CN218376961U

CN218376961U - Portable blowing device

Info

Publication number: CN218376961U
Application number: CN202222133982.4U
Authority: CN
Inventors: 郑汉海; 林洁
Original assignee: Shenzhen Da Vinci Industrial Design Co ltd
Current assignee: Xie Jingsi
Priority date: 2022-02-14
Filing date: 2022-08-12
Publication date: 2023-01-24
Anticipated expiration: 2032-08-12
Also published as: CN117249098A; CN218991913U; CN218760512U; CN218991912U; CN115434932A; CN218542648U; CN219062020U; CN218376962U; CN218934771U

Abstract

The utility model provides a portable blast apparatus, including having a holding chamber and being the casing that the arcuation set up, blast mechanism and refrigeration mechanism, air intake and the air outlet in intercommunication holding chamber have been seted up on the casing, blast mechanism is used for inhaling holding chamber and drainage to air outlet discharge with the outside air from the air intake, blast mechanism including set up at the holding intracavity the power and with power electric connection's the subassembly of blowing, refrigeration mechanism is used for cooling the air of flowing through the holding intracavity, refrigeration mechanism including set up in the casing the mount pad with set up on the mount pad and with power electric connection's refrigeration piece. The utility model provides a portable blast apparatus when improving the wind-force of air outlet output, reduces the temperature of export gas, for the cool summer-heat of user, satisfies user rapid cooling's demand.

Description

Portable blowing device

The present application claims priority from chinese patent application No. 202220284700.8 entitled "portable air blower" filed by chinese patent office at 14/02/2022, which is incorporated herein by reference in its entirety.

Technical Field

The utility model belongs to the technical field of the fan, more specifically say, relate to a portable blast apparatus.

Background

The fan is a household appliance which utilizes a motor to drive fan blades to rotate so as to accelerate the circulation of air and realize cooling, is mainly used for cooling and relieving summer heat and circulating air, and is widely applied to places such as families, classrooms, offices, shops, hospitals, hotels and the like. When people are in a high-temperature environment or need to go out in a hot climate environment, a fan is urgently needed to circulate the ambient air, so that the purpose of cooling is achieved; in order to solve the problems, a handheld fan which is convenient for a user to carry and use appears on the market; however, when the hand-held fan is used, one hand of a user is occupied, and when the user needs to do something with both hands, the hand-held fan cannot be used. In order to solve the above problems, a neck hanging fan is produced in the prior art, and the neck hanging fan can be hung on the neck of a user for use, so that the hands of the user are liberated. The neck-hung fan usually has an air outlet arranged around the neck to guide the outlet air to the neck, thereby achieving the effects of cooling and relieving summer-heat. In the in-service use in-process, because hang the neck formula fan and utilize the fan in the casing to follow the air intake with outside air in inhaling the casing, water conservancy diversion to air outlet discharge after the pressurization, only can be through the wind-force that improves the output, for the cool summer-heat of user, can't satisfy user rapid cooling's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable blast apparatus to solve the wind-force that hangs the neck formula fan that exists among the prior art and only can cool summer-heat for the user through improving the output, can't satisfy the technical problem of user's rapid cooling demand.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a portable air blowing device including:

the air conditioner comprises a shell which is provided with an accommodating cavity and is arranged in an arc shape, and an air inlet and an air outlet which are communicated with the accommodating cavity are formed in the shell;

the air blowing mechanism is used for sucking outside air into the accommodating cavity from the air inlet and guiding the outside air to the air outlet for discharging, and comprises a power supply arranged in the accommodating cavity and a blowing assembly electrically connected with the power supply;

the refrigerating mechanism is used for cooling air flowing through the accommodating cavity and comprises a mounting seat arranged in the shell and a refrigerating piece arranged on the mounting seat and electrically connected with the power supply.

In one embodiment, the refrigeration mechanism further includes a heat dissipation fan for removing heat generated by the refrigeration piece, the refrigeration piece is disposed on one side of the mounting seat, the heat dissipation fan is disposed on the other side of the mounting seat, and the housing is provided with heat dissipation holes corresponding to the heat dissipation fan.

In one embodiment, the blowing mechanism further comprises an air guide shell with an air gathering cavity, the air gathering cavity comprises an installation area for installing the blowing assembly and an air gathering channel for guiding air sucked by the blowing assembly to the air outlet for discharging, an air suction opening communicating the installation area with the air inlet is formed in the air guide shell, and an air outlet communicating the air gathering channel with the air outlet is formed in the air guide shell.

In one embodiment, the air gathering channel comprises a pressurizing section and an air supply section, the pressurizing section is connected with the installation area, the air supply section is connected with the pressurizing section, the pressurizing section is arranged between the installation area and the air supply section, and the sectional area of the pressurizing section is gradually reduced from the installation area to the air supply section.

In one embodiment, the air guide shell is in threaded connection with the shell, the portable blowing device further comprises a locking member for fixedly connecting the air guide shell in the shell, external threads are arranged on the outer surface of the locking member, a threaded hole for being in threaded connection with the locking member is formed in the inner wall of the shell, and a penetrating hole for the locking member to penetrate through is formed in the air guide shell.

In one embodiment, the outer surface of the air guiding shell is provided with a buffer member for abutting against the inner wall of the shell.

In one embodiment, a support part is convexly formed on the surface of the middle area of the shell, and the refrigeration piece is arranged in the shell and corresponds to the support part.

In one embodiment, the blower assembly is a shrouded impeller blower.

In one embodiment, the portable air blowing device further comprises a control panel electrically connected with the power supply and a function key electrically connected with the control panel, the function key is installed on the housing, and the control panel is installed in the housing.

In one embodiment, the portable blowing device further comprises a charging interface disposed on an outer surface of the housing and electrically connected to the power source.

The utility model provides a portable blast apparatus's beneficial effect lies in: compared with the prior art, the portable air blowing device comprises the shell arranged in an arc shape and the air blowing mechanism arranged in the shell, the portable air blowing device can be integrally hung on the neck of a user by utilizing the arc-shaped shell, the portable air blowing device is not required to be held by hands, the hands of the user can be liberated, the shell is provided with the air inlet and the air outlet, and when the air blowing mechanism works, air is sucked from the air inlet and is discharged from the air outlet after being pressurized, so that the heat of the user is relieved and the temperature of the user is reduced; the blowing mechanism comprises a power supply arranged in the accommodating cavity and a blowing assembly electrically connected with the power supply, and the power supply provides electric energy required by operation for the blowing assembly; the shell is internally provided with a refrigerating mechanism for cooling air flowing through the accommodating cavity, and the refrigerating mechanism comprises a mounting seat arranged in the shell and a refrigerating piece arranged on the mounting seat and electrically connected with a power supply; when the air blowing assembly works, air is sucked into the accommodating cavity from the outside, and the air is cooled by the refrigerating piece of the refrigerating mechanism after being pressurized, so that the temperature of output gas is reduced while the wind power output by the air outlet is improved, and the requirements of cooling the user are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a portable blowing device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a portable blowing device according to an embodiment of the present invention;

fig. 3 is a schematic rear view of the portable blowing device according to the embodiment of the present invention;

fig. 4 is a schematic view of a partial three-dimensional structure of a portable blowing device according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a partial three-dimensional structure of a portable blowing device according to an embodiment of the present invention;

fig. 6 is a schematic three-dimensional structure diagram of a part of the portable blowing device provided by the embodiment of the present invention;

fig. 7 is a schematic view of a partial bottom view of a portable blowing device according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a first air guiding shell of a portable blowing device according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a second three-dimensional structure of an air guiding casing of a portable blowing device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a housing; 11. an accommodating cavity; 12. an air inlet; 13. an air outlet; 14. heat dissipation holes; 15. a support portion; 2. a blowing mechanism; 21. a power source; 22. a blowing assembly; 23. a wind guide shell; 231. an installation area; 232. a wind gathering channel; 2321. a pressurizing section; 2322. an air supply section; 233. an air suction opening; 234. an air outlet; 235. a through hole; 236. a buffer member; 3. a refrigeration mechanism; 31. a mounting seat; 32. a refrigeration member; 33. a heat radiation fan; 4. a locking member; 5. a control panel; 6. a function key; 7. and a charging interface.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 2, 5 and 7 together, an embodiment of the present invention provides a portable blower, including a housing 1 in an arc shape and a blower 2 disposed in the housing 1, the arc-shaped housing 1 can be used to hang the whole portable blower on the neck of a user, without holding the portable blower, thereby freeing the hands of the user, and the housing 1 is provided with an air inlet 12 and an air outlet 13, when the blower 2 works, air is sucked from the air inlet 12, and after being pressurized, the air is discharged from the air outlet 13, so as to cool the user; the blowing mechanism 2 comprises a power supply 21 arranged in the accommodating cavity 11 and a blowing component 22 electrically connected with the power supply 21, and the power supply 21 provides electric energy required by operation for the blowing component 22; a refrigerating mechanism 3 for cooling air flowing through the accommodating cavity 11 is arranged in the shell 1, and the refrigerating mechanism 3 comprises a mounting seat 31 arranged in the shell 1 and a refrigerating piece 32 arranged on the mounting seat 31 and electrically connected with the power supply 21; when the air blowing assembly 22 works, air is sucked into the accommodating cavity 11 from the outside, and the air is cooled by the refrigerating piece 32 of the refrigerating mechanism 3 after being pressurized, so that the wind power output by the air outlet 13 is improved, the temperature of output air is reduced, a user can feel cool and relieve summer heat, and the requirement of rapid cooling of the user is met.

Referring to fig. 1 to 2, as a specific implementation manner of the portable blowing device provided by the embodiment of the present invention, the arc-shaped casing 1 of the portable blowing device includes a flexible outer shell and a shaping tube, the shaping tube is disposed in the accommodating cavity 11, and the shaping tube is fixedly connected to an inner wall of the flexible outer shell. The user can adjust the shape of the housing 1 according to the needs or scenes of use, such as by changing the curvature of the housing 1, winding the portable air blowing device around the arm, or twisting the housing 1 to change the orientation of the inlet 12 or the outlet 13. In addition, the flexible shell is adopted to improve the use comfort of the user, and the flexible shell is contacted with the shoulder and the neck of the user to play a certain role in buffering and damping. The material of the flexible casing of the housing 1 and the specific structure of the sizing pipe are not limited herein. Alternatively, the flexible casing may be made of silicone or TPU (Thermoplastic polyurethane elastomer), and the flexible casing has high strength and good toughness. Optionally, the sizing pipe can be formed by adding an aluminum strip inside a gooseneck or a coiled pipe, so that the shell 1 can be kept in a shape required by a user, and the use requirement of the user can be met.

Referring to fig. 1 to fig. 2, in the present embodiment, the positions and the number of the air inlets 12 and the air outlets 13 on the housing 1 of the portable air blowing device are not limited herein. When the portable air blowing device is hung at the neck of a user, the air inlet 12 on the housing 1 may be disposed at the inner surface of the housing 1 facing the neck; or, the air inlet 12 on the housing 1 may be disposed on the outer surface of the housing 1 away from the neck; or, the air inlet 12 on the housing 1 may be disposed on the upper surface of the housing 1 facing upward; alternatively, the air inlet 12 of the housing 1 may be disposed on a lower surface of the housing 1 facing downward. Preferably, the air inlet 12 on the housing 1 is arranged on the inner surface of the housing 1 facing the neck; or, the air inlet 12 on the housing 1 is arranged on the outer surface of the housing 1 away from the neck. The quantity of air intake 12 is a plurality of to reduce the windage, be favorable to blowing mechanism 2 with the leading-in holding chamber 11 of outside air from air intake 12, the guarantee inputs the amount of wind in the holding chamber 11, and then is favorable to guaranteeing the wind-force of air outlet 13 output. Preferably, air intake 12 on the casing 1 sets up in the surface that deviates from the neck department of casing 1, and a plurality of air intakes 12 are evenly laid at the surface of casing 1, when guaranteeing the amount of wind in the holding chamber 11 of input casing 1, can reduce the noise that the user received 2 function in-process of mechanism of blowing produced, are favorable to promoting user experience. Optionally, the air outlet 13 on the housing 1 may be disposed on an upward facing upper surface of the housing 1, so that wind generated by the blowing mechanism 2 in the accommodating cavity 11 can be blown towards the neck and head of the user, thereby relieving heat and cooling the user. Optionally, the quantity of air outlet 13 on casing 1 is a plurality of, and a plurality of air outlets 13 are equidistantly laid at casing 1's the upper surface towards the top, can sweep the cooling to the user by the multi-angle, satisfy user rapid cooling's demand.

Referring to fig. 3, 5 to 7, in this embodiment, the power supply 21 in the housing 1 of the portable air blowing device provides the electric energy required by the operation of the refrigeration mechanism 3, the user can control the refrigeration mechanism 3 according to the user's own use requirement, when the air sucked into the accommodating cavity 11 by the air blowing assembly 22 flows through the refrigeration element 32 of the refrigeration mechanism 3, the refrigeration element 32 cools the air, the wind power output by the air outlet 13 is increased, the temperature of the output air is reduced, the user can cool and relieve summer heat, and the user experience is improved. Optionally, the refrigerating element 32 is a semiconductor refrigerating element 32, and when the direct current provided by the power supply 21 passes through a galvanic couple formed by connecting two different semiconductor materials in series, the two ends of the galvanic couple can respectively absorb heat and emit heat, so that the purpose of refrigeration can be achieved, and the refrigerating element is simple in structure and high in reliability.

Optionally, the refrigerating mechanism 3 further includes a heat dissipation fan 33 for removing heat generated by the refrigerating element 32, one side of the mounting seat 31 is provided with the refrigerating element 32, the other side of the mounting seat is provided with the heat dissipation fan 33, the housing 1 is provided with heat dissipation holes 14 corresponding to the positions of the heat dissipation fan 33, the refrigerating element 32 and the heat dissipation fan 33 are stably fixed at preset positions in the accommodating cavity 11 through the mounting seat 31 arranged in the housing 1, and air flowing through the accommodating cavity 11 is cooled by the refrigerating element 32, the heat generated by the refrigerating element 32 is timely exhausted out of the housing 1 through the heat dissipation holes 14 on the housing 1 by the heat dissipation fan 33, heat generated by the refrigerating element 32 is prevented from being accumulated in the accommodating cavity 11 and mixed with the air flowing through the accommodating cavity 11 and exhausted out of the housing 1 through the air outlet 13, so that the temperature of air output by the air outlet 13 is high, the requirement for quickly cooling the user cannot be met, meanwhile, the problem that aging of internal components is accelerated due to too high local temperature in the housing 1 is avoided, and the service life of the portable air blowing device is prolonged.

Referring to fig. 5 and 7, in the present embodiment, a supporting portion 15 is convexly formed on a surface of a middle region of the casing 1, when the casing 1 is hung on a neck of a user, the supporting portion 15 may space an inner surface of the casing 1 from the neck of the user, so as to reduce a fitting area between the casing 1 and the neck. In addition, the inner surface of the middle region of the housing 1 is provided with the air outlet 13, and the support portion 15 separates the inner surface of the housing 1 from the neck of the user, so as to prevent the neck of the user from blocking the air outlet 13 on the inner surface of the housing 1, and to better dissipate heat and cool the neck of the user. Optionally, the refrigeration piece 32 is disposed in the housing 1 and corresponds to the position of the support portion 15, the refrigeration piece 32 cools the support portion 15 contacting with the skin of the user, and the cold feeling is directly transmitted to the user through the support portion 15, so that the support portion 15 can cool and relieve summer heat for the user, and the requirement of the user for rapid cooling is met.

Referring to fig. 4, fig. 5, fig. 6 and fig. 8, in the present embodiment, the blowing mechanism 2 further includes a wind guiding shell 23 having a wind gathering cavity, the wind gathering cavity includes an installation area 231 for installing the blowing assembly 22 and a wind gathering channel 232 for guiding the air sucked by the blowing assembly 22 to the air outlet 13 for discharging, and the wind guiding shell 23 is provided with an air suction opening 233 communicating the installation area 231 and the air inlet 12, so that when the blowing assembly 22 works, the air enters the air suction opening 233 through the air inlet 12 and then enters the blowing assembly 22. Air guide shell 23 is provided with an air outlet 234 communicating air gathering channel 232 with air outlet 13, air gathering channel 232 communicates mounting region 231 and air outlet 234, air gathering channel 232 communicates with mounting region 231, and further air gathering channel 232 communicates with air blowing assembly 22 outlet, air outlet 234 communicates air gathering channel 232 and air outlet 13, so that air output by air blowing assembly 22 is accelerated through air gathering channel 232 and then discharged through air outlet 234 and air outlet 13, and air outlet speed is increased. A power supply 21 is provided in the housing 1 to supply the blowing assembly 22 with electric power required for the operation through the power supply 21 in the housing 1. The air blowing component 22 is started and utilizes the air suction opening 233 on the air guide shell 23 to guide outside air into the installation area 231 from the air inlet 12, the air is pressurized through the air blowing component 22 and then is discharged to the installation area 231, air generated by the air blowing component 22 is gathered in the installation area 231 and is pressurized again, then the air is accelerated through the air gathering channel 232, the air guide shell 23 is discharged through the air outlet 234, the air is cooled by the refrigerating mechanism 3 and then is discharged out of the shell 1 through the air outlet 13, therefore, the wind power output by the air outlet 13 is effectively improved, the requirement of rapid cooling of a user is met, and the user experience is improved.

Optionally, the blowing component 22 arranged in the air guide shell 23 is a closed impeller fan, and the characteristics of high operation efficiency, long-time stable operation, high reliability and the like are utilized; external air is guided into the air guide shell 23 through the air blowing assembly 22, so that the air in the mounting area 231 does centrifugal motion and axial motion, and is limited by the mounting area 231 and the air collecting channel 232, the flow direction of the air is limited to form high-pressure air, the wind power is improved, and the wind power output by the air outlet 13 is improved. In other words, the blowing assembly 22 includes a diagonal flow centrifugal fan.

Referring to fig. 4, fig. 5 and fig. 8, in the present embodiment, the connection manner between the air guiding casing 23 and the casing 1 of the portable blowing device is not limited, and a detachable connection or a non-detachable connection may be adopted. Optionally, the air guide shell 23 and the shell 1 are detachably connected, so that the air guide shell 23 can be assembled and disassembled conveniently, and when the portable blowing device needs to be overhauled, the air guide shell 23 can be disassembled.

Optionally, wind-guiding shell 23 and casing 1 threaded connection, portable blast apparatus is still including being used for with wind-guiding shell 23 fixed connection at casing 1 internal retaining member 4, retaining member 4's surface is provided with the external screw thread, be provided with the screw hole that is used for threaded connection retaining member 4 on casing 1's the inner wall, set up the penetrating hole 235 that supplies retaining member 4 to pierce through on the wind-guiding shell 23, retaining member 4 pierces through penetrating hole 235 on the wind-guiding shell 23 and puts into the screw hole on casing 1 inner wall, with wind-guiding shell 23 accurate fixed connection at the preset position in casing 1, moreover, the steam generator is simple in structure, and the simple operation is convenient.

Optionally, the air guide shell 23 is connected with the shell 1 in a buckling manner, a plurality of buckles are uniformly distributed on the circumferential side wall of the air guide shell 23, and a plurality of clamping grooves are formed in the inner wall of the shell 1 corresponding to the plurality of buckles; or, a plurality of clamping grooves are uniformly distributed on the circumferential side wall of the air guide shell 23, and a plurality of buckles are arranged on the inner wall of the shell 1 corresponding to the plurality of clamping grooves. Install wind-guiding shell 23 to casing 1 in through the mode that the buckle is connected, not only can install wind-guiding shell 23 to the predetermined position in the casing 1 fast accurately, can effectively improve the equipment speed simultaneously to can improve production efficiency, reduction in production cost.

Referring to fig. 9, in the present embodiment, the outer surface of the air guiding shell 23 is provided with a buffer member 236 abutting against the inner wall of the housing 1 for buffering the vibration generated during the operation of the blowing mechanism 2, and simultaneously reducing the noise generated when the air guiding shell 23 and the inner wall of the housing 1 abut against and collide with each other. Optionally, the buffer member 236 is a shock-proof foam or silica gel fixedly connected to the outer surface of the air guiding casing 23.

Referring to fig. 6, in the present embodiment, the wind collecting channel 232 includes a pressurizing section 2321 and an air blowing section 2322 connected to the pressurizing section 2321, the pressurizing section 2321 is connected to the installation area 231 where the air blowing assembly 22 is installed, and the pressurizing section 2321 is disposed between the installation area 231 and the air blowing section 2322. The sectional area of the pressurizing section 2321 is gradually reduced from the mounting area 231 to the air supply section 2322, so that the air outlet is smoothly guided to the air supply section 2322, and due to the fact that the sectional area of the pressurizing section 2321 is gradually reduced, when the air flow flows through the pressurizing section 2321, the pressure is increased, and the air speed is increased, so that the air enters the mounting area 231 for gathering and pressurizing after being pressurized by the air blowing assembly 22, and then is pressurized and accelerated by the pressurizing section 2321 of the air gathering channel 232, and meanwhile, the reverse backflow of the air flowing into the air supply section 2322 to the mounting area 231 can be avoided, the air blowing device can be further guaranteed to continuously output high-pressure air, the cooling is performed for a user, and the use requirements of the user are met.

Optionally, the lower side of the air guide shell 23 and the inner wall of the lower side of the casing 1 enclose to form an accommodating area for accommodating the power supply 21, the power supply 21 is installed in the accommodating area to limit the displacement of the power supply 21 in the accommodating cavity 11, so that the situation that a user shakes in the accommodating cavity 11 due to the power supply 21 in the using process is prevented, the power supply 21 is prevented from colliding with the inner wall of the casing 1 to generate noise, or the power supply 21 is damaged, and the service life of the portable blowing device is prolonged.

Referring to fig. 7, in this embodiment, the portable blower device further includes a control panel 5 electrically connected to the power source 21 and a function key 6 electrically connected to the control panel 5, the function key 6 is installed on the housing 1, the control panel 5 is installed in the housing 1, and a user can perform start-stop control or mode selection on the portable blower device by operating the function key 6 installed on the housing 1, so as to meet the user requirement and facilitate operation.

Optionally, the power 21 that sets up in casing 1 is the battery, portable blast apparatus still including set up at the surface of casing 1 and with power 21 electric connection's the interface 7 that charges, the user accessible charges the interface 7 and charges to the battery in the casing 1, guarantee that power 21 stores has sufficient electric energy and supplies portable blast apparatus operation, satisfies user's user demand.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable air-blowing device, comprising:

the air inlet and the air outlet are communicated with the accommodating cavity;

the blowing mechanism is used for sucking outside air into the accommodating cavity from the air inlet and guiding the outside air to the air outlet for discharging, and comprises a power supply arranged in the accommodating cavity and a blowing assembly electrically connected with the power supply;

2. A portable blowing apparatus according to claim 1, characterized in that: the refrigeration mechanism further comprises a cooling fan used for removing heat generated by the refrigeration piece, one side of the mounting seat is provided with the refrigeration piece, the other side of the mounting seat is provided with the cooling fan, and the shell is provided with cooling holes corresponding to the positions of the cooling fans.

3. A portable blowing apparatus according to claim 1, characterised in that: the blowing mechanism further comprises an air guide shell with an air gathering cavity, the air gathering cavity comprises a mounting area for mounting the blowing assembly and an air gathering channel for guiding air sucked by the blowing assembly to the air outlet, an air suction opening communicated with the mounting area and the air inlet is formed in the air guide shell, and an air outlet communicated with the air gathering channel and the air outlet is formed in the air guide shell.

4. A portable blowing apparatus according to claim 3, characterized in that: the air gathering channel comprises a pressurizing section and an air supply section, the pressurizing section is connected with the installation area, the air supply section is connected with the pressurizing section, the pressurizing section is arranged between the installation area and the air supply section, and the sectional area of the pressurizing section is gradually reduced from the installation area to the air supply section.

5. A portable blowing apparatus according to claim 3, characterized in that: the portable air blowing device comprises an air guide shell, a shell and a locking piece, wherein the air guide shell is in threaded connection with the shell, the locking piece is used for fixedly connecting the air guide shell in the shell, external threads are arranged on the outer surface of the locking piece, a threaded hole used for being in threaded connection with the locking piece is formed in the inner wall of the shell, and a penetrating hole for the locking piece to penetrate through is formed in the air guide shell.

6. A portable blowing apparatus according to claim 3, characterized in that: the outer surface of the air guide shell is provided with a buffer piece used for being abutted to the inner wall of the shell.

7. The portable blowing apparatus of any one of claims 1 to 6, characterized in that: the surface of the middle area of the shell is convexly provided with a supporting part, and the refrigeration piece is arranged in the shell and corresponds to the position of the supporting part.

8. A portable blowing apparatus according to any one of claims 1 to 6, characterised in that: the blowing assembly is a closed impeller fan.

9. A portable blowing apparatus according to any one of claims 1 to 6, characterised in that: the portable blowing device further comprises a control panel electrically connected with the power supply and a function key electrically connected with the control panel, the function key is installed on the shell, and the control panel is installed in the shell.

10. The portable blowing apparatus of any one of claims 1 to 6, characterized in that: the portable blowing device further comprises a charging interface which is arranged on the outer surface of the shell and electrically connected with the power supply.