KR20040009426A - Hinge structure for mobile-phone - Google Patents

Abstract

PURPOSE: A hinge structure for a portable terminal is provided to have an initial setup position so that a camera module of the portable terminal is automatically rotated when opening a folder portion and is toward an object. CONSTITUTION: A hinge portion has an interworking hinge(34) for performing the interworking of a camera module(50) when opening and closing a folder portion. The interworking hinge(34) has a hinge case(35), a main shaft(41), a main cam(40), a main spring(39), a camera shaft(36), a camera cam(37) and a camera spring(38). Both ends of the hinge case(35) are opened. The main shaft(41) has an end jaw portion bridged and fixed at an open end of one side of the hinge case(35). The main shaft(41) has a fixed asperity and a slant asperity at both sides of the end jaw portion. A rotation slant surface is formed in one surface of the main cam(40) so that the slant asperity of the main shaft(41) slides and rotates. The main cam(40) has a spring fixed asperity in the other surface. The main spring(39) fixed in the spring fixed asperity of the main cam(40) elastically presses the main cam(40). The camera shaft(36) has an end jaw portion bridged and fixed at an open end of the other side of the hinge case(35). The camera shaft(36) has camera fixed asperities at both surfaces of the end jaw portion, and has a rotation axis. The camera cam(37) has an insertion groove and a camera spring fixed groove. The central portion of the insertion groove is penetrated and formed so that the rotation axis is inserted and connected. The camera spring fixed groove fixes the camera spring(38) at one surface. The camera spring(38) fixed by the camera spring fixed groove and the spring asperity variably presses the camera cam(37) according to the position of the main cam(40).

Description

Hinge STRUCTURE FOR MOBILE-PHONE}

The present invention relates to a mobile terminal, and more particularly, to a hinge structure for a mobile terminal for allowing the user of the folder-type terminal to open the folder unit when the camera module is linked to the initial state is set to a position that can shoot the other party will be.

In general, in recent years, mobile terminals have been developing a lot of terminals that emphasize multimedia functions in addition to simple voice transmission / reception functions. Among them, a camera module for inputting color liquid crystal and image information for displaying image information in various colors is installed. One mobile device is a good example.

When the camera module is classified according to the method of attaching to the portable terminal, it is divided into a built-in camera module which is integrally formed with the portable terminal and a mounted camera module that is additionally mounted on the outside of the portable terminal.

In addition, according to the built-in position of the built-in camera module, the central portion of the portable terminal, that is, the hinge built-in type to be placed next to the hinge, the built-in folder built-in camera module is embedded in the folder, and the built-in built-in portable terminal and the like.

In addition, depending on whether the camera module can be rotated, the camera module can be divided into a rotatable camera module and a camera module fixed portable terminal in which the camera module is fixed.

The camera module fixed type is simply fixed without the need for a separate device, but the camera module rotating portable terminal requires a separate rotating structure for the mobile terminal equipped with the camera module.

1 is a front view illustrating a conventional camera module for a mobile terminal, and FIG. 2 is an enlarged cross-sectional view of portion A of FIG. 1.

As shown in the drawing, the conventional mobile terminal 100 includes a terminal body 110, a hinge 130 for coupling the folder 120 to the upper end of the body 110, and the hinge. It is rotatably coupled to the branch 130 is composed of a camera module 140.

The hinge portion 130 is a hollow body coupling portion 131, 133 formed on both sides of the upper portion of the body portion 110 and the folder portion 120 so that both ends are fixed to the body coupling portion 131, 133 The hinge 134 is inserted into the hollow folder coupling portion 132 protruding in the lower center of the lower portion and one side body coupling portion 131 to have an automatic opening and closing force at a predetermined critical angle or more when the folder portion 120 is opened and closed. ), The camera module 140 is fitted to the other side body coupling portion 133 is rotatably assembled.

The hinge 134 has a main shaft 135 inserted into and coupled to the folder coupling part 132, a main cam 136 having a rotation inclined surface for changing a torque that the main shaft 135 contacts, and It consists of a spring 137 for pressing the main cam 136.

In the figure, reference numeral 111 is a navigation key, 112 is a text key, 113 is a microphone, 121 is an LCD window, and 122 is a speaker.

By such a configuration, the conventional portable terminal is rotatable to the main body coupling portion 131, 133, the position of the camera module 140 to the side of the hinge 130, when taking the picture of the other party and yourself The photographing structure is stable, and the angle with the LCD window 121 of the folder 120 is easily adjusted. In addition, when the camera module 140 rotates, the user can easily rotate the hand held by the mobile terminal.

However, since the camera module is rotatably coupled to the main body coupling parts 131 and 133 separately from the folder part 120, the main body coupling parts 131 and 133 are always kept in the initial position regardless of opening and closing of the folder part 120. When taking a picture of yourself, the folder 120 is opened from the main body 110 so that the camera module 140 is set at an initial setting position that is customized to the user. When taking a picture of the other side, on the contrary, the folder unit 120 is opened from the main body 110 so that the camera module 140 is rotated 180 ° to face the other party at an initial setting position which is set to face itself. Should be taken.

Therefore, in view of the fact that the camera module 140 of the conventional portable terminal has a larger number of times of photographing the other party than the user, the user can photograph the other party at an initial setting position where the camera module 140 is directed toward the user. The problem arises in that it must always be turned by hand so that it is appropriately facing the other party.

According to the present invention devised to solve the above problems, it is an object of the present invention to provide a hinge structure of a portable terminal having an initial setting position so that the camera module of the portable terminal is automatically rotated to face the other party when opening the folder.

1 is a front view of a conventional mobile terminal,

2 is an enlarged cross-sectional view of portion A of FIG. 1;

Figure 3 is a front view showing the hinge structure for a mobile terminal of the present invention,

4 is an enlarged cross-sectional view of the main part of FIG. 3;

5 is an exploded view of the hinge for a mobile terminal of the present invention,

6 is a cross-sectional side cross-sectional view of a portable terminal of the present invention;

Figure 7 is a side view of the camera cam of the hinge for a mobile terminal of the present invention,

8 is a state diagram of the camera module when opening and closing the folder portion of the hinge for a mobile terminal of the present invention,

Figure 9 is a state diagram of the camera module when opening and closing the folder portion of the hinge for a mobile terminal of the present invention,

10 is a state diagram of the camera module during the 180 ° manual rotation of the folder portion of the hinge for a mobile terminal of the present invention.

* Description of the main parts of the drawings *

10: main body 20: folder

30: hinge portion 31: body coupling portion

31a: main shaft fixing groove 32: folder coupling portion

34: hinge 35: hinge case

35a, 35b: open end 36: camera shaft

36a: camera fixing projection 36b: camera stepped portion

36c: groove 36d: axis of rotation

36e: guide groove 37: camera cam

37a: Unevenness 37b: Insertion groove

37c: camera spring fixing groove 38: camera spring

39: main spring 40: main cam

40a: spring fixing protrusion 40b: rotating inclined surface

41: main shaft 41a: inclined protrusion

41b: fixed protrusion 41c: stepped portion

50: camera module 50a: camera shaft fixing groove

51: camera module case 52: lens

In order to achieve the above object, the present invention provides a mobile terminal in which a terminal main body, a hinge unit for removably coupling a folder unit to an upper end of the terminal main body unit, and a camera module for inputting a video signal to the hinge unit are hypothesized. The hinge part may be achieved by a hinge structure of a portable terminal, wherein the hinge part includes an interlocking hinge which is interlocked with the camera module when the folder part is opened and closed.

Hereinafter, the configuration and operation of the hinge structure of the mobile terminal according to the present invention will be described in detail.

Figure 3 is a partial cross-sectional view showing a hinge structure for a mobile terminal of the present invention, Figure 4 is a side cross-sectional view for a portable terminal of the present invention, Figure 5 is an exploded view of the hinge for a portable terminal of the present invention, Figure 6 The side view of the camera cam of the hinge for a portable terminal of this invention.

And, Figure 7 is a state diagram of the camera module when opening and closing the folder portion of the hinge for a mobile terminal of the present invention, Figure 8 is a state diagram of the camera module when opening and closing the folder portion of the hinge for a mobile terminal of the present invention, Figure 9 is a view of the present invention This is a state diagram of the camera module when the folder part of the hinge for the mobile terminal is manually rotated 180 °.

As shown in FIG. 3, the portable terminal of the present invention includes a hinge for coupling the terminal body 10, the folder 20, and the folder 20 to the upper end of the body 10. It is composed of a branch 30 and the camera module 50 rotatably installed on the hinge 30.

The hinge portion 30 is a hollow body protruding from the bottom portion of the folder portion 20 to be fixed to the main body coupling portion 31 protruding from the upper side of the main body portion 10 and the main body coupling portion 31 Interlocking hinge for interlocking the camera module 50 coupled to the folder coupling unit 32 and the folder coupling unit 32 and inserted into the folder coupling unit 32 and the folder coupling unit 32 when the folder coupling unit 20 is opened. It consists of 34.

As shown in FIG. 4 or 5, the interlocking hinge 34 is inserted into and coupled to the inner hinge insertion groove 32a of the folder coupling part 32 extending and coupled to the bottom of the folder part 20. The open hinge case 35;

The stepped portion 41c is fixed to the open end 35b of the hinge case 35 and is extended to one surface of the stepped portion 41c and penetrates the open end of the hinge case 35 by one side. A main shaft 41 including a fixing protrusion 42b inserted into the main shaft fixing groove 31a of the main body coupling portion 31 and an inclined protrusion 41a extended to the other end of the stepped portion 41c; ;

When the inclined protrusion 41a of the main shaft 41 is in contact with the rotating inclined surface 40b and the inclined protrusion 41a is in contact with the rotating inclined surface 40b. A main cam 40 consisting of a spring fixing protrusion 40a for fixing the late main spring 39 to generate the required rotational torque;

A main spring (39) fixed to the spring fixing protrusion (40a) of the main cam (40) to elastically pressurize the main cam (40);

The stepped portion 36b fixed to the other open end 35a of the hinge case 35 and extended to the outer side surface of the stepped portion 36b and the one open end of the hinge case 35 Camera shaft 36 consisting of a camera fixing projection (36a) penetrating and inserted into the camera shaft fixing groove (50a) of the camera module 50, and a rotating shaft (36c) extended to the inner surface of the step portion (36b). )Wow;

One side is in close contact with the inner surface of the camera shaft 36 and the insertion groove (37b) formed through the center so as to insert the rotary shaft (36c), and the camera spring fixing groove for fixing the late camera spring on the other surface A camera cam 37 provided with 37c;

One end is inserted and fixed to the camera spring fixing groove 37c and the other end is inserted and fixed in the inner groove 36d of the spring fixing protrusion 40a of the main cam 40, and when the folder part 20 is opened. And a camera spring 38 which compresses and compresses the camera cam 37 according to the position of the main cam 40 so that the camera shaft 36 interlocks.

In addition, a fixing means for fixing the position of the camera module 40 manually rotated on the contact surface of the camera shaft 36 and the camera cam 37 is provided.

As shown in FIG. 6 or FIG. 7, the fixing means includes at least one unevenness 37a formed in a circumferential shape at a center of the camera cam contact surface of the camera shaft 36 of the camera cam 37. The plurality of grooves 36d corresponding to the unevenness 37a are formed on the camera shaft close contact surface of the camera cam 37.

In addition, the grooves 36d are formed at both sides of a straight line with respect to the center point so as to fix the opposite direction of the camera module 50 and the user's own shooting direction, and between the grooves 36d and the grooves 36d. The guide groove 36e is provided on the circumference of a predetermined radius.

In addition, the unevenness 37a moves along the guide groove 36e and has a hemispherical shape so as to more easily insert and remove the groove from the groove 36d.

In the figure, reference numeral 51 denotes a camera module case, and 52 denotes a lens.

The operation of the interlocking hinge structure of the mobile terminal of the present invention by such a configuration will be described in detail as follows.

As shown in FIGS. 8 to 10, when the portable terminal is not used, the lens 52 of the camera module 50 is set to face the front surface of the portable terminal when the folder unit 20 is closed. .

When the folder part 20 is opened to use the portable terminal, the inclined protrusion 41a of the main shaft 41 of the rotation inclined surface 40b of the main cam 40 is elastically supported by the main spring 39. As the main cam 40 moves toward the camera spring 38 along the opening slope, the main cam 40 moves toward the camera spring 38, pushing the camera spring 38 to force the camera cam 37 to press the camera shaft 36 more strongly. By the frictional force between the 37 and the camera shaft 36, the camera module 50 moves in conjunction with the folder 20 to a position for photographing the other party.

And, if you want to shoot yourself while shooting the other side, the camera cam is elastically supported by the camera spring 38 to compress the camera shaft 36 by rotating the case of the camera module 50 by hand ( The hemispherical irregularities 37a of 37 are separated from the grooves 36d and inserted into the grooves 36d opposite the 180 ° along the guide grooves 36e, so that the lens 52 of the camera module faces the user. Fix it.

In addition, when the folder 20 is closed after using the mobile terminal, the inclined protrusion 41a of the main shaft 41 of the rotation inclined surface 40b of the main cam 40 is elastically supported by the main spring 39. As the main cam 40 moves toward the camera spring 38 as it slides up and slides along the closed inclined surface, the camera cam 37 pushes the camera shaft 36 more firmly by pushing the camera spring 38 to make the camera cam 36 press harder. By the frictional force between the 37 and the camera shaft 36, the camera module 50 is directed toward the front of the mobile terminal, which is the first position.

As described above, according to the present invention, when opening and closing the folder portion of the mobile terminal, the camera module is rotated together by the interlocking hinge so that the other party can be photographed without any additional operation when shooting the other party and the setting position of the first unused state. Has the effect of returning to.

Claims (4)

A portable terminal comprising a main body, a hinge unit for removably coupling a folder unit to an upper end of the main body unit, and a camera module for inputting a video signal to the hinge unit. The hinge unit is a hinge structure of a mobile terminal, characterized in that it comprises an interlocking hinge for interlocking the camera module when opening and closing the folder. The method of claim 1, The interlocking hinge and the hinge case is open at both ends; A main shaft which is fixed to one open end of the hinge case, and a main shaft having fixing protrusions and inclined protrusions on both sides of the stepped portions, respectively; A main cam having a rotational inclined surface formed on one surface thereof such that the inclined protrusion of the main shaft is in sliding contact with the spring shaft, and a spring fixing protrusion provided on the other surface thereof; A main spring fixed to a spring fixing protrusion of the main cam to elastically pressurize the main cam; A camera shaft including a stepped part fixed to the open end of the hinge case and the camera fixing protrusion and a rotating shaft on both sides of the stepped part; A camera cam having an insertion groove formed through a central portion thereof so that the rotation shaft is inserted and a camera spring fixing groove for fixing a late camera spring on one surface; The hinge structure of the mobile terminal, characterized in that the camera spring is fixed by the camera spring fixing groove and the spring fixing projection and the camera spring variable compression pressing the camera cam according to the position of the main cam. The method of claim 2, The hinge structure of the mobile terminal, characterized in that the fixing means for fixing the manually rotated position of the camera module on the contact surface of the camera shaft and the camera cam. The method of claim 3, The fixing means is a hinge of a mobile terminal, characterized in that the irregularities provided at least along a predetermined radius of the camera cam contact surface of the camera shaft, and a plurality of grooves corresponding to the irregularities are provided on the camera shaft contact surface of the camera cam. rescue.