JP3236987U - Hair dryer heat dissipation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat dissipation structure of a hair dryer which effectively reduces the temperature of a handle case, solves the problem of overheating, is highly practical, and meets the needs of a user. SOLUTION: The housing 10 includes a handle assembly 30 connected to a hair dryer main body 20, a motor assembly 21 is provided at the rear end of the hair dryer main body, and a ventilation hole is provided at the lower end of an air passage 22 provided at the front end. Further, an intake duct 24 is connected to the ventilation hole, the lower end of the intake duct extends into the handle assembly, and the handle assembly includes a handle case 31 connected to a housing and a handle portion 32, and the handle portion includes the handle portion 32. At the lower end, a heat dissipation port 321 corresponding to the intake duct is provided. A part of the wind blown from the motor assembly is diverted into the handle assembly through the ventilation holes and the intake duct, dissipates the heat inside, and is blown out through the heat dissipation port. [Selection diagram] Fig. 1

Description

This utility model relates to the technical field of heat dissipation of a hair dryer, and more specifically to a heat dissipation structure of a hair dryer.

Hair dryers are small household appliances that are frequently used in daily life, and are mainly used for hair drying and shaping. However, with the demand for miniaturization, the PCB substrate in the hair dryer is used. The problem is that there is not enough space to install it, it is difficult to dissipate heat, and as a result, the temperature of the power element becomes excessively high, heat is transferred to the housing, the user feels overheated during use, and even the hands feel burned. Occurs.

The purpose of this utility model is to eliminate defects in the prior art and provide a heat dissipation structure for a hair dryer.

In order to achieve the above objectives, this utility model adopts the following technical solutions.

A heat dissipation structure for a hair dryer, including a housing, a hair dryer body connected to the housing, a hair dryer body and a handle assembly connected to the housing, and a motor assembly at the rear end of the hair dryer body. Provided, an air passage is provided at the front end of the motor assembly, a vent is provided at the lower end of the air passage, an intake duct is further connected to the vent, and the lower end of the intake duct extends into the handle assembly. The handle assembly includes a handle case connected to the housing and a handle portion connected to the hair dryer main body, and a heat dissipation port corresponding to the intake duct is provided at the lower end of the handle portion. Be done.

As a further technical solution of the utility model, the handle portion has a PCB substrate whose upper end is connected to the hair dryer main body, a bottom case connected to the lower end of the PCB substrate, and an upper end passing through the bottom case. The heat dissipation port is provided in the bottom case, including a power line connected to the PCB board.

As a further technical solution of the utility model, the heat dissipation port is annular.

As a further technical solution of the utility model, the power line is fitted to the bottom case.

As a further technical solution of the utility model, a plurality of power elements are provided on the PCB substrate.

As a further technical solution of the utility model, the handle case includes a left handle case and a right handle case connected to the PCB board, respectively.

As a further technical solution of the utility model, the left handle case and the right handle case are connected by screws.

As a further technical solution of the utility model, the handle case is attached to the housing.

As a further technical solution of the utility model, the intake duct is L-shaped.

As a further technical solution of the utility model, the intake duct is sleeve-connected to the vent.

This utility model has the following beneficial effects as compared with the prior art. The hair dryer body is connected to the housing, the handle assembly is connected to the hair dryer body and housing, the motor assembly is provided at the rear end of the hair dryer body, the air passage is provided at the front end of the motor assembly, and at the lower end of the air passage. Vents are provided, additional intake ducts are connected to the ventilation holes, the lower end of the intake duct extends into the handle assembly, and the handle assembly has a handle case connected to the housing and a handle connected to the dryer body. At the lower end of the handle, including the portion, a heat dissipation port corresponding to the intake duct is provided, whereby a part of the air blown from the motor assembly is passed through the ventilation hole and the intake duct into the handle assembly. Dividing, radiating the inside of the handle assembly to lower the temperature, and blowing air through the radiating port, which effectively reduces the temperature of the handle case, causing the user to overheat and even overheat during use. It solves the problem of burning hands and improves the experience of use, is highly practical, and can better meet the needs of users.

The utility model will be further described below with reference to the drawings and specific examples.

In order to more clearly explain the technical solution means of the embodiment of the utility model, the drawings used for the description of the embodiment will be briefly described below. Of course, the drawings described below are some embodiments of the utility model, and one of ordinary skill in the art can conceive other drawings based on these drawings without any creative effort.
It is a schematic diagram of the heat dissipation structure of the hair dryer which concerns on this utility model. It is a block diagram of the hair dryer main body which concerns on this utility model.

In order to clarify the purpose, technical solution and advantages of the utility model, the utility model will be described in more detail below with reference to the drawings and specific embodiments.

The technical solutions of the examples of the utility model will be clearly and completely explained below with reference to the drawings of the examples of the utility model, and of course, the examples described are simply the implementation of the utility model. It is only a part of the example, not all the examples. All other examples obtained by those skilled in the art based on the examples of the Utility Model without any creative effort belong to the scope of protection of the Utility Model.

In the description of this practical proposal, the terms "center", "vertical", "horizontal", "length", "width", "thickness", "top", and "bottom" should be understood. , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise" The orientation or positional relationship indicated by ", etc." is based on the drawings, and is merely for the purpose of easily explaining and simplifying the description of this practical proposal, and the described device or element always has a specific orientation. It should not be understood to limit this Practical New Plan, as it does not express or imply that it will be configured or manipulated in any particular orientation.

Also, the terms "first" and "second" are for illustration purposes only and may indicate or imply relative importance or imply the quantity of technical features to be explained. Don't understand. Therefore, the features limited to "first" and "second" express or imply that they include one or more of the features. In the description of this utility model, "plurality" means two or more, unless explicitly and specifically limited.

In this utility model, the terms "attachment", "connection", "connection", "fixing", etc. should be understood in a broad sense, unless explicitly specified or limited, for example, connection, detachable connection, or It may be an integrated connection, a mechanical connection or an electrical connection, a direct connection, an indirect connection via an intermediate medium, a communication inside the two elements, or an interaction relationship between the two elements. There may be. Those skilled in the art can understand the specific meanings of the above terms in this utility model depending on the specific situation.

In this utility model, unless explicitly specified or limited, the fact that the first feature is "above" or "below" the second feature may include the case where the first and second features come into direct contact with each other. , The case where the first and second features do not come into direct contact but come into contact via another feature between them may be included. Further, the fact that the first feature is "above", "above", and "upper" of the second feature includes the case where the first feature is directly above and diagonally above the second feature, or simply the first. It means that the horizontal height of one feature is higher than that of the second feature. The fact that the first feature is "below", "below" or "below" the second feature includes the case where the first feature is directly below and diagonally below the second feature, or simply the first feature. Means that the horizontal height of is smaller than the second feature.

In the description of the present specification, the description with reference to the terms "one example", "some examples", "examples", "specific examples", "some examples", etc. It means that the specific features, structures, materials or features described on the basis of the examples are included in at least one embodiment or example of the Utility Model. In the present specification, it should not be understood that the exemplary description of the above terms is always for the same embodiment or example. In addition, the specific features, structures, materials or features described may be combined in any one or more embodiments or examples in an appropriate manner. Also, one of ordinary skill in the art can combine and combine the various examples or examples described herein.

As shown in the specific embodiments shown in FIGS. 1 and 2, the present practical novel discloses a heat dissipation structure of a hair dryer, the housing 10, the hair dryer main body 20 connected to the housing 10, and the hair dryer main body. A motor assembly 21 is provided at the rear end of the hair dryer main body 20, an air passage 22 is provided at the front end of the motor assembly 21, and the air passage 22 includes a handle assembly 30 connected to the housing 10. A ventilation hole 23 is provided at the lower end, an intake duct 24 is further connected to the ventilation hole 23, the lower end of the intake duct 24 extends into the handle assembly 30, and the handle assembly 30 is connected to the housing 10. The handle case 31 is included, and the handle portion 32 connected to the hair dryer main body 20 is included, and a heat radiation port 321 corresponding to the intake duct 24 is provided at the lower end of the handle portion 32.

As shown in FIG. 1, the handle portion 32 includes a PCB board 322 whose upper end is connected to the hair dryer main body 20, a bottom case 323 whose upper end is connected to the lower end of the PCB board 322, and a bottom case 323 whose upper end is connected to the bottom case 323. The heat radiation port 321 is provided in the bottom case 323, including a power supply line 324 that passes through and connects to the PCB board 322, whereby the structure is compact, space can be saved, and heat can be easily dissipated.

In this embodiment, the heat radiating port 321 is annular, and the heat radiating efficiency is high and the speed is high. In another embodiment, the heat radiating port 321 may have another shape in order to accommodate different application scenes.

The power line 324 is fitted to the bottom case 323, and the connection is firm and easy to attach / detach, and the production cost is low.

In this embodiment, a plurality of power elements 3221 are provided on the PCB substrate 322, which saves space and facilitates heat dissipation.

As shown in FIG. 1, the handle case 31 includes a left handle case 311 and a right handle case 312 connected to the PCB board 322, respectively, and plays a role of fixing, protecting, and improving strength.

The left handle case 311 and the right handle case 312 are connected by screws, and the connection is firm and easy to attach and detach.

The hair dryer main body 20 and the housing 10 are connected by screws, and the connection is firm and easy to attach and detach.

The handle case 31 is attached to the housing 10, and the connection is firm and the sealing property is high.

In this embodiment, the intake duct 24 has an L-shape, is easy to install, saves space, and has high strength.

The intake duct 24 is sleeve-connected to the ventilation hole 23, and the connection is firm, difficult to fall off, and easy to install.

According to this practical proposal, a part of the wind blown from the motor assembly is diverted into the handle assembly through the ventilation holes and the intake duct, and the inside of the handle assembly is dissipated to lower the temperature, and the wind dissipates. It is blown through the mouth, which effectively reduces the temperature of the handle case, solves the problem that the user feels overheated during use and even burns his hands, and improves the usage experience. It is highly practical and can better meet the needs of users.

As described above, the technical contents of the utility model have been further explained in a mere example so that the reader can easily understand, but the embodiment of the utility model is not limited to this, and is based on the utility model. All technical derivations and re-creations are protected by this utility model. The scope of protection of this utility model is based on the scope of claims for utility model registration.

Claims (10)

A housing, a hair dryer body connected to the housing, a hair dryer body and a handle assembly connected to the housing, a motor assembly provided at the rear end of the hair dryer body and at the front end of the motor assembly. An air passage is provided, a vent is provided at the lower end of the air passage, an intake duct is further connected to the vent, the lower end of the intake duct extends into the handle assembly, and the handle assembly is the handle assembly. A hair dryer including a handle case connected to a housing and a handle portion connected to the hair dryer main body, and a heat dissipation port corresponding to the intake duct is provided at the lower end of the handle portion. Heat dissipation structure. The handle portion includes a PCB board whose upper end is connected to the hair dryer main body, a bottom case connected to the lower end of the PCB board, and a power supply line whose upper end is connected to the PCB board through the bottom case. The heat dissipation structure of the hair dryer according to claim 1, wherein the heat dissipation port is provided in the bottom case. The heat dissipation structure of the hair dryer according to claim 2, wherein the heat dissipation port is annular. The heat dissipation structure of the hair dryer according to claim 2, wherein the power line is fitted to the bottom case. The heat dissipation structure of the hair dryer according to claim 2, wherein a plurality of power elements are provided on the PCB substrate. The heat dissipation structure of the hair dryer according to claim 2, wherein the handle case includes a left handle case and a right handle case connected to the PCB substrate, respectively. The heat dissipation structure of the hair dryer according to claim 6, wherein the left handle case and the right handle case are connected by a screw. The heat dissipation structure of the hair dryer according to claim 1, wherein the handle case is attached to the housing. The heat dissipation structure of the hair dryer according to claim 1, wherein the intake duct is L-shaped. The heat dissipation structure of the hair dryer according to claim 1, wherein the intake duct is sleeve-connected to the ventilation holes.

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