KR20080020816A - Sliding hinge module for cellular phone - Google Patents

Abstract

A slide hinge module in a mobile phone is provided to reduce the overall thickness and the number of parts and offer a more stable structure by implementing a slide module which uses a coil spring as a power source. A slide hinge module(100) in a sliding-type mobile phone, where a slide body is opened and closed on a main body, comprises a main plate(10), a slide plate(20), the first rack rod(110), the second rack rod(111), a pinion gear(120), and a coil spring(130). The main plate(10) is installed on the main body. The slide plate(20) is installed on the slide body. The first rack rod(110), of which one end is rotatively fixed to the main plate(10), has racks(110-1) which are formed at regular intervals. The second rack rod(111), of which one end is rotatively fixed to the slide plate(20) and which is opposed to the first rack rod(110), has racks(111-1) are formed at regular intervals. The pinion gear(120) rotates between the first rack rod(110) and the second rack rod(111), engaging with the racks(110-1,111-1). One end of the coil spring(130) respectively are fixed to the pinion gear(120), and the other end is fixed to the main plate(10).

Description

Sliding Hinge Module for Cellular Phones

1 is an explanatory diagram of a slide hinge module for a mobile phone according to the present invention.

2 is an exploded perspective view of a slide hinge module for a mobile phone according to the present invention.

Figure 3 is a plan sectional view showing a coupling state of the slide hinge module for a mobile phone according to the invention.

Figure 4 is a state diagram showing the operation of the slide hinge when the slide body for a mobile phone according to the invention is closed.

5 is a state diagram showing a state in which the slide body for a mobile phone according to the present invention is opened about 1/2 of the main body.

6 is a state diagram illustrating a state in which the slide body for a mobile phone according to the present invention is completely opened on the main body.

7 is a perspective view illustrating a conventional slide hinge module for a mobile phone.

-Explanation of symbols for the main parts of the drawings-

100: slide hinge module for a mobile phone according to the present invention

1: main body 2: slide body

10: main plate 13: fitting member

20: slide plate 21: sliding projection

22: guide hole 30: guide rail

31: rail groove

110, 111: first and second rack rods

110-1, 111-1: Rack 110-2, 111-2: Hinge fixings

120: pinion gear 121: circular gear

122: winding spring fixed portion 130: winding spring

140: upper case 150: lower case

151: wind spring fixing part

152, 153: first and second rack rod seat

154: spring spring and pinion gear seat

The present invention relates to a slide hinge module for a mobile phone, and more particularly, by using the spring spring as a power source, the force is provided to the slide member through the rack rod and the pinion gear, thereby not only sliding semi-automatically and stably but also as a whole. The present invention relates to a slide hinge module for a mobile phone which can reduce the thickness of the slide hinge and the number of parts.

In recent years, as personalization of portable wireless terminals is becoming more common, terminals having various additional functions and designs are being released to meet the needs of users in addition to the basic functions of talking with the other party. The terminals have been developed from a general bar type terminal to a flip type terminal, a flip-up type terminal, a folder type terminal, and the like. Terminals are mainstream. This is because the folder type terminal has enough space to adopt the wide LCD module as the display device, and because it is folded in half and portable, the portability is superior to other terminals.

On the other hand, it is possible to have a display device having a wide LCD module having a size similar to the above-described folder type terminal, and at the same time, a terminal of a type capable of contributing to the miniaturization of the terminal and meeting various needs of a user has emerged. . This is a slide type terminal in which a sub body (hereinafter referred to as a 'slide body') is opened by sliding a predetermined length in a length direction of a terminal on a predetermined main body. It has the advantage of being able to respond to preferences.

The slide type terminal may be configured in a state in which the slide body is slid open to the lower side or the upper side up to about 1/2 of the main body length when viewed based on the main body. Limited to 1/2, but may be more open), generally 3x4 keypad assembly can be installed on the main body, the display device can be installed on the front of the slide body.

7 is a perspective view illustrating a conventional slide hinge module for a mobile phone. As shown in FIG. 7, the conventional slide hinge module is configured to assist the slide of the guide rail member 120 ', the slide member 110', and the slide member 120 'that slide on the guide rail member 120'. First and second torsion springs 130 'and 140'.

Here, holes are respectively formed at positions slightly spaced from each other near the centers of both sides of the rectangular plate 112 ', and the one arm 132a' and the first torsion spring 130 'are formed in the holes. One arm 142a 'of the two torsion springs 140' is rotatably inserted.

The slide hinge module using the first and second torsion springs 130 'and 140' can slidably slide the sliding body.

However, the conventional slide hinge module as described above is very complicated in configuration to perform each function, and the thickness of the entire slide hinge is not only thickened by the use of the first and second torsion springs 130 'and 140'. Due to many kinds of parts, there was a problem that the manufacturing cost is increased.

MEANS TO SOLVE THE PROBLEM This inventor came to complete this invention as a result of having made extensive efforts to solve the conventional problems as described above.

Accordingly, an object of the present invention is to implement a slide module using the mainspring spring as a power source, to provide a slide hinge module for a mobile phone that can provide a more stable structure as well as reducing the thickness and the number of parts of the overall slide hinge. It is.

Another object of the present invention is to provide a slide hinge module for a mobile phone which can be slidably and semi-automatically and securely using a rack rod, a pinion gear and a spring spring.

A slide hinge module for a mobile phone for achieving the above objects of the present invention, in the slide type mobile phone is provided with a slide body to be opened and closed by a predetermined length in the longitudinal direction of the mobile phone on the main body, the main plate is installed on the main body And a first rack rod on which the slide plate is installed on the slide body, one end of which is fixed to the main plate to be rotatable and a predetermined section rack is formed, and one end of which is fixed to the slide plate and to which the predetermined section rack is rotatable. A second rack rod which is formed and opposes in the longitudinal direction with the first rack rod, a pinion gear that rotates in engagement with each rack between the opposing first and second rack rods, and one end is fixed to the pinion gear; The other end is made of a spring that is fixed to the main plate It features.

Here, the first and second rack rods are hinged at one end thereof, respectively, and are preferably fixed to the main plate and the slide plate to be rotatable using rivets, bearings, or pins, respectively.

In addition, it is preferable that the hinge fixing portions of the first and second rack gears face each other in a diagonal form.

In addition, when the slide body is opened in the closed state, the pinion gear is moved in the counterclockwise direction by the mutual movement of the first and second rack rods so that the spring spring is hinged to each of the first and second rack rods. The winding is continued to approximately 1/2 opening point where the diagonal of the fixing part is minimized, and after the 1/2 opening point, the spring spring is completely unwound and the pinion gear is automatically turned clockwise. Preferably, the hinge fixing portions of the first and second rack gears are operated away from each other so that the slide body is fully opened automatically.

In addition, the first and second rack rod, pinion gear and spring spring is preferably installed in the case that provides a space for seating.

In addition, at least any one of an engaging perturbation portion between each rack of the first and second rack rods and the pinion gear, a friction portion of the pinion gear and the case, and a friction portion of the first and second rack rods and the case. Preferably, damping grease is applied to one.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

1 is an explanatory view of a slide hinge module for a mobile phone according to the present invention, Figure 2 is an exploded perspective view of a slide hinge module for a mobile phone according to the present invention, Figure 3 is a coupling state of the slide hinge module for a mobile phone according to the present invention As a cross sectional view shown, it demonstrates together for convenience of description.

First, the slide hinge module for a mobile phone according to the present invention is a hinge part for sliding opening and closing in a folder type color phone, PDA, mobile communication terminal, mobile phone, PCS phone, etc. All the above devices in the present invention unify the mobile phone It will be mentioned.

As shown, the slide hinge module 100 for a mobile phone according to the present invention, in the slide-type mobile phone is provided with a slide body 2 is installed on the main body 1 in the longitudinal direction of the mobile phone to open and close by a predetermined length, the main The main plate 10 installed on the body 1, the slide plate 20 provided on the slide body 2, and one end thereof are fixed to the main plate 10 so as to be rotatable, and the predetermined section rack 110- 1) the first rack rod 110 is formed, the second end is fixed to the slide plate 20, the predetermined section rack (111-1) is formed and the second opposite to the first rack rod 110 Pinion gear 120 that rotates in engagement with the racks 110-1 and 111-1 between the rack rods 112 and the mutually opposing first and second rack rods 110 and 111. And an elastic number at which one end is fixed to the pinion gear 120 and the other end is fixed to the main plate 10. It consists of the mainspring spring 130 as a stage. Here, the main body 1 and the slide body 2 generally refer to the main body portion and the folder portion (cover portion) of the mobile phone, respectively. In addition, the material of the main plate 10 may be aluminum, synthetic resin material, stainless steel, zinc alloy, etc., the material is not limited in the present invention.

In addition, the slide plate 20 installed on the slide body 2 and the main plate 10 installed on the main body 1 are guide rails 30 and sliding protrusions 21 to the outside thereof. Is installed to be inserted into the rail groove 31 of the guide rail (30). Here, the guide rail 30 is preferably integrally injection molded to the fitting member 13 at both ends of the main plate 10, but may be inserted into the fitting member 13 without injection molding. The guide rail 30 may be made of a lubricating material such as aluminum, copper, tin, acetal, teflon, plastic, or the like, thereby preventing sliding friction between the slide plate 20 and the main plate 10 during operation of the slide hinge module. By minimizing the improvement of the operability of the slide module.

The first rack rod 110 has a substantially rod-shaped rack (rack) (110-1) of the sawtooth rod shape in the longitudinal direction inward, the hinge fixing portion (110-2) is formed at one end It is fixed to the main plate 10 by using a known rivet, bearing (bearing) or pin (pin).

In addition, the second rack rod 111 is also a substantially rod-shaped, the other rack (111-1) in the form of a sawtooth rod in the longitudinal direction on the inside is formed, the hinge fixing portion 111- 2) is formed so as to be rotatable to the slide plate 20 using a rivet, a bearing or a pin. Here, the racks 110-1 and 111-1 of the first and second rack gears 110 and 111 are opposed to each other in the longitudinal direction, and each hinge fixing part 110-2 ( 111-2) face each other diagonally.

In addition, the pinion gear 120 is substantially ring-shaped, the outer circumference of the toothed circular gear 121 is formed between the first and second rack rods 110, 111 facing each other in the longitudinal direction In each rack (110-1, 111-1) is to be rotated to engage. Here, a well-known sticky damping is known in the engaging perturbation portion between each of the racks 110-1 and 111-1 of the first and second rack rods 110 and 111 and the circular gear 121 of the pinion gear. By applying grease, not only the sliding speed can be controlled by adjusting the energy release of the spring spring 130, but also the smooth semi-automatic slide can be realized.

The spring spring 130 is to provide a power source of the mobile phone slide hinge module 100 according to the present invention to the elastic force of the spring pinion gear 120, the first and second rack rods 110, 111 It is provided to the slide plate 20 via the semi-automatic sliding movement with respect to the main plate 10 is possible.

That is, one end of the mainspring spring 130 is fixed to the mainspring spring fixing part 122 of the ring-shaped pinion gear 120 and the other end of the mainspring 10, that is, the mainspring formed in the inner center of the lower case 150 to be described later It is fixed to the spring fixing part 151. Therefore, the spring spring 130 is wound and unwinded according to the rotation of the pinion gear 120 due to the up / down of the slide body 2. For example, when the pinion gear 120 moves counterclockwise by the movement of the first and second rack rods 110 and 111, the spring spring 130 is wound, and the first and second rack rods are wound. The axial distances of (110) and (111), i.e. each hinge fixing part (110-2) and (111-2), continue to be wound until the diagonal distance becomes minimum (the slide body is approximately 1/2 of the main body). To the degree of openness). The axial distance of the first and second rack rods 110, 111 is the minimum and the axial distance of the first and second rack rods 110, 111 beyond the curvature point (about 1/2 open state) When spring starts to move away again, the spring winding 130 is released, the pinion gear 120 is automatically rotated clockwise (state after 1/2 opening). However, the initial stages of the circular gears 120 of the pinion gears and the racks 110-1 and 111-1 of the first and second rack rods 110 and 111 according to the up / down of the slide body 2 are different. The engagement position and the initial diagonal distance interval between the hinge fixing parts 110-2 and 111-2 of the first and second rack rods 110 and 111 can be adjusted arbitrarily. If the slide hinge module 100 is capable of sliding movement by semi-automatic, it is not limited to them.

The interrelationship between the pinion gear 120, the spring spring 130, and the first and second rack rods 110 and 111 will be described in more detail in the following description of FIGS. 4 to 6.

Meanwhile, a slide up / down for a slide hinge module for a mobile phone according to the present invention is provided by providing a space in which the first and second rack rods 110 and 111, the pinion gear 120, and the spring spring 130 can be seated. The holding means can stably move in a certain space. That is, the lower case 150 is fixed to the other end 132 of the mainspring spring 130 in the center of the mainspring spring fixing portion 151 for intermittent rotational movement is formed in the shaft (그), the circumference The furnace is formed with a spring spring 130 and a spring spring and pinion gear seating portion 154 in which the ring-shaped pinion gear 120 to which one end 131 of the spring spring 130 is fixed is radially seated. First and second rack rods 110 and 111 seating parts 152 and 153 are formed at opposite sides of the spring and pinion gear seating part 154. Of course, the racks 110-1 and 111-1 of the first and second rack rods 110 and 111 are formed at positions that can engage the circular gear 121 of the pinion gear 120. In addition, the upper case 140 is installed at the upper portion of the lower case 150 to cover the seated first and second rack rods 110 and 111, the pinion gear 120, and the spring spring 130. . Here, the hinge fixing parts 110-2 of the first and second rack rods 110 and 111 are exposed through the upper case 140 to rivet the main plate 10 and the slide plate 20, bearings. Or it is fixed to be rotatable using a pin or the like.

Here, as described above, the damping grease is engaged between the respective racks 110-1 and 111-1 of the first and second rack rods 110 and 111 and the circular gear 120 of the pinion gear. Not only the perturbation portion but also the friction portion of the pinion gear 120 and the upper and lower cases 140 and 150 or the friction between the first and second rack rods 110 and 111 and the upper and lower cases 140 and 150. By controlling the energy release of all the parts to be engaged by applying to the site, not only the sliding speed can be controlled but also the smooth semi-automatic slide can be realized.

In addition, the present invention has been described as an example that is applied to the slide hinge module for a mobile phone, for example, can be applied equally to all the sliding hinge structure of the sliding type, such as furniture drawers, of course.

Figure 4 is a state diagram showing the operation of the slide hinge when the slide body for a mobile phone according to the invention is closed.

As shown in FIG. 4, in the closed state, the first and second rack gears 110 and 111 are arranged to face each other at substantially right angles with respect to the longitudinal direction of the mobile phone, and the hinge fixing portions having the mutually diagonal forms ( 110-2 and 111-2 are fixed as mentioned above so that they may be rotatable to the main plate 10 and the slide plate 20, respectively. In addition, one end 131 is fixed to the mainspring spring fixing part 122 of the pinion gear 120 and the other end 132 to the mainspring spring fixing part 151 of the lower case 150 fixed to the may plate 10. The fixed mainspring is placed in the fully released state.

5 is a state diagram showing a state in which the slide body for a mobile phone according to the present invention is opened about 1/2 of the main body.

That is, when the user opens (slids up) the slide body 2, the hinge fixing parts 110-2 and 111-2 of the diagonal forms by the pressing force of the user are respectively the main plate 10 and the slide. By being coupled to the plate 20 so as to be rotatable, the diagonal lengths of the hinge fixing parts 110-2 and 111-2 of the first and second rack gears 110 and 111 are shortened and engaged with each other. The pinion gear 120 is moved in the counterclockwise direction (see arrow direction in the engagement engagement state of FIG. 4). At this time, while the pinion gear 120 is moved in the counterclockwise direction, the spring spring 130 is wound to store energy.

Subsequently, as shown in FIG. 5, the hinge fixing portions of the first and second rack gears 110 and 111 in the state where the slide body is opened about 1/2 of the main body (the state of the intermediate bending point). Diagonal length of the (110-2) (111-2) is to be minimum, the main spring (130) is completely wound so that the maximum energy is stored.

6 is a state diagram illustrating a state in which the slide body for a mobile phone according to the present invention is completely opened on the main body.

That is, when the user pushes the slide body 2 of the mobile phone in about 1/2 or more in the opening direction, the main spring 130 is about to be unwound in a completely wound state and the pinion gear 120 automatically turns clockwise. (See arrow direction in the engagement coupling state diagram of FIG. 5). Then, the hinge fixing parts 110-2 of the first and second rack rods 110 and 111 are rotatable structures with respect to the main plate 10 and the slide plate 20, respectively. The hinge fixing parts 110-2 and 111-2 of the gears 110 and 111 are operated far from each other so that their diagonal lengths are maximized. That is, when the user pushes the slide body 2 of the mobile phone in the opening direction about 1/2 or more, the slide body 2 is automatically opened completely. Of course, when fully opened, the first and second rack gears 110 and 111, as in the closed state, do not face each other in a substantially right angle with respect to the longitudinal direction of the mobile phone, but are inclined considerably in the longitudinal direction of the mobile phone. They are facing each other.

Subsequently, in closing the fully open slide body 2, the first and second rack rods 110 and 111, the pinion gear 120 and the spring spring 130 are used in the reverse order of the above-described opening operation. Can also be closed semi-automatically.

According to the slide hinge module for a mobile phone of the present invention configured as described above, by implementing a slide module using a spring spring as a power source, not only can reduce the thickness and the number of parts of the overall slide hinge, but also provide a more stable structure. It has an effect.

In addition, by using the rack rod, the pinion gear and the spring spring as a power transmission mechanism, there is an effect that can be more stable sliding semi-automatically.

Although the present invention has been described in detail with reference to preferred embodiments according to the present invention, this is only for illustrating the present invention and is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention. It should be noted that this is possible as well as this is also within the scope of the present invention.

Claims (9)

In the slide type mobile phone is provided with a slide body to be opened and closed by a predetermined length in the longitudinal direction of the mobile phone on the main body, A main plate installed on the main body; A slide plate installed on the slide body; A first rack rod having one end fixed to the main plate and formed with a predetermined section rack; A second rack rod having one end fixed to the slide plate and formed with a predetermined section rack and opposed to the first rack rod in a longitudinal direction; A pinion gear that rotates in engagement with each rack between opposite first and second rack rods, Slide hinge module for a mobile phone, characterized in that the one end is fixed to the pinion gear and the other end is a spring spring is fixed to the main plate. The method of claim 1, The first and second rack rods each have a hinge fixing portion formed at one end thereof so as to be rotatably fixed to the main plate and the slide plate using rivets, bearings or pins, respectively. module. The method of claim 2, Slide hinge module for a mobile phone, characterized in that the hinge fixing portions of the first and second rack gears face each other in a diagonal form. The method of claim 3, wherein When the slide body is opened in the closed state, the pinion gear is moved in the counterclockwise direction by the mutual movement of the first and second rack rods so that the spring spring is fixed to each hinge of the first and second rack rods. It continues to wind up to approximately 1/2 opening point, the diagonal distance of which is minimized, and after the 1/2 opening point, the spring spring is released in a fully wound state so that the pinion gear automatically turns clockwise so that the first And hinge fixing portions of the second rack gear are moved away from each other so that the slide body is completely opened. The method according to any one of claims 1 to 4, Slide hinge module for a mobile phone, characterized in that installed in the case providing a space for seating the first and second rack rod, pinion gear and spring spring. The method of claim 5, At least one of an engaging perturbation portion between each rack of the first and second rack rods and the pinion gear, a friction portion of the pinion gear and the case, and a friction portion of the first and second rack rods and the case; Slide hinge module for mobile phones, characterized in that the damping grease is applied. The method of claim 1, A guide rail formed of a lubricious material having a rail groove formed therein in the longitudinal direction at both ends of the main plate, and a sliding protrusion formed in the longitudinal direction at both ends of the slide plate and inserted into the guide rail groove to move up and down Slide hinge module for mobile phones, characterized in that further formed. The method of claim 7, wherein The guide rail is a slide hinge module for a mobile phone, characterized in that formed integrally injection molded or inserted into both ends of the main plate. The method of claim 7, wherein The guide rail material is a slide hinge module for a mobile phone, characterized in that the lubricity material, such as aluminum, copper, tin, acetal, Teflon, plastic.

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