CN111904127A

CN111904127A - Multipurpose travel suitcase

Info

Publication number: CN111904127A
Application number: CN202010840665.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2020-11-10

Abstract

The invention discloses a multipurpose travel suitcase, which belongs to travel suitcases and comprises an upper case body and a lower case body, wherein the lower half part of the upper case body is sleeved in the lower case body; through setting up box and lower box, will go up the box and cup joint the inside of box under, the box removes in the pulling, the box is pulled out from the internal portion of lower box to going up, the inside storage space of box and lower box has been increaseed, avoid people's article more storage not down, the storage space of last box and lower box has been increaseed, and utilize solar cell panel to supply power to the battery, provide the power for display screen and the megaphone of inlaying at the last box back, use smart mobile phone and control mainboard wireless connection when people have a rest, can play music and look the screen, the functionality of case and bag has been increased, and the USB interface that charges of case and bag both sides also can charge the cell-phone, avoid the cell-phone to have no electricity and can't contact the communication with the external world.

Description

Multipurpose travel suitcase

Technical Field

The invention relates to the field of bags, in particular to a multipurpose travel bag.

Background

With the continuous improvement of living and consumption level of people, various bags become indispensable ornaments around people. People require that the case and bag products not only have enhanced practicability, but also have the main development of decoration. The material of case and bag is more diversified, and the fashion trend is led to the texture case and bag such as genuine leather, PU, dacron, canvas, cotton-flax. Meanwhile, in the era of more and more brand personalities, various styles such as conciseness, vintage, cartoon and the like also meet the requirement of fashion people for developing personalities from different sides.

People also often can carry the case and bag to go out a journey when travelling, but present case and bag functional is less, if at the in-process of journey at outdoor rest, and cell-phone electric quantity is used up and can't charge, and also the boring of comparison when having a rest moreover, so current case and bag can't satisfy people's demand yet to the size of the unable adjustment space storage of current case and bag, can't once only all carry when article are more.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a multipurpose travel suitcase which is provided with an upper suitcase body and a lower suitcase body, wherein the upper suitcase body is sleeved inside the lower suitcase body, the upper suitcase body is pulled to move, the upper suitcase body is pulled out of the lower suitcase body, the storage space inside the upper suitcase body and the lower suitcase body is enlarged, the situation that more articles are stored is avoided, the storage space of the upper suitcase body and the storage space of the lower suitcase body are enlarged, a solar cell panel is used for supplying power to a storage battery, a display screen and a loudspeaker which are embedded in the back of the upper suitcase body are provided with power, a smart phone is used for being wirelessly connected with a control mainboard when people have a rest, music and a video screen can be played, the functionality of the suitcase is improved, and USB charging interfaces on two sides of the suitcase can also charge the mobile phone, so that the mobile phone cannot be communicated with the outside when the suitcase is.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A multipurpose travel suitcase comprises an upper box body and a lower box body, wherein the lower half part of the upper box body is sleeved inside the lower box body, two sides of the lower end of the upper box body are fixedly connected with limit sliders, the inner wall of the upper end of the lower box body is connected with a sliding groove in a sliding manner corresponding to the limit sliders, the limit sliders are connected with the sliding groove in a sliding manner, the left side and the right side of the upper box body and the lower box body are respectively provided with a fastening mechanism, the inner wall of the lower box body is provided with a limit mechanism, the lower end of the upper box body is movably connected with the limit mechanism, the front sides of the upper box body and the lower box body are respectively provided with a placing opening, the inner edges of the placing openings are respectively connected with a sealing cover through a zipper component in a meshing manner, the lower end of the lower box body is fixedly connected with a universal wheel, the back side of the upper end of the upper box body is, the bottom of the square groove is provided with an accommodating groove, the inside of the accommodating groove is movably connected with a stop block, the stop block is movably connected with a connecting plate, the back of the lower box body is provided with an energy storage groove, a solar cell panel is embedded in the energy storage groove, the left side of the inside of the energy storage groove is hinged with a guard plate, the guard plate and the connecting plate are both limited by a clamping mechanism, the bottom of the inner side of the lower box body is provided with a battery cavity, the inside of the battery cavity is provided with a storage battery, the storage battery is electrically connected with the solar cell panel, the bottom of the inner side of the lower box body is provided with a control main board, the storage battery and a display screen are both electrically connected with the control main board, the two sides of the lower box body are both embedded with loudspeakers, the loudspeakers are electrically connected with the control main board, the upper box body is sleeved in the lower box body by arranging the upper box body and the lower box, the inside storage space of last box and lower box has been increaseed, avoid the more storage of people's article not down, the storage space of last box and lower box has been increaseed, and utilize solar cell panel to supply power to the battery, provide the power for display screen and the megaphone of inlaying at the last box back, use smart mobile phone and control mainboard wireless connection when people have a rest, can play music and look the screen, the functionality of case and bag has been increased, and the USB interface that charges of case and bag both sides also can charge the cell-phone, avoid the cell-phone to have no electricity unable and external contact communication.

Further, go up the box and all be equipped with the protective housing that the material was made for the ABS resin in the outside of box down, the outside of protective housing is equipped with the leather layer, and the protective housing is made for the ABS resin, and is not only light in the use in later stage, and bearing nature is high moreover, prevents to go up box and lower box and is crushed by pressure, and the skin sets up the leather layer and has also improved the wearability of going up box and lower box, has prolonged the life of case and bag.

Further, the fastening mechanism includes buckle and pothook, buckle fixed connection is at the lateral wall of box down, pothook fixed connection is at the lateral wall of last box, buckle and pothook fastening joint articulate with the couple through hanging in the fastening mechanism, lock the position of last box and box down, and when going up the box and retracting box down, prevented the inside activity of last box under box, be favorable to going forward further fastening to last box and lower box.

Furthermore, stop gear includes spring groove, compression spring and spacing fixture block, the inner wall of box under is seted up to the spring groove, compression spring fixed connection is in the inside of spring groove, spacing fixture block is pegged graft in the inside of spring groove, and spacing fixture block and compression spring fixed connection, when pulling out last box from the inside of box down, go up the box and pull out stop gear's upper end, spacing fixture block among the stop gear pops out through compression spring's elasticity from the inside of spring groove, spacing lower extreme to last box, is favorable to the rigidity to last box, has stabilized the stability of case and bag space expansion back structure.

Further, screens mechanism includes arc wall, pivot and turning handle, the arc wall has all been seted up in the upper end of connecting plate and the left side of backplate, and goes up the box back and the position that the box back corresponds connecting plate and backplate arc wall down has also seted up the same arc wall, the inside of going up box and box back arc wall down is rotated through the pivot and is connected with the turning handle, blocks connecting plate and backplate respectively behind square groove and the energy storage groove, is rotating the turning handle at two places, makes inside two arc walls were taken into respectively to the both ends of turning handle, can carry on spacingly to backplate and connecting plate, has strengthened protecting display screen and solar cell panel, prevents to receive destruction.

Further, the charging groove has all been seted up to the both sides of box down, the inside in charging groove is equipped with the USB interface that charges, and USB charges interface and control mainboard electric connection, the inside joint in charging groove has the fender lid, and the people of being convenient for charge the cell-phone.

Furthermore, the WIFI connecting module is arranged inside the control mainboard and can be in radio connection with the smart phone and the tablet computer, and the WIFI connecting module is connected with the external smart phone, so that data of the smart phone can be conveniently transmitted to the control mainboard.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through setting up box and lower box, will go up the box and cup joint the inside of box under, the box removes in the pulling, the box is pulled out from the internal portion of lower box to going up, the inside storage space of box and lower box has been increaseed, avoid the more storage of people's article not down, the storage space of last box and lower box has been increaseed, and utilize solar cell panel to supply power to the battery, provide the power for display screen and the megaphone of inlaying at the last box back, use smart mobile phone and control mainboard wireless connection when people have a rest, can play the music and look the screen, the functionality of case and bag has been increased, and the USB interface that charges of case and bag both sides also can charge the cell-phone, avoid the cell-phone to have no electricity can't contact the communication with the external world.

(2) Go up the box and all be equipped with the protective housing that the material was made for the ABS resin with the outside of box down, the outside of protective housing is equipped with the leather layer, and the protective housing is made for the ABS resin, and is not only light in the use in later stage, and bearing nature is high moreover, prevents to go up box and box down and is crushed, and the skin sets up the leather layer and has also improved the wearability of going up box and box down, has prolonged the life of case and bag.

(3) The fastening mechanism comprises a buckle and a hook, the buckle is fixedly connected with the side wall of the lower box body, the hook is fixedly connected with the side wall of the upper box body, the buckle and the hook are fastened through the hanging buckle in the fastening mechanism, the position of the upper box body and the position of the lower box body are locked, and when the upper box body is retracted into the lower box body, the internal movement of the upper box body in the lower box body is prevented, and the further fastening of the upper box body and the lower box body is facilitated.

(4) Stop gear includes the spring groove, compression spring and spacing fixture block, the inner wall of box under is seted up to the spring groove, compression spring fixed connection is in the inside in spring groove, spacing fixture block is pegged graft in the inside in spring groove, and spacing fixture block and compression spring fixed connection, when the inside pull-out of last box from the lower box, go up the box and pull out stop gear's upper end, spacing fixture block among the stop gear pops out through compression spring's elasticity from the inside in spring groove, it is spacing to the lower extreme of last box, be favorable to the rigidity to last box, the stability of case and bag space expansion back structure has been stabilized.

(5) Screens mechanism includes the arc wall, pivot and turning handle, the arc wall has all been seted up in the upper end of connecting plate and the left side of backplate, and go up the box back and the position that the box back corresponds connecting plate and backplate arc wall down has also seted up the same arc wall, the inside of going up box and box back arc wall down is rotated through the pivot and is connected with the turning handle, go into the connecting plate respectively with the backplate behind square groove and the energy storage tank, turning handle at rotation two places, inside two arc walls were taken into respectively to the both ends that make the turning handle, can carry on spacingly to backplate and connecting plate, strengthened protecting display screen and solar cell panel, prevent to receive destruction.

(6) The WIFI connection module is arranged inside the control main board, can be in wireless connection with the smart phone and the tablet computer, is connected with the external smart phone through the WIFI connection module, and is convenient to transmit data of the smart phone to the control main board.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic drawing of the upper case pull-out configuration of the present invention;

FIG. 4 is a schematic view of the connection plate and fender opening configuration of the present invention;

FIG. 5 is a rear view of the present invention;

FIG. 6 is a side view of the present invention;

FIG. 7 is a partial side cross-sectional view of the present invention;

fig. 8 is a schematic diagram of a circuit connection module according to the present invention.

The reference numbers in the figures illustrate:

1. an upper box body; 2. a lower box body; 3. a limiting slide block; 4. a chute; 5. a fastening mechanism; 51. buckling; 52. a hook; 6. a limiting mechanism; 61. a spring slot; 62. a compression spring; 63. a limiting clamping block; 7. a placement port; 8. a zipper assembly; 9. sealing the cover; 10. a universal wheel; 11. a pull rod; 12. a square groove; 13. a display screen; 14. a connecting plate; 15. a receiving groove; 16. a stopper; 17. an energy storage tank; 18. a solar panel; 19. a guard plate; 20. a clamping mechanism; 201. an arc-shaped slot; 202. a rotating shaft; 203. a handle is rotated; 21. a battery cavity; 22. a storage battery; 23. a control main board; 24. a loudspeaker; 25. a protective shell; 26. a charging slot; 27. a USB charging interface; 28. a blocking cover; 29. and a WIFI connection module.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a multipurpose traveling case comprises an upper case 1 and a lower case 2, wherein the lower half part of the upper case 1 is sleeved inside the lower case 2, both sides of the lower end of the upper case 1 are fixedly connected with a limit slider 3, the inner wall of the upper end of the lower case 2 is slidably connected with a chute 4 corresponding to the limit slider 3, the limit slider 3 is slidably connected with the chute 4, both sides of the upper case 1 and the lower case 2 are provided with a fastening mechanism 5, the inner wall of the lower case 2 is provided with a limit mechanism 6, the lower end of the upper case 1 is movably connected with the limit mechanism 6, the front surfaces of the upper case 1 and the lower case 2 are provided with a placing opening 7, the inner edge of the placing opening 7 is engaged and connected with a sealing cover 9 through a zipper assembly 8, the lower end of the lower case 2 is fixedly connected with a universal wheel 10, the back surface of the upper end of the upper case 1 is fixedly provided with a pull rod, the bottom of the inner side of the lower box body 2 is provided with a battery cavity 21, the battery cavity 21 is internally provided with a storage battery 22, the storage battery 22 is electrically connected with the solar panel 18, the bottom side of the inner part of the lower box body 2 is provided with a control mainboard 23, the storage battery 22 and the display screen 13 are both electrically connected with the control mainboard 23, the outer sides of the upper box body 1 and the lower box body 2 are both provided with protective shells 25 made of ABS resin, the outer sides of the protective shells 25 are provided with leather layers, the protective shells 25 are made of ABS resin, the box body is not only light and high in bearing capacity in later use, and can prevent the upper box body 1 and the lower box body 2 from being crushed, the outer layers are provided with leather layers, so that the wear resistance of the upper box body 1 and the lower box body 2 is improved, the service life of the luggage is prolonged, the fastening mechanism 5 comprises a buckle 51 and a hook 52, the buckle 51 is fixedly connected with the side wall of the lower box, buckle 51 and pothook 52 lock joint, hang through the knot of hanging in the buckle mechanism 5 and couple and articulate, lock the position of last box 1 and lower box 2, when going up box 1 retraction box 2 down, prevented last box 1 at the inside activity of box 2 down, be favorable to carrying out further fastening to last box 1 and lower box 2.

Referring to fig. 4-5, a square groove 12 is formed on the back of the upper case 1, a display 13 is embedded in the square groove 12, a connecting plate 14 is hinged to the bottom side of the square groove 12 through a hinge shaft, a receiving groove 15 is formed in the bottom of the square groove 12, a stopper 16 is movably connected to the inside of the receiving groove 15, the stopper 16 is movably connected to the connecting plate 14, an energy storage groove 17 is formed in the back of the lower case 2, a solar panel 18 is embedded in the energy storage groove 17, the solar panel 18 supplies power to a storage battery 22 through a photovoltaic converter, a guard plate 19 is hinged to the left side of the inside of the energy storage groove 17, the guard plate 19 and the connecting plate 14 are both limited by a clamping mechanism 20, the clamping mechanism 20 includes an arc-shaped groove 201, a rotating shaft 202 and a rotating handle 203, an arc-shaped groove 201 is formed in the upper end of the connecting plate 14 and the left, and the same arc-shaped groove 201 has also been seted up to the position that goes up box 1 back and 2 backs of lower box and correspond connecting plate 14 and 19 arc-shaped grooves 201 of backplate, the inside of going up box 1 and 2 backs of lower box rotates through pivot 202 and is connected with turning handle 203, after connecting plate 14 and backplate 19 block into square groove 12 and energy storage tank 17 respectively, turning handle 203 rotating two places makes the both ends of turning handle 203 take into two arc-shaped grooves 201 inside respectively, can carry on spacingly to backplate 19 and connecting plate 14, has strengthened protecting display screen 13 and solar cell panel 18, prevents to receive the destruction.

Referring to fig. 6, the limiting mechanism 6 includes a spring groove 61, a compression spring 62 and a limiting fixture block 63, the spring groove 61 is formed in the inner wall of the lower case 2, the compression spring 62 is fixedly connected inside the spring groove 61, the limiting fixture block 63 is inserted inside the spring groove 61, and the limiting fixture block 63 is fixedly connected with the compression spring 62, when the upper case 1 is pulled out from the inside of the lower case 2, the upper case 1 is pulled out to the upper end of the limiting mechanism 6, the limiting fixture block 63 in the limiting mechanism 6 is ejected out from the inside of the spring groove 61 by the elastic force of the compression spring 62 to limit the lower end of the upper case 1, which is beneficial to fixing the position of the upper case 1 and stabilizing the stability of the structure after the space of the luggage is expanded.

Referring to fig. 7-8, charging grooves 26 are formed in both sides of the lower box body 2, a USB charging interface 27 is arranged inside the charging grooves 26, the USB charging interface 27 is electrically connected with the control main board 23, a blocking cover 28 is clamped inside the charging grooves 26, so that people can conveniently charge the mobile phone, microphones 24 are embedded in both sides of the lower box body 2, the microphones 24 are electrically connected with the control main board 23, a WIFI connection module 29 is arranged inside the control main board 23, the WIFI connection module 29 can be wirelessly connected with the smart phone and the tablet computer, and is connected with an external smart phone through the WIFI connection module 29, so that data of the smart phone can be conveniently transmitted to the control main board 23.

Referring to fig. 1-8, in use, if more luggage articles are stored, the fastening mechanism 5 at the joint between the two sides of the upper case 1 and the lower case 2 is opened to enable the upper case 1 to move, then the upper case 1 is pulled to move, the upper case 1 slides inside the sliding grooves 4 at the two sides of the inner wall of the lower case 2 through the limiting sliders 3 at the two sides, which is beneficial to pulling the upper case 1 out of the lower case 2, after the upper case 1 is pulled out of the lower case 2, the upper case 1 appears at the upper end of the limiting mechanism 6, the limiting fixture 63 in the limiting mechanism 6 is popped out from the spring groove 61 through the elastic force of the compression spring 62 to limit the lower end of the upper case 1, so as to increase the storage space inside the upper case 1 and the lower case 2 and avoid more articles being stored, then the zipper assembly 8 inside the storage opening 7 is pulled to open the sealing cover 9, and articles are respectively placed into the upper case 1 and the lower case 2, the storage space of the upper box body 1 and the lower box body 2 is enlarged, when the solar energy battery panel 18 is used for collecting light heat energy and converting the light heat energy into electric energy to supply power to the storage battery 22 when the solar energy battery panel is outdoors, the display screen 13 and the loudspeaker 24 which are embedded on the back surface of the upper box body 1 are provided with power, when people have a rest, the intelligent mobile phone is wirelessly connected with the control mainboard 23, music and video screens can be played, the functionality of the case is increased, the USB charging interfaces 27 on the two sides of the case can also charge the mobile phone, the situation that the mobile phone is out of power and cannot communicate with the outside is avoided, when the solar energy battery panel 18 and the display screen 13 are not used, the connecting plate 14 and the protective plate 19 are respectively clamped into the square groove 12 and the energy storage groove 17, the rotating handles 203 on the two positions are rotated, the two ends of the rotating handles 203 are respectively embedded into the two arc-shaped grooves 201, the protective plate 19 and the connecting, prevent to receive destruction to when opening connecting plate 14, take dog 16 out from accomodating groove 15, dog 16 blocks connecting plate 14, makes connecting plate 14 and last box 1 form the ninety degree contained angle, can place article in the upper end of connecting plate 14, perhaps has eaten dinner in the field and has also made things convenient for and has placed the tableware and have watched the video while having dinner.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a multipurpose travel suitcase, includes last box (1) and lower box (2), its characterized in that: the lower half part of the upper box body (1) is sleeved inside the lower box body (2), both sides of the lower end of the upper box body (1) are fixedly connected with limiting sliders (3), the inner wall of the upper end of the lower box body (2) corresponds to the limiting sliders (3) and is connected with a sliding groove (4) in a sliding manner, the limiting sliders (3) are connected with the sliding groove (4) in a sliding manner, the left side and the right side of the upper box body (1) and the right side of the lower box body (2) are respectively provided with a buckling mechanism (5), the inner wall of the lower box body (2) is provided with a limiting mechanism (6), the lower end of the upper box body (1) is movably connected with the limiting mechanism (6), the front sides of the upper box body (1) and the lower box body (2) are respectively provided with a placing opening (7), the inner edge of the placing opening (7) is connected with a sealing cover (9) through a zipper component (8, the solar energy storage box is characterized in that a pull rod (11) is fixedly mounted on the back of the upper end of the upper box body (1), a square groove (12) is formed in the back of the upper box body (1), a display screen (13) is embedded in the square groove (12), a connecting plate (14) is hinged to the bottom side of the square groove (12) through a hinge shaft, a storage groove (15) is formed in the bottom of the square groove (12), a stop block (16) is movably connected to the inside of the storage groove (15), the stop block (16) is movably connected with the connecting plate (14), an energy storage groove (17) is formed in the back of the lower box body (2), a solar cell panel (18) is embedded in the energy storage groove (17), a protective plate (19) is hinged to the left side of the inside of the energy storage groove (17), the protective plate (19) and the connecting plate (14) are both limited through a clamping mechanism (20), and a battery cavity, the inside of battery chamber (21) is equipped with battery (22), and battery (22) and solar cell panel (18) electric connection, the inside bottom side of box (2) is equipped with control mainboard (23) down, and battery (22) and display screen (13) all with control mainboard (23) electric connection, loudspeaker (24) have all been inlayed to the both sides of box (2) down, and loudspeaker (24) and control mainboard (23) electric connection.

2. A multi-purpose travel bag according to claim 1, wherein: go up the outside of box (1) and lower box (2) and all be equipped with protective housing (25) that the material was made for the ABS resin, the outside of protective housing (25) is equipped with the leather layer.

3. A multi-purpose travel bag according to claim 1, wherein: the fastening mechanism (5) comprises a buckle (51) and a hook (52), the buckle (51) is fixedly connected with the side wall of the lower box body (2), the hook (52) is fixedly connected with the side wall of the upper box body (1), and the buckle (51) is fastened with the hook (52).

4. A multi-purpose travel bag according to claim 1, wherein: the limiting mechanism (6) comprises a spring groove (61), a compression spring (62) and a limiting clamping block (63), the spring groove (61) is formed in the inner wall of the lower box body (2), the compression spring (62) is fixedly connected inside the spring groove (61), the limiting clamping block (63) is inserted inside the spring groove (61), and the limiting clamping block (63) is fixedly connected with the compression spring (62).

5. A multi-purpose travel bag according to claim 1, wherein: screens mechanism (20) include arc wall (201), pivot (202) and turning handle (203), arc wall (201) have all been seted up to the upper end of connecting plate (14) and the left side of backplate (19), and go up box (1) the back and correspond the position of connecting plate (14) and backplate (19) arc wall (201) with lower box (2) the back and also seted up same arc wall (201), the inside of going up box (1) and lower box (2) back arc wall (201) is rotated through pivot (202) and is connected with turning handle (203).

6. A multi-purpose travel bag according to claim 1, wherein: charging grooves (26) have all been seted up to the both sides of lower box (2), the inside in charging groove (26) is equipped with the USB interface (27) that charges, and USB charge interface (27) and control mainboard (23) electric connection, the inside joint in charging groove (26) has fender lid (28).

7. A multi-purpose travel bag according to claim 1, wherein: the control system is characterized in that a WIFI connecting module (29) is arranged inside the control main board (23), and the WIFI connecting module (29) can be in radio connection with the smart phone and the tablet computer.