KR20050110931A - Slide phone - Google Patents

Abstract

Disclosed is a slide phone capable of smooth driving while reducing the thickness of the slide phone. The slide phone includes a main part, a sliding part, a hinge part and a lubrication injection molded part. The hinge part is interposed between the main part and the sliding part, and includes a first hinge part formed in the main part and a second hinge part formed in the sliding part corresponding to the first hinge part. The lubrication injection molding part is formed at a portion where the first hinge part and the second hinge part contact each other, and are integral with at least one of the first and second hinge parts. Therefore, since the present invention does not require a separate hinge part except for the first hinge part and the second hinge part, the thickness can be reduced, and since the lubrication injection molding part is formed by insert injection into the contact portion of the hinge part, smooth hinge driving can be performed.

Description

Slide phone {SLIDE PHONE}

The present invention relates to a slide phone, and more particularly, to a slide phone capable of operating the telephone or opening and closing the key input unit of the telephone by sliding the two parts constituting one telephone relatively.

As wireless communication technology develops, wireless communication technology is widely applied in various fields of products. As the wireless communication technology has been developed in the telephone, the wireless communication technology has been applied to various products in various fields.

In general, a portable telephone is a comprehensive concept including not only a wireless transceiver included in a home wireless telephone but also a mobile phone, a smart phone, and other portable terminals which are widely used recently. Small phones are preferred because they are primarily intended for portability, and additional designs are preferred because they have a special design or include a variety of functions. Therefore, in the mobile phones that are being released these days, small and thin products are continuously released, and light weight and excellent design are preferred.

In general, mobile phones may be classified into a flip type, a folder type, and a sliding type according to their appearance or operation.

The flip type mobile phone is a mobile phone of the type which generally forms a display unit and a key input unit such as a liquid crystal display (LCD) on the same body, and protects the key input unit or receives a call by using a cover connected to the bottom by a hinge.

A folder-type mobile phone can be opened and closed by connecting two folder parts by a hinge, and a mobile phone of a method of forming a main display unit and a key input unit respectively on opposite sides. The folder-type mobile phone can close two folders to protect the display and the key input unit, and can open a folder to receive a call or perform a desired function through key input.

Lastly, the sliding type mobile phone is a mobile phone of the two sliding parts arranged to overlap each other, and the display unit and the key input unit to the same direction on the sliding parts, respectively. 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 sliding the front sliding part relatively. For example, there is a mobile phone that can push up the front sliding part to expose the key input unit formed on the front of the rear sliding part. As another example, there is also a mobile phone that can expose the display formed on the front of the sliding part of the rear by moving the front sliding part formed with the key input portion down.

1 is a perspective view of a conventional slide phone.

Referring to FIG. 1, the conventional slide phone 10 includes a main part 20 and a sliding part 30. The battery 22 is detachably mounted on the rear of the main part 20, a key input unit 24 is formed at the front lower end thereof, and an antenna 26 is provided at the upper end thereof.

The sliding part 30 is mounted on the front of the main part 20 to be slidable up and down. A large liquid crystal display (LCD) window 32, a menu key 34, a telephone, and the like are formed on the front of the sliding part 30. The sliding part 30 may be moved upward to expose a key input part hidden behind, and the call may be received or hanged up from another person through the movement.

Since the slide phone 10 is directly exposed to the front of the LCD window 32, the phone contents and other information can be read directly without moving the sliding part 30, and the menu key 34 can be used to read the phone phone. Other functions can be easily performed. In addition, since most of the front area of the sliding part 30 can be used as the LCD window 32, the LCD window 32 can be used widely.

A slide track (not shown) is interposed between the main part 20 and the sliding part 30. The slide track 30 generally includes a guide rail, a fixed block and an elastic latch. The guide rail is fixed to the sliding part 30, and the fixing block is fixed to the main part 20. By moving up and down in the state in which the fixed block is accommodated in the guide rail, the sliding part 30 slides up and down on the main part 20.

In the case of a slide phone, since the sliding parts 30 generally move on the main part 20 a number of times, the sliding tracks connecting the two parts 20 and 30 are generally made of a solid metal material. Slide tracks connecting the 20 and 30 are produced by bending metal sheets. However, since the parts constituting the slide track itself are small in size, and the main part 20 and the sliding part 30 must be closely adhered to each other without any gap, high precision is required in the production of the parts, and thus, for precise production of the parts, There is a drawback that the manufacturing cost also increases.

In addition, since the surface of each part is relatively uneven in the sliding track made of a conventional metal, the movement between the two parts is hindered by friction, so that the movement is not smooth, and the contact between the metals is directly transmitted to the user and slides. The disadvantage is that the sense is not luxurious.

In addition, in the process of producing the sliding track, each part manufactured has a certain error range, and the smaller the planned error range, the higher the manufacturing cost of the product. The sliding track connecting the main part 20 and the sliding part 30 requires a relatively high dimensional accuracy compared to other products, which is difficult to manufacture, and requires a complicated and difficult manufacturing process to increase the dimensional precision. Has the disadvantage of increasing. In addition, mechanical friction occurs in the sliding part, so frequent opening and closing of the slide phone can wear out the material, and this wear can loosen the parts in the sliding track.

Therefore, in recent years, in forming the hinge of the slide phone, high dimensional accuracy can be obtained even by a simple process, a good feeling of slide can be obtained, and long-term use is required without frequent wear and tear of parts.

Accordingly, an object of the present invention for overcoming the above-mentioned problems is to provide a slide phone which reduces the thickness of the slide phone and improves the operation feeling by smoothly driving the hinge.

Another object of the present invention is to provide a slide phone to reduce the manufacturing cost by increasing the dimensional accuracy when manufacturing the slide phone.

Another object of the present invention is to provide a slide phone that can prevent the contact portion from loosening when opening and closing the slide phone.

Still another object of the present invention is to provide a slide phone which moves the remaining distance itself by pushing only a predetermined distance without pushing the sliding part to the end.

According to a preferred embodiment of the present invention for achieving the above object of the present invention, the slide phone has a main part, a sliding part, a hinge part and a lubrication injection molding part. The hinge part is interposed between the main part and the sliding part, and includes a first hinge part formed in the main part and a second hinge part formed in the sliding part corresponding to the first hinge part. The lubrication injection molding part is coated in whole or in part on a part where the first hinge part and the second hinge part slide in contact with each other, and are integrally formed with the first hinge part and the second hinge part.

In addition, the lubrication injection molding part may be formed on the surface of the first hinge part and the second hinge part through an insert injection molding method. The hinge part may be made of iron or other press material, such as non-ferrous metals such as zinc or magnesium produced by die casting, and the material of the lubrication injection molding part may be acetal resin (POM: Polyoxymethylene) or Fluorine resin etc. can be used. Therefore, inserts such as acetal resin (POM: Polyoxymethylene) or fluorine resin are inserted into the insert work of the desired shape formed on the surface of the hinge part to form the desired injection molding, and the injection molding and the hinge part are integrated to make a composite material of double material. . Therefore, it is possible to save only the advantages of the material by preventing the different materials are completely in contact with each other through a double injection method. Acetal resin (POM: Polyoxymethylene) or fluorine resin constituting the lubrication injection molding part contains inherent lubricating oils and thus has no lubrication during friction and good lubricity. Therefore, it is suitable for use as a lubrication injection molding part in the present invention. However, in another embodiment of the present invention, it may be manufactured using another material having excellent wear resistance and excellent lubricity.

Conventionally, friction occurred between the parts of the hinge part during opening and closing of the slide phone, and this friction prevented the slide phone from being opened and closed due to the force acting in opposite directions. In addition, in addition to the disturbance caused by friction, the unstable contact between the parts in the opening and closing of the slide phone is transmitted directly to the user was not good feeling of the operation of the sliding.

However, the slide phone of the present invention uses a double injection method in which the lubrication injection molding part made of a lubricating material is inserted and partially injected into the sliding part of the hinge part. Therefore, it is possible to compensate for the weak parts of the material by injecting the material and other materials only in the locally necessary parts. In the present invention, by inserting the lubrication injection molding part into the surface contacting the hinge parts locally or entirely, the friction coefficient between the hinge parts can be reduced so as to smoothly slide between each other. Therefore, the sliding drive is smooth between the hinge parts by the lubrication injection molding part, so the unstable contact between the parts is directly transmitted to the user in the opening and closing of the conventional slide phone, so that the opening and closing of the slide phone is smooth without the unstable contact unlike the unsatisfactory feeling of sliding operation. Is generated so that the feeling of sliding operation can be improved very well. In addition, since the lubrication injection molding part is made of a material having high wear resistance, wear can be reduced in the sliding part, thereby preventing the problem of loosening between the hinge parts when opening and closing the sliding phone.

And the hinge produced by the conventional injection processing method has a certain error in the dimensions are manufactured within the originally planned numerical value and the error range. However, the disadvantage is that the dimensional accuracy is relatively low compared to other processing methods. In the case of mass production, the press working method increases the manufacturing cost of the slide phone and makes it difficult to manufacture a complicated shape. However, the hinge part of the slide phone according to the present invention is manufactured by applying a double injection molding method. Therefore, the hinge part of the metal manufactured by the press method does not need a separate hinge part because the two hinge parts connected to the main part and the sliding part can be connected to each other to perform sliding driving. Therefore, the thickness of the slide phone can be significantly reduced than the slide phone of the conventional complex hinge structure. In addition, insert molding is performed on the hinge part to combine the ease of molding of the resin, the plasticity, the strength of the metal, the heat resistance, and the like to complement each other, thereby making a strong and sophisticated part. And since resin is easy to shape | mold, the dimensional precision of a component can be improved. Therefore, there is an advantage that can reduce the manufacturing time and manufacturing cost.

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 an exploded perspective view for explaining a slide phone according to an embodiment of the present invention, Figure 3 is a perspective view for explaining a coupling process of the hinge part and the lubrication injection molding of the slide phone according to an embodiment of the present invention.

2 and 3, the slide phone includes a main part 110, a sliding part 112, a hinge part 115, a lubrication injection molding part 140, and an elastic member 150.

 The main part 110 includes a key input unit 110a, a microphone 110b, and the like, and the sliding part 112 includes a display screen 112a and a speaker 112b. In addition, a battery, an additional function button, an earphone jack, an image module, etc. may be added to the main part or the sliding part. Therefore, in the present specification, one of the two main body parts constituting the slide phone is defined as the main part and the other as the sliding part, but such definition is not particularly limited to the internal configuration and mobile phone functions of each main body part, The general structure and function of the main part and the sliding part may also be variously changed with reference to the slide phone shown in FIG. 1 or another conventional slide phone.

The hinge part 115 includes a first hinge part 120 and a second hinge part 130. The first hinge part 120 is formed at an upper end of the main part to be in contact with the second hinge part 130. The first hinge portion 120 includes a first hinge plate 122, a connecting hinge plate 124, and a guide flange portion 126. The first hinge plate 122 is formed at the center of the first hinge portion 120. In addition, the outer surface of the first hinge plate 122 is connected to the main part so that the first hinge part 120 is interlocked with the main part. The connecting hinge plate 124 is integrally connected to both side ends of the first hinge plate 122, and is formed in two layers in contact with the inner surface of the first hinge plate 122. A plurality of holes are formed in the connection hinge plate 124 and the first hinge plate 122. The guide flange portion 126 is integrally connected with the connecting hinge plate 124 and positioned in a direction facing each other to form an a-shape. Accordingly, the a-shaped guide flange 126 may be coupled to the guide groove 132. However, in another embodiment of the present invention may be any protruding form that can be fitted into the groove according to the designer's intention. Since the second hinge portion 130 has a second lubrication coating 144 is injected into both sides and is formed long in the longitudinal direction and is fixed to the second hinge portion 130, the second hinge portion 130 and the second lubrication coating ( The guide grooves 132 are formed symmetrically and have a predetermined space in the longitudinal direction.

Since the lubrication injection molding part 140 is used in a portion where frequent friction occurs, in this embodiment, Teflon is used as the lubrication injection molding part 140. However, the lubrication injection molding part may be made of a material having good wear resistance and excellent lubricity such as acetal resin (POM: Polyoxymethylene) or other fluorine resin.

The lubrication injection molding includes a first lubrication coating 142 and a second lubrication coating 144. The first lubrication coating 142 covers both ends of the first hinge portion 120, that is, the surfaces of the connecting hinge plate 124 and the guide flange portion 126. The second lubrication coating 144 is formed while making the guide grooves 132 in the longitudinal direction at both ends of the second hinge portion. However, in another embodiment of the present invention, the first hinge portion and the second hinge portion may be partially or entirely formed along the contact surface of the designer according to the intention of the designer.

The elastic member 150 includes a first torsion spring 152 and a second torsion spring 154. The first torsion spring 152 and the second torsion spring 154 are interposed between the first hinge portion 120 and the second hinge portion 130 to form the first and second hinge portions based on a predetermined turning point ( 130 provides repulsive force in different directions. The first torsion spring 152 and the second torsion spring 154 are located side by side in the opening and closing direction to help the opening and closing of the slide phone. The first torsion spring 152 includes a circular portion 156, a fixing portion 158 and a binding screw 159. The circular portion 156 is formed at one end of the first torsion spring 152 and is located on the inner surface of the first hinge portion 120 and connected by the binding screw 159. The fixing part 158 is formed at the other end of the first torsion spring 152 and connected to the second hinge part 130. Therefore, the fixing part 158 is fixed to the second hinge portion 130 does not move. Therefore, when the first hinge portion 120 moves in one direction, the fixing portion 158 is fixed to the second hinge portion 130 to prevent the first hinge portion 120 from being separated between the first hinge portion 120 and the second hinge portion 130. After the turning point, an elastic force is applied to open and close automatically. The binding screw 159 is attached to the inner surface of the first hinge portion 120 to fix the circular portion 156, and the circular portion 156 rotates along the centrifugal force of the binding screw 159 to form the first torsion spring ( 152) to help change position. The second torsion spring 154 is formed in the same manner as the first torsion spring 152.

4A is a perspective view illustrating a first hinge portion of a slide phone according to one embodiment, and FIG. 4B is a perspective view illustrating a first hinge portion and a first lubrication coating according to an embodiment.

4A and 4B, the first hinge portion 120 includes a first hinge plate 122, a connection hinge plate 124, and a guide flange portion 126. The material of the first hinge portion 120 uses die casting zinc or die casting aluminum having excellent mechanical properties. However, in other embodiments of the present invention, various materials such as press materials, other plastics, and thermoplastic resins such as ABS (Acrylonitrile, Butadiene, and Styrene) may be used according to a designer's intention. The first connection hole 127 formed in the first hinge plate 122 has a circular portion connected to the binding screw at the position of the first connection hole 127. A plurality of through holes 128 and 128a are formed in the connection hinge plate 124. The first through hole 128 allows the first hinge portion 120 to be connected to the main body. The remaining holes 128a are formed in the inside of the remaining through holes 128a by injection molding when the first lubrication coating 142 is applied to the first hinge portion 120. Therefore, even when the lubrication injection molding part 140 is moved in both directions for sliding, the first hinge part 120 and the first lubrication coating 142 in the direction in which the force is applied since the lubrication injection molding part 140 is completely connected to the first hinge part 120. Do not separate it. Therefore, the number of through holes 128a may vary depending on the intention of the designer. The first lubrication coating 142 is formed in the longitudinal direction while completely covering the guide flange portion 126 from the outside of the connecting hinge plate 124 using a double injection molding method. Therefore, protruding portions that face each other are formed at both sides of the first hinge plate 122. This is a part in contact with the second hinge 130, the wear and tear frequently occurs when opening and closing the slide phone, and thus can be used to compensate for the vulnerable part by using a double injection molding method. In the first lubrication coating 142, the through hole 128 is formed at the same position as the through hole 128 positioned in the first hinge part 120 so that the first hinge part 120 is connected to the main body.

5A is a perspective view illustrating a second hinge portion of a slide phone according to an embodiment, and FIG. 5B is a perspective view illustrating a second hinge portion and a second lubrication coating of a slide phone according to an embodiment.

5A and 5B, the second hinge 130 is positioned at the lower end of the sliding part to connect the sliding part. The second hinge portion 130 is connected to the first hinge portion 120 to help the sliding. Both sides of the second hinge portion 130 are curved in a b-shape. The second lubricating coating 144 is also manufactured by insert injection molding, and forms a c-shaped guide groove 132 while covering the surfaces of both sides of the second hinge 130. Therefore, the protruding portion of the guide flange portion 126 of the first hinge portion 120 and the guide groove 132 of the second hinge portion 130 are in contact with the irregularities to slide in the longitudinal direction. Several through holes 134 and 134a are formed at both sides of the second hinge 130. The second through hole 134 allows the second hinge 130 and the elastic member to be connected. The remaining holes 134a are filled with the second lubrication coating 144 inside the remaining through holes 134a by insert injection molding when the second lubrication coating 144 is applied to the second hinge portion 130. In another embodiment of the present invention, projections may be formed in the remaining holes. Therefore, even if a force is applied to the lubrication injection molding part from the outside in the lateral direction, the lubrication injection molding part may be fixed while including the protrusion to support a larger force, thereby more firmly fixing the lubrication injection molding part.

6 is a perspective view for explaining the operation principle of the elastic member of the slide phone according to an embodiment of the present invention, Figure 7 is a side view for explaining the elastic member of the slide phone according to an embodiment.

6 and 7, the circular part 156 of the first torsion spring 152 is connected to the upper end of the first hinge part 120, and the fixing part 158 is connected to the second hinge part 130. It is fixed to the side. The circular portion 156 of the second torsion spring 154 is connected to the lower end of the first hinge portion 120, and is also fixed to the side of the second hinge portion 130. Therefore, when the slide phone is moved from the bottom to the upper direction, the sliding part moves from the initial state toward the turning point, and both ends of the first and second torsion springs 154 are close to each other (①). At this time, if the slide phone is raised further upward, it passes through the maximum deformation point, and both ends of the first and second torsion springs 152 and 154 are repulsed in a direction away from each other and are pushed to each other in the direction of travel, so that the first and the second are not applied. The two torsion springs 152 and 154 are automatically opened by their own repulsive force.

The slide phone of the present invention inserts the first lubrication coating 142 and the second lubrication coating 144 made of a lubricating material at a portion where sliding occurs at the first hinge portion 120 and the second hinge portion 130. By using a double injection molding to form a shape of the guide groove and the guide flange portion to drive the drive so that they can occur easily. Therefore, the feeling of sliding operation can be improved very well. In particular, as in the present embodiment, in the case of a slide phone that is semi-automatically moved by using the elastic member, the first and second hinge parts 120 and 130 can be moved more smoothly by lubrication coating.

In addition, since the lubrication injection molding part 140 uses a material having high abrasion resistance, wear on the sliding part can be reduced, thereby preventing the problem of loosening between the hinge parts when opening and closing the sliding phone.

In addition, insert molding is performed on the first hinge part 120 and the second hinge part 130 to maximize the advantages of the metal and the resin by the first lubrication coating 142 and the second lubrication coating 144. . In addition, since the first hinge portion 120 and the second hinge portion 130 are bent, a separate hinge part is not required. Therefore, since only the minimum hinge part for sliding driving is used, the thickness can be reduced. Therefore, it is possible to reduce the thickness of the first hinge portion 120 and the second hinge portion 130 and to manufacture a slide phone smooth slide driving. In addition, since the molding of the resin is easy to improve the dimensional accuracy, there is an advantage that the manufacturing time and manufacturing cost can be reduced.

In addition, in the opening and closing of the slide phone, since the stroke distance of 50% is manually operated automatically, the remaining 50% of stroke length can be opened and closed conveniently. Therefore, it is convenient to move the remaining distance by pushing only a predetermined distance without pushing the sliding to the end.

In the present embodiment, the first hinge portion 120 and the second hinge portion 130 constituting the hinge part 115 are manufactured by pressing a metal plate, but according to another embodiment of the present invention, the main part And the hinge part for connecting the sliding part may be manufactured in various hinge forms that are conventionally made of metal.

Since the slide phone according to the present invention does not require parts other than the first hinge part and the second hinge part, while reducing the thickness of the slide phone, the first injection part and the second hinge part contact with each other and the lubrication injection molded part as a whole occurs. Alternatively, the insert is partially inserted to completely fix different materials so that the sliding drive is smooth and the operation feeling is excellent when the slide phone is opened and closed.

 In addition, the hinge portion of the slide phone is manufactured by using an insert injection molding method to increase numerical accuracy, thereby reducing defective rate and manufacturing cost, thereby increasing price competitiveness.

In addition, since the wear of the lubrication injection molding part can be reduced, the problem of loosening between the hinge parts when opening and closing the sliding phone can be prevented.

In addition, it is convenient to open and close the mobile phone because it does not push the sliding part to the end and only pushes a predetermined distance or more to move the remaining distance by itself.

As described above, although described with reference to the preferred embodiment of the present invention, those skilled in the art various modifications and variations of the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is a perspective view of a conventional slide phone.

2 is an exploded perspective view for explaining a slide phone according to an embodiment of the present invention.

Figure 3 is a perspective view for explaining the coupling process of the hinge part and the lubrication injection molding of the slide phone according to an embodiment of the present invention.

4A is a perspective view illustrating a first hinge portion of a slide phone according to one embodiment.

4B is a perspective view illustrating a first hinge portion and a first lubrication coating according to an embodiment.

5A is a perspective view illustrating a second hinge portion of a slide phone according to one embodiment.

5B is a perspective view illustrating a second hinge portion and a second lubrication coating of a slide phone according to an embodiment.

6 is a perspective view for explaining the principle of operation of the elastic member of the slide phone according to an embodiment of the present invention.

7 is a side view for explaining an elastic member of a slide phone according to an embodiment.

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

110: Main part 112: Sliding parts

120: 1st hinge part 130: 2nd hinge part

140: lubrication injection molding part 150: elastic member

Claims (12)

Main part; A sliding part sliding on the main part; A hinge part interposed between the main part and the sliding part, the hinge part including a first hinge part formed in the main part and a second hinge part formed in the sliding part corresponding to the first hinge part; And And a lubrication injection molding part formed at a portion where the first hinge part and the second hinge part contact each other, and integrally formed with at least one of the first and second hinge parts. The method of claim 1, The lubrication injection molding part is a slide phone, characterized in that it uses acetal resin (POM: Polyoxymethylene) or fluorine resin with good wear resistance. The method of claim 1, The hinge part is made of a metal, the lubrication injection molding portion is a slide phone, characterized in that formed on the surface of the first hinge portion and the second hinge portion through an insert (Insert) injection molding method. The method of claim 3, And the hinge part comprises at least one selected from the group consisting of iron, zinc, aluminum, tin, copper and magnesium. The method of claim 4, wherein A slide phone characterized in that the hinge part composed of zinc, aluminum, tin, copper or magnesium is processed by a die casting method. The method of claim 1, The first hinge portion includes a guide flange portion integrally connected to both side end portions, the second hinge portion has symmetrical injection molding portions on both sides and forms a guide groove in a longitudinal direction, and the guide flange portion is the guide flange portion. The slide phone, characterized in that partially inserted into the groove to move along the guide groove. The method of claim 6, The first hinge portion is a first hinge plate formed in the central portion; And A connecting hinge plate integrally connected to both side ends of the first hinge plate, the connecting hinge plate forming a double hinge plate in contact with an inner surface of the first hinge plate, The guide flange portion is integrally connected to the connecting hinge plate, the slide phone, characterized in that protruding by a predetermined length in a direction facing each other. The method of claim 7, wherein At least one hole is formed in the connection hinge plate. The method of claim 1, And the lubrication injection molding part comprises a first lubrication coating integrally formed with the first hinge part and a second lubrication coating integrally formed with the second hinge part. The method of claim 1, And at least one elastic member interposed between the first hinge portion and the second hinge portion to provide repulsive force with different directions in the first and second hinge portions on the basis of a predetermined turning point, When the sliding part to which the second hinge portion is attached moves by a partial distance with respect to the main part and passes through the switching point, the sliding part automatically moves by the remaining distance by switching of the repulsive force direction. pawn. The method of claim 10, The elastic member includes a first torsion spring and a second torsion spring, which are located side by side in the sliding direction, And the first and second torsion springs pass through a maximum strain point at the turning point and provide repulsive forces in different directions relative to the maximum strain point. The method of claim 11, The first and second torsion springs have a circular portion whose one end is bound to the first hinge portion; And The other end of the first and second torsion spring is fixed to the second hinge portion; And a binding screw connecting the circular portion to the second hinge portion to bind the circular portion.