KR20070023161A - Mobile phone of foldable and slidable type - Google Patents

Abstract

The present invention relates to a folder / slide combined mobile phone, comprising: a main body 20; A display unit 30 provided at the front of the main body 20 and having upper and lower guide grooves 39a and 39b formed at both ends of the upper and lower surfaces, respectively; A pair of sliding guide portions 40a and 40b coupled to the upper and lower guide grooves 39a and 39b to slidably support the display portion 30; It is coupled between the main body portion 20 and the sliding guide portion (40a, 40b), including a pair of hinge portions (50a, 50b) to enable the opening and closing the display unit 30 with respect to the main body portion 20 It is composed. Accordingly, the folder / slide switching structure of the display unit can be relatively simplified, and the switching state can be stably maintained.

Body, Display, Sliding Guide, Hinge

Description

Folder / slide cell phone {MOBILE PHONE OF FOLDABLE AND SLIDABLE TYPE}

1 is a perspective view showing a folder / slide combined mobile phone according to the present invention,

2 is an exploded perspective view showing the structure of a folder / slide combined mobile phone according to the present invention;

3A and 3B are perspective views illustrating a sliding guide part of a folder / slide combined cellular phone according to the present invention;

Figure 4 is a perspective view showing a hinge portion and a coupling structure of the folder / slide combined mobile phone according to the present invention,

5 is an exploded perspective view showing a display unit structure of a folder / slide combined mobile phone according to the present invention;

6A and 6B are operational state diagrams of a folder / slide combined cellular phone according to the present invention.

             <Description of Symbols for Main Parts of Drawings>

            20: main body 30: display

            32: rear cover 33: guide slot

            34 liquid crystal panel 36 front cover

            38: protection belt 39a: upper guide groove

            39b: lower guide groove 40a, 40b: sliding guide portion

            42: body 44a: upper guide protrusion

            44b: lower guide protrusion 46: hinge coupling groove

            48: substrate through part 50a, 50b: hinge part

            52: hinge housing 52a: casing portion

            52b: cover 54: cam unit

            54a: fixed cam 54b: rotating cam

            60: circuit board

The present invention relates to a folder / slide combined cellular phone, and more particularly, to a folder / slide combined cellular phone which can freely switch the display unit to a folder or slide type.

In general, a mobile phone is a kind of wireless communication device that a user can use indoors or outdoors as well as on the go, and a function that was limited to transmitting and receiving voices has been developed into a device that performs various functions such as multimedia as well as the Internet. have.

Such mobile phones are classified into flip, folder, and slide types in the opening and closing structure thereof, and a mobile phone of a folder and slide type is mainly used.

Folder and slide type mobile phones each have different characteristics in terms of their functional aspects and ease of use, so there are advantages and disadvantages to selecting one of them. For example, in terms of phone function and durability, a folder type mobile phone has an advantage over a slide type mobile phone, but a slide type mobile phone has a relatively advantage over a folder type mobile phone in terms of multimedia functions and design.

Recently, in order to satisfy various needs of consumers, mobile phones that can freely convert a display unit into a folder / slide type according to a user's taste have been introduced. Mobile phones having such a structure are disclosed in Korean Patent Laid-Open Publication No. 10-2005-0060827, Korean Patent Laid-Open Publication No. 10-2005-0061196, and Japanese Patent Publication No. 10-2005-0011777.

However, such a mobile phone has a problem that the folder / slide switching structure of the display unit is relatively complicated and that the coupling structure of the display unit is unstable.

This results in deterioration of the durability as well as the assembling and maintenance of the mobile phone.

In addition, conventionally, only the function of switching the display unit to a folder / slide type is considered, which does not satisfy the user's desire for multimedia functions such as movie watching.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a folder / slide combined mobile phone which can simplify the folder / slide switching structure of the display unit and stably maintain its coupling state. .

The present invention to achieve the above object, the main body; A display unit provided in front of the main body and having upper and lower guide grooves formed at both ends of upper and lower surfaces thereof; A pair of sliding guide parts coupled to the upper and lower guide grooves to slidably support the display part; It is characterized in that it comprises a pair of hinges coupled between the main body portion and the sliding guide portion to enable the opening and closing of the display portion relative to the main body portion.

The sliding guide unit includes a body positioned at the side of the display unit; Upper and lower guide protrusions formed on upper and lower portions of the body and coupled to the upper and lower guide grooves; Is formed in the body, it is preferable to include a hinge coupling groove coupled to the hinge portion.

One side of the body is preferably formed with a substrate penetrating portion through which the circuit board for electrically connecting the body portion and the display portion is formed.

The hinge portion is coupled to both sides of the upper end of the main body portion, the hinge housing in close contact with the body; The cam housing is accommodated in the hinge housing, and one side is coupled to the hinge housing and the other side is coupled to the hinge coupling groove.

The hinge housing may include a casing part connected to an upper end of the main body part and having a coupling hole to which the cam unit is coupled; It is preferable to include a cover portion detachably coupled to the upper side of the casing portion.

The cam unit includes a fixed cam coupled to the coupling hole; It is preferable to include a rotary cam coupled to the hinge coupling groove to be rotatable in engagement with the fixed cam.

The rotating cam is preferably rotated to selectively open the display unit by 180 ° with respect to the main body.

The display unit may include a rear cover having the lower guide groove corresponding to the lower guide protrusion; A liquid crystal panel accommodated in the rear cover; It is preferable to include a front cover coupled to an upper portion of the rear cover so that the liquid crystal panel is exposed and the upper guide groove corresponding to the upper guide protrusion is formed.

Preferably, a guide slot is formed at the side of the rear cover to be slidably inserted into the substrate penetrating portion.

It is preferable to further include a protective belt provided inside the rear cover to prevent foreign matter from entering into the rear cover through the guide slot.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in Figures 1 to 5, the folder-slide combined mobile phone according to the present invention includes a main body 20; A display unit 30 provided at the front of the main body 20 and having upper and lower guide grooves 39a and 39b formed at both ends of the upper and lower surfaces, respectively; A pair of sliding guide portions 40a and 40b coupled to the upper and lower guide grooves 39a and 39b; It comprises a pair of hinge portions (50a, 50b) coupled between the main body portion 20 and the sliding guide portion (40a, 40b).

The upper surface of the main body 20 is provided with various kinds of function operation buttons 22 for selectively performing functions such as a telephone, the Internet, and multimedia, and the inside thereof is operated by the operation of the function operation button 22. Various electronic components (not shown) are provided.

The display unit 30 has a size and shape corresponding to that of the main body 20, and is electrically connected to the main body 20 through the circuit board 60 to display an image by operating the function operation button 22. Is displayed.

The upper and lower guide grooves 39a and 39b are for sliding the display unit 30 up and down, and are formed in the vertical direction on both upper and lower ends of the display unit 30, respectively.

The upper and lower guide grooves 39a and 39b have a rectangular groove shape, and the upper and lower guide grooves 39a and 39b are preferably formed to be close to the upper and lower ends of the display unit 30 in order to maximize the sliding distance. The shape and length of the upper and lower guide grooves 39a and 39b can be appropriately changed.

The sliding guide parts 40a and 40b are provided in pairs at both edge portions of the display part 30, and serve to stably support the display part 30 in a slidable manner.

Each of the sliding guide parts 40a and 40b includes a body 42 positioned adjacent to a side of the display part 30, as shown in FIGS. 3A and 3B; Upper and lower guide protrusions 44a and 44b formed on upper and lower portions of the body 42 and slidably coupled to upper and lower guide grooves 39a and 39b (see FIG. 2); It is formed on one side of the body 42, and includes a hinge coupling groove 46 coupled to the hinge portions (50a, 50b, see Figure 2).

By such a configuration, the hinge parts 50a and 50b (see FIG. 2) can be easily rotated in accordance with the opening and closing operation of the display unit 30.

The upper and lower portions of the body 42 have a structure that is bent inward to form upper and lower guide protrusions 44a and 44b corresponding to the upper and lower guide grooves 39a and 39b.

The outer surface of the body 42 is formed with a circular locking jaw 47 is supported by the hinge portion (50a, 50b, see Figure 2).

The upper and lower guide protrusions 44a and 44b have a structure corresponding to the upper and lower guide grooves 39a and 39b (refer to FIG. 2). Of course, it can be variously changed as long as it can be implemented.

Hinge coupling groove 46 is formed in the central region of the outer surface of the body 42, the formation position and shape can be changed as necessary.

The body 42, the upper and lower guide protrusions 44a and 44b, and the hinge coupling groove 46 preferably have an integral structure.

The sliding guide parts 40a and 40b are made of a durable material such as reinforced plastic so as to stably support the display part 30 while being connected to the hinge parts 50a and 50b. Sliding guide portion (40a, 40b) can be selectively applied to a variety of known materials that are excellent in durability and light weight other than reinforced plastic.

Meanwhile, at one side of the body 42, a substrate through part 48 through which a circuit board 60 for electrically connecting the main body 20 and the display unit 30 is formed, is formed as a circuit board 60. Flexible circuit boards are used.

As a result, the circuit board 60 can be stably connected without any components or structural changes.

Hinges 50a and 50b serve to enable the display unit 30 to be opened and closed with respect to the main body 20.

As shown in FIG. 4, each of the hinge parts 50a and 50b is coupled to both sides of the upper end of the body part 20, and the hinge housing 52 is in close contact with the body 42 of each of the sliding guide parts 40b. ; It is accommodated in the hinge housing 52, one side is coupled to the hinge housing 52 and the other side includes a cam unit 54 coupled to the hinge coupling groove 46 of the sliding guide portion 40b.

The hinge housing 52 protects the cam unit 54 from the outside and supports the cam unit 54, and its installation position can be variously changed as necessary.

 The hinge housing 52 includes a casing portion 52a having a coupling hole 51 to which the cam unit 54 is coupled; It includes a cover portion (52b) detachably coupled to the upper side of the casing portion (52a). As the coupling means of the casing portion 52a and the cover portion 52b, various types of known materials, including screws, may be selectively applied.

The structure of the hinge housing 52 can be changed as needed. In particular, the hinge housing 52 can have a detachable structure to improve assembling and maintainability.

The cam unit 54 includes a fixed cam 54a coupled to the coupling hole 51 formed in the casing portion 52a; It is coupled to the hinge coupling groove 46 so as to be engaged with the fixed cam (54a), and includes a rotary cam (54b) interlocked by the rotation operation of the sliding guide portion (40b).

The fixed cam 54a and the rotary cam 54b have a structure in which the end portions protrude so as to correspond to the coupling holes 51 and the hinge coupling grooves 46, and the fixed cam 54a and the rotary cam 54b. ) Can be changed within a range capable of rotating the display unit 30 at a predetermined angle.

The rotary cam 54b is rotated to selectively open the display unit 30 by 180 ° with respect to the main body 20. For example, up to about 150 ° can be opened with one touch, and a structure capable of freely adjusting the opening angle can be applied up to 150 ° to 180 °.

The structures of the fixed cam 54a and the rotary cam 54b may be selectively applied to various known forms.

As shown in FIG. 5, the display unit 30 includes a rear cover 32 in which a lower guide groove 39b corresponding to the lower guide protrusion 44b of the sliding guide parts 40a, 40b and 2 is formed. )Wow; A liquid crystal panel 34 accommodated in the rear cover 32; The upper guide groove 39a is coupled to the upper portion of the rear cover 32 to expose the liquid crystal panel 34, and corresponds to the upper guide protrusion 44a of the sliding guide portions 40a and 40b (see FIG. 2). A front cover 36.

On the side of the rear cover 32 is formed a long guide slot 33 into which the substrate penetrating portion 48 formed on the sliding guide portions 40a, 40b (see Fig. 2) is slidably inserted. The circuit board 60 is drawn out to the outside through one side opening of the guide slot 39.

In addition, a protective belt 38 is installed at the inner edge portion of the rear cover 32 to efficiently prevent foreign substances from flowing into the rear cover 32 through the guide slot 33. The guard belt 38 has a structure in which a part of the protection belt 38 is open so as not to interfere with the drawing of the circuit board 60.

The operation of the above-described folder / slide combined cellular phone will be briefly described with reference to FIGS. 6A and 6B.

First, in order to perform a telephone call function, as shown in FIG. 6A, the sliding guide parts 40a and 40b and the hinge parts 50a and 50b are rotated by opening the display part 30 upward.

At this time, the display unit 30 is opened to maintain about 140 ° ~ 160 ° with respect to the main body 20, the sliding guide portion (40a, 40b) is located at the lower end of the display unit 30 .

In the case of performing a multimedia function such as watching a movie, the sliding guide parts 40a and 40b and the hinge parts 50a and 50b are rotated by opening the display unit 30 upward as shown in FIG. 6B. . At this time, the display unit 30 is completely opened at 180 degrees with respect to the main body 20 to enable the sliding operation.

Thus, the display unit 30 may be used by sliding the display unit 30 up and down according to the user's preference in the open state.

As described above, according to the present invention, the folder / slide switching structure of the display unit can be relatively simplified, and the switching state can be stably maintained.

Therefore, as well as the assembly and use of the folder / slide mobile phone can be improved as well as maintainability, there is an advantage that the appearance can be compactly configured.

Claims (10)

A main body; A display unit provided in front of the main body and having upper and lower guide grooves formed at both ends of upper and lower surfaces thereof; A pair of sliding guide parts coupled to the upper and lower guide grooves to slidably support the display part; And a pair of hinge parts coupled between the main body part and the sliding guide part and configured to open and close the display part with respect to the main body part. The method of claim 1, The sliding guide portion, A body positioned at the side of the display unit; Upper and lower guide protrusions formed on upper and lower portions of the body and coupled to the upper and lower guide grooves; A folder / slide combined mobile phone formed in the body and comprising a hinge coupling groove coupled to the hinge portion. The method of claim 2, One side of the body is a folder / slide dual cell phone, characterized in that the through-board through which the circuit board for connecting the main body and the display unit is formed. The method according to claim 2 or 3, The hinge portion, A hinge housing coupled to both sides of the upper end of the main body and in close contact with the body; And a cam unit accommodated in the hinge housing, one side of which is coupled to the hinge housing and the other side of which is coupled to the hinge coupling groove. The method of claim 4, wherein The hinge housing, A casing part connected to an upper end of the main body part and having a coupling hole to which the cam unit is coupled; Folder / slide combined mobile phone comprising a cover portion detachably coupled to the upper side of the casing portion. The method of claim 5, The cam unit, A fixed cam coupled to the coupling hole; A folder / slide combined mobile phone, comprising: a rotating cam coupled to the hinge coupling groove to be rotatably engaged with the fixed cam. The method of claim 6, The rotating cam is rotated to selectively open the display unit 180 ° with respect to the main body portion, characterized in that the folder / slide combined mobile phone. The method according to claim 2 or 3, The display unit, A rear cover having the lower guide groove corresponding to the lower guide protrusion; A liquid crystal panel accommodated in the rear cover; And a front cover coupled to an upper portion of the rear cover to expose the liquid crystal panel and having an upper guide groove corresponding to the upper guide protrusion. The method of claim 8, The side cover of the rear cover is a folder / slide cell phone, characterized in that the guide slot is inserted so as to be slidably inserted. The method of claim 9, Is provided inside the rear cover, the folder / slide dual cell phone, characterized in that it further comprises a protective belt to prevent foreign matter from entering the interior of the rear cover through the guide slot.

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