KR19990040865U - Hinge device for flip type mobile phone - Google Patents

Abstract

end. The technical field to which the invention described in the claims belongs.

The present invention relates to a hinge device of a flip-type mobile phone.

I. The technical problem the invention is trying to solve

The present invention is to provide a hinge device that can provide high reliability by minimizing the force applied to the neck and knuckle when excessive force is applied to the flip cover during opening and closing the flip cover.

All. The gist of the solution of the invention.

According to the present invention, in the flip-type mobile phone, the end of the hinge shaft of the hinge module has a semi-circular shape, and a semi-spherical locking groove is formed at the engaging portion of the flip cover coupled to the end.

la. Important uses of the devise.

Flip phones.

Description

Hinge device for flip type mobile phone

The present invention relates to a flip-type radiotelephone, and more particularly, to a hinge device for mechanically connecting a body and a flip cover.

Conventional flip-type mobile phones are roughly divided into a main body consisting of two housings, a flip cover, and a hinge device for mechanically connecting the main body and the flip cover.

As shown in FIG. 1, the body 100 is composed of an upper casing frame 101 and a lower casing frame 102, and an earpiece 110 including a speaker at the top of the body 100. (ear piece) is located, the lower portion of the ear piece 110 is disposed LCD unit 120 (LCD unit), the lower portion of the LCD 120 is located keypad 130 (key pad) including a plurality of keys 131, the body of the 100 The microphone device 140 is installed at the lowermost center, and hinge devices (not shown in the drawing) are respectively installed at the accommodating part 141 at both sides of the microphone device 140.

In addition, the flip cover 200 has a neck 201 extending therefrom, and a hinge knuckle 210 is formed at each of the neck 201 ends so that the flip cover 200 is detachable and assembled to the hinge device.

In the figure, the end 72 of the hinge shaft is exposed on both sides 142 of the housing.

As shown in Figures 2 and 3, the conventional hinge device is composed of two hinge modules M1, M2, the hinge modules M1, M2 are mounted to face the receiving portion 141 of the upper casing frame, respectively. The hinge modules M1 and M2 are installed around the rotational center axis, and each of the hinge modules has a different configuration. One hinge module M1 in the hinge housing 1 is assembled with a hinge shaft 2 and a hinge cam 3, a hinge spring 4 and a hinge cover 5, and the other hinge module is composed of a hinge shaft 7, a hinge spring 8 and a hinge cover 9 . In addition, a space 170 in which the microphone device is installed is provided between the hinge modules, and a support wall 160 for fixing the hinge module is vertically positioned.

As shown in Figures 4 and 5, the conventional hinge device is composed of two hinge modules, each of the hinge modules M1, M2 is mounted to the receiving portion 141 of the upper casing frame, respectively, as shown in FIG. As illustrated, one hinge module M1 includes a hinge housing 1, a hinge shaft 2 inserted into the hinge housing 1, a hinge cam 3 engaged with the hinge shaft 2 and sliding, and a hinge providing elastic force to the hinge cam 3. It consists of a spring 4 and a hinge cover 5 which is locked to the hinge housing 1 and surrounds the components.

The guide hole 13 extends in the longitudinal direction on the upper surface 11 of the hinge housing 1, and the engaging holes 14 are formed on both side surfaces thereof. In addition, 12 is a curved surface. The hinge shaft 2 has an end 23 which is assembled to the hinge knuckle of the flip cover on one side, and a mountain portion 22 is formed on the other side. The end 23 has a plane 23a and a curved surface 23b. The hinge cam 3 is formed to face each other alternately the valley portion 32 and the mountain portion 31 engaging the mountain portion 22 to one side. In addition, the guide protrusion 34 protrudes upward on the hinge cam. The fixing protrusion 33 protrudes from the other end surface of the hinge shaft. The hinge cover 5 has a structure in which the Fuku 51 is formed at both sides, the guide protrusion 53 protrudes upward, and the fixing protrusion 52 protrudes on one side thereof.

Thus, the hinge shaft 2 is inserted into the hinge housing 1, and then the valley portion 32 of the hinge cam 3 is assembled by engaging the hill portion 22 of the hinge shaft 2, and the hinge spring 4 is connected between the hinge cam 3 and the hinge cover 4. Is positioned, the hook 51 of the hinge cover is locked in the locking hole 14 of the hinge housing, thereby completing the assembly of one hinge module M1.

5 is a perspective view showing another hinge module. The hinge module M2 is composed of a hinge housing 6, a hinge shaft 7 inserted into the hinge housing 6, a hinge spring 8 for providing a force to the hinge shaft 7, a hinge cover 9 locked to the hinge housing 6, and the like. . The guide hole 63 extends in the longitudinal direction on the upper surface 61 of the hinge housing 1, and the engaging holes 64 are formed on both side surfaces thereof. The lower part is curved. One side of the hinge shaft 7 is the shaft 71 and the end 72 are assembled with the hinge knuckle of the flip module. Then, the hinge spring 8 is assembled to the protrusion 73 of the hinge shaft, and finally, the guide protrusion 93 and the hook 91 of the hinge cover are assembled to the guide hole 63 and the engaging hole 64 of the hinge housing, thereby completing the assembly of one hinge module M2. do. At this time, the end 72 of the hinge shaft 7 is cylindrical.

As shown in Figure 6 to 7b, the flip cover is assembled to the conventional hinge module has the following configuration.

The conventional flip cover 200 is assembled to the hinge shaft of the hinge module, respectively, and the necks 201 and 221 are extended to be detachable from the hinge device, respectively, the hinge knuckles 210 and 220 are formed at the ends of the necks 201 and 221, and the hinge knuckles 210 and 220 are each hinged. Engaging portions 211 and 222 corresponding to the shape of the shaft are formed.

That is, the engaging portion 211 assembled to the hinge shaft of one hinge module M1 has a shape corresponding to the end of the shaft, and the engaging portion 222 assembled to the hinge shaft of the other hinge module M2 has a shape corresponding to the end of the hinge shaft. Do it.

In addition, holes 2111, 2101, 2201, and 2211 were formed in each of the knuckles 210 and 220, and the flip cover was detachable from the hinge device, and ribs 212 and 223 were additionally formed to provide rigidity to the locking portion.

As shown in Figure 3, the conventional hinge device is performed the opening and closing operation of the flip cover in the configuration as described above. The hinge shaft 2 of the hinge module M1 also rotates in accordance with the rotation of the flip cover, and the hinge cam 3 performs a sliding movement in accordance with the rotation of the hinge shaft 2, and performs a linear movement by the guide protrusion 34 in the hinge housing 1. . That is, the hinge shaft 2 rotates about the rotation axis, and the hinge cam 3 performs front and rear linear movement while making sliding surface contact with the mountainous part 22 of the hinge shaft. The hinge spring 4 provides the hinge cam 3 with a restoring force to return to its original position and transmits a force to the flip cover.

In addition, among the hinge devices of the related art, the other hinge module M2 does not rotate the hinge shaft 7 regardless of whether the flip cover is opened or closed, and serves to support the flip cover only by the rotation shaft. The hinge spring 8 only provides elastic force to the hinge shaft 7.

However, the conventional hinge device having the configuration as described above has the following problems.

During use, the caller exerts excessive force on the flip cover when the flip cover is opened and closed, and the force is transmitted to the neck portion of the flip cover. When such excessive force is frequently applied to the flip cover neck portion, fatigue occurs in the neck, and when such fatigue phenomenon develops, a problem occurs that is broken. In addition, since excessive force is transmitted not only to the neck but also to the hinge knuckle portion, even if a detachable hole is formed, there is no solution.

If excessive force is applied to the flip cover during use, it must be separated from the hinge device, and if the force is not applied, the flip cover must be assembled to the hinge device. As a result, the flip cover, which is detachably assembled to the hinge device, needs to be determined to be detachable in consideration of the amount of force applied to the neck.

The present invention has been made to solve the above-mentioned conventional problems, the object of the present invention is to provide high reliability by minimizing the force applied to the neck and knuckles when excessive force is applied to the flip cover during flip cover opening and closing. To provide a hinge device that can be.

In order to achieve the above objects, the subject innovation is to make the end of the hinge shaft of the hinge module to a semi-circular shape, the locking groove of the semi-circular shape is formed in the engaging portion of the flip cover coupled to the end.

1 is a perspective view showing a flip-type mobile phone according to a conventional embodiment.

Figure 2 is a plan view showing a state in which the hinge module is mounted on the upper housing according to a conventional embodiment.

3 is a cross-sectional view of the line X-X in FIG.

Figure 4 is an exploded perspective view showing one hinge module M1 according to a conventional embodiment.

5 is an exploded perspective view showing another hinge module M2 according to a conventional embodiment.

6 is a plan view showing a flip cover according to a conventional embodiment.

FIG. 7A is a cross-sectional view illustrating a flip cover in a direction A of FIG. 6; FIG.

FIG. 7B is a cross-sectional view of a flip cover in a direction B of FIG. 6;

8 is a perspective view showing a flip-type mobile phone according to an embodiment of the present invention.

Figure 9 is a plan view showing a state in which the hinge module according to an embodiment of the present invention is mounted on the upper housing.

10 is a cross-sectional view of the line Y-Y of FIG.

Figure 11 is an exploded perspective view showing another hinge module M3 according to an embodiment of the present invention.

12 is a plan view showing a state in which a part of the flip cover is cut according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention. First, in describing each of the drawings, only the same components have the same reference numerals as much as possible even if shown on different drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

8 is a perspective view showing a flip-type mobile phone according to an embodiment of the present invention. Referring to the drawings,

Body 100 (body) is composed of an upper casing frame 101 (upper casing frame) and the lower casing frame 102 (lower casing frame), the ear piece 110 (ear piece) including a speaker is located at the top of the body 100, An LCD unit 120 is disposed below the ear piece 110, and a keypad 130 including a plurality of keys 131 is disposed below the LCD unit 120, and a microphone device 140 is installed at the bottom center of the body 100. Hinges (not shown in the drawing) are respectively installed in the accommodating part 141 on both sides of the microphone device 140.

In addition, the flip cover 200 has a neck 201 extending therefrom so as to be detached from the hinge device and a hinge knuckle 210 is formed at each of the neck 201 ends.

In the figure, the end portion 72-1 of the hinge shaft is exposed on both sides 142 of the receiving portion.

As shown in Figure 9 and 10, the hinge device of the present invention consists of two hinge modules M1, M2, the hinge modules M1, M2 are mounted facing the receiving portion 141 of the upper casing frame, respectively. The hinge modules M1 and M2 are installed around the rotational center axis, and each of the hinge modules has a different configuration. One hinge module M1 in the hinge housing 1 is assembled with a hinge shaft 2 and a hinge cam 3, a hinge spring 4 and a hinge cover 5, and the other hinge module is a hinge shaft 7-1, a hinge spring 8 and a hinge cover 9 Configured. In addition, a space 170 in which the microphone device is installed is provided between the hinge modules, and a support wall 160 for fixing the hinge module is vertically positioned.

9 and 10, the hinge device of the present invention is composed of two hinge modules, one of the two hinge modules M1, M2, because one hinge module M1 is the same as the conventional hinge module Detailed description will be omitted.

Meanwhile, another hinge module M2 is shown in detail in FIG. 11. As shown in FIG. 11, the hinge module M3 includes a hinge housing 6, a hinge shaft 7 inserted into the hinge housing 6, a hinge spring 8 providing a force to the hinge shaft 7, and a lock on the hinge housing 6. It consists of a hinge cover 9 that wraps around. The hinge housing 6 has an assembly hole (not shown in the figure) through which the hinge shaft 7-1 penetrates to one side, and a guide hole 63 extends in the longitudinal direction on the upper surface 61, and engaging holes 64 are formed on both sides. . In addition, the upper surface 61 of the hinge housing is flat, the lower 62 is curved. The hinge shaft 7-1 inserted into the hinge housing has a shaft 7-1 protruding in the hinge housing 6 and a fixing protrusion 73-1 in which the hinge spring 8 is fixed in the hinge spring 8. At this time, the end portion 72-1 of the hinge shaft 7-1 is hemispherical.

The hinge cover 9, which is locked in the hinge housing 6 and protects the hinge shaft 7-1 and the hinge spring 8, has guide protrusions 93 protruding upward from the top thereof, and hooks 91 are formed at both sides thereof, and are assembled to the locking holes 64 of the hinge housing. And locked. In addition, the fixing protrusion 92 protrudes to the other side of the hinge cover 9.

The configuration of the flip cover 200 assembled to the hinge shaft of the hinge module will be described in detail with reference to FIG. 12.

Necks 201 and 221 are extended to the flip cover 200, and hinge knuckles 210 and 220 are formed at ends of the necks 201 and 221, respectively, and fixing parts 2101 and 2201 are formed inside the hinge knuckles to be coupled to ends of the hinge shafts. A fixing groove 2202 is formed in the government 2201. At this time, the fixing groove 2202 has a hemispherical shape.

That is, the fixing groove 2202 corresponds to the end portion 72-1 of the hinge shaft included in one hinge module M3 among the two hinge modules. When the end of the hinge shaft and the shape of the fixing groove are hemispherical, as a result, when an excessive force is applied to the flip cover when the flip cover is assembled to the hinge device to perform the opening and closing operation, the hinge shaft and the fixing portion are coupled to the structure. The flip cover is separated from the hinge device. Therefore, excessive force is not transmitted to the neck or knuckles, thereby providing high reliability to the flip cover.

On the other hand, in the detailed description of the present invention has been described with respect to specific embodiments, it will be apparent to those skilled in the art that various modifications are possible without departing from the scope of the present invention.

As described above, in the flip-type mobile phone, even if excessive opening and closing force is applied to the flip cover, by providing a high reliability to the product by minimizing the force transmitted to the neck or knuckle of the flip cover.

Claims (1)

A first hinge housing having a top surface flat and a bottom surface curved, with guide holes elongated on the top surface; A first hinge shaft is formed on one side, the other side is protruding the mountain portion is inserted into the hinge housing; One side is formed alternately with the ridge and the valley portion, the other side is a fixed projection protruding, the guide projection protrudes to the upper side is engaged with the hinge shaft is inserted into the hinge housing; A first hinge cover outermostly coupled to the hinge housing; A hinge module (M1) composed of a compression coil spring interposed between the cam hinge and the hinge cover; And A second hinge housing having a top surface flat, a bottom surface curved, and a guide hole elongated on the top surface; A second hinge shaft on one side of which a shaft is formed and the other side of which a fixing protrusion protrudes and is inserted into the second hinge housing; A second hinge cover outermostly coupled to the second hinge housing; In the flip-type mobile phone, the flip cover opening and closing operation is assembled to a latching unit of the flip cover to a hinge device comprising a hinge module (M2) composed of a compression coil spring interposed between the hinge shaft and the hinge cover. An end of the hinge shaft of the hinge module is a semi-circular shape, the hinge device of the flip-type mobile phone, characterized in that the semi-spherical locking groove is formed in the engaging portion of the flip cover coupled to the end.