KR100791266B1 - Hinge Type Cover Opening and Closing Device for Mobile Phone - Google Patents

Abstract

The first fixing shaft is assembled and installed inside the main body of the portable terminal, and the first hinge shaft is connected to one end of the first fixing bracket so that the portable terminal can be slimmed, miniaturized and refined, and the life is extended. And a second fixing stand which is assembled and installed inside the cover of the mobile terminal, a second hinge shaft whose one end is connected to one end of the second fixing band, and other ends of the first hinge shaft and the second hinge shaft. And a connecting member for connecting the other ends of the first fixing rod and the second fixing rod, and a pair of rolling elements which are installed to rotate the first hinge shaft and the second hinge shaft together, and a rotary cam is integrally formed at one end thereof. And a linear mobile cam installed in contact with the rotary cam and assembled to be linearly movable along the longitudinal direction of the first hinge shaft and the second hinge shaft, and having a cylindrical shape with one side opened and wrapping the linear mobile cam. to do The other end of the first hinge shaft and the second hinge shaft through the outer end is installed so as to be coupled with the fastening ring, and is installed at a predetermined interval inside the outer cylinder, and the rotary cam and the linear cam It provides a hinged cover opening and closing device for a mobile terminal comprising a pair of elastic members that always apply a force to the linear movement cam so as to be in close contact.

Mobile phone, terminal, hinge, cover, open, close, rotation, cam, elastic, gears, protrusion

Description

Hinge Type Cover Opening and Closing Device for Mobile Phone}

1 is a perspective view showing a hinged cover opening and closing device for a conventional portable terminal.

Figure 2 is an exploded perspective view showing a hinged cover opening and closing device for a conventional mobile terminal.

Figure 3 is an assembled cross-sectional view showing a hinged cover opening and closing device for a conventional portable terminal.

Figure 4 is a perspective view showing an embodiment of a hinged cover opening and closing device for a mobile terminal according to the present invention.

5 is a cross-sectional view showing an embodiment of a hinged cover opening and closing device for a mobile terminal according to the present invention.

6 is an exploded perspective view showing an embodiment of a hinged cover opening and closing device for a mobile terminal according to the present invention.

Figure 7 is a perspective view of the installation state showing an embodiment of a hinged cover opening and closing device for a mobile terminal according to the present invention.

Figure 8 is a side view showing a rolling element in one embodiment of a hinged cover opening and closing device for a mobile terminal according to the present invention.

Figure 9 is a cam diagram of a rotary cam and a linear mobile cam showing an embodiment of the hinged cover opening and closing device for a mobile terminal according to the present invention.

Figure 10 is a separate cross-sectional view showing a connecting member in one embodiment of the hinged cover opening and closing device for a mobile terminal according to the present invention.

11 is a side view showing a stop projection and the engaging piece in one embodiment of the hinged cover opening and closing device for a mobile terminal according to the present invention.

12 is a perspective view showing a state of being fixed to the case of the mobile terminal in one embodiment of the hinged cover opening and closing device for a mobile terminal according to the present invention.

Figure 13 is an exploded perspective view showing a state of being fixed to the case of the portable terminal in one embodiment of the hinged cover opening and closing device for a mobile terminal according to the present invention.

The present invention relates to a hinged cover opening and closing device for a mobile terminal, and more particularly, the cover opening and closing for a mobile terminal configured to be able to easily reduce the thickness of the mobile terminal and to mitigate the rotational speed and impact when opening and closing the cover. Relates to a device.

In general, in order to wirelessly use services such as communication and broadcasting while moving in a place other than a fixed location, mobile terminals such as mobile phones, PDAs, notebook computers, and DMB phones are frequently used.

The portable terminal is one of the essential necessities that are indispensable in order to enjoy the convenience of life according to the information age. Especially, the mobile terminal is widely distributed to elementary, middle and high school students and the elderly.

In the portable terminal as described above, various types of cover opening and closing devices may be applied, and the cover terminal may be classified into a hinge type, a sliding type, and a swing type.

In particular, the hinged cover opening and closing device is one of the most applied to the portable terminal because it is easy to manufacture, less trouble, and easy to use.

 1 illustrates an example of a portable terminal to which a conventional hinged cover opening and closing device is applied, and the portable terminal is divided into a main body 3 and a cover 6, and the main body 3 includes a key input unit 4 and a talker unit ( 5) and the like, and the cover 6 is provided with a display unit 7 and a receiver 8.

In the above, the cover 6 is connected through the main body 3 and the hinged cover opening and closing device 10 is opened and closed.

2 and 3, the hinged cover opening and closing device 10 is fixed to the outer cylinder 11 having a cylindrical shape and rotatably assembled at one end inside the outer cylinder 11. The cam member 12, the mobile cam member 14 is assembled and installed to be movable in the longitudinal direction inside the outer cylinder 11, and the fixed cam member 12 is installed inside the outer cylinder 11 ) And a hinge shaft (18) for engaging and supporting the outer cylinder (11) and the fixed cam member (12) in a rotatable state by applying a force such that the cam member (14) and the moving cam member (14) are always in contact with each other. It is composed.

In the hinged cover opening and closing device 10 configured as described above, the outer cylinder 11 is mainly assembled in the hole 6b of the upper assembly piece 6a formed in the center of the corner of the cover 6 of the mobile terminal. The fixed cam member 12 is assembled to the hole 3b of the lower assembly piece 3a formed on both sides of the edge of the portable terminal main body 3.

The hinged cover opening and closing device for a conventional portable terminal configured as described above is provided with an upper assembly piece and a lower assembly piece respectively formed on the cover and the body of the mobile terminal, thereby providing a factor of increasing the thickness of the mobile terminal.

Therefore, the slimming and miniaturization of the portable terminal, the refinement of the design, etc. are very difficult.

And aesthetics are not good compared to the sliding cover opening and closing device for the mobile terminal or swing type cover opening and closing device.

Furthermore, since the upper assembly piece and the lower assembly piece are protruded, there is a risk of cracking, and when the portable terminal is manufactured in a slim type, the strength of the upper assembly piece and the lower assembly piece is very high.

An object of the present invention is to solve the above problems, it is possible to reduce the thickness of the main body and the cover of the mobile terminal because the main parts are installed to the outside of the portable terminal, by reducing the rotational speed of the cover constant It is to provide a hinged cover opening and closing device for a portable terminal that can reduce the impact and extend the life of the portable terminal because the rotational speed is maintained.

The hinged cover opening and closing device for a mobile terminal proposed by the present invention includes a first hinge shaft which is assembled and installed inside the main body of the portable terminal, a first hinge shaft having one end connected to one end of the first fixing bracket, A second fixing stand assembled and installed inside the cover of the mobile terminal, a second hinge shaft having one end connected to one end of the second fixing stand, and other ends of the first hinge shaft and the second hinge shaft. And a connecting member connecting the other ends of the first fixing rod and the second fixing rod, and a pair of rotary cams integrally formed at one end thereof to rotate the first hinge shaft and the second hinge shaft together. A linear moving cam installed in contact with the rotating body, the linear cam being installed in contact with the rotary cam so as to be linearly movable along the longitudinal direction of the first hinge axis and the second hinge axis, and a cylindrical shape having one side opened; To It is wrapped and supported by a linear movement, and the outer end is installed on the other end surface so that the other ends of the first hinge shaft and the second hinge shaft are respectively penetrated and engaged with the fastening ring, and installed at a predetermined interval inside the outer cylinder. And a pair of elastic members that always apply a force to the linear cam, so that the rotary cam is in close contact with the linear cam.

The rolling element is made using a pair of gears that mesh with each other and rotate.

Cam faces having a cam diagram consisting of an uphill section and a downhill section are formed on surfaces of the rotary cam and the linear cam that face each other.

The connecting member may include a first connecting plate portion having a pair of first connecting holes in which the other ends of the first hinge shaft and the second hinge shaft are rotatably assembled, and the first connecting plate portion at predetermined intervals. A second connecting plate portion having a pair of second connecting holes formed to face each other and rotatably assembled with the other ends of the first fixing rod and the second fixing rod, and connecting the first connecting plate portion and the second connecting plate portion; It comprises a third connecting plate portion.

The first connecting plate is formed with an assembly groove to which the fastening ring is assembled.

The other end portions of the first fixing rod and the second fixing rod are respectively provided with assembly pin parts rotatably assembled in a second connection hole formed in the second connection plate portion of the connection member, and a fan shape is formed around the assembly pin end portions. A pair of locking pieces are formed to protrude from each other, and a pair of stop projections are formed on the second connection plate of the connection member so as to protrude between edges of both ends of the locking pieces.

The first fixing stand and the second fixing stand have an approximately "C" shape.

And the present invention may further comprise a case member surrounding the outer cylinder and the rolling element, the connection member.

Next, a preferred embodiment of a hinged cover opening and closing device for a mobile terminal according to the present invention will be described in detail with reference to the drawings.

First, an embodiment of the hinged cover opening and closing device 100 for a portable terminal according to the present invention, as shown in Figures 4-7, the first hinge shaft 110, the first hinge shaft 110 and a predetermined A pair of rolling elements 140 are installed at intervals of the second hinge shaft 120, the first hinge shaft 110 and the second hinge shaft 120, and the rotary cam 150 are integrally formed. ), A linear mobile cam 160 installed in contact with the rotary cam 150, an outer cylinder 180 that surrounds and supports the linear mobile cam 160, and always has a force on the linear mobile cam 160. A pair of elastic members 190 to apply a, one end portion is connected to one end portion of the first hinge shaft 110, 210 and one end portion is the second hinge shaft 120 The second fixing stand 220 is connected to one end of the) and one end is connected to the other end of the first hinge shaft 110 and the second hinge shaft 120, respectively, the other end is The first connecting rod And a connecting member 200 rotatably connected to the other end of the 210 and the second connecting rod 220, respectively.

The first hinge shaft 110 and the second hinge shaft 120 are installed to be coupled to rotate integrally with the rolling element 140.

The rolling element 140 is made by using a pair of gears that mesh with each other and rotate.

As shown in FIG. 8, the rotating direction of the first hinge shaft 110 and the second hinge shaft 120 is reversed by the rolling element 140 as described above.

The rotary cam 150 is integrally formed at one end of the rolling element 140.

The linear cam (160) is always in close contact with the rotary cam 150 by the elastic member (190).

The linear movement cam 160 is installed to be linearly movable along the longitudinal direction of the first hinge shaft 110 and the second hinge shaft 120 inside the outer cylinder 180.

The outer cylinder 180 is formed in a cylindrical shape with one side open and supports the linear movement cam 160 to be linearly movable.

The linear movement cam 160 is installed in such a state as to block one open end surface of the outer cylinder 180.

The other end of the outer cylinder 180 penetrates the other ends of the first hinge shaft 110 and the second hinge shaft 120, respectively.

A coupling ring 130 is coupled to a portion of the first hinge shaft 110 and the second hinge shaft 120 exposed to the other end of the outer cylinder 180.

In the above-described end portions exposed from the outer cylinder 180 of the first hinge shaft 110 and the second hinge shaft 120, the engaging jaw 112, 122 are formed, respectively, the engaging jaw 112, The fastening ring 130, such as an "E" -shaped metal ring (also called "E-ring"), is coupled to the inside of the 122.

The elastic member 190 always applies a force to the linear cam (160) so that the rotary cam 150 and the linear cam (160) in close contact with each other.

The elastic member 190 as described above is made using a compression coil spring or the like.

The elastic member 190 is installed at a predetermined interval inside the outer cylinder 180 and the first hinge shaft 110 and the second hinge shaft 120 penetrate the center axis line.

In the hinged cover opening and closing device for a mobile terminal according to an embodiment of the present invention made as described above, as shown in Figure 9, the uphill section on the surface facing each other of the rotary cam 150 and the linear mobile cam 160 Cam faces 152 and 162 each having a cam diagram comprising an up and downhill section are formed.

Specific configurations of the cam surfaces 152 and 162 in the rotary cam 150 and the linear mobile cam 160 are generally the cam surfaces of the rotary cam and the linear mobile cam, which are widely used in the hinged cover opening and closing device of the mobile terminal. Since it is possible to carry out with the same structure, detailed description is abbreviate | omitted.

The first fixing stand 210 is assembled and installed inside the main body 20 of the portable terminal.

The second fixing stand 220 is assembled and installed inside the cover 40 of the mobile terminal.

The first fixing base 210 and the second fixing unit 220 are formed in a rod shape (for example, "[" shape) in which both ends are bent at approximately right angles.

As shown in FIGS. 10 and 11, the connection member 200 is formed in a plate shape and a pair of rotatably assembled other ends of the first hinge shaft 110 and the second hinge shaft 120. A first connecting plate 202 having a first connecting hole 203 formed thereon, and having a plate shape and installed to face each other at a predetermined interval with the first connecting plate 202 and the first fixing base 210. And a second connecting plate portion 206 having a pair of second connecting holes 207 on which the other end of the second fixing rod 220 is rotatably assembled, and having a plate shape and the first connecting plate portion ( And a third connecting plate portion 205 connecting the 202 and the second connecting plate portion 206.

In the first connecting plate 202, the assembling groove 204 to which the fastening ring 130 is assembled is formed.

On the other end of the first fixing 210 and the second fixing 220 Assembly pin parts 211 and 221 rotatably assembled to the second connection hole 207 formed in the second connection plate part 206 of the connection member 200, respectively, the assembly pin parts 211, 221, around the end portion is formed in the shape of a fan-like engaging pieces 218, 228 are projected.

One side of the second connecting plate portion 206 is provided with a pair of stop projections 208 protruding between the engaging pieces 218 and 228, respectively.

12 and 13, the main body case 22 constituting the main body 20 of the mobile terminal and the cover case 42 constituting the cover 40 meet each other at the end of the present invention. A pair of installation grooves 24 and 44 having a "c" shape in which the hinged cover opening and closing device 100 for a portable terminal is installed are formed to face each other.

A first protruding jaw 26 is formed at an edge of the installation groove 24 of the body case 22 so that the first fixing base 210 is assembled to the outside.

A second protruding jaw 46 is formed at an edge of the installation groove 24 of the main body case 22 so that the second fixing base 210 is assembled to the outside.

First and second assembly grooves 28 and 2 in which the first hinge shaft 110 and the second hinge shaft 120 are assembled at both ends of the first projection jaw 26 and the second projection jaw 46. Assembly grooves 48 are formed, respectively.

In the hinged cover opening and closing device 100 for a mobile terminal according to an embodiment of the present invention made as described above, the case member 300 surrounding the protruding portion of the main body case 22 and the cover case 42. It is also possible to include more.

The case member 300 is assembled and installed inside the installation grooves 24 and 44 and is detachably coupled in a divided state into the first case member 310 and the second case member 320. .

In the case member 300 as described above, one end portion of the first hinge shaft 110 and the second hinge shaft 120 penetrates through one end surface of the first fixing shaft 210 and the second fixing shaft 220, respectively. The other end of the first fixing member 210 and the second fixing member 220 is connected to the connecting member 200 through the other end surface, respectively.

In the above description of the preferred embodiment of the hinged cover opening and closing device for a mobile terminal according to the present invention, the present invention is not limited to this, but the claims and the detailed description of the invention, various modifications within the scope of the accompanying drawings It is possible to implement, and this is also within the scope of the present invention.

According to the hinged cover opening and closing device for a mobile terminal according to the present invention made as described above, since the configuration of the upper assembly and the lower assembly piece formed on the body and the cover of the mobile terminal to which the conventional hinged cover opening and closing device is applied, the portable terminal is not required. It is possible to reduce the thickness of.

Therefore, slimming, miniaturization, refinement of design, and the like can be eliminated, and the weakness of the strength can be eliminated, thereby extending the life of the portable terminal.

In addition, even when the portable terminal is slimmed down, the weak parts can be eliminated, so that good strength is maintained and the aesthetics are excellent as in the sliding cover opening device or the swing cover opening device.

According to the hinged cover opening and closing device for a mobile terminal according to the present invention, since a pair of hinge shafts are connected to each other through gears engaged with each other, the rotation speed (opening and closing speed) of the cover can be alleviated and a relatively constant rotation speed can be maintained.

Therefore, the opening and closing operation of the cover is performed smoothly and naturally, so that the impact generated when opening and closing the cover is reduced, thereby improving user convenience and extending the life of the portable terminal.

Furthermore, since the cover and the main body do not collide with each other, the damage caused by the noise generated when the cover and the main body collide with each other may be prevented.

Claims (6)

A first fixing stand assembled and installed inside the main body of the mobile terminal, a first hinge shaft whose one end is connected to one end of the first fixing stand, and a second fixing stand assembled and installed in the cover of the mobile terminal; A second hinge shaft, one end of which is connected to one end of the second fixing rod, the other end of the first hinge shaft and the second hinge shaft, and the other ends of the first fixing rod and the second fixing shaft; And a pair of rolling elements installed to rotate the first hinge shaft and the second hinge shaft together and having one end of a rotating cam integrally formed at one end thereof, and installed in contact with the rotating cam. A linear movable cam assembled to be linearly movable along the longitudinal direction of the hinge axis and the second hinge axis, and having a cylindrical shape having one side opened and surrounding the linear movable cam so as to be linearly movable. The outer end of the first hinge shaft and the other end of the second hinge shaft is installed so as to penetrate with the fastening ring, respectively, and is installed at a predetermined interval inside the outer cylinder, and the linear cam moves in such a way that the rotary cam and the linear cam are in close contact with each other. It includes a pair of elastic members that always apply force to the cam, The first fixing stand and the second fixing stand are each made of a "c" shape, The connecting member may include a first connecting plate portion having a pair of first connecting holes in which the other ends of the first hinge shaft and the second hinge shaft are rotatably assembled, and the first connecting plate portion at predetermined intervals. A second connecting plate portion having a pair of second connecting holes formed to face each other and rotatably assembled with the other ends of the first fixing rod and the second fixing rod, and connecting the first connecting plate portion and the second connecting plate portion; It is made by including a third connecting plate portion, The other end portions of the first fixing rod and the second fixing rod are respectively provided with assembly pin parts rotatably assembled in a second connection hole formed in the second connecting plate portion, and a pair of fan-shaped pairs around the assembly pin end portions. Each engaging piece is formed to protrude, A hinged cover opening and closing device for a mobile terminal, each of which has a pair of stop protrusions formed to protrude between the edges of both ends of the engaging piece. The method according to claim 1, The rolling element is a hinged cover opening and closing device for a portable terminal using a pair of gears rotatably assembled and engaged with each other to the first hinge shaft and the second hinge shaft, respectively. The method according to claim 1, A hinged cover opening and closing device for a mobile terminal, wherein a cam surface having a cam diagram consisting of an uphill section and a downhill section is formed on surfaces facing each other of the rotary cam and the linear cam. The method according to claim 1, Hinged cover opening and closing device for a mobile terminal further comprises a case member surrounding the outer cylinder and the rolling element, the connection member. delete The method according to claim 1, At the end of the main body case constituting the main body of the mobile terminal and the cover case constituting the cover of the mobile terminal meet each other, a pair of installation grooves of the "c" shape is formed facing each other, respectively, At the corner of the installation groove of the main body case, a first protrusion is formed so that the first fixing stand is assembled to the outside. A hinged cover opening and closing device for a mobile terminal, wherein a second protrusion is formed at an edge of an installation groove of the cover case so that the second fixing stand is assembled to the outside.

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