KR200450975Y1 - Sliding link assembly having extension spring - Google Patents

Sliding link assembly having extension spring Download PDF

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Publication number
KR200450975Y1
KR200450975Y1 KR20080008105U KR20080008105U KR200450975Y1 KR 200450975 Y1 KR200450975 Y1 KR 200450975Y1 KR 20080008105 U KR20080008105 U KR 20080008105U KR 20080008105 U KR20080008105 U KR 20080008105U KR 200450975 Y1 KR200450975 Y1 KR 200450975Y1
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KR
South Korea
Prior art keywords
slider
link
longitudinal direction
link assembly
guide slot
Prior art date
Application number
KR20080008105U
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Korean (ko)
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KR20090013050U (en
Inventor
이장우
Original Assignee
(주)하이텍파츠
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Filing date
Publication date
Application filed by (주)하이텍파츠 filed Critical (주)하이텍파츠
Priority to KR20080008105U priority Critical patent/KR200450975Y1/en
Priority to PCT/KR2009/003136 priority patent/WO2009154373A2/en
Publication of KR20090013050U publication Critical patent/KR20090013050U/en
Application granted granted Critical
Publication of KR200450975Y1 publication Critical patent/KR200450975Y1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H04M1/0237—Sliding mechanism with one degree of freedom

Abstract

The present invention relates to a slider link assembly. More particularly, the present invention relates to a slider link assembly used in a slider for a sliding type mobile phone, and more particularly, to a slider link assembly which can more stably slide by reducing the number of parts to reduce manufacturing cost, reduce thickness, and improve the sliding structure.

The slider link assembly having a tension spring according to the present invention includes a first link slider, a second link slider constrained to be slidable in a longitudinal direction of the first link slider, and both ends of the first and second links, respectively. A slider link assembly comprising a plurality of tension springs fixed to the other end of a slider, wherein the first and second link sliders have a plate shape made of metal and are formed in a longitudinal direction at one end of each link slider. And partially cutting a second guide slot and the first and second link sliders corresponding to the first and second guide slots to guide and prevent the longitudinal movement of each link slider. It characterized in that it comprises a first and second bent portion.

Description

Slider link assembly with tension springs {SLIDING LINK ASSEMBLY HAVING EXTENSION SPRING}

The present invention relates to a slider link assembly. More particularly, the present invention relates to a slider link assembly used in a slider for a sliding type mobile phone, and more particularly, to a slider link assembly which can more stably slide by reducing the number of parts to reduce manufacturing cost, reduce thickness, and improve the sliding structure.

Semi-automatic slider assembly for a mobile phone is provided with an elastic member between the sliding plate and the fixed plate. Both sides of the elastic member are rotatably fixed to the sliding plate and the fixed plate, respectively, and rotate while contracting as the sliding plate slides, thereby automatically moving the sliding plate in the sliding direction by the restoring force.

6 illustrates a slider link assembly having a pair of link sliders and a plurality of tension springs as an elastic member used in a semi-automatic slider assembly for a conventional mobile phone. 6 is disclosed in the Republic of Korea Utility Model Registration No. 20-0376773 devised and registered by the applicant of the present invention. Other names for the slider link assembly may be referred to as up / down retaining means.

The conventional slider link assembly (up / down holding means) shown in FIG. 6 includes a pair of link sliders 31, a plurality of tension springs 32, and a pair of links manufactured by pressing a metal material. The slider 31 is provided with a pair of pins 313 for restraining it from being separated and for guiding sliding. The tension spring 32 is hooked at both ends by the engaging portion 314 formed on the link slider 31. Each link slider 31 is formed with a longitudinal guide slot 312 for guiding sliding.

Conventional slider link assembly 30 having the structure as described above, a separate pin 313 for locking the plurality of springs 32 at the time of assembly and restraining the pair of link slider 31 is not separated. Therefore, assembly is complicated and manufacturing cost is high. In addition, the pin 313 protrudes to the outer side of the link slider 31, so that the entire thickness of the assembly is increased. In addition, as illustrated in the point island circle of Figure 6, the outer peripheral surface of the pin 313 is to guide the sliding while making point contact at two points with the inner peripheral surface of the guide slot 312, the sliding is not smooth. In addition, since the pin 313 is engaged in the point contact state along the guide slot 312 formed along the longitudinal direction of the pair of link slider 31, noise is severely generated when sliding. This is because the inner peripheral surface of the guide slot 312 is pressed to form a rough fracture surface.

The present invention is to solve the problems of the conventional slider link assembly as described above. It is an object of the present invention to provide a slider link assembly that can reduce the number of parts, improve assembly productivity, reduce manufacturing costs, and reduce thickness. It is also an object of the present invention to provide a slider link assembly that can minimize the occurrence of noise during sliding and provide a smooth sliding feeling.

Slider link assembly having a tension spring according to the present invention, the spring fixing for securing the spring at one end is formed extending in the lateral direction and the hinge connection is formed at the other end, so that the sliding in the longitudinal direction The first and second link sliders, guided and constrained not to be separated from each other, and a plurality of tension springs, both ends of which are fixed to the spring fixing portions of the first and second link sliders, respectively. In the first and second link sliders, first and second guide slots for guiding sliding in the longitudinal direction are formed in the longitudinal direction, respectively, and guide slots opposed to the positions spaced at a predetermined distance from the guide slot in the longitudinal direction. The first and second bent portions, each of which is inserted into the sheet and bent at a predetermined angle toward the opposing link slider, are formed to guide the longitudinal movement and to prevent the separation.

In the link slider assembly according to the present invention, the first and second link sliders are not coupled to each other by using separate pins. To prevent this. Therefore, the manufacturing cost is reduced, and the thickness of the link slider can be manufactured to be thin.

When the first and second link sliders are made of metal, the first and second bent sections may be formed by partially cutting and bending the link slider by press working. In addition, in order to improve the sense of sliding, it is preferable to form an inclined surface in contact with the inclined surface of the bent portion on the inner surface in the longitudinal direction of the first and second guide slots. When the first and second link sliders are made of metal, a smooth inclined surface is obtained by pressing the inclined surface on the side surface of the guide slot with a mirror processed mold. Since the bent portion slides in contact with the smooth inclined surface, the occurrence of noise during the sliding is reduced.

In addition, in order to make the bent portion sliding in contact with the guide slots more stable, the first and second bent portions are formed by bending in a pair at regular intervals so as to be constrained to both inner surfaces in the longitudinal direction of the corresponding guide slots, respectively. It is preferable. In addition, in order to facilitate assembly of the first and second link sliders, bent portions are inserted at the ends of the first guide slot and the second guide slot so that the first and second link sliders are wider than the width of the guide slot. Forming through holes having a large width are formed.

In addition, the plurality of tension springs are formed on both ends of the engaging portion is reduced in diameter, the first and second link sliders are formed in the opposite surface extending in the lateral direction from the other end, respectively facing grooves, respectively It is installed in the coupling groove of the plurality of tension springs includes a spring fixing portion formed with a plurality of fixing grooves for fixing the insert is formed on both ends.

In addition, at the end of the coupling groove of the spring fixing portion is formed a locking step for fitting the engaging portion is reduced in diameter of the tension spring.

The slider link assembly according to the present invention is mainly used for the slider assembly of the sliding type mobile phone, but its use is not limited thereto. Slider link assembly according to the present invention can be used in various electronic devices such as PDA, machinery, household goods and the like.

Slider link assembly according to the present invention, because it does not require a separate pin for engaging each link slider, because the bending portion integrally formed in the link slider to be inserted into the guide slot to be constrained, the structure is simple to manufacture and assemble This is easy, there is an effect that can reduce the manufacturing cost. In addition, when the link slider is made of a metal material, the rigidity is excellent, so that deformation and durability due to heat are improved as compared with the synthetic resin. Moreover, since the thickness is thin, the slider device used for a mobile phone etc. can be made slim. In addition, the bent portion formed in each link slider and the inclined surface formed in the guide slot are sliding in the surface contact state, the noise is low, there is an effect that the overall stable and smooth sliding operation.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a state diagram of an embodiment of a slider link assembly with a tension spring according to the present invention, FIG. 2 is a perspective view of one embodiment of the slider link assembly shown in FIG. 1, and FIG. 3 is a slider link shown in FIG. 2. 4 is an exploded perspective view of the assembly, FIG. 4 is a partial cross-sectional view of portion A shown in FIG. 2, and FIG. 5 is a partial cross-sectional view of portion B shown in FIG. 2.

Semi-automatic slider assembly for a mobile phone according to the present invention, the fixed plate 110, the sliding plate 120 and the slider link assembly 200.

The fixing plate 110 is fixedly installed on one side of the main body of the mobile phone, and is bent in two stages so that the first and second guide grooves 111a and 112a are formed inwards on both sides to guide the linear motion. The first and second guide parts 111 and 112 are provided. In addition, a first hole 113 is formed at an inner predetermined position between the first and second guide parts 111 and 112 so that the other end is rotatably supported by the first fixing pin P1 of the slider link assembly 200. It is.

In addition, the first and second guide grooves (111a, 112a) is inserted into both sides in the longitudinal direction of the sliding plate 120, the first and second guide grooves (114a, 115a) are formed to guide the sliding 2 guide bushes 114, 115 may be further installed. The first and second guide bushes 114 and 115 provided in this way are provided to prevent both sides in the longitudinal direction of the sliding plate 120 which is repeatedly sliding operated from being worn by the operation friction. Therefore, any one can be used as long as it is wear-resistant and has a low coefficient of kinetic friction that can be used for a long time without frequent replacement.

The sliding plate 120 is guided to the first and second guide parts 111 and 112 of the fixed plate 110, and the first and second bent parts 121 and 122 bent at both sides to be constrained so as to perform a linear motion. It is formed, and is provided in the opposing surface of one surface of the cover of a mobile phone. In addition, a second hole 123 is formed at an inner predetermined position between the first and second bent portions 121 and 122 so that the other end of the slider link assembly 200 is rotatably supported by the second fixing pin P2. Formed.

As shown in FIG. 2, the slider link assembly 200 includes a first link slider 210, a second link slider 220, and a plurality of tension springs 230.

The first link slider 210 is plate-shaped, made of metal, manufactured by pressing, and includes a first link part 211 having a first sliding surface 216 formed from one end to the other end in the longitudinal direction, and the first link slider 210. A first spring fixing part 212 is formed to secure the plurality of tension springs 230 by extending laterally from one end of the link part 211. In addition, at one end of the first link portion 211, a first hinge groove 215, which is a hinge connection portion, is formed at one end to be rotatably fitted into the first hole 113 of the fixing plate 110.

In addition, a first guide slot 214 is formed in the first link portion 211 of the first link slider 210 along the longitudinal direction. The first guide slot 214 is provided with a second bent portion 223 that is bent at a predetermined angle on the opposite surface of the second link slider 220 and has an inclined surface. The first and second link sliders 210 and 220 coupled by the first guide slot 214 and the second bent portion 223 installed as described above may guide movement in the longitudinal direction and prevent separation. At this time, the first guide slot 214 is a first slot 214b and a second bent portion 223 to be inserted into the inner circumferential surface of the second bent portion 223 and penetrate a predetermined length in the longitudinal direction. A first matching through hole 214b having a width larger than that of the first slot 214b is provided. In addition, the first inclined surface 214c is formed in the first slot 214b in contact with the inclined surface that is bent at a predetermined angle of the second bent portion 223 on the inner surface in the longitudinal direction. Therefore, the second bent portion 223 slides in surface contact with the smooth first inclined surface 214c, thereby reducing the occurrence of noise during sliding.

In addition, a first bent portion 213 bent at a predetermined angle is formed to be inserted into the second guide slot 224 facing the first guide slot 214 at a position spaced apart by a predetermined distance in the longitudinal direction.

In addition, the first spring fixing part 212 is formed with a plurality of first coupling grooves 217 to install the plurality of tension springs 230. The first coupling groove 217 is a first locking groove 217a on which the locking portion 231 of the tension spring 230 is caught, and a first locking jaw 217b which fixes the locking portion 231 so as not to be caught. ) And a first guide groove 217c extending toward the center of the tension spring 230.

The second link slider 220 is slidably constrained in the longitudinal direction of the first link slider 210, is plate-shaped, made of metal, and manufactured by pressing. In addition, the second link portion 221 having the second sliding surface 226 formed from one end to the other end in the longitudinal direction, and extends laterally from one end of the second link portion 221 to have a plurality of tension springs ( The second spring fixing part 222 is formed to fix the 230. In addition, a second hinge groove 225, which is a hinge connection portion, is formed at one end of the second link portion 221 so as to be pivotally fitted into the second hole 123 of the sliding plate 120.

In addition, a second guide slot 224 is formed in the second link portion 221 of the second link slider 220 along the longitudinal direction. The second guide slot 224 is provided with a first bent portion 213 that is bent at a predetermined angle on an opposite surface of the first link slider 210 and has an inclined surface. The first and second link sliders 210 and 220 coupled by the second guide slot 224 and the first bent portion 213 installed as described above may guide movement in the longitudinal direction and prevent separation. At this time, the second guide slot 224, the second slot 224b and the second bent portion 213 inserted into the inner circumferential surface of the first bent portion 213 through a predetermined length in the longitudinal direction so that the second bent portion 213 can be inserted A second type of through hole 224b having a width larger than that of the second slot 224b is provided. In addition, the second inclined surface 224c is formed in the second slot 224b so as to be in contact with the inclined surface that is bent at a predetermined angle of the first bent portion 213 on the inner surface in the longitudinal direction. Therefore, since the first bent portion 213 is brought into surface contact with the smooth second inclined surface 224c, the noise is reduced.

In addition, a second bent portion 223 bent at a predetermined angle is formed to be inserted into the first guide slot 214 opposite to the second guide slot 224 at a predetermined distance apart from the second guide slot 224.

In addition, the second spring fixing part 222 is provided with a plurality of second coupling grooves 227 to install the plurality of tension springs 230. The second coupling groove 227 has a second fixing groove 227a on which the locking portion 231 of the tension spring 230 is caught, and a second locking jaw 227b which fixes the locking portion 231 so as not to be caught. ) And a second guide groove 227c extending toward the center of the tension spring 230 is formed.

The second coupling groove 227 preferably has the same shape as the first coupling groove 217, and the first and second coupling grooves 217 and 227 are not limited thereto, and the tension spring 230 may not be separated. Any structure can be used as long as the shape can be supported.

As described above, the first bent portion 213 of the first link slider 210 is inserted into the second guide slot 224 of the opposing second link slider 220 to slide along the length direction, and the second link The second bent portion 223 of the slider 220 is inserted into the first guide slot 213 of the opposing first link slider 210 to guide the movement in the longitudinal direction and restrain it from being separated.

In this case, in order for each of the link sliders 210 and 220 to be stably operated, the first and second bent portions 213 and 223 may be operated by being constrained to both inner peripheral surfaces of the first and second guide slots 214 and 224 in the longitudinal direction. It is preferable that they can be formed alternately one by one, of course. In addition, since the inner circumferential surfaces of the first and second bent portions 213 and 223 are bent obliquely, both inner circumferential surfaces of the first and second guide slots 214 and 224 which are in contact with the first and second bent portions 213 and 223 are along the length direction of the first and second inclined surfaces 214c, It is preferable to form 224c).

4 and 5, the inclined surfaces of the first and second bent portions 213 and 223 are bent at a predetermined angle, and the respective inclined surfaces of the first and second guide slots 214 and 224 opposed to and in contact therewith. Since 214c and 224c slide in surface contact, they operate smoothly and have low noise. In addition, since the bent portion is formed by cutting a portion of the link slider, it is easy to process, and accordingly, the manufacturing cost can be reduced.

Both ends of the plurality of tension springs 230 are formed with a locking portion 231 is reduced than the outer diameter of the central portion. Therefore, the locking portion 231 at one end of the tension spring 230 is inserted into the second fixing groove 227a of the second link slider 220 to be fixed so as not to be separated by the second locking jaw 227b, and the other end thereof. The engaging portions 231 formed in the first insertion grooves 217a of the first link slider 210 are respectively fixed so as not to be separated by the second locking jaw 217b. As such, the locking portions 231 at both ends of the tension spring 230 can be easily fixed to the first and second fixing grooves 217a and 227b of the first and second spring fixing portions 212 and 222 corresponding thereto. Since the first and second locking jaws 217b and 227b formed in the first and second fixing grooves 217a and 227b fix the locking portions 231 at both ends of the tension spring 230, the tension spring ( 230 can be prevented from being separated.

In the embodiment of the present invention, the outer diameters of the locking portions 231 at both ends inserted into the first and second fixing grooves 217a and 227b are formed to be smaller than the outer diameter of the central portion. Of course, the outer diameter of 231 may be increased.

The slider link assembly 200 according to the present invention includes first and second springs formed on the first and second spring fixing parts 212 and 222 of the first and second link sliders 210 and 220 installed so that the plurality of tension springs 230 are symmetrical. It is fixed to the two coupling grooves (217, 227), it is possible to operate the sliding of the first and second link sliders (210, 220) stably. In addition, the engaging portions 231 at both ends of the plurality of tension springs 230 are first and second link sliders so as to always apply an elastic force in a direction in which the lengths of the first and second link sliders 210 and 220 constrained to slide are increased. Since the first and second coupling grooves 217a and 227b of 210 and 220 are fixed, the sliding plate 120 can be always kept up / down with respect to the fixing plate 110.

An embodiment of the present invention described above and shown in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention as long as it will be apparent to those skilled in the art.

1 is a state of use of the embodiment of the slider link assembly having a tension spring according to the present invention

FIG. 2 is a perspective view of one embodiment of the slider link assembly shown in FIG. 1. FIG.

3 is an exploded perspective view of the slider link assembly shown in FIG.

4 is a partial cross-sectional view of portion A shown in FIG.

5 is a partial cross-sectional view of portion B shown in FIG.

6 is a perspective view of a slider assembly for a conventional sliding type mobile phone

≪ Brief Description of Drawings &

110 Fixed plate 111,112 First and second guide part

113 1st hole 114,115 1st and 2nd guide bush

120 Sliding Plate 121,122 First and Second Bends

200 Slider Link Assembly 210, 220 First and Second Link Sliders

211, 221 First and second linkages 212, 222 First and second spring fasteners

213, 223 First and Second Bends 214, 224 First and Second Guide Slots

215, 225 First and second hinge grooves 216, 226 First and second sliding surfaces

217, 227 First and second engaging groove 230 Tension spring

231 locking section

Claims (7)

First and second spring fixing portions for securing the springs at one end thereof are laterally extended and hinged portions are formed at the other end thereof, and are guided to slide in the longitudinal direction and constrained not to be separated from each other. With the link slider, A slider link assembly comprising a plurality of tension springs, each end of which is fixed to a spring fixing portion of the first and second link sliders. In the first and second link sliders, first and second guide slots for guiding sliding in the longitudinal direction are formed in the longitudinal direction, respectively, and guide slots opposed to the positions spaced at a predetermined distance from the guide slot in the longitudinal direction. And a first bend and a second bend, each inserted at a predetermined angle toward the opposing link slider to guide the longitudinal movement and to prevent separation. The method of claim 1, The first and second link sliders are made of a plate-shaped metal, Slider link assembly, characterized in that the first and second bent portion formed by bending a part of the cut portion of the link slider. The method according to claim 1 or 2, Slider link assembly, characterized in that the inclined surface is formed on the inner surface in the longitudinal direction of the first and second guide slot in contact with the inclined surface of the bent portion. The method of claim 3, The first bent portion of the first link slider is formed by bending a pair at regular intervals so as to be respectively restrained on both inner surfaces of the second guide slot in the longitudinal direction, The second bent portion of the second link slider, the slider link assembly, characterized in that formed in a pair at regular intervals to be constrained to both inner surfaces in the longitudinal direction of the first guide slot. The method of claim 4, wherein Slider link assembly, characterized in that the through-hole for forming having a width larger than the width of the guide slot is inserted into the end of the first guide slot and the second guide slot to combine the first and second link slider . The method according to claim 1 or 2, The plurality of tension springs are formed on both ends of the engaging portion is reduced in diameter, The first and second link sliders are provided with coupling grooves formed on opposite surfaces extending from the other end in the lateral direction, respectively, installed in the respective coupling grooves, and engaging portions formed at both ends of the plurality of tension springs are inserted and fixed. Slider link assembly comprising a spring fixing formed with a plurality of fixing grooves for. The method of claim 6, Slider link assembly, characterized in that the engaging jaw is formed at the end of the engaging groove of the spring fixing portion to be fitted to the engaging portion is reduced in diameter of the tension spring.
KR20080008105U 2008-06-17 2008-06-17 Sliding link assembly having extension spring KR200450975Y1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR20080008105U KR200450975Y1 (en) 2008-06-17 2008-06-17 Sliding link assembly having extension spring
PCT/KR2009/003136 WO2009154373A2 (en) 2008-06-17 2009-06-11 Slider link assembly having a tension spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20080008105U KR200450975Y1 (en) 2008-06-17 2008-06-17 Sliding link assembly having extension spring

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KR20090013050U KR20090013050U (en) 2009-12-28
KR200450975Y1 true KR200450975Y1 (en) 2010-11-15

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KR20080008105U KR200450975Y1 (en) 2008-06-17 2008-06-17 Sliding link assembly having extension spring

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WO (1) WO2009154373A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201797673U (en) * 2010-08-24 2011-04-13 新日兴股份有限公司 Slip cover-type pivot device and slip cover-type portable device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200376773Y1 (en) 2004-12-02 2005-03-11 (주)하이텍파츠 Slider assembly for sliding-type moblie phone
KR100686690B1 (en) 2005-09-13 2007-02-26 (주)케이티에프테크놀로지스 Slide type hinge for portable communication terminal
KR100685490B1 (en) 2005-09-13 2007-02-26 (주)케이티에프테크놀로지스 Slide type hinge for portable communication terminal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200396258Y1 (en) * 2005-06-30 2005-09-20 배형근 Sliding system of slide portable terminal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200376773Y1 (en) 2004-12-02 2005-03-11 (주)하이텍파츠 Slider assembly for sliding-type moblie phone
KR100686690B1 (en) 2005-09-13 2007-02-26 (주)케이티에프테크놀로지스 Slide type hinge for portable communication terminal
KR100685490B1 (en) 2005-09-13 2007-02-26 (주)케이티에프테크놀로지스 Slide type hinge for portable communication terminal

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WO2009154373A2 (en) 2009-12-23
KR20090013050U (en) 2009-12-28
WO2009154373A3 (en) 2010-03-04

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