CN111696798A - Combined switch for hair drier - Google Patents

Combined switch for hair drier Download PDF

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Publication number
CN111696798A
CN111696798A CN202010630707.6A CN202010630707A CN111696798A CN 111696798 A CN111696798 A CN 111696798A CN 202010630707 A CN202010630707 A CN 202010630707A CN 111696798 A CN111696798 A CN 111696798A
Authority
CN
China
Prior art keywords
switch
key
board
key combination
keys
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010630707.6A
Other languages
Chinese (zh)
Inventor
叶军忠
刘玉军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Best fire technology (Hangzhou) Co.,Ltd.
Original Assignee
Hangzhou Shuangtuli Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Shuangtuli Technology Co ltd filed Critical Hangzhou Shuangtuli Technology Co ltd
Priority to CN202010630707.6A priority Critical patent/CN111696798A/en
Publication of CN111696798A publication Critical patent/CN111696798A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts

Abstract

The invention discloses a combined switch for a hair drier, which comprises a switch base, a key combination board and a switch cover board, wherein a plurality of grooves and a slideway are arranged in the switch base; the key combination board is attached to the upper end face of the switch base, and a plurality of keys connected through elastic sheets are arranged on the key combination board; the key combination board is also provided with a long slot hole, a sliding key is arranged in the long slot hole, the key is matched with the switch control board in the groove to work, and the sliding key can move along the slideway after being connected with the switch control board in the slideway; the switch cover plate is fixed with the switch base and the key combination plate into a whole, and the switch cover plate is provided with mounting holes for accommodating keys and sliding keys. According to the invention, the plurality of keys are integrated on the key combination board, and the switch base, the key combination board and the switch cover board are fixed into a whole, so that the installation difficulty of the whole hair dryer is reduced.

Description

Combined switch for hair drier
Technical Field
The invention belongs to the technical field of hair drying devices, and particularly relates to a combined switch for a hair drier.
Background
The hair drier generally comprises an air duct and a handle, wherein a heating wire assembly is arranged in the air duct, and a motor with fan blades is arranged in the air duct or the handle. When the fan is used, the motor drives the rotor to drive the fan blades to rotate, when the fan blades rotate, air is sucked from the air inlet, and centrifugal airflow formed by the air inlet is blown out from the front end of the air duct. When air passes through, if the heating wires arranged in the air duct are electrified and heated, hot air is blown out of the front end of the air duct; if the heating wire is not electrified to heat, cold air is blown out.
The handle of the hair dryer is usually provided with a plurality of keys, including a power supply key, a key for controlling air volume, a key for controlling temperature and the like. These buttons are all independent each other, install alone on the handle, when the hair-dryer assembly, still need spend a large amount of time to install individual independent button, increase installation time, reduce assembly efficiency.
Disclosure of Invention
The invention aims to provide a combined switch for a hair drier, which can reduce the installation difficulty of a key and can be assembled quickly.
Therefore, the technical scheme of the invention is as follows: a combination switch for a hair dryer, characterized in that: the switch comprises a switch base, a key combination board and a switch cover board, wherein the upper end surface of the switch base is of an arc structure, a plurality of grooves and a slideway are arranged in the switch base, and a switch control board is respectively arranged in each of the grooves and the slideway; the key combination board is of an arc structure and is attached to the upper end face of the switch base, a plurality of openings are formed in the key combination board, and keys are arranged in the openings and connected with the key combination board through elastic sheets; the key combination board is also provided with a long slot hole, a sliding key is arranged in the long slot hole, the key and the sliding key correspond to the position of the groove and the position of the slideway on the switch base, the key and the switch control board in the groove work in a matching way, and the sliding key can move along the slideway after being connected with the switch control board in the slideway; the switch cover plate is of an arc-shaped structure and is fixed with the switch base and the key combination plate into a whole, and the switch cover plate is provided with mounting holes for accommodating keys and sliding keys.
Preferably, the number of the keys on the key combination board is consistent with that of the grooves in the switch base, and the positions of the keys are in one-to-one correspondence; the long slotted hole on the key combination plate corresponds to the position of the slideway in the switch base, and the sliding key is arranged in the long slotted hole.
Preferably, three grooves which are arranged in a triangle shape are arranged in the switch base, and a rectangular slideway is arranged below the grooves; the key combination board is provided with 3 keys, and the lower parts of the keys are connected with the key combination board through elastic sheets; the long slotted hole on the key combination board is positioned below the key.
The combined switch is arranged on a handle of the hair dryer, an opening is formed in the handle, the upper end and the lower end of a switch cover plate are fixed at the opening of the handle through screws, the switch cover plate is tightly attached to the opening of the handle, and a sealing film is arranged between the switch cover plate and the opening of the handle, so that an air duct in the handle is sealed.
Each key on the key combination board comprises a wind speed control switch, a wind temperature control switch and a cold and hot wind alternate switch, and the sliding key is a power switch. Three buttons are arranged in a shape like a Chinese character 'pin', are installed on the button composition board through spring pieces and are pressed, so that the buttons are in contact with the switch control panels in the grooves on the switch base, the switch control panels are connected to the control module of the blower through wires, and the effects of changing wind speed and wind temperature and switching cold and hot wind are achieved. After the key is released, the spring piece can drive the key to reset. The sliding key is arranged in the long slotted hole in the key combination board and can move along the long slotted hole, the power switch control board is arranged in the slide way of the switch base, the sliding key is fixedly connected with the power switch control board to drive the power switch control board to slide along the slide way, and the power switch control board is connected to the control module of the hair dryer through a lead so as to start the hair dryer or close the hair dryer.
According to the invention, the plurality of keys are integrated on the key combination board, the spring pieces are used for connecting the keys, so that the keys can be conveniently pressed and reset, the switch base, the key combination board and the switch cover plate are fixed into a whole, and during installation, only the switch cover plate is fixed on the handle, so that the installation difficulty of the whole hair dryer is reduced; after the switch cover plate and the switch base are fixed into a whole, excessive sealing rubber does not need to be filled at the key, and the weight and the cost of the handle are greatly reduced.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
Figure 1 is an exploded view of a part of a hair dryer;
FIG. 2 is a sectional view of the blower;
FIG. 3 is a schematic view of the handle;
FIG. 4 is a schematic structural diagram of a switch base;
FIG. 5 is a schematic structural diagram of a key combination board;
FIG. 6 is a schematic structural view of a switch cover plate;
FIG. 7 is a schematic structural diagram of a motor cover plate;
fig. 8 is a schematic structural diagram of the power line card board.
Labeled as: the air duct 1, the outer air duct 11, the air outlet duct 12, the first annular air outlet 121, the second air outlet 122, the primary air duct 13, the annular mounting surface 131, the rotary buckle 132, the second air inlet 133, the air duct joint 14, the magnetic ring 15, the annular cavity 16, the handle 2, the first opening 21, the second opening 22, the air guide groove 23, the air inlet 24, the heater strip assembly 3, the control module 4, the motor 5, the motor cover plate 51, the motor stopper 52, the fan blade 53, the switch base 61, the groove 611, the slideway 612, the key combination plate 62, the elastic sheet 621, the long groove hole 622, the switch cover plate 63, the first mounting hole 631, the second mounting hole 632, the key 64, the sliding key 65, the power cord clamping plate 7, the clamping hole 71, the notch 72, the clamping ring 73, the power cord 8, the inner filter 91, and the outer filter.
Detailed Description
See the drawings. The hair-dryer include dryer 1 and handle 2, dryer 1 is the plastics material, for example PC or nylon, and handle 2 is the alloy material, for example aluminum alloy or magnesium alloy, and the dryer and the handle with the mode of moulding plastics with different materials are inlayed and are closed as an organic wholely, and such material is selected for the hair-dryer quality is lighter, intensity is better.
The air duct 1 comprises an inner air duct and an outer air duct 11 which are coaxially arranged, and an annular cavity 16 is formed between the outer wall of the inner air duct and the inner wall of the outer air duct; the inner air pipe consists of an air outlet pipe 12 and a primary air pipe 13 which are connected by an air pipe joint 14, and the front end of the air outlet pipe 12 is also sleeved with a magnetic ring 15 for magnetically connecting air blowing nozzles with various shapes; the air outlet pipe 12 and the primary air pipe 13 are arranged in the outer air pipe 11, the tail end of the primary air pipe 13 is provided with an annular mounting surface 131, and the annular mounting surface 131 is fixedly connected with the tail part of the outer air pipe 11 through a rotary buckle 132, so that the rear end of an annular cavity is closed; the front end of the air outlet pipe 12 is provided with a first annular air outlet 121 which is communicated with the annular cavity 16; the inside of the air outlet pipe 12 and the primary air pipe 13 is a second air inlet channel, the tail of the primary air pipe 13 is a second air inlet 133, and the inside of the front end of the air outlet pipe 12 is a second air outlet 122.
The air duct 1 is also internally provided with a heating wire component 3 and a control module 4, the heating wire component 3 comprises a tubular bracket and a heating wire wound on the bracket, and the tubular bracket is sleeved outside the air outlet pipe 12 and is positioned in an annular cavity 16 between the inner air duct and the outer air duct; the control module 4 is of an annular structure, is sleeved outside the primary air pipe 13 and is electrically connected with the motor and the heating wire assembly.
Handle 2 is 93 degrees with the first annular air outlet direction contained angle of the front end of dryer 1, and the handle is 3 degrees for the perpendicular line slope of dryer promptly, and towards dryer rear end one side slope, and handle and dryer are not the vertical relation, have 3 degrees slopes, accord with ergonomic, do not tired the hand when using for a long time. The handle is of an oval structure, so that the handle can be more conveniently gripped, and the inner circumferential wall of the handle 2 is provided with air guide grooves 23 which are axially distributed. An air inlet channel is arranged inside the handle 2 and communicated with an annular cavity 16 inside the air duct 1, so that air entering from the lower portion of the handle can be blown out from the first annular air outlet.
An air inlet 24 is arranged below the handle 2, and an inner filter screen 91 and an outer filter screen 92 are sleeved at the air inlet; the bottom of the handle 2 is provided with a power line clamping plate 7, the power line clamping plate is of an annular structure and consists of two semicircular rings, and a clamping line hole 71 is formed in the middle of the power line clamping plate; the upper end surface of the power line clamping plate is provided with a plurality of concave notches 72; a circle of convex snap ring 73 is arranged in the snap ring hole in the middle of the power line snap plate. The port of the power line 8 is clamped by the clamping ring 73 in the middle of the power line clamping plate and fixed in the clamping line hole 72, and then the power line 8 is wired along the air guide groove 23 on the inner wall of the handle, extends into the air duct 1 and is electrically connected with the control module 4.
The side of the handle 2 is provided with a first opening 21 and a second opening 22 which are axially distributed, the first opening 21 is positioned above the second opening 22, a combined switch is arranged in the first opening 21, and the motor 5 is arranged in the second opening 22.
The combined switch comprises a switch base 61, a key combination plate 62 and a switch cover plate 63, wherein the upper end surface of the switch base 61 is of an arc structure, three grooves 611 which are arranged in a triangle shape are arranged in the switch base, a rectangular slideway 612 is arranged below the grooves, and a switch control plate is respectively arranged in the grooves and the slideway; the key combination board 62 is of an arc structure and is attached to the upper end face of the switch base 61, 3 openings are formed in the key combination board 62, 3 keys 64 are arranged in the openings, and the lower portions of the keys 64 are connected with the key combination board 62 through elastic sheets 621; the 3 keys are respectively a wind speed control switch, a wind temperature control switch and a cold and hot wind alternating switch; the key combination board 62 is also provided with a long slot hole 622, a sliding key 65 is arranged in the long slot hole, the sliding key is a power switch, the key 64 and the sliding key 65 correspond to the groove 611 and the slide 612 on the switch base, the key and the switch control board in the groove work in a matching way, and the sliding key can move along the slide after being connected with the switch control board in the slide; the switch cover plate 63 is of an arc-shaped structure and is fixed with the switch base 61 and the key combination plate 62 into a whole, and the switch cover plate 63 is provided with a first mounting hole 631 for accommodating a key and a second mounting hole 632 for accommodating a sliding key. The switch cover 63 and the first opening 21 are fixed by screws, and a sealing film is provided therebetween.
The second opening 22 embeds there is motor 5, installs fan blade 53 on the motor shaft, and second opening 22 department is equipped with motor cover plate 51 with it closely cooperates, motor cover plate 51 is the arc structure, and the inboard is equipped with two motor stopper 52, and motor 5 is located between two motor stopper 52, prevents that the motor from sliding. The motor cover plate 51 is fixed with the second opening 22 of the handle through screws, and a sealing film is arranged between the motor cover plate and the second opening.
When the air-conditioner is used, the power switch is slid, the control module 4 starts the motor 5, the motor 5 drives the fan blades 53 to rotate, so that air enters from the air inlet 24 below the handle 2, enters the annular cavity 16 between the inner air pipe and the outer air pipe through the air inlet channel inside the handle 2, and is blown out from the first annular air outlet through the heating wire assembly 3. If the heating wire arranged in the air duct is electrified and heated, hot air is blown out of the front end of the air duct; if the heating wire is not electrified to heat, cold air is blown out.
According to Bernoulli's principle: when the flow is equal in height, the flow rate is high, and the pressure is low. When the air blow is carried out at the front end of the air duct, the flow velocity of the air at the front end of the air duct is obviously greater than that of the air at the rear end of the air duct, namely, the pressure at the front end of the air duct is small, and the air at the rear end of the air duct is blown out from the front end of the air duct through the inner air duct, so that the air output of the hair dryer is increased.

Claims (3)

1. A combination switch for a hair dryer, characterized in that: the switch comprises a switch base, a key combination board and a switch cover board, wherein the upper end surface of the switch base is of an arc structure, a plurality of grooves and a slideway are arranged in the switch base, and a switch control board is respectively arranged in each of the grooves and the slideway; the key combination board is of an arc structure and is attached to the upper end face of the switch base, a plurality of openings are formed in the key combination board, and keys are arranged in the openings and connected with the key combination board through elastic sheets; the key combination board is also provided with a long slot hole, a sliding key is arranged in the long slot hole, the key and the sliding key correspond to the position of the groove and the position of the slideway on the switch base, the key and the switch control board in the groove work in a matching way, and the sliding key can move along the slideway after being connected with the switch control board in the slideway; the switch cover plate is of an arc-shaped structure and is fixed with the switch base and the key combination plate into a whole, and the switch cover plate is provided with mounting holes for accommodating keys and sliding keys.
2. A combination switch for a hair dryer, as claimed in claim 1, wherein: the number of the keys on the key combination board is consistent with that of the grooves in the switch base, and the positions of the keys are in one-to-one correspondence; the long slotted hole on the key combination plate corresponds to the position of the slideway in the switch base, and the sliding key is arranged in the long slotted hole.
3. A combination switch for a hair dryer, as claimed in claim 1, wherein: three grooves which are arranged in a triangle shape are arranged in the switch base, and a rectangular slideway is arranged below the grooves; the key combination board is provided with 3 keys, and the lower parts of the keys are connected with the key combination board through elastic sheets; the long slotted hole on the key combination board is positioned below the key.
CN202010630707.6A 2020-07-03 2020-07-03 Combined switch for hair drier Pending CN111696798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010630707.6A CN111696798A (en) 2020-07-03 2020-07-03 Combined switch for hair drier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010630707.6A CN111696798A (en) 2020-07-03 2020-07-03 Combined switch for hair drier

Publications (1)

Publication Number Publication Date
CN111696798A true CN111696798A (en) 2020-09-22

Family

ID=72484879

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010630707.6A Pending CN111696798A (en) 2020-07-03 2020-07-03 Combined switch for hair drier

Country Status (1)

Country Link
CN (1) CN111696798A (en)

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Effective date of registration: 20210827

Address after: 310024 room 410, West building, building 3, Fenghuang creative building, Zhuantang street, Xihu District, Hangzhou, Zhejiang

Applicant after: Best fire technology (Hangzhou) Co.,Ltd.

Address before: Room 504, 116 linban Road, Gongshu District, Hangzhou City, Zhejiang Province 310022

Applicant before: HANGZHOU SHUANGTULI TECHNOLOGY Co.,Ltd.