KR100949193B1

KR100949193B1 - Opening and closing device for use in portable device having two units sliding each other

Info

Publication number: KR100949193B1
Application number: KR1020080011224A
Authority: KR
Inventors: 가성현
Original assignee: 암페놀피닉스 유한회사
Priority date: 2008-02-04
Filing date: 2008-02-04
Publication date: 2010-03-23
Also published as: WO2009099275A2; WO2009099275A3; CN101911514A; KR20090085375A

Abstract

According to the present invention, an opening and closing device for coupling at least a portion of the first unit by coupling a first unit and a second unit to enable the slide movement of the second unit with respect to the first unit, A first gear that rotates together with a first unit, a second gear that rotates together with the second unit, a third gear that connects the first gear and the second gear, and a rotating body to which each gear is coupled; And a connection part rotating together with the third gear and slidably connected to the second unit, wherein each gear is provided with an opening and closing device coupled to freely rotate the rotating body.

Portable device, first unit, second unit, switchgear, hinge structure

Description

OPENING AND CLOSING DEVICE FOR USE IN PORTABLE DEVICE HAVING TWO UNITS SLIDING EACH OTHER}

TECHNICAL FIELD The present invention relates to a switchgear of a portable device (eg, a mobile phone, a PDA, a portable computer, etc.) having two units, and in particular, at least part of the two units by combining the two units and allowing the two units to slide relatively. It relates to a switchgear for opening or closing the.

Currently, portable devices such as mobile phones are commonly used in combination with two case units provided with a liquid crystal display and a keypad. When the portable device is not in use, the two case units are folded and closed for easy portability, and when used, the keypad part is opened to be exposed. Two case units are used in a folding type and a slide type according to the opening and closing method, but in order to use the portable device more conveniently, an opening and closing device is required to connect the two units so that relative movement between the two case units is made more diverse.

SUMMARY OF THE INVENTION An object of the present invention is to provide an opening and closing device for coupling two units in a portable device having two units that slide to each other. Another object of the present invention is to provide an opening and closing device for coupling two units to allow relative rotation of two units in a portable device having two units that slide to each other. Still another object of the present invention is to provide an opening and closing device for coupling two units so that the two units are automatically rotated relative to each other in a portable device having two units that slide with each other.

According to one aspect of the invention, the first unit and the second unit, the opening and closing device for opening or closing at least a portion of the first unit by enabling the slide movement of the second unit relative to the first unit A first gear rotating together with the first unit, a second gear rotating together with the second unit, a third gear connecting the first gear and the second gear, and each gear coupled thereto A rotating body and a connection part which rotates together with the third gear and the second unit is slidably connected are provided, and each gear is provided with an opening and closing device coupled to freely rotate the rotating body.

The opening and closing device may further include a rotation force providing unit for providing a rotation force to the second gear.

The rotational force providing unit may include a cam follower, a cam member provided with a cam surface in contact with the cam follower, and an elastic member contacting the cam follower and the cam member.

The cam follower may be provided on the rotating body.

The opening and closing device may further include a fixing part into which the gear shaft of the first gear is fitted, and the cam member and the elastic member may be installed in the fixing part.

The cam follower is formed around the gear shaft of the third gear, and the cam member may linearly move along the radial direction of the first gear.

The rotating body may have an inner space in which the first, second and third gears and the rotational force providing unit are accommodated.

The cam surface may have a top and a first inclined portion and a second inclined portion inclined downward from both sides.

The opening and closing device may further include a slider connected to the second unit and slidably coupled to the connection part.

The slider may have a track coupled to the connection part.

The track may include a through hole extending in length, and a coupling pin passing through the connection part and the through hole.

The track may include a guide rod that is elongated, and the connection part may include a passage hole fitted to the guide rod to be slidably movable.

The opening and closing device may further include an elastic force providing unit for providing an elastic force between the connection portion and the slider.

The elastic force providing unit includes a first connecting member having a coupling part rotatably coupled to the connecting part, a second connecting member having a coupling part rotatably coupled to the slider, and between the first connecting member and the second connecting member. It is provided with an elastic member for providing an elastic force, the first connecting member and the second connecting member is capable of sliding movement with each other, the elastic member is the coupling portion of the first connecting member and the coupling portion of the second connecting member mutually You can apply force to move away.

According to the configuration of the present invention can achieve all the objects of the present invention described above. Specifically, since the slider can be rotated after the slide movement, the angle of the liquid crystal display can be adjusted, so that the portable device can be used more conveniently.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 and 2, the portable device 5 (e.g. PDA) has a first unit 7 and a second unit 9 which can be superimposed on one another. The first unit 7 and the second unit 9 are coupled by the opening and closing device 10. Although not shown in detail, the first unit 7 is provided with a keypad, and the second unit 9 is provided with a liquid crystal display. The first unit 7 is coupled to the base portion 20 described later of the switchgear 10, and the slider 30 described later of the switchgear 10 is coupled to the second unit 9.

2 and 3, the opening and closing device 10 includes a base 20, a slider 30, first and second elastic force providing parts 40 and 50, and first and second hinges. The structures 60 and 70 are provided. The base 20 and the slider 30 are connected by the first and second hinge structures 60 and 70. The slider 30 slides along the moving axis 100 with respect to the base 20.

The foundation 20 is generally rectangular in the form of a plate, which is joined to and fixed to the first unit 7. On both ends of one end of the base portion 20 in the direction of the movement axis 100, fixing parts 62 to be described later of the first hinge structure 60 and fixing parts 72 to be described later of the second hinge structure 70 are respectively formed. Combined and fixed.

The slider 30 has a body 32 and a cover 34 covering the body 32. The body 32 is in the form of a thin rectangular plate and has a first track 36 and a second track 38 extending parallel to the moving axis 100 and located on both sides of the body 32. The first orbital 36 and the second orbital 38 have slit-shaped coupling holes 361 and 381 extending in parallel with the moving axis 100, respectively. Coupling pins 69 and 79 which will be described later of the first hinge structure 60 and the second hinge structure 70 are fitted into the coupling holes 361 and 381. The connecting portion 68 of the first hinge structure 60, which will be described later, is slidably coupled to the first track 36, and the connecting portion 78 of the second hinge structure 70, which is described later, is connected to the second track 38. ) Is combined to allow sliding. The cover 34 is generally in the form of a rectangular plate and is joined to cover the body 32 on the opposite side of the base 20. The first elastic force providing part 40 and the second elastic force providing part 50 are positioned in the space formed between the body 32 and the cover 34. The cover 34 is rotatably coupled to the connecting member 44 described later of the first elastic force providing unit 40 and the connecting member 54 described later of the second elastic force providing unit 50, respectively. The body 32 is provided with through holes 31 and 33 formed over the moving regions of the first elastic force providing part 40 and the second elastic force providing part 50, respectively. At least a portion of the first elastic force providing portion 40 and the second elastic force providing portion 50 is accommodated in the through holes 31 and 33.

The first elastic force providing unit 40 includes a first, connecting members 42 and 44, and an elastic member (not shown). The two connecting members 42 and 44 are coupled to each other to allow a slide movement. A coupling portion 43 is provided at the end of the fixing member 42, and the coupling portion 43 is rotatably coupled to the connection portion 68 of the first hinge structure 60. The fixing member 42 has a connecting portion 45 to which an elastic member (not shown) is connected. A coupling part (not shown) having the same structure as the coupling part 43 of the fixing member 42 is provided at the end of the connection member 44, and the coupling part (not shown) is rotatably attached to the cover 34. Combined. The connecting member 45 has a connecting portion 46 to which an elastic member (not shown) is connected. As the two connecting members 42 and 44 slide, each engaging portion of each of the connecting members 42 and 44 gets closer or further away. When the two coupling parts are close to each other, the two connecting parts 45 and 46 are far from each other, and when the two coupling parts are far from each other, the two connecting parts 45 and 46 are close to each other. An elastic member (not shown) is a tension spring and is connected to each of the connecting portions 45 and 46 of each of the connecting members 42 and 44. Therefore, the elastic member (not shown) exerts a force in a direction of suppressing the separation of the connecting portions 45 and 46 of the connecting members 42 and 44 from each other. This elastic force is to suppress the respective coupling portion of the two connecting members 42, 44 close to each other. Since the second elastic force providing unit 50 has the same configuration as the first elastic force providing unit 40, the connecting portion 78 of the cover 34 and the second hinge structure 70 is not described in detail.

2 to 5, the first hinge structure 60 includes a fixing part 62, a rotating part 64, a rotation force providing part 66, and a connecting part 68. The fixing portion 62 is coupled to the base portion 20 in the form of a frame. The fixing part 62 has a first wall 621 and a second wall 622 facing each other, and a third wall 623 connecting the first wall 621 and the second wall 622. The first wall 621 and the second wall 622, the first and second insertion holes (6211, 6221) to which both ends (6311, 6312) of the first gear shaft 631 of the rotary part 64 is fitted, respectively. Prepared. The first gear shaft 631 is keyed to the first insertion hole 6211, thereby preventing the first gear 63 from rotating with respect to the fixing part 62. In the space between the first wall 621 and the second wall 622, the pressing portion 661 of the rotational force providing unit 66 is provided. The rotation force providing unit 66 includes a pressing unit 661 and a cam follower 662 of the rotating unit 64. The pressing portion 661 includes a receiving member 663, a cam member 664, and an elastic member (665 in FIG. 7A). The accommodating member 663 is cylindrical and accommodates the cam member 664 and the elastic member 665 therein. The elastic member 665 is a compression coil spring that pushes the cam member 664 toward the cam follower 662. The cam member 664 has a cam surface 666 provided on the side facing the cam follower 662. The cam surface 666 includes a first inclined portion 668 and a second inclined portion 669 which are lowered on both sides with the top 667 interposed therebetween. The cam follower 662 rotates with the body 641 about the first gear shaft 663 and contacts and interacts with the cam surface 666.

The rotating unit 64 includes a rotating body 641, a first gear 63, a second gear 67, and a third gear 65. The rotating body 641 is a rod-shaped space provided therein, the first gear 63, the second gear 67 and the third gear 65 is accommodated in the inner space. The gear shaft 631 of the first gear 63 passes through the rotation body 641 so that both ends of the gear shaft 631 do not rotate on the first wall 621 and the second wall 622 of the fixing part 62. The rotating body 641 is free to rotate about the gear shaft 631 of the first gear (63). The second gear 67 has a coupling hole 671 provided at the center. The coupling shaft 681 of the coupling portion 68 is fitted to the coupling hole 671 so as to rotate together. The third gear 65 is engaged between the first gear 63 and the second gear 67 and engaged, and the gear shaft 651 is coupled to the rotating body 641 so as to rotate freely with respect to the rotating body 641. . In the present embodiment, the gear ratio of the first gear 63 to the second gear 67 is described as 1: 1.5. Therefore, the second gear 67 is further rotated 1.5 times in the same direction with respect to the first gear (63). That is, as the rotating body 641 rotates about the first gear shaft 631, the second gear 67 rotates 1.5 times in the opposite direction with respect to the rotating body 641. The rotating body 641 is provided with a cam follower 662 formed around the gear shaft 631 of the first gear 63. As the rotary body 641 rotates about the gear shaft 631 of the first gear 63, the cam follower 662 also rotates about the gear shaft 631 of the first gear 63 and pressurized ( And interact with cam surface 666 of 66.

The connecting portion 68 includes a body 682 and a coupling shaft 681. Body 682 has opposing first wall 683 and second wall 684 and third wall 685 connecting first wall 683 and second wall 684. Two contact plates 685 and 686 are sandwiched between the first wall 683 and the second wall 684. A first raceway 36 formed in the body 32 of the slider 30 is slidably contacted between the two contact plates 685 and 686. Two coupling pins 69 are inserted through two contact plates 685 and 686 between two walls 683 and 684 to be engaged. The two coupling pins 69 pass through the coupling holes 361 of the first track 36, and couple the connecting portion 68 and the slider 30. The first wall 683 is provided with an elongated connecting plate 6831. The fixing member 42 of the first elastic force providing part 40 is rotatably coupled to the connecting plate 6831. Coupling shaft 681 is provided extending from third wall 685. The coupling shaft 681 rotates freely with respect to the body 641 of the rotating unit 64 and is coupled to rotate together with the second gear 67. Since the second hinge structure 70 has the same configuration as the first hinge structure 60, a detailed description thereof will be omitted.

6 and 7, the operation of the above embodiment will be described in detail.

6 (a) shows the opening and closing device 10 in a state in which the two units 5 and 7 of the portable device 5 are closed, and FIG. 7 (a) shows the rotational force providing unit 66 at that time. Is shown. In this case, the first and second elastic force providing units 40 and 50 of FIG. 3 provide a force for pushing the slider 30 in the direction of the arrow with respect to the base 20. In addition, the rotation force providing unit 66 is a cam follower 662 is located on the first inclined portion 668 of the cam surface 666, the force for rotating the rotating portion 64 in the direction of the arrow with respect to the base portion 20 to provide. By the action of the elastic force providing unit (40, 50 of Fig. 2) and the rotational force providing unit 66, the portable device 5 shown in Fig. 6 (a) is kept in a stable state. In the state of FIG. 6A, when the user applies the force in the opposite direction of the arrow to open the portable device 5, the second unit 9 is moved relative to the first unit 5, and the second unit ( 9) moves with respect to the 1st unit 7, and it is in an open state as shown to FIG. 6 (b). At this time, the state of the rotational force providing unit 66 maintains the state shown in FIG. The elastic force providing portion (40, 50 in Fig. 3) provides a force for pushing the slider 30 in the direction of the arrow with respect to the base portion 20, so that the portable device 5 stably stabilizes the state of Fig. 6 (b). Keep it. In the state shown in FIG. 6B, when a force is applied to raise the second unit 9 with respect to the first unit 7, the second gear 67 rotates while the rotating body 641 is reversed. Will rotate. As the rotating body 641 rotates, the cam follower 662 of the rotational force providing unit 66 is positioned at the top 667 of the cam surface 666, which is shown in FIGS. 6C and 7B. ) Is shown. As the rotating body 641 rotates 45 degrees by the gear ratio, the third gear 67 rotates 67.5 degrees in the opposite direction, so that the second unit 9 stands 22.5 degrees with respect to the first unit 7. In this state, if a force is applied to raise the second unit 9 further, the rotating body 641 automatically rotates while the cam follower 662 is positioned on the second inclined portion 669 of the cam surface 666. The rotating body 641 is further rotated 45 degrees from the state of FIG. 6 (b) and then stopped by a stopper (not shown), and is in the state shown in FIG. 6 (d). In this case, as shown in FIG. 7C, the cam follower 662 is positioned on the second inclined portion 669 of the cam surface 666, and thus, the rotation body 641 is rotated. Apply force in the direction of rotation in the direction of the arrow. The rotating body 641 is rotated 90 degrees from the state of Fig. 6 (b), and the second gear 67 is rotated 135 degrees in the opposite direction, so that the second unit 9 is the first unit ( 5) will be maintained at 45 degrees.

8 and 9 show an opening and closing device according to another embodiment of the present invention. 8 and 9, the opening and closing device 10a has a sliding structure different from the previous embodiment. The first trajectory 36a and the second trajectory 38a of the slider 30a are provided with guide rods 361a and 381a. The connecting portion 68a of the first hinge structure 60a includes a contact member 685a having a passage hole 6851a fitted to the guide rod 361a so as to be slidable. The contact member 685a is fitted into the fitting hole 6811a formed in the body 681a of the connecting portion 68a so as to be coupled thereto. Since the configuration of the second hinge structure 70a is the same as that of the first hinge structure 60a, a detailed description thereof will be omitted. Other configurations and operations are the same as in the previous embodiment, so a detailed description thereof will be omitted.

10 and 11 show an opening and closing device according to another embodiment of the present invention. 10 and 11, the rotation force providing unit 66b of the opening and closing device 10b is provided inside the rotating body 641b. The cam follower 662b of the rotation force providing unit 66b is provided around the gear shaft 651b of the third gear 65b to rotate about the gear shaft 651b. The cam member 664b is installed to be linearly movable along the radial direction of the first gear shaft 631b, and the cam surface 666b is formed in a plane substantially perpendicular to the moving direction of the cam member 664b. Interact with the eastern portion 662b to provide rotational force to the second gear 65b. The first gear shaft 631b is directly connected to the first unit 7b of the portable device 5b. In the sliding structure, one raceway 36b has two guide rods 361b. Other configurations and operations are the same as in the previous embodiments, so a detailed description thereof will be omitted.

Although the present invention has been described with reference to the above embodiments, the present invention is not limited thereto. Those skilled in the art will appreciate that modifications and variations can be made without departing from the spirit and scope of the present invention and that such modifications and variations also fall within the present invention.

1 is a perspective view of a portable device equipped with an opening and closing device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the portable device shown in FIG.

3 is an exploded perspective view of the opening and closing device shown in FIG.

4 is a perspective view of the hinge structure shown in FIG.

5 is an exploded perspective view of the hinge structure shown in FIG.

6 is a side view illustrating an operation process of the opening and closing device shown in FIG.

FIG. 7 is a side view illustrating an operation process of the rotation force providing unit illustrated in FIG. 5 in order.

8 is a perspective view of the opening and closing apparatus according to another embodiment of the present invention.

9 is an exploded perspective view of the switching device shown in FIG.

10 is a perspective view of a portable device equipped with an opening and closing device according to another embodiment of the present invention.

FIG. 11 is an exploded perspective view of the opening and closing device mounted on the portable device shown in FIG. 10;

5: portable device 7: first unit

9: second unit 10: switching device

20: foundation 30: slider

40: first elastic force providing unit 50: second elastic force providing unit

60: first rotating part 63: first gear

65: second gear 67: third gear

70: second rotating part

Claims

An opening and closing device for coupling a first unit and a second unit and opening or closing at least a part of the first unit by allowing a slide movement of the second unit with respect to the first unit,

A first gear rotating together with the first unit,

A second gear rotating together with the second unit,

A third gear connecting the first gear and the second gear;

Rotating body is coupled to each gear,

A connection part that rotates with the third gear and the second unit is slidably connected,

Each gear is coupled to rotate freely on the rotating body,

A rotational force providing unit for providing a rotational force to the second gear;

And a slider connected to the second unit and slidably coupled to the connection unit.

delete

The opening and closing apparatus according to claim 1, wherein the rotational force providing unit includes a cam follower, a cam member provided with a cam surface in contact with the cam follower, and an elastic member for contacting the cam follower and the cam member.

The opening and closing apparatus of claim 3, wherein the cam follower is provided on the rotating body.

The opening and closing device of claim 4, further comprising a fixing part into which the gear shaft of the first gear is fitted, wherein the cam member and the elastic member are installed in the fixing part.

The opening and closing device of claim 3, wherein the cam follower is formed around a gear shaft of the third gear, and the cam member moves linearly in a radial direction of the first gear.

The opening and closing device of claim 6, wherein the rotating body has an inner space in which the first, second and third gears and the rotational force providing unit are accommodated.

The opening and closing apparatus according to claim 3, wherein the cam surface includes a top portion, a first inclined portion and a second inclined portion inclined downward from both sides of the top portion.

delete

The opening and closing device of claim 1, wherein the slider has a track coupled to the connecting portion, the track having a long through hole, and a coupling pin passing through the connecting portion and the through hole. And an elongated guide rod, wherein the connection portion includes a passage hole fitted to the guide rod so as to be slidably movable.

delete

The opening and closing device of claim 1, further comprising an elastic force providing unit for providing an elastic force between the connection part and the slider.

The opening and closing apparatus of claim 13, wherein the elastic force providing unit comprises: a first connecting member having a coupling part rotatably coupled to the connecting part; a second connecting member having a coupling part rotatably coupled to the slider; and the first connection An elastic member providing an elastic force between the member and the second connection member, wherein the first connection member and the second connection member are slidably movable, and the elastic member is coupled to the first connection member and the first connection member. Switching device for applying a force so that the engaging portion of the second connecting member away from each other.