KR20150022614A

KR20150022614A - Tablet stand apparatus

Info

Publication number: KR20150022614A
Application number: KR20130106687A
Authority: KR
Inventors: 한재욱
Original assignee: 삼성전자주식회사
Priority date: 2013-08-23
Filing date: 2013-09-05
Publication date: 2015-03-04

Abstract

Disclosed is a tablet stand device. The disclosed stand device includes: a cover unit to which a tablet is attached in a detachable manner; a keyboard unit which receives a user command to control the tablet attached to the cover unit; a flexible hinge of which one end is fixed to the cover unit and the other end is fixed to the keyboard unit to connect the cover unit and the keyboard unit in a foldable manner; and a support unit of which one end is connected to the keyboard unit and which supports the cover unit to stand at a predefined angle.

Description

[0001] TABLET STAND APPARATUS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tablet stand apparatus, and more particularly, to a book stand type tablet stand apparatus having a keyboard.

A tablet is a combination of the portability of a personal digital assistant (PDA) and the function of a notebook. It has a built-in touch screen that can execute a program embedded in the tablet using a finger or a touch pen. It is a mobile device that can access the Internet from any place through communication module. Like a regular PC, these tablets can produce content such as documents, and can play multimedia data such as video, music, and games.

Such a tablet is often used by being attached to a protective case of a book cover type. Such a conventional tablet protection case can be used as a tablet unfolded like a book, and has a separate keyboard for controlling the tablet by user input.

However, the conventional tablet protective case has a holder for standing up the tablet. When the user touches the touch screen of the tablet after setting the tablet to the stand-by state, the tablet does not firmly support the tablet, There was a serious shaking problem. As described above, since the touch input is not properly performed, the conventional tablet protection case has a problem that the usability of the product is remarkably deteriorated.

In order to solve the above-described problems, it is an object of the present invention to provide a tablet stand device which firmly supports the cover part during a touch input through a touch screen of the tablet.

In order to achieve the above object, the present invention provides a tablet dispenser comprising: a cover part in which a tablet is detachably mounted; A keyboard unit receiving a user command for controlling the tablet mounted on the cover unit; A flexible hinge having one end fixed to the cover part and the other end fixed to the keyboard part so as to connect the cover part and the keyboard part in a foldable manner; And a support part having one end connected to the keyboard part and supporting the cover part at a predetermined angle.

The cover may press the flexible hinge so that a tension is formed on the flexible hinge when the cover is erected at a preset angle. In this case, the cover portion may be formed with a pressing portion that curves inward of the cover portion so that a part of the side to which one end of the flexible hinge is connected presses one side of the flexible hinge.

The cover portion may include a first fixing member for fixing one end of the flexible hinge to the cover portion.

The first fixing member may be fused to a plurality of protrusions of the cover portion passing through one end of the flexible hinge.

And the outline of the first fixing member is located inside the outline of the pressing portion.

The flexible hinge may be made of a flexible synthetic resin material, for example, a polyurethane resin.

One end of the support part may be fixed to the keyboard part. In this case, it is preferable that the other end of the flexible hinge is fixed to the keyboard unit by the second fixing member together with the one end of the support unit. The second fixing member may be fused to a plurality of protrusions of the keyboard unit that penetrate the other end of the flexible hinge and one end of the support unit. The support portion may be integrally formed at one end with the other end of the flexible hinge extending.

It is also possible that one end of the support portion is fixed to the cover portion. In this case, the cover portion may include a first fixing member for fixing one end of the flexible hinge to the cover portion, and the first fixing member may include one end of the flexible hinge and a plurality of the cover portions As shown in Fig.

The keyboard unit may have a plurality of protrusions passing through the other end of the flexible hinge and the other end of the flexible hinge may be fixed to the keyboard unit by a second fixing member fused with a plurality of protrusions of the keyboard unit.

The supporting portion may be integrally formed by extending one end of the flexible hinge at one end.

The support portion may be detachably attached to the outer surface of the cover portion by a magnetic force.

The supporting portion may be bent in multiple stages. In this case, the support portion includes first to third portions that are sequentially disposed from one end to the other end and are bent to each other, and the third portion corresponding to the other end of the first to third portions A plurality of magnets may be disposed, and the cover portion may include first to third magnetic bodies disposed at positions corresponding to the first to third portions of the support portion, respectively.

The third portion may include a fourth magnetic body for enhancing the magnetic force of the plurality of magnets.

The cover portion may include a plurality of magnets, and a plurality of magnets provided in the cover portion may be disposed together with at least one of the first to third magnetic bodies.

The cover portion may include a plurality of magnets attached and fixed to the second and third magnetic bodies, respectively.

It is preferable that a plurality of magnets attached to the third magnetic body of the cover portion and a plurality of magnets embedded in the third portion of the support portion are arranged at positions corresponding to each other.

Each of the first to third portions may have a reinforcing plate for holding a shape.

The cover portion may have a groove on an outer surface thereof to receive the support portion.

The support portion includes an inner skin and an outer skin having areas corresponding to each other, and the inner skin and the outer skin are preferably made of a synthetic resin material having flexibility. In this case, the inner skin and the outer skin may be made of polyurethane.

The keyboard unit may include a communication module for wireless communication with the tablet.

The keyboard unit may further include an interface unit to which the tablet is connected by wire. The interface unit may include a flexible wiring that is drawn out from the keyboard unit and disposed along the inside of the flexible hinge, and a connection terminal connected to the flexible wiring and disposed outside the flexible hinge.

The cover portion may include a hard case made of a synthetic resin material. In this case, the hard case is preferably made of an epoxy resin.

1 is a perspective view illustrating a first mode of use of a tablet stand device according to an embodiment of the present invention.
2 and 3 are perspective views illustrating a second mode of use of the tablet stand apparatus according to an embodiment of the present invention.
4 is an exploded perspective view showing the cover portion shown in Fig.
FIG. 5 is a schematic view showing a plurality of magnetic bodies and a plurality of magnet arrangements installed inside the cover portion shown in FIG. 4. FIG.
6 is an exploded perspective view showing the fixing structure between the cover portion and the flexible hinge.
7 is an exploded perspective view showing a fixing structure between the support portion, the keyboard portion and the flexible hinge.
8 is an exploded perspective view showing the support portion shown in Fig.
FIG. 9 is a schematic view showing a plurality of magnetic bodies and a plurality of magnet arrangements installed inside the support shown in FIG. 8. FIG.
10 is a cross-sectional view taken along the line X-X shown in Fig.
11 is an enlarged view showing a portion XI shown in Fig.
12 is an enlarged view showing a portion XII shown in Fig.
13 is a perspective view illustrating a third mode of use of the tablet stand apparatus according to an embodiment of the present invention.
14 is a perspective view illustrating an example in which an interface unit is added to the tablet stand apparatus according to an embodiment of the present invention.
15 is a schematic view showing an example in which one end of the support portion is fixed to the cover portion;
16 is a schematic view showing an example in which the flexible hinge is extended integrally with one end of the support to fix one end of the support to the keyboard.
17 is a schematic view showing an example in which the flexible hinge is formed integrally with one end of the support portion and one end of the support portion is fixed to the cover portion.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the embodiments described below are provided for illustrative purposes only, and that the present invention may be embodied with various modifications and alterations. In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention. In addition, the attached drawings are not drawn to scale in order to facilitate understanding of the invention, but the dimensions of some of the components may be exaggerated.

1 to 3, a tablet stand apparatus 100 according to an embodiment of the present invention includes a cover unit 110 to which a tablet is detachably mounted, a tablet 200 mounted on the cover unit, A flexible hinge 150 for connecting the cover unit 110 and the keyboard unit 130 in a foldable manner, a cover unit 130, And a support portion 170 for supporting the cover portion 130 so as to erect the cover portion 130 at a preset angle.

4, the cover 110 includes a hard case 111, first to third magnetic materials 113a, 113b and 113c, a plurality of first magnets 115a, a plurality of second magnets 115b, A first fixing member 117, first and second slip prevention members 118a and 118b, and an inner finishing sheet 119. [

The hard case 111 is preferably made of a material having a predetermined strength so as to protect the tablet 200 from an external impact. For example, the hard case 111 may be made of a synthetic resin material such as an epoxy resin which is easy to mold and has a predetermined strength.

The hard case 111 is provided with first to fourth engaging portions 112a, 112b, 112c, 112c, 112d, 112d, 112d, 112d are protruded.

The first to fourth engaging portions 112a, 112b, 112c, and 112d may have different shapes as needed. For example, the cutter 114 may be formed on the fourth engaging portion 112d corresponding to the position where the touch pen (not shown) provided on the tablet 200 is inserted. It is preferable that the cut-out portion 114 is formed to have a size enough to allow the touch pen to pass therethrough.

The hard case 111 is formed with first to third seating grooves 111a, 111b and 111c on its inner side facing the keyboard unit 130 when folded (see Fig. 1).

The first to third seating grooves 111a, 111b, and 111c have a predetermined length and are spaced apart along the hard case 111. It is preferable that the arrangement of the seating grooves 111a, 111b and 111c is set so as to correspond to the first to third portions P1, P2 and P3 of the supporting portion 170, respectively.

The first seating groove 111a is disposed adjacent to one side of the hard case 111 to which the flexible hinge 150 is connected. The first seating groove 111a is provided with a plurality of first insertion grooves 111d into which a plurality of first magnets 115a are inserted. The plurality of first insertion grooves 111d are disposed on both sides of the first seating groove 111a so as to be offset from each other. In this case, the number and the setting positions of the plurality of first insertion grooves 111d are not limited and can be appropriately changed according to the size of the hard case 111. [

The second seating groove 111b is disposed between the first and third seating grooves 111a and 111c. The second seating groove 111b is provided with a plurality of second insertion grooves 111e into which the plurality of second magnets 115b are inserted. In this case, the plurality of second insertion grooves 111e can be formed in a larger number than the number of the first insertion grooves 111d.

The plurality of second insertion grooves 111e are formed in such a manner that the number of the plurality of third magnets 177 contained in the third portion P3 of the support portion 170 is equal to the number of the plurality of third magnets 177 disposed in the arrangement of the plurality of third magnets 177 It is preferable to dispose them so as to correspond. Thus, when the hard case 111 is rotated in the first use mode of the stand apparatus 100 folded on the keyboard unit 130 as shown in Fig. 1 (see Fig. 1) When the tablet 200 mounted on the hard case 111 is rotated at an angle of about 120 degrees in a direction of expanding the hard case 111 to be switched to the second use mode of the stand apparatus 100, (Not shown) of the support portion 170 to be stably supported by the weight and not to be separated from the outer surface of the hard case 111 by the user's touch force (force applied to the touch screen 210 when the user touches the touch screen 210) The third portion P3 can be strongly adhered to the outer surface of the hard case 111. [

The hard case 111 is provided with a first case 110 and a second case 120 so as to expose a lens (not shown) and an illumination LED (not shown) provided behind the tablet 200 when the tablet 200 is mounted on the cover 110, Thereby forming the exposure holes H1 and H2. In this case, the positions of the first and second exposure holes H1 and H2 are set so as to correspond to the positions of the lens of the tablet 200 and the illumination LED.

The hard case 111 is formed with a pressing portion 111h which is bent to the inside of the cover portion 110 at the edge of the end portion 111f. When the cover 110 is raised at a preset angle as shown in FIG. 10, the pressing portion 111h is formed on one side of the flexible hinge 150 (the first side of the first hinge 150) so that a predetermined tension is formed on the flexible hinge 150 The opposite side of the flexible hinge 150 to which the fixing member 117 abuts). The process in which the pressing portion 111h presses the flexible hinge 150 will be described in detail below.

The first to third magnetic bodies 113a, 113b, and 113c are formed in a plate shape having a predetermined thickness and are inserted into the first to third seating grooves 111a, 111b, and 111c, respectively.

The first magnetic body 113a serves as a yoke for expanding a range of the magnetic forces of the plurality of first magnets 115a and increasing the intensity of the magnetic force. Thus, when the support portion 170 is inserted into the groove 116 formed in the outer surface of the hard case 111 in the first use mode of the stand apparatus 100, the magnetic force of the first magnetic body 113a is increased by the increased magnetic force A strong attractive force is generated between the first magnet 115a and the fourth magnetic body 175a contained in the first portion P1 of the support portion 170. [ Therefore, the first portion P1 of the support portion 170 can be stably fixed to the outer surface of the hard case 111. [

The second magnetic body 113b serves as a yoke that extends the range of the magnetic force of the plurality of second magnets 115b and increases the intensity of the magnetic force. A plurality of second magnets 115b and a fifth magnetic body 175b embedded in the second portion P2 of the supporting portion 170 are disposed in the first use mode (see FIG. 1) of the stand apparatus 100, A strong attraction force is formed with the second magnet 115b so that the first portion P1 of the support portion 170 is stably fixed to the outer surface of the hard case 111. [

In the second use mode (see Fig. 2) of the stand apparatus 100, the second magnet 113b is inserted into the second magnet 115b and the third portion P3 of the support portion 170 A strong attractive force can be formed between the plurality of third magnets 177. Accordingly, the support part 170 can stably support the cover part 110 erected with the tablet 200 mounted thereon.

The plurality of first and second magnets 115a and 115b are inserted into the first and second insertion grooves 111d and 111e, respectively, as described above. In this case, it is preferable that the plurality of second magnets 115b are set so as to correspond to the number and arrangement of the plurality of third magnets 177 contained in the third portion P3 of the support portion 170. [

The above-mentioned first to third magnetic bodies 113a, 113b, and 113c are sequentially arranged from the lower side to the upper side at predetermined intervals as shown in FIG.

The first fixing member 117 fixes the one end 151 of the flexible hinge 150 to the hard case 111. In this case, the first fixing member 117 is fixed on the one end 151 of the flexible hinge 150, and the plurality of protrusions 111g protruding from the one end 111f of the hard case 111 are fused For example, an ultrasonic welding process. Accordingly, the first fixing member 117 can firmly fix the one end 151 of the flexible hinge 150 to the hard case 111.

The first fixing member 117 is preferably made of a synthetic resin material (for example, epoxy resin) of the same material as the hard case 111 so that ultrasonic welding can be performed.

The first fixing member 117 is formed to have the same curvature as that of the one end 111f of the hard case 111 so that the one end 151 of the flexible hinge 150 is fixed to one end of the hard case 111 It is possible to fix it in a state of being in close contact with the lower surface 111f.

11, it is preferable that the outline (or end) of the first fixing member 117 is positioned inward of the outline (or end) of the pressing portion 111h of the hard case 111. [ This allows the stand device 100 to be switched to the first to third use modes smoothly and to minimize the length of the flexible hinge 150 (G portion shown in FIG. 11).

The first and second slip prevention members 118a and 118b are fixedly coupled to the outer sides of the third and fourth engagement portions 112c and 112d of the hard case 111 respectively (see FIG. 1).

The first and second slip prevention members 118a and 118b have a predetermined thickness so as to naturally settle on the floor in the second use mode of the stand apparatus 100 (see FIG. 10). Accordingly, when the user uses the keyboard unit 130, the stand device 100 can be prevented from being moved backward, for example, to be stably used.

The first and second slip prevention members 118a and 118b are preferably made of a rubber material so as to maximize the frictional force with the ground and at the same time to have a predetermined elastic force.

The inner finishing sheet 119 is attached to the inside of the hard case 111 and the first to third magnetic bodies 113a to 113c and the plurality of first and second magnets 115a and 115b are attached to the hard case 111, .

The keyboard unit 130 has a size substantially similar to that of the cover unit 110 and includes a wireless communication module built in the tablet 200 to control the tablet 200 mounted on the cover unit 110 C1, and a wireless communication module C2 for wireless communication (for example, Bluetooth or Wi-Fi, etc.). The position of the wireless communication module C2 is not limited to the position shown in FIG. 3, and the position can be appropriately changed according to the design of the keyboard unit 130. [

3, the keyboard unit 130 includes a lower case 131, a control circuit (not shown) and a plurality of key buttons 133 provided on the lower case 131, And an upper case 135 mounted on the upper case 135.

7, the keyboard unit 130 is fixed to the one end 131a of the lower case 131 by fixing one end portion 171a of the support portion 170 and the other end portion 155 of the flexible hinge 150, And a second fixing member 137 for fixing the second fixing member.

The second fixing member 137 has a plurality of through holes 137a through which a plurality of projections 131b protruding from the lower case 131 pass. The second fixing member 137 is covered by the upper case 135 while being seated on the upper surface of the other end 155 of the flexible hinge 150. In this state, the upper case 135 is fused with the plurality of protrusions 131b of the lower case 131 through fusion (e.g., ultrasonic welding). At this time, the second fixing member 137 is formed to have a curvature with respect to the one end portions 171a and 173a of the support portion 170 to fix the other end 155 of the flexible hinge 150 to the lower case 131 side can do.

The flexible hinge 150 connects the cover unit 110 and the keyboard unit 130 so that they can be folded. Although the flexible hinge 150 is not shown in the drawing, it is formed by adhering the inner skin and the outer skin to each other. In order to ensure the flexibility of the flexible hinge 150, a single hot melt provided only on either the inner skin or the outer skin is applied, .

Such a flexible hinge 150 allows flexibility of the stand device 100 so that it can be used in a first use mode (see Fig. 1), a second use mode (see Fig. 10) and a third use mode The wick can be formed of a synthetic resin material, for example, a polyurethane resin.

When the flexible hinge 150 is formed of a polyurethane resin, it can have elasticity. By utilizing the elasticity of the flexible hinge 150, the flexible hinge 150 can be fixed to the flexible hinge 150 in a second use mode So that the user can minimize the flow of the cover unit 110 due to the touch force generated when the tablet 200 touches the touch screen 210 and can stably maintain the same.

6, a plurality of first through holes 153 are formed in the one end 151 and a plurality of second through holes 157 are formed in the other end 155. In the flexible hinge 150, Is formed.

The plurality of first through holes 153 pass through the plurality of projections 111g protruding from the one end 111f of the hard case 111 and the plurality of second through holes 157 pass through the lower case 131 A plurality of protrusions 131b protruding from the one end 131a penetrate.

Such a flexible hinge 150 has a simple structure compared to a conventional mechanical complex hinge, so that it is easy to manufacture and maintain.

Referring to FIG. 8, the support portion 170 includes an outer skin 171 and an inner skin 173 which are bonded to each other and approximately the same size. In this case, the outer skin 171 and the inner skin 173 are mutually attached through a predetermined adhesive member.

The supporting portion 170 includes first to third reinforcing plates 174a, 174b and 174c, fourth to sixth magnetic bodies 175a, 175b and 175c and a plurality of second magnetic bodies 175a, 175b and 175c arranged between the outer skin 171 and the inner skin 173, And a third magnet 177.

The support portion 170 may be made of a flexible material such as a polyurethane resin. The support portion 170 is divided into first to third portions P1, P2, and P3 which are sequentially foldable from the side where the flexible hinge 150 is fixed.

At one side of the first part P1, connecting parts 171a and 173a fixed to the keyboard part 130 are extended. The extension portions 171a and 173a are formed with a plurality of through holes 171b and 173b through which a plurality of projections 131a formed in the hard case 131 of the keyboard unit 170 pass.

In addition, the first reinforcing plate 174a and the fourth magnetic body 175a are disposed in the first portion P1. The first reinforcing plate 174a is for holding the flexible sheath 171 and the inner sheath 173 in a flat shape and is inserted into a first groove 171c formed in the sheath 171. [ The fourth magnetic body 175a is held in contact with the first portion P1 by the attraction force formed between the first magnetic portion 175a and the plurality of first magnets 115a disposed in the cover portion 110 in the first use mode of the stand apparatus 100. [ Can be attached to the outer surface of the part (110).

And the second plate (174b) and the fifth magnetic body (175b) are disposed in the second portion (P2). The second reinforcing plate 174b holds the flexible sheath 171 and the inner sheath 173 in a flat shape like the first reinforcing plate 174a. The second reinforcing plate 174b is inserted into the second groove 171d formed in the outer cover 171. [ The fifth magnetic body 175b is fixed to the cover portion 110 by the attraction force formed between the second magnetic portion 115b and the plurality of second magnets 115b disposed in the cover portion 110 in the first use mode of the stand apparatus 100. [ Can be attached to the outer surface of the part (110).

A third reinforcing plate 174c, a sixth magnetic body 175c and a plurality of third magnets 177 are disposed in the third portion P3. The third reinforcing plate 174c is for holding the flexible sheath 171 and the inner sheath 173 in a flat shape like the first and second reinforcing plates 174a and 174b. Is inserted into the third groove 171e of the shell 171 in a laminated state. At this time, the sixth magnetic body 175c is disposed on the outer surface 171 side and the third reinforcing plate 174c is disposed on the inner surface 173 side.

The plurality of third magnets 177 are respectively inserted into the plurality of insertion grooves 174f formed in the third reinforcing plate 174c. The plurality of third magnets 177 are disposed at predetermined intervals along the sixth magnetic body 175c as shown in FIG. 9, and the arrangement of the plurality of third magnets 177 is the same as that of the cover portion 110 and the plurality of second magnets 115b.

Hereinafter, the operation of the tablet stand apparatus 100 according to the first to third modes of use will be described.

Referring to FIG. 1, the first mode of use of the stand apparatus 100 is a mode in which the cover unit 110 is folded to face the keyboard unit 130 so that the tablet 200 can be stored without using the tablet 200.

At this time, since the support portion 170 is not used, the first to third portions P1, P2, and P3 are inserted into the groove 116 formed on the outer surface of the hard case 111 in an unfolded state. In this case, the support portion 170 is supported by the engaging force formed between the first to third magnets 115a, 115b and 177 and the first to sixth magnetic bodies 113a, 113b, 113c, 175a, 175b, 111).

Referring to FIG. 10, the second mode of use of the stand apparatus 100 is a mode in which the user can use the tablet 200 and the keyboard unit 130 together. In this case, the cover portion 110 is supported by the support portion 170 and is erected obliquely at the first angle? 1. In this case, the first angle? 1 is, for example, an angle obtained by turning the cover portion 110 in the first use mode by about 120 degrees in the direction away from the keyboard portion 130.

Since the first fixing member 117 fixes the upper surface of the flexible hinge 150 at this time, the flexible hinge 150 is configured such that the portion 159 of the flexible hinge 150 is pressed by the pressing portion 111h of the cover portion 110 (The direction of the arrow in Fig. 11). The flexible hinge 150 is pressed by the first fixing member 117 and the pressing portion 111h to have a predetermined tension.

The tension formed on the flexible hinge 150 keeps the flexible hinge 150 having the elasticity in a state of being tense so that the elastic force of the flexible hinge 150 can be prevented by the touch force generated when the user touches the touch screen 210 of the tablet 200, Can be minimized and the user can use the tablet 200 in a stable manner.

In the second use mode, the support portion 170 is maintained in a multi-step bent state, and the third portion P3 of the support portion 170 contacts the substantially central portion of the cover portion 110 (a plurality of second magnets 115b (I.e.

12, the plurality of second magnets 115b and the third magnets 177 are adjacent to each other and the second and third magnets 115b and 177 are disposed adjacent to each other in the second mode of use of the stand apparatus 100. In this case, And a second magnetic body 113b and a sixth magnetic body 175c are disposed on the outer side of the second magnetic body 113b. At this time, the second and sixth magnetic bodies 113b and 175c extend the action range of the magnetic fields of the second and third magnets 115b and 177, and as a result, the plurality of second and third magnets 115b , 177 and the second and sixth magnetic bodies 113b, 175c can be increased. At this time, it is preferable that the plurality of second and third magnets 115b and 177 are arranged such that mutually different magnetic poles are located on the surfaces facing each other.

Accordingly, the third portion P3 of the support portion 170 is attached to the outer surface of the cover portion 110 with a large fixing force, thereby stably supporting the cover portion 110 erected at an angle.

13, the third mode of use of the stand apparatus 100 is to turn the keyboard unit 130 toward the outer surface of the cover unit 110 by the second angle? 2 (about 300 degrees) 170 are in a state in which they face the floor.

The third usage mode is applied when the keyboard 200 is not used and is mainly used when the tablet 200 is used for listening to moving pictures and pictures played on the tablet 200 or listening to music .

On the other hand, the flexible hinge 150 becomes a condition in which the length G of the central portion can smoothly perform the folding operation between the cover portion 110 and the keyboard portion 130, and at the same time, in the above- The length G of the center portion of the flexible hinge 150 is appropriately set in consideration of the thickness of each of the cover 110 and the keyboard 130 since the flow of the flexible hinge 150 may be minimized . The flexible hinge 150 thus manufactured can smoothly switch the stand apparatus 100 to the first to third usage modes and can also stably support the cover unit 110 in the second and third usage modes .

Although the tablet stand device 100 according to an embodiment of the present invention described above communicates with the tablet 200 wirelessly, the keyboard unit 130 is not limited to this, and it is also possible to communicate with the tablet 200 by wire. 14, the interface unit 300 may be disposed on the flexible hinge 150 of the tablet stand apparatus 100. In this case,

The interface unit 300 includes a connection terminal 310 connected to a connection port (not shown) of the tablet 200 and electrically connects the connection terminal 310 and a control unit (not shown) of the keyboard unit 130 (Not shown).

In this case, the wiring part 330 may be formed of an FPCB disposed inside the hinge, and the connection terminal 310 may be disposed in a state exposed on one side of the flexible hinge 150.

The interface unit 300 may be designed to supply power from the keyboard unit 130 to the tablet 200 as well as communication signals between the tablet 200 and the keyboard unit 130.

In the present embodiment, the support portion 170 is described as being fixed to the keyboard portion 130 at one end portions 171a and 173a. However, the present invention is not limited to this, and the support portion 170 may be fixed to the cover portion 110 Of course it is possible. In this case, the first fixing member 117 includes a plurality of protrusions 111g of the hard case 111 passing through one end 151 of the flexible hinge 150 and one ends 171a and 173a of the support 170, The flexible hinge 150 and the supporting portion 170 can be fixed to the cover portion 110 by ultrasonic welding.

The flexible hinge 150 may be formed integrally with the supporting portion 170 by extending to one end portions 171a and 173a of the supporting portion 170. [ 16, the other end 153 of the flexible hinge 150 can be fixed to the keyboard unit 130 together with the one end portions 171a and 173a of the support portion 170, and as shown in FIG. 17, One end portion 151 of the support portion 150 may be fixed to the cover portion 110 together with the one end portions 171a and 173a of the support portion 170. [

As described above, the present invention has been described by reference to the preferred embodiments and drawings, but it should be understood that the present invention is not limited to these embodiments, and various changes and modifications may be made without departing from the spirit and scope of the present invention by those skilled in the art. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the appended claims.

110: cover part 111: hard case
111h: pressing portion 112a-112d: first to fourth engaging portions
113a to 113c: first to third magnetic bodies 115a: first magnet
115b: second magnet 117: first fixing member
118a: first slip prevention member 118b: second slip prevention member
119: inner finishing sheet 130:
131: lower case 131 133: upper case
137: second fixing member 150: flexible hinge
170: Support 171:
173: Endothelium
174a, 174b and 174c: first to third reinforcing plates
175a, 175b and 175c: Fourth to sixth magnetic bodies
177: third magnet P1, P2, P3: first to third parts
200: Tablet

Claims

A cover portion to which a tablet is detachably mounted;
A keyboard unit receiving a user command for controlling the tablet mounted on the cover unit;
A flexible hinge having one end fixed to the cover part and the other end fixed to the keyboard part so as to connect the cover part and the keyboard part in a foldable manner; And
And a support portion having one end connected to the keyboard portion and supporting the cover portion at a predetermined angle.

The tablet stand device according to claim 1, wherein the cover portion presses the flexible hinge so that a tension is formed on the flexible hinge when the cover is erected at a preset angle.

The tablet stand device according to claim 2, wherein the cover portion is formed with a pressing portion that curves inward of the cover portion so that a part of a side of the flexible hinge to which one end of the flexible hinge is connected presses one side of the flexible hinge.

The tablet stand apparatus according to claim 3, wherein the cover unit includes a first fixing member for fixing one end of the flexible hinge to the cover unit.

5. The tablet stand apparatus according to claim 4, wherein the first fixing member is fused with a plurality of protrusions of the cover portion passing through one end of the flexible hinge.

5. The tablet stand apparatus according to claim 4, wherein the first fixing member has an outline located inside the outline of the pressing portion.

The tablet stand device according to claim 1, wherein the flexible hinge is made of a flexible synthetic resin material.

The tablet stand apparatus according to claim 7, wherein the flexible hinge is made of a polyurethane resin.

The tablet stand apparatus according to claim 1, wherein one end of the support portion is fixed to the keyboard unit.

The tablet stand apparatus according to claim 9, wherein the other end of the flexible hinge is fixed to the keyboard unit by a second fixing member together with one end of the support unit.

11. The tablet stand device according to claim 10, wherein the second fixing member is fused to a plurality of projections of the keyboard unit passing through the other end of the flexible hinge and one end of the support.

10. The tablet stand device according to claim 9, wherein the support portion is integrally formed at one end with the other end of the flexible hinge extending.

The tablet stand device according to claim 1, wherein one end portion of the support portion is fixed to the cover portion.

14. The portable terminal according to claim 13, wherein the cover portion includes a first fixing member for fixing one end of the flexible hinge to the cover portion,
Wherein the first fixing member is fused with a plurality of protrusions of the cover portion passing through one end of the flexible hinge and one end of the support portion.

15. The keyboard unit according to claim 14, wherein the keyboard unit has a plurality of protrusions passing through the other end of the flexible hinge, and the other end of the flexible hinge is fixed to the keyboard unit by a second fixing member, Wherein the tablet stand device is fixed.

14. The tablet stand device according to claim 13, wherein one end of the flexible hinge is integrally formed at one end of the support portion.

The tablet stand device according to claim 1, wherein the support portion is detachably attached to an outer surface of the cover portion by a magnetic force.

18. The tablet stand apparatus according to claim 17, wherein the support portion is bent at a multi-step.

[19] The apparatus of claim 18, wherein the support portion includes first to third portions that are sequentially disposed from one end to the other end and are bent together,
A plurality of magnets are disposed in the third portion corresponding to the other end of the support portion among the first to third portions,
Wherein the cover portion includes first to third magnetic bodies disposed at positions corresponding to the first to third portions of the support portion, respectively.

20. The tablet stand apparatus according to claim 19, wherein the third portion includes a fourth magnetic body for enhancing the magnetic force of the plurality of magnets.

21. The tablet stand according to claim 19 or 20, wherein the cover portion includes a plurality of magnets, and a plurality of magnets provided on the cover portion are disposed together with at least one of the first to third magnetic bodies. Device.

21. The tablet stand device according to claim 19 or 20, wherein the cover portion includes a plurality of magnets attached and fixed to the second and third magnetic bodies, respectively.

The tablet stand device according to claim 22, wherein a plurality of magnets attached to the third magnetic body of the cover portion and a plurality of magnets embedded in the third portion of the support portion are arranged at positions corresponding to each other.

20. The tablet stand apparatus according to claim 19, wherein the first to third portions each include a reinforcing plate for holding a shape.

18. The tablet stand device of claim 17, wherein the cover portion is formed with a groove on an outer surface thereof to receive the support portion.

2. The tablet stand device according to claim 1, wherein the support portion includes an inner skin and an outer skin having areas corresponding to each other, and the inner skin and the outer skin are made of a flexible synthetic resin material.

27. The tablet stand device of claim 26, wherein the inner skin and the outer skin are made of polyurethane.

The tablet stand device of claim 1, wherein the keyboard unit comprises a communication module for wireless communication with the tablet.

The tablet stand apparatus according to claim 1, wherein the keyboard unit further comprises an interface unit in which the tablet is connected by wire.

30. The portable terminal according to claim 29, wherein the interface unit includes: a flexible wiring that is drawn out from the keyboard unit and disposed along the inside of the flexible hinge; and a connection terminal that is connected to the flexible wiring and is disposed outside the flexible hinge Tablet stand device.

The tablet stand apparatus according to claim 1, wherein the cover section comprises a hard case made of a synthetic resin material.

32. The tablet stand apparatus according to claim 31, wherein the hard case is made of an epoxy resin.