KR200198278Y1 - Hinge apparatus for portable complexing information unit - Google Patents

Abstract

The present invention relates to a hinge device of a portable multi-information terminal, the disclosed hinge device is a hinge device of a portable terminal, the upper housing of the mobile phone function, the lower housing of the computer function, the upper housing and the lower housing mechanically connected A portable terminal comprising a hinge device, wherein the first and second hinge arms are formed in the upper housing, respectively, and the first and second hinges are formed in the lower housing in an inward direction of the first and second hinge arms about the rotation axis. Knuckles are formed respectively, and the hinge means assembled to the first and second hinge arms and the first and second hinge knuckles along the rotation axis are provided with insertion grooves and insertion portions at both ends, respectively. A cylindrical hinge spacer (a) lying between the two hinge knuckles; A hinge pin which is provided with a head on one side and is assembled to an insertion groove of the hinge spacer, a rotatable assembly rotatably around the hinge pin, fixed to a first hinge arm, and a center of the hinge pin A hinge module made of a metallic material, comprising a second rotating member rotatably assembled independently of the first rotating member, wherein both ends are inserted between the first hinge arm and one end of the hinge spacer; A hinge shaft (c) having both ends inserted and disposed between the second hinge arm and the other end of the hinge spacer; Stopping means (d) respectively formed on the hinge shaft and the second hinge arm; And a compression coil spring (e) provided between the second hinge arm and the hinge spacer to provide an elastic force such that one end of the hinge shaft is in close contact with the hinge spacer.

Description

HINGE APPARATUS FOR PORTABLE COMPLEXING INFORMATION UNIT}

The present invention relates to a portable composite information terminal, and more particularly to a hinge device for opening and closing the housing within a limited angle.

In general, a terminal integrating various functions into one consists of two housings. Such portable terminals include devices such as information terminals or electronic organizers, and the apparatus includes two housings and a hinge device connecting the housings.

In such a mobile terminal, a mobile phone is configured such that a flip element, which is one of two housings, can be opened and closed by a hinge device in another housing. The flip element protects a plurality of keys or a negative reflection plate. Playing a role.

Conventional portable terminals are composed of two housings, and a hinge device for connecting the housings is installed. The hinge device is composed of a conventional hinge and a hinge hole. That is, the hinge is formed in one housing facing each other, the hinge hole is formed in the other housing corresponding to the hinge, the two housings have been configured to be coupled to each other. Then, one housing was opened and closed about the other housing with the hinge device as the rotating shaft.

At this time, the conventional hinge device is made of a simple plastic injection molding, it is not easy to combine structurally, taking a weak structure in terms of strength, the hinge device is easy to break, if such a hinge device is broken, Difficulties arise in the reuse of products. If the hinge device does not function as a hinge, the product may not be used, but may be caused by factors that lower the stability or reliability of the product.

The present invention has been made to solve the above-mentioned conventional problems, an object of the present invention to provide a hinge device of a portable composite information terminal that is easy to assemble and disassemble.

Another object of the present invention to provide a hinge device of a portable composite information terminal with improved stability and reliability.

In order to achieve the above objects, the present invention provides a portable terminal comprising an upper housing of a mobile phone function, a lower housing of a computer function, and a hinge device for mechanically connecting the upper housing and the lower housing. First and second hinge arms are respectively formed, and first and second hinge knuckles are respectively formed in the lower housing in an inward direction of the first and second hinge arms, and the first and second axes are respectively formed along the rotation axis. The hinge means assembled to the hinge arm and the first and second hinge knuckles

Cylindrical hinge spacers (a) having insertion grooves and insertion portions respectively disposed at both ends thereof and positioned between the first and second hinge knuckles about the rotation axis;

A hinge pin which is provided with a head on one side and is assembled to an insertion groove of the hinge spacer, a rotatable assembly rotatably around the hinge pin, fixed to a first hinge arm, and a center of the hinge pin A hinge module made of a metallic material, comprising a second rotating member rotatably assembled independently of the first rotating member, wherein both ends are inserted between the first hinge arm and one end of the hinge spacer;

A hinge shaft (c) having both ends inserted and disposed between the second hinge arm and the other end of the hinge spacer;

Stopping means (d) respectively formed on the hinge shaft and the second hinge arm; And

Compression coil spring (e) is provided between the second hinge arm and the hinge spacer to provide an elastic force so that one end of the hinge shaft is in close contact with the hinge spacer.

1 is a perspective view showing a portable composite information terminal according to an embodiment of the present invention.

Figure 2 is an exploded perspective view showing a portable composite information terminal according to an embodiment of the present invention.

3 is a perspective view showing a hinge module according to an embodiment of the present invention.

Figure 4a is a perspective view showing a state seen from above the hinge spacer according to an embodiment of the present invention.

Figure 4b is a perspective view showing a state viewed from below the hinge spacer according to an embodiment of the present invention.

Figure 4c is a cross-sectional view showing a hinge spacer according to an embodiment of the present invention.

Figure 5a is a perspective view showing a hinge shaft according to an embodiment of the present invention.

Figure 5b is a cross-sectional view showing a hinge shaft according to an embodiment of the present invention.

Figure 6a is an enlarged perspective view of the first hinge knuckle of the terminal according to an embodiment of the present invention.

Figure 6b is an enlarged perspective view of the second hinge knuckle of the terminal according to an embodiment of the present invention.

Figure 7a is an enlarged perspective view of the hinge arm of the terminal according to an embodiment of the present invention.

Figure 7b is an enlarged perspective view of the second hinge arm of the terminal according to an embodiment of the present invention.

Figure 8 is a perspective view showing a state in which the hinge device of the terminal according to an embodiment of the present invention assembled.

9 is a cross-sectional view showing the configuration of the assembled hinge device according to an embodiment of the present invention.

Figure 10a is a cross-sectional view showing a closed state of the upper housing according to an embodiment of the present invention

Figure 10b is a cross-sectional view showing an open state of the upper housing according to an embodiment of the present invention

<Description of the symbols for the main parts of the drawings>

1: hinge spacer 2: hinge module

3; hinge shaft 100: upper housing

200: lower housing

Hereinafter, with reference to the accompanying drawings will be described in detail a 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.

1 is a perspective view showing a portable composite information terminal according to an embodiment of the present invention. Referring to the drawings, the portable composite information terminal of the present invention connects an upper housing 100, an upper housing 200, a lower housing 200, and the upper housing 100 and the lower housing 200. And a hinge device (shown in FIG. 2). The upper housing 100 is a mobile phone, and the lower housing 200 is a computer. In addition, the mobile phone installed in the upper housing 100 and the computer installed in the lower housing 200 are mechanically provided by hinge devices assembled to the first and second hinge arms 110 and 120 and the first and second hinge knuckles 210 and 220. And electrically connected by a flexible printed circuit (not shown).

The upper housing 100 is a mobile phone, the antenna 131 is bent around the axis of rotation A2 at the top edge of one side, the earpiece 132 (earpiece) including a speaker is located on the upper housing, An LCD unit 133 is mounted below the piece. In addition, a key pad 134 (key pad) including a plurality of numeric keys, character keys, and function keys silk-printed with special characters is positioned below the LCD. In addition, a microphone unit 135 is installed at the bottom of the upper housing 100. In this configuration, the upper housing 100 is opened and closed about the rotational axis A1 at an angle θ in the direction of the arrow with respect to the plane of the lower housing 200. In addition, the battery pack 230 is installed on the bottom of the lower housing 200.

A hinge device is installed at one side to connect the upper housing 100 and the lower housing 200, and the first and second hinge arms 110 and 120 are provided on the upper housing 100 to install the hinge device of the present invention. a hinge arm is formed, first and second hinge knuckles 210 and 220 are formed in the lower housing 200, and a hinge spacer 1 is formed between the first and second hinge knuckles 210 and 220. hinge spacer). That is, the first and second hinge arms 110 and 120 are positioned around the rotation axis A1, and the first and second hinge knuckles 210 and 220 are positioned inside the first and second hinge arms 110 and 120, respectively. The hinge spacer 1 is provided between knuckles.

The configuration of the hinge device will be described with reference to FIG. 2. As shown in FIG. 2, the lower housing 200 of the present invention is a computer, and an LCD unit 250 is mounted on an upper surface thereof, and a power switch 260 and a power switch are reset at a predetermined position. The switch 270 is installed to be exposed. The flexible printed circuit 240 (FPC: FPC) is drawn from the lower housing 200 to electrically connect the upper housing 100 and the lower housing 200. This flexible printed circuit 240 is connected toward the upper housing 100 to supply power. In this case, the driving method of the LCD unit 250 installed on one side of the lower housing 200 uses a touch panel type, and the touch operation uses a pen type stylus. do. In the figure, a stylus not shown is installed at one side of the lower housing.

A hinge device according to an embodiment of the present invention includes a hinge spacer 1, a hinge module 2 inserted into one end of the hinge spacer, and a hinge shaft inserted into the other end of the hinge spacer 1. (3) and an elastic body 4 inserted into the hinge shaft 3 and the like. The elastic body 4 is most preferably a compression coil spring.

One end of the hinge module 2 is inserted into the first hinge arm 110, and the other end of the hinge module 2 is inserted into the one end of the hinge spacer 1 past the first hinge knuckle 210. In addition, one end of the hinge shaft 3 is inserted through the second hinge knuckle 220 to the other end of the hinge spacer 1, and the other end of the hinge shaft 3 is inserted into the second hinge arm 120. In addition, the compression coil spring 4 is installed between the second hinge arm 120 and the hinge shaft (3).

The upper housing and the lower housing are electrically connected to the upper housing via a flexible printed circuit drawn out from the lower housing via the hinge spacer of the hinge device. The assembled state of the hinge device of the present invention will be described in detail with reference to FIGS. 8 and 9. 3 and 7, the components of the hinge apparatus will be described in detail. 3 is a perspective view illustrating a hinge module of a terminal according to an exemplary embodiment of the present invention. As shown in Figure 3, the hinge module 2 of the present invention serves to rotatably connect the upper housing and the lower housing. The hinge module 2 is a component assembled over the first hinge arm of the upper housing and the first hinge knuckle and hinge spacer of the lower housing. The hinge module has two rotating members 22 about the hinge pin 21. 23 are assembled independently.

The two rotating members are assembled independently of the hinge pin 21 about a central axis. That is, the first and second rotating members 22 and 23 rotate independently in the direction of the arrows, respectively, and the first and second rotating members 22 and 23 are respectively the first and second cylindrical portions 22a and 23a. And first and second fixing parts 22b and 23b. First and second fixing parts protrude in the circumferential direction on the outer circumferential surfaces of the first and second cylindrical portions 22a and 23a, respectively. Then, one side of the hinge pin 21 is formed with a head 21a inserted into and fixed to the hinge spacer. In this case, the hinge pins 21 and the first and second rotating members 22 and 23 are all made of metal.

Moreover, the hinge pin 21 and the first and second rotating members 22 and 23 of the hinge module are strongly coupled. That is, since the outer diameter of the hinge pin 21 and the inner diameter of the first and second rotating members 22 and 23 are in intimate contact with each other, the second rotating member 23 is centered on the hinge pin 21. The second rotary member 23 rotates about the hinge pin 21 only when a strong force is applied to the hinge pin 21. That is, the upper housing stops rotating at the point where the force for rotating the upper housing is removed, and this state is maintained. This is to prevent sudden opening when the upper housing is opened and closed about the hinge axis, and to provide stability to the hinge axis to pursue product reliability.

Figure 4a is a perspective view showing a state of the hinge spacer according to an embodiment of the present invention from above. Figure 4b is a perspective view showing a state viewed from below the hinge spacer according to an embodiment of the present invention. Figure 4c is a cross-sectional view showing a hinge spacer according to an embodiment of the present invention. 4A to 4C, the hinge spacer 1 of the present invention is assembled by inserting a head of the hinge module at one end thereof and inserting a hinge shaft at the other end thereof. Therefore, an insertion groove 11a is formed at one end 11 of the hinge spacer, and an insertion portion 12a is formed at the other end 12. In addition, two through holes are formed in order to electrically connect the flexible printed circuit drawn out from the lower housing to the upper housing. The first and second through holes 13a and 13b extend at predetermined positions in the longitudinal direction. Therefore, such a flexible printed circuit passes through the first through hole 13a and passes through the second through hole 13b to exit the hinge device.

At this time, the disassembly hole 14 is formed at the other end 12 of the hinge spacer 1. The disassembling hole 14 is formed to separate the hinge device from the upper housing and the lower housing. Disassemble the hinge device by moving the hinge shaft inserted with fine tweezers or sharp pins. Therefore, the assembly and disassembly of the hinge device from the housing is easy.

Figure 5a is a perspective view showing a hinge shaft according to an embodiment of the present invention. Figure 5b is a cross-sectional view showing a hinge shaft according to an embodiment of the present invention. 5A and 5B, the hinge shaft 3 of the present invention is cylindrical, and one end 31 is inserted into the other end of the hinge spacer, and the other end 32 is inserted into the compression coil spring. Therefore, a spring mounting hole 32a is formed at the other end of the hinge shaft. And the stopper 33 protrudes on the outer peripheral surface of the hinge shaft 3. The stopper 33 extends in the longitudinal direction, one side 33a is disposed at the second hinge knuckle, and the other side 33b is disposed at the second hinge arm. The hinge shaft having such a configuration is one end 31 is assembled to the hinge spacer, the middle is located on the second hinge knuckle 220 and the second hinge arm 120, the other end 32 is the second hinge arm Are assembled.

6A is an enlarged perspective view of a first hinge knuckle of a terminal according to an exemplary embodiment of the present invention. 6B is an enlarged perspective view of a second hinge knuckle of a terminal according to an exemplary embodiment of the present invention. As shown in FIG. 6A, the first hinge knuckle 210 is a hole into which a second rotating member is inserted among the hinge modules, and a circular insertion hole 2101 corresponding to a cross-sectional shape of the second rotating member. The fixing hole 2102 is formed. That is, the first hinge knuckle 210 of the present invention has a hole 2101 into which the cylindrical portion of the second rotating member is inserted and a fixing hole 2102 into which the fixing portion is inserted. Therefore, the diameter of the cylindrical portion of the second rotating member and the diameter of the insertion hole 2101 of the first hinge knuckle are the same.

As shown in FIG. 6B, the second hinge knuckle 220 is a position where the hinge shaft is inserted, and a circular insertion hole 2201 corresponding to the shape of the hinge shaft is formed. In addition, a fixing hole 2202 is formed in which the stopper of the hinge shaft is inserted so that the hinge shaft does not rotate in the second hinge knuckle 220.

7A is an enlarged perspective view of a first hinge arm of a terminal according to an exemplary embodiment of the present invention. Figure 7b is an enlarged perspective view of the second hinge arm of the terminal according to an embodiment of the present invention. As shown in FIG. 7A, the first hinge arm 110 is a portion in which the first rotating member is inserted among the hinge modules, and has a circular insertion hole 1101 corresponding to the cross-sectional shape of the first rotating member. The fixing hole 1102 is formed. That is, the first hinge arm 110 of the present invention has a hole 1101 into which the cylindrical portion of the first rotating member is inserted and a fixing hole 1102 into which the fixing portion is inserted.

As shown in FIG. 7B, the second hinge arm 120 is inserted into the hinge shaft and the compression coil spring, and a circular insertion hole 1201 corresponding to the cross-sectional shape of the hinge shaft is formed. At this time, when opening the upper housing, a moving hole 1202 in which a stopper may be formed is formed so as not to restrict the rotation of the upper housing. The moving hole 1202 is larger in diameter than the insertion hole 1201 and extends in the longitudinal direction (axial direction). At this time, the position ① and the position ② are present at both ends of the moving hole. The position ① is where the stopper is located when the upper housing is not opened, and the position ② is where the stopper is located when the upper housing is open.

As a result, when the terminal opening and closing operation is performed by inserting a part of the second hinge arm and the hinge shaft, the upper housing stops rotating at a predetermined angle about the rotation axis.

8 is a perspective view showing a state in which the hinge device of the terminal according to an embodiment of the present invention is assembled. 9 is a cross-sectional view showing the configuration of a hinge device according to an embodiment of the present invention. Looking at the assembly state of the hinge device with reference to the drawings in detail as follows. As described above, the hinge device of the present invention is coaxial with the first and second hinge arms 110 and 120 and the first and second hinge knuckles 210 and 220 formed when the upper and lower housings are assembled. Is placed.

First and second hinge knuckles 210 and 220 and first and second hinge arms 110 and 120 are assembled on both sides of the hinge spacer 1, respectively. At this time, the head 21a of the hinge pin of the hinge module is inserted into one side of the hinge spacer 1, and one end of the hinge shaft 3 is inserted into the other end of the hinge spacer 1. Furthermore, a compression coil spring 4 is provided between the hinge shaft 3 and the second hinge arm 120. Thus, the hinge shaft 3 is strongly adhered to the hinge spacer 1 by the elastic force held by the compression coil spring 4 itself. At this time, of the hinge module, the first rotating member 22 is assembled to the first hinge arm 110, the second rotating member 23 is inserted into the first hinge knuckle 210, the head 21a of the hinge pin Is assembled to the insertion groove 11a of the hinge spacer. In addition, one end 31 of the hinge shaft 3 is assembled to the insertion portion 12a of the hinge spacer, one side 33a of the stopper formed on the hinge shaft is located on the second hinge knuckle 220, The other side 33b is located in the movement hole 1202 of the second hinge arm.

Figure 10a is a cross-sectional view showing a state in which the upper housing is closed in the lower housing according to an embodiment of the present invention. 10B is a cross-sectional view illustrating an open state of an upper housing in a lower housing according to an exemplary embodiment of the present invention. The operation of the hinge device will be described in detail with reference to the drawings.

As shown in FIG. 10A, when the upper housing 100 is closed in the lower housing, the stopper 33 of the hinge shaft remains fixed because it is inserted with the second hinge knuckle. At this time, the stopper 33 of the hinge shaft 3 is located at the position ① of the moving hole. The movement hole 1202 is formed by an angle Θ based on the outer circumferential direction, and this angle means an opening angle of the upper housing.

As shown in FIG. 10B, when the upper housing 100 is open, the second hinge arms 120 rotate together at the same angle. At this time, the movement hole 1202 of the upper housing moves along the stopper 33, and as a result, the stopper 33 is present at the position ② of the movement hole by rotating by the angle Θ which is the maximum opening / closing amount.

The angle θ, which is the opening and closing amount of the upper housing 100, is most preferably between about 100 ° and 160 °. In the present invention, the angle Θ is given as an example of 150 °.

As a result, the terminal of the present invention consists of an upper housing and a lower housing, and forms first and second hinge arms and first and second hinge knuckles on the upper and lower housings, and by assembling the hinge device coaxially, Opening and closing of the upper housing is realized.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but 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, the present invention provides a stability and high reliability to the hinge device for mechanically connecting two housings in the portable terminal, and has the advantage of easy assembly and disassembly of the hinge device.

Claims (5)

A portable terminal comprising an upper housing for a mobile phone function, a lower housing for a computer function, and a hinge device for mechanically connecting the upper housing and the lower housing, First and second hinge arms are formed in the upper housing, respectively, and first and second hinge knuckles are formed in the lower housing in the inward direction of the first and second hinge arms, respectively, and along the rotation axis. The hinge means assembled to the first and second hinge arms and the first and second hinge knuckles Cylindrical hinge spacers (a) having insertion grooves and insertion portions respectively disposed at both ends thereof and positioned between the first and second hinge knuckles about the rotation axis; A hinge pin which is provided with a head on one side and is assembled to an insertion groove of the hinge spacer, a rotatable assembly rotatably around the hinge pin, fixed to a first hinge arm, and a center of the hinge pin A hinge module made of a metallic material, comprising a second rotating member rotatably assembled independently of the first rotating member, wherein both ends are inserted between the first hinge arm and one end of the hinge spacer; A hinge shaft (c) having both ends inserted and disposed between the second hinge arm and the other end of the hinge spacer; Stopping means (d) respectively formed on the hinge shaft and the second hinge arm; And And a compression coil spring (e) provided between the second hinge arm and the hinge spacer to provide elastic force such that one end of the hinge shaft is in close contact with the hinge spacer. The method of claim 1, The first and second rotating members may include first and second cylindrical portions to respectively fix the first and second rotating members to the first hinge arm and the first hinge knuckle; And And first and second fixing parts facing the outer circumferential direction of the first and second cylindrical parts, And a circular insertion hole and a fixing hole corresponding to the first and second cylindrical portions and the first and second fixing parts are formed in the first hinge arm and the first hinge knuckle, respectively. The method of claim 1 wherein the stop means A stopper protrudes in the outer circumferential direction while extending in the longitudinal direction to the outer circumferential surface of the hinge shaft, one side of the stopper is fixed to the second hinge knuckle, the other side of the stopper is located in the insertion hole of the second hinge arm, And the upper housing is opened and closed at a predetermined angle so that a moving hole larger than the diameter of the insertion hole is formed so as not to be restrained by the stopper as the upper housing is rotated. The method of claim 1, And at least one disassembly hole is formed at the other end of the hinge spacer to facilitate disassembly of the hinge device. The method of claim 1, And a first and second through-holes are formed at predetermined positions so that the flexible printed circuit can pass through the hinge spacers.