since the elevation angle is displayed around at least one of the long holes, the rotation angle of the crotch portion can be adjusted so as to obtain a desired elevation angle. After the adjustment, the fixing screw is screwed into the screw hole via the long hole, and the stand member is fixed to the mounting member.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a stand structure mounted on a flat antenna, and FIG. 2 is a plan view of the flat antenna viewed from the back side. 1 is a planar antenna, 2 is a mounting member, 3 is a stand member.

An antenna case 11 is provided on the back surface of the planar antenna 1, and a mounting member 2 is mounted on the surface of the antenna case 11 by screwing.
The mounting member 2 is a single component having a U-shaped cross section including a mounting piece 21 facing the surface of the antenna case 11 and side pieces 22 erected vertically on both left and right sides thereof. It may be formed by bending, or may be formed by integral molding of plastic. A pair of left and right pivot holes 23 are formed in the side piece 22, and a long hole 24 is formed in an arc shape centered on the pivot hole 23. An index 25 indicating the elevation angle of the planar antenna is written around at least one of the long holes 24.

The stand member 3 is a one-piece resin molded product comprising a U-shaped crotch portion 31 and a leg portion 32 which is opened right and left from the crotch portion 31 in a C-shape. When a force is applied to close the leg 31, the horizontal portion of the crotch portion 31 is formed to bend and elastically deform, and the groove 33 formed inside the horizontal portion of the crotch portion 31 is deformed. Is helping. A pair of left and right projections 34 are provided on the inside of the crotch portion 31 so as to face each other, and serve as a stopper for preventing the crotch portion 31 from being excessively deformed during the elastic deformation and damaged. Also, the crotch 31
A pivot projection 35 to be inserted into the pivot hole 23 of the mounting member 2 described above is formed on the left and right outer sides.

The mounting of the stand structure will be described. Antenna case 11 on the back of planar antenna 1
Between the side pieces 22 of the mounting member 2 screwed to the
With the crotch 31 of the stand member 3 elastically deformed in the closed state, the pivotal projection 34 of the stand member 3 is inserted into the pivotal hole 23 of the side piece 22. In this state, the stand member 3 is rotatably attached to the attachment member 2. Then, the stand member 3 is rotated while observing the elongated hole 24 formed in the side piece 31 to adjust the stand member to an angle at which the planar antenna has a desired elevation angle. This is performed by matching the arrow 36 drawn on the side of the crotch 33 visible from the long hole 24 with the index 25 of the elevation display.

When the angle of the stand member 3 is determined, the stand member 3 is fixed to the mounting member 2 in that state. As the fixing means, a fixing screw 4 is used. The fixing screw 4 is screwed into the screw hole 33a (the crotch portion 3) of the crotch portion 33 through the long hole 24.
3 in which a nut is embedded), and the stand member 3 and the mounting member 2 are fixed by tightening the nut.

[0017]

Since the present invention is configured as described above,
The following effects are obtained.

(1) The cost can be reduced by minimizing the number of parts and simplifying the form of the parts.

(2) The stand member can be easily attached to or detached from the attachment member without tools, and handling when changing from indoor installation to outdoor installation or storage when not in use is simple.

(3) The stand member is an integral molded product that is not easily damaged, and even if damaged, the parts can be easily replaced, so that the overall durability of the apparatus is excellent.

[Brief description of the drawings]

FIG. 1 is a side view of a stand structure mounted on a planar antenna of the present invention.

FIG. 2 is a plan view of the stand structure of the planar antenna of the present invention as viewed from the back side.

FIG. 3 is an explanatory view showing a stand structure of a conventional planar antenna.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Planar antenna 2 Mounting member 3 Stand member 4 Fixing screw

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Sou Ohno 7-5-11 Takinogawa, Kita-ku, Tokyo Inside Yokoo Co., Ltd.

Claims (3)

[Claims] 1. A stand structure for self-standing on a floor in a state where a planar antenna is adjusted to a desired elevation angle, wherein the mounting member is mounted on the back surface of the planar antenna and has a pair of left and right pivotal mounting holes and has a U-shaped cross section. And a U-shaped crotch portion provided with a pair of left and right pivot projections to be inserted into a pivot hole of the attachment member, and a leg portion opened right and left from the crotch portion in a C-shape. A planar antenna comprising: a stand member; and fixing means for fixing the stand member to the mounting member at a desired angle, wherein the stand member is formed so as to be elastically deformable so that the legs are closed. Stand structure. 2. The mounting member according to claim 1, wherein the mounting member includes a mounting piece facing the back surface of the planar antenna and side pieces erected on both right and left sides of the mounting piece, and the pivot piece is formed in the side piece. At the same time, a long hole is formed in an arc shape around the pivot hole, and at least one of the long holes has an elevation angle display therearound, and the stand member has a screw hole at a portion corresponding to the long hole. The stand structure for a planar antenna according to claim 1, wherein the fixing screw is formed and a fixing screw is screwed into the screw hole via the elongated hole. 3. The stand member has a groove formed at the center inside of the crotch part, and a stopper for restricting a deformation range of the elastic deformation by forming a protrusion opposing left and right inside of the crotch part. A stand structure for a planar antenna according to claim 1 or 2, wherein: