WO2010128715A1

WO2010128715A1 - Hinge module for folder-type mobile phone

Info

Publication number: WO2010128715A1
Application number: PCT/KR2009/004371
Authority: WO
Inventors: 이근주
Original assignee: 주식회사 한빛티앤아이
Priority date: 2009-05-07
Filing date: 2009-08-05
Publication date: 2010-11-11
Also published as: KR20100120781A

Abstract

The present invention relates to a hinge module for a folder-type mobile phone, and more specifically, to a hinge module for a folder-type mobile phone in which one pair of link members which mutually rotate are installed on lateral sides of an upper body and lower body and the upper body and lower body can be positioned on the same plane without a step difference by the rotating and sliding movements of link members when the upper body is rotated at 180 degrees on the basis of the lower body. According to the present invention, the hinge module for the folder-type mobile phone, which is installed on the side of the upper body equipped with a display unit and the lower body equipped with a user interface on the front side and rotates the lower body on the basis of the upper body, comprises; a lower fixing member which is combined with one lateral side of the lower body, equipped with a 1^st sliding groove on a central side, and formed with a 1^st fixing hole in the upper part of one side; an upper fixing member which is combined with one lateral side of the upper body, equipped with a 2^nd sliding groove on a central side, and formed with a 2^nd fixing hole in the lower part of one side; a 1^st link member of which one side is slid on the 1^st sliding groove and the other side is restricted to the 2^nd fixing hole; and a 2^nd link member of which one side is restricted to the 1^st fixing hole and the other side is slid on the 2^nd sliding groove, and which is combined with a central side of the 1^st link member to allow rotation on the central side of the 1^st link member.

Description

Hinge module for folding cell phone

The present invention relates to a hinge module for a clamshell mobile phone, and more particularly, a pair of link members rotatably installed on the side of the upper body and the lower body are rotated by 180 degrees with respect to the lower body. By rotating and sliding of the upper body and the lower body relates to a hinge module for a cellular phone that can be located on the same plane without a step.

With the recent penetration rate of mobile phones exceeding 90%, the center of the mobile phone market has shifted from supplier to consumer.

Looking at these changes in the consumer-centered market focusing on the shape of the mobile phone, the early mobile phones, from the bar-type mobile phone with the keypad and display device installed in one body, to meet the needs of the consumer for a wider display device, The mobile phone has been differentiated into a slide type mobile phone, and recently, it has been differentiated into a touch screen mobile phone using a display device that can implement a keypad function to satisfy aesthetics and portability of the consumer.

In the differentiation process of the cellular phone, the folding cellular phone has a problem in which a hinge module installed to rotate the upper body is formed to protrude from the lower body, so that the upper body and the lower body are unfolded with a step, thereby conveying a somewhat dull feeling to the consumer. The problem is that in the demand-oriented cell phone market, the folding cell phone is replaced by the slide cell phone and the touch screen cell phone.

This problem is due to the structure of the hinge module installed in the lower body, the hinge module is generally a housing 120 coupled to the lower body 110, as shown in Figure 1, the spring accommodated in the housing 120 130, a fixed cam 140 inserted into the housing 120 to receive the elastic force of the spring 130, and a movable cam 150 that is in surface contact with the fixed cam 140 and coupled to the upper body 160. Consists of a protruding space 170 that can be installed when the hinge module is installed on the lower body (110).

When the user of the mobile phone is installed a hinge module of this type when the user opens the upper body 160 to the dead point, the movable cam 150 to move the fixed cam 140 in the spring direction to deform the spring 130 to spring 130 The restoring force is stored in the spring 130 and the restoring force is stored, and when the upper body 160 rotates beyond the point, the movable cam 150 is rotated by moving the fixed cam 140 in the direction of the movable cam 150. There is a convenient point to automatically rotate the upper body 160 to which the movable cam 150 is fixed, but after installing the hinge module in the protruding space 170 has a structure that is coupled to the upper body 160 When the body 160 is rotated 180 degrees, the lower body 110 and the upper body 160 by the protruding space 170 has a step.

The step between the lower body 110 and the upper body 160 generates a rather dull appearance in appearance and eventually does not satisfy the emotional quality of the consumer, resulting in being dismissed by the consumer in the saturated mobile phone market.

According to the present invention, when the upper body and the lower body are coupled to the upper body and the lower body and the upper body and the lower body are rotated 180 degrees with respect to the lower body by installing a pair of rotatable link members on the fixing member, the upper body and the lower body are in the same plane without step. An object of the present invention is to provide a hinge module for a cellular phone that can be located.

In addition, the present invention is to provide a hinge module for a mobile phone mobile phone that can be coupled to the stopper formed hinge cover to the fixing member to prevent excessive rotation of the upper body and to improve the aesthetics of the upper body and the lower body to meet the user's emotional quality. Has a different purpose.

The object of the present invention is installed on the side of the lower body with a user interface is installed on the front, the upper body with a display unit, in the hinge module for clamshell mobile phone to rotate the lower body with respect to the upper body, the lower body one side A lower fixing member coupled to the first sliding groove formed at a central side thereof and having a first fixing hole formed at an upper portion of the one side; An upper fixing member coupled to one side of the upper body and having a second sliding groove formed at a center thereof, and having a second fixing hole formed at one lower side thereof; One side is slid in the first sliding groove, the other side is the first link member is constrained in the second fixing hole and one side is constrained in the first fixing hole, the other side is slid in the second sliding groove, the center of the first link member And a second link member rotatably coupled to the side.

Here, one side of the first link member is formed with a first sliding groove insertion protrusion is inserted into the first sliding groove and slides, the other side of the first link member is inserted into the second fixing hole rotatably inserted into the second fixing hole A protrusion is formed, a coupling hole is formed at a center side of the first link member, and a first fixing hole insertion protrusion is formed at one side of the second link member to be rotatably inserted into the first fixing hole. The second sliding groove insertion protrusion is inserted into the second sliding groove is slid to the side is formed, the center side of the second link member is preferably formed a rotational shaft rotatably coupled to the coupling hole of the first link member.

In addition, a protective member is coupled to inner surfaces of the first sliding groove and the second sliding groove to reduce friction generated in the first sliding groove insertion protrusion and the second sliding groove insertion protrusion when the first link member and the second link member are driven. It is preferable to be.

In addition, it is preferable that a hinge cover having a stopper protruding to be coupled to the side surfaces of the lower fixing member and the upper fixing member to limit the driving angles of the first link member and the second link member.

Therefore, the folding module hinge module of the present invention can be positioned on the same plane when the upper body and the lower body by rotating the upper body 180 degrees relative to the lower body by installing a link member on the side of the upper body and the lower body. It has an effect.

In addition, the present invention has the effect of preventing the breakage by blocking the direct contact of the upper body and the lower body when the upper body is excessively rotated by installing a hinge cover formed with a stopper to limit the rotation angle of the link member.

1 is a cross-sectional view of a conventional mobile phone.

Figure 2 is a perspective view of a mobile phone equipped with a hinge module for a folding-type mobile phone which is an embodiment of the present invention.

Figure 3 is an exploded perspective view of the hinge module for a folding-type mobile phone shown in FIG.

4 to 6 is an operation of the mobile phone shown in FIG.

One; Hinge module 10 for folding mobile phone; Fixing member

11; Lower fixing member 13; First Sliding Groove

15; Second fixing hole 16; Upper fixing member

18; Second sliding groove 19; 1st fixing hall

20; Link member 21; First link member

23; First link body 23a; 2nd fixing hole insertion protrusion

23b; First sliding groove insertion protrusion 26; Second link member

28; Second link body 28a; 1st fixing hole insertion protrusion

28b; Second sliding groove insertion protrusion 43; Fastener

45; Protective member 47; Lower hinge cover

47a; First plate 47b; 2nd plate

47c; Stopper 49; Upper hinge cover

49c; stopper

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may legally define the concept of terms in order to best describe their invention. On the basis of the principle that the present invention should be interpreted as meanings and concepts corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

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

Figure 2 is a perspective view of a mobile phone equipped with a hinge module 1 for a clamshell mobile phone which is a preferred embodiment of the present invention, Figure 3 is an exploded perspective view of the hinge module 1 for a clamshell mobile phone shown in Figure 2, 4 to 6 are operation diagrams of the mobile phone shown in FIG.

Referring to FIG. 2, the hinge module 1 for the cellular phone is installed at both sides of the upper body 50 and the lower body 60, and rotates the upper body 50 based on the lower body 60. The hinge cover coupled to the link member 20 and the fixed member 10 coupled between the fixed member 10 and the fixed member 10 coupled to the upper body 50 and the lower body 60. Is done.

The upper body 50 is provided with an LCD panel, a speaker, etc. for providing image information and audio information, and is electrically connected using the lower body 60 and the FPCB (flexible printed circuit board), and the lower body 60 The keypad is a kind of user interface for manipulating a mobile phone and a microphone for receiving a voice signal, and various outputs and input lines are installed and are electrically connected to the upper body 50 through the FPCB.

The upper body 50 and the lower body 60 is formed with

hinge mounting portions

55, 65 bent in one direction toward the center as shown in Figure 2, the hinge mounting portion (55, 65) fixed member (10) ) Is fastened.

Referring to FIG. 3, the fixing member 10 is an upper fixing member coupled to the lower fixing member 11 coupled to the hinge mounting portion 65 of the lower body 60 and the hinge mounting portion 55 of the upper body 50. It consists of 16.

The lower fixing member 11 is formed in a square plate shape, the first sliding groove 13 is formed at the center side, and the first fixing hole 15 is formed at one upper portion of the lower fixing member 11.

The first sliding groove 13 is formed in the longitudinal direction of the lower body 60, and the first sliding groove insertion protrusion of the first link member 21 to be described later is inserted so that the first sliding when the upper body 50 rotates. The groove insertion protrusion 23b slides along the first sliding groove 13.

The twenty-first fixing hole 15 is formed to penetrate through an upper portion of the lower fixing member 11, and the first fixing hole insertion protrusion 28a of the second ring portion to be described later is rotatably inserted.

The upper fixing member 16 is coupled to the hinge mounting portion 55 formed on one side of the upper body 50 to allow the link member 20 to be installed in the upper body 50, and the lower fixing member 11 and Similarly, a second sliding groove 18 is formed in the center thereof, and a second fixing hole 19 is formed in a lower portion of one side of the upper fixing member 16.

The lower fixing member 11 and the upper fixing member 16 is formed with a fastening hole 43 to be coupled to the upper body 50 and the lower body 60, the upper body 50 and the lower body 60 Fixing protrusions (not shown) are formed in the

hinge mounting portions

55 and 65 of the coupling hole 43, thereby forcing the fastening holes 43 formed in the lower fixing member 11 and the upper fixing member 16. Is fitted.

The link member 20 is a first link member 21 installed in the lower fixing member 11 and the upper fixing member 16 in the front direction of the lower fixing member 11 and the upper fixing member 16 with reference to FIG. 3. ) And a second link member 26 installed on the lower fixing member 11 and the upper fixing member 16 in the rear direction of the lower fixing member 11 and the upper fixing member 16.

The first link member 21 is inserted into a second fixing hole protruding from the side of the first link body 23 and the upper fixing member 16 of the first link body 23 is formed with a length up and down. Insertion of the first sliding groove insertion protrusion 23b and the second fixing hole insertion protrusion 23a and the first sliding groove which are formed at the lower portion of the surface on which the protrusion 23a and the second fixing hole insertion protrusion 23a are formed. It consists of the rotation shaft 23c which has a circular cross section which protrudes between the protrusions 23b.

At this time, the second fixing hole insertion protrusion 23a is formed in a cylindrical shape having a circular cross section in a shape corresponding to the second fixing hole 19 and inserted into the second fixing hole 19, and the first sliding groove insertion protrusion 23b is formed in a cylindrical shape similarly to the first fixing hole insertion protrusion 23a and is inserted into the first sliding groove 13.

In addition, the rotation shaft 23c is formed in a cylindrical column shape and rotatably coupled to the coupling hole 28c of the second link member 26 to be described later.

The second link member 26 is formed to have a length in the vertical direction is installed on the lower fixing member 11 and the upper fixing member 16 in the rear direction of the lower fixing member 11, the second link body 28 ) And a lower portion of the surface on which the second sliding groove insertion protrusion 28b and the second sliding groove insertion protrusion 28b formed on the upper side of the lower fixing member 11 of the second link body 28 are formed. The fastening hole 28c formed between the first fixing hole insertion protrusion 28a and the first fixing hole insertion protrusion 28a and the second sliding groove insertion protrusion 28b formed thereon.

At this time, the first fixing hole insertion protrusion 28a and the second sliding groove insertion protrusion 28b are the second fixing hole insertion protrusion 23a and the first sliding groove insertion protrusion 23b of the first link member 21. It is formed in the same shape as, the fastening hole 28c is formed in a shape corresponding to the shape of the cross section of the rotating shaft 23c so that the rotating shaft 23c is inserted and rotated.

The first sliding groove insertion protrusion 23b is formed on the inner side surfaces of the first sliding groove 13 and the second sliding groove 18 into which the first sliding groove insertion protrusion 23b and the second sliding groove insertion protrusion 28b are inserted. And polyoxmethylene having excellent lubricity and good mechanical strength to reduce friction generated when the second sliding groove insertion protrusion 28b slides on the first sliding groove 13 and the second sliding groove 18. A protection member 45 made of POM is installed.

The hinge cover is coupled to one side of the lower fixing member 11 to protect the fixing member 10 and the link member 20 from the impact applied from the outside of the mobile phone, the lower hinge cover coupled to the lower fixing member 11 The upper hinge cover 49 is coupled to the 47 and the upper fixing member 16.

The lower hinge cover 47 is coupled to the lower fixing member 11 to form the one side surface of the lower body 60 and the lower body 60 at the other end of the first plate 47a. And a second plate 47b that is bent in a direction, and protrudes toward the lower fixing member 11 from the center of one end portion of the first plate 47a to form a lower end of the first plate 47a and the second plate 47b. It is made of a stopper (47c) surrounding the.

The upper hinge cover 49 is formed in a shape opposite to the lower hinge cover 47 as shown in FIG. 3 so that when the upper body 50 is rotated 180 degrees with respect to the lower body 60, the lower hinge cover ( As in 47, the first link member 21 and the second link member 26 abut against the stopper 49c.

The positions of the

stoppers

47c and 49c formed on the upper hinge cover 49 and the lower hinge cover 47 may be arbitrarily selected according to the required rotation angle of the upper body 50 so that one end of the

first plate

47a or 49a may be formed. Up and down can be adjusted from the center.

Referring to FIGS. 4 to 6, the operation of the link member 20, the fixing member 10, and the

stoppers

47c and 49c during the rotation of the upper body 50 of the mobile phone is as follows.

4 illustrates a state in which the upper body 50 and the lower body 60 overlap each other. In this case, the first slide groove insertion protrusion 23b and the first link member 21 and the second link member 26 are formed. The two slide groove insertion protrusion 28b is located at one side of the first sliding groove 13 and the second sliding groove 18, and the second fixing hole insertion protrusion 23a and the first fixing hole insertion protrusion 28a are It is inserted into the first fixing hole 19 and the second fixing hole 15.

FIG. 5 shows a state in which the upper body 50 is rotated 90 degrees with respect to the lower body 60. At this time, the first link member 21 and the second link member 26 are rotated about the pivot shaft 23c. Are tilted to each other.

At this time, the cross section of one side of the upper body 50 and the lower body 60 is formed in the shape of a square plate with rounded corners, so the first link member 21 and the second link member 26 when the upper body 50 rotates. The first sliding groove inserting protrusion (23b) and the second sliding groove inserting projection (28b) of the (1) is moved in the direction of the first sliding groove 13 and the second sliding groove (18) and the first fixing hole insertion projection (28a) ) And the rotational track formed by the second fixing hole insertion protrusion 23a are formed in an elliptical shape.

6 shows a state in which the upper body 50 is rotated 180 degrees with respect to the lower body 60, wherein the first sliding groove insertion protrusion 23b is located at the other side of the first sliding groove 13, and The two sliding groove insertion protrusions 28b are moved in the second sliding groove 18 to a position opposite to the position of the state (a).

When the upper body 50 is rotated relative to the lower body 60, the distance between the first sliding groove insertion protrusion 23b and the second sliding groove insertion protrusion 28b is the first sliding groove insertion protrusion 23b. As a reference, the angle is inversely proportional to the angle between the virtual straight line in the direction of the second sliding groove insertion protrusion 28b and the virtual straight line in the direction of the rotation axis 23c.

The angle between the virtual straight line in the direction of the second sliding groove inserting protrusion 28b and the virtual straight line in the direction of the rotation axis 23c based on the first sliding groove inserting protrusion 23b is shown in FIGS. 4 to 6. As described above, since the upper body 50 has the smallest value in the state of FIG. 6, the upper body 50 is rotated with a margin to rotate on the lower body 60.

Claims

A hinge module for a folding mobile phone, which is installed at a lower body having a user interface installed at the front and a side of an upper body having a display unit, and rotates the lower body with respect to the upper body.

A lower fixing member coupled to one side of the lower body and having a first sliding groove formed at a center thereof and having a first fixing hole formed at an upper portion of the lower body;

An upper fixing member coupled to one side of the upper body, a second sliding groove formed at a central side thereof, and a second fixing hole formed at one lower side thereof;

A first link member whose one side slides in the first sliding groove and the other side is constrained to the second fixing hole; And

And a second link member whose one side is constrained to the first fixing hole and the other side is slid in the second sliding groove and rotatably coupled to the center side of the first link member. Hinge module for mobile phones.
The method of claim 1,

One side of the first link member is formed with a first sliding groove insertion protrusion which is inserted into the first sliding groove and slides, and a second fixing part rotatably inserted into the second fixing hole on the other side of the first link member. A hole insertion protrusion is formed, and a coupling hole is formed at a central side of the first link member,

One side of the second link member is formed with a first fixing hole insertion protrusion rotatably inserted into the first fixing hole, the other side of the second link member is inserted into the second sliding groove and sliding the second sliding The groove insertion protrusion is formed, the hinge module for a folding-type mobile phone, characterized in that the rotating shaft is rotatably coupled to the coupling hole of the first link member at the center side of the second link member.
The method according to claim 1 or 2,

Inner surfaces of the first sliding groove and the second sliding groove reduce friction generated in the first sliding groove insertion protrusion and the second sliding groove insertion protrusion when the first link member and the second link member are driven. Folding module hinge module for mobile phone, characterized in that the coupling member.
The method of claim 3,

A hinge module for a folding type mobile phone, characterized in that a hinge cover having a stopper protruding is coupled to side surfaces of the lower fixing member and the upper fixing member so as to limit the driving angles of the first link member and the second link member. .