CN218790967U - Luggage case with functions of clothes dryer, drying towel rack and draw-bar box - Google Patents

Abstract

The utility model relates to a draw-bar box technical field especially relates to a take suitcase of dryer, stoving towel rail, draw-bar box function, and its box includes braced frame, face guard, inside lining, extends the member, dries in the air and hangs member, pull rod, folding gyro wheel, ozone generating device, cold and hot fan, air discharge fan, generate heat piece and controller. The utility model provides a luggage case with three functions of a draw-bar box, a clothes dryer and a drying towel rack; when the draw-bar box is in use, the extension rod piece and the hanging rod piece are both hidden, and the luggage box can be pulled or pushed to walk by pulling out the draw bar and turning over the folding rollers; when the drying towel rack is in a use state, the extension rod piece and the pull rod are hidden, the drying and hanging rod piece is pulled out, and the air outlet of the cold and hot air fan is turned to face the drying and hanging rod piece; under the clothes dryer use state, hang the member and the pull rod all hides in the sunning, pulls out and extends the member, changes the air outlet of cold and hot fan to the clothes dryer cavity of orientation to in addition sheathe crotch and clothes dryer overcoat on the extension rod.

Description

Luggage case with functions of clothes dryer, drying towel rack and draw-bar box

Technical Field

The utility model relates to a draw-bar box technical field especially relates to a take suitcase of dryer, stoving towel rail, draw-bar box function.

Background

The household clothes dryer is a cleaning household appliance which instantly evaporates and dries moisture in clothes by utilizing electric heating, and is particularly suitable for the conditions that the clothes are difficult to dry in winter in the north and in 'back-to-south' in the south. At present, a common clothes dryer generally includes a supporting frame, a cloth cover connected to the supporting frame, a clothes drying chamber formed in the cloth cover, and a drying device connected to the supporting frame for providing hot air to the drying chamber. The prior dryer structure can be referred to the Chinese utility model patent with publication number CN217869625U and publication number 2022.11.22.

The drying towel rack is a novel towel rack which is set up in recent years, generally has a dry-wet separation heating function, the common drying towel rack comprises a drying seat, a power plug is fixedly connected to the surface of one side of the drying seat, a placing mechanism is arranged on the upper surface of the drying seat, and a hanging mechanism is arranged below the drying seat. Through setting up and hanging mechanism and placement mechanism, utilize splint to clip the moist towel and hang in the below of stoving mouth, fold the towel after the drying and place inside the tray, realize the wet-dry separation of towel. The prior drying towel rack structure can be referred to the Chinese utility model patent with publication number CN 217592675U and publication number 2022.10.18.

The luggage case, also called as travel suitcase and draw-bar box, is a case which is carried when going out and used for placing articles, and is a common article for traveling when going out. Along with the higher and higher requirements of people on sanitation in outgoing, the people often carry towels when going out, so that the problems of drying and storing wet towels and wet clothes are often faced. These requirements are difficult to meet with existing luggage cases.

In view of this, it is very important to develop and design a suitcase that integrates the dryer, the drying towel rack and the draw-bar box into a whole.

It should be noted that the contents described in the background art are made by the inventor based on the technical level, knowledge level and searching ability of the inventor, and are only used for reference. Moreover, the contents described in the background art are not always completely the prior art, and the contents in the background art are not meant to be accurate and objective; this is not to be construed as limiting the scope of the invention as defined by the claims appended hereto.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collect clothes dryer, dry towel rail and draw-bar box multi-functional in suitcase of an organic whole, for solving one or more technical problem that exists among the prior art, provide a profitable selection or create the condition at least.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A luggage case with functions of a clothes dryer, a drying towel rack and a draw-bar box comprises a supporting frame, a face shield, a lining, an extension rod piece, a hanging rod piece, a pull rod, a folding roller, an ozone generating device, a cold-hot air blower, an exhaust fan, a heating piece and a controller, wherein the extension rod piece, the hanging rod piece, the pull rod, the roller, the ozone generating device and the controller are arranged on the supporting frame; the mask is sleeved outside the support frame, and the lining is positioned in the support frame and is detachably connected with the mask through a connecting piece; a first opening corresponding to the cold and hot air blower and a second opening corresponding to the exhaust fan are arranged on the face shield and the lining; the cold and hot air blower is rotatably arranged for providing cold and hot air blown into or out of the box body, the exhaust fan is used for exhausting gas in the box body, and the ozone generating device is used for providing ozone sterilization; the controller is connected with the ozone generating device, the cold and hot air blower, the exhaust fan and the heating sheet; the face mask is provided with a third opening corresponding to the pull rod, a fourth opening corresponding to the folding roller, a fifth opening corresponding to the extending rod and a sixth opening corresponding to the hanging rod, and the heating piece is arranged between the lining and the face mask.

More preferably, the supporting frame comprises a front end supporting column, a rear end supporting column, a connecting rod, a front framework and a rear framework, the front framework is connected with the front end supporting column, the rear framework is connected with the rear end supporting column, and the connecting rod is detachably connected between the front end supporting column and the rear end supporting column; the front end supporting column, the rear end supporting column and the connecting rod are assembled together to form a rectangular square frame structure.

More preferably, the connecting rod is composed of two connecting sections in threaded connection with each other, and each connecting section is rotatably connected with the end supporting column and the rear end supporting column respectively.

More preferably, two ends of the connecting rod are provided with connecting ends which are perpendicular to the rod body and respectively extend towards two sides, the two connecting ends are respectively rotatably mounted with the front end supporting column and the rear end supporting column, one connecting end and one of the front end supporting column and the rear end supporting column form lifting reset connection through a spring, and the other connecting end and the other of the front end supporting column and the rear end supporting column form movable splicing; and under the natural state of the spring, the other connecting end is inserted in the inserting hole on the front end supporting column or the rear end supporting column.

More preferably, the both ends of connecting rod are equipped with the link perpendicular with the member body, a link with one of front end support column with in the rear end support column constitutes to rotate and is connected, another link with the front end support column with in the rear end support column another passes through the buckle joint fixed.

More preferably, the extension rods are telescopic rods and are correspondingly arranged and fixed at the corners of the support frame one by one; or the extension rod is a segmented splicing rod, and the support frame is provided with a connecting groove or a connecting column for installing the splicing rod.

When the clothes dryer is assembled, the extending rod pieces are firstly stretched out, then the fork frame is arranged to fix the positions of the extending rod pieces, and finally the clothes dryer jacket is sleeved.

More preferably, the hanging rod is a telescopic rod which is arranged on the supporting frame and can be positioned in a telescopic way; when the luggage case serves as the clothes dryer and the draw-bar box, the airing and hanging rod piece is hidden in the supporting frame, and when the luggage case serves as the drying towel rack, the airing and hanging rod piece is pulled out.

More preferably, magic tapes for sealing the openings are arranged corresponding to the openings, and when a certain opening is not needed to be used, the opening is sealed through the magic tapes, so that the attractiveness and the sealing performance are ensured.

More preferably, the luggage further comprises a temperature sensor disposed in the box body and connected to the controller; when the luggage box is used as a clothes dryer and a drying towel rack, the temperature in the box body is detected in real time through the temperature sensor, and when the temperature in the box body is too high, the cold and hot air fan and/or the heating sheet are automatically controlled through the controller to stop heating.

More preferably, a power interface, a hanging hole and a wall-hanging preformed hole are reserved on the side portion of the box body, the power interface is used for connecting a main power plug, the hanging hole is used for hanging a drying rope, and the wall-hanging preformed hole is used for realizing wall-hanging installation of the drying towel rack.

The technical scheme provided by the utility model, following technological effect or advantage have at least.

The utility model provides a suitcase has draw-bar box, dryer and three kinds of functions of stoving towel rail. 1) When the draw-bar box is in use, the extension rod piece and the hanging rod piece are both hidden in the corresponding openings, and at the moment, the draw bar is pulled out and the folding rollers are turned out, so that the luggage box can be pulled or pushed to walk; 2) When the towel drying rack is in a use state, the extension rod piece and the pull rod are hidden in the corresponding openings, at the moment, the airing and hanging rod piece is pulled out, and the air outlet of the cold and hot fan is rotated to face the airing and hanging rod piece, so that the wet towel can be dried; 3) When the clothes dryer is in use, the hanging rod piece and the pull rod are hidden in the corresponding openings, at the moment, the extension rod piece is pulled out, the air outlet of the cold and hot air blower is turned to face the cavity of the clothes dryer, and the fork frame and the clothes dryer jacket are sleeved on the extension rod; the functions are various, and the switching among various functions is very convenient.

Drawings

Fig. 1 is a schematic structural view of a charging trolley case for a luggage case provided in embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of fig. 1 from another view angle.

Fig. 3 is a schematic structural view of the support frame.

Fig. 4 is a schematic view showing the structure of the mask.

Fig. 5 is a schematic view of the structure of the liner.

Fig. 6 is a schematic view of the suitcase serving as a towel drying rack according to embodiment 1 of the present invention.

Fig. 7 is a schematic view of the luggage case provided in embodiment 1 of the present invention as a clothes dryer.

Fig. 8 is a schematic view of the clothes dryer jacket of fig. 7 being sleeved.

Fig. 9 is a schematic structural view of the support frame from another perspective.

Fig. 10 is a schematic view of a supporting frame in embodiment 2 of the present invention.

Fig. 11 is a schematic view illustrating a case of the present invention, which is used as a towel drying rack according to embodiment 2.

Fig. 12 is a schematic view of the luggage case provided in embodiment 2 of the present invention as a clothes dryer.

Fig. 13 is a schematic view of a support frame according to embodiment 3 of the present invention.

Fig. 14 is a schematic view of a connecting rod snap-fit connection according to embodiment 3 of the present invention.

Fig. 15 is a schematic view illustrating a furled state of the supporting frame in embodiment 3 of the present invention.

Reference numerals indicate the same.

1: support frame, 2: face mask, 3: inner liner, 4: extension bar, 5: hanging rod piece, 6: pull rod, 7: folding roller, 8: ozone generating device, 9: cold and hot fan, 10: exhaust fan, 11: heat generating sheet, 12: controller, 13: power plug, 14: fork, 15: hanging hole, 16: airing rope, 17: door, 18: dryer jacket, 19: buckle, 20: and hanging a preformed hole on the wall.

1-1: front end support post, 1-2: rear end support post, 1-3: connecting rod, 1-4: front skeleton, 1-5: and (4) a rear framework.

Detailed Description

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary by referring to the drawings, are intended to explain the present invention, and should not be construed as limiting the present invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Example 1.

Referring to fig. 1-5, a luggage case with functions of a clothes dryer, a drying towel rack and a draw-bar box comprises a support frame 1, a face mask 2, a lining 3, an extension rod 4, a hanging rod 5, a draw-bar 6, a folding roller 7, an ozone generating device 8, a cold/hot air blower 9, an exhaust fan 10, a heating plate 11 and a controller 12, wherein the extension rod 4, the hanging rod 5, the draw-bar 6, the roller 7, the ozone generating device 8 and the controller 12 are arranged on the support frame 1; the mask 2 is sleeved outside the support frame 1, the lining 3 is positioned in the support frame 1 and is detachably connected with the mask 2 through a connecting piece, for example, the lining is detachably connected through a thread gluing or a smashing buckle; a first opening corresponding to the cold and hot air blower 9 and a second opening corresponding to the exhaust fan 10 are arranged on the face shield 2 and the lining 3; the cold and hot air blower 9 is used for providing cold and hot air and is rotatably positioned and installed on one side of the hanging rod piece 5, and an air outlet of the cold and hot air blower 9 can face the inside or the outside of the box by rotating; the exhaust fan 10 is disposed near the extension side of the extension bar 4 to exhaust the gas in the tank; the ozone generating device 8 is used for generating ozone, removing peculiar smell in a certain space and inhibiting mould in the air; the controller 12 is connected with the ozone generating device 8, the cold and hot air blower 9, the exhaust fan 10 and the heating plate 11 to control the operations thereof; a third opening corresponding to the pull rod 6 and a fourth opening corresponding to the folding roller 7 are arranged on the face mask 2, and the heating sheet 11 is arranged between the lining 3 and the face mask 2.

In this embodiment, it is preferable that the extension rod 4 and the hanging rod 5 are both of a telescopic structure, and the face mask 2 is provided with a fifth opening corresponding to the extension rod 4 and a sixth opening corresponding to the hanging rod 5.

Referring to fig. 1 and 2 again, in the use state of the draw-bar box, the extension rod 4 and the hanging rod 5 are both hidden in the corresponding openings, and the openings are sealed by magic tapes to ensure the aesthetic appearance. At this time, the luggage case can be pulled or pushed to travel by pulling out the pull rod 6 and turning over the folding rollers 7. It should be noted that the folding rollers 7 are conventional commercially available accessories, and generally have a folding frame and rollers mounted on the folding frame, and the folding frame can be folded and positioned in two directions of 0 ° and 90 °.

As shown in fig. 6, in the using state of the drying towel rack, the extending rod 4 and the pull rod 6 are both hidden in the corresponding openings, and the openings are sealed by magic tapes to ensure the attractive appearance; at this time, the hanging bar 5 is pulled out, and the air outlet of the cooling and heating fan 9 is turned to the outside of the box (toward the orientation of the hanging bar 5). Therefore, the wet towel is hung on the hanging rod piece 5, and the hot air function of the cold and hot air fan is started, so that the wet towel can be dried.

Further, in order to facilitate connection of an external power supply (mains supply), a power supply interface is preferably reserved on the side of the luggage case, and a main power plug 13 can be plugged into the power supply interface to be connected with the external power supply for use. In order to dry a plurality of towels, hanging holes 15 are preferably reserved on two sides of the luggage case, and a drying rope 16 can be hung on the hanging holes 15 to dry the plurality of towels. In some embodiments, a USB interface is reserved on the side of the luggage case, so that the whole product is universal in 24V-240V, the 220V of the commercial power can be accessed, and when the luggage case is used in a vehicle, a 24V power supply can be used, and convenience is increased for traveling.

Referring again to fig. 1, in order to facilitate the installation and fixation of the towel drying rack, a wall hanging preformed hole 20 is preferably further formed on the box body.

As shown in fig. 7 and 8, in the use state of the clothes dryer, the hanging rod 5 and the pull rod 6 are both hidden in the corresponding openings, and the openings are sealed by magic tapes to ensure the attractive appearance; at this time, the extension bar 4 is pulled out, the outlet of the cool/warm air blower 9 is turned toward the inside of the cabinet, and the yoke 14 and the clothes dryer jacket 18 are additionally put on the extension bar 4. When drying clothes, the hot air function of the cold and hot air blower 9 is started, the heating function of the heating sheet 11 is started according to the power requirement, and meanwhile, the air exhaust function of the exhaust fan 10 is started to exhaust hot air in the box body to a cavity surrounded by the outer sleeve 14 of the clothes dryer, so that the clothes drying function is realized. It should be noted that the yoke 14 and the dryer jacket 18 are separately housed and removed for use only when the dryer function is in use.

The controller 12 is also connected with a sensor for measuring the temperature in the box body, and when the temperature in the box body is overhigh, one or more of the hot and cold air blower 9 and the heating sheet 11 can be controlled to automatically stop. It should be noted that the cooling and heating fan 9, the exhaust fan 10, the heating plate 11, the controller 12, the sensor, and the like in this embodiment are all commercially available accessories, and the design of the connection circuit between the controller and other components and the design of the control program are common technical knowledge that those skilled in the art know, and are not described in detail herein.

Referring to fig. 2 again, in this embodiment, preferably, the support frame 1 includes a front end support column 1-1, a rear end support column 1-2, a connecting rod 1-3, a front skeleton 1-4, and a rear skeleton 1-5, where the front skeleton 1-4 is connected to the front end support column 1-1, the rear skeleton 1-5 is connected to the rear end support column 1-2, and the front end support column 1-1, the rear end support column 1-2, and the connecting rod 1-3 are assembled together to form a rectangular square frame structure; the connecting rod 1-3 is composed of two connecting sections which are in threaded connection with each other, and each connecting section is respectively in rotating connection with the end supporting column 1-1 and the rear end supporting column 1-2, so that when the luggage case is not used, the front end supporting column 1-1 and the rear end supporting column 1-2 can be separated, and then the two connecting sections are rotated and folded, so that the occupied space of the luggage case during storage can be effectively reduced.

In this embodiment, screw locking and fixing structures are respectively arranged between the front framework 1-4 and the front end supporting column 1-1 and between the rear framework 1-5 and the rear end supporting column 1-2, so that later-stage disassembly and storage are facilitated. In some embodiments, the front frame 1-4 and the front support column 1-1 may be an integral structure, and the rear frame 1-5 and the rear support column 1-2 may also be an integral structure; the present embodiment is not limited.

In addition, because the cold-hot air blower 9 and the exhaust fan 10 are small micro devices, the cold-hot air blower 9 and the exhaust fan 10 are preferably installed on the face mask 2, so that the cold-hot air blower 9 and the exhaust fan 10 are installed in the middle, and further, the best air blowing and exhausting functions are achieved, and an additional support is not needed for assisting in fixing, so that the structure is simple, and the implementation is convenient.

In this embodiment, preferably, the heating sheets 11 are three sheets, and are respectively installed on the upper side and the lower side of the box body and the box door 17, so as to meet the heating power requirement. The heating sheet 11 may be an existing carbon fiber heating sheet, a graphene heating sheet, or the like.

Referring to fig. 9, the extension rod members 4 are four telescopic rods fixed on the support frame 1, and the four telescopic rods are arranged in one-to-one correspondence with the front-end support columns 1-1 and the rear-end support columns 1-2. When the clothes dryer is not used, the telescopic rod retracts to be hidden, when the clothes dryer is used, the telescopic rod is pulled out, and then the fork frame 18 is installed at the top of the telescopic rod, so that the clothes dryer is convenient and rapid to install and use.

In some embodiments, an electric heating aroma-increasing device is further installed on the supporting frame 1, and the electric heating aroma-increasing device is started in the last 3 minutes of drying to release aroma, so that the dried clothes and towels have aroma, and the electric heating aroma-increasing device is more practical. The electric heating flavoring device is a commercial product, and the detailed description of the specific structure is omitted here.

Example 2.

Referring to fig. 10 to 12, a luggage case with functions of a dryer, a drying towel rack and a draw-bar box has a structure substantially the same as that of embodiment 1, except that the structure is different.

1. The cold and hot air blower 9 and the exhaust fan 10 are both arranged on the extending side of the extending rod piece, an air outlet is reserved on one side of the box body close to the hanging rod piece 5, and a sealing piece is arranged corresponding to the air outlet.

When the luggage case is used as a draw-bar case, the air outlet is sealed by the sealing machine (such as a magic tape) so as to prevent articles in the draw-bar case from falling out and improve the appearance. When the luggage box is used as a drying towel rack, the air outlet of the cold and hot air fan 9 turns to face the interior of the box body, hot air is discharged from the air outlet close to one side of the airing and hanging rod piece 5, and the towel drying function is achieved. When the luggage case is used as a clothes dryer, the air outlet of the cold and hot air fan 9 rotates to the outside of the case body, and the exhaust fan 10 extracts hot air in the case body to realize a clothes drying function.

2. The extension rod 4 is a splicing rod, and the front end support column 1-1 and the rear end support column 1-2 are provided with connecting grooves or connecting columns, such as threaded holes, threaded columns and the like, for installing the splicing rod. During assembly, the splicing rods are sequentially spliced, then the fork frame 14 is arranged to fix the positions of the splicing rods, and the clothes dryer outer sleeve 18 is sleeved.

3. Two ends of the connecting rod 1-3 are provided with connecting ends which are perpendicular to the rod body and respectively extend towards two sides, the two connecting ends are respectively rotatably installed with the front end supporting column 1-1 and the rear end supporting column 1-2, one connecting end and one of the front end supporting column 1-1 and the rear end supporting column 1-2 form lifting reset connection through a spring, and the other connecting end and the other of the front end supporting column 1-1 and the rear end supporting column 1-2 form movable splicing; and in a natural state, the other connecting end of the spring is inserted into the inserting hole on the front end supporting column 1-1 or the rear end supporting column 1-2. During disassembly and assembly, the splicing holes of the front end supporting column 1-1 and the rear end supporting column 1-2 can be separated by pressing the connecting rod 1-3, and then the connecting rod 1-3 is rotated and folded for storage; the effect of reducing the occupied storage space can be achieved.

Example 3.

Referring to fig. 13 to 15, a luggage case with functions of a clothes dryer, a drying towel rack and a draw-bar box has a structure substantially the same as that of embodiment 1, except that: the two ends of the connecting rod 1-3 are provided with connecting ends perpendicular to the rod piece body, one connecting end is rotatably connected with one of the front end supporting column 1-1 and the rear end supporting column 1-2, and the other connecting end is fixedly clamped with the other one of the front end supporting column 1-1 and the rear end supporting column 1-2 through a buckle 19. When disassembling, a certain force is applied to fasten and separate the connecting end and the buckle 19.

It should be noted that, in the description of the present invention, for the terms of orientation, there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicating the orientation and the positional relationship based on the orientation or the positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may, clearly or implicitly, include one or more of the features, and in the description of the invention, "at least" means one or more than one unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; mechanical connection is also possible; the two elements can be directly connected with each other or connected with each other through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified and limited, "a first feature" on "or" under "a second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. First feature "above", "below" and "under" second feature may include first feature being directly below or obliquely below the second feature, or merely indicating that the first feature is at a lower level than the second feature.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. A luggage case with functions of a clothes dryer, a drying towel rack and a draw-bar box comprises a case body and is characterized in that the case body comprises a supporting frame, a face shield, a lining, an extension rod piece, a hanging rod piece, a pull rod, a folding roller, an ozone generating device, a cold-hot air blower, an exhaust fan, a heating piece and a controller, wherein the extension rod piece, the hanging rod piece, the pull rod, the roller, the ozone generating device and the controller are arranged on the supporting frame; the mask is sleeved outside the support frame, and the lining is positioned in the support frame and is detachably connected with the mask through a connecting piece; a first opening corresponding to the cold and hot air blower and a second opening corresponding to the exhaust fan are arranged on the face shield and the lining; the cold and hot air blower is rotatably arranged for providing cold and hot air blown into or out of the box body, the exhaust fan is used for exhausting gas in the box body, and the ozone generating device is used for providing ozone sterilization; the controller is connected with the ozone generating device, the cold and hot air blower, the exhaust fan and the heating sheet; the face guard is provided with a third opening corresponding to the pull rod, a fourth opening corresponding to the folding roller, a fifth opening corresponding to the extension rod and a sixth opening corresponding to the hanging rod, and the heating piece is arranged between the lining and the face guard.

2. The luggage with clothes dryer, drying towel rack and draw-bar box functions of claim 1, wherein the supporting frame comprises a front supporting column, a rear supporting column, a connecting rod, a front framework and a rear framework, the front framework is connected with the front supporting column, the rear framework is connected with the rear supporting column, and the connecting rod is detachably connected between the front supporting column and the rear supporting column; the front end supporting column, the rear end supporting column and the connecting rod are assembled together to form a rectangular square frame structure.

3. The luggage case with clothes dryer, drying towel rack and draw-bar box functions as claimed in claim 2, wherein said connecting rod is composed of two connecting sections in threaded connection with each other, and each connecting section is respectively rotatably connected with said end supporting column and said rear end supporting column.

4. The luggage with the functions of the clothes dryer, the drying towel rack and the draw-bar box is characterized in that two ends of the connecting rod are provided with connecting ends which are perpendicular to the rod body and extend towards two sides respectively, the two connecting ends are rotatably installed with the front end supporting column and the rear end supporting column respectively, one connecting end is in lifting reset connection with one of the front end supporting column and the rear end supporting column through a spring, and the other connecting end is in movable insertion connection with the other one of the front end supporting column and the rear end supporting column; and under the natural state of the spring, the other connecting end is inserted in the inserting hole on the front end supporting column or the rear end supporting column.

5. The luggage with the functions of the clothes dryer, the drying towel rack and the draw-bar box as claimed in claim 2, wherein the two ends of the connecting rod are provided with connecting ends perpendicular to the rod body, one connecting end is rotatably connected with one of the front end supporting column and the rear end supporting column, and the other connecting end is fixed with the other one of the front end supporting column and the rear end supporting column through a buckle in a clamping manner.

6. The luggage with the functions of the clothes dryer, the drying towel rack and the draw-bar box as claimed in claim 1, wherein the extension rod pieces are telescopic rods and are correspondingly arranged and fixed at the corners of the supporting frame;

or the extension rod is a segmented splicing rod, and the support frame is provided with a connecting groove or a connecting column for installing the splicing rod.

7. The luggage with the functions of the clothes dryer, the drying towel rack and the draw-bar box as claimed in claim 1, wherein the hanging rod piece is a telescopic rod which is arranged on the supporting frame and can be telescopically positioned; when the luggage box serves as a clothes dryer and a draw-bar box, the airing and hanging rod pieces are hidden in the supporting frame, and when the luggage box serves as a drying towel rack, the airing and hanging rod pieces are pulled out.

8. The luggage with the functions of the clothes dryer, the drying towel rack and the draw-bar box as claimed in claim 1, wherein magic tapes for packaging the openings are arranged corresponding to the openings.

9. The luggage with the functions of the clothes dryer, the drying towel rack and the draw-bar box as claimed in claim 1, further comprising a temperature sensor arranged in the box body and connected with the controller; when the luggage box is used as a clothes dryer and a drying towel rack, the temperature in the box body is detected in real time through the temperature sensor.

10. The luggage case with the functions of the clothes dryer, the drying towel rack and the draw-bar box according to claim 1, wherein a power interface, a hanging hole and a wall hanging preformed hole are reserved on the side portion of the case body, the power interface is used for being connected with a main power plug, the hanging hole is used for hanging a drying rope, and the wall hanging preformed hole is used for realizing wall hanging installation of the drying towel rack.

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