JPH0310501A - Antenna mount device - Google Patents

Abstract

PURPOSE:To simplify the constitution, to reduce the cost and to improve the assembly performance by fitting a support mount frame and an antenna mount frame with an engagement means having a corresponding conical projection and recessed part turnably and adjusting the elevating angle with an elevating angle adjustment bolt provided to the support frame. CONSTITUTION:A conical recessed part is provided corresponding to a conical projection 32 provided to a head 25a of a mount frame 25 is provided to a projection 21a of a movable mount frame 21. Moreover, a projection piece 33 is provided near the conical recessed part of the projection 21a of the movable mount frame 21 and engages with a groove part 34. A screw hole 35 is provided in a way of penetrating through the groove part 34 and an elevating angle adjustment bolt 30 is screwed to the screw hole 35. While the conical recessed part of the movable mount frame 21 and the conical projection 32 of the mount frame 25 are engaged, the bolt 30 is secured from the upper part to press the tip in contact with the projection piece 33 to attain the elevating angle adjustment.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an antenna mounting device suitable for use, for example, in receiving satellite broadcasting.

[Summary of the invention]

In this invention, an antenna mounting frame is rotatably attached to a column mounting frame by an engagement means of a conical convex portion and a corresponding conical concave portion, a fixing bolt is provided by penetrating the conical concave portion and the convex portion, and the antenna mounting frame is rotatably attached to a column mounting frame. By configuring the mounting base to include an elevation adjustment bolt that adjusts the elevation angle by inserting pressure into the protrusion provided on the antenna mounting base, the number of parts can be reduced (thus simplifying the configuration and reducing costs). At the same time, it is designed to improve ease of assembly.

[Conventional technology]

Various types of elevation adjustment mechanisms have been proposed in the past for antenna devices for receiving satellite broadcasting, and FIG. 5 is an example of such mechanisms (Japanese Patent Application Laid-Open No. 62-301917). That is, in Fig. 5, four bolts (2) are installed on the back of the parabolic antenna (1), and these bolts (2)
) is attached with a movable mounting frame (3).

In addition, a mounting frame (5) is attached to the upper end of the pole (4) with a U-bolt (6) for fixing the horizontal position.
) to the movable mounting frame (3) with bolts (7) and (8).
is installed. The bolt (8) is for fixing the elevation angle and is long (9
), which allows the movable mounting frame (3) to be attached to the bolt (
Starting at point 7), it can be moved in the direction of length (9), allowing for rough adjustment of the elevation angle.

Also, one end of the elevation adjustment bolt (10) is locked to the movable mounting frame (3), and the other end is provided with an elevation adjustment wing nut (11).
), the bolt attachment (12) and the elevation adjustment fixing wing nut (13) are inserted. And the bolt attachment (12) is fixed to the mounting frame (5),
By turning the wing nuts (11) and (13), the pole (10) is moved, which allows fine adjustment of the elevation angle. Note that washers (not shown) are inserted between the bolt attachment (12) and the nuts 1-(11) and (13), respectively.

[Problem to be solved by the invention]

By the way, in the case of the conventional device having the above-mentioned configuration, the mounting frame section is composed of a movable mounting frame (3), a mounting frame (5), and bolts and nuts for fixing them, and the pole (4) is connected to a U-bolt. (6) Since it has a structure in which it is fixed, it has disadvantages such as a very large number of parts, a complicated structure, and high cost.

The elevation angle fine adjustment mechanism also includes a bolt (10) and a wing nut (1).
1), (13) Since it consists of a bolt attachment (12), two washers, and six parts, there are many parts, the configuration is complex, it is troublesome to assemble, and it is expensive. There was a drawback.

The present invention has been made in view of these points, and it is an object of the present invention to provide an antenna mounting device that can reduce the number of parts, simplify the structure, improve ease of assembly, and reduce costs.

[Means for solving the problem] The antenna mounting mount (21) is attached to the column mounting mount (25).
) is rotatably attached to the conical convex part (32) and the corresponding conical concave part (not shown) by engagement means, and a fixed pole (26) is provided by passing through the conical concave part and the convex part, and the support column is The mounting frame (25) is configured to be provided with an elevation adjustment bolt (30) that adjusts the elevation angle by pressing a protrusion (33) provided on the antenna mounting frame (21).

[Effect]

A conical convex portion (32) is provided on the column mounting frame (25), and a conical concave portion is provided in the antenna mounting frame (21) correspondingly, and the convex portion (32) and the concave portion are engaged to be rotatably mounted. , these are fixed with fixing holes (26) that pass through the concave portions and convex portions (32). In addition, the pillar mounting frame (25)
An elevation angle adjustment bolt (30) is provided at the antenna mounting frame (21), and the elevation angle is adjusted by pushing the protrusion (33) provided on the antenna mounting frame (21). At this time, loosely tighten the fixing bolt (26) and attach the column mounting frame (25) and antenna mounting frame (
21) so that it rotates smoothly. With this configuration, the elevation angle adjustment part only requires tightening one bolt for elevation angle adjustment and one bolt for fixing, making assembly and adjustment very easy, and the number of screws and other parts used is small.
It is also inexpensive in terms of cost.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail based on FIGS. 1 to 4.

FIG. 1 is a perspective view showing the entirety of this embodiment.

In the same figure, (20) is a day dish as a parabolic antenna, (21) is a movable mounting frame, and this movable mounting frame (21) is attached to the back of the day dish (20) with four ports (22) Installed. (23) is an arm attached to the movable mount (21), and a converter (24) is attached to the tip of this arm (23).

Reference numeral (25) denotes a mounting frame for attaching the support column, and this mounting frame (25) and the movable mounting frame (21) are connected by one elevation angle fixed pole (26). Here, the joint surface of the movable mounting frame (21) and the mounting frame (25) has a conical concave portion and a conical convex portion, as described later, and the pole (26) that passes through the concave portion and the conical convex portion. Tightening ensures that they are engaged and fixed. In this way, the frame (2
When 1) and (25) are fixed with bolts (26), they engage very tightly, so two release bolts (27) must be attached to loosen the frames (21) and (25). When loosening the frames (21) and (25), loosen the bolt (26) and screw in the two bolts (27). (28) is a pole as a support, and this pole (28) and the mounting frame (25) are fixed by a horizontal position fixing pole (29). (30) is an elevation adjustment bolt, and when adjusting the elevation angle, bolt (26)
) should be loosely tightened so that the frames (21) and (25) can be rotated remotely.

FIG. 2 shows an exploded view of the movable mounting frame (21) and the mounting frame (25), and parts corresponding to those in FIG. 1 will be described with the same reference numerals.

The movable mounting frame (21) consists of a semicircular protrusion (21a) and leg parts (21b) projecting from the semicircular protrusion in four directions. 4
A through hole (31) is provided in each of the legs (21b),
A movable mounting frame (21) is attached to the rear surface of the dish (20) by means of a pole (22) through this through hole (3 holes).

The protrusion (21a) of the movable mounting frame (21) has a mounting frame (
The conical convex portion (32) provided on the head (25a) of
) is provided with a conical recess (not shown). Further, a protrusion (33) is provided near the conical recess of the protrusion (21a) of the movable mounting frame (21), and this protrusion (33)
is adapted to engage with a groove (34) provided corresponding to the head (25a) of the mounting frame (25).

A tapped hole (35) is provided in the head (25a) of the mounting frame (25) so as to penetrate through this groove (34), and the elevation adjustment bolt (30) is inserted into this screw hole (35). Screw together.

Then, the conical recess of the movable mounting frame (21) and the mounting frame (
When the conical protrusion (32) of (25) is engaged, the protrusion (
33) will also fit into the groove (34), so in this state screw in the bolt (30) from the top and insert its tip into the protrusion (33).
), the elevation angle can be adjusted by pressing the button.

Of course, at this time, the elevation angle fixing bolt (26) is in a loosened state.

Two screw holes (36) are provided in the body part (25b) of the mounting frame (25), and horizontal position fixing bolts (
29) are screwed together and their tips abut against the pole (2B) (Fig. 1), which causes the mounting frame (25) to attach to the pole (2B) (Fig. 1).
8).

Figure 3 shows a plan view when the movable mounting frame (21) and mounting frame (25) are assembled as shown in Figure 2. It is shown in Figure 4. In Figure 4, by tightening the elevation adjustment bolt (30) with the elevation angle fixing bolt (26) attached to the movable mounting frame (21) free, the conical protrusion (32)
The tip of the pole l-(30) pushes or pulls the protrusion (33) around the center to adjust the elevation angle of the movable mounting base (21). Next, the elevation angle fixing bolt (26) is tightened, whereby the conical concave portion of the movable mounting frame (21) and the conical convex portion (32) of the mounting frame (25) are securely engaged and fixed.

In this way, in this embodiment, the joint surfaces of the movable mounting frame (21) and the mounting frame (25) are made conical, and the frames (21) and (25) are drawn in with one elevation angle fixing bolt (26), so that the friction between Secure firmly with force. Therefore, the number of screw parts is reduced compared to the past, and if you look at the elevation angle adjustment part, there were 5 bolts and 6 nuts compared to the past.

Six washers were required, but in this example only four bolts,
It can be seen that the number of parts is extremely reduced, as only 0 nuts and washers are required. As a result, the structure is simple, the assembly is easy, and the cost is low.

(Effects of the Invention) As described above, according to the present invention, the column mounting frame and the antenna mounting frame are rotatably attached by the engagement means of the corresponding conical convex portion and concave portion, and the elevation adjustment bolt provided on the column mounting frame The angle of elevation is adjusted by applying pressure to the protrusion provided on the antenna mounting frame, and the column mounting frame and antenna mounting frame are fixed using fixing bolts that pass through the conical concave and convex portions, reducing the number of parts. It is possible to simplify the process, reduce costs, and improve ease of assembly.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing an embodiment of the present invention, Fig. 2 is an exploded perspective view of the main parts of the invention, Fig. 3 is a plan view of the main parts of the invention, and Fig. 4 is the same as Fig. 3. Sectional view along line I■, 5th
The figure is a configuration diagram of a conventional example. (20) is a dateshu, (21) is a movable mounting frame, (2
5) is the mounting frame, (26) is the elevation fixing bolt, (28)
is a pole, (30) is an elevation adjustment bolt, (32) is a conical convex portion, (33) is a protrusion, and (34) is a groove portion.

Claims (1)

[Scope of Claims] The antenna mounting frame is rotatably attached to the column mounting frame by engagement means of a conical convex portion and a corresponding conical concave portion, and a fixing bolt is inserted through the conical concave portion and the conical convex portion. An antenna mounting device characterized in that an elevation angle adjustment bolt is provided on the pillar mounting frame and pressurizes a protrusion provided on the antenna mounting frame to adjust the elevation angle.