KR200336076Y1 - Hinge module for portable handheld radiotelephone - Google Patents

Abstract

The present invention relates to a hinge module of a foldable portable wireless terminal composed of a main body and a sub body opened to have a predetermined angle on the main body, and having a predetermined receiving portion, on the sub body or the main body of the terminal. A hinge housing that is fixed, a first shaft portion partially protruding out of the hinge housing, and a second shaft portion extending from the first shaft portion and having a predetermined ridge portion formed at an end thereof, so that rotational movement is possible. A hinge shaft to be installed and a recess in which the second shaft portion of the hinge shaft is completely inserted, and a valley portion is formed on the recess to engage the ridge portion of the second shaft portion, but only a reciprocating motion in the longitudinal direction A hinge cam installed between the hinge cam and the hinge cam and the housing to move the hinge cam toward the hinge shaft. The pressing may include a hinge spring to reduce the volume of the entire hinge module, thereby maximizing the miniaturization of the terminal.

Description

Hinge module for portable terminal {HINGE MODULE FOR PORTABLE HANDHELD RADIOTELEPHONE}

The present invention relates to a hinge module of a folding portable wireless terminal which is installed so that a predetermined sub body is opened and closed at a predetermined angle on the main body. In particular, the installation space of the hinge module is reduced by minimizing the space between the hinge cam and the hinge shaft. As a result, the present invention relates to a hinge module of a portable wireless terminal configured to contribute to miniaturization of a terminal.

As portable wireless terminals become more and more popular, terminals of various functions and designs are appearing. In addition, the terminal is becoming smaller and lighter and smaller, and at the same time, the diversity of its functions is being highlighted. Therefore, in order to satisfy the needs of the consumers as described above, there is an emphasis on reducing the volume of the terminal to the maximum while maintaining or improving the function.

On the other hand, while maximizing the variety of functions, the terminal is becoming lighter and shorter and more and more convenient for the user, the terminal manufacturers are racing to solve the inconvenience caused when the user uses the terminal.

Recently, a portable wireless terminal is a folder type consisting of a main body, which is a main body rather than a bar type, and a sub body, which is a folder installed to be opened and closed at a predetermined angle by a predetermined hinge module on the main body. type or flip-up type terminals are becoming mainstream. The reason for using such a folder type terminal is that the sub-body (including the flip cover or folder) connected to the main body protects a number of key buttons formed on the main body to prevent the malfunction of the device and plays the role of a negative reflector during a call. Because it collects the notes. Moreover, in the folder type terminal, the wide LCD module can be separately mounted in the folder portion, which is advantageous in miniaturizing the product and in implementing a variety of functions.

Typically, the folder type terminal is equipped with a hinge module for opening and closing the sub body at a predetermined angle on the main body. The hinge module not only designates a predetermined opening / closing angle of the sub body, but also serves to store the predetermined elastic force when folded so that the folder does not open arbitrarily.

1 is a perspective view of a general portable wireless terminal, the terminal 100 may open the main body 110, which is a main body, the sub-folder 120 and the folder 120 on the main body 110 at a predetermined angle. The hinge module and a rotary hinge module (not shown) are installed to rotate the folder about a direction perpendicular to the axis of rotation in which the hinge module is mounted.

The keypad assembly 130 is composed of a plurality of key buttons is installed on the main body 110, the keypad assembly 130 may be composed of a plurality of numeric key buttons at the bottom, and a predetermined navigation key button at the top. The navigation key button may be used for various functions, such as when the user takes a picture of a subject as an internet search, a digital camera or a camcorder function in addition to a call to the terminal. Under the keypad assembly 130, a microphone device 140 that is a talker capable of transmitting a voice to a counterpart during a call is installed.

The display device 150 is installed in the folder 120. The display device 150 may be a wide LCD module, preferably a touch screen module. In the upper portion of the display device 150, a speakerphone device 160 that is a receiver that can receive the voice of the other party is provided.

Thereafter, a predetermined hinge module (not shown) may be installed on one side of the hinge arm 111 connecting the folder 120 and the main body 110. Therefore, the folder 120 is installed to be opened and closed by rotating about the axis A of FIG. 1. In addition, a rotary hinge module is installed on the hinge arm 111 to rotate the folder 120 about the axis X direction of FIG. 1. The rotary hinge module 10 may be installed in the center of the hinge arm 111 described above.

In addition, a lens assembly 170 for using the terminal 100 as an optical imaging device may be embedded on the hinge arm, and the lens assembly 170 may be rotated in a predetermined direction by a predetermined angle adjusting means. have. Preferably, it can be installed so as to be rotatable at 360 ° to match a unique shooting angle or position for each user when photographing a subject.

As described above, the terminal for rotating in two axes requires a space in which the general hinge module and the rotary hinge module are installed at the same time in the hinge arm.

Figure 2 is an exploded perspective view of the hinge module according to the prior art, the configuration of the hinge module separate from the rotary hinge module in the terminal described above, as shown in Figure 2, the hinge housing 210 is installed on the hinge arm of the terminal ), A hinge shaft 220, a hinge cam 230, and a hinge spring 250 accommodated in the hinge housing 210.

One end of the hinge shaft 220 protrudes through the through hole 211 of the hinge housing so that the hinge shaft 220 rotates together with the target body (main body or sub body). Is formed. In addition, the hinge cam 230 in contact with the hinge shaft 220 is formed with a valley portion 232 that is selectively engaged with the ridge portion 222. The hinge spring 250 is interposed between the hinge housing 210 and the hinge cam 230 to press the hinge cam 230 toward the hinge shaft 220.

However, as described above, when a plurality of hinge modules are mounted on the hinge arm of the terminal in which the installation space is limited, the space is restricted and thus a problem of miniaturization of the terminal occurs. For example, when the hinge shaft and the hinge cam of FIG. 2 are combined, the length L1 of the hinge shaft and the length L2 of the hinge cam increase the overall length of the hinge housing, which causes a limitation in miniaturization of the terminal. There was a problem.

In order to solve the above problems, an object of the present invention is to provide a hinge module of a portable wireless terminal configured to contribute to the miniaturization of the terminal.

Another object of the present invention is to provide a hinge module of a portable wireless terminal configured to realize the miniaturization of the terminal by reducing the volume of the hinge housing by minimizing the space between the hinge shaft and the hinge cam to a minimum.

1 is a perspective view of a general portable wireless terminal;

2 is an exploded perspective view of a hinge module according to the prior art;

3 is an exploded perspective view of the hinge module according to the present invention;

4 is a cross-sectional view showing a combined state of FIG. 3 according to the present invention; And

5 is a cross-sectional view showing an operating state of the hinge module according to the present invention.

<Description of Major Symbols in Drawing>

30: hinge shaft 50: hinge cam

51: recess 60: hinge spring

In order to solve the above object, the present invention is a hinge module of a folding portable wireless terminal composed of a main body and a sub-body which is opened to have a predetermined angle on the main body, having a predetermined receiving portion A hinge housing fixed on the sub-body or main body of the terminal, a first shaft part partially protruding out of the hinge housing, a second extension part extending from the first shaft part, and having a predetermined ridge part formed at an end thereof; Consists of a shaft portion, the hinge shaft is installed so as to enable a rotational movement, and forming a recess in which the second shaft portion of the hinge shaft is completely inserted, the bone portion for the sum of the mountain portion of the second shaft portion on the recess Is formed between the hinge cam and the hinge cam and the housing is installed so as to only reciprocate in the longitudinal direction It characterized in that it comprises a hinge spring for pressing the cam hinge by a hinge shaft direction.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the embodiment of the present invention has been shown and described a folder type (folder type) terminal, for example, a variety of electronic products, notebook PCs, such as a hinge module is applied to open at a predetermined angle on the main body and the main body It will be apparent to those skilled in the art that it is used in a folding device.

In addition, although the prior art has described a terminal rotating about two rotation shafts, it is also applicable to a terminal having a single opening and closing operation.

Figure 3 is an exploded perspective view of the hinge module according to the present invention, Figure 4 is a cross-sectional view showing a combined state of Figure 3 according to the present invention.

The hinge module 10 according to the present invention includes a hinge housing 20, a hinge shaft 30, a hinge cam 50, and a hinge spring 60 that are sequentially received in the hinge housing 20.

The hinge shaft 30 is accommodated in the accommodating portion 21 of the hinge housing 20 so that a part of the hinge shaft 30 protrudes out of the hinge housing 20. The protruding portion 31 is fixed to the folder or body and then rotated together.

In more detail, the hinge shaft 30 may include a first shaft portion 31 in which a part of the hinge shaft 30 protrudes from the through hole 22 formed in one side of the hinge housing 20, and the number of the hinge housings 20. It consists of the 2nd shaft part 32 which rotates at the payment part 21. As shown in FIG. Therefore, the first shaft portion 31 must have a diameter smaller than that of the second shaft portion 32 so that the second shaft portion 32 is not separated from the through hole 22 of the hinge housing 20. The second shaft portion 32 is formed with a predetermined mountain portion 33. A pair of the mountain parts 33 are formed, but a plurality of the mountain parts 33 may be formed according to the opening / closing angle of the sub body.

The hinge cam 50 is formed with a recess 51 having a predetermined depth on which the second shaft portion 32 of the hinge shaft 30 may be seated. On the recess 51 a valley 53 is formed which can be selectively engaged with the ridge 33 of the second shaft 32. At this time, when the ridge 33 of the second shaft portion 32 is completely engaged with the valley portion 53 formed in the recess 51 of the hinge cam 50, the second shaft portion 32 is At least it does not protrude out of the recess 51. In addition, a predetermined guide protrusion 52 protrudes from the outer circumferential surface of the hinge cam 50. The guide protrusion 52 is guided only in the front-rear direction after being seated in the guide slit 23 formed in the longitudinal direction in the hinge housing 20. Therefore, the hinge cam 50 also has a configuration that is guided only in the front and rear directions.

5 is a cross-sectional view showing the operating state of the hinge module according to the present invention, when the hinge shaft 30 is rotated due to the opening operation of the folder, the ridge 33 formed in the hinge shaft 30 is hinged It rides over the valley part 53 formed in the recess 51 of the cam 50. At this time, the hinge cam 50 is installed so as not to rotate together, as a result, the mountain 33 of the hinge shaft 30 pushes the bone 53, the hinge cam 50 is a hinge spring (60) Retreat while receiving the elastic force of). As shown in FIG. 5, when the hinge shaft 30 operates, the second shaft part 32 may protrude from the recess 51 of the hinge cam 50, but the depth of the recess 51 may be increased. The second shaft part 32 may be adjusted so as not to protrude from the recess 51 during operation.

Apparently, there are many ways to modify these embodiments while remaining within the scope of the claims. In other words, there may be many other ways in which the present invention may be practiced without departing from the scope of the following claims.

The hinge module according to the present invention can reduce the volume of the entire hinge module because the second shaft portion of the hinge shaft is inserted into the recess of the hinge cam, thereby maximizing the miniaturization of the terminal.

Claims (3)

In the hinge module of the folding portable wireless terminal composed of a main body and a sub body opened to have a predetermined angle on the main body, A hinge housing having a predetermined accommodating portion and fixed to a sub body or a main body of the terminal; A hinge shaft including a first shaft part partially protruding to the outside of the hinge housing and a second shaft part extending from the first shaft part and having a predetermined mountain shape formed at an end thereof, the hinge shaft being installed to enable a rotational movement; A hinge cam which forms a recess in which the second shaft portion of the hinge shaft is completely inserted, and forms a valley portion for engaging the mountain portion of the second shaft portion on the recess, the hinge cam being installed to reciprocate in the longitudinal direction; And And a hinge spring disposed between the hinge cam and the housing to press the hinge cam in a hinge shaft direction. The method of claim 1, And the second shaft portion of the hinge shaft does not protrude at least from the recess of the hinge cam when the ridge portion of the hinge shaft is completely engaged with the valley portion of the hinge cam. The method of claim 1, The hinge of the portable wireless terminal, characterized in that a predetermined protruding guide protrusion is formed on the outer circumferential surface of the hinge cam, and a guide slit is formed on the hinge housing in such a way that the guide protrusion is inserted in the longitudinal direction and flows only back and forth. module.