CN111374428A

CN111374428A - Dryer oscillating hairdryer

Info

Publication number: CN111374428A
Application number: CN202010381316.5A
Authority: CN
Inventors: 王钰莹
Original assignee: Shaoxing Zhiwei Optoelectronics Technology Co ltd
Current assignee: Shaoxing Zhiwei Optoelectronics Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-07-07
Anticipated expiration: 2040-05-08
Also published as: CN111374428B

Abstract

The invention discloses a wind barrel swinging type electric hair drier which comprises a wind barrel and a handheld part, wherein a swinging mechanism is arranged between the wind barrel and the handheld part and comprises a lower positioning plate and an upper positioning plate, a rotating seat is rotatably arranged on the upper positioning plate and fixedly connected with the wind barrel, a guide seat, a swinging motor and a rotating wheel are arranged on the lower positioning plate, a rack is arranged on the guide seat in a penetrating manner, one end of the rack is rotatably connected with one end of a connecting rod, the other end of the connecting rod is rotatably connected with an eccentric position on the side surface of the rotating wheel, the swinging motor drives the rotating wheel to rotate, a first gear is arranged on the rotating seat, and the first gear is meshed with the rack; a shake detection mechanism is arranged in the handheld portion and comprises two conductive terminals, the two conductive terminals are connected with an iron core of the delay relay in series, and a delay switch of the delay relay is connected with the swing motor in series. The electric hair drier can effectively prevent the hair or the scalp from being scalded, is more labor-saving when in use, and can also be used for positioning the electric hair drier by the bracket and then enabling the electric hair drier to automatically shake and blow the hair.

Description

Dryer oscillating hairdryer

Technical Field

The invention belongs to the technical field of electric hair dryers, and particularly relates to an air duct swinging type electric hair dryer.

Background

The electric hair drier is a common small household appliance, and the hair drier is generally used for drying the hair after hair washing. The electric hair drier can find that if hot air is used for blowing towards a place all the time, the hair at the place can be particularly hot, and the hair or the scalp is easy to be damaged, so that the electric hair drier can be continuously shaken when the hot air is used for blowing the hair in daily life, the hair or the scalp is prevented from being damaged, and the air blowing range is enlarged.

When other people blow hair, especially in a barber shop, a barber needs to control the frequency of the shaking, so that hot air is prevented from being concentrated at one position for a long time. The general dryer all is fixed with handheld position, needs the manual control to shake the frequency of rocking of dryer, scalds the person of being blown out easily because of the mistake that the experience is not enough.

Disclosure of Invention

The invention provides the hair dryer with the swing air duct, aiming at the defects of the prior art, the air duct of the hair dryer with the swing air duct is connected with the handheld part through the swing mechanism, the handheld part is provided with the swing detection mechanism, when the swing detection mechanism detects that the air duct does not swing, the swing motor is automatically started to enable the air duct to continuously swing on the handheld part, the hair or scalp is effectively prevented from being scalded, the labor is saved, and the hair dryer can automatically swing to blow hair after being positioned by the support.

In order to solve the technical problem, the invention is solved by the following technical scheme: a swinging type hair drier with an air duct comprises the air duct and a handheld part, wherein a swinging mechanism is arranged between the air duct and the handheld part and comprises a lower positioning plate and an upper positioning plate, a rotating seat is rotatably arranged on the upper positioning plate and fixedly connected with the air duct, a guide seat, a swinging motor and a rotating wheel are arranged on the lower positioning plate, a rack is arranged on the guide seat in a penetrating manner, one end of the rack is rotatably connected with one end of a connecting rod, the other end of the connecting rod is rotatably connected with an eccentric position on the side surface of the rotating wheel, the swinging motor drives the rotating wheel to rotate, a first gear is arranged on the rotating seat and is meshed with the rack; the handheld part is internally provided with a shaking detection mechanism, the shaking detection mechanism comprises a first cross-shaped channel, a conductive sliding block, a reset spring and two conductive terminals, the conductive sliding block is arranged in the first channel in a sliding mode, the reset spring is arranged in the first channel, the two conductive terminals are arranged at the cross position of the first channel, the conductive sliding block is arranged at the cross position of the first channel when being in a balance position and is communicated with the two conductive terminals, the two conductive terminals are connected with an iron core of a delay relay in series, and a delay switch of the delay relay is connected with the swing motor in series. When the hair dryer is used, under the condition that the hair dryer shakes, the conductive sliding block in the shake detection mechanism can horizontally or longitudinally move back and forth in the first channel, the conductive sliding block is discontinuously communicated with the conductive terminal, and under the action of the delay relay, the discontinuous connection circuit can not enable the swing motor to be electrified; and under the condition that the hairdryer stops rocking, the conductive sliding block can reach the equilibrium position, the conductive sliding block is communicated with the conductive terminal, after a period of delay, the delay switch of the delay relay switches on the circuit of the swing motor, the swing motor drives the rotating wheel to rotate, the rotating wheel drives the connecting rod to move, the connecting rod drives the rack to stretch along the guide direction of the guide seat, the rack drives the first gear to move so that the rotating seat swings, and the air duct can continuously swing on the handheld portion. The electric hair drier can effectively prevent the hair or the scalp from being scalded, is more labor-saving when in use, and can also be used for positioning the electric hair drier by the bracket and then enabling the electric hair drier to automatically shake and blow the hair.

In the above technical solution, preferably, a swing switch is arranged on the handheld portion, and the swing switch is connected in series with the swing motor and the delay switch of the delay relay. By adopting the structure, whether the automatic swing function of the air duct is started or not can be conveniently controlled.

In the above technical scheme, preferably, the lower positioning plate and the upper positioning plate are both provided with first through holes for passing through electric wires, and a second through hole for passing through electric wires is arranged at the connecting side of the air duct and the rotating seat. The first through hole and the second through hole are used for passing through wires, so that electric connection is convenient to carry out.

In the above technical solution, preferably, a second gear is disposed on an outer periphery of the rotating wheel, and a third gear is disposed on an output shaft of the swing motor and engaged with the second gear. By adopting the structure, the second gear and the third gear are matched for reducing speed, increasing the rotating force and reducing the swinging speed, and the speed required by swinging can be controlled by the transmission ratio of the second gear and the third gear.

In the above technical scheme, preferably, the shake detection mechanism includes a criss-cross casing, the casing is internally provided with the first channel, the outer end of the first channel is open and provided with an end cover, the first channel is slidably provided with the conductive slider, and the reset spring is arranged between the conductive slider and the end cover. Adopt the detection mechanism that rocks of this kind of structure, electrically conductive slider and reset spring can be convenient pack into first passageway in, and whole equipment is convenient.

In the above technical solution, preferably, a second channel is disposed on both the front side and the rear side of the intersection position of the first channel, the conductive terminal is slidably disposed in the second channel, a pushing spring for pushing the conductive terminal to the conductive slider is disposed in the second channel, and a stop ring is disposed at a communication position between the second channel and the first channel. The conductive terminal is pushed by the abutting spring, so that the conductive slider is ensured to be in contact with the conductive terminal when returning to the initial position, and the conductive terminal can be prevented from entering the first channel by blocking the conductive terminal by the blocking ring.

In the above technical solution, preferably, the conductive terminal is spherical. By adopting the structure, no matter which surface of the conductive terminal faces the conductive sliding block, the distance of extending into the baffle ring can be ensured to be consistent, and the conductive sliding block can be contacted.

In the above technical solution, preferably, the second channel has an opening at an outer end and is provided with an end cover. The structure is adopted to facilitate the installation of the conductive terminal in the second channel and the abutting and pushing spring.

Compared with the prior art, the invention has the following beneficial effects: when the hair dryer is used, under the condition that the hair dryer shakes, the conductive sliding block in the shake detection mechanism can horizontally or longitudinally move back and forth in the first channel, the conductive sliding block is discontinuously communicated with the conductive terminal, and under the action of the delay relay, the discontinuous connection circuit can not enable the swing motor to be electrified; and under the condition that the hairdryer stops rocking, the conductive sliding block can reach the equilibrium position, the conductive sliding block is communicated with the conductive terminal, after a period of delay, the delay switch of the delay relay switches on the circuit of the swing motor, the swing motor drives the rotating wheel to rotate, the rotating wheel drives the connecting rod to move, the connecting rod drives the rack to stretch along the guide direction of the guide seat, the rack drives the first gear to move so that the rotating seat swings, and the air duct can continuously swing on the handheld portion. The electric hair drier can effectively prevent the hair or the scalp from being scalded, is more labor-saving when in use, and can also be used for positioning the electric hair drier by the bracket and then enabling the electric hair drier to automatically shake and blow the hair.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a side view of a swing mechanism in an embodiment of the present invention.

Fig. 3 is a schematic top view of the lower positioning plate according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a shake detection mechanism in an embodiment of the invention.

Fig. 5 is a sectional view taken along line a-a of fig. 4.

Fig. 6 is a sectional view taken along line B-B of fig. 4.

Fig. 7 is a schematic circuit connection diagram of the shake detection mechanism and the swing motor in the embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 7, a dryer swing type hair dryer comprises a dryer 1 and a handheld part 2, a swing mechanism 3 is arranged between the dryer 1 and the handheld part 2, the swing mechanism 3 comprises a lower positioning plate 4 and an upper positioning plate 5, a rotary seat 6 is rotatably arranged on the upper positioning plate 5, a bearing is arranged between the rotary seat 6 and the upper positioning plate 5, the rotary seat 6 is fixedly connected with the dryer 1, the upper positioning plate 5 and the lower positioning plate 6 are fixedly connected with the handheld part 2, a guide seat 7, a swing motor 8 and a rotating wheel 9 are arranged on the lower positioning plate 4, a rack 10 is arranged on the guide seat 7, one end of the rack 10 is rotatably connected with one end of a connecting rod 11, the other end of the connecting rod 11 is rotatably connected with an eccentric position on the side surface of the rotating wheel 9, a second gear 15 is arranged on the periphery of the rotating wheel 9, a third gear 16 is arranged on an output shaft of the swing motor 8, the rotating seat 6 is provided with a first gear 12, and the first gear 12 is meshed with the rack 10.

The lower positioning plate 4 and the upper positioning plate 5 are both provided with first through holes 14 for passing through electric wires, and the connecting side of the air duct 1 and the rotating seat 6 is provided with second through holes for passing through electric wires. The power line passes through the first through hole 14 and the second through hole to be connected with the power utilization device in the air duct 1.

The hand-held part 2 is internally provided with a shake detection mechanism 17 which is fixed by a screw or a clamping groove, the shake detection mechanism 17 comprises a criss-cross shell 18, the shell 18 is made of an insulating material or has an insulating coating on the inner wall, a criss-cross first channel 19 is arranged in the shell 18, the outer end of the first channel 19 is opened and is provided with an end cover 24, the end cover 24 is fixed on the shell 18 by matching a positioning groove and a positioning convex ring, a conductive slider 20 is arranged in the first channel 19 in a sliding manner, reset springs 21 are respectively arranged between the conductive slider 20 and the end cover 24, two conductive terminals 22 at the intersection of the first channel, when the conductive slider 20 is at a balance position, the conductive slider is positioned at the intersection of the first channel 19 and is communicated with the two conductive terminals 22, in the embodiment, the front side and the rear side of the intersection of the first channel 19 are both, the second channel 25 is internally provided with a pushing spring 26 which pushes the conductive terminal 22 to the conductive sliding block 20, a connecting part of the second channel 25 and the first channel 19 is provided with a baffle ring 27, the conductive terminal 22 is spherical, the outer end of the second channel 25 is provided with an opening and an end cover 24, the end cover 24 is also fixed on the shell 18 through a positioning groove and a positioning convex ring in a matching way, after the swing detection mechanism 17 is installed in the handheld part 2, under the condition that the electric hair drier is normally used vertically, the first channel 19 which is crossed in a cross shape is vertical and horizontal, and the electric hair drier can slide to a balance position due to vertical swing or left-right swing of the electric hair drier.

The two conductive terminals 22 are connected in series with the iron core 231 of the delay relay 23, and the delay switch 232 of the delay relay 23 is connected in series with the swing motor 8.

The hand-held part 2 is provided with a swing switch 13 besides the original gear shifting switch, and the swing switch 13 is connected in series with the swing motor 8 and a delay switch 232 of the delay relay 23. The swing switch 13 is used for controlling whether the automatic swing function of the control air duct is started or not.

When the hair dryer is used, under the condition that the hair dryer shakes, the conductive slider 20 in the shake detection mechanism 17 can horizontally or longitudinally move back and forth in the first channel 19, the conductive slider 20 is discontinuously communicated with the conductive terminal 22, and under the action of the delay relay 23, the discontinuous circuit connection cannot enable the swing motor 8 to be electrified; and under the condition that the electric hair drier stops rocking, the conductive sliding block 20 can reach the balance position, the conductive sliding block 20 is communicated with the conductive terminal 22, after a period of time delay, the delay switch 232 of the delay relay 23 switches on the circuit of the swing motor 8, the swing motor 8 drives the rotating wheel 9 to rotate, the rotating wheel 9 drives the connecting rod 11 to move, the connecting rod 11 drives the rack 10 to stretch along the guide direction of the guide seat 7, the rack 10 drives the first gear 12 to move so that the rotating seat 6 swings, and therefore the air duct 1 can continuously swing on the handheld part 2. The electric hair drier can effectively prevent the hair or the scalp from being scalded, is more labor-saving when in use, and can also be used for positioning the electric hair drier by the bracket and then enabling the electric hair drier to automatically shake and blow the hair.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a dryer oscillating hairdryer, includes dryer (1) and handheld portion (2), its characterized in that: a swing mechanism (3) is arranged between the wind tube (1) and the hand-held part (2), the swing mechanism (3) comprises a lower positioning plate (4) and an upper positioning plate (5), the upper positioning plate (5) is rotatably provided with a rotating seat (6), the rotating seat (6) is fixedly connected with the air duct (1), the lower positioning plate (4) is provided with a guide seat (7), a swing motor (8) and a rotating wheel (9), a rack (10) is arranged on the guide seat (7) in a penetrating way, one end of the rack (10) is rotationally connected with one end of a connecting rod (11), the other end of the connecting rod (11) is rotationally connected with the eccentric position of the side surface of the rotating wheel (9), the swing motor (8) drives the rotating wheel (9) to rotate, a first gear (12) is arranged on the rotating seat (6), and the first gear (12) is meshed with the rack (10); be provided with in handheld portion (2) and rock detection mechanism (17), rock detection mechanism (17) including criss-cross first passageway (19), slide set up in electrically conductive slider (20) in first passageway (19), be located reset spring (21) in first passageway (19) and be located two conductive terminal (22) of first passageway cross, be located when electrically conductive slider (20) are in balanced position first passageway (19) cross and with two conductive terminal (22) intercommunication, two conductive terminal (22) are established ties with iron core (231) of delay relay (23), delay switch (232) of delay relay (23) with swing motor (8) are established ties.

2. The dryer oscillating hairdryer of claim 1, characterized by that: the handheld part (2) is provided with a swing switch (13), and the swing switch (13) is connected with the swing motor (8) and a delay switch (232) of the delay relay (23) in series.

3. The dryer oscillating hairdryer of claim 1, characterized by that: the lower positioning plate (4) and the upper positioning plate (5) are provided with first through holes (14) for passing electric wires, and the connecting side of the air duct (1) and the rotating seat (6) is provided with second through holes for passing the electric wires.

4. The dryer oscillating hairdryer of claim 1, characterized by that: the periphery of the rotating wheel (9) is provided with a second gear (15), an output shaft of the swing motor (8) is provided with a third gear (16), and the third gear (16) is meshed with the second gear (15).

5. The dryer oscillating hairdryer of claim 1, characterized by that: the shaking detection mechanism (17) comprises a crossed shell (18), a first channel (19) is arranged in the shell (18), an end cover (24) is arranged at the outer end of the first channel (19), the conductive sliding block (20) is arranged in the first channel (19) in a sliding mode, and the reset spring (21) is arranged between the conductive sliding block (20) and the end cover (24).

6. The dryer oscillating hairdryer of claim 5, characterized by that: the front side and the rear side of the crossing position of the first channel (19) are respectively provided with a second channel (25), the conductive terminals (22) are arranged in the second channels (25) in a sliding mode, a pushing spring (26) for pushing the conductive terminals (22) to the conductive sliding block (20) is arranged in the second channels (25), and a blocking ring (27) is arranged at the communication position of the second channels (25) and the first channel (19).

7. The dryer oscillating hairdryer of claim 6, characterized by that: the conductive terminals (22) are spherical.

8. The dryer oscillating hairdryer of claim 6, characterized by that: the outer end of the second channel (25) is open and is provided with an end cover (24).