CN212394161U - Hair drier - Google Patents

Abstract

The utility model discloses a hair drier, which comprises a body, a heating wire frame positioned in the body, a motor mechanism and a driving circuit, the rear end and the front end of the body are respectively provided with a first air inlet and an air outlet, a first air guide pipe is sleeved in the heating wire frame, the top or the side wall of the body is provided with at least one second air inlet communicated with the first air guide pipe, the motor mechanism comprises a motor support cylinder positioned at the rear end part in the body and a motor arranged in the motor support cylinder, the end of the first air guide pipe is connected with the wall of the motor support cylinder, the driving circuit is connected with the motor, the driving motor works to enable air to enter the body from the first air inlet and the second air inlet, and the airflow entering from the first air inlet passes through the motor mechanism and the heating wire frame and then is blown out from the air outlet which is positioned on the same straight line with the first air inlet, and the airflow entering from the second air inlet enters the first air guide pipe and then is blown out from the front end of the first air guide pipe.

Description

Hair drier

Technical Field

The utility model relates to a hairdressing device technical field, more specifically relate to a hair-dryer.

Background

With the increasing demand for hair care, various hair styling tools have been developed, such as hair dryers, which are used by people in daily life, and have different styling functions according to the hair style, hair quality and requirements of each person.

In order to solve the defect that air enters the hair drier shell from the tail of a handle, the wind direction is converted into the direction vertical to the handle through the motor, a steering baffle plate and the like, and then is exhausted from an air outlet at the front end of the shell after passing through the heating component, the hair drier body is hollow, extra fluid can be brought, the output is enhanced, the assembly is complex, the air inlet is arranged below the handle, a palm of a user can block the air inlet when holding the hair drier by hand, the functional devices of the hair drier are influenced, and the fluid is sucked and then is exhausted to the heating component after being turned at a right angle of 90 degrees, the circuitous path, the air flow is easily lost, the size of the handle is limited by the size of the motor, the size of the handle is large, and the weight and production cost of the hair dryer are increased.

In view of the above, it is desirable to provide a blower with a simple structure and an increased output of air volume to solve the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a hair drier that the structure is comparatively simple and can increase the output of the amount of wind is provided.

In order to solve the above technical problems, the present invention provides a hair dryer, which comprises a body, a heating wire rack located in the body, a motor mechanism and a driving circuit, wherein the rear end and the front end of the body are respectively provided with a first air inlet and an air outlet, the heating wire rack is internally sleeved with a first air duct, the top or the side wall of the body is provided with at least one second air inlet communicated with the first air duct, the motor mechanism comprises a motor support tube located at the rear end part in the body and a motor installed in the motor support tube, the end of the first air duct is connected to the wall of the motor support tube, the driving circuit is connected with the motor to drive the motor to work, so that air enters the body from the first air inlet and the second air inlet, and the air flow entering from the first air inlet is blown out from the air outlet located on the same straight line with the first air inlet after passing through the motor mechanism and the heating wire, and the airflow entering from the second air inlet enters the first air guide pipe and is blown out from the front end of the first air guide pipe.

The further technical scheme is as follows: the motor is characterized in that the body is also internally provided with a second air duct which is sleeved on the heating wire rack, and when the motor works, air entering from the first air inlet enters the second air duct through the motor mechanism and then is blown out from the air outlet through the heating wire rack.

The further technical scheme is as follows: the air outlet end of the second air guide pipe is in a sawtooth shape.

The further technical scheme is as follows: the first air guide pipe comprises a first cylinder and an air guide body which is formed by extending upwards from the tail end of the first cylinder in an inclined mode and communicated with the first cylinder, the air guide body is recessed downwards to form an air gathering groove, the second air inlet is arranged on the side wall or the top of the body corresponding to the air gathering groove, and the tail end of the air guide body is connected to the wall of the motor support cylinder.

The further technical scheme is as follows: the first air guide pipe further comprises a second cylinder formed by bending the tail end of the first cylinder upwards, and the air guide body extends outwards from the second cylinder.

The further technical scheme is as follows: and an arc-shaped air receiving plate is formed at one end of the air guide body connected with the second cylinder.

The further technical scheme is as follows: the body includes casing and the handle of being connected with the casing, the casing includes the procapsid, assembles back casing and connection piece on the procapsid, the connection piece is located between procapsid and the back casing and the back tip exposes, the second air intake set up in on the connection piece, air outlet and first air intake set up respectively in procapsid front end and back casing end, the handle includes first casing and the second casing of tip connection under part respectively with procapsid and back casing, second casing detachably joint is on first casing.

The further technical scheme is as follows: the blower is provided with a plurality of second air inlets, and the second air inlets are distributed in a divergent manner by taking the middle part of the top surface of the connecting sheet as a center.

The further technical scheme is as follows: the handle is internally provided with a control circuit, the control circuit is connected with a driving circuit, a plurality of sliding switches are arranged on a first shell of the handle, and each sliding switch is connected with the control circuit.

The further technical scheme is as follows: the first shell is provided with a key switch, and the key switch is connected with the control circuit.

Compared with the prior art, the utility model discloses in hair-dryer heating wire frame endotheca be equipped with first guide duct, and body top or lateral wall be provided with the second air intake that communicates with first guide duct, and hair-dryer during operation, the motor rotates, thereby make the air get into in the body from first air intake, blow off by the air outlet that is located the same straight line with first air intake after motor mechanism, heating wire frame, because the speed can increase and can reduce partial pressure when the air current that gets into by first air intake blows off, then can form the low-pressure region at first guide duct front end, then air gets into from the second air intake that communicates with first guide duct, blow off through first guide duct, can know, in the utility model discloses can bring extra fluid through first guide duct and second air intake, can increase the amount of wind output during hair-dryer operation, simple structure, and the motor is the same with traditional hair-dryer, be located this internal back end portion, the design of handle can be lighter and more handy in the hair-dryer body to make the whole comparatively simple and light of hair-dryer, experience in order to improve the user.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a hair dryer of the present invention.

Figure 2 is a schematic view of the hair dryer of the present invention with the body removed.

Figure 3 is a schematic view of the blower of the present invention with the body removed.

Figure 4 is a schematic front view of the blower of figure 1.

Figure 5 is a schematic cross-sectional view of the blower of figure 1.

Fig. 6 is a schematic view of the air-out state of the hair dryer of the present invention during operation.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 6, fig. 1 to 6 show an embodiment of a hair dryer 1 of the present invention. In the embodiment shown in the drawings, the hair dryer 1 includes a body 10, a heating wire rack 20 located in the body, a motor mechanism 30 and a driving circuit, the body 10 is provided with a first air inlet 103 and an air outlet 104 at the rear end and the front end respectively, a first air duct 50 is sleeved in the heating wire rack 20, at least one second air inlet 40 communicated with the first air duct 50 is arranged on the top or the side wall of the body 10, the motor mechanism 30 includes a motor support 301 located at the rear end of the body 10 and a motor 302, the motor support 301 is assembled by two half cylinders 3011, the motor 302 is located in a space formed by assembling the two half cylinders 3011, the end of the first air duct 50 is connected to the cylinder wall of the motor support 301, the driving circuit is connected to the motor 302 to drive the motor 302 to work, so that air enters the body from the first air inlet 103 and the second air inlet 40, and the airflow entering from the first air inlet 103 is blown out from the air outlet 104 which is positioned in the same straight line with the first air inlet 103 after passing through the motor mechanism 30 and the heating wire frame 20, and the airflow entering from the second air inlet 40 enters the first air guiding pipe 50 and is blown out from the front end thereof. Understandably, the utility model discloses an in hair-dryer 1, be formed with the wind-guiding passageway that supplies the air current circulation between first air intake 103, motor mechanism 30, heating wire frame 20 and the air outlet 104, hair-dryer 1 during operation, the air is blown out by air outlet 104 after the wind-guiding passageway by the entering of first air intake 103 that sets up tip behind body 10.

Based on the above design, when the hair dryer 1 works, the motor 302 rotates, so that the air enters the body 10 from the first air inlet 103, and is blown out from the air outlet 104 which is located on the same straight line with the first air inlet 103 after passing through the motor mechanism 30 and the heating wire rack 20, because the speed of the air flow entering from the first air inlet 103 is increased and part of the pressure is reduced, a low-pressure area is formed at the front end of the first air duct 50, so that the air enters from the second air inlet 40 which is communicated with the first air duct 50 and is blown out through the first air duct 50, it can be known that extra fluid can be brought through the first air duct 50 and the second air inlet 40 in the hair dryer 1 of the present invention, the air output can be increased when the hair dryer 1 works, the structure is simple, and the motor 302 is located at the rear end part in the body 10 as in the conventional hair dryer 1, so that the design of the handle in the hair, therefore, the whole hair drier 1 is simple and light, and the use experience of a user is improved.

In the embodiment shown in the drawings, the first air guiding duct 50 includes a first barrel 501 and an air guiding body 503 extending from the end of the first barrel 501 obliquely upward and communicating with the first barrel, the air guiding body 503 is recessed downward to form an air collecting groove 5031, the second air inlet 40 is disposed on the side wall or the top of the main body 10 corresponding to the air collecting groove 5031, and the end of the air guiding body 503 is connected to the barrel wall of the motor support barrel 301. In this embodiment, the first air guiding duct 50 further includes a second cylinder 502 formed by bending the end of the first cylinder 501 upwards, the air guiding body 503 is formed by extending the second cylinder 502 outwards, and an air receiving plate 5033 is formed at the end of the air guiding body 503 connected to the second cylinder 502 to guide the air entering from the second air inlet 40 into the air collecting groove 5031 and blow the air out through the first air guiding duct 50, preferably, the air receiving plate 5033 is arc-shaped, which is more favorable for guiding the air entering from the second air inlet 40 into the air collecting groove 5031. Understandably, the downwardly concave wind-collecting groove 5031 also facilitates the collection of air entering from the second wind inlet 40.

With continued reference to fig. 2 and 3, in some embodiments, the main body 10 further includes a second air guiding duct 60 sleeved on the heating wire rack 20, when the motor 302 works, the air entering from the first air inlet 103 enters the second air guiding duct 60 through the motor mechanism 30, and then flows out from the heating wire rack 20 through the air outlet 104, and preferably, the air outlet end of the second air guiding duct 60 is zigzag. Based on the design, the air outlet end of the second air guide pipe 60 is in a zigzag shape, so that air entrained by the outer wall of the second air guide pipe can be further mixed with air entering from the first air inlet 103 at the air outlet end, and the second air guide pipe has the effects of noise reduction and heat insulation.

Further, in this embodiment, the inner diameter of the second air guiding pipe 60 gradually decreases from the back to the front, so that the air outlet end of the hair dryer 1 is narrowed, and the air entering from the first air inlet 103 can be ejected more quickly.

With continued reference to fig. 1, 3 to 6, the body 10 includes a housing 101 and a handle 102 connected to the housing 101, the housing 101 includes a front housing 1011, a rear housing 1012 assembled on the front housing 1011, and a connecting sheet 1013, the connecting sheet 1013 is located between the front housing 1011 and the rear housing 1012 and the rear end portion of the connecting sheet is exposed, the second air inlet 40 is disposed on the connecting sheet 1013, as shown in fig. 3, the hair dryer 1 of the present embodiment is provided with a plurality of second air inlets 40, and the plurality of second air inlets 40 are distributed in a divergent manner with the middle of the top surface of the connecting sheet 1013 as a center; the air outlet 104 and the first air inlet 103 are respectively disposed at the front end of the front housing 1011 and the end of the rear housing 1012, the motor 302 is located at the rear end of the rear housing 1012, the handle 102 includes a first housing 1021 and a second housing 1022 respectively connected to the lower ends of the front housing 1011 and the rear housing 1012, and the second housing 1022 is detachably connected to the first housing 1021 in a clamping manner. In this embodiment, the front housing 1011 and the first housing 1021 and the rear housing 1012 and the second housing 1022 are all of a unitary structure, but in some other embodiments, the first housing 1021 and the front housing 1011, the second housing 1022 and the rear housing 1012 may also be detachably assembled together by a snap-fit manner, or may be mounted together by screws.

In some embodiments, a power cord 2 is connected to the lower end of the handle 102, power is supplied to the hair dryer 1 through the power cord 2, a plug connected to a power supply device such as a main power supply is disposed at the other end of the power cord 2, a control circuit is disposed in the handle 102, a circuit board 3 is fixed in the body 10, a bottom surface of a middle portion of the wind collecting groove 5031 of the wind guide body 503 is upwardly recessed, an upper end portion of the circuit board 3 is disposed in a recess recessed upwardly from a bottom surface of the wind collecting groove 5031, the driving circuit and the control circuit are disposed on the circuit board 3, a plurality of sliding switches 90 are disposed on a first housing 1021 of the handle 102, each sliding switch 90 is connected to the control circuit, and further, a key switch 80 is disposed on the first housing 1021, and the key switch 80 is connected to the control circuit. It should be understood that two sliding switches 90 are provided in the present embodiment to respectively push the gear adjustment for controlling the temperature and the wind speed, and the button switch 80 is used to control the switching of the cool wind, that is, the blower 1 blows the cool wind when the button switch 80 is pressed, and the blower 1 blows the warm wind when the button switch 80 is released, and the driving circuit is connected to the control circuit to adjust the rotation of the motor 302 after the user presses the wind speed adjusting sliding switch 90.

In some embodiments, an air net 105 may be further disposed at a position of the blower 1 corresponding to the first air inlet 103 to filter impurities with larger particles, so as to prevent the first air inlet 103 from being blocked.

Understandably, when the hair dryer 1 works, air enters the main body 10 from the first air inlet 103, and is blown out from the air outlet 104 which is located on the same straight line with the first air inlet 103 through the motor mechanism 30 and the heat-generating wire frame 20, because the speed of the air flow entering from the first air inlet 103 is increased and part of the pressure is reduced when the air flow is blown out, a low-pressure area is formed at the front end of the first air guiding pipe 50, and the front end of the first air guiding pipe 50 is lower than the rear end of the first air guiding pipe 50, and based on the bernoulli law, the fluid tends to move from the high-pressure area to the low-pressure area, so that the air with higher pressure at the rear of the first air guiding pipe 50 can be driven to flow in and flow to the low-pressure area at the front end of the first air guiding pipe 50, i.e. the air enters from the second air inlet 40 which is communicated with the first air guiding pipe 50 and is blown out through the first air guiding, the air output of the blower 1 can be increased without using a motor 302 with stronger power; in addition, the fluid around the outer wall of the second air guiding pipe 60 also flows to the air outlet end of the hair dryer 1, and is mixed with the air entering from the first air inlet 103 through the zigzag air outlet end of the second air guiding pipe 60, so that the output can be further increased, meanwhile, the noise can be reduced and the heat can be insulated, and the air is sucked into the body 10 and does not need to be blown out after turning 90 degrees, thereby reducing the energy loss.

The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a hair drier, includes the body, is located this internal heating wire frame, motor mechanism and drive circuit, first air intake and air outlet, its characterized in that have been seted up respectively to body rear end and front end: the heating wire rack is internally sleeved with a first air guide pipe, the top or the side wall of the body is provided with at least one second air inlet communicated with the first air guide pipe, the motor mechanism comprises a motor support cylinder positioned at the rear end part in the body and a motor arranged in the motor support cylinder, the tail end of the first air guide pipe is connected to the wall of the motor support cylinder, the driving circuit is connected with the motor to drive the motor to work, so that air enters the body from the first air inlet and the second air inlet, airflow entering from the first air inlet is blown out from an air outlet positioned in the same straight line with the first air inlet after passing through the motor mechanism and the heating wire rack, and airflow entering from the second air inlet is blown out from the front end of the first air guide pipe after entering from the second air inlet.

2. The hair dryer of claim 1, wherein: the motor is characterized in that the body is also internally provided with a second air duct which is sleeved on the heating wire rack, and when the motor works, air entering from the first air inlet enters the second air duct through the motor mechanism and then is blown out from the air outlet through the heating wire rack.

3. The hair dryer of claim 2, wherein: the air outlet end of the second air guide pipe is in a sawtooth shape.

4. The hair dryer of claim 1, wherein: the first air guide pipe comprises a first cylinder and an air guide body which is formed by extending upwards from the tail end of the first cylinder in an inclined mode and communicated with the first cylinder, the air guide body is recessed downwards to form an air gathering groove, the second air inlet is arranged on the side wall or the top of the body corresponding to the air gathering groove, and the tail end of the air guide body is connected to the wall of the motor support cylinder.

5. The hair dryer of claim 4, wherein: the first air guide pipe further comprises a second cylinder formed by bending the tail end of the first cylinder upwards, and the air guide body extends outwards from the second cylinder.

6. The hair dryer of claim 5, wherein: and an arc-shaped air receiving plate is formed at one end of the air guide body connected with the second cylinder.

7. The hair dryer of claim 1, wherein: the body includes casing and the handle of being connected with the casing, the casing includes the procapsid, assembles back casing and connection piece on the procapsid, the connection piece is located between procapsid and the back casing and the back tip exposes, the second air intake set up in on the connection piece, air outlet and first air intake set up respectively in procapsid front end and back casing end, the handle includes first casing and the second casing of tip connection under part respectively with procapsid and back casing, second casing detachably joint is on first casing.

8. The hair dryer of claim 7, wherein: the blower is provided with a plurality of second air inlets, and the second air inlets are distributed in a divergent manner by taking the middle part of the top surface of the connecting sheet as a center.

9. The hair dryer of claim 7, wherein: the handle is internally provided with a control circuit, the control circuit is connected with a driving circuit, a plurality of sliding switches are arranged on a first shell of the handle, and each sliding switch is connected with the control circuit.

10. The hair dryer of claim 9, wherein: the first shell is provided with a key switch, and the key switch is connected with the control circuit.

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