KR20050018488A - Hinge device for portable wireless terminal - Google Patents

Abstract

The present invention provides a main body formed with side hinge arms facing each other on both sides of the upper end, a folder having a center hinge arm rotatably coupled between the side hinge arms, and accommodated in the center hinge arm to rotate the main body and the folder. A hinge device of a portable wireless terminal having a hinge device for coupling, the center hinge arm having an opening extending in a longitudinal direction at a predetermined position and having a camera lens housing rotatably coupled to the opening. ,

The hinge device may include: a hinge housing accommodated on one side of the center hinge arm and having at least one stopper protrusion protruding from an inner wall of one side end; A support plate rotatably received in the hinge housing, supported on an inner wall of one end of the hinge housing, and having a serration corresponding to the stopper protrusion along a circumferential direction of one surface thereof, and extending from one surface of the hinge housing to one side end of the hinge housing; Disclosed is a hinge device of a portable wireless terminal having a support shaft protruding from the support shaft and supporting the camera lens housing.

Description

Hinge device for portable wireless terminal {HINGE DEVICE FOR PORTABLE WIRELESS TERMINAL}

The present invention relates to a portable wireless terminal, and more particularly to a hinge device of a portable wireless terminal.

In general, the term “portable wireless terminal” refers to a device that a user can carry and perform wireless communication with a counterpart. Such portable wireless terminals are classified into bar-type, flip-type, or folder-type terminals according to their appearance. Bar-type terminal means that the single housing is composed of a bar-shaped body, flip-type terminal means a configuration that the flip or cover is rotatably coupled to the bar-shaped body by a hinge device, folder- The terminal means that the bar-shaped body and another bar-shaped folder are configured in such a way that they are rotatably connected to each other by a hinge device and folded. The hinge device for rotatably coupling the flip, cover or folder to the main body provides a rotational force in a closed or open direction according to the angle formed by the main body and the flip, cover or folder. Such hinge devices are disclosed in various ways through Korean Patent Registration No. 296048 (May 7, 2001), which is granted to the applicant.

In addition, the portable wireless terminal may be classified into a rotation-type or sliding-type terminal according to an opening and closing method. Rotating-type terminal means that the two housings are rotatably connected to open and close facing each other, the sliding-type terminal is the length of the two housings, one housing facing the other housing It means opening and closing by sliding in the direction. The variously classified portable wireless terminals listed above will be readily understood by those of ordinary skill in the art.

Meanwhile, as mobile communication services expand to multimedia service areas such as video call and video providing services, camera lenses are becoming an essential component of portable wireless terminals.

Camera lenses can be classified into fixed camera lenses and rotatable camera lenses according to installed conditions.

The fixed camera lens is installed on a surface facing the display device, so that the subject can be easily photographed by the user who takes the picture, but it is difficult for the user to directly photograph the user.

The rotatable camera lens includes a lens housing rotatably installed on the main body or the folder of the terminal, so that the camera lens can be photographed in various directions according to the user's intention regardless of the direction in which the display device is directed. The rotatable camera lens uses a serration structure, and when the lens housing rotates, it provides a user with a feeling of click and at the same time stabilizes the fixing position of the lens housing. However, in order to install the serration structure in the lens housing, there is a problem that a separate metal plate or the like must be installed.

In order to solve the above problems, the present invention is to provide a hinge device of a portable wireless terminal provided with a serration structure that is easy to assemble the lens housing of the rotatable camera lens.

In order to achieve the above object, the present invention is a main body formed with side hinge arms facing each other on both sides of the upper end, a folder formed with a center hinge arm rotatably coupled between the side hinge arm, and the center hinge arm A hinge apparatus of a portable wireless terminal, the hinge apparatus being accommodated in a hinge device for rotatably coupling the main body and a folder.

The center hinge arm has an opening extending in the longitudinal direction at a predetermined position,

A camera lens housing rotatably coupled on said opening,

The hinge device,

A hinge housing accommodated on one side of the center hinge arm and having at least one stopper protrusion projecting on an inner wall of one side end;

A support plate rotatably received in the hinge housing, supported on an inner wall of one end of the hinge housing, and having a serration corresponding to the stopper protrusion along a circumferential direction of one surface thereof, and extending from one surface of the hinge housing to one side end of the hinge housing; Disclosed is a hinge device of a portable wireless terminal having a support shaft which protrudes to a support protrusion for supporting the camera lens housing.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a perspective view illustrating a portable wireless terminal 10 including a hinge device 200 (shown in FIG. 2) according to a preferred embodiment of the present invention. As shown in FIG. 1, the portable wireless terminal 10 including the hinge device 200 according to the preferred embodiment of the present invention includes a main body 101, a folder 102, a hinge device 200, and a rotatable camera. And a lens housing 105 of the lens.

The main body 101 has side hinge arms 115 formed to face each other on both sides of an upper end thereof, and includes a keypad 111 for performing various data inputs and menu searches on the front surface, and a lower side of the keypad 111. It includes a talker 113 with a built-in microphone device.

The folder 102 has a center hinge arm 125 rotatably coupled between the side hinge arms 115, and the center hinge arm 125 has an opening 127 in a predetermined position. Shown in FIG. The center hinge arm 125 is rotatably coupled between the side hinge arms 115 so that the folder 102 extends in the transverse direction of the body 101 on the body 101. Will rotate about). The opening 127 provides a space in which the lens housing 105 is rotatably coupled.

FIG. 2 is an exploded perspective view showing the portable wireless terminal 10 shown in FIG. 1, FIG. 3 is an exploded perspective view showing the hinge device 200 of the portable wireless terminal 10 shown in FIG. It is a combined perspective view which shows the hinge apparatus 200 of the portable radio terminal 10 shown in FIG. The hinge device 200 of the portable wireless terminal 10 according to an exemplary embodiment of the present invention will be described with reference to FIGS. 2 to 4.

2 to 4, the hinge device 200 of the portable wireless terminal 10 according to the preferred embodiment of the present invention includes a hinge housing 201, a hinge shaft 202, a hinge cam 203, A lens housing 105 having a coil spring 204 and a support shaft 205, which is rotatably coupled to the body 101 and the folder 102, and rotatably coupled to the center hinge arm 125. Will support one side).

The hinge housing 201 provides a receiving space 211 extending in the longitudinal direction and open at one side thereof, and both ends thereof are configured as some open ends having through holes 213a and 213b formed therein, respectively. In addition, the sidewall of the hinge housing 201 is formed with a guide hole 215 extending in the longitudinal direction, the stopper protrusion 217 is provided on the inner wall of one end. The stopper protrusion 217 may be formed at a position where the pair is symmetrical, or at least one pair may be formed at an equiangular interval. The hinge housing 201 is accommodated in the accommodation hole 125b on one side of the center hinge arm 125.

The hinge shaft 202 has a hinge protrusion 221 protruding at one end and protruding through the through hole 213a at the other end of the hinge housing 201, and a ridge portion 223 formed at the other end. The hinge shaft 202 is rotatably housed in the hinge housing 201, and the hinge protrusion 221 is fixedly coupled to the side hinge arm 115 of the body 101.

The hinge cam 203 is formed at one end thereof and includes a valley portion 231 corresponding to the mountain 223 of the hinge shaft 202, and a guide protrusion 233 extending in a longitudinal direction on one side thereof. The guide protrusion 233 linearly moves in the guide hole 215 of the hinge housing 201, such that the hinge cam 203 linearly reciprocates in the hinge housing 201.

On the other hand, the hinge shaft 202 and the hinge cam 203 may be provided with a rotation protrusion 225 and the rotation hole 235 to be engaged with each other to stabilize the rotation of the hinge shaft 202.

The hinge cam 203 is provided with an elastic force in a direction in close contact with the hinge shaft 202 by the coil spring 204. Therefore, when the hinge shaft 202 rotates so that the peak portion 223 is separated from the valley portion 231, the rotation force acting in the direction in which the peak portion 223 and the valley portion 231 mesh with each other is Will occur. This rotational force acts in a direction in which the folder 102 is opened or closed to the main body 101.

The support shaft 205 includes a support plate 251 that is supported on one inner wall of the hinge housing 201 and a support protrusion 255 that extends from the support plate 251 and protrudes to one end of the hinge housing 201. ). A serration of a plurality of protrusions 253 protruding along the circumferential direction is formed on one surface of the support plate 251 facing one inner wall of the hinge housing 201. In addition, the support plate 251 is supported by the coil spring 204 and in close contact with the inner wall of the hinge housing 201. Therefore, when the support shaft 205 rotates, the plurality of protrusions 253 mesh with the stopper protrusion 217 of the hinge housing 201 to provide a user with a click feeling, and the support shaft (not intended by the user) Rotation of 205 is prevented. In addition, the support protrusion 255 protrudes through the opening 127 of the center hinge arm 125 to support one end of the lens housing 105, resulting in rotation of the lens housing 105 not intended by the user. This is to be avoided.

Meanwhile, a hinge dummy 117 is installed at one side hinge arm 115 of the main body 101, and the hinge dummy 117 is coupled through a through hole 125a formed at the other center hinge arm 125. do. The hinge dummy 117 rotatably couples the side hinge arm 115 and the center hinge arm 125 to support the other end of the lens housing 105.

The lens housing 105 has a camera lens exposure window 151 formed on an outer circumferential surface thereof, and coupling holes 153 to which the support protrusion 255 and the hinge dummy 117 are coupled, respectively, are formed at both ends thereof. On the other hand, the support protrusion 255 and the coupling hole 153 of the lens housing 105 to which the support protrusion 255 is coupled are configured in various shapes, not circular, so that when the user rotates the lens housing 105 The support protrusion 255 rotates together, and the user is provided with a click feeling by the serration formed on the support plate 251 and the stopper protrusion 217 of the hinge housing 201.

In the foregoing detailed description of the present invention, specific embodiments have been described. However, it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention.

As described above, the hinge device of the portable wireless terminal according to the present invention is configured to support the lens housing of the rotatable camera lens while being rotatably coupled to the main body and the folder of the terminal, there is an advantage that the assembly is easy. . That is, it is possible to assemble to the lens housing through a simple process of adding a support shaft to the hinge device. Furthermore, the support shaft has a serration structure coupled with the hinge housing, thereby providing a feeling of click to the user while rotating together with the lens housing.

1 is a perspective view showing a portable wireless terminal having a hinge device according to an embodiment of the present invention,

FIG. 2 is an exploded perspective view illustrating the portable wireless terminal shown in FIG. 1;

3 is an exploded perspective view illustrating a hinge device of the portable wireless terminal shown in FIG. 1;

4 is a perspective view illustrating a hinge device of the portable wireless terminal illustrated in FIG. 1.

Claims (3)

A main body formed with side hinge arms facing each other on both sides of an upper end, a folder formed with a center hinge arm rotatably coupled between the side hinge arms, and rotatably coupled with the main body and the folder accommodated in the center hinge arm In the hinge device of a portable wireless terminal having a hinge device to make, The center hinge arm has an opening extending in the longitudinal direction at a predetermined position, A camera lens housing rotatably coupled on said opening, The hinge device, A hinge housing accommodated on one side of the center hinge arm and having at least one stopper protrusion protruding from one end of the inner wall; A support plate rotatably received in the hinge housing, supported on an inner wall of one end of the hinge housing, and having a serration corresponding to the stopper protrusion along a circumferential direction of one surface thereof, and extending from one surface of the hinge housing to one side end of the hinge housing; The hinge device of a portable wireless terminal, characterized in that it has a support shaft formed with a support protrusion protruding to support the camera lens housing. The method of claim 1, wherein the hinge device, A hinge shaft rotatably received in the hinge housing and having a hinge protrusion projecting to the other end of the hinge housing; A hinge cam accommodated linearly in the hinge housing and provided with an elastic force in a direction in close contact with the hinge shaft; And And a coil spring having one end supported by a support plate of the support shaft and the other end supported by the hinge cam. 3. The hinge device of claim 2, wherein A mountain portion is formed on one surface of the hinge shaft, On one surface of the hinge cam is formed a valley corresponding to the mountain portion, And the hinge cam rotates the hinge shaft in a direction in which the peak portion and the bone portion engage with each other when the hinge cam receives the elastic force of the coil spring.