KR100700062B1 - Rotation assembly for portable telephone - Google Patents

Abstract

The present invention relates to a rotary assembly for a mobile phone, the technical problem to be solved is to provide a rotary assembly for a mobile phone that can rotate the liquid crystal screen at various angles in the mobile phone body.

To this end, the gist of the solution according to the present invention is formed in the center, a plurality of grooves are formed at equal intervals along the circumferential surface at the outer periphery of the through hole, the guide groove is formed along the circumferential surface between the grooves A through-hole is formed in the center, and a second through-body formed with at least one protrusion guided in a predetermined direction along the guide groove, the through-hole is formed in the center, and can be coupled to and disconnected from the groove of the first rotor; A rotating assembly for a mobile phone is disclosed, the circumferential surface comprising a dish spring coupled to press the second rotating body toward the first rotating body.

Mobile Phone, Wide Phone, Rotating, Dish Spring

Description

Rotation assembly for mobile phone

1 is a cross-sectional view showing a rotating assembly for a mobile phone according to an embodiment of the present invention.

Figure 2 is a plan view and a cross-sectional view showing a first rotating body of the rotary assembly for a mobile phone of the present invention.

3 is a plan view and a sectional view taken along line 3-3 of FIG.

Figure 4 is a plan view and a cross-sectional view showing a second rotating body of the rotary assembly for a mobile phone of the present invention.

5 is a plan view and a cross-sectional view showing a dish spring of the rotary assembly for a mobile phone of the present invention.

6A to 6D are plan views illustrating a state in which the mobile phone is rotated by 90 °, 180 ° and 270 ° by the rotating assembly of the present invention.

7 is a cross-sectional view showing a method of assembling a rotating assembly for a mobile phone according to an embodiment of the present invention.

8 is a cross-sectional view showing a rotating assembly for a mobile phone according to another embodiment of the present invention.

9 is a cross-sectional view showing a method of assembling a rotating assembly for a mobile phone according to another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100,200; Rotating assembly according to the present invention

110; First rotating body 111; Through

112; Support jaw 113; Bend

114; Groove 115; incline

116; Guide groove 117; Partial Guide

118; Step 119; Fixing hole

120; Second rotating body 121; Through

122; Protrusion 123; Partial turning

124; Fixing hole 130; Dish spring

131; Through 300; Cell phone body

400; LCD screen

The present invention relates to a rotating assembly for a mobile phone, and more particularly to a rotating assembly for a mobile phone that can rotate the liquid crystal screen at various angles in the mobile phone.

In general, mobile phones are developing in the following order: bar type, flip type, folder type, and slide type. In addition, as broadcasting and games have recently been incorporated into mobile phones, so-called 'wide phones', which have been elongated in a uniquely horizontal direction, have been developed and released.

Until now, mobile phones have been a form of long vertical screen for easy handheld. However, this formula is breaking down as satellite and terrestrial mobile multimedia broadcasting (DMB) and various games are coming into mobile phones. In general, in order to receive a broadcast content produced at a ratio of 4 to 3 longer than a height on a mobile phone, the aspect ratio must now be changed to wide like a TV.

The concern of the mobile phone industry lies in this regard. The burden is to create a new phone that is easy to hold and fits in the landscape.

Samsung's satellite DMB mobile phone 'SCH-B100', which has just been released to the market, is the clearest example of this. The product is manufactured in a 'bar' type that is easy to hold and has a square aspect ratio. At first glance, nothing seems new. However, if you pull out another LCD screen hidden behind the main body, the shape of the product is completely different. The liquid crystal screen, which appears as a pocket knife spread, appears with a large 2.2-inch widescreen LCD screen and a 1-megapixel camera attached to it.

SK Teletech's satellite DMB phone is also thought to be decorated with the appearance that maximizes the landscape view function. SK Teletech has not revealed the model name yet, but this product is designed to be used as a slide-type mobile phone in general, but when watching a broadcast, the top plate is pushed up and rotated 90 ° to watch the broadcast on the wide screen.

LG Electronics has not yet released a widescreen mobile phone. However, the satellite DMB phone 'SB-100', which is scheduled to be released soon, was manufactured in a folder type, and a square 2.3 LCD screen was attached to the test. It is not yet possible to mechanically turn the screen horizontally, but it is a transitional implementation to make the screen itself wide. LG Electronics is under internal review to experimentally integrate various types of devices into various DMB terminals.

Pantech & Curitel installed a wide LCD screen on the recently released necklace type MP3 phone 'PH-K2500V (for KTF)' before developing DMB phone. It is part of product design effort to make video more convenient.

Japan's NTT DoCoMo is promoting the DoCoMo Media Design Project, which aims to create a new type of mobile phone based on a combination of TV and mobile devices.

Sanyo is also contemplating designing a new concept that combines a home theater and a mobile phone, and Fujitsu is also developing various types of landscape phones.

On the other hand, as described above, there is a need for a member that rotates the liquid crystal screen by approximately 90 ° to enable horizontal viewing of the liquid crystal screen. For this purpose, a rotation assembly must be interposed to allow rotation between the liquid crystal display and the other member to which it is coupled.

This rotating assembly, referring to Republic of Korea Patent Publication No. 10-2005-0014095 (2005.02.07), a rotary hinge coupled to the rear of the cover, a first support coupled to the rotary hinge, and the first support It consists of a body coupled to. Here, the hinge portion is composed of the fixing portion and the rotating portion again, and the transfer portion and the fixing portion are further coupled on the rotary hinge portion.

Therefore, such a conventional rotary assembly has a number of components, which is expensive in manufacturing and has a complicated method of assembly. Moreover, since the conventional rotating assembly is not a method of rotating elastically, the rotation state of the liquid crystal display is easily twisted even by a small external force.

Meanwhile, referring to Korean Patent Publication No. 10-2003-0036520 (2003.05.09), a mobile phone body, a liquid crystal screen, a rotating shaft connecting the main body and the liquid crystal screen, and installed between the main body and the liquid crystal screen smoothly rotate by magnetic force. Disclosed is a rotating assembly made of a magnetic force member.

However, such a rotating assembly has a disadvantage in that the mechanical structure of the rotating shaft is very weak so that the mobile phone main body and the liquid crystal screen can be separated even with a small force, and also due to the structure between the stopper and the long hole which restricts the rotation, it is approximately 90 ° or more. There is a disadvantage that the LCD screen cannot be rotated. In addition, such a rotating assembly also has a disadvantage that the rotated state of the liquid crystal display is changed even with a small force.

SUMMARY OF THE INVENTION The present invention is to overcome the above-mentioned conventional problems, and an object of the present invention is to provide a rotating assembly for a mobile phone which can rotate the liquid crystal screen of the mobile phone at various angles (90 °, 180 ° and 270 °).

Another object of the present invention is to provide a rotating assembly for a mobile phone which, after the liquid crystal screen is rotated at a predetermined angle, strongly maintains the rotated position.

Rotating assembly for a mobile phone according to the present invention in order to achieve the above object is formed in the center, a plurality of grooves are formed at equal intervals along the circumference of the outer periphery of the through hole, the circumferential surface between the grooves The first rotating body is formed with a guide groove, a through-hole is formed in the center, the second rotatable coupling and separation in the groove of the first rotating body, and at least one protrusion formed in the predetermined direction along the guide groove The rotating body, and a through-hole is formed in the center, the circumferential surface includes a plate spring coupled to press the second rotating body toward the first rotating body.

Here, the groove of the first rotating body may be formed deeper than the guide groove.

In addition, the first rotating body is formed to extend a predetermined length to the upper periphery of the through hole through the through hole of the second rotating body and the plate spring, the upper end of the support jaw the plate spring is separated from the outside In order not to be prevented, the bent portion bent in the outward direction may be formed.

In addition, the support ring penetrating through the through hole of the first rotating body, the second rotating body and the plate spring is further coupled, the bent portion bent in the outward direction so that the plate spring is not separated to the outside of the upper end of the support ring Can be formed.

In addition, four grooves of the first rotating body may be formed at equal intervals.

In addition, between the grooves of the first rotating body, a partial guide groove having a width smaller than the width of the guide groove may be formed.

In addition, a stepped height higher than the partial guide groove may be further formed at an outer circumference of the partial guide groove.

In addition, the groove of the first rotating body may be further formed inclined surface in the circumferential surface direction.

In addition, the second rotating body may be formed with a partial protrusion having a width smaller than the width of the protrusion.

In addition, the second rotary member is formed with a partial protrusion and a protrusion adjacent to the 90 degrees with respect to the origin, so that the first and second rotary bodies can be rotated by 90 degrees.

In addition, the second rotary member may be formed with a partial protrusion and a protrusion adjacent thereto at a 180 ° interval from the origin, such that the first and second rotary bodies may be rotated by 180 °.

In addition, the second rotary member may be formed with a partial protrusion and a protrusion adjacent thereto at an interval of 270 ° from the origin, such that the first and second rotary bodies may be rotated by 270 °.

As described above, the mobile phone rotating assembly according to the present invention can fix the mobile phone body to the first rotating body and the liquid crystal screen to the second rotating body, for example. Then, according to the number of protrusions formed on the second rotating body, the liquid crystal display coupled to the second rotating body can be easily rotated by 90 °, 180 ° or 270 °, respectively.

In addition, in the rotary assembly for a mobile phone according to the present invention, the groove depth of the first rotating body on which the projection of the second rotating body is seated is formed deeper than the depth of the guide groove, and the disc spring rotates the second rotating body firstly. Since the state is strongly pressed on the whole, after the second rotating body (or the first rotating body) is rotated at a predetermined angle with each other, the rotated state does not change easily. For example, after the liquid crystal screen is rotated by approximately 90 °, the rotational state of the liquid crystal screen is not easily changed by the weak external force to keep it in place.

In addition, the rotating assembly for a mobile phone according to the present invention is not only low in manufacturing cost by a simple configuration of the first rotating body, the second rotating body and the plate spring, but also has an advantage of relatively simple assembly method.

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

1, a cross-sectional view of a rotating assembly for a mobile phone according to an embodiment of the present invention is shown.

As shown, the rotary assembly 100 for a mobile phone according to an embodiment of the present invention is installed on the first rotating body 110 and the first rotating body 110, the through-hole 111 in the center and also through the hole The second rotating body 120 having the 121 and the second rotating body 120 are installed to press the second rotating body 120 with a strong force on the second rotating body 120, and also through the through hole 131 is formed of a plate spring 130 formed.

Referring to Fig. 2, there is shown a plan view of a first rotating body of the rotating assembly for a mobile phone of the present invention and a cross-sectional view taken along line 2-2 thereof. Also, referring to FIG. 3, a plan view and a cross sectional view taken along line 3-3 in FIG.

As shown, the first rotating body 110 has a substantially circular through hole 111 formed in the center thereof, and a support jaw 112 extending a predetermined length upward is formed around the circular through hole 111. have. Of course, the support jaw 112 penetrates the through holes 121 and 131 of the second rotating body 120 and the disc spring 130. In addition, at the upper end of the support jaw 112, the bent portion 113 bent at a predetermined angle in the outward direction of the through holes 111, 121 and 131 is further formed so that the disc spring 130 is not separated outward. have. In addition, the outer periphery of the support jaw 112 is formed with a groove 114 having a predetermined depth at equal intervals in the circumferential direction. Such grooves 114 may be formed at, for example, 90 ° intervals from each other about the origin, but the present invention is not limited to such intervals. In addition, the groove 114 has an inclined surface 115 is formed on both sides in the circumferential direction, the inclined surface 115 is a projection of the second rotating body 120 to be described later smoothly seated in the groove 114, or It serves to separate. In addition, three guide grooves 116 are formed between each of the grooves 114, and the depth of the guide grooves 116 is slightly smaller than the depth of the grooves 114. The guide groove 116 is an area in which the protrusion is guided in a predetermined direction when the second rotating body 120 to be described below is rotated. Further, a partial guide groove 117 is formed between two specific grooves 114 of the groove 114 having a width approximately half the width of the guide groove 116. In addition, a step 118 having a depth smaller than the depth of the partial guide groove 117 is formed in the outer region of the partial guide groove 117. Of course, only the partial protrusions of the second rotating body 120 may be guided along the step 118, and protrusions having a larger width may not be guided. That is, the step 118 serves as a kind of stopper for stopping the rotation of the second rotating body 120. In addition, a plurality of fixing holes 119 are formed at both sides of the first rotating body 110, and the liquid crystal screen or the mobile phone body is coupled to the fixing holes 119 later.

Referring to Fig. 4, there is shown a plan view of a second rotating body of the rotary assembly for a mobile phone of the present invention and a cross-sectional view showing 4-4 lines thereof.

As shown, the second rotating body 120 has a through hole 121 formed at the center thereof, and three protrusions 122 and one partial protrusion 123 are formed at equal intervals on the outer circumference of the through hole 121. Formed. The three protrusions 122 and the partial protrusions 123 are areas that are seated and fixed in the recesses 114 of the first rotating body 110, respectively. Of course, the protrusion 122 and the partial protrusion 123 are guided in a predetermined direction along the guide groove 116 of the first rotating body 110. In addition, the partial protrusion 123 is formed to have approximately half the width of the protrusion 122. Therefore, the partial protrusion 123 may be guided in a predetermined direction along the partial guide groove 117 of the first rotating body 110, but the protrusion 122 is predetermined along the partial guide groove 117. It cannot be guided in the direction. Therefore, the mutual rotation angle of the first rotating body 110 and the second rotating body 120 is limited.

In addition, in the drawing, one partial protrusion 123 and three protrusions 122 are formed. Under this structure, the first and second rotors 110 and 120 can be rotated by 90 ° with each other. Do. That is, since the one partial protrusion 123 and the protrusions 122 on both sides adjacent to each other form an angle of 90 °, the second rotating body 120 is approximately 90 with respect to the first rotating body 110. ° can be rotated.

Although not shown in the drawing, two protrusions 122 may be provided in the second rotating body 120. For example, two protrusions 122 may be formed at an angle of 90 ° and an angle of 180 ° with the one partial protrusion 123. In this case, the second rotating body 120 may be rotated by 90 ° on one side with respect to the first rotating body 110, and may be rotated by 180 ° in the opposite direction.

In addition, although not shown in the figure, one protrusion 122 may be provided in the second rotating body 120. For example, only one protrusion 122 may be formed at an angle of 90 ° with the one partial protrusion 123. In this case, the second rotatable body 120 may rotate 90 ° on one side about the first rotatable 110, and 270 ° on the opposite direction.

On the other hand, a plurality of fixing holes 124 are formed at both sides of the second rotating body 120, the fixing hole 124 is coupled to the mobile phone body or the liquid crystal screen in the future.

Referring to Fig. 5, there is shown a plan view of a dish spring of the rotary assembly for a mobile phone of the present invention and a cross section of 5-5 lines thereof.

As shown, the plate spring 130 has a through-hole 131 is formed in the center, and has a curved shape in the shape of a plate substantially in cross section. After the plate spring 130 is coupled to the outside of the support jaw 112, the lower surface of the circumference serves to strongly press the second rotating body 120 toward the first rotating body (110). Furthermore, since the disc spring 130 is pressed toward the second rotating body 120 by the bent portion 113 formed on the support jaw 112 of the first rotating body 110, the bending portion ( It does not escape to the outside of 113). Of course, the second rotating body 120 is also not separated outward by the dish spring 130. Furthermore, since the disc spring 130 is configured to press the second rotating body 120 strongly toward the first rotating body 110, the protrusions 122 and the partial protrusions of the second rotating body 120 are formed. 123 is seated in a stable state in the groove 114 of the first rotating body (110). Of course, the second rotating body 120 does not easily rotate about the first rotating body 110 (or vice versa) by a relatively small force. Moreover, even after the second rotating body 120 is rotated by a predetermined angle, the rotational state is not easily changed by the small force.

6A-6D, top views of the state in which the mobile phone is rotated by 90 °, 180 ° and 270 ° by the rotating assembly of the present invention are shown.

First, as shown in FIG. 6A, the liquid crystal display 400 may be rotated approximately 90 ° counterclockwise about the mobile phone main body 300 by the rotating assembly 100 according to the present invention. In addition, as illustrated in FIG. 6B, the liquid crystal display 400 may be rotated by 90 ° in the clockwise and counterclockwise directions with respect to the mobile phone main body 300.

In addition, as illustrated in FIG. 6C, the liquid crystal display 400 may be rotated by 90 ° and 180 ° in the counterclockwise direction with respect to the mobile phone main body 300. In addition, as illustrated in FIG. 6D, the liquid crystal display 400 may be rotated 270 ° counterclockwise about the mobile phone main body 300.

Here, it is natural that the rotational state is determined by the number of the protrusions 122 formed on the second rotating body 120 and the forming angle between the protrusions 122 about the origin as described above.

Referring to Figure 7, there is shown a method of assembling a rotating assembly for a mobile phone according to an embodiment of the present invention.

As shown, the bent portion 113 is not formed in the support jaw 112 of the first rotating body 110 before assembly. The second rotating body 120 and the plate spring 130 are formed in the support jaw 112 of the first rotating body 110 such that the through-holes 121 and 131 are sequentially formed. In this state, by bending the upper end of the support jaw 112 of the first rotating body 110 in the outward direction to form the bent portion 113, the bent portion 113 is lowered to the disc spring 130 To pressure. That is, the plate spring 130 closely contacts the second rotating body 120 to the first rotating body 110 and prevents the second rotating body 120 from being separated outward. Of course, the plate spring 130 is also not separated by the bent portion 113 to the outside of the bent portion 113.

8, there is shown a stage shaving of a rotating assembly for a mobile phone according to another embodiment of the present invention. Since the rotary assembly 200 has a structure substantially the same as that of the rotary assembly 100 described above, it will be described based on the difference.

As shown in the rotating assembly 200 for a mobile phone according to another embodiment of the present invention, the support jaw is not formed. Instead, an integral support ring 240 is coupled to the through holes 211, 221, 231 which are formed in common in the first rotating body 210, the second rotating body 220, and the disc spring 230. In addition, the upper end of the support ring 240 is further formed a bent portion 241 bent in the outward direction. Therefore, by the support ring 240 and the bent portion 221 formed therein, the disc spring 230 causes the second rotating body 220 to press the first rotating body 210 strongly. Of course, the second rotating body 220 is not separated to the outside by the dish spring 230. In addition, the disc spring 230 is not separated to the outside by the bent portion 241 of the support ring 240.

9, a method of assembling a rotating assembly for a mobile phone according to another embodiment of the present invention is shown.

As shown, the second rotating body 220 and the plate spring 230 on which the through holes 221 and 231 are formed are placed on the first rotating body 210 on which the through holes 211 are formed. In such a state, the support ring 240 having a bent portion 241 in the through holes 211, 221, 231 of the first rotating body 210, the second rotating body 220, and the disc spring 230. ), The bent portion 241 pushes the dish spring 230 in the downward direction. That is, the plate spring 230 is in close contact with the second rotating body 220 to the first rotating body 210, and at the same time so that the second rotating body 220 is not separated to the outside. Of course, the bent portion 241 is also not separated from the spring spring 230 to the bent portion 241.

As described above, the mobile phone rotating assembly according to the present invention can fix the mobile phone body to the first rotating body and the liquid crystal screen to the second rotating body, for example. Then, according to the number of protrusions formed on the second rotating body, the liquid crystal display coupled to the second rotating body can be easily rotated by 90 °, 180 ° or 270 °, respectively.

In addition, in the rotary assembly for a mobile phone according to the present invention, the groove depth of the first rotating body on which the projection of the second rotating body is seated is formed deeper than the depth of the guide groove, and the disc spring rotates the second rotating body firstly. Since the state is strongly pressed on the whole, after the second rotating body (or the first rotating body) is rotated at a predetermined angle with each other, the rotated state does not change easily. For example, after the liquid crystal screen is rotated by approximately 90 °, the rotational state of the liquid crystal screen is not easily changed by the weak external force to keep it in place.

In addition, the rotating assembly for a mobile phone according to the present invention is not only low in manufacturing cost by a simple configuration of the first rotating body, the second rotating body and the plate spring, but also has an advantage of relatively simple assembly method.

What has been described above is only one embodiment for carrying out the rotary assembly for a mobile phone according to the present invention, the present invention is not limited to the above-described embodiment, the subject matter of the present invention as claimed in the following claims Without departing from the technical spirit of the present invention to the extent that any person skilled in the art to which the present invention pertains various modifications can be made.

Claims (12)

delete delete A through hole is formed in the center, and a plurality of grooves are formed at equal intervals along the circumferential surface of the outer circumference of the through hole, and the first rotating body having guide grooves formed along the circumferential surface between the grooves; A second rotating body having a through-hole formed in the center thereof, the second rotating body having at least one protrusion guided in a predetermined direction along the guide groove, which may be coupled to and separated from the recess of the first rotating body; A through-hole is formed in the center, the circumferential surface includes a plate spring coupled to press the second rotating body toward the first rotating body, The groove of the first rotating body is formed deeper than the guide groove, and the first rotating body extends a predetermined length upwardly around the through hole to form a supporting jaw passing through the through hole of the second rotating body and the dish spring. The upper end of the support jaw rotating assembly for a mobile phone, characterized in that the bent portion is bent in the outward direction so that the plate spring is not separated outward. According to claim 3, wherein the support ring through the through-hole of the first rotating body, the second rotating body and the plate spring is further coupled, the upper end of the support ring in the outward direction, so that the plate spring is not separated outward Rotating assembly for a mobile phone, characterized in that the bent portion further formed. The rotating assembly for a mobile phone according to claim 3, wherein four grooves of the first rotating body are formed at equal intervals. The rotating assembly for a mobile phone according to claim 3, wherein a partial guide groove having a width smaller than the width of the guide groove is formed between the grooves of the first rotating body. The rotary assembly of claim 6, wherein a stepped height is further formed at an outer circumference of the partial guide groove. The rotating assembly for a mobile phone according to claim 3, wherein the groove of the first rotating body further has an inclined surface in a circumferential direction. The rotating assembly for a mobile phone according to claim 3, wherein the second rotating body has a partial protrusion having a width smaller than that of the protrusion. 10. The mobile phone according to claim 9, wherein the second rotatable body has a partial protrusion and a proximal protrusion formed at an interval of 90 ° with respect to an origin, so that the first rotatable body and the second rotatable body rotate at 90 ° to each other. Rotating assembly. 10. The mobile phone according to claim 9, wherein the second rotatable body has a partial protrusion and a proximal protrusion formed at an interval of about 180 degrees from the origin, such that the first rotatable body and the second rotatable body rotate at 180 degrees to each other. Rotating assembly. 10. The mobile phone according to claim 9, wherein the second rotatable body has a partial protrusion and a proximal protrusion formed at an interval of about 270 ° with respect to the origin, such that the first and second rotatable bodies rotate by 270 ° with each other. Rotating assembly.

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