KR100609470B1 - Sliding hinge device - Google Patents

Abstract

A slide hinge device is disclosed. The slide hinge device guides the slide movement of the slide hinge portion and the slide hinge portion, and has a rail hinge portion that is formed in a C-shape and includes side guide portions that partially receive the side surfaces of the slide hinge portion. The side guide part may limit the separation of the slide hinge part, and the side guide part may be integrally formed with the rail hinge part to form the slide hinge device as one independent module.

Slide Hinge, Rail Hinge, Slide Hinge, Side Guides

Description

SLIDE HINGE DEVICE {SLIDING HINGE DEVICE}

1 is a perspective view for explaining a conventional sliding device.

2 is a perspective view for explaining a personal portable terminal equipped with a slide hinge device according to an embodiment of the present invention.

3 is a perspective view of the inside of the personal portable terminal for explaining the slide hinge device of FIG.

4 is an exploded perspective view for explaining the coupling of the rail hinge portion and the slide hinge portion.

Figure 5 is a side cross-sectional view of the rail plate is coupled to the first and second fixtures.

6 is an exploded perspective view for explaining a slide hinge device according to an embodiment of the present invention.

FIG. 7 is a cross-sectional view for describing the slide hinge device of FIG. 6.

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

100: personal portable terminal 110: the first terminal body

120: second terminal body 200: slide hinge device

210: Rail hinge part 212: First fixation stand

214: 2nd holder 216: Guide bar

219: Rail plate 220: Slide hinge part

The present invention relates to a slide hinge device for use in a slide type personal portable terminal.

Mobile phones may be generally classified into a flip type, a folder type, and a sliding type according to their appearance or operation.

Among them, the sliding type mobile phone is arranged to overlap two sliding bodies, and the display unit and the key input unit are disposed in the same direction on each of the sliding bodies. In general, the sliding type mobile phone may expose the display unit or the key input unit that is covered by the rear side by relatively moving the sliding body of the front. For example, there is a slide-type mobile phone that can push up the front sliding body to expose a key input unit formed on the front of the sliding body in the rear. In addition, as another example, there is a mobile phone that can expose the display formed on the front of the sliding body of the rear by moving the sliding body of the front in which the key input unit is formed.

The slide-type mobile phone includes a sliding body overlapping up and down, and a sliding hinge device that connects both bodies is interposed between the sliding bodies to interconnect the sliding bodies, and may assist sliding of each other. All. Hinge devices of various structures have been disclosed in relation to the slide hinge device, but some of them use guide bars or shafts, and the sliding body can slide stably using the guide bars.

1 is a perspective view for explaining a conventional sliding device. For reference, the slide hinge device of Figure 1 is disclosed in Korean Patent Publication No. 10-453644.

Referring to FIG. 1, the conventional sliding device 100 includes a guide rail member 110, a slide member 120 sliding on the guide rail member 110, and first and second aids of sliding of the slide member 120. Torsion springs (130, 140).

The guide rail member 110 is formed around the rectangular plate member 112, and the first and second guide bars 150a and 150b are mounted along both parallel sides of the rectangular plate member 112. The first and second guide bars 150a and 150b are spaced apart from both sides of the rectangular plate 112 by a predetermined interval, and both ends thereof are fixed to the upper and lower finishing bands 114 and 116 of the rectangular plate 112.

In addition, the upper and lower ends of the first and second guide bars 150a and 150b are fixed to the upper and lower finishing bands 114 and 116 while the buffer rubbers 152a to 152b 'are fitted. The upper and lower cushioning rubbers 152a to 152b 'have a cap-like shape to cover the ends of the first and second guide bars 150a and 150b, and the slide member 120 moves up and down in the guide rail member 110. The first and second guide bars 150a and 150b mounted on the guide rail member 110 may be parallel to each other when the slide member 120 is prevented from directly colliding with each other.

Holes are formed in each of the rectangular plates 112 slightly adjacent to each other near the edges of the rectangular plate 112, and holes are formed in each of the arms 132a and the second torsion springs of the first torsion spring 130. One arm 142a of 140 is pivotally inserted.

First and second guide jaws 118a and 118b are formed on both side surfaces of the rectangular plate 112 facing the first and second guide bars 150a and 150b. Specifically, the first guide jaw 118a facing the first guide bar 150a and the second guide jaw 118b facing the second guide bar 150b are parallel from both sides of the rectangular plate 112. It extends in a straight line and protrudes into a straight protrusion.

The slide member 120 may slide in a linear direction on the guide rail member 110. To this end, the slide member 120 includes first and second sliding coupling hands 124a and 124b formed at both edges of the rectangular substrate portion 122. First and second slide coupling hands 124a and 124b are formed with first and second guide grooves 126a and 126b through which the first and second guide bars 150a and 150b penetrate and slide. . A pair of bearings 127a to 127b 'is inserted into the first and second guide grooves 126a and 126b to eliminate contact friction during sliding with the first and second guide bars 150a and 150b, respectively. The guide rail member 110 and the slide member 120 may mitigate an impact and reduce noise by using a corresponding bearing and a cushioning rubber without directly contacting the guide rail member 110 and the slide member 120.

The first and second sliding coupling hands 124a and 124b are also provided with first and second rails 128a and 128b protruding inwardly facing the first rail 128a and the second rail ( 128b is slidably engaged with the first guide jaw 118a and the second guide jaw 118b of the guide rail member 110, respectively. At this time, the first and second rails (128a, 128b) and the first and second guide jaws (118a, 118b) that engages there is a little play and do not touch each other when sliding. During the slide, the first and second guide bars 150a and 150b and the first and second guide grooves 126a and 126b are driven and interact with each other, and the first and second guide jaws 118a and 118b. And the first and second rails (128a, 128b) auxiliary to suppress the twist or the deviation in the other direction in the horizontal movement to allow the slide member 120 in the guide rail member 110 to be stable running.

After assembling the sliding device 100, by screwing the upper body and the lower body of the mobile phone to the guide rail member 110 and the slide member 120, respectively, the slide-type mobile phone (not shown) is completed. In general, the slide-type mobile phone is used to hold the lower body by hand to push up the upper body corresponding to the cover, so that the guide rail member fixed to the upper body can move on the slide member fixed to the lower body.

In general, the guide rail member 110 and the slide member 120 is made of aluminum, it is produced through a method such as die casting. In general, the first and second guide bars 150a and 150b are formed separately from the guide rail member 110. Therefore, the lower finishing table 116 has a structure separated from the rectangular plate member 112 and is assembled to the rectangular plate member 112 after inserting the first and second guide bars 150a and 150b. In addition, since the first and second guide grooves 126a and 126b for accommodating the first and second guide bars 150a and 150b also cannot be formed by die casting, after the slide member 120 is produced, It must be created through a separate hole making. Next, bearings 127a to 127b 'composed of POM and the like are further inserted.

A slide hinge device using a guide bar or a shaft can slidably slide the sliding body. However, the manufacturing of the hinge device is complicated by the addition of the guide bar structure, and the manufacturing costs and the incidence of defects of the product are increased by adding a hole processing for the guides 126a and 126b and the lower dead zone 116 assembly process. Can increase.

In addition, since the first and second rails 128a and 128b are formed to face the first and second sliding coupling hands 124a and 124b inward, the first guide jaw of the guide rail member 110 is assembled during assembly. 118a) and the second guide jaw 118b has a difficulty in accurately selecting and assembling the position.

In addition, since the first and second rails 128a and 128b are formed to protrude inward, the internal structure of the sliding device 100 becomes complicated, and it is difficult to remove them when foreign matter is introduced.

In addition, since the first and second guide grooves 126a and 126b for accommodating the first and second guide bars 150a and 150b require a separate hole processing, the manufacturing cost increases.

The present invention is to solve the above problems, an object of the present invention is to provide a slide hinge device that is easy to manufacture.

Another object of the present invention is to provide a slide hinge device that can reduce the number of processes for manufacturing and can reduce the incidence of defects.

Still another object of the present invention is to provide a slide hinge device which is easy to assemble and which can simplify the internal structure.

According to a preferred embodiment of the present invention for achieving the above object of the present invention, the slide hinge device of the present invention includes a slide hinge portion and a rail hinge portion.

The rail hinge portion guides the slide movement of the slide hinge portion and includes a side guide portion formed in a C-shape to partially receive the side surface of the slide hinge portion. The side guide portion may limit the detachment of the slide hinge portion. In more detail, the rail hinge portion may include a rail plate, and the side guide portion may be formed of the same material or a different material as the rail plate to bind the rail plate to limit the departure of the slide hinge portion. At this time, the rail plate may be formed using a metal material, and both side ends of the rail plate may be molded by pressing to provide the side guide part integrally.

In addition, the rail hinge portion may further include a guide bar disposed parallel to the inside of the side guide portion, the slide hinge portion includes a slide guide, the slide guide can slide along the guide bar. In addition, the slide hinge portion may further include a guide frame connecting the slide guide, the slide guide is formed by using a lubricity material such as polyacetal (polyoxymethylene), polyamide (polyamide) and polyamide imide Can be.

In addition, the rail hinge portion may include a first guide, a second guide that is spaced apart from the first guide by a predetermined distance, the guide bar is connected to the first guide and the second guide.

The slide hinge device according to the present invention may be mounted on a slide type personal portable terminal, and more specifically, interposed between the first and second terminal bodies overlapping each other to connect both bodies, and between the terminal bodies. Slide sliding can be assisted.

Therefore, the slide hinge device according to the present invention does not require a separate process for assembling the guide bar because the first and second guides are formed directly on the guide bar, and a single upper or lower finisher does not need to be manufactured separately. It can be manufactured by injection molding, which simplifies the manufacturing process.

In addition, since the rail hinge portion and the slide hinge portion may be molded at the same time through insert injection, an additional process for forming a hole or inserting a bearing may be omitted, thereby simplifying the assembly process.

In the present specification, a personal portable device (Personal Portable Device) refers to a portable electric and electronic device such as a PDA (Personal Digital Assistant), a smart phone, a handheld PC, a mobile phone, an MP3 player, and the like. A predetermined communication module such as a Division Multiplexing Access module, a Bluetooth module, an infrared communication module (IrDA), and a wired / wireless LAN card may be provided, and a predetermined microprocessor capable of performing a multimedia playback function may be provided. It can be used as a general term.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments.

Figure 2 is a perspective view for explaining a personal portable terminal equipped with a slide hinge device according to an embodiment of the present invention, Figure 3 is an internal perspective view of a personal portable terminal for explaining the slide hinge device of FIG.

2 and 3, a slide hinge device 200 according to an embodiment of the present invention includes a rail hinge portion 210 and a slide hinge portion 220.

The rail hinge portion 210 guides the slide movement of the slide hinge portion 220 and includes a side guide portion 211 formed in a C-shape to partially receive the side surface of the slide hinge portion 220. The side guide part 211 may limit the separation of the slide hinge part 220. In more detail, the rail hinge portion 210 includes a rail plate 219, and the side guide portions 211 may be formed by pressing and bending both side ends of the rail plate 219. At this time, the rail plate 219 is formed using a metal material so that the side guide portion 211 can be formed by pressing.

In addition, the rail hinge portion 210 further includes a guide bar 216 disposed in parallel with the inner side of the side guide portion 211, and the slide hinge portion 220 includes a slide guide 222. 222 may slide along the guide bar (). In addition, the slide hinge portion 220 further includes a guide frame 224 connecting the slide guide 222, the slide guide 222 is polyoxymethylene, polyamide and polyamide imide It is formed using a lubricious material such as polyamide imide.

In addition, the rail hinge portion 210 includes a first holder 212, a second holder 214 spaced apart from the first holder 212 by a predetermined distance, the guide bar 216 is the first holder 212 And a second fixture 214.

Referring to FIGS. 2 and 3 again, in the personal portable terminal 100 equipped with the slide hinge device 200 according to the embodiment of the present invention, the slide hinge device 200 includes a rail hinge 210 and a slide hinge. A branch 220 is included, and the rail hinge 210 and the slide hinge 220 are respectively fixed to the terminal bodies. The terminal bodies may be opened and closed in a slide manner by the movement between the rail hinge portion 210 and the slide hinge portion 220 interposed therebetween. In general, the rail hinge 210 is mounted on the front first terminal body 110 in which the display unit is mounted, and the slide hinge 220 is mounted on the rear second terminal body in which the key input plate and the battery are mounted. 120).

The first terminal body 110 forms one body of the terminal body and is connected to the rail hinge portion 210. The terminal body includes internal and external components and circuit configurations including general terminal functions. The terminal body may include a terminal case, a keypad, a display module, a wireless transmission / reception module, a battery, a microphone, a receiver, and the like, and its internal configuration may vary depending on the manufacturer. In the present invention, the terminal body includes a first terminal body 110 and the second terminal body 120, the display module may be mounted on the front of the first terminal body 110, the second terminal body 120 Key pad and battery, etc. may be mounted on the front of the panel. In particular, the first terminal body 110 may further include an upper case 115 to which the rail hinge 210 is fixed. In this case, the case includes an upper case 115 mounted on the first terminal body 110 and a lower case (not shown) mounted on the second terminal body 120. However, in another embodiment of the present invention, the first terminal body and the second terminal body may be replaced with other functions or further equipped with various functions according to the intention of the designer. In addition, the rear of the first terminal body 110 is provided with a rail hinge portion receiving portion, the rail hinge portion receiving portion 113 is formed as a groove to seat the rail hinge portion 210.

In addition, one end of the first terminal body 110 is bound to the slide hinge portion 220, and the other end of the first terminal body 110 is bound to the second terminal body 120, so that the first terminal body 110 and the second terminal are opened and closed. The terminal body 120 may be opened and closed automatically. It further includes an elastic member 230 interposed between the rail hinge portion 210 and the slide hinge portion 220, the elastic member 230 is opposed to each other based on one point of the movement path of the slide hinge portion 220 Can provide repulsive force. Therefore, when the user moves the first terminal body 110 of the personal portable terminal 100 by a certain distance from the initial position, the direction of the force is automatically switched between the rail hinge portion 210 and the slide hinge portion 220 The rest of the path can be moved automatically. To this end, the torsion spring provided as the elastic member 230 in the present embodiment is a spring rivet of the spring hole 232 and the slide hinge portion 220 provided as a hole in the rail plate 219 of the second terminal body 120 ( 231) is pivotally connected.

Thus, in the present embodiment, one elastic member 230 is provided as the torsion spring as described above, but two elastic members may be provided to provide opposite repulsive forces with respect to one point of the movement path of the slide hinge portion. It may be provided further. For example, the elastic member may be provided as two torsion springs, and the first torsion spring may be rotatably mounted at both ends of the first terminal body and the slide hinge, and the second torsion spring may be mounted to the first terminal body and the slide hinge part 320. The coil portion of the torsion spring, which may be pivotally connected and includes a coil portion and a coil extension extending from the coil portion, may be provided in the same direction or in the opposite direction.

In the slide hinge device mounted on a conventional mobile phone having a guide bar, guide jaws are formed on both sides of a rectangular plate of the guide rail member, and the guide jaws are formed to protrude inward. A slide coupling hand through which the guide bar penetrates corresponding to the guide jaw is formed to face inwardly and has a protruding rail, and the rails are slidably engaged with the guide jaws of the guide rail member, respectively.

However, in order to combine the guide rail member and the slide member, the slide member must be assembled separately, and for this purpose, the upper or lower finisher is structurally separated. Therefore, the upper or lower finisher should be manufactured separately from the rail plate, and after the slide member is assembled, the upper or lower finisher should be assembled separately using screws or other fasteners. In addition, the guide jaw is formed on both sides of the plate during assembly, the assembly process is complicated by the process of positioning the rail of the sliding coupling hand on the guide jaw to each other has a disadvantage that the work speed is slow. In addition, in the process of forming the guide jaw on both sides of the plate has a problem that the occurrence frequency of the defective product is high, the unit price is increased.

However, the slide hinge device mounted to the personal portable terminal according to the present invention can limit the separation between the rail hinge portion and the slide hinge portion by using the side guide portion of the rail hinge portion, and can guide the slide movement of the slide hinge portion. have.

The slide hinge device according to the present invention can be mounted on a slide-type personal portable terminal, and more specifically, interposed between the first and second terminal bodies overlapping each other to connect both bodies, and the terminal bodies mutually Sliding of the liver can be assisted.

Therefore, the slide hinge device according to the present invention does not require a separate process for assembling the guide bar because the first and second guides are formed directly on the guide bar, and a single upper or lower finisher does not need to be manufactured separately. It can be manufactured by injection molding, which simplifies the manufacturing process.

In addition, since the rail hinge portion and the slide hinge portion may be molded at the same time through insert injection, an additional process for forming a hole or inserting a bearing may be omitted, thereby simplifying the assembly process.

Figure 4 is an exploded perspective view for explaining the coupling of the rail hinge and the slide hinge, Figure 5 is a side cross-sectional view after the rail plate is coupled to the first and second holder.

4 and 5, the upper protrusion 251 and the lower protrusion 252 are protruded from the upper end and the lower end of the rail plate 219, respectively. Thus, when the side guide portion 211 of the rail plate 219 is inserted while receiving the guide protrusion 223, the upper protrusion 251 is the first holder 212 adjacent to the direction in which the rail plate 219 is inserted It is inserted into the receiving groove 213 formed in the lower protrusion 252 is naturally fixed to the fixing protrusion 215 formed on the second holder 214 on the opposite side is fixed to the rail plate 219.

That is, the rail hinge portion includes first and second holders 212 and 214, and the first and second holders 212 and 214 respectively secure the upper end and the lower end of the rail plate 219 and at the same time the end of the guide bar. To accept.

In addition, the second holder 214 is formed to be thinner than the first holder 212 by the thickness (ⓐ) of the rail plate 219, the receiving groove 213 formed in the first holder 212 rail plate 219 And the fixing protrusion 215 formed on the second fixing stand 214 on the opposite side.

In addition, the length ⓑ of the second holder 214 is formed to be shorter than the length ⓒ of the first holder 212 corresponding to the thickness of the rail plate so that the rail plate passes through the second holder so that the amount of the first holder is fixed. It can be fixed at the end.

6 is an exploded perspective view for explaining a slide hinge device according to an embodiment of the present invention, Figure 7 is a cross-sectional view for explaining the slide hinge device of FIG.

6 and 7, the slide hinge device 200 according to the present invention includes a rail hinge portion 210 and a slide hinge portion 220.

The rail hinge portion 210 includes a first holder 212, a second holder 214, and a guide bar 216, and includes a rail hinge portion receiving portion provided as a groove in the rear of the first terminal body 110 ( Seated at 113).

The first holder 212 is mounted to the first terminal body 110 of the sliding movement method, the second holder 214 is formed spaced apart from the first holder 212 by the length of the guide bar 216, 1 may be manufactured in a shape corresponding to the holder 212. However, in another embodiment of the present invention, according to the intention of the designer, the first fixing rod and the second fixing rod may be formed in the same shape or may be formed in various different shapes.

The guide bar 216 is disposed between the first holder 212 and the second holder 214, and both ends of the guide bar 216 are accommodated in the first holder 212 and the second holder 214. It is fixed. In the present embodiment, the slide hinge portion 220 includes a slide guide 222 and a guide frame 224 connecting the slide guide 222. However, in another embodiment of the present invention, the slide guide and the guide frame may be integrally formed according to the designer's intention.

For reference, the rail hinge portion 210 includes a rail plate 219 connecting the first holder 212 and the second holder 214, and the first and second holders at both ends of the rail plate 219. 212 and 214 are coupled and the guide bar 216 is disposed parallel to the side of the rail plate 219.

The guide cover 117 is formed in a flat plate shape and is mounted on the first terminal body 110, and the hinge cover groove 112 for seating the guide cover 117 is formed in the first terminal body 110. .

In the present embodiment, the material of the guide cover 117 is not limited, but the guide cover 117 and the second terminal body 120 may move in contact with each other to easily generate abrasion, dust, and noise due to friction. Therefore, it is excellent in self-lubricating properties such as polyacetal (POM) because of its excellent mechanical, thermal and chemical properties and excellent dimensional stability even in the long-term wide temperature range. It may be desirable to use a polymer material with wear characteristics.

In addition, when the slide hinge device 200 is mounted on the first terminal body 110, the guide cover 117 is mounted on the first terminal body 110 to be positioned outside the guide protrusion 223. However, in another embodiment of the present invention, the guide cover and the first terminal body may be integrally formed according to the intention of the designer.

In addition, a ring-shaped damper 218 is provided adjacent to the connection portion between the guide bar 216 and the first fixing member 212 and the second fixing member 214. Damper 218 is to reduce the impact and noise caused by the direct contact between the slide hinge portion 220 and the rail hinge portion 210, the damper 218 may have a variety of cross-sections, such as circular, square. The dampers may be formed of resins and constructions having natural rubber or other buffering properties, such as conventional buffer rubber. However, the conventional buffer rubber is formed in the shape of a hat and covered with the end of the guide bar 216, but the damper 218 is formed in a ring shape and the position can be adjusted on the guide bar 216.

The slide guide 222 is mounted to allow the slide movement on the guide 216. In addition, the slide guide 222 may be formed using a lubricating material such as polyoxymethylene, polyamide, and polyamide imide, without using a separate bush or bearing. Smooth slide movement can be performed. The slide guide 222 is formed in a hollow shape for accommodating the guide bar 214. Since the slide guide 222 moves in contact with the guide bar 216, it is easy to generate frictional wear, dust, and noise. Therefore, it is excellent in self-lubricating properties such as polyacetal (POM) because of its excellent mechanical, thermal and chemical properties and excellent dimensional stability even in the long-term wide temperature range. Polymer materials having wear characteristics may be used.

Referring to FIG. 7, the slide guide 222 includes a guide body 222a and a guide protrusion 223. A through hole is formed in the center of the guide body 222a, the guide bar 216 is assembled with the slide guide 222 through the through hole, and a screw hole 244 is formed to guide the frame 224 by screws. )

In addition, a fastening hole 242 for fastening the slide guide 222 may be formed in the guide frame 224. In this case, a screw hole 244 into which the screw body 254 is inserted is formed at the inlet of the fastening hole 242, and a counter for supporting the screw head 252 of the screw 250 is formed at the inlet of the screw hole 244. Bore 246 is formed. The screw 250 includes a screw head 252, a screw body 254 having a diameter smaller than the screw head 252, and a threaded portion 256 formed at the end of the screw body 254. Therefore, the screw may use a two-stage screw, and the screw is not fastened more than necessary to the inside of the guide frame 224 by the screw body 254, so that the slide guide 222 by pressing with a force more than necessary Can be prevented from being broken. In addition, the shape of the fastening hole 242 and the screw hole 244 is prevented from being deformed. However, in another embodiment of the present invention, the shape of the guide frame and the slide guide may be variously set corresponding to the screw according to the intention of the designer.

The slide hinge device of the present invention is easy to manufacture, it is possible to reduce the number of processes for manufacturing, it is possible to reduce the failure rate of the product is very economical.

In addition, it is possible to selectively add or omit the rail plate of the rail hinge portion to simplify the manufacturing process, and also to reduce the manufacturing cost.

In addition, when the slide hinge portion is to be disengaged from the rail hinge portion by excessive external force, the side guide portion and the guide protrusion engaged therewith assist the restraining or deviation of the slide hinge in the other direction in the horizontal movement to assist the slide hinge in the rail hinge portion. The additional stable running is possible.

In addition, the slide guide may be formed using a lubricating material to perform a smooth slide movement without using a separate bush or bearing.

As described above, the present invention has been described with reference to the preferred embodiments, but those skilled in the art can variously modify the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated that it can be changed.

Claims (17)

Slide hinge portion; And A guide for guiding the slide movement of the slide hinge portion, the side guide portion being formed in a C-shape to partially receive the side surface of the slide hinge portion, the side guide portion for limiting the departure of the slide hinge portion; Slide hinge device having a. The method of claim 1, The rail hinge portion includes a rail plate, and the side guide portions are formed at both side ends of the rail plate. The method of claim 2, The rail plate is formed using a metal material, the side guide portion is a slide hinge device, characterized in that formed by bending both side ends of the rail plate by pressing. The method of claim 2, And the rail hinge portion includes first and second holders, and the first and second holders are fixed to an end portion of the rail plate. The method of claim 4, wherein And the rail hinge portion and the slide hinge portion are formed by injection molding at the same time. The method of claim 1, And the rail hinge portion includes a guide bar, and the guide bar is disposed in parallel with the inside of the side guide portion. The method of claim 6, And the slide hinge portion includes a slide guide, wherein the slide guide slides along the guide bar. The method of claim 7, wherein The slide guide is formed with a guide protrusion protruding outward from the side, the guide projection is a slide hinge device, characterized in that partially received by the side guide portion. The method of claim 7, wherein The slide guide is a slide hinge device, characterized in that formed using a lubricity material. The method of claim 1, Further comprising an elastic member interposed between the rail hinge portion and the slide hinge portion, wherein the elastic member provides a force opposite to each other based on a point of the movement path of the slide hinge portion, the slide hinge portion and the rail hinge Slide hinge device characterized in that the opening and closing semi-automatically. A rail hinge part including a rail plate made of metal, a C-shaped side guide part formed by bending both side ends of the rail plate, and a guide bar arranged in parallel in the side guide part; And A slide hinge slide sliding along the guide bar, the slide guide including a guide protrusion protruding outward from a side to partially accommodate the side guide and a guide frame connecting the slide guide; Slide hinge device having a. The method of claim 11, The slide guide is a slide hinge device, characterized in that formed using a lubricity material. The method of claim 11, And the rail hinge portion includes first and second holders, and the first and second holders are respectively fixed to an upper end portion and a lower end portion of the rail plate and accommodate an end portion of the guide bar. The method of claim 13, An upper protrusion and a lower protrusion protrude from the upper end and the lower end of the rail plate, respectively. An accommodation groove for accommodating the upper protrusion is formed in the first holder, and a fixing protrusion for fixing the lower protrusion is formed in the second holder, and the receiving groove and the fixing protrusion of the rail plate are provided in the first fixing rod. Slide hinge device, characterized in that the rail plate is fixed. The method of claim 14, And the second holder is thinner as much as the thickness of the rail plate than the first holder. The method of claim 13, And the second holder is shorter than the first holder by a thickness corresponding to the thickness of the rail plate. The method of claim 11, Further comprising an elastic member interposed between the rail hinge portion and the slide hinge portion, wherein the elastic member provides a force opposite to each other based on a point of the movement path of the slide hinge portion, the slide hinge portion and the rail hinge Slide hinge device characterized in that the opening and closing semi-automatically.

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