KR100802597B1 - External antenna assembly - Google Patents

Abstract

An external antenna assembly is provided to be easily assembled and disassembled by simple operation and stably kept and handled. An external antenna assembly(50) comprises an external antenna(52) and an antenna cap(72). The external antenna has a ring-shaped suspension groove(56) along an outer surface of a front end with a connector terminal(54) inserted and coupled into mobile communication equipment. The antenna cap receives the front end of the external antenna through an inlet of one end in a longitudinal direction in a state where the other end is closed. The antenna cap includes a plurality of hook springs(84) to be suspended to the suspension groove inside.

Description

External antenna assembly

1 is an exploded perspective view of a typical wireless communication device and an external antenna.

2 is a perspective view of the external antenna assembly according to the present invention.

3 is an exploded perspective view of an external antenna assembly according to the present invention;

Figure 4 is a detailed exploded perspective view of the external antenna assembly according to the present invention.

5 is an exploded cross-sectional view of an external antenna assembly according to the present invention.

6 is a cross-sectional view of the external antenna assembly according to the present invention.

<Description of the symbols for the main parts of the drawings>

50: external antenna assembly 52: external antenna

52a: connector hole 54: connector terminal

56: locking groove 60: O-ring

62: hinge portion 72: antenna cap

80: holder 82: incision groove

84: hook spring 84a: lead

84b: hook end 86: lansing bending end

90: fixing pin 92: neck

94: flange head

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an external antenna assembly, and more particularly, to an external antenna that is separated or combined from a wireless communication device for a specific service, and an antenna cap dedicated for protecting the same. It relates to an external antenna assembly comprising a.

In line with the recent full-scale information age, rapid technological developments in the field of communication including IT (Information Technology) have followed, and in response, various wireless communication devices are being introduced to provide appropriate services to users through wireless data communication. . These wireless communication devices remained mainly in providing telephone service in the early days, but recently, various functions are supported by the trend of digital conversions based on the portability and universality of wireless communication devices. As a new concept of broadcasting and communication convergence service that provides high quality voice and video services to mobile users based on communication technology, DMB (Digital Multimedia Broadcasting) terminals for digital multimedia broadcasting have been introduced and are in the spotlight.

On the other hand, the general DMB service is divided into terrestrial DMB service using the 54 ~ 805MHz frequency band and satellite DMB service using a frequency band of 2605MHz or more according to the transmission medium, the frequency band of the signal for these DMB service is other general wireless Significant differences with communications. Accordingly, a wireless communication device having a DMB function is equipped with a separate antenna for a corresponding service, and in particular, a satellite wave that needs to obtain high gain regardless of the presence of a satellite repeater along with a terrestrial DMB signal having a relatively low frequency band due to its low frequency band. In order to stably receive the DMB signal, it is inevitable to increase the size of the antenna.

However, when a separate antenna for DMB service is embedded in a wireless communication device, the portability is reduced due to the enlargement of size, which violates the user's demand for light and small size of product size.

Accordingly, in order to satisfy the miniaturization of the wireless communication device despite the size increase of the antenna for stable reception of the DMB service signal, an external antenna freely separated or combined from the wireless communication device according to the user's selection is used.

1 is an exploded perspective view illustrating a general wireless communication device 10 and an external antenna 20.

First, the wireless communication device 10 is a part for providing a voice and video service to a user based on an external signal, and various circuit devices are built therein, and a liquid crystal display device (LCD) is used for screen display on one surface. 12 is provided, and one side is provided with a connector (not shown) to which the external antenna 20 can be connected.

And the external antenna 20 is provided separately from this is coupled to the wireless communication device 10 to selectively transmit and receive the desired service signal, for this purpose one end of the external antenna 20 to the connector of the wireless communication device 10 It forms a connector terminal 22 is fitted.

Therefore, the user can reliably transmit and receive a desired service signal, for example, a DMB signal by inserting and coupling the connector terminal 22 of the external antenna 20 to the connector of the wireless communication device 10, and the wireless communication device 10 By detaching the external antenna 20 from the device, it can be easily carried or other services.

However, the general external antenna 20 is accompanied with various problems in storage and handling, when the external antenna 20 is separated from the wireless communication device 10, one end of the connector terminal 22 to the outside There is a high risk of damage due to direct exposure.

Although a predetermined thread is given to the outer surface of the connector terminal 22 of the external antenna 20, and the thread to be engaged with the threaded antenna cap is stored on the inner surface of the external antenna 20, such a screw antenna cap may be stored in a desired position during storage. The detachment phenomenon frequently occurs, and as a result, various inconveniences such as loss of the antenna cap and damage to the connector terminal 22 of the external antenna 20 are caused.

The present invention has been made to solve the above problems, the external antenna assembly including a dedicated antenna cap that can reliably protect the external antenna and its connector terminal separated or combined from the wireless communication device for a specific service Its purpose is to provide Bly.

Furthermore, the external antenna assembly according to the present invention can be easily assembled and disassembled from the external antenna and the antenna cap through a simple operation of the user, and it is hardly separated after being assembled once, adding stability to storage and handling. Its purpose is to make it slim (slim) form to give an aesthetic sense.

In order to achieve the above object, the present invention is an external antenna assembly that is separated or coupled from a wireless communication device, the external antenna having an annular engaging groove formed along the outer surface of the front end having a connector terminal fitted to the wireless communication device; Wow; One end provides an external antenna assembly including an antenna cap having a plurality of hook springs that are accommodated in the longitudinal direction through the inlet of the other end in a sealed state and having a plurality of hook springs therein. .

At this time, the O-ring groove formed in the rear end of the engaging groove of the external antenna and the O-ring fitted into the O-ring groove; The antenna cap may further include a fitting groove provided along an inner surface of the other end of the antenna cap, the fitting ring of which the O-ring is fitted, and a hinge portion provided between the locking groove and the O-ring groove of the external antenna. Characterized in that.

And further comprising a cylindrical holder fixed along the inner longitudinal direction of the antenna cap, wherein the plurality of hook springs are formed at linear ends and ends of the leads extending from one end of the holder facing the inlet, respectively. It is characterized in that the hook is made of a hook, in this case the holder is adjustable in diameter by the incision groove of one side along the longitudinal direction, the hook is inclined two-stage so that the end of the lead inward and outward It is characterized by being bent.

A fixing pin fitted to the other end of the holder while being fixed in the antenna cap and providing a neck extending through the holder toward the inlet and a flange head at the end of the neck; At least one lancing bent end that is lancing the outer surface of the holder is caught by the flange head is characterized in that it further comprises.

The wireless communication device is characterized by having a DMB function.

EMBODIMENT OF THE INVENTION Hereinafter, this invention is demonstrated in detail with reference to drawings.

2 and 3 are respectively a perspective view showing the coupled and disassembled state of the external antenna assembly 50 according to the present invention, which can be divided into the external antenna 52 and the antenna cap 72 coupled to the front end thereof as shown. Can be.

The dual external antenna 52 is a part which is freely separated or combined from a wireless communication device (refer to 10 of FIG. 1, hereinafter, the same) according to a user's selection. In the former separation state, portability of the wireless communication device according to the use of other services is improved. To this end, one end of the external antenna 52 is provided with a connector terminal 54 for coupling with a wireless communication device, and a connector hole 52a into which a connector pin (not shown) of the wireless communication device is inserted. This can be arranged.

Next, the antenna cap 72 is a portion to protect the connector terminal 54 when the external antenna 52 is separated from the wireless communication device to protect the connector terminal 54, the one end is sealed and the external type through the inlet of the other end The cylindrical shape which accommodates the front-end | tip of the antenna 52 in a longitudinal direction is shown.

Therefore, when a user wants to use a specific service, for example, a DMB service through a wireless communication device, after removing the antenna cap 72 from the external antenna 52 as shown in FIG. 3, the connector at one end of the external antenna 52 By inserting the terminal 54 into the connector of the wireless communication device, the desired service signal can be transmitted and received stably, and after the service is completed, the connector terminal 54 of the external antenna 52 is separated from the wireless communication device. Put the antenna cap 72 on the tip of the external antenna 52 as shown in 2 to store separately.

During this process, the external antenna assembly 50 according to the present invention inserts the front end of the external antenna 52 into the antenna cap 72, and then adds a predetermined force in the direction of insertion thereof to closely couple and close the opposite direction. It shows a hook fitting type for extracting the tip of the external antenna 52 from the antenna cap 72 after separating by force. For this purpose, an annular locking groove is formed along the outer surface of the front end of the external antenna 52. 56 is provided, and a plurality of hook springs (refer to 84 in FIG. 4, which is the same below) that are caught in the engaging groove 56 of the external antenna 52 are provided inside the antenna cap 52. .

In addition, the front end of the external antenna 52 so as to stably maintain the coupling state of the external antenna 52 and the antenna cap 72 as well as to mitigate various shocks that may be applied during separation and coupling and during storage. The rear end of the engaging groove 56 is an O-ring (60) of the elastic body is interposed with the connector terminal 54 is accommodated into the antenna cap 72, in this case, in particular the locking groove of the external antenna 52 ( Between the 56 and the O-ring 60, the hinge portion 62 is provided, which can be bent or unfolded, whereby the O-ring 60 and the hinge portion (including the connector terminal 54 and the engaging groove 56 of the external antenna 52) 62 is housed together within antenna cap 72.

In more detail, the attached FIG. 4 is an exploded perspective view showing in more detail the antenna cap 72 of the external antenna assembly 50 according to the present invention, the holder 80 providing a plurality of hook springs 84 therein. ) And a fixing pin 90 for fixing it in the antenna cap 72.

At this time, the holder 80 shows a cylindrical shape accommodated along the inner longitudinal direction of the antenna cap 72, along the one side of the outer surface is provided with a cutting groove 82 along the longitudinal direction can be made to adjust the diameter. . And a plurality of hook springs 84 are provided at the ends of the holder 80 facing the inlet of the antenna cap 72, each of which is formed at a linear lead 84a and ends thereof extending from the ends of the holder 80; The hook end 84b may be formed, and the double hook end 84b may be completed by bent two-stage obliquely so that the end of the lead 84a is inward and outward. Therefore, the hook end 84b can be stably caught in the locking groove 56 of the tip of the external antenna 52 by the bent portion, and the height of the hook end 84b for this purpose, that is, the maximum outward point from the maximum inward point. The interval t between them is 1 mm or less, preferably about 0.65 to 0.8 mm.

In addition, the fixing pin 90 for fixing the holder 80 to the inside of the antenna cap 72 is one end is fixed to the inside of the antenna cap 72, preferably fixed to the inner surface of one end of the antenna cap 72. A flange 92 at its end and a neck 92 extending into the holder 80 from the other end of the fixing pin 90 inserted in the holder 80, in particular at the end thereof (flange head) 94 may be provided. In this case, at least one lancing bent end 86 may be provided on the outer surface of the holder 80 by lancing processing, and may be fixed to the flange head 94.

In this case, the lancing processing refers to a processing method in which a part of the metal sheet is cut and the remainder is cut. The parallel cutting of the holder 80 is performed by banding the remaining part in parallel with the glass processing. It is possible to complete the lancing bent end 86 from the middle portion of the holder 80 toward the inlet, the end thereof is caught by the flange head 94 of the fixing pin 90 so that the holder 80 is fixed pin 90 It is firmly fixed to the inside of the antenna cap 72 via).

Meanwhile, FIGS. 5 and 6 are cross-sectional views illustrating disassembled and coupled states of the external antenna assembly according to the present invention, respectively, through which the above-described components can be identified in more detail.

That is, as shown, one end of the external antenna 52 can be folded or unfolded by the hinge portion 62 at the same time as the connector terminal 54 provided with the connector hole 52a, the hinge portion 62 between the On both sides, the locking groove 56 on the front end and the O-ring groove 58 on the rear end are respectively provided, and the O-ring 60 is fitted in the double O-ring groove 58.

And a cylindrical antenna for accommodating the locking groove 56, the O-ring 60 and the hinge portion 62, including the connector terminal 54 of the external antenna 52 through the inlet of the other end with one end closed. A cylindrical holder 80 is built into the cap 72 to provide a plurality of hook springs 84, which holder 80 extends into the holder 80 while being fixed in the antenna cap 72. At least one lancing bent end 86 is provided along its outer surface to be secured to the fixing pin 90 providing the 92 and the flange head 94. Therefore, the fixing pin 90 is fixed to the inside of the antenna cap 72, and the lancing bent end 86 of the holder 80 is caught by the neck 92 and the flange head 94 of the fixing pin 90. The entire holder 80 may be tightly fixed inside the antenna cap 72.

Accordingly, as shown in FIG. 6, when the front end of the external antenna 52 is inserted into the antenna cap 72, a predetermined force in the insertion direction is added to the hook end 84b of the hook spring 84 of the holder 80. The O-ring 60, which is caught by the engaging groove 56 of the external antenna 52 and fitted into the O-ring groove 58 of the external antenna 52, is provided on the inner surface near the inlet of the antenna cap 72. It fits in the groove 74 and is fixed stably.

On the other hand, in order to separate the external antenna 52 and the antenna cap 72, the user grips each and applies a predetermined force in the opposite direction of the insertion, through which the hook spring of the holder 80 as shown in FIG. And, strictly, the hook end 84b is detached from the catching groove 56 of the external antenna 52 and at the same time, the O-ring 60 comes out of the fitting groove 74 near the entrance of the antenna cap 72 and is separated from each other. The tip of the external antenna 52 can be pulled out through the inlet of the antenna cap 72. Accordingly, the desired service can be used by inserting the connector terminal 54 at the tip of the external antenna 52 into the wireless communication device.

Although not shown in the drawing with a separate reference during this process, the inner surface of the antenna cap 72 may be provided with a clearance that provides a predetermined clearance for the hook spring 84 of the hook and detachment, This allows the user to more easily separate or combine the external antenna 52 and the antenna cap 72.

As described above, the external antenna assembly according to the present invention provides a dedicated antenna cap capable of stably protecting an external antenna and a connector terminal thereof separated or coupled from a wireless communication device.

In this case, in particular, the external antenna assembly according to the present invention inserts the external antenna tip into the antenna cap, and then adds a predetermined force in the insertion direction to be closely coupled, and then separates the external antenna tip by the force in the opposite direction. It shows the hook coupling method to extract from the antenna cap, so it can be easily assembled and disassembled by simple operation and it is hardly separated after being assembled once, which adds a sense of stability to storage and handling. In addition, the external antenna assembly according to the present invention can exhibit a sufficient coupling force between the external antenna and the antenna cap even if the hook end height is 1 mm or less, and thus the antenna cap may exhibit a degree similar to that of the antenna, resulting in a slim aesthetic feeling as a whole. One form can be shown.

Claims (7)

An external antenna assembly that is separated or combined from a wireless communication device, An external antenna having an annular engaging groove formed along an outer surface of a tip having a connector terminal fitted to the wireless communication device; One end is in an airtight state to receive the external antenna front end in the longitudinal direction through the inlet of the other end, the inside of the antenna cap having a plurality of hook springs that are caught in the engaging groove External antenna assembly comprising a. The method of claim 1, An O-ring groove formed at a rear end of the engaging groove of the external antenna and an O-ring fitted to the O-ring groove; A fitting groove provided along the inner surface of the other end provided with the inlet of the antenna cap and fitted with the O-ring External antenna assembly further comprising. The method of claim 2, Hinge provided between the engaging groove and the O-ring groove of the external antenna External antenna assembly further comprising. The method of claim 1, Cylindrical holder fixed along the inner longitudinal direction of the antenna cap The external antenna assembly further comprises a plurality of hook springs are each formed of a linear lead extending from one end of the holder toward the inlet and a hook formed at the lead end and hooked to the engaging groove. The method of claim 4, wherein The holder is adjustable in diameter by the incision groove of one side along the longitudinal direction, the hook is an external antenna assembly made of two-stage bent obliquely so that the end of the lead inward and outward. The method of claim 4, wherein A fixing pin fitted to the other end of the holder while fixed in the antenna cap and providing a neck extending through the holder toward the inlet and a flange head at the end of the neck; At least one lancing bent end that is lanced to the holder and is caught by the flange head External antenna assembly further comprising. The method of claim 1, The wireless communication device is an external antenna assembly having a DMB function.

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