KR100761663B1 - Swing type opening and closing device for mobile terminal - Google Patents

Abstract

The first fixing body is formed in a plate shape and a hollow shaft part is formed at the center, and an assembly hole is formed in the plate shape and the hollow shaft part is rotatably assembled so as to be semi-automatically rotated and the overall thickness is thin and the parts are minimized. It is formed protruding on the second fixing body and the surface toward the first fixing body of the second fixing body, rotates about the hollow shaft portion of the first fixing body, has an apple cross-sectional shape, and the center is eccentric with respect to the hollow shaft portion. A cam having a cam surface formed on a circumferential surface thereof, a slide table installed so as to be able to move forward and backward from one side of the first stationary body to the cam, a roller rotatably installed on the slide table and in rolling contact with the cam surface of the cam, Provided is a swing-type cover opening and closing device for a mobile terminal, comprising an elastic member that always applies a force in a direction close to the cam.

Description

Swing-type cover opening and closing device for mobile terminal {Opening and Closing Device for Swing Type Cover of Cell Phone}

1 is an assembled perspective view showing an embodiment of a swing-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 2 is an exploded perspective view showing an embodiment of a swing-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 3 is a side cross-sectional view showing an embodiment of a swing-type cover opening and closing device for a mobile terminal according to the present invention.

Figure 4 is a planar cross-sectional view showing a state of closing the cover of the portable terminal in one embodiment of a swing type cover opening and closing device for a mobile terminal according to the present invention.

Figure 5 is a perspective view showing a second fixing body in one embodiment of a swing-type cover opening and closing device for a mobile terminal according to the present invention.

6 is a cross-sectional view taken along the line A-A of FIG.

7 is a cross-sectional view taken along the line B-B in FIG.

8 is a planar cross-sectional view showing a state in which the cover of the portable terminal is opened 180 degrees in one embodiment of the swing type cover opening and closing device for a portable terminal according to the present invention.

9 is a side cross-sectional view showing a state in which the cover of the portable terminal is opened 180 degrees in one embodiment of a swing type cover opening and closing device for a mobile terminal according to the present invention.

10 is a perspective view showing a cam in another embodiment of a swing type cover opening and closing device for a mobile terminal according to the present invention.

11 is a plan sectional view showing a state in which the cover of the portable terminal is closed in another embodiment of the swing type cover opening and closing device for the portable terminal according to the present invention.

12 is a plan sectional view showing a state in which the cover of the portable terminal is opened at 90 degrees in another embodiment of the swing type cover opening and closing device for the portable terminal according to the present invention.

14 is a plan sectional view showing a state in which the cover of the portable terminal is opened by 180 degrees in another embodiment of the swing type cover opening and closing device for the portable terminal according to the present invention.

The present invention relates to a swing-type cover opening and closing device for a mobile terminal, and more particularly, it is possible to open the cover semi-automatically, which makes it easier to use and improves productivity due to the simplification of the structure and the reduction of the number of parts and the manufacturing cost. The present invention relates to a swing type cover opening and closing device for a portable terminal.

In general, a mobile terminal such as a mobile phone, PDA, notebook, DMB phone is widely used to use a service such as communication and broadcasting wirelessly while moving in a place that is not a fixed location.

The portable terminal is one of the essential necessities necessary to enjoy the convenience of life according to the development of the information industry, and the situation is gradually expanded from the elementary, middle and high school students to the elderly in the user.

As described above, as the demand and user base rapidly increase in recent years, the mobile terminal has continuously expected a product to which a new design or function is given.

Therefore, manufacturers and manufacturers of portable terminals have been continuously researched and developed to meet the consumer's expectations as described above. As one of them is well known, a swing type cover which can open and close a cover by a swing method is well known. Developing switchgear has attracted great popularity to consumers.

In particular, most of the swing cover opening and closing device for the conventional mobile terminal is configured to open and close the cover semi-automatically, which is an obstacle to the miniaturization and slimming of the mobile terminal due to the increase in size and thickness of the product and the number of parts. Therefore, there is an urgent need for technology development to solve these problems.

The present invention has been made in view of the above-mentioned, semi-automatically opening and closing the cover to improve the user's convenience, it is made of a thin and simple structure to provide a swing-type cover opening and closing device for a mobile terminal suitable for slimming and light weight of a mobile terminal. There is a purpose.

The swing-type cover opening and closing device for a mobile terminal proposed by the present invention includes a first fixing body having a plate shape and a hollow shaft portion formed at the center thereof, and an assembly hole formed of a plate shape and rotatably assembled with the hollow shaft portion. A second fixing body and a cam surface protruding from a surface facing the first fixing body of the second fixing body, rotating around the hollow shaft portion of the first fixing body, and having a center eccentric with respect to the hollow shaft portion. A cam, a slide table installed so as to be able to move forward and backward from the one side of the first fixing body to the flat surface, a roller rotatably installed on the slide table and in rolling contact with the cam surface of the cam; It includes an elastic member that always exerts a force in the direction close to the cam.

The cam surface of the cam is formed by forming a closed stop cam surface portion and an open stop cam surface portion on which the roller is seated at intervals of 180 degrees on a rotating cam surface portion formed in a circular or elliptical shape, respectively.

A groove portion of a “U” shape is formed on a surface of the first fixing body facing the second fixing body.

The groove portion is a semi-circular rotary groove portion formed so that the cam is rotatably positioned and concentric with the hollow shaft portion, and a rectangular straight line extending to a linear portion of the rotary groove portion and the slide table is slidably installed. It is made up of grooves.

In the groove portion of the first fixing body in the outer groove of the rotary groove portion is formed between the rotary groove and the boundary jaw is formed an arc-shaped rail groove formed at an angle of more than 180 degrees, the second fixed body In the surface facing the first fixing body in the semicircular engaging piece is formed protruding at an angle of less than 180 degrees around the cam in the position staggered with the rail groove, the rail groove is a stopper sliding in the clockwise or counterclockwise direction It is also possible to be installed.

The stopper guides the rail groove in a state in which the roller is caught at the end of the engaging piece when the cam is rotated by 180 degrees in a direction in which the roller is located in the open stop cam face portion of the cam face in the cam. It slides.

In addition, the present invention may be formed on the cam surface of the cam by a pair of auxiliary open stop cam surface portions 90 degrees apart from the closed stop cam surface portion and the open stop cam surface portion.

Next, a preferred embodiment of a swing type cover opening and closing device for a mobile terminal according to the present invention will be described in detail with reference to the drawings.

First, an embodiment of the swing-type cover opening and closing device for a portable terminal according to the present invention is made of a plate shape, as shown in Figures 1 to 4, the first fixed body 10 having a hollow shaft portion 12 is formed in the center And a second fixing body 20 formed in a plate shape and having an assembly hole 22 in which the hollow shaft part 10 is rotatably assembled, and formed in the second fixing body 20 and having a first height. Cam 30 that rotates about the hollow shaft portion 12 of the stagnation 10, the slide table 40 is installed to be able to move forward and backward toward the cam 30, and the slide table 40 rotatably A roller 50 which is installed and makes rolling contact with the cam surface 32 of the cam 30, and the elastic member 60 which always applies a force in the direction in which the slide table 40 approaches the cam 30. It is made to include.

The first fixing body 10 is formed in a substantially rectangular plate shape and is fixed to the body 3 of the portable terminal 2.

A groove portion having a “U” shape is formed on a surface of the first fixing body 10 facing the second fixing body 20.

The groove portion is formed by extending the straight portion of the semi-circular rotary groove portion 16 and the cam 30 is formed so as to be rotatable inside the concentric with the hollow shaft portion 12, The slide table 40 is composed of a rectangular linear groove portion 14 which is slidably installed.

The second fixing body 20 is formed in a substantially disk shape and is fixed to the cover 6 of the portable terminal 2.

At the corners of the second fixing body 20, fixing pieces 24 having a fixing hole 26 in the center are fixed at predetermined intervals in order to be fixed to the cover 6 of the mobile terminal 2. It is formed in place.

Although not shown, the first fixing body 10 may be fixed to the cover 6 of the mobile terminal 2, and the second fixing body 20 may be fixed to the main body 3.

The mobile terminal 2 is widely known as a mobile phone, and the main body 3 is mainly provided with a key input unit 4 and a talker unit 5, and the cover 6 is mainly a receiver 7 and a display. Part 8 and the like are provided.

In the above, the first fixing body 10 and the second fixing body 20 are connected to each other using the hinge shaft 70.

The hinge shaft 70 penetrates through the assembly hole 22 of the second fixing body 20 and is coupled to the hollow shaft portion 12 of the first fixing body 10 and the shaft portion 72. It consists of a flange portion (74) integrally formed at the end portion coupled to the second fixing body (20) of the tube portion (72).

The insertion groove 23 through which the flange portion 74 of the hinge shaft 70 is inserted is formed around the assembly hole 22 on the opposite side of the cam 30 of the second fixing body 20.

The cam 30 protrudes from a surface of the second fixing body 10 toward the first fixing body 20.

As shown in FIGS. 4 and 5, the cam 30 is provided with a cam surface 32 whose center is eccentrically positioned with respect to the hollow shaft portion 12 of the first fixing body 10.

For example, the cam surface 32 of the cam 30 has a closed stop cam surface portion 34 and an open stop on which the roller 50 is seated at intervals of 180 degrees to a rotating cam surface portion 33 having a circular or elliptical shape. This is achieved by forming cam surface portions 35, respectively.

A washer member 80 may be installed between the cam 30 and the first fixing body 10.

When the washer member 80 is installed as described above, the friction between the first fixing body 10 and the cam 30 is reduced and the damage caused by the friction is prevented.

One side of the first fixing body 10 is the slide table 40 is installed.

A hinge hole 42 is formed at the center of the slide table 40 so that the roller 50 is rotatably coupled using a hinge pin 52 or the like.

As shown in Figure 2 and 6, the slide table 40 is installed in the linear groove portion 14 of the groove portion of the first fixing body 10 is guided to one side to protrude to one side to slide while being guided The projection 45 is formed.

At least one linear guide groove 15 slidingly moving is formed in the linear groove portion 14 of the first fixing body 10 by inserting and guiding the guide protrusions 45 of the slide table 40, respectively.

The roller 50 is made using a bearing or the like to minimize friction during rotation.

The elastic member 60 is made using a pair of tension coil springs.

In the elastic member 60, one end portion is supported at both ends of the slide table 40, and the other end portions are supported at both sides of the slide plate 40 opposite to the slide plate 40 of the first fixing body 10, respectively. do.

In the first fixing body 10 and the slide table 40, the support rings 19 and 49, which are supported by the elastic member 60, are formed, respectively.

In one embodiment of the swing-type cover opening and closing device for a mobile terminal according to the present invention made as described above, as shown in Figs. 2, 5 and 7, the outer groove 16 of the first fixing body 10 outside It is formed with the boundary jaw 17 on the side, and an arc-shaped rail groove 18 is formed at an angle of 180 degrees or more, and the surface facing the first fixing body 10 of the second fixing body 20 is A semicircular engaging piece 29 is formed to protrude from the rail groove 18 and the cam 30 in a staggered position at an angle of 180 degrees or less, and the rail groove 18 slides clockwise or counterclockwise. It is also possible to provide the stopper 90.

The stopper 90 is 180 degrees in the direction in which the roller 50 is located on the open stop cam surface portion 35 in a state where the roller 50 is located on the closed stop cam surface portion 34 of the cam surface 32. When the cam 30 rotates, it is guided and slides in the rail groove 18 in a state of being caught by the end of the locking piece 29.

The stopper 90 is made of a shock absorbing material (rubber or synthetic resin, etc.).

And another embodiment of the swing-type cover opening and closing device for a portable terminal according to the present invention, as shown in Figure 10, a pair of auxiliary open stop cam surface portion 36 is closed on the cam surface 32 of the cam 30 The stop cam surface portion 34 and the open stop cam surface portion 35 are further formed at 90 degree intervals, respectively.

When the auxiliary open stop cam surface portion 35 is formed, as shown in FIGS. 11 to 13, the cam 30 can be stopped even when rotated 90 degrees in a clockwise or counterclockwise direction, so that the cover of the portable terminal 2 is closed. This is convenient when it is necessary to stop (6) laterally.

Also in the above-described other embodiments, the present invention can be implemented in the same configuration as the above-described embodiment except for the above-described configuration, and thus detailed description thereof will be omitted.

Next, the operation of the swing-type cover opening and closing device for a mobile terminal according to the present invention will be described in detail with reference to the drawings.

First, when the cover 6 of the portable terminal 2 is closed and the cover 6 is applied to the cover 6 in a clockwise direction, the second fixing body 20 and the cam 30 rotate together and the second height is increased. The stopper 90 starts to rotate in the guide groove 18 by the locking piece 29 of the stagnation 20 (see FIGS. 3, 4, and 6).

As the roller 50 starts to rotate as described above, the roller 50 moves backwards at the same time as it rotates and starts to exit the closed stop cam surface portion 34. Accordingly, the slide table 40 moves backward and the elastic member 60. Tension is achieved.

Subsequently, when the rotational force is applied to the cover 6, the roller 50 completely exits from the closed stop cam surface portion 34 and starts to rotate on the rotation cam surface portion 33.

Then, the slide table 40 continues to move backwards, and the elastic member 60 continues to be tensioned.

When the rotational force applied to the cover 6 in the above state is removed, the cam 30 continues to rotate on the rotating cam surface part 33 and accordingly the second fixing body 20 Rotation takes place. In addition, the cover 6 and the stopper 90 to which the second fixing body 20 is fixed are rotated 180 degrees.

As the roller rotates as described above, the roller 50 is inserted into the open stop cam surface portion 35 of the cam 30 and the stopper 90 arrives at the end of the rail groove 18. ) Stops the rotation of the second fixing body 20 and the opening of the cover 6 is completed (see FIGS. 8 and 9).

When the cover 6 is closed again in a state where the opening of the cover 6 is completed, when a force is applied to the cover 6 in a counterclockwise direction, the operation of each part is performed in the reverse order of opening the cover 6, and the cover 6 is closed. In the case of the stopper 90, the movement stops and moves to the opposite side only when the reverse rotation is performed.

When the auxiliary open stop cam surface portion 36 is formed on the cam surface 32 of the cam 30, the rotation of the lid 6 is stopped even when the cam 30 is rotated 90 degrees. ~ See FIG. 13)

In the above, the operation process of rotating the cover 6 of the portable terminal 2 in the clockwise direction in the swing-type cover opening and closing device for the portable terminal according to the present invention has been described, but in the case of rotating in the counterclockwise direction as well. As it works, detailed description is omitted.

In the above described a preferred embodiment of the swing-type cover opening and closing device for a mobile terminal according to the present invention, the present invention is not limited to this, but the claims and the detailed description of the invention, various modifications within the scope of the accompanying drawings It is possible to implement, and this is also within the scope of the present invention.

According to the swing-type cover opening and closing device for a mobile terminal according to the present invention made as described above, it is possible to open and close the cover semi-automatically and rotate clockwise or counterclockwise to improve user convenience.

In addition, it is also possible to stop the rotation of the cover in a 90-degree and 180-degree rotated state, it is very convenient when taking pictures such as fixing the screen of the cover horizontally.

According to the swing-type cover opening and closing device for a portable terminal according to the present invention, since the first and second fixing bodies have a plate shape, the overall thickness becomes thin, so it is suitable for slimming and lightweighting of a mobile terminal and is easy to design a mobile phone. It becomes easy.

Furthermore, since assembly is improved by minimizing parts, it is possible to reduce manufacturing costs.

Claims (7)

A first fixing body formed in a plate shape and having a “U” shaped groove portion at one side thereof and a hollow shaft portion formed at one center of the groove portion, and an assembling hole having a plate shape and rotatably assembled with the hollow shaft portion. The second fixing body is formed, the cam is formed to protrude on the surface toward the first fixing body of the second fixing body and the cam surface is formed of a circular or oval cam, and the guide projection is formed to protrude to one side and the first A slide table provided so as to be able to move forward and backward from the other side of the groove of the fixed body toward the cam, a roller rotatably installed on the slide table and in rolling contact with the cam surface of the cam, and a direction in which the slide table approaches the cam. It includes an elastic member that always exerts force, The groove portion of the first fixing body is a semi-circular rotary groove portion formed so that the cam is rotatably located and concentric with the hollow shaft portion, and is formed extending to the rotary groove portion and the guide protrusion of the slide table is inserted and guided. It includes a rectangular straight groove portion is formed, the sliding linear guide groove, The cam surface of the cam has a rotating cam surface portion formed in a circular or elliptical shape, a closed stop cam surface portion and an open stop cam surface portion formed at intervals of 180 degrees to the rotating cam surface portion, and the rollers are seated, and the closed stop cam. Swing-type cover opening and closing device for a mobile terminal comprising a pair of auxiliary open stop cam surface portions formed at 90 degrees apart from the surface portion and the open stop cam surface portion. delete delete delete The method according to claim 1, In the groove portion of the first fixing body is formed an arc-shaped rail groove formed on the outside of the rotary groove portion with the rotary groove portion and the boundary jaw therebetween and formed at an angle of more than 180 degrees, In the second fixing body, the surface facing the first fixing body is formed to protrude a semi-circular engaging piece at an angle of 180 degrees or less around the cam at a position staggered with the rail groove, The rail groove is provided with a stopper sliding in a clockwise or counterclockwise direction, The stopper guides the rail groove in a state in which the roller is caught at the end of the engaging piece when the cam is rotated by 180 degrees in a direction in which the roller is located in the open stop cam face portion of the cam face in the cam. Swing opening and closing device for a mobile terminal that is sliding. The method according to claim 1, A hinge shaft for rotatably connecting the first fixing body and the second fixing body, and a washer member disposed between the first fixing body and the cam, The hinge shaft is formed of a shaft portion which is coupled to the hollow shaft portion through the assembly hole, and a flange portion integrally formed at the end portion of the first fixing body side of the shaft portion, Swing-type cover opening and closing device for a mobile terminal is formed on the opposite side of the cam of the first fixing body is inserted around the assembling hole is inserted into the flange portion of the hinge shaft. delete

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