KR20010035971A - Apparatus for automatic opening and closing in portable mobile terminal - Google Patents

Abstract

PURPOSE: An apparatus for automatically opening and closing the flip cover of a portable mobile terminal is provided to semiautomatically and smoothly open or close the flip cover of a portable mobile terminal by pushing a button installed in an arbitrary location. CONSTITUTION: A hinge installing part is installed in a hinge part. A hinge element of a friction clutch type is installed in the inside of the hinge installing part. A hinge pipe(3) is inserted into one side of the hinge element. The other side of the hinge element engages with a hinge fixing part(5). A torsion spring is installed in the outer part of the hinge element so that rotary power can be generated in the direction that a flip cover(2) is opened. An open node button(20) is mounted on the lateral surface of the body. When a hanging boss installed in the upper part of the open node button(20) is opened, the flip cover(2) is automatically and smoothly opened by the friction of the hinge element.

Description

Automatic opening and closing device of portable mobile terminal {Apparatus for automatic opening and closing in portable mobile terminal}

The present invention relates to an automatic opening and closing device of a portable mobile terminal, in particular without flipping and opening the flip cover (or folder) installed in the portable mobile terminal by pressing the button installed at any position, the latch is opened to flip automatically semi-automatically The present invention relates to an automatic opening and closing device of a portable mobile terminal, characterized in that a friction clutch is installed on a flip cover (or folder) rotating part so that the cover (or folder) can be opened and closed smoothly.

1 is a view of a flip hinge of a conventional portable mobile terminal.

As shown in the figure, a hinge for opening and closing of a conventional flip cover (or folder) is provided with two-position switching elements 12 to 15 at the hinge shaft portion, and the switching hinge element 12 is provided. 15) Two cylindrical cams CAM 13 and 14 are mounted. One of the cams is a female cam 13 that is recessed in a V-shape, and the cam that rotates in engagement with the female cam 13 is a male cam 14 that also protrudes in a V-shape.

The cams 13 and 14 are mounted inside the hinge cylinder 12, and the arm-cam 13 has a cam cutout portion 13a, which is fitted to a key provided in the cylinder 12 so as not to rotate. It is fixed without.

On the other hand, on the opposite side of the V-shaped protruding portion of the male cam 14, a male D-cam double D-cut portion 14a, which is a double D-cut boss, is installed, which is a flip cover (or It is inserted into the cam insertion groove provided in the rotating shaft portion of the folder (1) to be rotated together with the flip cover (or folder) (1).

In addition, a compression spring 15 is mounted on the inner bottom surface of the hinge cylinder 12, which pushes out the female cam 13 so that the holding force is applied by any force during rotation of the male cam 14. As a result, the female cam 13 and the male cam 14 achieve a two-position switching operation at a relatively 180 ° position.

In addition, the hinge cylinder 12 is inserted / fixed at a rotation axis position in the main body, and the male-cam double D-cut portion 14a, which is a double D-cut boss of the male-cam 14, has a flip cover (or folder) 1. Since the operation is inserted into the rotating shaft portion of the flip cover (or folder) 1 is the opening and closing operation is made at the 2-position relative to the body by the hinge elements (12 to 15).

However, the opening and closing of the conventional flip hinge is such that the flip cover 1 is opened and closed at the 2-position with respect to the main body by the configuration of the hinge elements 12 to 15, so that the user needs to fold it up and close it with a finger directly, in particular a folding type. In the case of the mobile phone was a very inconvenient problem to fold the folder with one hand for the phone call.

Furthermore, in order to receive a call while driving, it is very difficult to open a folder with one hand, which may result in a situation in which the steering wheel may need to be released for a while, which may cause a dangerous situation.

Therefore, it is absolutely necessary to design a hinge that can be opened easily with one hand.

Accordingly, the present invention has been proposed to solve the conventional problems as described above, the object of the present invention is to open and close the flip cover (or folder) installed in the portable mobile terminal by hand, button installed in any position Provided is an automatic opening and closing device of a portable mobile terminal which allows the friction clutch to be installed on the flip cover (or folder) rotating part so that the latch is opened and the flip cover (or the folder) can be opened and closed smoothly.

1 is a view of a flip hinge of a conventional portable mobile terminal,

2 is a schematic perspective view of an automatic switching device of a portable mobile terminal according to the present invention;

3 is a detailed configuration diagram of an automatic switchgear of a portable mobile terminal according to the present invention;

4 is a structural diagram of a latch unit for opening and closing a flip cover according to the present invention;

5 is an opening and closing operation of the flip cover according to the present invention.

Explanation of symbols on the main parts of the drawings

1: upper flip cover 2: lower flip cover 3: hinge pipe

3a: Tension spring fixing groove 4: Body upper cover 5: Body hinge fixing portion

6: body lower cover 7: clutch hinge element 8: torsion spring

9 Hinged Pipe Cap 10 Torsion Spring Guide Hole 11 Double D-Cut Insertion

12 hinge cylinder 13 arm-cam 13a cam notch

14: male-cam 14a: male-cam double D-cut portion 15: compression spring

20: open node button 21: pivot hinge 22: push tip (protrusion)

23 latch for opening and closing 24 leaf spring 25 spring support rod

26 latch latch

In order to achieve the above object, the automatic switching device of a portable mobile terminal according to the present invention,

In a portable mobile terminal having a folder or flip-shaped cover unit for opening and closing, a pipe-type hinge mounting portion is provided at a hinge portion of the portable mobile terminal, and a friction clutch-type hinge element 7 is provided inside the hinge mounting portion. One side of the hinge element 7 is fitted with the hinge pipe 3 of the flip cover 2, and the other side of the hinge element 7 is engaged with the hinge fixing part 5 of the body. To the outside of the hinge element (7) is mounted a torsion spring (8) to generate a rotational force in the direction of opening the flip cover (2), and installs an open button button 20, the opening and closing button on the side of the body The technical feature of the cover is that the cover is automatically opened by the friction of the hinge element (7) when opening the locking jaw installed on the top of the open node button (20) .

Hereinafter, an embodiment according to the technical idea of the automatic switching device of the present invention portable mobile terminal as described above is as follows.

Figure 2 is a schematic perspective view of the automatic switchgear of the portable mobile terminal according to the present invention, Figure 3 is a detailed configuration of the automatic switchgear of the portable mobile terminal according to the present invention, Figure 4 is an opening and closing of the flip cover according to the present invention. Fig. 5 is a structural diagram of a flip cover according to the present invention.

As shown in Fig. 3, the hinge pipe 3 is provided in the rear rotational center of the flip cover 2, and the clutch hinge element 7 and the torsion spring 8 are inserted therein. A boss is installed in the hinge pipe 3 so that the clutch hinge element 7 can be inserted, and a torsion spring 8 is wound around the boss.

As can be seen in Fig. 5, one side 8a of the torsion spring 8 is fitted into the torsion spring fixing groove 3a made in one side of the hinge pipe 3, and the other side 3b is shown in Figs. As can be seen, the locking groove (locking hole) provided in the hinge fixing portion 5 on the main body side is covered.

After the clutch hinge element 7 and the torsion spring 8 are fitted to the hinge pipe 3, the opening of the pipe is closed with a hinge pipe cap 9.

On the other hand, in the open / close latch structure of the flip cover 2, the flip cover 2 is opened and closed by the open knob button 20 provided in the main body 6, as shown in FIG.

Detailed configuration of this, as shown in Figure 4, the pivot hinge (Pivot Hinge) 21 is provided on one side of the open node button 20, which is attached to the main body upper cover (4) and the lower cover (6) Rib (Rib) is mounted to the hinge mount made in the form of a rotational movement around it.

In addition, a push tip 22, which is a pressing protrusion of the leaf spring, is located below the hinge 21 of the open node button 20, and the leaf spring 24 is fitted inside the main body. The leaf spring 24 is fitted to the inner wall of the main body 6 and the leaf spring supporting rod 25.

In addition, a latch locking jaw of the opening / closing latch unit 23 is provided at an upper portion of the open node button 20, and the locking jaw is configured to be caught by the latch locking jaw 26 designed on the side of the flip lower cover 4. do.

Therefore, when the open node button 20 is pressed from the outside, the latch unit 23 for opening and closing is developed and configured to open.

The operation of the automatic switching device of the portable mobile terminal according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

First, as in the above-described configuration, the flip cover (1) (2) or the folder upper body is formed by the clutch hinge element (7), the torsion spring (8) and the latch structures (20 to 26) related thereto inserted into the hinge portion. The opening and closing operation is performed.

First, when the open node button 20 is pressed when the cover 2 is closed, the latching jaw of the opening / closing latch unit 23 is opened so that the restraint is released to open the cover 2, and the hinge pipe 3 is closed. The torsion spring 8 inserted therein generates a rotation torque so that the flip cover 2 rotates with respect to the hinge fixing part 5 of the main body.

On the other hand, at this time, since the friction friction acts so that the clutch hinge element 7 in the hinge pipe 3 can have any resistance torque in itself, the clutch hinge element 7 exerts a resistance against the rotational torque of the torsion spring 8. do.

Here, the resistance torque of the clutch hinge element 7 is set weaker than the rotation torque of the torsion spring 8 so that the flip cover 2 can be easily opened, and only a random resistance force is applied to the flip cover 2. It opens smoothly without impact.

The detailed geometry of this torsion spring 8 is shown in FIG.

Thus, the other side (8b) of the torsion spring (8) is inclined in the locking groove (3a) provided in the hinge pipe (3) of the flip cover (2) always gives a rotational force to the hinge pipe (3) and ultimately the flip cover ( Make open operation of 2).

On the other hand, since the fixed end 8a of the torsion spring 8 is fixed to the main body hinge fixing part 5 with respect to the rotation of the hinge pipe 3, the side wall of the hinge pipe 3 has the ″ View-ga ″ of FIG. As the trajectory is open as shown.

In this case, for the closing operation, simply pull down the cover so that the locking step of the open node button 20 spans the locking groove (hole).

As described above, the present invention does not open and close the flip cover (or folder) installed in the portable mobile terminal by pressing the button installed at any position, and the latch is opened to open and close the flip cover (or folder) smoothly. .

Although the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As described above, the automatic opening and closing device of the portable mobile terminal according to the present invention automatically opens the cover immediately by pressing the open node button with one hand in a state of holding a mobile phone, so that a user can easily make a call or other operation. In particular, the cover is smoothly opened by the clutch hinge element of the friction clutch type without impact during opening, which makes the usability very comfortable.

In addition, in the case of the prior art, there was a problem that the risk of an accident is increased due to the difficulty of opening the folder with one hand even while driving, but according to the present invention, such problems can be solved cleanly and at the same time, the smoothness of the opening operation. There is also an effect that can be used for a luxurious feel.

Claims (1)

In a portable mobile terminal having a cover or a cover unit for flip or flip type, A pipe-type hinge mount is installed at the hinge of the portable mobile terminal, and a friction clutch-type hinge element 7 is installed inside the hinge mount, and one side of the hinge element 7 is a flip cover 2. The hinge pipe 3 is fitted, and the other side of the hinge element 7 is engaged with the hinge fixing part 5 of the main body, and a torsion spring 8 is mounted on the outside of the hinge element 7. To generate a rotational force in the direction in which the flip cover 2 is opened, and an open node button 20 which is an opening / closing button is installed on the side of the main body, and the locking jaw installed at the upper end of the open node button 20 is opened. Automatic opening and closing device of the portable mobile terminal, characterized in that the cover is automatically opened smoothly by the friction of the hinge element (7).