CN218991912U

CN218991912U - Portable blowing device

Info

Publication number: CN218991912U
Application number: CN202222134952.5U
Authority: CN
Inventors: 郑汉海; 林洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-14
Filing date: 2022-08-12
Publication date: 2023-05-09
Anticipated expiration: 2032-08-12
Also published as: CN115434932A; CN219062020U; CN218542648U; CN218376962U; CN218991913U; CN218934771U; CN117249098A; CN218760512U; CN218376961U

Abstract

The utility model provides a portable blowing device, which comprises a shell with a containing cavity and arranged in an arc shape and a blowing mechanism, wherein the shell is provided with an air inlet and an air outlet which are communicated with the containing cavity; the air guide plates are arranged on the inner walls of the two opposite sides of the shell in a protruding mode and used for guiding outside air sucked by the air blowing component to the air outlet to be discharged, and when the shell is assembled and enclosed to form the accommodating cavity, the air guide plates on the two opposite sides of the shell are mutually abutted and enclosed with the inner walls of the upper side of the shell to form an air collecting channel communicated with the air blowing component and the air outlet. The portable blowing device provided by the utility model integrates the component parts while meeting the rapid cooling requirement of a user, so that the assembly process is reduced, the production efficiency is improved, and the production cost of a product is reduced.

Description

Portable blowing device

The present application claims priority from chinese patent application No. 202220284700.8 entitled "portable air blower" filed by the chinese patent office on day 14 of 2022, 02, the entire contents of which are incorporated herein by reference.

Technical Field

The utility model belongs to the technical field of fans, and particularly relates to a portable blowing device.

Background

The fan is a household appliance which drives the fan blades to rotate by using the motor to accelerate the circulation of air and realize the cooling, is mainly used for cooling and relieving summer heat and circulating air, and is widely used in 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, the fan is urgently needed to circulate surrounding air, so that the aim of cooling is fulfilled; in order to solve the problems, a hand-held fan which is convenient for users to carry and use is appeared in the market; however, when the hand-held fan is used, one hand of the user is required to be occupied, and when the user needs to do work 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, thereby freeing up hands of the user. The neck hanging fan is generally provided with an air outlet at the neck winding part so as to guide the air outlet to the neck part, thereby achieving the effects of cooling and relieving summer heat. Because the market price competition of hanging neck formula fan is fierce, when the producer guarantees product quality, need through the inner structure who continuously improves hanging neck formula fan, add the structure that gathers wind and drainage and make it can output stronger wind-force, satisfy the demand that the user cooled down fast, it is more diversified to need make the function that the product possesses simultaneously, promote product competitiveness to the inside component part that leads to hanging neck formula fan is more, and the equipment process is loaded down with trivial details, and production efficiency is low, and then increases the manufacturing cost of producer.

Disclosure of Invention

The utility model aims to provide a portable blowing device, which solves the technical problems that in the prior art, the wind power output by an air outlet is insufficient and the rapid cooling of a user cannot be met due to the fact that the air outlet at the neck winding part of a neck hanging fan is separated from the fan by a certain distance.

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

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

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

the guide plates are arranged on the inner walls of the two opposite sides of the shell in a protruding mode and are used for guiding outside air sucked by the blowing component to the air outlet for discharging, and when the shell is assembled and enclosed to form the accommodating cavity, the guide plates on the two opposite sides of the shell are mutually abutted and enclosed with the inner walls of the upper side of the shell to form an air collecting channel which is communicated with the blowing component and the air outlet.

In one embodiment, the wind gathering channel comprises a pressurizing section and a blowing section, the pressurizing section is connected with the blowing assembly, the blowing section is connected with the pressurizing section, the pressurizing section is arranged between the blowing assembly and the blowing section, and the cross section area of the pressurizing section is gradually reduced from the blowing assembly to the blowing section; wherein the air outlet on the shell is arranged on the upper surface of the shell facing upwards; and/or the air outlet is arranged on the inner surface of the middle area of the shell.

In one embodiment, the air blowing mechanism further comprises an air collecting cover, the air collecting cover and the shell enclose to form an installation area, the air blowing assembly is installed in the installation area, an air suction opening which is communicated with the installation area and the air inlet is formed in the air collecting cover, and when the air collecting cover is installed in the accommodating cavity, the air collecting cover is abutted to the guide plate, and the air collecting channel is communicated with the installation area and the air outlet.

In one embodiment, the wind collecting cover is in threaded connection with the housing, the portable blowing device further comprises a first locking member for fixedly connecting the wind collecting cover in the housing, an external thread is arranged on the outer surface of the first locking member, a first threaded hole for being in threaded connection with the first locking member is formed in the inner wall of the housing, and a first penetrating hole for the first locking member to penetrate is formed in the wind collecting cover.

In one embodiment, the outer surface of the wind gathering cover is provided with a buffer for abutting against the inner wall of the housing.

In one embodiment, 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, wherein the function key is installed on the shell, the control panel is installed in the shell, and an installation groove for installing the control panel is formed in an inward concave manner on the surface of the wind collecting cover.

In one embodiment, the wind gathering cover is in threaded connection with the control panel, the portable blowing device further comprises a second locking piece for fixedly connecting the control panel to the wind gathering cover, an external thread is arranged on the outer surface of the second locking piece, a second threaded hole for threaded connection with the second locking piece is formed in the bottom of the wind gathering cover and located in the installation groove, and a second penetrating hole for the second locking piece to penetrate is formed in the control panel.

In one embodiment, a limiting plate is arranged on the inner wall surface of the shell, and the limiting plate and the flow guide plate are enclosed to form a limiting groove for the power supply to be placed in.

In one embodiment, the surface of the middle region of the housing is convexly formed with a support.

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 portable blowing device provided by the utility model has the beneficial effects that: 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 arc-shaped shell can be utilized to integrally hang the portable air blowing device on the neck of a user, the hands of the user can be liberated without holding the portable air blowing device, 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 pressed, so that summer heat is relieved for the user; the air blowing mechanism comprises a power supply arranged in the accommodating cavity and an air blowing assembly electrically connected with the power supply, and the power supply provides electric energy required by operation for the air blowing assembly; the inner walls of the two opposite sides of the shell are convexly provided with guide plates, and when the shell is assembled and enclosed to form a containing cavity, the guide plates of the two opposite sides of the shell are mutually abutted and enclosed with the inner walls of the upper side of the shell to form an air collecting channel communicated with the air blowing component and the air outlet; when the blowing component works, air is sucked from the outside, and is discharged to the air outlet through the flow guide plate after pressure, so that the air outlet resistance is reduced, the wind power output by the air outlet is improved, the internal structure of the portable blowing device is simplified while the quick cooling requirement of a user is met, the component parts are integrated, the assembly process is reduced, the production efficiency is improved, and the production cost of a product is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a portable air blower according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a portable air blower according to an embodiment of the present utility model;

fig. 3 is a schematic view of a partial perspective view of a portable air blower according to an embodiment of the present utility model;

fig. 4 is a schematic partial perspective view of a portable air blower according to an embodiment of the present utility model;

fig. 5 is a schematic view of a partial perspective view of a portable air blower according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a wind collecting cover of a portable blower according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. a housing; 11. a receiving chamber; 12. an air inlet; 13. an air outlet; 14. a deflector; 15. a wind gathering channel; 151. a pressurizing section; 152. an air supply section; 16. a support part; 17. a first threaded hole; 2. a blowing mechanism; 21. a power supply; 22. a blowing assembly; 23. a wind collecting cover; 231. an air suction port; 232. a first penetration hole; 233. a mounting groove; 234. a second threaded hole; 3. a first locking member; 4. a second locking member; 5. a control panel; 6. a function key; 7. and a charging interface.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" 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 is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the 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 indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, 3 and 5, the portable air blower provided in the embodiments of the present utility model includes a housing 1 disposed in an arc shape and an air blower 2 disposed in the housing 1, the portable air blower can be integrally suspended on a neck of a user by using the arc-shaped housing 1, hands of the user are not required to be held, both hands of the user can be liberated, an air inlet 12 and an air outlet 13 are provided on the housing 1, and when the air blower 2 works, air is sucked from the air inlet 12 and is discharged from the air outlet 13 after being pressed, so as to relieve summer heat of 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, wherein the power supply 21 provides electric energy required by operation for the blowing component 22; the inner walls of the two opposite sides of the shell 1 are convexly provided with guide plates 14, and when the shell 1 is assembled and enclosed to form the accommodating cavity 11, the guide plates 14 of the two opposite sides of the shell 1 are mutually abutted and enclosed with the inner walls of the upper side of the shell 1 to form an air collecting channel 15 which is communicated with the air blowing component 22 and the air outlet 13; when the blowing component 22 works, air is sucked from the outside, is discharged to the air outlet 13 through the flow guide plate 14 after being pressurized, the air outlet resistance is reduced, the wind power output by the air outlet 13 is improved, the internal structure of the portable blowing device is simplified while the quick cooling requirement of a user is met, and the components are integrated, so that the assembly process is reduced, the production efficiency is improved, and the production cost of a product is reduced.

Referring to fig. 1 to 3, as a specific implementation manner of the portable air blower provided in this embodiment, an arc-shaped casing 1 of the portable air blower includes a flexible housing and a shaping tube, the shaping tube is disposed in the accommodating cavity 11, and the shaping tube is fixedly connected with an inner wall of the flexible housing. The user can self-adjust the shape of the shell 1 according to the use requirement or the use situation, for example, the portable air blowing device can be wound on an arm for use by changing the bending radian of the shell 1, or the orientation of the air inlet 12 or the air outlet 13 can be changed by twisting the shell 1. In addition, the comfort of the user can be improved by adopting the flexible shell, 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 shaping pipe are not limited herein. Optionally, the flexible housing may be made of silica gel or TPU (Thermoplastic polyurethanes, thermoplastic polyurethane elastomer rubber), and the characteristics of high strength, good toughness, etc. are utilized. Optionally, the shaping pipe can be formed by adding aluminum strips in the gooseneck or the serpentine pipe, so that the shell 1 can be kept in a shape required by a user, and the use requirement of the user is met.

Referring to fig. 1 to 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 blower are not limited. When the portable blowing device is hung at the neck of a user, the air inlet 12 on the shell 1 can be arranged on the inner surface of the shell 1 facing the neck; or, the air inlet 12 on the shell 1 can be arranged on the outer surface of the shell 1, which is away from the neck; or, the air inlet 12 on the shell 1 can be arranged on the upper surface of the shell 1 facing upwards; alternatively, the air inlet 12 on the housing 1 may be disposed on a downward facing lower surface of the housing 1. Preferably, the air inlet 12 on the housing 1 is provided on the inner surface of the housing 1 facing the neck; or, the air inlet 12 on the shell 1 is arranged on the outer surface of the shell 1, which is away from the neck. The number of the air inlets 12 is multiple, so that wind resistance is reduced, the air blowing mechanism 2 is beneficial to guiding outside air into the accommodating cavity 11 from the air inlets 12, the air quantity input into the accommodating cavity 11 is guaranteed, and further the wind power output by the air outlets 13 is beneficial to guaranteeing. Preferably, the air intake 12 on the casing 1 sets up in the surface of the department of deviating from the neck of casing 1, and a plurality of air intakes 12 evenly lay in the surface of casing 1, when guaranteeing the amount of wind in the accommodation chamber 11 of input casing 1, can reduce the noise that the blowing mechanism 2 operation in-process that the user received produced, are favorable to promoting user experience. Optionally, the air outlet 13 on the casing 1 may be disposed on the upper surface of the casing 1 facing upwards, so that the air generated by the air blowing mechanism 2 in the accommodating cavity 11 can be blown towards the neck and the head of the user, thereby realizing summer heat relieving and cooling for the user. Optionally, the quantity of air outlets 13 on casing 1 is a plurality of, and a plurality of air outlets 13 equidistant are laid in the upper surface of orientation top of casing 1, can sweep the cooling to the user by multiple angles, satisfy the demand that the user cooled down fast.

Optionally, the surface of the middle area of the casing 1 is convexly provided with a supporting part 16, when in use, the casing 1 is hung on the neck of a user, and the supporting part 16 can enable the inner surface of the casing 1 to be spaced from the neck of the user, so that the fitting area of the casing 1 and the neck is reduced. In addition, the inner surface of the middle area of the shell 1 is provided with an air outlet 13, and the support part 16 enables the inner surface of the shell 1 to be spaced from the neck of the user, so that the neck of the user is prevented from blocking the air outlet 13 of the inner surface of the shell 1, and the neck of the user is better cooled.

Referring to fig. 3 to 5, in the present embodiment, the blower mechanism 2 further includes a wind collecting cover 23, the blower assembly 22 is installed in the housing 1, the wind collecting cover 23 encloses with the housing 1 to form an installation area, the blower assembly 22 is installed in the installation area, and the wind collecting cover 23 covers the blower assembly 22. The wind collecting cover 23 is provided with a wind suction opening 231 which is communicated with the installation area and the wind inlet 12, so that when the wind blowing component 22 works, air enters the wind suction opening 231 through the wind inlet 12 and then enters the wind blowing component 22. When the wind collecting cover 23 is installed in the accommodating cavity 11, the wind collecting cover 23 is abutted against the guide plate 14, the wind collecting channel 15 is communicated with the installation area and the air outlet 13, the wind collecting channel 15 is communicated with the installation area, the wind collecting channel 15 is further communicated with the outlet of the air blowing component 22, and the wind collecting channel 15 is communicated with the air outlet 13, so that the air output by the air blowing component 22 is accelerated through the wind collecting channel 15 and then is discharged through the air outlet 13, and the air outlet speed is improved. A power source 21 is provided in the housing 1 to supply the blower assembly 22 with electric power required for operation through the power source 21 in the housing 1. The air blowing component 22 is started and utilizes the air suction inlet 231 on the air collecting cover 23 to guide external air into the installation area from the air inlet 12, the external air is pressurized by the air blowing component 22 and then discharged to the installation area, the air generated by the air blowing component 22 is converged in the installation area, pressurized again, accelerated by the air collecting channel 15 and then discharged through the air outlet 13, so that 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. Wherein the blowing mechanism 2 comprises an inclined flow centrifugal fan or a direct flow centrifugal fan.

Alternatively, the number of the blower assemblies 22 in the accommodating chamber 11 may be one or two, and when the number of the blower assemblies 22 is two, the two blower assemblies 22 are respectively disposed at both ends of the housing 1. When the number of the air blowing components 22 is one, the air blowing components 22 can be arranged in the middle area of the length of the shell 1, guide plates 14 are respectively arranged on two opposite sides of the shell 1, two air collecting channels 15 which are communicated with the installation area and the air outlet 13 are formed by surrounding the guide plates 14 on two sides of the shell 1 and the inner wall on the upper side of the shell 1, so that air discharged by the air blowing components 22 is pressurized through the installation area and then conveyed to the air outlet 13 along the air collecting channels 15 on two sides, and summer heat relieving and cooling of a user are realized.

Optionally, the blower assembly 22 includes a rotating blower disposed within the mounting area. The rotary fan comprises a motor electrically connected with the power supply 21, a rotating frame arranged on the motor, and diagonal flow blades distributed at equal intervals along the circumferential outer surface of the rotating frame. The power supply 21 provides electric energy required by operation for a motor of the rotary fan, the motor drives the rotary frame to rotate and drives the diagonal flow blades arranged on the rotary frame to rotate, outside air is led into an installation area from the air inlet 12, meanwhile, the flow direction of wind is limited by the installation area to improve wind power, and the wind in the installation area is conveyed to the air outlet 13 through the wind collecting channel 15 to sweep and cool a user.

Optionally, the rotating fan is a mixed flow fan, and utilizes the characteristics of high efficiency, low noise, compact structure, easy installation and the like of the mixed flow fan, external air is led into the installation area through the rotating fan, and the diagonal flow blades of the rotating fan enable air in the installation area to do centrifugal motion and axial motion, and meanwhile, the air is limited by the installation area formed by surrounding the inner wall of the wind collecting cover 23 and the inner wall of the shell 1, so that the flow direction of wind is limited to form high-pressure wind, the wind force is improved, and the wind force output by the air outlet 13 is improved.

Optionally, the rotating fan may be a coaxial double-sided mixed flow fan, and the two opposite sides of the casing 1 are provided with air inlets 12, and external air is led into the installation area from the air inlets 12 at the two sides of the casing 1 through the rotating fan, so that the input amount of the external air is increased, the wind power is increased, and the wind power output by the air outlets 13 is increased.

Referring to fig. 3 to 6, in the present embodiment, the connection between the wind collecting cover 23 and the housing 1 of the portable blower is not limited, and may be detachable or non-detachable. Optionally, adopt the detachable connection between gathering the wind lid 23 and the casing 1, be convenient for assemble and dismantle, when portable blast apparatus needs to overhaul, can dismantle gathering the wind lid 23.

Optionally, gather wind lid 23 and casing 1 threaded connection, portable blast apparatus still includes and is used for gathering wind lid 23 fixed connection at the first retaining member 3 in casing 1, the surface of first retaining member 3 is provided with the external screw thread, be provided with the first screw hole 17 that is used for threaded connection first retaining member 3 on the inner wall of casing 1, set up the first through-hole 232 that supplies first retaining member 3 to pierce through on the wind lid 23, first retaining member 3 pierces through first through-hole 232 on the wind lid 23 and puts into the first screw hole 17 on the inner wall of casing 1, with gather wind lid 23 accurate fixed connection in the preset position of casing 1, and a structure is simple, the simple operation.

Optionally, the wind collecting cover 23 is in snap connection with the shell 1, a plurality of buckles are uniformly distributed on the circumferential side wall of the wind collecting cover 23, and a plurality of clamping grooves are formed in the inner wall of the shell 1 at positions corresponding to the plurality of buckles; or, a plurality of clamping grooves are uniformly distributed on the circumferential side wall of the wind gathering cover 23, and a plurality of buckles are arranged on the inner wall of the shell 1 at positions corresponding to the plurality of clamping grooves. The wind collecting cover 23 is installed in the shell 1 in a buckling connection mode, the wind collecting cover 23 can be rapidly and accurately installed at a preset position in the shell 1, meanwhile, the assembly rate can be effectively improved, and therefore production efficiency can be improved, and production cost is reduced.

Optionally, the portable blowing device further comprises a control panel 5 electrically connected with the power supply 21 and a function key 6 electrically connected with the control panel 5, the function key 6 is installed on the shell 1, the control panel 5 is installed in the shell 1, a user can operate the function key 6 arranged on the shell 1 to start and stop the portable blowing device or select a mode, the use requirement of the user is met, and the operation is convenient.

Optionally, the surface of the wind collecting cover 23 is concavely formed with a mounting groove 233 for mounting the control panel 5, and the control panel 5 is mounted in the mounting groove 233 to fix the control panel 5, so that on one hand, the control panel 5 can be prevented from shaking in the accommodating cavity 11 during use by a user, the control panel 5 is prevented from colliding with the inner wall of the housing 1 or being extruded by other components, the control panel 5 is damaged, and the service life of the portable blowing device is prolonged; on the other hand, the control panel 5 can be accurately mounted to the preset position on the wind collecting cover 23 by operators in the assembling process, so that the assembling efficiency is improved, the production cost of products is reduced, the structure of the portable blowing device is more compact, and the structural stability and reliability of the portable blowing device are improved.

Optionally, gather wind lid 23 and control panel 5 threaded connection, portable blast apparatus still includes the second retaining member 4 that is used for with control panel 5 fixed connection on gathering wind lid 23, the surface of second retaining member 4 is provided with the external screw thread, gather wind lid 23 and be located the tank bottom of mounting groove 233 and be provided with the second screw hole 234 that is used for threaded connection second retaining member 4, the second through-hole that supplies second retaining member 4 to pierce through has been seted up on the control panel 5, second through-hole that second retaining member 4 pierced on the control panel 5 and put into the second screw hole 234 in the mounting groove 233 that gathers wind lid 23, with control panel 5 accurate fixed connection in the preset position that gathers wind lid 23, and a structure is simple, the simple operation.

Optionally, the outer surface of the wind collecting cover 23 is provided with a buffer member for abutting against the inner wall of the housing 1 for buffering vibration generated during operation of the blowing mechanism 2, while noise generated when the wind collecting cover 23 and the inner wall of the housing 1 collide can be reduced. Optionally, the buffer member is a buffer cotton or a silica gel fixedly connected to the outer surface of the wind collecting cover 23.

Referring further to fig. 3 to 5, in the present embodiment, the air collecting duct 15 includes a pressurizing section 151 and an air supply section 152 connected to the pressurizing section 151, the pressurizing section 151 is connected to a mounting area where the air blowing assembly 22 is disposed, and the pressurizing section 151 is disposed between the mounting area and the air supply section 152. The sectional area of the pressurizing section 151 is gradually reduced from the mounting area to the air supply section 152 so as to smoothly guide the air outlet to the air supply section 152, and because the sectional area of the pressurizing section 151 is gradually reduced, when the air flows through the pressurizing section 151, the pressure is increased, and the air speed is increased, so that the air enters the mounting area to gather and pressurize after being pressurized by the air blowing component 22, and then is pressurized and accelerated by the pressurizing section 151 of the air gathering channel 15, and the air flowing into the air supply section 152 can be prevented from reversely flowing into the mounting area while the wind power is improved, the air blowing device can continuously output high-pressure air, the summer heat of a user is relieved, and the use requirement of the user is met.

Optionally, the wind collecting channel 15 that forms intercommunication installation region and air outlet 13 is enclosed with the upside inner wall of casing 1 to one side of guide plate 14, and the opposite side of guide plate 14 encloses with the downside inner wall of casing 1 and forms the holding region that is used for holding power 21, and power 21 installs in the holding region to restrict the displacement of power 21 in holding chamber 11, prevent that the user from producing vibrations because power 21 rocks in holding chamber 11 in the use, avoid power 21 and the inner wall collision of casing 1 to produce the noise, or cause the damage to power 21, be favorable to prolonging portable blast apparatus's life.

Optionally, the limiting plate is arranged on the inner wall surface of the shell 1, the limiting plate and the guide plate 14 enclose to form a limiting groove for placing the power supply 21, the power supply 21 is installed in the limiting groove to fix the power supply 21, on one hand, the power supply 21 can be prevented from shaking in the accommodating cavity 11 during use, noise generated by collision between the power supply 21 and the inner wall of the shell 1 is avoided, or damage to the power supply 21 is avoided, the service life of the portable blowing device is prolonged, on the other hand, operators can accurately install the power supply 21 at a preset position in the accommodating cavity 11 during assembly, the assembly efficiency is improved, the production cost of products is reduced, the structure of the portable blowing device is more compact, and the structural stability and reliability of the portable blowing device are improved.

Optionally, the power supply 21 arranged in the shell 1 is a storage battery, the portable blowing device further comprises a charging interface 7 arranged on the outer surface of the shell 1 and electrically connected with the power supply 21, the storage battery in the shell 1 can be charged through the charging interface 7 by a user, and the power supply 21 is ensured to store enough electric energy for the portable blowing device to work, so that the use requirement of the user is met.

The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A portable air blowing device, comprising:

2. A portable air blowing device as claimed in claim 1, wherein: the air collecting channel comprises a pressurizing section and an air supply section, the pressurizing section is connected with the air blowing assembly, the air supply section is connected with the pressurizing section, the pressurizing section is arranged between the air blowing assembly and the air supply section, and the cross section area of the pressurizing section is gradually reduced from the air blowing assembly to the air supply section; wherein the air outlet on the shell is arranged on the upper surface of the shell facing upwards; and/or the air outlet is arranged on the inner surface of the middle area of the shell.

3. A portable air blowing device as claimed in claim 1, wherein: the air blowing mechanism further comprises an air gathering cover, the air gathering cover and the shell enclose to form an installation area, the air blowing assembly is installed in the installation area, an air suction inlet which is communicated with the installation area and the air inlet is formed in the air gathering cover, when the air gathering cover is installed in the accommodating cavity, the air gathering cover is abutted to the guide plate, and the air gathering channel is communicated with the installation area and the air outlet.

4. A portable air blowing device according to claim 3, wherein: the portable blowing device comprises a shell, and is characterized in that the wind gathering cover is in threaded connection with the shell, the portable blowing device further comprises a first locking piece which is fixedly connected with the wind gathering cover in the shell, an external thread is arranged on the outer surface of the first locking piece, a first threaded hole which is used for being in threaded connection with the first locking piece is formed in the inner wall of the shell, and a first penetrating hole which is used for the first locking piece to penetrate is formed in the wind gathering cover.

5. A portable air blowing device according to claim 3, wherein: the outer surface of the wind gathering cover is provided with a buffer piece which is used for being abutted with the inner wall of the shell.

6. A portable air blowing device according to claim 3, wherein: 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, the control panel is installed in the shell, and an installation groove for installing the control panel is formed in the inwards concave surface of the wind gathering cover.

7. The portable air blowing apparatus of claim 6, wherein: the portable blowing device is characterized in that the wind gathering cover is in threaded connection with the control panel, the portable blowing device further comprises a second locking piece which is used for fixedly connecting the control panel to the wind gathering cover, an external thread is arranged on the outer surface of the second locking piece, the wind gathering cover is positioned at the bottom of the mounting groove and is provided with a second threaded hole which is used for being in threaded connection with the second locking piece, and a second penetrating hole which is used for the second locking piece to penetrate is formed in the control panel.

8. A portable air blowing device according to any of claims 1 to 7, wherein: the inner wall surface of the shell is provided with a limiting plate, and the limiting plate and the guide plate enclose to form a limiting groove for placing the power supply.

9. A portable air blowing device according to any of claims 1 to 7, wherein: the surface of the middle area of the shell is convexly provided with a supporting part.

10. A portable air blowing device according to any of claims 1 to 7, wherein: the portable blowing device further comprises a charging interface which is arranged on the outer surface of the shell and is electrically connected with the power supply.