CN214067606U - Foldable intelligent wearing equipment - Google Patents

Abstract

The utility model discloses a folding intelligent wearing device, which relates to an intelligent device, comprising a first body and a second body, wherein the end parts of the first body and the second body are pivoted to form a hinged part, and the first body and the second body can relatively swing around the hinged part, thereby switching between the folding closed state or the completely unfolded state; the display screen is arranged on one side face of the first machine body and one side face of the second machine body, and the display screen is respectively positioned on one side of the first machine body opposite to the second machine body in a folding and closing state; the clock module is arranged on the first machine body or the second machine body and is positioned on one side of the first machine body or the second machine body, which deviates from the display screen, so that the clock module is arranged outside the first machine body or the second machine body in a folding and closing state. The user can still know the current time through the clock module in the state, the basic function of the equipment is provided for the user, and compared with the machine body adopting the auxiliary screen, the scheme is more power-saving, and the cruising performance is improved.

Description

Foldable intelligent wearing equipment

Technical Field

The utility model relates to an electronic equipment's technical field especially relates to a foldable intelligent wearing equipment.

Background

The intelligent wearing equipment is a general name for applying wearing technology to intelligently design daily wearing and develop wearable equipment, such as watches, bracelets, glasses, clothes and the like.

Along with the rapid development of intelligent products, the intelligent wearing equipment applied to the wrist of a human body becomes an intelligent mobile terminal which is more portable relative to a smart phone, such as an intelligent watch and an electronic product of an intelligent bracelet. Moreover, under the condition that the current science and technology is changing day by day, the functions of the smart watch and the bracelet are more powerful, and the functions of short message receiving and sending reminding, calling, photographing and the like are gradually developed from the beginning only with the time display function and the physical sign monitoring function.

Although intelligence wearing equipment has certain advantage in the portability, current intelligent wrist-watch, the bracelet of being applied to human wrist are less because of its display screen size, can't provide for the user and be close to the use experience of great smart machine such as smart mobile phone, panel computer, consequently, the folding screen intelligence wrist-watch has been released on the market afterwards, the bracelet, utilize two organisms all to be equipped with the screen and through folding, the mode that expandes, provide the jumbo size display screen for the user under the prerequisite that keeps original portability. However, in order to make the device provide a certain basic function for the user even in the folded state, a sub-screen is generally required to be disposed on the folded watch or bracelet, and in such a manner, for the device with a smaller battery capacity, such as a watch or bracelet, a screen is further added on the basis of the folded screen, which obviously causes a greater cruising pressure, and also brings a greater burden and weight to the device.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides a foldable intelligent wearing equipment sets up clock and watch module through the one side that deviates from the display screen at first organism or second organism, makes user's accessible clock and watch module learn the implementation time under the folding closed condition, provides the basis function of equipment for the user when reducing the equipment energy consumption to solve the above-mentioned problem that exists among the prior art.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a folding intelligent wearable device comprises a first body and a second body, wherein the end parts of the first body and the second body are pivotally connected to form a hinge part, and the first body and the second body can relatively swing around the hinge part so as to be switched between a folding closed state or a fully unfolded state; the display screen is arranged on one side face of the first machine body and one side face of the second machine body, and is respectively positioned on one side of the first machine body opposite to one side of the second machine body in a folding and closing state; the clock module is arranged on the first machine body or the second machine body and is positioned on one side of the first machine body or the second machine body, which is deviated from the display screen, so that the clock module is arranged outside the first machine body or the second machine body in a folding and closing state.

Furthermore, a power supply module and a control module electrically connected with the power supply module are arranged in the first machine body or the second machine body; the display screen and the clock module are electrically connected with the control module.

Furthermore, a switch and an adjusting button are further arranged on one side of the first machine body or the second machine body, which is provided with the power supply module and the control module; the switch and the adjusting button are electrically connected with the control module and used for controlling and adjusting the starting and stopping of the clock module and time display.

Furthermore, an embedding groove is formed in one side, away from the display screen, of the first machine body or the second machine body, and the clock module is detachably embedded in the embedding groove; the caulking groove bottom is provided with first metal contact, first metal contact with control module electric connection, clock and watch module bottom is equipped with second metal contact, works as clock and watch module inlays in the caulking groove, first metal contact with second metal contact contacts to form the contact electricity and connect.

Furthermore, first magnetic parts are respectively arranged on opposite sides of the caulking groove and the clock module, and magnetic poles of the first magnetic parts on opposite sides of the caulking groove and the clock module are opposite; the thickness of the clock module is larger than the depth of the caulking groove, and a shifting part is formed on one side of the clock module, which extends out of the caulking groove.

Further, the clock module comprises a dial plate embedded in the first body or the second body; the dial plate is characterized in that a dial needle driving mechanism and a dial needle assembly are respectively arranged on two opposite sides of the dial plate, and the dial needle driving mechanism is in driving connection with the dial needle assembly to drive the dial needle assembly to swing around the dial plate and display corresponding time.

Further, the clock module comprises a watch case embedded in the first body or the second body; an opening is formed in one side of the watch case, a surface is formed in the side opposite to the opening, a circuit board, a Light Emitting Diode (LED), a display Liquid Crystal Display (LCD), image inverting glass and imaging glass are sequentially installed in the watch case, and a rear cover covers the opening.

Further, the foldable intelligent wearable device further comprises a wrist strap in a ring structure, and the first body or the second body is connected to the wrist strap; the wrist strap comprises a first end and a second end, and the first end and/or the second end is connected to the first body or the second body.

Furthermore, the first machine body and the second machine body are respectively provided with a second magnetic attraction piece; when the machine body and the second machine body are in a folding closed state, the second magnetic attraction piece on the first machine body and the second machine body is arranged oppositely, and the magnetic poles on the opposite side of the second magnetic attraction piece of the first machine body and the second machine body are opposite.

Further, a locking mechanism is arranged between the first body and the second body, and the locking mechanism can be selectively matched or separated, so that the first body and the second body can be locked in a folded closed state, or the first body and the second body can be relatively unfolded to form a fully unfolded state.

The utility model has the advantages that: the first machine body and the second machine body can be folded or unfolded relatively, and when the machine bodies are folded and closed, compared with the traditional single-screen intelligent watch and bracelet, the volume of the machine bodies cannot be increased too much, so that the integral portability of the equipment is ensured; after the first machine body and the second machine body are unfolded, screens between the two machine bodies can be connected, so that the use experience of a large screen is provided for a user;

set up clock and watch module on foldable intelligent wearing equipment's basis, clock and watch module is located one side that first organism or second organism deviate from the display screen, make under the folding closed condition, clock and watch module arranges in the outside of first organism or second organism, let the user still can learn the current time through clock and watch module under this state, when the basis function for the user provides equipment under the folding closed condition, adopt the organism of vice screen relatively, this scheme is more power-saving, the duration has been promoted, strengthen intelligent wrist-watch, the wrist-watch attribute of bracelet.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is one of the structural schematic diagrams of the foldable intelligent wearable device of the present invention;

fig. 2 is a second schematic structural diagram of the foldable intelligent wearable device of the present invention;

fig. 3 is a third schematic structural view of the foldable intelligent wearable device of the present invention;

FIG. 4 is a schematic view of the assembly principle of the timepiece module according to the present invention;

fig. 5 is a second schematic view of the assembly principle of the timepiece module according to the present invention;

fig. 6 is a schematic structural diagram of the timepiece module of the present invention.

In the figure: 10. a first body; 11. a hinge portion; 12. caulking grooves; 121. a first metal contact; 1211. a first contact surface; 122. a first magnetic attraction member; 123. positioning a groove; 13. a second magnetic attraction member; 20. a second body; 30. a display screen; 31. a turning part; 40. a timepiece module; 41. a second metal contact; 411. a second contact surface; 42. a toggle part; 43. a dial plate; 44. a hand assembly; 45. a watch case; 451. an opening; 452. a surface; 453. a circuit board; 454. a Light Emitting Diode (LED); 455. a display LCD; 456. inverting glass; 457. Imaging glass; 458. a rear cover; 50. a power supply module; 60. a control module; 70. a switch; 80. an adjustment button; 90. a wrist band.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-6, in order to enhance the use experience of the smart wearable device and extend the endurance thereof, the present embodiment provides a foldable smart wearable device, which includes a first body 10 and a second body 20 as the main bodies of the device, the first body 10 and the second body 20 are pivotally connected to form a hinge portion 11, in this example, the hinge portion 11 forms a reversible connection between the first body 10 and the second body 20 through a crawler-type hinge, so that the first body 10 and the second body 20 can swing around the hinge portion 11 relatively, so as to switch between a folded closed state in which the first body 10 and the second body 20 are attached to each other and the first body 10 and the second body 20 are substantially overlapped in the vertical projection direction of the first body 10 and the second body 20, which refers to a side surface of the first body 10 and the second body 20 provided with a display screen 30, generally, the first body 10 and the second body 20 are flat and rectangular structures, and the display 30 is generally disposed on the side of the first body 10 and the second body 20 with the largest area.

The first body 10 and the second body 20 are both provided with a display screen 30, and in the folded and closed state, the display screens 30 are respectively located at the opposite sides of the first body 10 and the second body 20, so that the display screens 30 are hidden between the two bodies in the folded and closed state. The display screen 30 on the first body 10 and the second body 20 may be a split type or an integrated type, when the display screen 30 on the first body 10 and the second body 20 is the integrated type display screen 30, the display screen 30 is a flexible screen, two ends of the display screen 30 are respectively disposed on the first body 10 and the second body 20, preferably, the display screen 30 is disposed on the first body 10 and the second body 20, the length and the proportion of the display screen 30 are consistent, a turning part 31 corresponding to the first hinge part 11 and turning along with the hinge part 11 is formed in the middle of the flexible screen, in the process of folding, closing or completely unfolding the first body 10 and the second body 20, the turning angle between the first body 10 and the second body 20 is 360 degrees, specifically, the relative angle between the first body 10 and the second body 20 is 180 degrees in the completely unfolded state, and the first body 10 and the second body 20 can be maintained in any angle state, the display screen 30 can be folded, unfolded or formed at a certain angle with the first body 10 and the second body 20. In this embodiment, a crawler-type hinge is disposed between the first body 10 and the second body 20, and in the folded and closed state, due to the existence of the crawler-type hinge, the first body 10 and the second body 20 cannot be completely attached to each other, and a certain bending space is reserved for the flexible screen, so that in the folded and closed state, the distance between the first body 10 and the second body 20 respectively close to the hinge portion 11 is greater than the sum of the thicknesses of the first body 10 and the second body 20, so that the first body 10 and the second body 20 are in a "V" shape in the folded and closed state.

In order to make the device still provide basic functions of a watch and a bracelet for a user even in a folded and closed state and ensure the cruising performance of the device to a certain extent, the foldable intelligent wearable device further comprises a clock module 40, the clock module 40 is arranged on the first body 10 or the second body 20, the clock module 40 is used for providing current accurate time for the user, the user does not need to unfold the first body 10 and the second body 20 if only needing to know the current time, the clock module 40 is generally of a conventional common clock structure, such as an electronic clock for displaying time by LEC, a clock for displaying time by using a common dial 43 and a pointer in a matching way, and the clock module 40 is positioned on one side of the first body 10 or the second body 20 away from the display screen 30, so that in the folded and closed state, the clock module 40 is positioned outside the first body 10 or the second body 20, preferably, the clock module 40 and the display screen 30 are respectively arranged on two opposite sides of the first body 10 or the second body 20.

Further, a control module 60 electrically connected to the power supply module 50 and the power supply module 50 is disposed in the first body 10 or the second body 20, the display screen 30 and the clock module 40 are electrically connected to the control module 60, the power supply module 50 is configured to provide electric energy for the display screen 30 and the clock module 40, the control module 60 is configured to process content displayed on the display screen 30, an instruction sent by a user to the device, and a time display number of the clock module 40, and the instruction of the user is processed to form a corresponding signal and then fed back to the display screen 30 for display.

The display screen 30 can be a touch screen, and sends out an instruction to the device by touching the display screen 30, and can also control the device by pressing a key, a switch 70 and an adjusting button 80 are further arranged on one side of the first body 10 or the second body 20 provided with the power supply module 50 and the control module 60, and the switch 70 and the adjusting button 80 are both electrically connected with the control module 60 and used for controlling the start and stop of the clock module 40 and time display.

As a specific embodiment of the clock module 40, a recessed groove 12 is formed on a side of the first body 10 or the second body 20 away from the display screen 30, the clock module 40 is detachably embedded in the recessed groove 12, in this example, a positioning block and a positioning groove 123 matched with each other are formed on a side wall of the recessed groove 12 and the clock module 40, so that the clock module 40 can be embedded in the recessed groove 12 in a correct direction, so that a user can correctly read the time displayed by the clock module 40 when lifting the arm, further, a first metal contact 121 is arranged at the bottom of the recessed groove 12, the first metal contact 121 has a first contact surface 1211, the contact surface is preferably a planar structure, the first metal contact 121 is electrically connected with the control module 60, a second metal contact 41 is arranged at the bottom of the clock module 40, the second metal contact 41 has a second contact surface 411, and the second contact surface 411 is matched with the first contact surface 1211, it is also preferred to be planar structure, and when clock module 40 with correct orientation inlays in caulking groove 12, first metal contact 121 contacts with second metal contact 41 to form the contact electricity and connect, such connected mode can let clock module 40 change dismouting on the organism more easily, the maintenance and the change of clock module 40 of being convenient for, the user also can be with clock module 40 change the style that oneself likes, improves user's use experience.

In order to make the clock module 40 stable in the slot 12 and not easy to separate from the slot 12, the first magnetic attraction pieces 122 are respectively disposed on opposite sides of the slot 12 and the clock module 40, and the magnetic poles of the opposite sides of the first magnetic attraction pieces 122 of the clock module 40 and the slot 12 are opposite to each other, so that when the clock module 40 is disposed in the slot 12 in the correct direction, the two first magnetic attraction pieces 122 can attract each other, so that the clock module 40 can be attracted in the slot 12, and the clock module 40 cannot separate from the slot 12 without being influenced by external force.

The first metal contact 121, the second metal contact 41 and the first magnetic element 122 are preferably partially embedded in the timepiece module 40 and the first body 10 or the second body 20, so that the first metal contact 121, the second metal contact 41 and the first magnetic element 122 are stable in the corresponding components.

On the basis of the structure, the thickness of the clock module 40 is greater than the depth of the caulking groove 12, so that when the clock module 40 is embedded in the caulking groove 12, the upper part of the clock module 40 can extend out of the caulking groove 12, a shifting part 42 is formed on one side of the clock module 40 extending out of the caulking groove 12, and the shifting part 42 can provide a force application part for pulling the clock module 40 out of the caulking groove 12, so that the clock module 40 attracted by the first magnetic attraction piece 122 can be conveniently detached by a user.

The clock module 40 is a conventional clock structure, and the structure mainly includes two:

the clock module 40 comprises a dial 43 embedded in the first body 10 or the second body 20, the dial 43 is generally provided with scale marks or readings at intervals around the outer edge thereof, two opposite sides of the dial 43 are respectively provided with a hand driving mechanism and a hand assembly 44, and the hand driving mechanism is in driving connection with the hand assembly 44 so as to drive the hand assembly 44 to swing around the dial 43 and display corresponding time.

The timepiece module 40 includes a case 45 fitted to the first body 10 or the second body 20, an opening 451 is formed on one side of the case 45, a surface 452 is formed on the side opposite to the opening 451, a circuit board 453, a light emitting diode LED454, a display LCD455, a reverse image glass 456, and an image glass 457 are mounted in the case 45 in this order, and the opening 451 is covered with a rear cover 458.

The clock module 40 with the above two structures is a traditional pointer clock and an electronic clock, and the detailed structure is not described in detail.

The foldable smart wearable device further includes a wrist band 90 having a ring structure for providing a space for a user to insert a hand therein, the first body 10 or the second body 20 is connected to the wrist band 90, the wrist band 90 includes a first end and a second end, and the first end and/or the second end is connected to the first body 10 or the second body 20. The wrist strap 90 may be an integrated structure, or may be a split type structure that is two sections, when the wrist strap 90 is an integrated structure, at least one end of the wrist strap 90 is connected with the first body 10 and the second body 20, the other end of the wrist strap 90 extends to the other end of the first body 10 or the second body 20 along the direction of the circular arc, and is detachably connected or fixedly connected with the first body 10, when the wrist strap 90 is two sections, one end of the two wrist straps 90 is respectively connected with the first body 10 or the second body 20, and the other end of the two wrist straps 90 is detachably connected.

In order to keep the machine body stable in the folded and closed state, the first machine body 10 and the second machine body 20 are respectively provided with a second magnetic attraction piece 13 (not shown), when the machine body and the second machine body 20 are in the folded and closed state, the second magnetic attraction pieces 13 on the first machine body 10 and the second machine body 20 are oppositely arranged, magnetic poles of opposite sides of the second magnetic attraction pieces 13 of the first machine body 10 and the second machine body 20 are opposite, and the second magnetic attraction pieces 13 can be arranged on one sides of the first machine body 10 and the second machine body 20 far away from the hinge portion 11, or can be arranged on the outer edge of the display screen 30.

A locking mechanism (not shown) is disposed between the first body 10 and the second body 20, the locking mechanism can be selectively engaged with or disengaged from each other to lock the first body 10 and the second body 20 in a folded closed state, or to enable the first body 10 and the second body 20 to be relatively unfolded to form a fully unfolded state, the locking mechanism is preferably disposed on a side of the first body 10 and the second body 20 away from the hinge portion 11, the locking mechanism is a locking hook and a locking hole separately disposed on the first body 10 and the second body 20, and the locking hook can be selectively locked into the locking hole, so as to achieve the locking and releasing effects.

Through implementing above-mentioned technical scheme, can let the user also can learn current time under the condition of not launching first organism 10 and second organism 20, simultaneously, traditional clock and watch module 40 is also more power-efficient relatively in the mode that the organism set up the auxiliary screen to guarantee the duration of equipment, improve user's use experience.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides a foldable intelligent wearing equipment which characterized in that includes:

the foldable notebook computer comprises a first machine body (10) and a second machine body (20), wherein the end parts of the first machine body (10) and the second machine body (20) are pivotally connected to form a hinge part (11), and the first machine body (10) and the second machine body (20) can relatively swing around the hinge part (11) so as to be switched between a folding closed state or a fully unfolded state;

the display screen (30) is arranged on one side face of the first machine body (10) and one side face of the second machine body (20), and the display screen (30) is respectively positioned on one side of the first machine body (10) opposite to the second machine body (20) in a folding and closing state;

the clock module (40) is arranged on the first machine body (10) or the second machine body (20) and is positioned on one side of the first machine body (10) or the second machine body (20) departing from the display screen (30), so that the clock module (40) is arranged outside the first machine body (10) or the second machine body (20) in a folded and closed state.

2. The foldable smart wearable device according to claim 1, characterized in that a power supply module (50) and a control module (60) electrically connected to the power supply module (50) are built in the first body (10) or the second body (20);

the display screen (30) and the clock module (40) are electrically connected with the control module (60).

3. The foldable smart wearable device according to claim 2, characterized in that the first body (10) or the second body (20) provided with the power supply module (50) and the control module (60) is further provided with a switch (70) and an adjustment button (80), the switch (70) and the adjustment button (80) being provided at one side of the first body (10) or the second body (20);

the switch (70) and the adjusting button (80) are electrically connected with the control module (60) and used for controlling and adjusting the starting and stopping of the clock module (40) and time display.

4. The folding intelligent wearable device according to claim 2, wherein a caulking groove (12) is formed in a side of the first body (10) or the second body (20) away from the display screen (30), and the clock module (40) is detachably embedded in the caulking groove (12);

caulking groove (12) bottom is provided with first metal contact head (121), first metal contact head (121) with control module (60) electric connection, clock and watch module (40) bottom is equipped with second metal contact head (41), works as clock and watch module (40) are inlayed in caulking groove (12), first metal contact head (121) with second metal contact head (41) contact, with clock and watch module (40) with control module (60) form the contact electricity and are connected.

5. The foldable smart wearable device according to claim 4, characterized in that the opposite sides of the bezel (12) and the watch module (40) are respectively provided with a first magnetic attraction member (122), and the magnetic poles of the opposite sides of the bezel (12) and the first magnetic attraction member (122) of the watch module (40) are opposite;

the thickness of the clock module (40) is larger than the depth of the caulking groove (12), and a shifting part (42) is formed on one side, extending out of the caulking groove (12), of the clock module (40).

6. Folding smart wearable device according to any of claims 1 to 5, characterized in that the timepiece module (40) comprises a dial (43) embedded in the first body (10) or the second body (20);

the dial plate is characterized in that a dial needle driving mechanism and a dial needle assembly (44) are respectively arranged on two opposite sides of the dial plate (43), and the dial needle driving mechanism is in driving connection with the dial needle assembly (44) so as to drive the dial needle assembly (44) to swing around the dial plate (43) and display corresponding time.

7. Folding smart wearable device according to any of claims 1 to 5, characterized in that the timepiece module (40) comprises a watch case (45) embedded in the first body (10) or the second body (20);

an opening (451) is formed on one side of the watch case (45), a surface (452) is formed on the side opposite to the opening (451), a circuit board (453), a light emitting diode (454), a display LCD (455), a piece of inverted image glass (456) and an imaging glass (457) are sequentially arranged in the watch case (45), and the opening (451) is covered with a rear cover (458).

8. The foldable smart wearable device according to claim 1, further comprising a wrist strap (90) in a ring structure, wherein the first body (10) or the second body (20) is connected to the wrist strap (90);

the wrist band (90) includes a first end and a second end, and the first end and/or the second end is connected to the first body (10) or the second body (20).

9. The folding intelligent wearable device according to claim 1, wherein the first body (10) and the second body (20) are respectively provided with a second magnetic attraction piece (13);

when the machine body and the second machine body (20) are in a folding and closing state, the second magnetic attraction piece (13) on the first machine body (10) and the second machine body (20) are oppositely arranged, and the magnetic poles on the opposite side of the second magnetic attraction piece (13) of the first machine body (10) and the second machine body (20) are opposite.

10. The foldable smart wearable device according to claim 1, characterized in that a locking mechanism is provided between the first body (10) and the second body (20), the locking mechanism being selectively engageable or disengageable to enable the first body (10) and the second body (20) to be locked in a folded closed state or to enable the first body (10) and the second body (20) to be relatively unfolded into a fully unfolded state.

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