JP2002016416A - Antenna mounting structure for communication terminal for moving object - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an antenna mounting structure for communication terminal for moving object, with which a fitting metal for fitting an antenna to a main body can be surely fixed in a simple structure and production costs can be reduced. SOLUTION: This structure has a fitting metal 20, which is fixed inside a rear case 10, for fixing an antenna 1, this fitting metal 20 is provided with a protruded projection 22 and a fitting part 12a to be fitted with the projection 22 is formed by extending a rib 12 over the rear case 10. Thus, the projection 22 of the fitting metal 20 is pressed, positioned into the fitting part 12a of the rear case 10 and provided to prevent the rotation of the fitting metal 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna mounting structure for a mobile communication terminal, and more particularly, to a mobile body having a mounting bracket housed in a main body of the mobile communication terminal and fixing the antenna from outside. The present invention relates to an antenna mounting structure for a communication terminal.

[0002]

2. Description of the Related Art Conventionally, in an antenna mounting structure of a mobile communication terminal, for example, in a portable telephone such as a PHS telephone and a portable telephone, a rib is integrally formed in accordance with an outer shape of a mounting bracket for mounting an antenna to a telephone body. Then, an antenna is attached from the outside of the main body by fixing a mounting bracket to the rib. In such a conventional antenna mounting structure of a mobile communication terminal, since the antenna is screwed into the mounting bracket from the outside of the main body with a screw, it is important to securely fix the mounting bracket in the main body to prevent rotation. Become. FIG. 6 is an exploded perspective view showing the antenna mounting structure of the conventional mobile communication terminal in which the mounting bracket is fixed in the main body as described above. FIG. 7 shows the antenna 1 shown in FIG.
FIG. 7 is a perspective view showing a state in which is fixed to a rear case 70.
FIG. 8 is a sectional view showing a section taken along line BB shown in FIG.

As shown in FIG. 6, a conventional antenna mounting structure for a mobile communication terminal is employed in a PHS telephone, and the outer body of the PHS telephone is fitted to a front case (not shown). A rear case 70, an antenna 1 fixed from outside the rear case 70, and an antenna 1 fixed inside the rear case 70 and inserted from the outside.
And a mounting bracket 80 for engaging the one end of the antenna 1 and fixing the antenna 1 to the rear case 70. Here, antenna 1
Has a screw portion 1a which is inserted into the rear case 70 on one end side and fastened to the mounting bracket 80 by screwing of the screw thread. In addition, the mounting bracket 80 has a screw hole 84 at one end side to which the antenna 1 is fastened and electrically connected. Also,
An antenna terminal 86 that is electrically connected to a circuit board (not shown) housed in the PHS telephone main body and transmits information received by the antenna 1 to the circuit board is provided on the mounting bracket 80.
Is provided.

[0004] The rear case 70 is fitted with a front case (not shown) to form the exterior of the PHS telephone body, and houses therein a plurality of electronic components such as the above-mentioned circuit board. . The rear case 70 has an antenna insertion hole 74 which is formed at a predetermined end and penetrates and opens and is formed so that the screw portion 1a of the antenna 1 can be inserted into the antenna insertion hole 74 from outside. . Further, a rib 72 for holding and fixing the mounting bracket 80 is formed integrally with the rear case 70 near the antenna insertion hole 74. The rib 72 is formed with a holding portion 72a formed in a concave shape in accordance with the outer shape of the mounting bracket 80 (the outer periphery of an octagonal column in FIG. 6), and formed so as to support and fix the outer circumference of the mounting bracket 80. ing.

A main body (rear case 7) using the antenna mounting structure of the conventional mobile communication terminal having such a configuration.
When mounting the antenna 1 on the mounting bracket 80, first, the mounting bracket 80 is used.
Is fitted to the holding portion 72a of the rib 72 shown in FIG. At this time, the mounting bracket 80 is attached to the holding portion 72 of the rib 72.
a, as shown in FIG.
Are arranged so as to protrude upward, and are mounted such that the circuit board abuts on the antenna terminal 86 and is electrically connected thereto.
Thus, as shown in FIG. 8, the outer periphery (octagonal outer periphery) of the mounting bracket 80 can be prevented from being rotated in the rear case 70 by being fixed by the holding portion 72 a of the rib 72. When the mounting bracket 80 is mounted on the rear case 70, the antenna 1 is inserted into the antenna insertion hole 74 while rotating the antenna 1 as shown in FIG. And the antenna 1 can be fixed to the rear case 70 as shown in FIG. As described above, in the conventional antenna mounting structure of the mobile communication terminal, the holding portion 72a formed according to the outer shape of the mounting bracket 80 is provided on the rib 72 formed in the rear case 70, and the mounting bracket 80 is provided on the holding portion 72a. Is fixed so that the antenna 1 can be attached to the rear case 70.

[0006]

However, in the conventional antenna mounting structure for a mobile communication terminal, as shown in FIG. 6, when mounting the mounting bracket 80 to the rib 72 of the rear case 70, the mounting bracket 80 can be mounted. As described above, the holding portion 72a of the rib 72 must be formed in a concave shape, and cannot be formed in an annular shape so as to cover the entire outer periphery of the mounting bracket 80. Therefore, the rear case 70 is grasped with one hand and the other hand is used. Therefore, when the antenna 1 is gripped and mounted, the mounting bracket 80 may be dropped unless it is held down by the holding portion 72a of the rear case 70. In the conventional antenna mounting structure for a mobile communication terminal, the holding portion 72 of the rib 72 is not provided.
Since a is formed in a concave shape, the fixing of the holding portion 72a for mounting and holding the mounting bracket 80 is partially fixed, and when the antenna 1 is rotated and attached to or detached from the mounting bracket 80, the mounting bracket 80 is The antenna 1 is rotated or rolled right and left together with the antenna 1, making it difficult to securely screw it to the end, and causing the antenna terminal 86 to be displaced due to the rotation, thereby lowering the work efficiency in the assembly process. was there. Further, in the conventional antenna mounting structure for a mobile communication terminal, the holding portion 72a of the rib 72 is formed in a concave shape so that the mounting bracket 80 can be mounted when the mounting bracket 80 is mounted on the rib 72 of the rear case 70. There is a problem that the shape of the mold 72 becomes complicated and the manufacturing cost of a mold and the like increases. An object of the present invention is to solve such a problem and to provide an antenna mounting structure for a mobile communication terminal capable of securely fixing a mounting bracket for mounting an antenna to a main body with a simple structure and reducing manufacturing costs.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an antenna mounting method for a mobile communication terminal having a mounting bracket housed in a main body of the mobile communication terminal and fixing the antenna from the outside. A structure in which a protruding portion is provided on one of the main body and the mounting bracket, and a fitting portion for extending the rib and fitting the protruding portion is provided on the other, thereby positioning the mounting bracket in the main body. And to prevent rotation of the mounting bracket. Here, the rib is formed on either the concave fitting portion surrounding the outer periphery by inserting the projection or the fitting portion partially surrounding the outer periphery of the projection, and the projection is pressed into the fitting portion (narrow). (Fitting) and fixing. Further, it is preferable that the antenna is provided with a screw portion which is inserted into one end from an antenna insertion hole opened in the main body and is rotated and screwed into a mounting bracket housed therein. Also,
It is preferable that at least one protrusion is provided on one of the main body and the mounting bracket. The main body is
It is a main body of a mobile phone comprising a front case and a rear case, and it is preferable that either the fitting portion or the protrusion is formed integrally with the rear case.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of an antenna mounting structure for a mobile communication terminal according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an exploded perspective view showing an embodiment of an antenna mounting structure for a mobile communication terminal according to the present invention. FIG. 2 is a perspective view showing a state in which the antenna 1 shown in FIG. FIG. 3 is a cross-sectional view showing a cross section taken along line AA shown in FIG.

As shown in FIG. 1, an embodiment of an antenna mounting structure for a mobile communication terminal according to the present invention is employed in a PHS telephone as in the prior art shown in FIG. A rear case 10 having an exterior formed by fitting with a front case (not shown), an antenna 1 fixed from the outside of the rear case 10, and an antenna 1 fixed inside the rear case 10 and inserted from the outside. A mounting bracket 20 is provided for engaging the one end side and fixing the antenna 1 to the rear case 10.

Here, the antenna 1 has a threaded portion 1a which is inserted into one end of the front case 10 and fastened to the mounting bracket 20. In addition, the mounting bracket 20 has a screw hole 24 that is screwed with the screw portion 1a of the antenna 1 and electrically connected thereto.
Is formed. Further, the mounting bracket 20 is provided with an antenna terminal 26 that is electrically connected to a circuit board (not shown) housed in the PHS telephone body and transmits information received by the antenna 1 to the circuit board. This mounting bracket 2
Numeral 0 is different from the prior art shown in FIG. 6 in that the projection 22 protrudes from the bottom of the antenna terminal 26.

The rear case 10 is fitted with a front case (not shown) to form the exterior of the PHS telephone body, similarly to the prior art shown in FIG. And a plurality of electronic components. The rear case 10 has an antenna insertion hole 14 formed at a predetermined end thereof so as to penetrate and open in a cylindrical shape, and is formed so that the screw portion 1a of the antenna 1 can be inserted into the antenna insertion hole 14 from the outside. . A rib 12 for fixing the mounting bracket 20 near the antenna insertion hole 14 is provided on the rear case 10.
Are integrally formed. Unlike the conventional technique shown in FIG. 6, the rib 12 forms a concave fitting portion 12a that can be positioned by inserting the projection 22 of the mounting bracket 20.
The fitting portion 12a is formed according to the outer shape of the projection 22 so that the projection 22 of the mounting bracket 20 is press-fitted (narrowly fitted) and fixed.

When the antenna 1 is mounted on the main body (rear case 10) using the embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention having such a configuration, first, the mounting bracket 20 is attached to the main body (FIG. 1). Attach according to the ribs 12 shown. At this time, the mounting bracket 20 is positioned by press-fitting the protruding portion 22 into the fitting portion 12a of the rear case 10, and is fixed with the antenna terminal 26 protruding upward as shown in FIG. As a result, the mounting bracket 20 is electrically connected to the circuit board (not shown) and the antenna terminal 26 in the main body, and the protruding portion 22 is connected to the fitting portion 12a as shown in FIG. It is securely fixed and rotation in the main body can be prevented. After the mounting bracket 20 is mounted on the rear case 10, the antenna 1 is rotated and inserted into the antenna insertion hole 14 as shown in FIG.
2, the antenna 1 can be fixed to the rear case 10 as shown in FIG.

Therefore, according to the embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention, the mounting bracket 20 is rearwardly fitted by press-fitting (narrowly fitting) the fitting portion 12a into the fitting portion 12a. Since it can be fixed to the case 10, the mounting bracket 20 can be prevented from coming off the rear case 10 when the antenna 1 is mounted. Further, according to the present embodiment, as shown in FIG. 3, the mounting bracket 20 is fixed to the rear case 10 by press-fitting and positioning the protrusion 22 into the fitting portion 12a. FIG.
As shown in FIG. 2, when the mounting bracket 20 is rotated and attached to or detached from the mounting bracket 20, the mounting bracket 20 can be prevented from rotating at the same time, and can be firmly screwed (fastened) to the end, as shown in FIG. It is possible to prevent the antenna terminal 26 from being displaced and the mounting bracket 20 from being displaced rearward.

Further, according to the present embodiment, the thin plate-shaped rib 12 and the projection 2
2 can be securely fixed to the rear case 10 by a simple structure in which each of the ribs 1 and 2 is press-fitted.
2 has a simple structure, and it is possible to reduce the manufacturing cost of a mold and the like. Here, in the present embodiment, the embodiment in which the fitting portion 12a is formed so that the rib 12 of the rear case 10 surrounds the protrusion 22 of the mounting bracket 20, but the present invention is not limited to this. For example, a fitting portion that surrounds and fixes a part of the left and right sides with respect to the rotation direction of the protrusion may be formed in the rear case. FIG. 4 is a perspective view showing another embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention in which the fitting portion for partially surrounding and fixing the left and right portions of the protrusion is provided.

As shown in FIG. 4, another embodiment of the antenna mounting structure for a mobile communication terminal according to the present invention includes a mounting bracket 40 having a projection 42 formed thereon.
A rear case 30 for mounting the rear case 30 is provided.
An antenna (not shown) which is fastened and fixed to the mounting bracket 40 is provided. Here, FIG.
Unlike the rear case shown in FIG. 2, the fitting portion is formed so as not to surround the projection 42,
a is provided. Such a fitting portion 32a can prevent the mounting bracket 40 from rotating and also prevent the rearward positional deviation at the same time.

Therefore, according to another embodiment of the antenna mounting structure for a mobile communication terminal according to the present invention, the rotation of the mounting bracket 40 can be prevented and the rearward displacement can be prevented at the same time. In addition, the same effect as the antenna mounting structure of the mobile communication terminal shown in FIG. 1 can be obtained, and the rib 32 is formed only on the left and right portions of the protrusion 42 to make the structure of the rib 32 simpler. It can be formed, and the manufacturing cost of molds and the like can be reduced.

Further, in the antenna mounting structure for a mobile communication terminal shown in FIG.
Although the embodiment in which the fitting portion 12a made of the rib 12 is formed in the rear case 10 has been described, the present invention is not limited to this. For example, a fitting portion may be provided on a mounting bracket and a projection may be provided on the rear case. Is also possible. FIG. 5 is a perspective view showing still another embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention in which the fitting portion is provided on the mounting bracket and the projection is provided on the rear case.

As shown in FIG. 5, still another embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention is as follows.
Unlike the antenna mounting structure of the mobile communication terminal shown in FIGS. 1 and 4, a mounting bracket 60 having a fitting surface 62 a formed by extending a rib 62 and enclosing a rectangular shape on a predetermined surface is provided. An antenna (not shown) that is provided with a rear case 50 integrally formed with a projection 52 that is press-fitted (narrowly fitted) into the fitting portion 62a of the metal fitting 60 and that is fastened and fixed to the mounting metal 60 fixed to the rear case 50 ).

Here, unlike the rear case shown in FIGS. 1 and 4, the rear case 50 is not formed so as to surround the ribs, but is integrally formed with a projection 52 projecting at a predetermined height. Has formed. In addition, the mounting bracket 60 has a concave fitting portion 62 which is formed in a rectangular shape by extending a rib 62 on a predetermined surface.
a is formed integrally, and the rear case 5
The projection 52 is formed so as to be press-fitted. Therefore, the mounting bracket 60 can be prevented from rotating by preventing the fitting portion 62a from being pressed into the protruding portion 52 of the rear case 50, and can simultaneously be prevented from being displaced rearward.

According to still another embodiment of the antenna mounting structure for a mobile communication terminal according to the present invention, since the mounting bracket 60 can be prevented from rotating and the rearward displacement can be prevented at the same time, FIG. The same effect as the antenna mounting structure of the mobile communication terminal shown in can be obtained,
The rear case 50 is the rear case 1 shown in FIGS.
Compared with the case of 0 and 30, the protrusion 52 can be formed in a simple structure integrally formed, and the manufacturing cost of a mold and the like can be further reduced.

Although the embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention has been described in detail, the present invention is not limited to the above-described embodiment, and does not depart from the gist of the present invention. Can be changed. For example, the embodiment in which the antenna mounting structure of the mobile communication terminal according to the present invention is adopted in the PHS telephone has been described. However, the present invention is not limited to this, and is applicable to mobile communication terminals such as mobile phones and portable wireless devices. Is also applicable. Further, the embodiment in which only one projection is provided on one of the rear case and the mounting bracket has been described. However, the present invention is not limited to this. And the mounting bracket may be more securely fixed.

[0022]

As described above, according to the antenna mounting structure of the mobile communication terminal according to the present invention, the mounting bracket is fixed to the main body by press-fitting (narrowly fitting) the protrusion into the fitting portion and positioning. Therefore, there is no need to hold down the mounting bracket when mounting the antenna, and the antenna can be easily mounted by holding the main body with one hand and holding the antenna with the other hand, thereby preventing the mounting bracket from falling. Further, according to the antenna mounting structure of the mobile communication terminal according to the present invention, the mounting bracket is fixed to the main body by press-fitting and positioning the protrusion into the fitting portion. When attaching to and detaching from the bracket, it is possible to prevent the mounting bracket from rotating at the same time, and it is possible to firmly screw (fasten) it to the end, and also to prevent the positional displacement of the antenna terminal and the rearward displacement of the mounting bracket. In addition, workability in the assembling process can be improved. Furthermore, according to the antenna mounting structure of the mobile communication terminal according to the present invention, the mounting bracket is securely attached to the main body with a simple structure in which a fitting portion is provided on one of the main body and the mounting bracket and a projection is formed on the other. Since it can be fixed, the fixing structure between the main body and the mounting bracket can be formed in a simple structure, and the manufacturing cost of a mold and the like can be reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of an antenna mounting structure of a mobile communication terminal according to the present invention.

FIG. 2 is a perspective view showing a state in which the antenna shown in FIG. 1 is fixed to a rear case.

FIG. 3 is a sectional view showing a section taken along line AA shown in FIG. 2;

FIG. 4 is a perspective view showing another embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention.

FIG. 5 is a perspective view showing still another embodiment of the antenna mounting structure of the mobile communication terminal according to the present invention.

FIG. 6 is an exploded perspective view showing an antenna mounting structure of a conventional mobile communication terminal.

7 is a perspective view showing a state in which the antenna shown in FIG. 6 is fixed to a rear case.

8 is a sectional view showing a section taken along line BB shown in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Antenna 1a Screw part 10 Rear case 12 Rib 12a Fitting part 14 Antenna insertion hole 20 Mounting bracket 22 Projection part 24 Screw hole 26 Antenna terminal

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4E353 AA13 AA17 AA18 AA19 BB02 CC01 CC07 CC12 CC26 CC33 DD02 DD11 DR08 DR17 DR23 DR34 DR46 DR57 EE03 GG07 GG09 GG21 5J047 AA09 AB06 FA03 FA04 FA05 5K023 AA07 BB04 DD06 EE

Claims (5)

[Claims] 1. An antenna mounting structure for a mobile communication terminal having a mounting bracket housed in a main body of the mobile communication terminal and fixing an antenna from the outside, wherein a protrusion protruding from one of the main body and the mounting bracket. By providing a fitting portion for fitting the protrusion by extending a rib on the other side, the fitting is positioned in the main body, and provided so as to prevent rotation of the fitting. An antenna mounting structure for a mobile communication terminal. 2. The antenna mounting structure for a mobile communication terminal according to claim 1, wherein said rib partially surrounds an outer periphery of said projection or a concave fitting portion surrounding said outer periphery by inserting said projection. An antenna mounting structure for a mobile communication terminal, wherein the antenna mounting structure is formed in any one of the fitting portions and formed so as to press-fit (narrowly fit) the projection into the fitting portion. 3. The antenna mounting structure for a mobile communication terminal according to claim 1, wherein the antenna is rotated by the mounting bracket housed inside by inserting one end from an antenna insertion hole opened in the main body. An antenna mounting structure for a mobile communication terminal, wherein a screw portion to be screwed is provided. 4. The mobile communication terminal according to claim 1, wherein at least one of the protrusions is provided on at least one of the main body and the mounting bracket. Antenna mounting structure for communication terminals. 5. The antenna mounting structure for a mobile communication terminal according to claim 1, wherein the main body is a main body of a mobile phone including a front case and a rear case, and the fitting portion or the protrusion is provided on the rear case. An antenna mounting structure for a mobile communication terminal, wherein one of the parts is integrally formed.