CN210581451U

CN210581451U - Hand-held blowing device

Info

Publication number: CN210581451U
Application number: CN201921523221.1U
Authority: CN
Inventors: 俞浩
Original assignee: Dreame Technology Tianjin Co Ltd
Current assignee: Pursuit Technology Suzhou Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-22
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a hand-held blowing device, which comprises a holding part, a working part connected with the holding part and an air suction component for introducing external air flow into the working part, wherein the hand-held blowing device also comprises a tuyere component for gathering the air flow, the working part is provided with an air outlet, and the tuyere component is detachably connected with the air outlet through a connecting component; the connecting assembly comprises a first butt joint piece, the air nozzle assembly comprises a second butt joint piece which is adsorbed to the first butt joint piece to be connected, the first butt joint piece comprises a first butt joint face, the second butt joint piece is provided with a second butt joint face, and the area of the first butt joint face is smaller than or equal to that of the first butt joint face. The connecting assembly connected with the air nozzle assembly is arranged at the air outlet, and the connecting assembly is in adsorption butt joint with the second butt joint piece of the air nozzle assembly through the first butt joint piece, so that the air nozzle assembly is quick and convenient; the area of the first butt joint surface is smaller than or equal to that of the second butt joint surface, so that the connection relationship between the air nozzle assembly and the connecting assembly is more stable and is not easy to fall off.

Description

Hand-held blowing device

Technical Field

The utility model relates to a handheld blowing equipment belongs to electric tool technical field.

Background

The hair dryer is a small personal care household appliance capable of quickly drying hair, and the air can be heated by the heating wires, so that the hair can be dried more quickly. The tuyere assembly of the hair dryer in the prior art is generally clamped with the air outlet, so that the disassembly is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a handheld blowing device, an air outlet of which is provided with a first butt joint piece, and a tuyere assembly comprises a second butt joint piece which is connected with the first butt joint piece in an adsorption way, so that the handheld blowing device is quick and convenient; and the second butt joint surface of the second butt joint piece is larger than or equal to the first butt joint surface of the first butt joint piece, so that the air nozzle assembly is stable when the equipment works.

In order to achieve the above purpose, the utility model provides a following technical scheme: a handheld blowing device comprises a holding part, a working part connected with the holding part, and an air suction assembly for introducing external air flow into the working part, and further comprises an air nozzle assembly for gathering the air flow, wherein the working part is provided with an air outlet, and the air nozzle assembly is detachably connected with the air outlet through a connecting assembly; the connecting assembly comprises a first butt joint piece, the air nozzle assembly comprises a second butt joint piece which is adsorbed by the first butt joint piece to be connected, the first butt joint piece comprises a first butt joint face, the second butt joint piece is provided with a second butt joint face, and the area of the first butt joint face is smaller than or equal to that of the first butt joint face.

Furthermore, one of the first butt joint piece and the second butt joint piece is a magnetic piece, and the other of the first butt joint piece and the second butt joint piece is an adsorption piece.

Further, coupling assembling still include with the fixing base that the air outlet is connected, first butt joint spare passes through the fastener setting and is in on the fixing base.

Further, be provided with first notch on the air outlet, be provided with on the fixing base with first notch assorted first arch, first arch with first notch block is so that the fixing base is fixed on the air outlet.

Furthermore, the fixing seat is also provided with a vent used for enabling air flow to pass through, and the vent is arranged on the outer side of the first butt joint piece.

Further, the working part comprises an air duct shell with a cavity and a central air duct arranged in the cavity, and the end part of the central air duct is in threaded connection with the fixed seat.

Further, the connecting assembly further comprises a collar for connecting the fixing seat and the tuyere assembly, wherein the collar is provided with a hollow part so that the first butt piece is exposed.

Furthermore, a second protrusion is arranged on the fixing seat, a second notch matched with the second protrusion is arranged on the lantern ring, and the second protrusion is clamped with the second notch so that the lantern ring is fixed on the fixing seat.

Furthermore, two sides of the second notch are also provided with limit blocks for preventing the second protrusion from moving.

Furthermore, the tuyere assembly further comprises a flow guide piece which is connected with the second butt joint piece and used for guiding airflow, and the flow guide piece is arranged on one side departing from the second butt joint piece.

The beneficial effects of the utility model reside in that: the connecting assembly connected with the air nozzle assembly is arranged at the air outlet, and the connecting assembly is in adsorption butt joint with the second butt joint piece of the air nozzle assembly through the first butt joint piece, so that the air nozzle assembly is quick and convenient; the area of the first butt joint surface is smaller than or equal to that of the second butt joint surface, so that the connection relationship between the air nozzle assembly and the connecting assembly is more stable and is not easy to fall off.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the handheld blowing device of the present invention.

Fig. 2 is a schematic structural view of the grip portion in fig. 1.

Fig. 3 is a partial structure diagram of the holding part in fig. 1.

Fig. 4 is a schematic structural view of the working portion in fig. 1.

Fig. 5 is a partial structural view of the working part in fig. 1.

Fig. 6 is an exploded view of the working portion of fig. 1.

Fig. 7 is a schematic structural view of the connecting assembly of fig. 1.

Fig. 8 is an exploded view of fig. 7.

Fig. 9 is an exploded view of the nozzle assembly of fig. 1.

Fig. 10 is a schematic view of the combination of the nozzle assembly and the connecting assembly of fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, the handheld blowing device 100 of a preferred embodiment of the present invention can be used in a hair drying scene; or, the local drying, heating and physical therapy scenes are performed in the aspects of laboratories, physical therapy rooms, industrial production, art designing and the like, and the application scenes of the handheld blowing device 100 are not limited in the application. The hand-held hair-blowing device 100 may comprise the following components: a grip part 1 and a working part 2 connected to the grip part 1.

Referring to fig. 2 and 3, the holding portion 1 has a first end 11 connected to the working portion 2 and a second end 12 away from the working portion 2 for air intake. The second end 12 is penetrated by a cable 4 for supplying power to the hand-held blowing device 100 as a whole. The end of the cable 4 remote from the second end 12 is provided with a plug (not shown in the figures) which can provide an electrical connection to a mains power supply or a battery pack.

The cable 4 includes a live wire and a neutral wire. Alternatively, the cable 4 is divided into at least two wires inside the grip 1 after one wire penetrates the second end 12.

The grip portion 1 has a grip housing 13 to protect components inside the grip portion 1. The grip housing 13 extends from the working portion 2 to an end of the second end portion 12 remote from the working portion 2. The cable 4 enters the grip 1 through the grip housing 13 at the location of the second end 12. The cable 4 is positioned substantially in the middle of the second end 12, extending towards the inner centre of the grip 1. Illustratively, the grip portion 1 has a tubular structure as a whole and has a substantially uniform diameter. Of course, the grip portion 1 may have other shapes, and this embodiment is not limited thereto. Alternatively, in order to ensure stability when the user uses the hand-held blowing apparatus 100, the grip portion 1 portion of the grip housing 13 may be provided with an anti-slip member; alternatively, the material of the grip portion 1 of the grip case 13 is an anti-slip material.

The hand-held blowing apparatus 100 of the present embodiment further includes a suction assembly 14 for introducing an external air flow into the working part 2, the suction assembly 14 being disposed within the grip part 1 to suck and guide the external air flow from the second end 12 to the working part 2. The air suction assembly 14 includes a motor 141 and a fan, and the motor 141 and the fan may be integrally provided; alternatively, the device may be detachably disposed, which is not limited in this embodiment. Alternatively, the motor 141 may be an ac induction motor, a series ac/dc motor, or a dc motor, and the type of the motor 141 is not limited in this embodiment.

Optionally, a first touch control assembly 5 is further disposed on the holding portion 1, and the first touch control assembly 5 is configured to receive a first touch control operation to adjust a working state of the handheld blowing device 100. Such as: and adjusting the on-off state of the handheld blowing equipment 100 according to the first touch operation. Optionally, the first touch component 5 may be implemented as a button component (i.e., a touch component implemented based on physical keys), a touch display screen component (i.e., a touch component implemented based on virtual keys), or the like, and the implementation manner of the first touch component 5 is not limited in this embodiment.

Of course, other components can also be arranged in the grip portion 1, such as: a fixing component for fixing the cable 4, the touch component and the air suction component 14, and the like, which are not listed here.

Referring to fig. 4 to 6, the working portion 2 includes a wind tunnel casing 21 forming a cavity, a central wind tunnel 22 disposed in the cavity, a heating assembly 23 sleeved on the central wind tunnel 22 for adjusting the temperature, a control assembly 24 connected to the central wind tunnel 22 for controlling the wind suction assembly 14 and the heating assembly 23, and a cover plate assembly 25 covering one side of the wind tunnel casing 21, wherein the wind suction assembly 14, the heating assembly 23 and the control assembly 24 are electrically connected, and the control assembly 24 is electrically connected to the cable 4. In this embodiment, the control component 24 is a double-layer circuit board 241, the central air duct 22 has an outer peripheral surface, the double-layer circuit board 241 is sleeved on the outer peripheral surface to be fixed with the central air duct 22, the double-layer circuit boards 241 are both PCB boards, and the heating component 23 is a heating wire 231. Indeed, in other embodiments, the double-layer circuit board 241 may be other, and the heating element 23 may be other, which is not limited herein according to the actual situation. In the present embodiment, the air duct casing 21 is circular to match the shape of the central air duct 22. Indeed, in other embodiments, the air duct casing 21 may be other, and is not specifically limited herein, depending on the actual situation.

The double-layer circuit board 241 is used for controlling the operating parameters of the handheld blowing device 100. Such as: adjusting the heating power of the heating assembly 23, the rotating speed of the air suction assembly 14 and other working parameters. Correspondingly, the handheld blowing device 100 is provided with a second touch control assembly 6 and a third touch control assembly 7, and both the second touch control assembly 6 and the third touch control assembly 7 are electrically connected to the double-layer circuit board 241. The second touch control element 6 is configured to receive a second touch control operation to enable the double-layer circuit board 241 to adjust the heating power of the heating element 23, so as to adjust the air outlet temperature of the double-layer circuit board 241. The third touch component 7 is configured to receive a third touch operation to enable the double-layer circuit board 241 to adjust the rotation speed of the air suction component 14, so as to adjust the air outlet speed of the double-layer circuit board 241.

Optionally, the second touch-control assembly 6 and the third touch-control assembly 7 are disposed on the cover assembly 25; of course, in practical implementation, the second touch device 6 and the third touch device 7 can be disposed at other positions, such as: in the grip 1, the present embodiment does not limit the installation positions of the second touch device 6 and the third touch device 7.

In addition, in the embodiment, only two working parameters, that is, the double-layer circuit board 241 controls the heating power of the heating element 23 and the rotation speed of the air suction element 14, are taken as an example for description, during actual implementation, other working parameters may be additionally controlled, accordingly, more touch elements may be integrated on the handheld blowing device 100, and this embodiment is not listed here. As above, the second touch module 6 and the third touch module 7 may be implemented as a button module (i.e., a touch module implemented based on physical keys), or a touch display screen module (i.e., a touch module implemented based on virtual keys), and the implementation manner of the second touch module 6 and the third touch module 7 is not limited in this embodiment.

It should be added that two or three of the first touch component 5, the second touch component 6 and the third touch component 7 can also be implemented as one touch component, and the touch component has multiple adjustment functions.

Referring to fig. 7 to 10, the handheld blowing device 100 further includes a nozzle assembly 3 for gathering the airflow, a gap is formed between the air duct housing 21 and the central air duct 22, the working portion 2 has an air outlet, and the nozzle assembly 3 is detachably connected to the air outlet through a connecting assembly 8. The connecting assembly 8 includes a first mating member 81, the nozzle assembly 3 includes a second mating member 31 attached to the first mating member 81 for connection, the first mating member 81 includes a first mating surface 811, the second mating member 31 has a second mating surface 312, and an area of the first mating surface 811 is smaller than or equal to an area of the first mating surface 811. One of the first butt-joint member 81 and the second butt-joint member 31 is a magnetic member, and the other of the first butt-joint member 81 and the second butt-joint member 31 is an adsorption member.

The connecting assembly 8 further comprises a fixing seat 82 connected with the air outlet, the end portion of the central air duct 22 is in threaded connection with the fixing seat 82, and the first butt-joint member 81 is arranged on the fixing seat 82 through a fastening member. Be provided with first notch 211 on the air outlet, more specifically, be provided with first notch 211 on the dryer shell 21, be provided with on the fixing base 82 with first notch 211 assorted first arch 821, first arch 821 is in order to make fixing base 82 fix on the air outlet with first notch 211 block. The fixed seat 82 is further provided with a vent 822 for allowing airflow to pass through, and the vent 822 is arranged outside the first butt piece 81. A sealing element for enhancing the sealing performance is further arranged between the fixed seat 82 and the air duct shell 21. The connecting assembly 8 further includes a collar 83 for connecting the fixing seat 82 and the nozzle assembly 3, and the collar 83 has a hollow portion so as to expose the first docking member 81. The fixing base 82 is provided with a second protrusion 823, the collar 83 is provided with a second notch 831 matched with the second protrusion 823, and the second protrusion 823 is clamped with the second notch 831 to fix the collar 83 on the fixing base 82. The second notch 831 is further provided at both sides thereof with stoppers for preventing the second protrusion 823 from moving.

The second butt joint piece 31 is provided with an air hole 311 corresponding to the air vent 822, the air nozzle assembly 3 further comprises a flow guide piece 32 connected with the second butt joint piece 31 and used for guiding air flow, the flow guide piece 32 is arranged on one side departing from the second butt joint piece 31, and the air nozzle assembly 3 further comprises an air cover 33 sleeved on one side of the flow guide piece 32 and used for gathering the air flow.

In this embodiment, the first docking member 81 is a magnetic member, and the second docking member 31 is an adsorbing member. Indeed, in other embodiments, the first docking member 81 may also be an adsorbing member, and the second docking member 31 may also be a magnetic member, which is not specifically limited herein, depending on the actual situation.

In summary, the following steps: the connecting assembly 8 connected with the air nozzle assembly 3 is arranged at the air outlet, and the connecting assembly 8 is in adsorption butt joint with the second butt joint piece 31 of the air nozzle assembly 3 through the first butt joint piece 81, so that the air nozzle assembly is quick and convenient; the area of the first abutting surface 312 is smaller than or equal to the area of the second abutting surface 811, so that the connection relationship between the nozzle assembly 3 and the connecting assembly 8 is more stable and is not easy to fall off.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A handheld blowing device is characterized by comprising a holding part, a working part connected with the holding part, and an air suction assembly for introducing external air flow into the working part, wherein the handheld blowing device also comprises an air nozzle assembly for gathering the air flow, the working part is provided with an air outlet, and the air nozzle assembly is detachably connected with the air outlet through a connecting assembly; the connecting assembly comprises a first butt joint piece, the air nozzle assembly comprises a second butt joint piece which is adsorbed by the first butt joint piece to be connected, the first butt joint piece comprises a first butt joint face, the second butt joint piece is provided with a second butt joint face, and the area of the first butt joint face is smaller than or equal to that of the first butt joint face.

2. The handheld blowing device of claim 1, wherein one of the first docking member and the second docking member is a magnetic member, and the other of the first docking member and the second docking member is a suction member.

3. The handheld blowing device of claim 1, wherein the connection assembly further comprises a fixing base connected with the air outlet, and the first docking member is disposed on the fixing base through a fastening member.

4. The handheld blowing device according to claim 3, wherein a first notch is formed in the air outlet, a first protrusion matched with the first notch is formed in the fixing base, and the first protrusion is engaged with the first notch so that the fixing base is fixed to the air outlet.

5. The handheld blowing device according to claim 3, wherein a ventilation opening for allowing airflow to pass is further provided in the fixing base, and the ventilation opening is provided outside the first docking member.

6. The handheld blowing device according to claim 3, wherein the working portion includes a wind barrel housing formed with a cavity and a central wind barrel disposed in the cavity, and an end of the central wind barrel is in threaded connection with the fixing seat.

7. The handheld blowing apparatus of claim 3, wherein the connection assembly further includes a collar to connect the fixing base and the tuyere assembly, the collar having a hollow portion to expose the first docking member.

8. The handheld blowing device according to claim 7, wherein a second protrusion is provided on the fixing base, a second notch matching with the second protrusion is provided on the collar, and the second protrusion is engaged with the second notch so that the collar is fixed on the fixing base.

9. The handheld blowing apparatus of claim 8, wherein stoppers for preventing the second protrusion from moving are further provided at both sides of the second notch.

10. The handheld blowing device of claim 1, wherein the tuyere assembly further comprises a flow guide connected to the second docking member for guiding the air flow, the flow guide being disposed at a side facing away from the second docking member.