KR20050020404A - Hinge coupling unit for portable terminal - Google Patents

Abstract

PURPOSE: A hinge coupling device of a mobile terminal is provided to facilitate the assembling of a main body and a folder of a mobile terminal having a camera lens housing. CONSTITUTION: A hinge dummy(203) is fixedly coupled at its one end to a side hinge arm(115) and rotatably coupled to a central hinge arm(125) at one side of an opening, and has a guide protrusion(233) at an outer circumferential surface of the other end thereof. A through-hole(125a) is formed in a longitudinal direction at the central hinge arm(125) so as for the hinge dummy(203) to be rotatably coupled in the direction of the opening from one end of the central hinge arm(125). A guide groove(109) is formed at an inner circumferential surface of the through hole(125a) and provides a path for the guide protrusion(233) to pass therealong.

Description

Hinge Coupling Device for Portable Terminal {HINGE COUPLING UNIT FOR PORTABLE TERMINAL}

The present invention relates to a portable terminal, and more particularly, to a hinge coupling device of a portable terminal for rotatably coupling the main body and the folder.

With the development of the information and communication industry, portable terminals having various functions and forms are being released. In the form of a portable terminal, a general bar type terminal, a flip type terminal having a flip cover, and a folder type having a folder installed to be opened and closed at a predetermined angle on a main body ( folder type) such as a terminal.

In addition to the basic functions of transmitting and receiving voice with the other party, the terminals have various functions, for example, functions such as e-mail and data transmission, Internet games, and text transmission. In addition, with the recent introduction of new communication technologies such as CDMA 1x EVDO, service areas such as video communication and video service between terminal users are gradually expanding. As the service area is expanded to video communication and video service using a portable terminal, a camera lens is becoming an essential element of the portable terminal.

The camera lens of the portable terminal has various forms such as a fixed camera lens having an exposure window formed through the outer circumferential surface of the terminal, and a rotatable camera lens rotatably installed on the hinge axis of the folder type terminal.

A typical folder type terminal has a pair of side hinge arms formed on both sides of an upper end of the main body and facing each other, and a center hinge arm formed at one end of the folder and rotatably coupled between the side hinge arms. . A hinge device that provides a rotational force in a direction in which the folder is opened or closed according to the opening angle of the folder is accommodated on one side of the center hinge arm and connected to the side hinge arm, and a predetermined hinge on the other side of the center hinge arm. The dummy connects the center hinge arm and the side hinge arm. Such a folder type terminal and its hinge coupling device are disclosed in Korean Patent No. 296048 (May 7, 2001) issued to the applicant.

Meanwhile, the rotatable camera lens installed in the folder type terminal may be installed on the side hinge arm of the one side, or may be installed in a predetermined opening formed in the center hinge arm. The rotatable camera lens installed on the side hinge arm of one side has an advantage of easy operation by the user, but has a disadvantage of being easily exposed to external shocks. The rotatable camera lens installed in the opening formed in the center hinge arm is somewhat inconvenient for the user to operate, but has an advantage of being protected from external shock. However, in order to install the rotatable camera lens in the opening of the center hinge arm, a method of supporting the camera lens housing with the hinge device and the hinge pile is used.However, the assembly is cumbersome due to the flow of the hinge pile during the assembly of the camera lens housing. The problem is losing.

In order to solve the above problems, an object of the present invention is to provide a hinge coupling device of a portable terminal to facilitate the assembly of the camera lens housing of the rotatable camera lens.

In order to achieve the above object, the present invention includes a main body formed with side hinge arms facing each other on both sides of one end, and a folder formed at one end with a center hinge arm hinged between the side hinge arms, In the hinge coupling device of a portable terminal having a predetermined opening in the center thereof in the longitudinal direction of the center hinge arm,

A hinge dummy having one end fixedly coupled to the side hinge arm at one side and rotatably coupled to the center hinge arm at one side of the opening, and having a guide protrusion protruding from the outer peripheral surface of the other end;

A through-hole formed in the center hinge arm at one side of the opening in a longitudinal direction to provide a path through which the hinge dummy is rotatably coupled in one direction from the one end of the center hinge arm; And

Disclosed is a hinge coupling device of a portable terminal having a guide groove of a predetermined trajectory formed on an inner circumferential surface of the through hole and providing a path through which the guide protrusion passes.

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 showing a portable terminal 10 having a hinge coupling device according to a preferred embodiment of the present invention. As shown in FIG. 1, the portable terminal 10 having a hinge coupling device according to an exemplary embodiment of the present invention includes a main body 101 and a folder 102 which is hinged to the main body 101 to open and close by rotating. Is a folder type terminal. The terminal 10 has a side hinge arm 115 and a center hinge arm 125 in the main body 101 and the folder 102, respectively, and an opening 127 formed in the center hinge arm 125 (FIG. 2). On the camera lens housing 201 is installed.

The main body 101 is provided with a keypad 111 for functioning of a terminal, a menu call, data input, and the like, and a receiver 113 having a microphone built in the lower side of the keypad 111, respectively, on both sides of an upper end thereof. The side hinge arms 115 are formed facing each other.

The folder 102 has a center hinge arm 125 hinged between the side hinge arms 115 at a lower end thereof, and a display device 121 and a surface facing the front surface of the main body 101. The receiver 123 having a speaker phone embedded thereon is provided above the display device 121. As the center hinge arm 125 is hinged between the side hinge arms 115, the folder 102 rotates about a hinge axis A extending beyond the side hinge arms 115 so that the main body is rotated. It is opened and closed at 101.

On the other hand, the center hinge arm 125 is provided with an opening 127 (shown in FIG. 2) formed in the center of the hinge axis A direction to provide an accommodation space of the camera lens housing 201. 1 shows a state where the camera lens 103 is installed in the opening 127, so that the opening 127 is not shown.

FIG. 2 is an exploded perspective view illustrating a hinge coupling device of the portable terminal 10 illustrated in FIG. 1, and FIG. 3 is a perspective view illustrating a center hinge arm 125 of the portable terminal 10 illustrated in FIG. 2. 2 is an exploded perspective view illustrating the camera lens housing 201 and the hinge dummy 203 shown in FIG. 2. As shown in Figure 2 to 4, the hinge coupling device of the portable terminal 10 according to a preferred embodiment of the present invention is a hinge device 20 and the center hinge coupled to one side of the center hinge arm 125 A hinge lens 203 coupled to the other side of the arm 125, wherein the hinge device 20 and the hinge pile 203 are coupled to the opening 127 of the center hinge arm 125. 201).

2 and 4, the camera lens housing 201 has an exposed window 211 formed on an outer circumferential surface thereof, a support groove 213 formed at one end thereof, and a housing holder 215 at the other end thereof. Shown in 4). The housing holder 215 has a circular plate shape, and ribs 217a are formed at a predetermined angular range along the circumferential direction at an edge of one surface thereof. Both ends 217b of the rib 217a serve as stoppers, respectively, to limit the rotation range of the camera lens housing 201. In addition, a plurality of pinholes 219 are formed in one surface of the housing holder 215 in the circumferential direction. The pinholes 219 are formed continuously at equal angle intervals along the circumferential direction of the housing holder 215. The housing holder 215 is fixed to the other end of the camera lens housing 201 by fixing means such as a screw 299.

The hinge device 20 includes a hinge shaft 206, a hinge cam 207, a coil spring 208 and a support shaft 209 sequentially received in the hinge housing 205, and the hinge shaft 206 and the hinge. The actuation mechanism of the cam 207 provides the rotational force in the direction in which the folder 102 is opened or closed from the body 101 according to the opening angle of the folder 102. The hinge device 20 is accommodated in the receiving hole 125b formed at one side of the center hinge arm 125, the hinge shaft 206 rotates in the hinge housing 205 of the main body 101 It is fixedly coupled to one side hinge arm 115. This will be easily understood through Korean Patent No. 296048 (May 7, 2001) issued to the applicant. On the other hand, the support shaft 209 is further accommodated in the hinge device 20, protrudes to one side of the hinge housing 205 is rotatably coupled to the support groove 213 of the camera lens housing 201. . That is, one side of the camera lens housing 201 is supported by the support shaft 209.

The other side of the camera lens housing 201 is supported by the hinge dummy 203. The hinge dummy 203 is fixedly coupled to the side hinge arm 115 and rotatably coupled to the center hinge arm 125, and an end thereof supports the other side of the camera lens housing 201. Accordingly, the hinge dummy 203 provides a hinge coupling between the main body 101 and the folder 102 and supports the other side of the camera lens housing 201 to provide a rotation axis of the camera lens housing 201. Done.

The hinge dummy 203 has a circular cylindrical shape, one end of which is provided with a square fixed end 231 fixedly coupled to the side hinge arm 115, and the other end thereof has a cap-shaped pin holder 237. Is combined. The pin holder 237 is provided with a fastening hole 239, and is fastened to the other end of the hinge dummy 203 by a predetermined screw 299, and a housing holder of the camera lens housing 201 (inner side) of the pin holder 237. A spring pin 235 that can be sunk in a direction facing the 215 is provided. The spring pin 235 protrudes a pin installed at an end with an elastic force provided by a coil spring embedded therein. When the camera lens housing 201 rotates while the other end of the hinge dummy 203 and the camera lens housing 201 face each other, the spring pin 235 is a pinhole 219 of the housing holder 215. Move along the trajectory of). The spring pin 235 and the pin hole 219 are in close contact with each other by the elastic force of the spring pin 235 in a state facing each other. Accordingly, the spring pin 235 is engaged with each other while moving along the trajectory where the pinhole 219 is formed, thereby providing a user with a click feeling.

Guide protrusions 233 protrude from the outer circumferential surface of the pin holder 237. The guide protrusion 233 is limited in the rotation range by the rib 217a of the housing holder 215. That is, the rotation range of the guide protrusion 233 is limited by both ends 217b of the rib 217a. Since the hinge dummy 203 is fixedly coupled to the side hinge arm 115, the rotation range of the housing holder 215 is limited by the guide protrusion 233 and the rib 217a.

Meanwhile, the hinge device 20, the camera lens housing 201, and the hinge dummy 203 are assembled on the center hinge arm 125 of the folder 102, and the center hinge arm of the folder 102. A 1235 is coupled between the side hinge arms 115. At this time, the hinge dummy 203 is rotatable in the through hole 125a of the center hinge arm 125 and at the same time supports the camera lens housing 201, and the fixed end 231 is the side It must be coupled to the hinge arm 115. In order to facilitate assembly in the process in which the fixed end 231 of the hinge pile 203 is coupled to the side hinge arm 115, the flow of the hinge pile 203 should be prevented. In order to prevent the hinge dummy 203 from flowing during the assembly of the fixed end 231 and the side hinge arm 115, a guide groove 109 is formed in the through hole 125a of the center hinge arm 125. It is provided.

Referring to FIG. 3, the guide groove 109 formed in the through hole 125a of the center hinge arm 125 has an insertion groove 191 formed along the longitudinal direction on the inner circumferential surface of the through hole 125a and the insertion groove. Sliding groove 193 extending from 191 and formed at a predetermined angular range in the circumferential direction at the end of the through hole 125a adjacent to the opening 127, and again at the end of the sliding groove 193. And a avoidance groove 195 formed in the longitudinal direction of the recess by a predetermined depth. The guide groove 109 configured as described above provides a path through which the guide protrusion 233 formed on the outer circumferential surface of the other end of the hinge pile 203, that is, the outer circumferential surface of the pin holder 237 is inserted. The guide protrusion 233 moves along the guide groove 109 while the hinge dummy 203 is coupled to the through hole 125a of the center hinge arm 125.

Referring to FIG. 5, in a state where the camera lens housing 201 is located in the opening 127 of the center hinge arm 125, the hinge dummy 203 is formed from one end of the center hinge arm 125. It is inserted in the direction of the opening 127. In this case, the guide protrusion 233 is moved along the insertion groove 191. When the hinge dummy 203 is fully inserted, the spring pin 235 is in close contact with the housing holder 215 and the elastic force is accumulated. When the camera lens housing 201 is rotated in the direction of the arrow while the spring pin 235 and the housing holder 215 are pressed in a direction in which the spring pin 235 is in close contact, the guide protrusion 233 is along the sliding groove 193. Will move. In this case, the spring pin 235 is in a state in which elastic force is accumulated. When the camera lens housing 201 continues to rotate, the guide protrusion 233 and the avoidance groove 195 are engaged with each other and are supported by the elastic force accumulated in the spring pin 235 facing the housing holder 215. .

That is, before the folder 102 is coupled to the main body 101, the camera lens housing 201 and the hinge dummy 203 are assembled to the center hinge arm 125, and the guide protrusion 233 is avoided. Engagement with the groove 195 is to prevent the flow of the hinge pile 203. Meanwhile, while the camera lens housing 201 and the hinge dummy 203 are assembled, the hinge device 20 is coupled to the accommodation hole 125b of the center hinge arm 125 so that the camera lens housing 201 is provided. Will be supported.

In this case, the avoidance groove 195 is a configuration for preventing the flow of the hinge pile 203 during the assembly process of the camera lens housing 201 and the hinge pile 203, the hinge pile 203 is the center hinge Note that it should be rotatable within the arm 125. Thus, the avoidance groove 195 is to be formed too deep to prevent the hinge pile 203 from being prevented from rotating in the center hinge arm 125.

When the hinge dummy 203 fixed end 231 is fixedly coupled to the side hinge arm 115 and the spring pin 235 is engaged with the pinhole 219 of the housing holder 215, the folder 102 is closed. Even if it rotates on the main body 101, the camera lens housing 201 does not rotate. The camera lens housing 201 rotates only by a user's manipulation.

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 coupling device of the portable terminal according to the present invention, while rotatably coupling the main body of the terminal and the folder, the guide projection and the center hinge arm of the hinge pile for supporting the camera lens housing installed in the center hinge arm of the folder Using a guide groove of a predetermined trajectory formed in the shaft, the hinge pile was prevented from flowing during the assembly process. Therefore, the process of assembling the main body and the folder of the terminal having the camera lens housing is facilitated.

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

2 is an exploded perspective view showing a hinge coupling device of the portable terminal shown in FIG.

3 is a perspective view showing a center hinge arm of the portable terminal shown in FIG.

4 is an exploded perspective view illustrating the hinge dummy and the camera lens housing illustrated in FIG. 2;

FIG. 5 is a view for explaining a process in which the hinge dummy and the camera lens housing shown in FIG. 2 are coupled to a center hinge arm. FIG.

Claims (6)

A main body having side hinge arms formed to face each other on both sides of one end and a center hinge arm hinged between the side hinge arms, and having a folder formed at one end thereof, and having a predetermined center at a center thereof in the longitudinal direction of the center hinge arm; In the hinge coupling device of a portable terminal having an opening, A hinge dummy having one end fixedly coupled to the side hinge arm at one side and rotatably coupled to the center hinge arm at one side of the opening, and having a guide protrusion protruding from the outer peripheral surface of the other end; A through-hole formed in the center hinge arm at one side of the opening in a longitudinal direction to provide a path through which the hinge dummy is rotatably coupled in one direction from the one end of the center hinge arm; And And a guide groove having a predetermined trajectory formed on an inner circumferential surface of the through hole to provide a path through which the guide protrusion passes. The method of claim 1, wherein the guide groove, An insertion groove formed on an inner circumferential surface along a longitudinal direction of the through hole; A sliding groove extending from an end portion of the insertion groove that is in contact with the opening and formed in a predetermined angle range along a circumferential direction of the end of the through hole; And And a dodging groove recessed to a predetermined depth along the longitudinal direction of the through hole from an end of the sliding groove. The method of claim 2, And a camera lens housing coupled to the opening so as to be rotatable about a hinge axis extending in the longitudinal direction of the center hinge arm, and pressing with a predetermined elastic force so that the guide protrusion is located in the avoidance groove. Hinge coupling device of a portable terminal. The method of claim 3, wherein A spring pin which is installed at an end of the hinge dummy and is protruded in the hinge axis direction by a predetermined elastic force, and provides an elastic force acting in a direction in which the guide protrusion is located in the avoidance groove by facing the camera lens housing. Hinge coupling device of a portable terminal further comprising. The method of claim 4, wherein The hinge coupling device of the portable terminal, characterized in that the camera lens housing further comprises a plurality of pin grooves formed at equal angle intervals on the end surface of the camera lens housing along the rotational trajectory of the spring pin formed by the rotation. . The method of claim 3, wherein the camera lens housing, And a stopper formed on an end surface facing the hinge pile and limiting a rotation range of the guide protrusion formed on the hinge dummy outer circumferential surface.