CN116420966A - Luggage case with functions of clothes dryer, towel drying rack and draw-bar box - Google Patents

Abstract

The utility model relates to the technical field of draw-bar boxes, in particular to a luggage box with functions of a clothes dryer, a towel drying rack and a draw-bar box. The suitcase provided by the utility model has three functions of a draw-bar box, a clothes dryer and a towel drying rack; when the draw-bar box is in a use state, the extension rod piece and the hanging rod piece are hidden, the draw bar is pulled out, and the folding roller is folded to pull or push the suitcase to walk; in the using state of the towel drying rack, the extension rod piece and the pull rod are hidden, the hanging rod piece is pulled out, and the air outlet of the cold and hot air blower is turned to face the hanging rod piece; in the using state of the clothes dryer, the hanging rod piece and the pull rod are hidden, 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 piece.

Description

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

Technical Field

The utility model relates to the technical field of draw-bar boxes, in particular to a luggage case with functions of a clothes dryer, a towel drying rack and a draw-bar box.

Background

The household clothes dryer is a clean household appliance which uses electric heating to instantly evaporate and dry moisture in clothes, and is particularly suitable for the situations that the clothes are difficult to dry, such as winter in the north and 'returning to the south'. At present, a common clothes dryer generally comprises a supporting frame, a cloth cover and a drying device, wherein the cloth cover is connected with the supporting frame, a clothes drying cavity is formed in the cloth cover, and the drying device is connected with the supporting frame and provides hot air for the drying cavity. The structure of the existing clothes dryer can be seen in China patent with publication number of CN217869625U and publication date of 2022.11.22.

The drying towel rack is a novel towel rack which is rising in recent years, generally has a drying and wetting separation heating function, and comprises a drying seat, wherein 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 suspension mechanism and placing mechanism, utilize splint to hang the towel of humidity in the below of stoving mouth, fold the towel after drying and place inside the tray, realize the wet and dry separation of towel. The structure of the prior drying towel rack can be seen in Chinese patent with publication number of CN 217592675U and publication date of 2022.10.18.

The luggage case, also called suitcase, draw-bar box, is a case for carrying articles when going out, is a common article for going out and traveling. Along with the higher and higher sanitary requirements of the travel population, the towel is often carried by the travel population, so the problems of drying and storing the wet towel and wet clothes are also often faced. And existing luggage cases are difficult to meet these requirements.

In view of the above, it is very important to develop and design a luggage case integrating the functions of a clothes dryer, a towel drying rack and a draw-bar box.

It should be noted that the content described in the background art is made by the inventor according to the technical level, the knowledge level and the searching capability of the inventor, and is only used for reference. Moreover, the content described in the background art is not necessarily the prior art, nor does it mean that the content in the background art is accurate and objective; this does not affect one skilled in the art to practice the utility model in light of the detailed description that follows.

Disclosure of Invention

The utility model aims to provide a luggage case integrating a clothes dryer, a towel drying rack and a draw-bar box into a whole, which at least provides a beneficial selection or creation condition for solving one or more technical problems existing in the prior art.

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

The trunk with the functions of a clothes dryer, a towel drying rack and a draw-bar box comprises a supporting frame, a face mask, a lining, an extension rod piece, a hanging rod piece, a draw-bar, a folding roller, an ozone generating device, a cold and hot air blower, an exhaust fan, a heating piece and a controller, wherein the extension rod piece, the hanging rod piece, the draw-bar, the roller, the ozone generating device and the controller are arranged on the supporting frame; the mask is sleeved outside the supporting frame, and the lining is positioned in the supporting 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 mask and the lining; the cold and hot air blower is rotatably arranged to provide cold and hot air blowing 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 extension rod piece and a sixth opening corresponding to the hanging rod piece, and the heating piece is arranged between the lining and the face mask.

More preferably, the support frame includes a front support column, a rear support column, a link, a front skeleton and a rear skeleton, the front skeleton is connected to the front support column, the rear skeleton is connected to the rear support column, and the link is detachably connected between the front support column and the rear support column; the front end support column, the rear end support 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 connected with each other in a threaded manner, and each connecting section is respectively connected with the end support column and the rear end support column in a rotating manner.

More preferably, 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 respectively rotatably installed with the front end supporting column and the rear end supporting column, 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 plug-in connection with the other one of the front end supporting column and the rear end supporting column; the spring is in a natural state, and the other connecting end is inserted into the insertion hole on the front end support column or the rear end support column.

More preferably, 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 support column and the rear end support column, and the other connecting end is fixedly clamped with the other one of the front end support column and the rear end support column through a buckle.

More preferably, the extension rod pieces are telescopic rods, and are installed and fixed at the corners of the supporting frame in a one-to-one correspondence manner; or, the extension rod piece is a sectional splicing rod, and a connecting groove or a connecting column for installing the splicing rod is arranged on the supporting frame.

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

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

More preferably, each opening is provided with a magic tape for packaging the opening, and when the opening is not needed to be used, the opening is sealed by the magic tape so as to ensure attractive appearance and sealing performance.

More preferably, the luggage case further comprises a temperature sensor arranged in the case body and connected with the controller; when the trunk is used as a clothes dryer and a drying towel rack, the temperature sensor is used for detecting the temperature in the trunk in real time, and when the temperature in the trunk is too high, the cold and hot air blower and/or the heating sheet is/are automatically controlled by the controller to stop heating.

More preferably, a power interface, a hanging hole and a wall hanging reserved hole are reserved on the side part 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 reserved hole is used for realizing wall hanging installation of the drying towel rack.

The technical scheme provided by the utility model has at least the following technical effects or advantages.

The suitcase provided by the utility model has three functions of a draw-bar box, a clothes dryer and a towel drying rack. 1) When the draw-bar box is in a use state, the extension rod piece and the hanging rod piece are hidden in the corresponding openings, and at the moment, the draw-bar is pulled out, and the folding roller is folded out, so that the suitcase can be pulled or pushed to walk; 2) In the using state of the towel drying rack, the extension rod and the pull rod are hidden in the corresponding openings, at the moment, the hanging rod is pulled out, and the air outlet of the cold and hot air blower is turned to face the hanging rod, so that the wet towel can be dried; 3) In the using state of the clothes dryer, 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 piece; the functions are various, and the switching between various functions is very convenient.

Drawings

Fig. 1 is a schematic diagram of a structure of a suitcase charging trolley case according to embodiment 1 of the present utility model.

Fig. 2 is a schematic view of the structure of fig. 1 at another view angle.

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

Fig. 4 shows a schematic structural view of the mask.

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

Fig. 6 is a schematic view showing the case of embodiment 1 of the present utility model as a drying towel rack.

Fig. 7 is a schematic view showing the case of embodiment 1 of the present utility model when it is used as a clothes dryer.

Fig. 8 is a schematic view showing the jacket of the pull-on dryer of fig. 7.

Fig. 9 is a schematic view of the structure of the support frame at another view angle.

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

Fig. 11 is a schematic view showing the case of embodiment 2 of the present utility model as a drying towel rack.

Fig. 12 is a schematic view showing the case of embodiment 2 of the present utility model when it is used as a clothes dryer.

Fig. 13 is a schematic view showing a supporting frame in embodiment 3 of the present utility model.

Fig. 14 is a schematic view of a connecting rod in embodiment 3 of the present utility model.

Fig. 15 is a schematic view showing a folded state of the support frame in embodiment 3 of the present utility model.

Reference numerals illustrate.

1: support frame, 2: mask, 3: lining, 4: extension rod piece, 5: airing rod pieces, 6: pull rod, 7: folding roller, 8: ozone generating device, 9: cold and hot air blower, 10: exhaust fan, 11: heat generating sheet, 12: controller, 13: power plug, 14: fork, 15: hanging hole, 16: airing ropes, 17: door, 18: clothes dryer coat, 19: buckle, 20: and (5) wall-hanging preformed holes.

1-1: front end support column, 1-2: rear end support column, 1-3: connecting rod, 1-4: front skeleton, 1-5: and a rear skeleton.

Detailed Description

The following description of the specific embodiments of the present utility model is further provided with reference to the accompanying drawings, so that the technical scheme and the beneficial effects of the present utility model are more clear and definite. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

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

Example 1.

Referring to fig. 1 to 5, a luggage case with functions of a clothes dryer, a towel drying rack and a draw-bar box, wherein the luggage case body comprises a supporting frame 1, a face mask 2, a lining 3, an extension rod 4, a hanging rod 5, a draw bar 6, folding rollers 7, an ozone generating device 8, a cold and hot fan 9, an exhaust fan 10, a heating sheet 11 and a controller 12, wherein the extension rod 4, the hanging rod 5, the draw bar 6, the rollers 7, the ozone generating device 8 and the controller 12 are arranged on the supporting frame 1; the mask 2 is sleeved outside the supporting frame 1, the lining 3 is positioned in the supporting frame 1 and is detachably connected with the mask 2 through a connecting piece, for example, the lining is detachably connected through sticking buckles or smashing buckles; 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 mask 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 into or out of the box by rotating the cold and hot air blower 9; the exhaust fan 10 is arranged near the extending side of the extending rod piece 4 and is used for exhausting the gas in the box; the ozone generating device 8 is used for generating ozone, removing peculiar smell in a certain space and inhibiting and removing 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 sheet 11 and is used for controlling the work of the ozone generating device, the cold and hot air blower 9, the exhaust fan 10 and the heating sheet 11; the mask 2 is provided with a third opening corresponding to the pull rod 6 and a fourth opening corresponding to the folding roller 7, and the heating sheet 11 is arranged between the lining 3 and the mask 2.

In the embodiment, the extension rod 4 and the hanging rod 5 are preferably telescopic structures, and a fifth opening corresponding to the extension rod 4 and a sixth opening corresponding to the hanging rod 5 are arranged on the mask 2.

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 hidden in the corresponding openings, and the openings are sealed by the magic tape to ensure the beautiful appearance. At this time, the luggage can be pulled or pushed to walk by pulling out the pull rod 6 and folding the folding roller 7. The folding roller 7 is a commercially available conventional fitting, and generally has 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 °.

In combination with fig. 6, in the use state of the towel drying rack, the extension rod 4 and the pull rod 6 are hidden in the corresponding openings, and the openings are sealed by using magic tapes to ensure the attractive appearance; at this time, the hanger bar 5 is pulled out, and the air outlet of the cooling/heating fan 9 is turned to the outside of the box (toward the direction in which the hanger bar 5 is located). Thus, the wet towel is hung on the hanging rod piece 5, and the drying of the wet towel can be realized by starting the hot air function of the cold and hot air blower.

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

Referring again to fig. 1, in order to facilitate the installation and fixation of the drying towel rack, wall-hanging pre-holes 20 are preferably provided in the case.

Referring to fig. 7 and 8, in the use state of the clothes dryer, the hanging rod 5 and the pull rod 6 are hidden in the corresponding openings, and the openings are sealed by using magic tapes to ensure the attractive appearance; at this time, the extension bar 4 is pulled out, the outlet of the cooling and heating fan 9 is turned toward the inside of the cabinet, and the fork 14 and the dryer jacket 18 are additionally coated on the extension bar 4. When the clothes are dried, the hot air function of the cold and hot air blower 9 is started, the heating function of the heating piece 11 is started according to the power requirement, and meanwhile, the exhaust function of the exhaust fan 10 is started to exhaust hot air in the box body into a cavity enclosed by the clothes dryer jacket 14, so that the clothes drying function is realized. It should be noted that the fork 14 and the dryer housing 18 are separately housed and taken out for use only when the dryer function is used.

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 too high, one or more of the cold and hot air blower 9 and the heating sheet 11 can be controlled to stop automatically. It should be noted that, in this embodiment, the cooling and heating fan 9, the exhaust fan 10, the heating sheet 11, the controller 12, the sensor, and the like are all commercial accessories, and the design of the connection circuit between the controller and other components and the design of the control program are all common technical knowledge known to those skilled in the art, and are not described in detail herein.

Referring again to fig. 2, in this embodiment, it is preferable that the supporting frame 1 includes a front supporting column 1-1, a rear supporting column 1-2, a link 1-3, a front skeleton 1-4 and a rear skeleton 1-5, the front skeleton 1-4 is connected to the front supporting column 1-1, the rear skeleton 1-5 is connected to the rear supporting column 1-2, and the front supporting column 1-1, the rear supporting column 1-2 and the link 1-3 together assemble a rectangular block structure; the connecting rod 1-3 is composed of two connecting sections which are connected with each other in a threaded manner, each connecting section is respectively connected with the end support column 1-1 and the rear end support column 1-2 in a rotating manner, so that when the suitcase is not used, the front end support column 1-1 and the rear end support column 1-2 can be separated, and then the two connecting sections are rotated and folded, so that the occupied space of the suitcase can be effectively reduced when the suitcase is stored.

In this embodiment, screw locking and fixing structures are arranged between the front framework 1-4 and the front end support column 1-1 and between the rear framework 1-5 and the rear end support column 1-2, so that the rear end support column is convenient to detach and store. In some embodiments, the front skeleton 1-4 and the front support column 1-1 may be integrally formed, and the rear skeleton 1-5 and the rear support column 1-2 may be integrally formed; the present embodiment is not limited.

In addition, because cold and hot air fan 9 with air discharge fan 10 is little miniature device, the preferential will cold and hot air fan 9 with air discharge fan 10 is installed on the face guard 2, so that cold and hot air fan 9 with air discharge fan 10 installs in the middle, and then plays best blowing, exhaust function, also need not additional support and assist fixedly, simple structure, easy to carry out.

In this embodiment, the heating sheets 11 are preferably three sheets, and are respectively mounted on the upper side, the lower side and the door 17 of the case 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.

As described with reference to fig. 9, the extension rod 4 is four telescopic rods fixed on the support frame 1, and the four telescopic rods are arranged in one-to-one correspondence with the front support column 1-1 and the rear support column 1-2. When the clothes dryer function is not used, the telescopic rod is retracted and hidden, and when the clothes dryer function is used, the telescopic rod is pulled out, and then the fork 18 is arranged at the top of the telescopic rod, so that the installation and the use are convenient and quick.

In some embodiments, the electric heating flavoring device is further installed on the supporting frame 1, and the electric heating flavoring device is started 3 minutes after the drying, so that the fragrance is released, and the dried clothes and towels have fragrance, so that the electric heating flavoring device is more practical. The electrothermal flavoring device is a commercial product, and the specific structure of the electrothermal flavoring device is not described in detail 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 is basically identical in structure to embodiment 1 except for the difference.

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 suitcase is used as a draw-bar box, the air outlet is sealed by the sealing machine (such as a magic tape) so as to prevent articles in the draw-bar box from falling out and improve the appearance. When the suitcase is used as a towel drying rack, the air outlet of the cold and hot air blower 9 turns into the box body, and hot air is discharged from the air outlet near the side where the hanging rod piece 5 is located, so that a towel drying function is realized. When the luggage case is used as a clothes dryer, the air outlet of the cold and hot air blower 9 rotates towards the outside of the case, and the exhaust fan 10 draws out hot air in the case, so that the clothes drying function is realized.

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 a connecting groove or a connecting column for installing the splicing rod, such as a threaded hole, a threaded column and the like. During assembly, splicing the splicing rods in sequence, then installing the fork frame 14 to fix the positions of the splicing rods, and sleeving the clothes dryer jacket 18.

3. The two ends of the connecting rod 1-3 are provided with connecting ends which are perpendicular to the rod body and extend towards two sides respectively, 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 is in lifting reset connection with one of the front end supporting column 1-1 and the rear end supporting column 1-2 through a spring, and the other connecting end is in movable splicing with the other one of the front end supporting column 1-1 and the rear end supporting column 1-2; 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 in a natural state. When the front support column 1-1 is disassembled and assembled, the connecting rod 1-3 is pressed to realize the uncoupling of the splicing holes of the front support column 1-1 and the rear support column 1-2, and then the connecting rod 1-3 is rotated to be 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, the structure of which is basically the same as that of embodiment 1, is different in that: two ends of the connecting rod 1-3 are provided with connecting ends perpendicular to the rod 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 of the front end supporting column 1-1 and the rear end supporting column 1-2 through a buckle 19. When the connecting end is disassembled, a certain force is applied to fasten and detach the connecting end and the buckle 19.

It should be further noted that, in the description of the present utility model, terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. refer to the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present utility model.

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

In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below 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 utility model is not limited to the specific embodiments described above, but is intended to cover modifications and alternatives falling within the spirit and scope of the utility model as defined by the appended claims and their equivalents. The portions of the detailed description that are not presented are all prior art or common general knowledge.

Claims (10)

1. The luggage case with the functions of a clothes dryer, a towel drying rack and a draw-bar box comprises a case body, and is characterized by comprising a supporting frame, a face mask, a lining, an extension rod piece, a hanging rod piece, a draw bar, a folding roller, an ozone generating device, a cold and hot air blower, an exhaust fan, a heating piece and a controller, wherein the extension rod piece, the hanging rod piece, the draw bar, the roller, the ozone generating device and the controller are arranged on the supporting frame; the mask is sleeved outside the supporting frame, and the lining is positioned in the supporting 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 mask and the lining; the cold and hot air blower is rotatably arranged to provide cold and hot air blowing 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 extension rod piece and a sixth opening corresponding to the hanging rod piece, and the heating piece is arranged between the lining and the face mask.

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

3. The luggage case with functions of clothes dryer, towel drying rack and draw-bar box according to claim 2, wherein the connecting rod is composed of two connecting sections connected with each other in a threaded manner, and each connecting section is respectively connected with the end support column and the rear end support column in a rotating manner.

4. The luggage case with functions of clothes dryer, towel drying rack and draw-bar box according to claim 2, wherein 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 support column and the rear end support column respectively, one connecting end forms lifting reset connection with one of the front end support column and the rear end support column through a spring, and the other connecting end forms movable splicing with the other of the front end support column and the rear end support column; the spring is in a natural state, and the other connecting end is inserted into the insertion hole on the front end support column or the rear end support column.

5. The luggage case with functions of clothes dryer, towel drying rack and draw-bar box according to claim 2, wherein 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 support column and the rear end support column, and the other connecting end is fixedly clamped with the other of the front end support column and the rear end support column through a buckle.

6. The luggage with functions of clothes dryer, towel drying rack and draw-bar box according to claim 1, wherein the extension rod pieces are telescopic rods which are installed and fixed at the corners of the supporting frame in a one-to-one correspondence manner;

or the extension rod piece is a sectional splicing rod, and a connecting groove or a connecting column for installing the splicing rod is arranged on the supporting frame;

when the clothes dryer is assembled, the extension rod pieces are extended out, then the fork frame is arranged to fix the positions of the extension rod pieces, and finally the clothes dryer is sleeved with the clothes dryer jacket.

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

8. The luggage with functions of clothes dryer, towel drying rack and draw-bar box according to claim 1, wherein a magic tape for packaging the corresponding openings is arranged.

9. The luggage case with functions of clothes dryer, towel drying rack and draw-bar box according to claim 1, further comprising a temperature sensor arranged in the case body and connected with the controller; when the trunk is used as a clothes dryer and a drying towel rack, the temperature sensor is used for detecting the temperature in the trunk in real time, and when the temperature in the trunk is too high, the cold and hot air blower and/or the heating sheet is/are automatically controlled by the controller to stop heating.

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

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