KR20060075383A - A hinge apparatus of a swivel folder type mobile communication terminal - Google Patents

Abstract

The present invention relates to a mobile communication terminal, and more particularly, to a hinge device of the swivel foldable mobile communication terminal to rotate sideways only in a state in which the folder portion of the swivel foldable mobile communication terminal is opened in a predetermined angle range, In a hinge portion consisting of a first hinge module and a second hinge module intersecting each other so that the folder portion coupled to the upper side of the main body portion folds up and down and rotates laterally, the hinge portion: the first hinge module in a predetermined angle range The second hinge module is configured to rotate only in a rotated state.

Accordingly, damage to the folder part due to unnecessary rotation of the folder part is prevented, and the folder part is accurately rotated in accordance with the use of the mobile communication terminal.

Swivel Folder, Mobile Phone, Mobile Phone, Hinge

Description

Hinge device of a swivel folder type mobile communication terminal

Figure 1 is an exploded perspective view of the main portion showing an embodiment of the present invention.

Figure 2 shows the operating state of Figure 1,

   Figure 2a is a sectional view of the main portion showing the first operating state of FIG.

   Figure 2b is a sectional view of the main portion showing a second operating state of FIG.

Figure 3 is an exploded perspective view of the main portion showing another embodiment of the present invention.

Figure 4 shows the operating state of Figure 3,

   4A is a sectional view showing the principal parts of a first operating state of FIG. 3;

   Figure 4b is a sectional view of the main portion showing a second operating state of FIG.

5 is a perspective view showing an example of a conventional swivel foldable mobile phone.

※ Explanation of codes for main parts of drawing

1 hinge part

   10: first hinge module

      11: first hinge case 12: first hinge axis

      13: elastic rotating part

   20: second hinge module

      21: second hinge case 22: the second hinge axis

      23: elastic rotating part

   30: hinge housing

      31: first hinge insertion hole 311: guide groove

      32: second hinge insertion hole

   40: rotational restraint

      41: concave surface 42: rotating surface

      43: locking surface 44: locking groove

      45: rotational binding

         451: jamming jaw 452: flat

         453: Guide protrusion

The present invention relates to a mobile communication terminal, and more particularly, to a hinge structure of a swivel foldable mobile communication terminal.

In general, a mobile communication terminal is a kind of high-tech mobile communication means developed to allow users to freely communicate wirelessly regardless of time and place, and mobile phones and PDAs are being developed. Various types of terminals such as flip type and flip type have been released. In recent years, various functions of mobile phones equipped with auxiliary devices such as digital cameras are available as well as wireless internet access.

Among these widely used mobile communication terminals, as shown in FIG. 5, a swivel foldable mobile phone is provided with a keypad 101 having a plurality of input keys for inputting a phone number and various functions in front of the main body 100. The lower side of the keypad 101 is provided with a talker 102 for receiving voice, and the front of the main body 100 has an LCD window 201 for displaying various information of the mobile communication terminal. And, the folder unit 200 is provided with a receiver 201 for outputting the voice on the upper side is coupled to enable a call using a mobile phone.

In particular, in the case of a swivel foldable mobile phone, the main body and the folder are coupled to each other by a hinge that allows the folder to be opened and closed to the upper side of the main body and is rotated laterally. Accordingly, there are many cases in which the direction of the LCD window needs to be fixed to the direction desired by the user.

However, the conventional swivel foldable mobile phone simply has a hinge portion for allowing the folder portion to rotate on two axes, which makes it difficult not only to fix the folder portion at a specific angle but also to the folder at a position determined by the user due to the weight of the folder portion. In some cases, the position of the negative part is distorted, and the mobile communication terminal malfunctions or is damaged by unnecessary rotation.

 Accordingly, the present invention has been made in order to solve the above-mentioned conventional problems, the object is to rotate sideways only in a state in which the folder portion of the swivel clamshell mobile communication terminal is opened in a certain angle range.

It is also an object of the present invention to limit unnecessary rotation of the folder portion without having additional parts.

In addition, an object of the present invention is to maximize the strength of the hinge portion to smoothly limit unnecessary rotation of the folder portion.

In addition, an object of the present invention is to allow the rotational binding piece to operate smoothly in the correct position without being rotated laterally.

In addition, the present invention is to form an elastic rotation portion in the first hinge module and the second hinge module so that the hinge module to which the lateral rotation is restrained elastic rotation.

In order to achieve the above object, the present invention is a hinge portion composed of a first hinge module and a second hinge module intersecting each other to be rotated laterally while folding the folder portion coupled to the upper side of the main body, the hinge The part is characterized in that the second hinge module is configured to rotate only when the first hinge module is rotated in a predetermined angle range.

The hinge unit may include: a hinge housing in which a first hinge insertion hole is formed laterally, and a second hinge insertion hole is formed to be substantially perpendicular while being inwardly communicated with the first hinge insertion hole; A first hinge module having a first hinge shaft inserted into the first hinge insertion hole and rotating; A second hinge module having a second hinge shaft inserted into the second hinge insertion hole and rotating; The rotational restricting portion may be formed on an inner surface of the hinge housing to be in contact with the first hinge shaft and the second hinge shaft.

In addition, the rotational restraint unit; A concave surface formed by being recessed in a semi-cylindrical shape at the end of the first hinge shaft, and a cylindrical rotation surface corresponding to the concave surface on an outer surface of the second hinge shaft which is in contact with the first hinge shaft, and having a predetermined angle on the rotation surface. It characterized in that the locking surface is formed on the plane while being spaced apart.

In addition, the rotational restraint unit; A catching groove formed at an end of the first hinge shaft; A locking jaw formed on one side of the locking jaw corresponding to the locking groove, and having a plane contacting the outer surface of the second hinge shaft on an opposite side thereof; The outer surface of the second hinge shaft in contact with the rotational binding piece is formed in a cylindrical shape, characterized in that formed at least one or more while the locking surface on the plane corresponding to the plane spaced by a predetermined angle.

In addition, the guide projection is formed on the outer surface of the rotational binding piece, characterized in that the guide groove corresponding to the guide projection is formed inside the first hinge insertion hole.

In addition, the first hinge module; A first hinge case inserted into and fixed to the first hinge insertion hole, a first hinge shaft protruding and rotating to both sides of the first hinge case, and the first hinge shaft inside the first hinge case is elastic It is composed of an elastic rotating part for rotating, the second hinge module; A second hinge case inserted into and fixed to the second hinge insertion hole, a second hinge shaft having one end fixed to a folder portion of the mobile communication terminal and the other end contacting an end of the first hinge shaft, and the second hinge case The second hinge shaft is characterized in that consisting of an elastic rotation to allow the elastic rotation in the interior.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is an exploded perspective view of a main portion showing an embodiment of the present invention, as shown in the present invention, the first hinge module that crosses each other to be rotated laterally while folding the folder portion coupled to the upper side of the main body portion ( In the hinge portion 1 composed of a 10 and the second hinge module 20, the hinge portion 1 is the second hinge module (1) only when the first hinge module 10 is rotated in a predetermined angle range ( 20) is configured to rotate.

The main body forms a basic body of the mobile communication terminal, and a plurality of key buttons are provided on the front of the case, and various circuits for driving the mobile communication terminal are provided inside to control the overall operation of the mobile communication terminal.

The folder unit is foldably coupled to the front surface of the main body, and the surface in contact with the main body is provided with a display window for outputting various information of the mobile communication terminal, as well as information for the basic operation of the mobile communication terminal, as well as moving pictures and photos. The image is output at the time of photographing, and when carrying, the main body and the folder are folded together so that the carrying becomes simpler.

The hinge part 1 has a hinge housing in which a first hinge insertion hole 31 is formed laterally, and a second hinge insertion hole 32 is formed to be substantially vertical while being inwardly connected to the first hinge insertion hole 31. 30), a first hinge module 10 inserted into and fixed to the first hinge insertion hole 31, a second hinge module 20 inserted into and fixed to the second hinge insertion hole 32, and The second hinge module 20 is rotated so as to rotate only when the first hinge module 10 is rotated by a specific angle.

The hinge housing 30 is provided in the folding space of the main body portion and the folder portion to connect the main body portion and the folder portion so that the folder portion is folded and rotated laterally, the folder portion is coupled to the side to rotate sideways. A first hinge insertion hole 31 into which the first hinge module 10 is inserted is formed to enable the first hinge insertion hole 31, and the first hinge insertion hole 31 is formed to be substantially perpendicular to the first hinge insertion hole 31. ) And a second hinge insertion hole 32 to which the second hinge module 20 is inserted and fixed to allow the folder portion to rotate to the side of the main body portion.

The first hinge module 10 is to be completely opened elastically when the above-described folder portion is opened by the user by a predetermined angle, is formed to correspond to the size of the first hinge insertion hole 31 described above is fixed A first hinge case 11 and a first hinge shaft 12 protruding to both sides of the hinge case, one side of which is fixed to the above-described folder, and the other side of which is inserted into the first hinge insertion hole 31. The first hinge shaft 11 includes an elastic rotation part configured to elastically rotate the first hinge case 11.

The second hinge module 20 is to rotate the above-described folder portion to the side of the main body portion, the second hinge case 21 is formed to correspond to the size of the second hinge insertion hole 32 described above is inserted and fixed And a second hinge shaft 22 protruding to both sides of the hinge case, one side of which is fixed to the folder portion described above, and the other side of which is inserted into the second hinge insertion hole 32, and the second hinge case 21. The second hinge shaft 22 is configured to be elastically rotated to rotate inwardly.

The rotational constraining portion 40 is rotated laterally only in a state in which the folder portion is opened within a predetermined angle range with respect to the main body portion, and concave to form a cylindrical shape in one side at the end of the first hinge shaft 12. A concave surface 41 is formed, and a cylindrical rotating surface 42 corresponding to the concave surface 41 is formed on an outer surface of the second hinge shaft 22, but at a predetermined angle on the rotating surface 42. At least one planar locking surface 43 is formed while being spaced apart.

Figure 2 shows the operating state of Figure 1, Figure 2a is a sectional view of the main portion showing the first operating state of Figure 1, Figure 2b is a sectional view of the main portion showing a second operating state of Figure 1, the present invention through the drawings Referring to the operation of the in more detail as follows.

First, as shown in FIG. 2A, the second hinge shaft 22 is inserted into the second hinge insertion hole 32 while the end of the first hinge shaft 12 is inserted into the first hinge insertion hole 31. The outer surface is in contact with the end of the first hinge shaft (12).

By making the locking surface 43 of the second hinge shaft 22 extend outside the concave surface 41 of the first hinge shaft 12 while the first hinge shaft 12 is rotated to the closed position of the folder portion, Rotation of the second hinge shaft 22 is limited by the end of the first hinge shaft 12 to limit the rotation of the second hinge shaft 22.

Subsequently, as shown in FIG. 2B, when the first hinge shaft 12 rotates and the concave surface 41 is positioned at a position parallel to the second hinge shaft 22, the rotation surface 42 of the second hinge shaft 22 is rotated. This rotation is rotated into the space formed inside the concave surface 41, so that the second hinge shaft 22 can be rotated at a desired angle.

Figure 3 is an exploded perspective view of the main portion showing another embodiment of the present invention, as shown, the present invention is a first hinge module that crosses each other to be rotated laterally while folding the folder portion coupled to the upper side of the main body ( In the hinge portion 1 composed of a 10 and the second hinge module 20, the hinge portion 1 is the second hinge module (1) only when the first hinge module 10 is rotated in a predetermined angle range ( 20) is configured to rotate.

The main body forms a basic body of the mobile communication terminal, and a plurality of key buttons are provided on the front of the case, and various circuits for driving the mobile communication terminal are provided inside to control the overall operation of the mobile communication terminal.

The folder unit is foldably coupled to the front surface of the main body, and the surface in contact with the main body is provided with a display window for outputting various information of the mobile communication terminal, as well as information for the basic operation of the mobile communication terminal, as well as moving pictures and photos. The image is output at the time of photographing, and when carrying, the main body and the folder are folded together so that the carrying becomes simpler.

The hinge part 1 has a hinge housing in which a first hinge insertion hole 31 is formed laterally, and a second hinge insertion hole 32 is formed to be substantially vertical while being inwardly connected to the first hinge insertion hole 31. 30), a first hinge module 10 inserted into and fixed to the first hinge insertion hole 31, a second hinge module 20 inserted into and fixed to the second hinge insertion hole 32, and the The first hinge module 10 is composed of a rotational constraining portion 40 which allows the second hinge module 20 to be rotated only when the first hinge module 10 is rotated by a specific angle.

The hinge housing 30 is provided in the folding space of the main body portion and the folder portion to connect the main body portion and the folder portion so that the folder portion is folded and rotated in the lateral direction. A first hinge insertion hole 31 into which the first hinge module 10 is inserted is formed to enable the first hinge insertion hole 31, and the first hinge insertion hole 31 is formed to be substantially perpendicular to the first hinge insertion hole 31. ) And a second hinge insertion hole 32 to which the second hinge module 20 is inserted and fixed to allow the folder portion to rotate to the side of the main body portion.

The first hinge module 10 is to be completely opened elastically when the above-described folder portion is opened by the user by a predetermined angle, is formed to correspond to the size of the first hinge insertion hole 31 described above is fixed A first hinge case 11 and a first hinge shaft 12 protruding to both sides of the hinge case, one side of which is fixed to the above-described folder, and the other side of which is inserted into the first hinge insertion hole 31. The first hinge shaft 11 includes an elastic rotation part configured to elastically rotate the first hinge case 11.

The second hinge module 20 is to rotate the above-described folder portion to the side of the main body portion, the second hinge case 21 is formed to correspond to the size of the second hinge insertion hole 32 described above is inserted and fixed And a second hinge shaft 22 protruding to both sides of the hinge case, one side of which is fixed to the folder portion described above, and the other side of which is inserted into the second hinge insertion hole 32, and the second hinge case 21. The second hinge shaft 22 is configured to be elastically rotated to rotate inwardly.

The rotational restraint portion 40 is rotated laterally only in a state in which the folder portion is opened within a predetermined angle range with respect to the main body portion, and a locking groove recessed across the end edge surface of the first hinge shaft 12 ( 44 is formed, and in the space between the contact surface between the first hinge shaft 12 and the second hinge shaft 22, a locking step 451 corresponding to the locking groove 44 is formed on one side and the other side A rotating binding piece 45 having a plane 452 in contact with the second hinge shaft 22 is provided, and a cylindrical rotating surface 42 is formed on an outer surface of the second hinge shaft 22. At least one planar locking surface 43 is formed on the rotation surface 42 while being spaced at a predetermined angle.

In addition, a guide protrusion 453 may be formed on an outer surface of the rotational binding piece 45, and a guide groove 311 corresponding to the guide protrusion 453 may be formed on an inner surface of the first hinge insertion hole 31. It is preferable to form so that the rotational binding piece 45 moves only in a linear direction without being rotated inside the first hinge insertion hole 31.

4 is a view showing the operating state of Figure 3, Figure 4a is a sectional view of the main portion showing the first operating state of Figure 3, Figure 4b is a sectional view of the main portion showing a second operating state of Figure 3, the present invention through the drawings Referring to the operation of the in more detail as follows.

First, as shown in FIG. 4A, the locking jaw 451 of the rotational binding piece 45 described above is inserted into the first hinge insertion hole 31 so as to face the end of the first hinge shaft 12. The first hinge case 11 is inserted into the first hinge insertion hole 31 to be fixed, and the second hinge shaft 22 is inserted into the second hinge insertion hole 32 so that the outer surface thereof is a rotational binding piece 45. Abut the plane 452 of

At this time, in the state in which the first hinge shaft 12 is rotated to the closed position of the folder portion, the locking jaw 451 of the rotary binding piece 45 intersects with the locking groove 44 formed at the end of the first hinge shaft 12. When the second hinge shaft 22 is rotated, the free space that the rotation surface 42 of the second hinge shaft 22 is caught by the plane 452 of the rotational binding piece 45 disappears and thus the second hinge shaft 22 rotates. Will be limited.

Subsequently, as shown in FIG. 4B, when the first hinge shaft 12 rotates and the second hinge shaft 22 is rotated while the locking groove 44 and the locking jaw 451 are disposed to correspond to each other, the locking jaw ( As the 451 is inserted into the locking groove 44, the plane 452 is pushed toward the first hinge shaft 12 by a predetermined distance to form a space in which the second hinge shaft 22 is rotated, thereby forming the second hinge shaft 22. ) Can be rotated to the desired angle.

In addition, as described above, the present invention can be applied to a variety of devices, such as a camcorder or a digital camera having a swivel foldable mobile phone, a rotating and folded LCD window.

As described above, the present invention allows the folder portion of the swivel clamshell mobile communication terminal to be rotated laterally only in a state in which the folder portion is opened in a predetermined angle range, thereby preventing damage to the folder portion due to unnecessary rotation of the folder portion, and the mobile communication terminal being used The folder part is rotated correctly according to the purpose.

In addition, the present invention is not provided with additional parts in the existing hinge portion simply by forming a concave surface and the rotating surface and the locking surface at the end of the hinge axis to limit unnecessary rotation of the folder portion, it is possible to maintain the existing hinge manufacturing process as it is Have the effect of being.

In addition, the present invention is provided with a rotational restricting piece for limiting the rotation of the second hinge inside the hinge portion to maximize the strength of the hinge portion to smoothly limit unnecessary rotation of the folder portion, thereby minimizing the wear of the hinge portion in repeated operation. In addition, when the hinge portion breaks down, it will have an effect that can be easily repaired.

In addition, the present invention forms a guide protrusion on the outer surface of the rotational binding piece to operate smoothly at the correct position without rotating the rotational binding piece to the side, the hinge portion has the effect of operating more accurately and stably.

In addition, the present invention by forming an elastic rotation portion in the first hinge module and the second hinge module so that the hinge module that the lateral rotation is constrained by the elastic rotation, the effect of opening and closing the folder or rotate laterally more simple and smooth effect Will have

Claims (6)

In the hinge portion 1 composed of the first hinge module 10 and the second hinge module 20 intersecting each other so that the folder portion coupled to the upper side of the main body portion is folded up and down and rotated laterally, The hinge portion 1 is: The hinge device of the swivel clamshell mobile communication terminal, characterized in that the second hinge module 20 is configured to rotate only when the first hinge module 10 is rotated in a predetermined angle range. The method of claim 1, The hinge portion 1 is: A hinge housing 30 in which a first hinge insertion hole 31 is formed laterally, and a second hinge insertion hole 32 is formed to be substantially perpendicular while being inwardly connected to the first hinge insertion hole 31; A first hinge module 10 having a first hinge shaft 12 inserted into the first hinge insertion hole 31 and rotating; A second hinge module (20) having a second hinge shaft (22) inserted into the second hinge insertion hole (32) and rotating; The hinge device of the swivel clamshell mobile communication terminal, characterized in that the rotational restraint portion 40 is formed on the inner surface of the hinge housing (30) in contact with the first hinge shaft (12) and the second hinge shaft (22). The method of claim 2, The rotation restraint portion 40; A concave surface 41 formed by recessing in a semi-cylindrical shape at an end of the first hinge shaft 12, A cylindrical rotating surface 42 corresponding to the concave surface 41 is formed on an outer surface of the second hinge shaft 22 that is in contact with the first hinge shaft 12, but is spaced apart from the rotating surface 42 by a predetermined angle. The hinge device of the swivel clamshell mobile communication terminal, characterized in that formed on the plane lock surface (43). The method of claim 2, The rotation restraint portion 40; A locking groove 44 formed at an end of the first hinge shaft 12; A rotating jaw 45 having a locking jaw 451 corresponding to the locking groove 44 on one side thereof, and a flat surface 452 contacting the outer surface of the second hinge shaft 22 on the opposite side thereof; The outer surface of the second hinge shaft 22 which is in contact with the rotational binding piece 45 is formed in a cylindrical shape, the planar locking surface 43 corresponding to the plane 452 is formed at least one spaced apart at a predetermined angle A hinge device for a swivel clamshell mobile communication terminal. The method of claim 4, wherein Guide protrusions 453 are formed on the outer surface of the rotary binding piece 45, and a guide groove 311 corresponding to the guide protrusions 453 is formed inside the first hinge insertion hole 31. The hinge device of the swivel clamshell mobile communication terminal. The method according to any one of claims 2 to 5, The first hinge module 10 is; A first hinge case 11 inserted into and fixed to the first hinge insertion hole 31; A first hinge shaft 12 protruding and rotating to both sides of the first hinge case 11, It is composed of an elastic rotating part 13 to allow the first hinge shaft 12 to elastically rotate inside the first hinge case 11, The second hinge module 20 is; A second hinge case 21 inserted into and fixed to the second hinge insertion hole 32; A second hinge shaft 22 having one end fixed to a folder part of the mobile communication terminal and the other end contacting an end of the first hinge shaft 12; The hinge device of the swivel clamshell mobile communication terminal, characterized in that the second hinge shaft (22) in the inside of the second hinge case (21) is composed of an elastic rotation unit 23 to elastically rotate.

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