CN210672442U

CN210672442U - Hand-held blowing device

Info

Publication number: CN210672442U
Application number: CN201921523220.7U
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: 2020-06-05
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a handheld blowing equipment, including the portion of gripping, with the work portion that the portion of gripping is connected and introduce the outside air current to the work the subassembly that induced drafts of work portion, the work portion is in including the dryer shell, the setting that are formed with the cavity just is used for forming air current channel's central dryer, cover to establish heating element and circuit board on the central dryer, the central dryer has the outer peripheral face, the circuit board cover is established on the outer peripheral face with the central dryer is fixed. Through directly fixing the cover with double-deck circuit board and establishing on central dryer for double-deck circuit board is fixed convenient, and the installation of double-deck circuit board and central dryer becomes more simple, swift and high-efficient simultaneously.

Description

Hand-held blowing device

Technical Field

The utility model relates to a handheld blowing equipment.

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 installation of the internal control assembly of hair-dryer among the prior art is comparatively loaded down with trivial details, generally need through modes such as welding with the other part fixed connection of control assembly and hair-dryer, and production and processing brings a great deal of inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can make fixed convenient handheld blast apparatus of double-deck circuit board.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a handheld blowing equipment, including the portion of gripping, with the work portion that the portion of gripping is connected and introduce outside air current to work the subassembly that induced drafts of work portion, the work portion is in including the dryer shell that is formed with the cavity, setting just be used for forming the central dryer of air current passageway, cover in the cavity and establish heating element and circuit board on the central dryer, the central dryer has the outer peripheral face, the circuit board cover is established in order to with the central dryer is fixed on the outer peripheral face.

Further, the central air duct comprises a first air duct and a second air duct communicated with the first air duct, the diameter of the first air duct is smaller than that of the second air duct, the circuit board sleeve is arranged on the first air duct, and the heating assembly sleeve is arranged on the second air duct.

Further, the shape of the circuit board is circular.

Furthermore, the handheld air blowing equipment further comprises a cover plate assembly arranged on one side of the air duct shell in a covering mode, a first through hole is formed in one end, close to the cover plate assembly, of the central air duct, a first protruding block is arranged on the cover plate assembly, and the first protruding block penetrates through the first through hole and is clamped with the first through hole to enable the cover plate assembly to be fixedly connected with the central air duct.

Furthermore, the cover plate assembly is arranged close to the circuit board, a second through hole is formed in the circuit board, a second protruding block corresponding to the second through hole is arranged on the cover plate assembly, and the second protruding block penetrates through the second through hole and is clamped with the second through hole so that the cover plate assembly and the circuit board are clamped.

Furthermore, the end part, close to the cover plate assembly, of the central air duct is provided with first threads, and the cover plate assembly is provided with second threads matched with the first threads to realize threaded connection.

Further, the cover plate assembly comprises a cover plate body arranged on one side of the circuit board, and the second protruding blocks are arranged on the cover plate body.

Furthermore, the cover plate assembly further comprises a rear cover plate arranged on one side of the cover plate body, a clamping groove is formed in the cover plate body, a third protruding block corresponding to the clamping groove is arranged on the rear cover plate, and the third protruding block and the clamping groove are clamped.

Further, the cover plate assembly further comprises an end cover arranged between the cover plate body and the rear cover plate, and a third through hole used for enabling the third protruding block to penetrate through is formed in the end cover.

Furthermore, the central air duct is provided with an air outlet, and the handheld blowing equipment further comprises an air nozzle assembly which is connected with the air outlet and used for gathering air flow.

The beneficial effects of the utility model reside in that: through directly fixing the cover with double-deck circuit board and establishing on central dryer for double-deck circuit board is fixed convenient, and the installation of double-deck circuit board and central dryer becomes more simple, swift and high-efficient simultaneously.

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.

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 housing 21 forming a cavity, a central wind tunnel 22 disposed in the cavity and forming an airflow channel, a heating assembly 23 sleeved on the central wind tunnel 22 for adjusting temperature, a cover assembly 25 connected to the central wind tunnel 22 and controlling the wind suction assembly 14 and the circuit board 24, and a cover plate assembly 25 covering one side of the wind tunnel housing 21, wherein the wind suction assembly 14, the heating assembly 23 and the circuit board 24 are electrically connected, and the control assembly 24 is electrically connected to the cable 4. In this embodiment, the circuit board 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 element 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.

The central air duct 22 has an air outlet 224, the handheld blowing device 100 further includes a tuyere assembly 3 connected to the air outlet 224 for gathering the air flow, the connection mode is not limited to bolt connection, screw connection, clamp connection, etc., and the tuyere assembly 3 is used for outputting the air flow heated by the heating assembly 23 from the handheld blowing device 100. The tuyere assembly 3 is detachably mounted on the handheld blowing apparatus 100; or, it may be integrally formed with the central air duct 22. The air nozzle assembly 3 can change the shape and speed of the air flow in the handheld air blowing device 100, and can converge and output the air heated by the heating assembly 23 to the outside of the handheld air blowing device 100. The shape of the tuyere assembly 3 is not particularly limited herein, and is determined according to actual circumstances.

The central dryer 22 includes the first dryer 221 that is close to the setting of apron subassembly 25 and the second dryer 222 that sets up with first dryer 221 intercommunication, and the diameter of first dryer 221 is less than the diameter of second dryer 222, and double-deck circuit board 241 cover is established on first dryer 221, and heating element 23 cover is established on second dryer 222, and the air current flows to second dryer 222 from first dryer 221, the aim at of design like this: on the one hand, the airflow is heated by the heating assembly 23, and on the other hand, the overall appearance of the hand-held blowing device 100 is more attractive due to the convenience. As described above, in order to match the shape of the duct casing 21, in the present embodiment, the double-layer circuit board 241 has a circular shape. Indeed, in other embodiments, the shape of the double-layer circuit board 241 may be other, and is not limited herein according to the actual situation. The end part of the central wind tube 22 close to the cover plate component 25 is provided with a first thread, and the cover plate component 25 is provided with a second thread matched with the first thread to realize threaded connection.

One end of the central air duct 22 close to the cover plate assembly 25 is provided with a first through hole 223, the cover plate assembly 25 is provided with a first protruding block, and the first protruding block passes through the first through hole 223 and is clamped with the first through hole 223 so as to fixedly connect the cover plate assembly 25 and the central air duct 22, that is, in the embodiment, the end of the first air duct 221 is provided with the first through hole 223. In order to make the first protruding block and the first through hole 223 more firmly clamped, a fastener is further disposed at the end of the first protruding block protruding out of the first through hole 223 to prevent the first protruding block from sliding out of the first through hole 223. The fasteners are of conventional design and will not be described in detail herein.

The cover plate assembly 25 is disposed adjacent to the double-layer circuit board 241, and includes a cover plate body 251 disposed at one side of the double-layer circuit board 241, a back cover plate 253 disposed at one side of the cover plate body 251, and an end cap 252 disposed between the back cover plate 253 and the cover plate body 251, and the first protruding block is disposed at a central portion of the cover plate body 251. In the present embodiment, the cover plate body 251, the rear cover plate 253 and the end cap 252 are all circular to cover the air duct casing 21. However, in other embodiments, the cover body 251, the back cover 253 and the end cap 252 may have other shapes, and are not limited herein.

The double-layer circuit board 241 is provided with a second through hole 242, the cover plate assembly 25 is provided with a second protruding block corresponding to the second through hole 242, and the second protruding block passes through the second through hole 242 and is clamped with the second through hole 242 so that the cover plate assembly 25 is clamped with the double-layer circuit board 241. As described above, the second protruding piece is disposed on the cover plate body 251.

The cover plate body 251 is provided with a clamping groove, the rear cover plate 253 is provided with a third protruding block 2531 corresponding to the position of the clamping groove, and the third protruding block 2531 is clamped with the clamping groove. The cover plate assembly 25 further includes an end cap 252 disposed between the cover plate body 251 and the rear cover plate 253, and the end cap 252 is provided with a third through hole 2521 for passing the third protruding block 2531 therethrough.

In summary, the following steps: the double-layer circuit board 241 is directly fixedly sleeved on the central air duct 22, so that the double-layer circuit board 241 is convenient to fix, and meanwhile, the installation of the double-layer circuit board 241 and the central air duct 22 is simpler, quicker and more efficient.

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. The utility model provides a handheld blowing equipment, its characterized in that, including the portion of gripping, with the work portion that the portion of gripping is connected and introduce outside air current to work the subassembly that induced drafts of work portion, the work portion is in including the dryer shell that is formed with the cavity, setting just be used for forming the central dryer of air current passageway, cover in the cavity and establish heating element and circuit board on the central dryer, the central dryer has the outer peripheral face, the circuit board cover is established in order to with central dryer is fixed on the outer peripheral face.

2. The handheld blowing apparatus according to claim 1, wherein the central air duct includes a first air duct and a second air duct communicated with the first air duct, a diameter of the first air duct is smaller than a diameter of the second air duct, the circuit board is sleeved on the first air duct, and the heating element is sleeved on the second air duct.

3. A hand-held hair-blowing device according to claim 2, characterised in that the circuit board is circular in shape.

4. The handheld blowing apparatus of claim 1, further comprising a cover plate assembly covering one side of the air duct housing, wherein a first through hole is formed at an end of the central air duct adjacent to the cover plate assembly, and a first protruding block is formed on the cover plate assembly, and passes through the first through hole and is engaged with the first through hole to fixedly connect the cover plate assembly to the central air duct.

5. The handheld blowing apparatus of claim 4, wherein the cover assembly is disposed adjacent to the circuit board, the circuit board is provided with a second through hole, and the cover assembly is provided with a second protruding block corresponding to a position of the second through hole, the second protruding block passing through the second through hole and being caught by the second through hole so that the cover assembly is caught by the circuit board.

6. The handheld blowing device of claim 5, wherein a first thread is provided on an end of the central air duct near the cover plate assembly, and a second thread matching the first thread is provided on the cover plate assembly to realize a threaded connection.

7. The handheld blowing apparatus of claim 6, wherein the cover assembly includes a cover body disposed at a side of the circuit board, the second protruding piece being disposed on the cover body.

8. The handheld blowing apparatus according to claim 7, wherein the cover assembly further includes a rear cover disposed at one side of the cover body, the cover body is provided with a locking groove, the rear cover is provided with a third protruding block corresponding to the locking groove, and the third protruding block is locked with the locking groove.

9. The handheld blowing apparatus of claim 8, wherein the cover assembly further includes an end cap disposed between the cover body and the rear cover, the end cap being provided with a third through hole for the third protruding piece to pass through.

10. The handheld blowing device of claim 1, wherein the central air duct has an air outlet, and further comprising a nozzle assembly connected to the air outlet for collecting air flow.