KR100959395B1 - Hinge device and electronic apparatus having the device - Google Patents

Abstract

PURPOSE: A hinge device and an electronic device having the same are provided to simplify a structure of swivel method which rotates a cover or a main body of an electric device by vertically, thereby reducing the number of parts and an assembly process to reduce a manufacturing cost. CONSTITUTION: A hosing(210) has penetration hole for cable which connects a cover and main body of electric device. A pair of brackets(220) is arrange on the housing which direction is on the straight line by right and left and fixed to the main body and the cover. A pair of tilting units(230) respectively rotates the brackets form the center form X-axis about the housing in a state which elastic force is given. A swivel unit(240) is arranged on lower part of the housing and fixed to the cover and the main body, and vertically rotates the hosing by the center of Z-axis in a state which elastic force is given.

Description

Hinge device and electronic device having same

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device in which horizontal and vertical rotations are combined, and more particularly, a notebook personal computer, a laptop personal computer, an ultra-mobile personal computer (UM PC), and a mobile internet device (MID). In addition, the present invention relates to a hinge device and an electronic device having the same, which can reduce manufacturing costs by reducing the number of parts and assembly labor so as to be conveniently used in small electronic devices such as vehicle navigation and mobile phones.

With the development of the electronics industry, light and small products are widely used for easy portability and use such as portable computers and portable terminals.

The portable computer is composed of a main body and a liquid crystal display monitor serving as a cover, and the cover serving as a monitor is coupled to the main body so as to be opened and closed about a hinge device. In addition, some electronic devices, including recent portable computers, are configured such that the cover of the main body is capable of horizontal rotation about the x axis and vertical rotation about the z axis in the xy plane. That is, the hinge device which connects a main body and a cover is comprised so that two-axis rotation is possible.

1 to 4 is a partially exploded perspective view, a coupling perspective view, a coupling plan view and a coupling front view showing the configuration of the hinge device used in the electronic device according to the prior art.

As shown in FIGS. 1 to 4, the conventional hinge device 100 includes a housing 110 having a through hole through which a cable for connecting a cover having a main body and a monitor of an electronic device passes through the housing 110. A pair of brackets 120 disposed in a straight line in the left and right directions and fixed to the main body or the cover, and the pair of brackets 120 are rotated horizontally about the x-axis with respect to the housing 110 in a state where elastic force is applied. A pair of tilting means 130 and a swivel disposed at a lower portion of the housing 110 to fix the cover or the body and to vertically rotate the housing 110 about the z-axis in a state in which elasticity is applied thereto. ) Means (140).

The tilting means 130 has a shaft 131, one side of which is fitted into one side of the housing 110, and a washer 132, a rotary cam 133, and a fixed cam 134 that are sequentially inserted into the shaft 131. ), The tilting spring 135, the fixing plate 136 and the nut 137. Here, the bracket 120 is configured such that a portion of the bracket 120 is inserted between the washer 132 and the rotary cam 133 to mesh with the rotary cam 133 to rotate.

The swivel means 140 is inserted between the lower periphery of the housing 110 and fixed to the cover or the main body, and disposed between the upper portion of the frame 141 and the lower periphery of the housing 110. Upper and lower rotation limiting members 142 and 143 for limiting the rotation so as to rotate vertically only within a range of 0 to 180 °, and the housing 110 which is vertically rotated by being seated on the lower portion of the frame 141 reaches 0 ° or 180 °. The upper and lower click feeling forming members 144 and 145 which form a click feeling when formed, and the lower click feeling forming member 145 are disposed below the housing 110 so as to deform as the housing 110 reaches 0 ° or 180 °. A spacer 146 providing a deformation space of the lower click feeling imparting member 145, a wave spring plate 147 disposed below the spacer 146 to impart an elastic force, and a leaf spring 147. Fastening to the lower part of the housing 110 by screws 149 at the lower part of the It consists of a cover 148 for preventing separation of the control internal components. Here, the lower rotational limiting member 143 and the upper crease forming member 144 are assembled to the frame 141, and the other upper rotational limiting member 142, the lower click forming member 145, and the spacer 146 are other than that. ), The leaf spring 147 and the cover 148 has a structure that is assembled to the housing (110).

By the way, the conventional hinge device 100 is not only complicated configuration of the swivel means 140 but also the height of the swivel means 140 is too high. That is, there is a problem that the manufacturing cost increases as the number of parts constituting the swivel means 140 is increased, thereby increasing the number of assembly operations. In addition, as the number of components constituting the swivel means 140 is so high that the height is approximately 8.7mm, and protrudes a lot downward, there is a disadvantage that it is not suitable for use in small electronic devices having a thin thickness.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, simplifying the structure of the swivel means for vertically rotating the cover or the main body of the electronic device about the z-axis and reduce the number of parts and assembly labor The purpose is to provide a hinge device that can reduce the manufacturing cost.

Another object of the present invention is to provide a hinge device and an electronic device having the same, which can be used in various small electronic devices having a thin thickness as the structure of the swivel means is simplified and the height thereof is reduced.

The hinge device of the present invention includes a housing having a through hole through which a cable for connecting the main body of the electronic device to the cover having a monitor passes through, and a pair of straight lines arranged in a horizontal direction of the housing and fixed to the main body or the cover. A pair of tilting means for rotating the bracket and the pair of brackets horizontally about the x-axis of the xy plane with respect to the housing in a state where elastic force is applied, and disposed under the housing to be fixed to the cover or the body. And a swivel means for vertically rotating the housing about the z-axis in the state in which the elastic force is applied.

The swivel means of the present invention is in contact with the upper surface of the frame in a state rotatably fitted around the fixing portion formed in the lower portion of the housing and fixed to the cover or the body, and integrally rotated around the fixing portion with the housing. And a click forming member that engages a portion of the frame when the housing reaches a fixed or maximum pivot position relative to the frame, and a swivel spring disposed below the frame to impart an elastic force when the housing rotates relative to the frame. , And at the bottom of the swivel spring, are fastened to the fixing part of the housing to prevent detachment of the internal components and to contact the other part of the frame such that the housing rotates vertically about the z axis only within the maximum rotational range at the fixed position to the frame. To include a cover to limit the range of rotation The.

The tilting means of the present invention includes a shaft having one side inserted into and fixed to one side of the housing, a rotatable cam having a pair of engaging protrusions rotatably inserted into the shaft and engaged with one side of the bracket, and having a cam structure on the other side; , The cam is inserted in such a way that rotation is impossible to the left and right, and the cam structure is fixed on one side to operate in a surface contact with the rotating cam, and a tilting force is applied when the bracket rotates horizontally about the x axis with respect to the housing. It is characterized in that it comprises a spring and a nut which is fastened to the other side of the shaft to prevent the separation of the internal parts.

The electronic device of the present invention is characterized in that it comprises a hinge device configured as described above, a cover having a body and a monitor rotatably connected to the hinge device.

This invention simplifies the structure of the swivel means for vertically rotating the cover or the main body of the electronic device about the z-axis and can reduce the number of parts and assembly labor, thereby reducing the manufacturing cost.

In addition, the present invention has the advantage that can be used in a variety of small electronic devices with a thin thickness by simplifying the structure of the swivel means and lowering the height to approximately 3.8mm.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a hinge device and an electronic device having the same according to the present invention will be described in detail.

5 to 9 are partial exploded perspective views, a combined perspective view, a coupling plan view, and a coupling front view showing a configuration relationship of a hinge device used in an electronic apparatus according to an embodiment of the present invention.

As shown in Figs. 5 to 9, the hinge device 200 according to this embodiment includes a housing 210 having a through hole through which a cable for connecting a cover having a main body and a monitor of an electronic device, and a housing, A pair of brackets 220 disposed in a straight line in the left and right directions of the 210 to be fixed to the main body or the cover, and the pair of brackets 220 with respect to the housing 210 in the state where the elastic force is applied, respectively. A pair of tilting means 230 which rotates horizontally in the horizontal direction, and the housing 210 is disposed below the housing 210 so as to be fixed to the cover or the main body and is vertically rotated about the z-axis in a state in which elastic force is applied. It consists of swivel means 240.

The tilting means 230 is a shaft 231, one side of which is fitted into one side of the housing 210, and a washer 232, a rotary cam 233, and a fixed cam 234, which are sequentially inserted and positioned on the shaft 231. ), The tilting spring 235, the fixing plate 236 and the nut 237.

The shaft 231 has a angular cylindrical shape in part. The rotary cam 233 has a circular hole in the center of the shaft 231 so as to be rotatable, and has a pair of engaging protrusions 233a formed at predetermined intervals on one side thereof. In addition, the rotary cam 233 has a cam structure having a protrusion, an inclined portion and a depression on the other side thereof.

The fixed cam 234 is fitted in the angular portion of the shaft 231 has a rectangular hole in the center so that the rotation is impossible and can move left and right, the surface contact state of the protrusion, the inclined portion and the depression of the rotary cam 233 It has a projection, an inclined portion and a recessed portion to operate on one side thereof. The tilting spring 235 is an elastic member that imparts elastic force when the pair of brackets 220 are horizontally rotated with respect to the housing 210, respectively. In this embodiment, the tilting spring 235 is configured as a coil spring.

In addition, the bracket 220 is a portion of which is inserted between the washer 232 and the rotary cam 233 is engaged with the rotary cam 233 is configured to rotate horizontally around the x-axis. That is, the bracket 220 is provided with a pair of insertion grooves 221 engaged with each other by a pair of engaging projections 233a of the rotary cam 233.

The operation relationship of horizontally rotating the pair of brackets 220 about the x-axis with respect to the housing 210 using the pair of tilting means 230 configured as described above is as follows.

First, when a horizontal rotational force in the longitudinal (x-axis) center of the shaft 231 is applied to the pair of brackets 220 from the outside, the pair of brackets 220 are subjected to the elastic force by the tilting spring 235 It rotates horizontally with the rotating cam 233. That is, as the protrusions, the inclinations and the depressions of the rotary cam 233 rotate while contacting along the depressions, the inclinations and the protrusions of the fixed cam 234, the fixed cam 234 compresses or returns the spring 235. While moving left and right along the shaft 231 in the direction, the pair of brackets 220 rotate horizontally with the rotary cam 233.

For example, when a pair of brackets 220 are coupled to the cover of the electronic device and the frame 241 of the swivel means 240, which will be described later, is coupled to the main body, the cover may have a customer's required operating range for the main body (usually 0 to 180 °) and the preload section (typically 5 to 10 °) to open or close by rotating horizontally around the x-axis within the range of -9 to 189 °. Therefore, the rotation range of -9 to 189 ° means that the cover rotates horizontally within 0 to 180 ° with respect to the main body, so that the preload section (9 °) is applied to the elastic force by the tilting spring 235 even in the open or closed state. ) Is set.

The swivel means 240 is fitted to the periphery of the fixing portion 211 formed in the lower portion of the housing 210 and the frame 241 which can be fixed to the cover or the main body, the upper surface in the state of being fitted around the fixing portion 211 to the outside When exposed, the bottom surface is placed in contact with the upper surface of the frame 241 so that the housing 210 is in contact with the frame 241 when the housing 210 reaches a fixed position (0 °) or maximum rotational (180 °) position relative to the frame 241. Click-forming member 242 to form a click feeling while elastically deformed toward the upper surface through the interaction of the swivel spring 243 and the swivel spring 243 disposed under the frame 241 to give an elastic force ( It is fastened to the fixing part 211 of the housing 210 by the screw 245 in the lower part of 243, and prevents the detachment of internal components, and the housing 210 is the maximum in the fixed position (0 °) with respect to the frame 241. Rotate vertically around the z axis only within the range of 180 ° The cover 244 is configured to limit the range of rotation through interaction with the frame 241.

The frame 241 is configured in a bent form in which both sides are low and the center is high, and is configured to have a receiving space of a predetermined height in the lower portion. A circular hole 241a is formed at the center of the frame 241 so that the fixing part 211 of the housing 210 is rotatably fitted, and protrudes downward to the outside of the circular hole 241a to cover the cover 244. Through the interaction with, a pair of rotation limiting projections 241b for limiting the rotation range such that the housing 210 is vertically rotated about the z axis only within a range of 0 to 180 ° is formed. In addition, a pair of click feeling forming grooves 241c are formed on the upper surface of the frame 241 in the radial direction of the circular hole 241a while being adjacent to the pair of rotation limiting projections 241b. The pair of click feeling forming grooves 241c form a click feeling when the housing 210 reaches a 0 ° or 180 ° position through interaction with the click feeling forming member 242.

The click feeling forming member 242 is formed to protrude inwardly of the circular hole 242a and the circular hole 242a formed at the center so as to fit around the fixing part 211 of the housing 210 of the fixing part 211. A pair of fixing protrusions 242b inserted into and fixed to a pair of fixing grooves 211a formed on the outside, and a pair of clicks of the frame 241 formed in the radial direction of the circular hole 242a so as to protrude to the lower surface. It has a click feeling forming protrusion 242c which meshes with the feeling forming groove 241c selectively (0 ° or 180 ° of the housing 210) to form a click feeling.

The swivel spring 243 is composed of a wave-shaped leaf spring to impart an elastic force, and has a hole 243a at the center to fit around the fixing portion 211 of the housing 210. The swivel spring 243 is an elastic member, and may be composed of one or more according to the degree of elastic force to be provided, or may be composed of a coil spring, a disk spring, or the like.

The cover 244 is fastened to the fixing part 211 of the housing 210 by the screw 245 at the lower part of the swivel spring 243, and prevents the detachment of the internal parts. Screw fastening hole 244a and a plurality of fixing holes 244b into which a plurality of fixing protrusions 211b protruding below the fixing part 211 are fitted. In the center of the cover 244, a through hole 244c through which a cable for connecting the cover of the main body of the electronic device to the cover having the monitor is formed. In addition, the outer side of the cover 244, the housing 210 is rotated vertically about the z-axis only within the range of 0 ~ 180 ° of the pair of the rotational restriction projection 241b of the frame 241 and optional (housing 210) One stopper projection 244d serving as a stopper by contacting at 0 ° or 180 ° position is formed to protrude.

Referring to the operation relationship of vertically rotating the housing 210 around the z-axis with respect to the frame 241 using the swivel means 240 configured as described above are as follows.

First, when an external force that rotates vertically with respect to the frame 241 is applied to the housing 210, the housing 210 receives elasticity by the swivel spring 243 and the click forming member 242 except for the frame 241. ), The swivel spring 243 and the cover 244 is rotated vertically around the z axis. That is, the pair of click feeling forming protrusions 242c of the click feeling forming member 242 inserted into and engaged with the pair of click feeling forming grooves 241c of the frame 241 at an initial position (0 ° of the housing 210). 1) is separated from the pair of click forming grooves 241c by an external force, and then rotates vertically while contacting the surface of the frame 241. When the housing 210 arrives at a position where the housing 210 is rotated 180 ° with respect to the frame 241 in this manner, the stopper protrusion 244d of the cover 244 comes into contact with the rotation limiting protrusion 241b of the frame 241 so that the housing ( 210 can no longer rotate, and a pair of click feeling forming protrusions 242c of the click feeling forming member 242 are inserted into and engaged with the pair of click feeling forming grooves 241c of the frame 241 to click. Give a sense.

Thus, the housing 210 is rotated vertically about the z axis within the range of 0 to 180 degrees with respect to the frame 241 by the swivel means 240. For example, when the frame 241 is coupled to the body of the electronic device and the pair of brackets 220 coupled to the housing 210 is coupled to the cover, the cover is rotated vertically within the range of 0 to 180 ° with respect to the body. Done.

FIG. 10 is a partially exploded perspective view showing the configuration of the hinge device used in the electronic device according to another embodiment of the present invention, and FIG. 11 is a detailed view showing the configuration of the disk spring shown in FIG.

As shown in FIG. 10, the hinge device 200A according to another embodiment constitutes the tilting spring 235A of the tilting means 230A by a plurality of disc springs, and the swivel spring 243A of the swivel means 240A. Except for configuring two, the configuration is the same as the hinge device 200 shown in Figs.

As shown in FIG. 11, the tilting spring 235A is configured to repeatedly stack a plurality of disc springs bent in the same direction as shown in FIG. 11A, or in the opposite direction as shown in FIG. 11B. It can be configured in a form of stacking a plurality of two disk spring bent in a pair as a pair.

Although the technical details of the hinge device of the present invention and the electronic device having the same have been described together with the accompanying drawings, the present invention has been described by way of example and is not intended to limit the present invention.

In addition, it is obvious that any person skilled in the art can make various modifications and imitations within the scope of the appended claims without departing from the scope of the technical idea of the present invention.

1 to 4 is a partial exploded perspective view, a combined perspective view, a coupling plan view and a coupling front view showing the configuration of the hinge device used in the electronic apparatus according to the prior art,

5 to 9 are partially exploded perspective view, a combined perspective view, a coupling plan view and a coupling front view showing the configuration of the hinge device used in the electronic device according to an embodiment of the present invention,

10 is a partially exploded perspective view illustrating a configuration relationship of a hinge device used in an electronic device according to another embodiment of the present invention.

FIG. 11 is a detailed view showing the configuration of the disk spring shown in FIG. 10.

  ♠ Explanation of symbols on the main parts of the drawing ♠

200: hinge device 210: housing

220: bracket 230: tilting means

231: shaft 232: washer

233: rotating cam 234: fixed cam

235: tilting spring 236: fixed plate

237 nut 240 swivel means

241: frame 242: click forming member

243: swivel spring 244: cover

245 screw

Claims (9)

A housing having a through hole through which a cable for connecting a cover having a main body and a monitor of the electronic device passes, a pair of brackets disposed in a straight line in the left and right directions of the housing and fixed to the main body or the cover, and an elastic force A pair of tilting means for rotating the pair of brackets horizontally about the x-axis center of the xy plane with respect to the housing in a given state, and disposed under the housing to be fixed to the cover or the body and to have elastic force Swivel means for vertically rotating the housing about the z-axis in the state given to, The swivel means is a frame rotatably fitted around the fixing part formed in the lower portion of the housing, the frame is fixed to the cover or the main body, and the upper surface in the state fitted to rotate integrally with the housing around the fixing part A exposed feeling forming member which is disposed to be in contact with the upper surface of the frame and is engaged with a portion of the frame while being elastically deformed toward the upper surface when the housing reaches a fixed position or a maximum pivot position with respect to the frame; A swivel spring disposed under the frame to impart an elastic force when the housing rotates with respect to the frame, and fastened to a fixing part of the housing by a screw at a lower portion of the swivel spring to prevent detachment of internal components; The housing is in the fixed position with respect to the frame A cover for limiting the range of rotation in contact with the other part of the frame such that it is vertically rotated about the z axis only within a large range of rotation, The frame has a first circular hole formed in the center so that the fixing portion of the housing is rotatably fitted, and is formed on the upper surface in the radial direction of the first circular hole so that the housing is in a 0 ° or 180 ° rotational position with respect to the frame. A pair of click feeling forming grooves which engage with the click feeling forming member when reaching, and protrude downward from the outside of the first circular hole to contact the lid so that the housing is in the range of 0 to 180 ° with respect to the frame. It has a pair of rotation limiting projections for limiting the rotation range to rotate vertically about the z-axis center only, The click forming member is fixed to a second circular hole formed in the center so as to fit around the fixing part of the housing, and a plurality of fixing grooves formed to protrude into the second circular hole to be formed outside the fixing part. A plurality of fixing projections, and protruding from the lower surface in the radial direction of the second circular hole so that the pair of click feeling forming grooves of the frame when the housing is in a 0 ° or 180 ° rotational position with respect to the frame. It has a pair of interlocking forming protrusions, The cover protrudes outward and includes a stopper protrusion that contacts the pair of rotational limiting projections of the frame to limit the rotation of the housing when the housing is in a 0 ° or 180 ° rotational position relative to the frame, The swivel spring is a hinge device, characterized in that the wave spring. The method according to claim 1, The tilting means may include a shaft having one side inserted into and fixed to one side of the housing, and a pair of engaging protrusions rotatably inserted into the shaft and engaged with one side of the bracket on one side, and a cam structure on the other side. And a cam structure fixed to one side of the cam so as to be rotatable and movable left and right, and fixed to the cam structure so as to operate in a surface contact with the rotating cam, and the bracket rotates horizontally about the x-axis with respect to the housing. And a tilting spring for imparting elastic force at the time, and a nut fastened to the other side of the shaft to prevent detachment of internal components. delete delete delete The method according to claim 2, One side of the bracket is a hinge device, characterized in that the pair of engaging projections of the rotary cam is inserted into a pair of insertion grooves to be engaged with each other. The method according to claim 2, The tilting spring is a hinge device, characterized in that consisting of a coil spring or a plurality of disk spring. delete An electronic device comprising a hinge device capable of horizontal rotation about an x axis and a vertical rotation about an y axis with respect to an xy plane, a cover having a body and a monitor rotatably connected to the hinge device. The said hinge apparatus is an electronic device provided with the hinge apparatus of any one of Claims 1, 2, 6, or 7.

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