KR100656392B1 - A swivel hinge device - Google Patents

Abstract

The present invention relates to a swivel hinge device. The present invention includes a base (10) through which a through hole (15) is formed and fixedly installed, and a rotation shaft (21) which is a first rotation center rotated with respect to the base (10). Rotating body (20) having a wing (26, 26 ') having a through hole (25) in communication with the through hole of 15 and having a shaft (27), which is a second center of rotation at both ends, and the rotation (20). An opening / closing body 30 which is rotated with respect to the shaft 27 of the body 20 and fixed to a portion which rotates with respect to the portion where the base 10 is fixed, and between the base 10 and the rotating body 20. It comprises a stopper 22 formed on any one side of the base 10 and the rotating body 20 to regulate the relative rotation range. According to the present invention as described above, the configuration of the swivel hinge device is miniaturized, and the wear between the parts rubbed against each other is minimized, and the damage of the wires installed through the swivel hinge is prevented.

Electronic device, swivel hinge, horizontal rotation, vertical rotation

Description

Swivel hinge device

Figure 1a is a schematic perspective view showing the configuration of a portable electronic device having a swivel hinge according to the prior art.

Figure 1b is a schematic perspective view showing the configuration of a portable electronic device having a swivel hinge of the prior art.

Figure 1c is a perspective view showing that the rear surface of the display unit is overlapped with the main body in the prior art.

Figure 2 is an exploded perspective view showing the configuration of a preferred embodiment of the swivel hinge device according to the present invention.

Figure 3 is a perspective view showing a state in which the swivel hinge device of the embodiment of the present invention is assembled.

Figure 4a is a plan view showing the configuration of an embodiment of the present invention.

Figure 4b is a front view showing the configuration of the embodiment of the present invention.

Figure 4c is a bottom view showing the configuration of an embodiment of the present invention.

5 is a perspective view showing that the swivel hinge device of the embodiment of the present invention is installed in a portable electronic device.

Figure 6 is an operating state showing that the stopper is guided to the stopper surface of the stopper moving end in the embodiment of the present invention.                 

Explanation of symbols on the main parts of the drawings

10: Base 11: Fastener

12: fastener 15: through hole

17: stone 20: rotating body

22: stopper 25: through hole

26, 26 ': wing portion 30: opening and closing body

32: fastener 33: shaft

34: spring fixing slot 35: second pipe spring

36: fixed piece 40: first pipe spring

41: groove 43: fixing piece

50: main body portion 55: display portion

60: first cover 60 ': through hole

61: embossing projection 70: the second cover

75: ablation

The present invention relates to a swivel hinge device, and more particularly, to a swivel hinge device for rotating the display unit in front, rear, left and right directions in an electronic device including the main body and the display.                         

Figure 1 is a schematic perspective view of a configuration of a portable electronic device having a swivel hinge according to the prior art. As shown in the drawing, various parts, such as a main board and a hard disk drive, are provided in the main body 1. The upper surface of the main body 1 is provided with a keyboard 3 which is one of the input devices. The display 5 is connected to one end of the main body 1. LCD is generally used as the display unit 5.

The display unit 5 is rotated to be folded or unfolded with respect to the main body unit 1 and also rotates in the left and right directions when viewed from the front of the main body unit 1. To this end, the main body 1 and the display 5 are connected by a swivel hinge 7.

The swivel hinge 7 is rotated about the rotating plate 7r so that the display unit 5 rotates left and right, and at one end of the connecting plate 7c connected to the rotating plate 7r. In the tangential direction of the circular arc formed by the rotary plate 7r, the center of rotation in the front-rear direction is provided at the edge of (

In such a prior art, the display unit 5 is folded or unfolded with respect to the main body unit 1 around the one end of the connecting plate 7c in other words, in other words, when viewed from the front. Is rotated. At the same time, the display unit 5 is rotated to the left and right based on the left and right rotation center provided in the rotating plate 7r.

Accordingly, the display unit 5 can be rotated to various positions, and in particular, the rear surface thereof can be used in close contact with the upper surface of the main body unit 1, as shown in FIG. 1C. Thus, since the back of the display part 5 can be used in close contact with the main body part 1, it can also be used by having the function of a tablet computer.                         

However, the above-described prior art has the following problems.

When the swivel hinge 7 according to the prior art as described above is employed, the rotating plate 7r is disc-shaped and occupies a large area. Therefore, the keyboard 3 cannot be installed at a width equal to the diameter of the rotating plate 7r from the rear end of the main body 1 toward the tip. In other words, there is a problem in that the left and right regions in which the rotating plate 7r is installed cannot be used on the upper surface of the main body 1.

Therefore, providing a swivel hinge that is relatively compact but rotates smoothly and stably is one of the major problems of researchers in the art, and abrasion problem is raised in a part where friction occurs when the swivel hinge is rotated.

In addition, in order to rotate the display unit 5 in front, rear, left and right with respect to the main body 1, the number of parts constituting the swivel hinge 7 is relatively increased, and the manufacturing cost is high, such as the number of assembly operations is increased. have.

In addition, in the related art, the left and right rotations of the swivel hinge 7 can be made in both directions, so that when the user continuously rotates the display unit 5 in one direction with respect to the main body unit 1, the swivel hinge 7 There is a problem that the wire passing through the) is twisted and damaged.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to provide a relatively compact swivel hinge device while minimizing wear.                         

Another object of the present invention is to provide a swivel hinge device with a minimum number of parts.

Another object of the present invention is to prevent damage to the wires passing through the swivel hinge device.

According to a feature of the present invention for achieving the object as described above, the present invention has a base through which a through-hole is formed and fixed, and a rotation shaft which is a first rotation center rotated with respect to the base and A rotating body having a through hole communicating with the through hole of the base and having a shaft having a shaft which becomes a second center of rotation at both ends thereof, and a portion which rotates with respect to the shaft of the rotating body and the base is fixed to the rotating body shaft; It is configured to include an opening and closing body fixed to the stopper formed on either side of the base and the rotating body to regulate the relative rotation range between the base and the rotating body.

A ring-shaped first pipe spring provided between the opening of the base and the rotating shaft of the rotating body and exerting a predetermined elastic force with respect to the rotation of the rotating shaft, and provided between the shaft and the opening / closing body of the wing part. It further comprises a ring-shaped second pipe spring exerting a predetermined elastic force against the rotation of the shaft.

The stopper is formed on the shaft of the rotating body, the base is provided with a stopper moving end having a stopper surface for guiding the movement of the stopper and having the stopper at both ends.                     

The stopper moving end is formed around the upper edge of the base, and is formed over an angle range larger by an angle equal to the width of the stopper than the angle at which the rotation body is rotated.

According to the swivel hinge device according to the present invention having such a configuration, the size of the swivel hinge device is relatively small in size, but wear due to friction is minimized, and the damage of the electric wire due to the left and right rotation of the display unit is eliminated.

Hereinafter, preferred embodiments of the swivel hinge device according to the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing the configuration of a preferred embodiment of the swivel hinge device according to the present invention, Figure 3 is a perspective view of the assembled state of the swivel hinge device of the embodiment of the present invention, Figure 4 is an embodiment of the present invention An example configuration is shown in plan view, front view and bottom view, and FIG. 5 is a perspective view showing that the swivel hinge device of the embodiment of the present invention is installed in a portable electronic device.

As shown in these figures, the base 10 is fixed to the main body 50 (see FIG. 5), for example. Fastening pieces 11 are formed at edges of the base 10. A fastening hole 12 is drilled in the fastening piece 11. The fastening piece 11 is for fixing the base 10 to the main body.

The stopper moving end 13 surrounding the top center inner edge of the base 10 is formed in a circular shape. Along the stopper moving end 13, the stopper 22 of the rotating body 20 to be described below is guided and moved. The stopper moving end 13 is formed only as long as the rotating body 20 can rotate by 180 ° with respect to the base 10. That is, stopper surfaces 13 'are formed at both ends of the stopper moving end 13, respectively.

On the other hand, the stopper moving end 13 is formed at an angle greater than 180 degrees. This is because an angle equal to the width of the stopper 22 is further required in order for the rotating body 20 to be rotated exactly by 180 °. In the present embodiment, the stopper moving end 13 is formed to be divided by both ends of the stopper moving end 13 to form the stopper moving end 13 corresponding to the width of the stopper 22. By doing so, the rotating body 20 to be described below, which is rotated with respect to the base 10, can be accurately rotated within a predetermined 180 ° section.

A spring fixing slot 14 is formed at one side of the stopper moving end 13. The spring fixing slot 14 is a portion into which the fixing piece 43 of the first pipe spring 40 to be described below is inserted and fixed. The through hole 15 is formed by penetrating the base 10 up and down. The through hole 15 is a portion through which the electric wire 59 connecting between the main body portion and the display portion passes.

A plurality of protrusions 17 are formed below the base 10. The protrusion 17 may be formed in plural numbers, and the protrusions 17 may be formed in different lengths in order to indicate a direction when mounting.

The rotating body 20 is rotatably installed by using the center of the through hole 15 of the base 10 as the center of rotation. To this end, the rotary body 20 is provided with a rotary shaft 21 having an outer diameter slightly smaller than the diameter of the inner circumferential surface of the through hole 15. The rotary shaft 21 is cylindrical. The rotating shaft 21 and the base 10 are configured to rotate the display unit 55 side to side with respect to one hinge portion, that is, the main body portion 50.

A through hole 25 is formed by penetrating vertically through the center of the rotary shaft 21 of the rotary body 20. The through hole 25 is a portion through which the wire 59 passes. The through hole 25 is actually a portion through which the electric wire 59 passes through the base 10 and the rotating body 20 when the rotary shaft 21 is inserted into the through hole 15 of the base 10.

Wing parts 26 and 26 'are formed to extend at both ends of the rotating body 20. The wing portions 26 and 26 'are formed to have a predetermined length. Shafts 27 are provided at the ends of the wings 26 and 26 '. The shaft 27 may be integrally formed at the tip of the wing portions 26 and 26 'or may be separately formed and fixed.

The opening and closing body 30 is rotatably installed on the shaft 27 provided at the tip of the wings 26 and 26 '. A plurality of fastening holes 32 are formed in the opening and closing body 30. A screw is fastened to the inside of the display unit 55 through the fastening hole 32 so that the opening and closing body 30 is integral with the display unit 55. Rotate to

The opening and closing body 30 has a shaft hole 33 is inserted into the shaft 27 is formed. The shaft hole 33 is formed as long as the shaft 27 is inserted in the longitudinal direction of the opening and closing body 30. One side of the shaft hole 33 is a spring fixing slot 34 is formed. Here, the inner diameter of the shaft hole 33 of the opening and closing body 30 is slightly larger than the outer diameter of the shaft 27.                     

In addition, a second pipe spring 35 is installed in the gap between the shaft hole 33 of the opening and closing body 30 and the outer diameter of the shaft 27. The second pipe spring 35 serves to allow the opening and closing body 30 to be rotated only when a predetermined force or more is applied without being arbitrarily rotated with respect to the shaft 27. The second pipe spring 35 is made of a spring steel sheet, for example, SK5. Such a material is characterized by relatively less wear.

The second pipe spring 35 is formed in a ring shape, and one side thereof is opened. The opened one side of the second pipe spring 35 extends in the circumferential direction to form the fixing piece 36. The fixing piece 36 is inserted into the spring fixing slot 34 of the shaft hole 33 to fix the second pipe spring 35 in the shaft hole 33. The second pipe spring 35 may be provided in plural numbers.

On the other hand, the first pipe spring 40 is installed in the gap formed between the inner circumferential surface of the through hole 15 of the base 10 and the outer circumferential surface of the rotary shaft 21 of the rotating body 20. The first pipe spring 40 is also formed in a ring shape, and the fixing piece 43 is formed at one end of the opening. The fixing piece 43 is inserted into a spring fixing slot 14 formed in the stopper moving end 13 of the base 10 so that the first pipe spring 40 has an inner circumferential surface of the through hole 15 of the base 10. To be located at.

The first pipe spring 40 exerts a predetermined elastic force between the base 10 and the rotary shaft 21 to prevent the rotary shaft 21 from rotating arbitrarily with respect to the base 10. Phosphorous friction end 40 ′ is in contact with the surface of the first cover 60 to be described below to give some resistance to the rotation of the rotary shaft 21. The first pipe spring 40 is also manufactured using the same spring steel plate as the second pipe spring 35.

In addition, a groove 41 is formed in the friction end 40 ′ of the first pipe spring 40. The groove 41 is configured to have a 'V' shape, so that the embossing projection 61 of the first cover 60 to be described below is seated so that the rotary shaft 21 of the rotating body 20 can be rotated. When clicked, it gives a feeling of click to feel a certain rotation position.

The first cover 60 is fastened to the lower surface of the rotating body 20. The first cover 60 has a diameter larger than the diameter of the through hole 15 of the base 10, and has a diameter smaller than the outer diameter of the base 10 so as to surround an inner surface of the bottom surface of the base 10. One side edge is seated in the part (not shown). The first cover 60 is also made of a spring steel plate such as the pipe springs.

A through hole 60 ′ is formed at the center of the first cover 60. The through hole 60 'has a shape corresponding to the through hole 25 of the rotating body 20. An embossing protrusion 61 corresponding to the groove 41 formed in the friction end 40 ′ of the first pipe spring 40 is formed in the first cover 60. The embossing protrusion 61 has a shape corresponding to the groove 41. That is, the letter 'V' is inverted. Reference numeral 63 is a fastening hole through which a bolt 77 for fastening the first cover 60 to the rotary shaft 21 passes.

On the other hand, the second cover 70 is in close contact with the lower surface of the first cover 60. The second cover 70 has a through hole 70 ′ having the same shape as the through hole 60 ′ of the first cover 60. These through holes 60 'and 70' are for the penetration of the wire 59. Fastening holes 73 corresponding to the fastening holes 63 of the first cover 60 are respectively drilled in the second cover 70.

An ablation portion 75 is formed in a portion of the second cover 70 that corresponds to the embossing protrusion 61 of the first cover 60. The cutout 75 cuts a portion corresponding to the embossing protrusion 61 of the first cover 60, so that the elasticity of the first cover 60 of the portion of the embossing protrusion 61 is properly maintained. Play a role.

In the drawings, reference numeral 51 denotes a keyboard, 53 denotes an opening formed in the main body 50, and 54 denotes a shielding cap that shields a part of the opening 53. Reference numeral 57 denotes a display screen provided in the display unit 55, and 77 denotes a screw for fastening the first cover 60 and the second cover 70 to the rotary shaft 21.

Hereinafter, the operation of the swivel hinge device according to the present invention having the configuration as described above in detail.

In the swivel hinge device of the present invention, the base 10 is mounted on the main body 50, and the opening and closing body 30 is mounted on the display unit 55 such that the display unit 55 is moved forward and backward with respect to the main body 50. Rotation in left and right directions. In addition, the display unit 55 may be maintained at a predetermined angle rotated in the front, rear, left, and right directions with respect to the main body 50.

First, the operation in which the display unit 55 is rotated in the front-rear direction (the direction overlapping or unfolding with respect to the main body 50) with respect to the main body 50 is performed by the opening / closing body (with respect to the rotating body 20). 30 is rotated about the shaft 27. At this time, the second pipe spring 35 provided in the shaft hole 33 of the opening and closing body 30 is elastically curled when the opening and closing body 30 is rotated with respect to the shaft 27 to provide appropriate resistance. To prevent the display unit from rotating arbitrarily.

In addition, the operation in which the display unit 55 is rotated in the left and right directions (the rotation direction in the unfolded state with respect to the main body unit 50) with respect to the main body unit 50 is performed by the rotating body 20 in the base 10. By rotating about.

At this time, the first pipe spring 40 provided between the inner circumferential surface 15 of the base 10 and the rotating shaft 21 of the rotating body 20 is curled elastically according to the rotation of the rotating body 20. While providing a proper resistance so that the display unit 55 is not arbitrarily rotated left and right.

Meanwhile, the surface of the first cover 60 fixed to the rotary shaft 21 is rubbed with the friction end 40 ′ of the first pipe spring 40 by rotation to the rotary shaft 21. . In addition, the embossing protrusion 61 formed on the first cover 60 is brought into close contact with the friction end 40 ′ with a predetermined elastic force of the first cover 60 itself so that rotation of the rotary shaft 21 may be arbitrarily performed. Do not make it happen.

In particular, the cutout portion 75 of the second cover 70 is located at a position corresponding to the embossing protrusion 61 of the first cover 60, so that the embossing protrusion 61 of the first pipe spring 40 is closed. When in contact with the friction end 40 ', the portion where the embossing protrusion 61 is formed is elastic so that the embossing protrusion 61 is in close contact with the friction end 40' with a predetermined elasticity.

In addition, the embossing protrusion 61 may give a user a sense of click at the moment when the embossing protrusion 61 is seated in the recess 41 of the first pipe spring 40, and the display unit may be displayed on the main body 50. This is when the display unit 55 is accurately positioned forward while the 55 is rotated left and right.

On the other hand, the rotating body 20 is rotated only within a range determined by the presence of the stopper surface 13 'and the stopper 22. In this embodiment, the rotating body 20, that is, the display unit 55 is rotated only 180 °. That is, the display screen 57 of the display unit 55 is rotated only between the direction toward the front end of the main body 50 and the direction toward the rear of the main body 50.

In other words, the left and right rotation of the display unit 55 is performed only in one of left and right directions. In the present embodiment, with reference to FIG. 6, the display unit 55 is directed toward the distal end of the main body unit 50, and is rotated in the left direction (arrow A direction) so that the display screen 57 is the main body unit 50. ) Is in a state facing the rear.

In this state, in order for the display screen 57 to face the front end of the main body 50 again, the display 55 must be rotated in the direction indicated by the arrow B. FIG. Therefore, it is prevented that the rotary body 20 (corresponding to the display portion 55) continues to rotate only in one direction with respect to the base 10 (corresponding to the body portion 50).

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

 In the swivel hinge device according to the present invention as described in detail above, the following effects can be expected.

First, according to the present invention, the swivel hinge device can be manufactured in a relatively small size, thereby facilitating the appearance design of the electronic device employing the swivel hinge device, and increasing the design freedom of the main body of the electronic device.

In addition, since the swivel hinge device uses a pipe spring made of spring steel to friction with the shaft that is the center of the forward and backward rotation and the left and right rotation, rotation does not occur arbitrarily, thereby providing stability of operation and minimizing wear. .

In particular, the embossing protrusion of the first cover provided on the rotating shaft is elastically in close contact with the first pipe spring by its material property and the cutout of the second cover, thereby making the left and right rotation more stable, There is an effect that the wear of the pipe spring or the first cover is minimized.

In addition, in the present invention, since the rotating shaft for the left and right rotation is integrally formed on the rotating body rotated with respect to the base, and the wing portion provided with the shaft which is the center of rotation for the forward and backward rotation is integrally formed, the number of parts can be relatively reduced. The manufacturing cost can be reduced by reducing the assembly labor.

Lastly, in the present invention, the display unit is prevented from being rotated in one direction only with respect to the main body, thereby preventing twisting of the wire passing through the swivel hinge device in only one direction, thereby improving the durability of the wire.

Claims (4)

A base through which a through hole is formed and fixedly installed; A rotating body having a rotating shaft having a first rotating center rotated with respect to the base, a rotating body having a through hole communicating with the through hole of the base, and having a shaft having a second rotating center at both ends; An opening / closing body which is rotated with respect to the shaft of the rotating body and fixed to a portion which rotates with respect to the fixed portion of the base, Swivel hinge device characterized in that it comprises a stopper formed on any one side of the base and the rotating body to regulate the relative rotation range between the base and the rotating body. The method of claim 1, A ring-shaped first pipe spring provided between the opening of the base and the rotating shaft of the rotating body to exert a predetermined elastic force against the rotation of the rotating shaft; Swivel hinge device further comprises a ring-shaped second pipe spring provided between the shaft of the wing and the opening and closing body to exert a predetermined elastic force against the rotation of the shaft of the wing. According to claim 1 or 2, wherein the stopper is formed on the shaft of the rotating body, the base is provided with a stopper moving end having a stopper surface for guiding the movement of the stopper and having the stopper on both ends thereof; Swivel hinge device. The swivel according to claim 3, wherein the stopper moving end is formed around an upper edge of the base, and is formed over an angle range larger by an angle equal to the width of the stopper than an angle at which the rotation body is rotated. Hinge device.

Images