CN215532303U - Heating device of handheld blower and blower - Google Patents

Abstract

The patent relates to a heating device of a handheld hair drier and the hair drier, comprising a frame, wherein the frame comprises a first frame body, the first frame body comprises an upper end surface, a lower end surface, a left side surface and a right side surface, wherein the upper end surface and the lower end surface are respectively provided with a first holding part and a second holding part; the second frame body extends leftwards from the first frame body, and a third holding part is arranged on the second frame body; the third frame body is arranged on the right side surface of the first frame body and extends rightwards, and a fourth holding part is arranged on the third frame body; a heating wire held in the first, third, second, and fourth holding portions, thereby being wound around the frame body. This patent adopts above-mentioned technical scheme, through the structure of frame, will the heater strip support open be and with the molding that the vortex intracavity wall shape of hair-dryer capsule is similar mutually has prolonged the distance of heating when not blockking the vortex air supply of medium, has improved the heating effect.

Description

Heating device of handheld blower and blower

Technical Field

This patent relates to the domestic appliance field, especially relates to a heating device and handheld hair-dryer of handheld hair-dryer.

Background

A hair dryer is a common household appliance in daily life, and is generally used for drying hair or similar scenes requiring hot air. In the prior art, a hair dryer generally comprises a handle and an air outlet barrel arranged in a direction intersecting with the handle, wherein a heating wire is arranged in the air outlet barrel. The play dryer of common hair-dryer all is provided with the play dryer that the size is great for the heating convenience, and play dryer length is longer for some for the hair-dryer wholly presents "7" style of calligraphy or "T" style of calligraphy.

The hair dryer is not portable as a whole, so that a hair dryer structure which can remarkably reduce the size and ensure the hot air output effect is sought in the prior art, but the hair dryer is also provided with a cylindrical air outlet barrel which is also extended in the direction intersecting with the handle at the top of a hair dryer handle, and the hair dryer obviously has a smaller size through discharging hot air in the cylindrical structure, but the head of the air outlet barrel still has a large size, so that the hair dryer still cannot be separated from the larger size.

In order to further improve portability, there have been proposed hair dryers having a rod or barrel shape, which are already compact and easy to carry, such as CN 112089169A; CN 212117388U; CN 112754131A; CN112189971A provides a bar-shaped or cylindrical hair dryer, in which the air blown from the motor is firstly heated by the heating plate once and then discharged from the side wall of the bar-shaped or cylindrical hair dryer through the guiding device, in order to ensure the heating effect, the heating plate and the heating wire of the hair dryer with this structure are often required to be set at a longer distance, so the length is still longer, and the problems of insufficient heating and uneven heating are easily caused when the air passes through the heating body once.

Disclosure of Invention

This patent is based on the above-mentioned needs of the prior art and the technical problem to be solved by this patent is to provide a heating device for a hand-held hair dryer, so as to provide a better flow path and heating effect for the medium.

In order to solve the above problem, the technical scheme provided by the patent comprises:

a heating device of a handheld hair drier comprises a frame, wherein the frame comprises a first frame body, the first frame body comprises an upper end face, a lower end face, a left side face and a right side face, and a first holding part and a second holding part are respectively arranged on the upper end face and the lower end face; the second frame body extends leftwards from the first frame body, and a third holding part is arranged on the second frame body; the third frame body is arranged on the right side surface of the first frame body and extends rightwards, and a fourth holding part is arranged on the third frame body; a heating wire held in the first, third, second, and fourth holding portions, thereby being wound around the frame body.

Preferably, the first frame body comprises a first plate and a second plate extending in the vertical direction, and the first plate and the second plate are arranged at intervals. Preferably, the second frame body comprises at least two sub-frames, one of which is disposed at the upper end of the first frame body, and the other of which is disposed at the lower end of the first frame body; the third frame body comprises at least two sub-frames, wherein one sub-frame is arranged at the upper end of the first frame body, and the other sub-frame is arranged at the lower end of the first frame body.

Preferably, the first plate and the second plate have a strip shape, a length of which extends in an up-down direction and a thickness of which extends in a left-right direction. Preferably, the first plate and the second plate are provided with through holes penetrating left and right. Preferably, a fourth frame is provided between the first and second plates, the fourth frame connecting the first and second plates to thereby fix the relative position between the first and second plates. Preferably, the fourth frame body comprises at least one plate, and the plate is provided with a hollow part which is communicated up and down; the first frame body and the fourth frame body are made of mica. Preferably, at least one of the first, third, second and fourth retaining portions includes at least one groove opening outwardly. Preferably, the heating wire has a multi-layer structure, and the layers are stacked in the front-rear direction. Preferably, each of the plurality of layers of the heating wire is held in the first, third, second, and fourth holding portions.

The handheld blower comprises a capsule type cavity, wherein an air inlet is formed at the lower part of the capsule type cavity, and an air outlet is formed on the side wall of the capsule type cavity and used for forming vortex; a heating device as described in any of the above, the heating device being disposed in the capsule-type chamber in correspondence with the capsule-type chamber orientation.

This patent adopts above-mentioned technical scheme, through the structure of frame, will the heater strip support open be and with the molding that the vortex intracavity wall shape of hair-dryer capsule is similar mutually has prolonged the distance of heating when not blockking the vortex air supply of medium, has improved the heating effect.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a structural view of a blower in this embodiment;

FIG. 2 is a block diagram of a heating apparatus according to an embodiment of the present patent;

FIG. 3 is a block diagram of a heating device frame according to an embodiment of this patent;

fig. 4 is a top view of a frame of a heating device according to an embodiment of the present patent.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

For the purpose of facilitating understanding of the embodiments of the present application, the following description will be made in terms of specific embodiments with reference to the accompanying drawings, which are not intended to limit the embodiments of the present application.

Referring to fig. 1-4, the present embodiment provides a hand held hair dryer 1. This handheld hair-dryer 1 is whole to be the tube-shape, and its upper end is including the vortex chamber 2 with the capsule shape, the lower part in vortex chamber is provided with the fan, through the fan to the conveying gas of vortex intracavity, seted up the air outlet on the lateral wall in vortex chamber, when the gas that the fan conveyed gets into the vortex chamber, vortex chamber 2 is interior to have great atmospheric pressure and the atmospheric pressure outside the vortex chamber is less, therefore the gas in the vortex chamber has outside exhaust trend, because the capsule structure in vortex chamber, the gaseous vortex of formation through the direction of chamber wall in the cavity then through the air outlet discharge.

The use of the capsule type vortex cavity can significantly reduce the volume of the hair dryer, so that the hair dryer can be formed into a rod shape, and has the function of pressurization, which is beneficial to providing larger air volume. With the structure, if the gas is heated in the vortex cavity, the structure has a substantial significance for substantially reducing the volume of the blower and sending uniform hot air.

However, in such an environment, the vortex chamber needs to use a gas vortex, so that the vortex rotation of the gas is ensured to be interfered as little as possible; the blower needs sufficient heat exchange in the vortex cavity and therefore needs to be provided with sufficient heating wires, more heating wires mean more interference to the vortex; the two have contradiction, especially under the condition that the volume of the vortex cavity is limited, the problem that how to be solved when the vortex cavity can be fully heated and the vortex is formed in the vortex cavity is not influenced exists.

In the present embodiment, a heating device 3 for a hand-held hair dryer is provided, which comprises a frame 4, the frame comprises a first frame body 5, the first frame body comprises an upper end surface 51, a lower end surface 52, a left side surface 53 and a right side surface 54, and a first holding part 55 and a second holding part 56 are respectively arranged on the upper end surface and the lower end surface; the second frame body 6 extends leftwards from the first frame body, and a third holding part 61 is arranged on the second frame body; the third frame body 7 is arranged on the right side surface of the first frame body and extends rightwards, and a fourth holding part 71 is arranged on the third frame body; and a heating wire 8 held in the first, third, second, and fourth holding parts, thereby being wound around the frame body.

In this patent, although a structure of a heating apparatus is shown in the drawings, it should be noted that the structure of the first frame body may not be limited to the shape and structure shown in the drawings, and may be a longitudinally disposed sheet-shaped plate, a longitudinally disposed hollow frame, a cylindrical structure, or a mesh structure, and the first frame body provides a length space along the up-and-down direction of the vortex chamber, and when the heating wire is erected thereon, the distance extending from the heating wire may be extended as much as possible to facilitate heating. For the same reason, in fact, the second frame body and the third frame body are not limited to the illustrated structure in this patent, and may be a frame structure, a tubular structure, a net structure, and a rod structure extending in the left-right direction. The second and third frame bodies provide a width space along the left and right direction of the vortex chamber, and when the heating wire is erected on the second and third frame bodies, the extending width of the heating wire can be elongated as much as possible, so that the heating is facilitated.

Advantageously, when the first frame body, the second frame body and the third frame body are matched, the heating wires wrapped on the outer peripheries of the first frame body, the second frame body and the third frame body are integrally similar to the shape of the inner wall of the capsule type vortex cavity, and when the gas forms a vortex in the vortex cavity, the heating wires also extend along the rotating direction of the gas, so that the heating path is prolonged, and the obstruction to the gas flow is reduced.

Preferably, in the present embodiment, the first frame body includes a first plate 57 and a second plate 58 extending in an up-down direction, and the first plate and the second plate are spaced apart from each other. When the first frame, i.e., the frame along the length direction of the capsule-type vortex chamber, includes two plates at intervals, a curved surface closer to the head of the capsule structure may be formed at the upper end portion of the first frame, which facilitates heating of the head.

In this embodiment, the first and second plates are in the form of elongated plates, the length of which extends in the up-down direction and the thickness of which extends in the left-right direction. That is to say, as shown in the figure, the whole first support body is in a standing state, and the area of the windward side is small, so that the air flow conduction can be facilitated. Furthermore, through holes which are communicated left and right are formed in the first plate and the second plate, so that the left, middle and right spaces separated by the first plate and the second plate in the vortex cavity can be communicated with each other, and gas in the vortex cavity can be heated more uniformly.

Besides, the first plate and the second plate can be used for dividing the capsule-shaped vortex cavity into a left space, a middle space and a right space, and meanwhile, the upper part and the lower part of the frame body can be ventilated, so that five paths of air flow pass through the heating wire, the direction of the air flow in each path is very stable, the air flow in the vortex cavity is prevented from being disordered, and the air outlet quantity during air outlet is kept.

In order to fix the position between the first and second plates, a fourth frame 9 is provided between the first and second plates, which connects the first and second plates to thereby fix the relative position between the first and second plates. The fourth support body includes at least one board 91, the board is provided with fretwork portion 92 that link up from top to bottom, the through-hole promptly, like this the fourth support body can reduce the blockking to wind.

First support body and fourth support body are made by mica, and the mica sheet has insulating and thermal-insulated fire-retardant characteristics, and also fatigue softening after being difficult for receiving heat works as like this twine on the frame behind the heater strip, the frame can conveniently be settled vortex intracavity avoids the damage of high temperature frame construction to vortex chamber wall.

It is further preferred in this embodiment that the second frame body comprises at least two subframes, one 62 being provided at the upper end of the first frame body and the other 63 being provided at the lower end of the first frame body; the third frame body includes at least two sub-frames, one sub-frame 72 disposed at an upper end of the first frame body, and the other sub-frame 73 disposed at a lower end of the first frame body. In this configuration, the heating wire, when wrapped around the frame, can be matched on the sides to the configuration of the capsule-like vortex chamber. The heating and air guiding performance is improved, the strength of the heating wire is weakened because the heating wire is heated after being electrified, and the shape of the heating wire can be well maintained by arranging a plurality of sub frames. As shown in the drawings, in the present embodiment, the second frame body and the third frame body are formed in a plate shape, and grooves with outward openings are formed at outer sides thereof, so that the heating wire is supported by the grooves and is held on the frame, and the holding portion at the end of the first frame body is also formed in a groove with an outward opening, so that the heating wire is also held and supported, and when all the grooves of the frame bodies are open outward, the heating wire is conveniently wrapped and installed and maintained.

Although the retaining part in the form of a groove is shown in the drawings, the patent is not limited to this, and the retaining part may be a groove, a hole, a hook, a clip, or the like, or a combination of these structures.

In this embodiment, the heater strip has a multi-layer structure, and the layers are stacked in the front-rear direction, so that the heater strip is integrally wrapped around the frame body in the front-rear direction, thereby improving the space utilization rate and the heating efficiency. The shape of the heating wire is not limited to the shape of a monofilament, and is not limited to the size of the diameter, and a thick heating wire as shown in the figure or a heating wire in the form of a solenoid may be used. The heating wires can be arranged in each layer separately, and can also be wound on the periphery of the frame body through an integral heating wire to form a multilayer structure.

The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims (10)

1. A heating device for a hand-held hair dryer, comprising

The frame comprises a first frame body, wherein the first frame body comprises an upper end surface, a lower end surface, a left side surface and a right side surface, and a first holding part and a second holding part are respectively arranged on the upper end surface and the lower end surface; the second frame body extends leftwards from the first frame body, and a third holding part is arranged on the second frame body; the third frame body is arranged on the right side surface of the first frame body and extends rightwards, and a fourth holding part is arranged on the third frame body;

a heating wire held in the first, third, second, and fourth holding portions, thereby being wound around the frame body.

2. The heating device of a hand held hair dryer of claim 1,

the first support body comprises a first plate and a second plate which extend in the vertical direction, and the first plate and the second plate are arranged at intervals.

3. A heating unit for a hand held hair dryer according to claim 1, wherein said second frame body comprises at least two sub-frames, one of which is disposed at an upper end of said first frame body and the other of which is disposed at a lower end of said first frame body; the third frame body comprises at least two sub-frames, wherein one sub-frame is arranged at the upper end of the first frame body, and the other sub-frame is arranged at the lower end of the first frame body.

4. A heating unit for a hand-held hair dryer as claimed in claim 2, wherein said first plate and said second plate are in the form of elongated plates having a length extending in the up-down direction and a thickness extending in the left-right direction.

5. The heating device for a hand-held hair dryer of claim 4, wherein said first plate and said second plate are provided with through holes extending through them from left to right.

6. A heating unit as claimed in claim 4, wherein a fourth mount is provided between the first and second plates, the fourth mount connecting the first and second plates thereby fixing the relative position of the first and second plates.

7. The heating device of a hand-held hair dryer of claim 6, wherein the fourth frame body comprises at least one plate, and the plate is provided with a hollow part which penetrates up and down; the first frame body and the fourth frame body are made of mica.

8. Heating means for a hand held hair dryer as claimed in any one of claims 1 to 6, wherein said heating wire is of a multi-layer construction, the layers being arranged one above the other in a front-to-back direction.

9. A heating unit for a hand held hair dryer as claimed in claim 8, wherein each of the plurality of layers of said heating wire is retained in first, third, second and fourth retaining portions.

10. A handheld blower is characterized by comprising a capsule type vortex cavity, wherein an air inlet is formed at the lower part of the capsule type vortex cavity, and an air outlet is formed on the side wall of the capsule type vortex cavity to form a vortex;

a heating device as described in any of claims 1-9 disposed in the capsule-type vortex chamber in alignment with the capsule-type vortex chamber orientation.

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