KR100612926B1 - Opening and closing mechanism for cellular terminal - Google Patents

Abstract

Disclosed is a switching device for a communication terminal. The disclosed switchgear includes a first holder part fixed to the first body, a fixing part detachably coupled to the first holder part, a second holder part fixed to the second body, and a second holder part. And a rotation part rotatably coupled to the fixed part. The switchgear has a simple structure of the switchgear as the switchgear is fixed to each of the holders formed in the first body and the second body, thereby improving productivity by reducing components of the switchgear and a manufacturing process. .

Terminal, Switchgear, Cam

Description

Switching device for communication terminal {OPENING AND CLOSING MECHANISM FOR CELLULAR TERMINAL}

1 is a perspective view showing an installation state of a conventional communication terminal opening and closing device,

2 is an exploded perspective view of a communication terminal which is an embodiment of the present invention;

Figure 3 is an exploded perspective view of the opening and closing device in Figure 2,

4 is a side view of a state in which the second body is opened after the communication terminal shown in FIG. 2 is coupled;

5 is a front view of the communication terminal shown in FIG. 4;

6 is a cross-sectional view taken along the line A-A of the communication terminal shown in FIG.

<Explanation of symbols for main parts of drawing>

100: first body 110: keypad

120: first holder portion 122: first coupling hole

150: second body 160: LCD screen

170: second holder portion 172: second coupling hole

200: switchgear 210: fixed part

220: rotating part 222: narrow part

224: passage 226: second protrusion

228: second part 230: first cam

232: first waveform surface 240: second cam

242: second wavefront 250: compression spring

260: central axis 262: annular groove

264: third screw 266: washer

268: snap ring 270: first reinforcing plate

272: first screw 280: second reinforcing plate

282: second screw

The present invention relates to a switchgear for opening and closing the folder portion from the main body portion, to simplify the structure to improve the productivity by reducing the component parts and manufacturing process.

1 shows an example of an opening and closing device for a communication terminal.

The housing 412 is fixed to the folder 410, and a clutch member for applying a braking force to the folder 410 is inserted into the housing 412 in a state where the folder 410 is closed and opened at a predetermined angle. In the housing 412, the insertion hole 414 into which the clutch member is inserted and fixed is opened in one direction, and the rotation shaft 416 protrudes in the other direction.

The clutch member has a casing 300 inserted into and fixed to the insertion hole 414, a rotation cam 320 rotatably inserted into the casing 300, and a casing 300 in elastic contact with the rotation cam 320. ) Is composed of a fixed cam 330 that is rotatably inserted into the spring, and a spring 340 for holding the fixed cam 330 toward the rotating cam 320.

On the other hand, the main body 400 is formed with a first support 402 for fixing the rotary cam 320, and a second support 406 for rotatably supporting one side of the housing 412.

The first support 402 is formed with a fixing hole 404 to which the coupling shaft 322 is fixedly coupled, and the second support 406 has a rotating hole 408 to which the rotation shaft 416 is rotatably coupled. do.

The folder 410 of the communication terminal having such an opening and closing device rotates hinged from the main body 400 with the housing 412 coupled to the folder 410 as an axis, and includes a first support part 402 and a second support part ( 406 axially supports the housing 412 and the clutch member coupled to the housing 412. In addition, the clutch member applies a predetermined braking force to the housing 412 in a state where the folder 410 is closed at the main body 400 and opened at a call angle, thereby preventing unnecessary flow of the folder 410.

However, such an opening and closing device has a structure in which the housing 412 and the clutch member coupled to the folder 410 are separately separated and manufactured, and then coupled to each other, and the first body is attached to the main body 400 to support the housing 412. A support 402 and a second support 406 are formed.

Therefore, the conventional switchgear has a problem in that the structure is complicated and the number of parts and the manufacturing process are increased and the raw line is lowered.

 The present invention has been made to solve the above problems, an object of the present invention is to improve the productivity by reducing the components and manufacturing process by simplifying the structure of the opening and closing device for opening and closing the folder portion from the main body portion.

The present invention for achieving the above object, the first holder is fixed to the first body; A fixing part detachably coupled to the first holder part; A second holder part fixed to the second body; And it is detachably coupled to the second holder, and provides an opening and closing device for a communication terminal comprising a rotating portion rotatably coupled to the fixed portion.

The first holder part is formed with a first coupling hole into which the fixing part is inserted, and a first recess and a first protrusion are formed in the first coupling hole toward the fixing part, and the first protrusion is formed in the fixing part. And a second recessed portion and a second protrusion coupled to the first recessed portion. And a first fastening means for fixing the fixing part to the first holder part.

The first fastening means includes a first reinforcing plate; And a first screw passing through the first reinforcing plate to fasten the first holder part and the fixing part.

The second holder part is formed with a second coupling hole into which the rotating part is inserted, and a third recessed part and a third protrusion part are formed in the second coupling hole toward the rotating part, and the third protrusion part and the A fourth recessed portion and a fourth protrusion coupled to the third recessed portion are formed. And a second fastening means for fixing the rotating part to the second holder part.

The second fastening means includes a second reinforcing plate; And a second screw passing through the second reinforcing plate to fasten the second holder part and the rotating part.

The fixing part and the rotating part are provided with a passage through which a signal line connected from the first body to the second body passes.

The narrow portion of the narrow width of the outer circumference is formed in the connecting portion of the fixed portion and the rotating portion so as to wind the signal line.

The opening and closing device for the communication terminal further includes a clutch means provided between the fixing part and the rotating part to generate a predetermined stopping force in a state in which the rotating part is not rotated and rotated by a predetermined angle.

The clutch means may include: a first cam fixed to the fixing part and having a first waveform surface formed of a hill portion and a valley portion; A second cam that is not rotatable to the rotating part and that is rotatably coupled to the first cam, the second cam having a second waveform surface corresponding to the first waveform surface; And an elastic member for elastically contacting the first cam and the second cam.

The clutch means further comprises a central axis coupled to penetrate through the center of the first cam and the second cam to become a rotational center of rotation of the first cam and the second cam relative.

The central axis is connected to the fixing part and the rotating part and becomes a rotation center.

The central shaft has one end fixed to one side of the fixing part and the rotating part by a third screw, and the other end is rotatably passed through the other side of the fixing part and the rotating part, and then fastened to the third fastening means to be separated. Is prevented.

Hereinafter, a preferred embodiment according to the present invention will be described.

Figure 2 is an exploded perspective view of a communication terminal according to an embodiment of the present invention, Figure 3 is an exploded perspective view of the switchgear in FIG. 4 is a side view of the second body opened after the communication terminal shown in FIG. 2 is coupled, FIG. 5 is a front view of the communication terminal shown in FIG. 4, and FIG. 6 is a communication terminal shown in FIG. 5. AA line cross-sectional view.

The main body is built in the first body 100 of the communication terminal shown in this figure, and the keypad 110 made of various buttons for controlling the main board is mounted on the surface of the first body 100. The second body 150 is hinged and opened and closed from the first body 100, and the liquid crystal display 160 is mounted on a surface contacting the keypad 110.

The opening and closing device 200 for opening and closing the second body 150 from the first body 100 of the communication terminal, the first holder unit 120 is fixed to the first body (100); A fixing part 210 detachably coupled to the first holder part 120; A second holder part 170 fixed to the second body 150; And a rotating unit 220 detachably coupled to the second holder unit 170 and rotatably coupled to the fixing unit 210.

The first holder portion 120 is formed with a first coupling hole 122 into which the fixing portion 210 is inserted, and the first recessed portion (not shown) toward the fixing portion 210 inside the first coupling hole 122. And a second protrusion (228)) and a first protrusion (not shown, see 'second protrusion 226') are formed, the fixing portion 210 is coupled to the first protrusion and the first recess The two recesses 228 and the second protrusions 226 are formed. A first fastening means for fixing the fixing part 210 to the first holder part 120 is provided. The first protrusions, the first recesses, the second recesses 228, and the second protrusions 226 may prevent the fixing part 210 from rotating in the first coupling hole 122.

The first fastening means includes a first screw 272 passing through the first reinforcing plate 270 and the first reinforcing plate 270 to fasten the first holder part 120 and the fixing part 210.

Meanwhile, a second coupling hole 172 into which the rotating part 220 is inserted is formed in the second holder part 170, and a third recessed part (not shown) is directed toward the rotating part 220 in the second coupling hole 172. And the second protrusion 226 and the third protrusion (not shown, refer to the second recess 228) are formed, and the rotating part 220 is coupled to the third protrusion and the third recess. A recess (not shown, see 'second recess 228') and a fourth protrusion (not shown, 'second protrusion 226') are formed. A second fastening means for fixing the rotating part 220 to the second holder part 170 is provided. The third protrusion, the third recess, and the fourth recess and the fourth protrusion are for preventing the rotation part 220 from rotating in the second coupling hole 172.

The second fastening means includes a second screw 282 passing through the second reinforcing plate 280 and the second reinforcing plate 280 to fasten the second holder part 170 and the rotating part 220.

The fixing part 210 and the rotating part 220 are formed with a passage 224 through which a signal line connected from the first body 100 to the second body 150 passes.

The connecting portion of the fixing part 210 and the rotating part 220 forms a narrow width part 222 having a narrow outer circumference to wind the signal line. Therefore, the signal line connected from the first body 100 to the second body 150 is wound around the narrow portion 222 of the rotating part 220 after passing through the fixing part 210 and the passage 224 of the rotating part 220. Are routed past the folder. By loosely winding the signal line to the narrow portion 222, the signal line is not damaged even when the first body 100 is rotated by a predetermined angle.

In addition, the opening and closing device 200 has a clutch means which is installed between the fixing part 210 and the rotating part 220 to generate a predetermined stopping force in a state in which the rotating part 220 is not rotated and rotated by a predetermined angle. .

The clutch means is fixed to the fixed portion 210, the first cam 230 having a first wavefront surface 232 consisting of a mountain portion and the bone portion; It is impossible to rotate the rotating part 220, and the second cam 240 having a second waveform surface 242 corresponding to the first waveform surface 232 is coupled to be movable to the first cam 230 side. ); And an elastic member for elastically contacting the first cam 230 and the second cam 240 with each other. The number of each bone and ridge is matched to the number of phases for which the braking force is to be generated.

In addition, the clutch means is coupled to penetrate through the center of the first cam 230 and the second cam 240, the central axis 260 which becomes the rotation center when the first cam 230 and the second cam 240 is relatively rotated. Has

The central axis 260 is connected to the fixing unit 210 and the rotating unit 220 is a rotation center.

In addition, the central shaft 260, one end is fixed to the fixing portion 210 by the third screw 264, the other end is rotatably penetrating the rotating portion 220, and then fastened to the third fastening means to prevent the separation do. The third fastening means includes a washer 266 and a snap ring 268 coupled to the annular groove 262 formed in the central shaft 260.

Hereinafter, the operation of the present embodiment having the configuration as described above.

The state in which the opening and closing device 200 is mounted on the communication terminal is fixed by the first fastening means after the fixing part 210 is inserted into the first coupling hole 122 of the first holder part 120 and the rotating part ( 220 is inserted into the second coupling hole 172 of the second holder portion 170 and then fixed by the second fastening means. And the central axis 260 is inserted into the inside of the fixing portion 210 and the rotating portion 220 is a rotation center, and prevents the rotating portion 220 from being separated from the fixing portion 210. Therefore, the second body 150 supported by the rotating unit 220 is rotatably connected from the first body 100.

In this state, when the second body 150 is lifted and rotated, the second holder part 170 fixed to the second body 150 rotates and rotates the rotating part 220 together. In this case, since the central axis 260 is fixed to the fixing part 210 by the third screw 264, the rotating part 220 rotates using the central axis 260 as the rotation center.

On the other hand, before the second body 150 rotates the valleys forming the first waveform surface 232 of the first cam 230 and the valley forming the second waveform surface 242 of the second cam 240 It is coupled to the mold part and the ridge part, and receives the elastic force of the compression spring 250 to generate a predetermined braking force.

When the second body 150 starts to rotate, the hill portion and the valley portion forming the first waveform surface 232 of the first cam 230 form the second waveform surface 242 of the second cam 240. Beginning to break away from the valleys and ridges, compression spring 250 is compressed.

Subsequently, when the second body 150 is completely opened, the ridge and the valley forming the first waveform surface 232 of the first cam 230 form the second waveform surface 242 of the second cam 240 again. It is coupled to the bone and the ridge to generate a predetermined braking force.

As described above, the present invention provides a first holder part fixed to a first body, a fixing part detachably coupled to a first holder part, a second holder part fixed to a second body, and a second holder. An open / close device for a communication terminal having a rotating part detachably coupled to a part and rotatably coupled to a fixed part, wherein the structure of the open / close device is fixed by fixing the open / close device to each one holder part formed on the first body and the second body. It is simplified, there is an effect that can improve the productivity by reducing the components and manufacturing process of the switchgear.

In the above, the present invention has been described as an embodiment, but the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described claims, and has a general knowledge in the field of the present invention without departing from the gist of the present invention. Anyone who grows up will be able to make various variations.

Claims (12)

In the switchgear for foldably coupling the second body of the communication terminal from the first body, A first holder portion is formed, a first recess portion and a first protrusion portion are formed in the first coupling hole, and the first holder portion is fixed to the first body; A second recess and a second protrusion coupled to the first protrusion and the first recess, and a fixing part detachably coupled to the first holder; A second coupling hole is formed, and a third recess and a third protrusion are formed in the second coupling hole, and the second holder portion is fixed to the second body; A fourth recessed portion and a fourth protrusion coupled to the third protrusion and the third recessed portion are formed, the rotating portion detachably coupled to the second holder portion, and rotatably coupled to the fixed portion; First fastening means for fixing the fixing part to the first holder part; And And a second fastening means for fixing the rotating part to the second holder part, The first fastening means, First reinforcing plate; And A first screw passing through the first reinforcing plate to fasten the first holder part and the fixing part; The second fastening means, Second reinforcing plate; And Opening and closing device for a communication terminal made of a second screw passing through the second reinforcing plate to fasten the second holder portion and the rotating part. delete delete delete delete The opening and closing device for a communication terminal of claim 1, wherein a passage through which a signal line connected to the second body is formed in the fixing part and the rotating part. The opening and closing device for a communication terminal of claim 6, wherein a narrow width portion of a narrow outer circumference is formed at a connection portion of the fixing portion and the rotating portion so as to wind the signal line. The method of claim 1, wherein the communication terminal for switching device And a clutch means installed between the fixing part and the rotating part to generate a predetermined stopping force in a state in which the rotating part is not rotated and rotated by a predetermined angle. The method of claim 8, wherein the clutch means, A first cam fixed to the fixed part, the first cam having a first waveform surface consisting of a hill and a valley; A second cam that is not rotatable to the rotating part and that is rotatably coupled to the first cam, the second cam having a second waveform surface corresponding to the first waveform surface; And Switching device for a communication terminal, characterized in that it comprises an elastic member for elastically close contact with the first cam and the second cam. The method of claim 9, wherein the clutch means, And a central axis coupled to penetrate through the centers of the first cam and the second cam to become a center of rotation when the first cam and the second cam rotate relative to each other. The method according to claim 10, wherein the central axis, Opening and closing device for a communication terminal, characterized in that the center of rotation and connecting the fixed portion and the rotating portion. The method according to claim 11, wherein the central axis, One end is fixed to one side of the fixing part and the rotating part by the third screw, and the other end is rotatably penetrating the other side of the fixing part and the rotating part and then fastened to the third fastening means to prevent the separation. Switching device for communication terminal.

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