CN112643722A - Shaver head and shaver - Google Patents

Shaver head and shaver Download PDF

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Publication number
CN112643722A
CN112643722A CN202011217916.4A CN202011217916A CN112643722A CN 112643722 A CN112643722 A CN 112643722A CN 202011217916 A CN202011217916 A CN 202011217916A CN 112643722 A CN112643722 A CN 112643722A
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CN
China
Prior art keywords
noise
shaving head
shaver
cutter
shell
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Granted
Application number
CN202011217916.4A
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Chinese (zh)
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CN112643722B (en
Inventor
孟凡迪
李仲秋
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Shenzhen Sushi Technology Co Ltd
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Shenzhen Sushi Technology Co Ltd
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Priority to CN202011217916.4A priority Critical patent/CN112643722B/en
Publication of CN112643722A publication Critical patent/CN112643722A/en
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Publication of CN112643722B publication Critical patent/CN112643722B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/28Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

The application belongs to the technical field of personal care small household appliances, and particularly relates to a shaver head and a shaver, wherein the shaver head is suitable for the shaver, the shaver head comprises a shell, a static cutter, a movable cutter and a noise reduction assembly, the static cutter is arranged on the shell, the movable cutter is arranged in the shell, the static cutter is covered on the movable cutter, and the movable cutter is used for being connected with a driving end of a driving mechanism in the shaver so as to enable the movable cutter to move relative to the static cutter; the noise reduction assembly can pick up running noise generated by relative movement of the movable knife and the fixed knife and emit anti-sound noise for offsetting the running noise. Because the shaving head is operated, the main noise source is the operation noise between the movable cutter and the static cutter, the anti-sound noise emitted by the noise reduction component of the shaving head is weakened or the main operation noise is eliminated, namely, the noise reduction principle is utilized to eliminate the noise by using the anti-sound interference, so that the purpose of noise elimination and noise reduction is achieved, the noise reduction effect of the shaving head is greatly improved, and the use feeling of the shaving head is better.

Description

Shaver head and shaver
Technical Field
The application belongs to the technical field of small personal care appliances, and particularly relates to a shaver head and a shaver.
Background
When the shaver is in operation, the sources of noise are: friction noise between the moving blade and the stationary blade, motor operation noise, gear transmission noise, and the like. For a rotary shaver, because the rotation speed of the motor is low, usually only several hundred to several thousand revolutions, the running noise of the motor and the transmission noise of the gear are relatively small, and the main noise source is the friction noise between the moving blade and the static blade.
The existing noise reduction mode of the rotary shaver usually achieves the purposes of shock absorption and noise reduction by arranging shock absorption and sound absorption materials inside a machine body or improving a transmission mechanism, but the noise reduction effect of the noise reduction mode is not ideal.
Disclosure of Invention
An object of the application is to provide a shaver head and a shaver, aim at solving the poor technical problem of noise reduction effect of the shaver among the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a shaving head is suitable for a shaver, and comprises a shell, a static cutter, a movable cutter and a noise reduction assembly, wherein the static cutter is arranged on the shell, the movable cutter is arranged in the shell, the static cutter is covered on the movable cutter, and the movable cutter is used for being connected with a driving end of a driving mechanism in the shaver so as to enable the movable cutter to move relative to the static cutter; the noise reduction assembly can pick up running noise generated by relative movement of the movable cutter and the fixed cutter and send out anti-sound noise for offsetting the running noise.
Optionally, the noise reduction assembly includes a collector, a sound generator and a controller, the collector and the sound generator are electrically connected to the controller and located in the casing, the collector is used for picking up the operation noise and producing a noise audio signal, and sending the noise audio signal to the controller, the controller generates an anti-sound noise signal after calculation and analysis, and sends the anti-sound noise signal to the sound generator, and the sound generator plays the anti-sound noise to offset the operation noise.
Optionally, the noise reduction assembly further comprises a power amplifier electrically connected between the controller and the sounder.
Optionally, the collector is a microphone, a sound pick-up, or a microphone; the sounder is a speaker, a horn or a loudspeaker.
Optionally, the collector and the sounder are both mounted within the housing, and are located on opposite sides of the housing, respectively; or the collector and the sounder are both arranged in the static knife and are respectively positioned at two opposite sides of the static knife.
Optionally, the shaving head further comprises a floating bracket and a first sealing element, the housing is provided with a mounting hole, the floating bracket is mounted on the housing in a floating manner and sealed by the first sealing element, and the static knife is mounted on the floating bracket. .
Optionally, the shaving head further comprises a second seal, the stationary blade being mounted on the floating mount and sealed by the second seal.
Optionally, the housing includes a third sealing element, an upper shell and a lower shell, the floating bracket is mounted on the upper shell, the upper shell is fastened on the lower shell, and the third sealing element is clamped between the upper shell and the lower shell.
Optionally, the housing further comprises a sealing plate and a fourth sealing element, the movable knife is mounted in the upper housing, a first transmission mechanism is arranged in the lower housing, the sealing plate is mounted at the opening of the lower housing in a sealing manner, and the input end of the first transmission mechanism is connected with the driving end of the driving mechanism; the output end of the first transmission mechanism penetrates through the sealing plate and is sealed through the fourth sealing piece.
Optionally, the driving mechanism includes an electronic control system, a sensor for detecting whether the skin is attached to the shaving head is disposed on the stationary blade and/or the floating support, the sensor is electrically connected to the electronic control system, when the sensor does not detect that the skin is attached to the shaving head, the sensor feeds back a signal to the electronic control system, and the electronic control system controls the movement speed of the driving end of the driving mechanism to be reduced.
Optionally, the sensors are skin contact sensors, pressure sensors and temperature sensors.
Another technical scheme adopted by the application is as follows: a shaver comprises a shaver body and the shaver head, wherein a driving end of a driving mechanism is arranged in the shaver body, and the driving end of the driving mechanism is connected with a movable knife.
The application provides a shaver head and razor compares with prior art, and its beneficial effect lies in: when the driving mechanism drives the movable knife to move in the stationary knife, operation noise can be generated between the stationary knife and the movable knife, meanwhile, the noise reduction assembly can pick up the operation noise and send out anti-sound noise according to the operation noise, the anti-sound noise and the operation noise are subjected to destructive interference, and the anti-sound noise offsets the operation noise, so that the effects of noise elimination and noise reduction are achieved; because the shaving head is operated, the main noise source is the operation noise between the movable cutter and the static cutter, the anti-sound noise emitted by the noise reduction assembly of the shaving head in the embodiment of the application is weakened or the main operation noise is eliminated, namely, the noise reduction effect of the shaving head is greatly improved by utilizing the principle of eliminating the noise by the anti-sound interference, and the purpose of noise elimination and noise reduction is achieved, so that the use feeling of the shaving head is better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a shaving head according to an embodiment of the present application.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is an exploded view of the shaving head shown in fig. 1.
Fig. 4 is a schematic structural view of the stationary blade shown in fig. 3.
Fig. 5 is a flow chart of a noise reduction assembly of the shaving head shown in fig. 1.
Fig. 6 is a schematic structural diagram of a shaver according to another embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
10-housing 11-mounting hole 12-third seal
13-upper case 14-lower case 15-sealing plate
16-fourth sealing element 20-static knife 21-beard inlet hole
30-moving blade 40-noise reduction component 41-collector
42 sounder 51 floating support 52 first seal
53-second seal 60-first transmission 70-sensor
80-body 151-through hole 161-second accommodating hole
511-the fixing hole 521-the first accommodation hole.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 to 6, in an embodiment of the present application, a shaving head is provided, which is suitable for a shaver, and includes a housing 10, a stationary blade 20, a movable blade 30 and a noise reduction assembly 40, where the stationary blade 20 is mounted on the housing 10, the movable blade 30 is mounted in the housing 10, the stationary blade 20 covers the movable blade 30, and the movable blade 30 is used to be connected to a driving end of a driving mechanism (not shown) in the shaver, so that the movable blade 30 moves relative to the stationary blade 20; it should be noted that the surface of the stationary blade 20 exposed outside the housing 10 is provided with a beard inlet 21 to facilitate the entering of beard into the stationary blade 20 from the beard inlet 21, and the blade of the movable blade 30 abuts against the inner wall of the stationary blade 20, and the driving mechanism drives the blade of the movable blade 30 to rotate or reciprocate in the stationary blade 20, so as to cut off the beard inserted from the beard inlet 21, thereby achieving the shaving operation.
Further, the noise reduction assembly 40 can pick up the operation noise generated by the movement of the movable blade 30 relative to the stationary blade 20 and emit the anti-sound noise for canceling the operation noise.
Specifically, in the shaving head according to the embodiment of the present application, when the driving mechanism drives the movable blade 30 to move in the stationary blade 20, the operating noise is generated between the stationary blade 20 and the movable blade 30, and meanwhile, the noise reduction assembly 40 picks up the operating noise and generates anti-sound noise according to the operating noise, the anti-sound noise and the operating noise perform destructive interference, and the anti-sound noise offsets the operating noise, so as to achieve the effects of noise elimination and noise reduction; because the main noise source of the shaving head is the running noise between the movable cutter 30 and the stationary cutter 20 when the shaving head runs, the anti-sound noise emitted by the noise reduction assembly 40 of the shaving head in the embodiment of the application is weakened or the main running noise is eliminated, namely, the noise reduction is realized by utilizing the principle of eliminating the noise by anti-sound interference, so that the noise reduction effect of the shaving head is greatly improved, and the use feeling of the shaving head is better.
In the present embodiment, when the shaving head is in operation, the blade of the movable blade 30 abuts against the friction noise generated by the movement of the inner wall of the stationary blade 20, and the air noise generated by the disturbance of the air due to the movement of the movable blade 30 is superimposed to form the operation noise; or, when the friction noise is a main noise source and the influence of the air noise is small, the noise reduction assembly 40 only picks up the friction noise and emits the anti-sound noise according to the friction noise, namely the anti-sound noise offsets the friction noise, so that a good noise reduction effect can be achieved; or, when the air noise is a main noise source and the influence of the friction noise is small, the noise reduction assembly 40 only picks up the air noise and emits anti-sound noise according to the air noise, that is, the anti-sound noise offsets the air noise, so that a good noise reduction effect can be achieved; the specific setting can be selected and set according to actual needs, and is not limited herein.
In another embodiment of the present application, referring to fig. 5, a noise reduction assembly 40 of the shaving head is provided, which includes a collector 41, a sound generator 42 and a controller (not shown), wherein the collector 41 and the sound generator 42 are both electrically connected to the controller and are both located in the housing 10, the collector 41 is configured to pick up operating noise and generate a noise audio signal, and send the noise audio signal to the controller for calculation and analysis, the controller generates an anti-sound noise signal and sends the anti-sound noise signal to the sound generator 42, and the sound generator 42 plays sound noise. Specifically, when the noise-reducing device is used, the collector 41 converts the picked-up running noise into a production noise audio signal, then transmits the noise audio signal to the controller, the controller performs calculation and analysis according to the noise audio signal to obtain an anti-sound noise signal, sends the anti-sound noise signal to the sound generator 42, and after the sound generator 42 receives the anti-sound noise signal, the anti-sound noise signal is converted into anti-sound noise and the anti-sound noise is played, and the played anti-sound noise destructively interferes with the running noise, so that the noise-reducing effect is achieved.
In this implementation, the controller has means to receive, process the noise audio signal and to produce an anti-sound noise signal. Specifically, the controller may be a PLC controller or a computer.
In another embodiment of the present application, referring to fig. 5, a noise reduction assembly 40 of the shaver head is provided, further comprising a power amplifier (not shown), which is electrically connected between the controller and the sounder 42. Specifically, after the anti-sound audio signal is amplified by the power amplifier, sufficient current is generated to drive the sound generator 42 to generate sound, so that the problem that the anti-sound noise played by the sound generator 42 is distorted is avoided, the effect of mutual destructive interference of the anti-sound noise and the operation noise is better, and the silencing and noise reduction effects are better.
In another embodiment of the application, the collector 41 of the shaving head is provided as a microphone, a sound pick-up or a microphone; specifically, the microphone, the sound pick-up or the microphone can pick up the operation noise, and the operation noise can be used for producing an anti-sound noise signal, so that the controller analyzes and calculates to obtain the anti-sound noise signal, but the sensitivity of the sound pick-up is higher than that of the microphone and the microphone, so that the operation noise picked up by the sound pick-up is more accurate, the anti-sound noise signal generated by the controller is more accurate, the sound generator 42 sends the anti-sound noise, the effect of offsetting the operation noise is better, and the shaving head is ensured to have a better noise elimination and reduction effect.
In another embodiment of the application, the sound emitter 42 of the shaving head is provided as a speaker, horn or loudspeaker. In particular, the loudspeaker, horn or loudspeaker can receive the anti-sound noise signal and convert the anti-sound noise signal into anti-sound noise.
In another embodiment of the present application, the collector 41 and the sound generator 42 of the shaving head are provided mounted in the housing 10, on opposite sides of the housing 10; specifically, the casing 10 serves as a mounting base for the collector 41 and the sounder 42, and serves to support the collector 41 and the sounder 42; in addition, when a plurality of pairs of stationary blades 20 and moving blades 30 are arranged in the housing 10, the running noises between the plurality of pairs of collectors 41 and the sounders 42 are mutually superposed to form a total running noise, at this time, only one pair of collectors 41 and sounders 42 can be arranged, the collector 41 picks up the total running noise, and the sounders 42 play the total anti-sound noise, so that the purposes of noise reduction and sound elimination are achieved, and the structure is simple with fewer parts; in addition, the collector 41 and the sounder 42 are arranged on the housing 10, and the installation space is large, so that the installation is convenient; of course, in other embodiments, a pair of collectors 41 and sounders 42 may be disposed at the pair of stationary blades 20 and moving blades 30, and the specific number thereof may be selected according to actual needs.
Further, the collector 41 and the sounder 42 are respectively located at two opposite sides of the housing 10, and the collector 41 and the sounder 42 are far away from each other, so that the collector 41 is prevented from picking up the anti-sound noise, and the noise reduction effect is reduced.
In another embodiment of the present application, referring to fig. 1, 2 and 4, the collector 41 and the sounder 42 of the shaving head are provided to be installed in the stationary blade 20 and located at opposite sides of the stationary blade 20, respectively; specifically, the collector 41 and the sounder 42 are directly installed in the stationary knife 20, the collector 41 and the sounder 42 are close to the stationary knife 20 and the movable knife 30, the collector 41 has a better effect of picking up the moving noise, and the anti-sound noise emitted by the sounder 42 can also be offset with the running noise immediately, so that the noise elimination and reduction effects are improved; in addition, the collector 41 and the sounder 42 are respectively positioned at two opposite sides of the static knife 20, and the collector 41 and the sounder 42 are far away, so that the collector 41 is prevented from picking up the anti-sound noise, and the noise elimination and reduction effect is reduced.
In another embodiment of the present application, referring to fig. 1, 2 and 3, there is provided a shaving head of the shaving head further including a floating holder 51 and a first sealing member 52, the floating holder 51 being floatingly mounted to the housing 10 and sealed by the first sealing member 52, the stationary blade 20 being mounted to the floating holder 51. The static knife 20 is arranged on the floating support 51, so that when the static knife 20 is attached to the skin, the floating support 51 floats along with the physiological curve of the skin, so that the static knife 20 can be tightly attached to the skin, on one hand, the movable knife 30 can cut the root of a beard, the removal of the beard is cleaner, and the shaving effect is good; on the other hand, the stationary knife 20 is tightly attached to the skin, the skin seals the beard inlet hole 21, and meanwhile, the first sealing member 52 seals the gap between the floating support 51 and the housing 10, so that a sealed cavity is formed in the inner cavity of the housing 10, thereby preventing external noise from entering the inner cavity of the housing 10, enabling the collector 41 to accurately collect operation noise, ensuring that the sounder 42 can accurately generate anti-sound noise, and effectively reducing the noise; in addition, the operation noise and the anti-sound noise cannot escape out of the housing 10 from the mounting gap, so that the sound insulation effect of the housing 10 is improved, the operation noise of the whole shaving head is reduced, and the experience of a user is improved.
Specifically, a mounting hole 11 is formed in the housing 10, the floating support 51 is floatingly mounted on the housing 10 and penetrates through the mounting hole 11, and the stationary knife 20 is mounted on the floating support 51; the first sealing member 52 is provided with a first accommodating hole 521, the floating bracket 51 is positioned in the first accommodating hole 521, the inner periphery of the first accommodating hole 521 is connected with the outer periphery of the floating bracket 51, the outer periphery of the first sealing member 52 is connected with the housing 10, and the first sealing member 52 seals the gap between the floating bracket 51 and the mounting hole 11 and can deform along with the floating of the floating bracket 51.
In another embodiment of the present application, as shown in fig. 1, 2 and 3, the shaving head is further provided to include a second sealing member 53, the stationary blade 20 being mounted on the floating holder 51 and sealed by the second sealing member 53; the second sealing member 53 seals the mounting gap between the floating support 51 and the stationary knife 20, so that external noise is prevented from entering the inner cavity of the housing 10 from the mounting gap between the fixing hole 511 and the stationary knife 20, the accuracy of the collector 41 in collecting the operating noise is improved, and the noise elimination and reduction effects are improved; in addition, the operation noise and the anti-sound noise cannot escape from the housing 10 through the installation gap between the fixing hole 511 and the stationary blade 20, so that the sound insulation effect of the housing 10 is improved, further, the operation noise of the whole shaver head is reduced, and the experience of the user is improved.
Specifically, the floating bracket 51 is provided with a fixing hole 511, the stationary blade 20 is fixedly installed in the fixing hole 511, and the second sealing member 53 is sleeved outside the stationary blade 20 and clamped between the outer peripheral wall of the stationary blade 20 and the inner peripheral wall of the fixing hole 511. Specifically, the fixing hole 511 provides an installation space for the stationary blade 20, and the second sealing member 53 seals an installation gap between the fixing hole 511 and the stationary blade 20, so that external noise is prevented from entering the inner cavity of the housing 10 from the installation gap between the fixing hole 511 and the stationary blade 20, the accuracy of the collector 41 in collecting operating noise is improved, and the noise elimination and reduction effects are improved; in addition, the operation noise and the anti-sound noise cannot escape from the housing 10 through the installation gap between the fixing hole 511 and the stationary blade 20, so that the sound insulation effect of the housing 10 is improved, further, the operation noise of the whole shaver head is reduced, and the experience of the user is improved.
Further, the number of the stationary blades 20 may be plural, and the number of the floating supports 51 is set in one-to-one correspondence with the number of the stationary blades 20, for example: referring to fig. 1, the number of the stationary blades 20 is three, the three stationary blades 20 are distributed in a triangular shape, and the stationary blades 20 are installed on the floating bracket 51 in a one-to-one correspondence manner.
In another embodiment of the present application, referring to fig. 1, 2 and 3, the housing 10 of the shaving head is provided to include a third sealing member 12, an upper case 13 and a lower case 14, a floating holder 51 is mounted on the upper case 13, a mounting hole 11 is opened in the upper case 13, the upper case 13 is fastened to the lower case 14, and the third sealing member 12 is clamped between the upper case 13 and the lower case 14. Specifically, the upper shell 13 is fastened on the lower shell 14, so that the upper shell 13 can be taken down from the lower shell 14, thereby facilitating the cleaning of the static knife 20 and the movable knife 30 and the cleaning of beard in the shell 10; in addition, the third sealing element 12 is clamped and fixed between the upper shell 13 and the lower shell 14, and the third sealing element 12 seals the buckling gap between the upper shell 13 and the lower shell 14, so that external noise is prevented from entering the inner cavity of the shell 10 from the buckling gap between the upper shell 13 and the lower shell 14, the accuracy of the collector 41 for collecting running noise is improved, and the noise elimination and reduction effects are improved; in addition, the operation noise and the anti-sound noise cannot escape out of the housing 10 from the fastening gap between the upper housing 13 and the lower housing 14, so that the sound insulation effect of the housing 10 is improved, further, the operation noise of the whole shaving head is reduced, and the experience of the user is improved.
In another embodiment of the present application, referring to fig. 1, 2 and 3, the housing 10 of the shaving head is further provided with a sealing plate 15 and a fourth sealing member 16, the movable blade 30 is installed in the upper housing 13, the lower housing 14 is internally provided with a first transmission mechanism 60, the sealing plate 15 is hermetically installed at the opening of the lower housing 14, and the input end of the first transmission mechanism 60 is connected with the driving end of the driving mechanism; the output of the first gear train 60 passes through the seal plate 15 and is sealed by the fourth seal 16. The output power of the driving mechanism is transmitted to the movable blade 30 through the first transmission mechanism 60, so as to drive the movable blade 30 to rotate, and further realize the shaving operation; the sealing plate 15 seals the first transmission mechanism 60 in the inner cavity of the lower shell 14, and meanwhile, the fourth sealing element 16 completely seals the mounting gap between the output end of the first transmission mechanism 60 and the through hole 151, so that the inner cavity of the upper shell 13 and the inner cavity of the lower shell 14 are completely sealed and isolated, on one hand, the running noise of the first transmission mechanism 60 cannot enter the inner cavity of the upper shell 13, the accuracy of the collector 41 for collecting the running noise of the movable knife 30 is improved, and the noise elimination and reduction effects are improved; on the other hand, the operation noise of the movable blade 30 can be completely sealed in the inner cavity of the upper case 13, so that the sound insulation effect is improved, and the operation noise of the shaving head is further reduced. It should be noted that, during the floating of the floating holder 51, the output end of the first transmission mechanism 60 moves, and therefore, the fourth sealing member 16 deforms along with the movement of the output end of the first transmission mechanism 60, so as to ensure the normal operation of the shaving head.
Specifically, the sealing plate 15 is provided with a through hole 151, the fourth sealing member 16 is provided with a second accommodating hole 161, and the outer periphery of the fourth sealing member 16 is connected with the periphery of the through hole 151; the output end of the first transmission mechanism 60 penetrates through the second containing hole 161 and then is connected with the movable blade 30; the inner circumference of the second receiving hole 161 is connected to the outer circumference of the output end of the first transmission mechanism 60. Specifically, the output power of the driving mechanism is transmitted to the movable blade 30 through the first transmission mechanism 60, so as to drive the movable blade 30 to rotate, thereby realizing the shaving operation; the sealing plate 15 seals the first transmission mechanism 60 in the inner cavity of the lower shell 14, and meanwhile, the fourth sealing element 16 completely seals the mounting gap between the output end of the first transmission mechanism 60 and the through hole 151, so that the inner cavity of the upper shell 13 and the inner cavity of the lower shell 14 are completely sealed and isolated, on one hand, the running noise of the first transmission mechanism 60 cannot enter the inner cavity of the upper shell 13, the accuracy of the collector 41 for collecting the running noise of the movable knife 30 is improved, and the noise elimination and reduction effects are improved; on the other hand, the operation noise of the movable blade 30 can be completely sealed in the inner cavity of the upper case 13, so that the sound insulation effect is improved, and the operation noise of the shaving head is further reduced. It should be noted that, during the floating of the floating holder 51, the output end of the first transmission mechanism 60 moves, and therefore, the fourth sealing member 16 deforms along with the movement of the output end of the first transmission mechanism 60, so as to ensure the normal operation of the shaving head.
Preferably, the first seal 52, the second seal 53, the third seal 12 and the fourth seal 16 are sealing rings or plates.
In another embodiment of the present application, the driving mechanism of the shaving head includes an electronic control system (not shown), a sensor 70 for detecting whether the skin is attached to the shaving head is disposed on the stationary blade 20 and/or the floating bracket 51, the sensor 70 is electrically connected to the electronic control system, when the sensor 70 does not detect that the skin is attached to the shaving head, the sensor 70 feeds back a signal to the electronic control system, and the electronic control system controls the driving end of the driving mechanism to move at a reduced speed. Specifically, when the shaving head is not attached to the skin, that is, when the driving mechanism drives the movable blade 30 to be in the idle state, the sensor 70 sends a feedback signal to the electronic control system of the driving mechanism, and the electronic control system sends a signal to reduce the movement speed of the driving end of the driving mechanism, that is, reduce the running speed of the movable blade 30, so as to reduce the running noise between the movable blade 30 and the stationary blade 20, reduce the noise when the shaving head idles, improve the running intelligence of the shaving head, and improve the user experience.
The sensor 70 may be disposed on the floating bracket 51, or on the stationary blade 20, or both the floating bracket 51 and the stationary blade 20 are disposed with the sensor 70, and the specific disposition position of the sensor 70 may be selected according to the actual structural design, which is not limited herein.
In another embodiment of the present application, the sensor 70 of the shaving head is provided as a skin contact sensor; specifically, the skin contact sensor feeds back a signal to the electronic control system when the skin is separated from the stationary blade 20 or the floating holder 51, i.e., indicating that the shaving head is separated from the skin; the electronic control system thus reduces the drive end movement speed of the drive mechanism, i.e. reduces the movement speed of the movable blade 30, reducing operational noise.
In another embodiment of the present application, the sensor 70 of the shaving head is provided as a pressure sensor; specifically, when the skin is separated from the static knife 20 or the floating bracket 51, at this time, the pressure sensor cannot detect the pressure of the skin on the static knife 20 or the floating bracket 51, so as to feed back a signal to the electronic control system; the electric control system controls to reduce the movement speed of the driving end of the driving mechanism, namely, the movement speed of the movable knife 30, and the operation noise is reduced.
In another embodiment of the present application, the sensor 70 of the shaving head is provided as a temperature sensor. Specifically, after the skin is separated from the stationary knife 20 or the floating bracket 51, the temperature sensor detects the temperature drop of the stationary knife 20 or the floating bracket 51, thereby feeding back a signal to the electronic control system; the electric control system controls to reduce the movement speed of the driving end of the driving mechanism, namely, the movement speed of the movable knife 30, and the operation noise is reduced.
In another embodiment of the present application, there is provided a shaver comprising a body 80 and the above-mentioned shaving head, wherein a driving mechanism is provided in the body 80, and a driving end of the driving mechanism is connected to the movable blade 30.
The shaver provided by the embodiment has the shaving head provided by any one of the above embodiments, so that all the beneficial effects of the shaving head provided by any one of the above embodiments are achieved, and the description thereof is omitted.
Specifically, as shown in fig. 1 to 6, the shaver according to the present embodiment operates as follows: the driving mechanism comprises an electric control system, a motor (not shown) and a second transmission mechanism (not shown), the input end of the first transmission mechanism 60 is connected with the output end of the second transmission mechanism, the output end of the motor is connected with the input end of the second transmission mechanism, the motor outputs power, the power is transmitted to the movable blade 30 through the second transmission mechanism and the second transmission mechanism to drive the movable blade 30 to move, so that shaving operation is realized, after a signal is fed back to the electric control system by the sensor 70, the electric control system controls the output rotating speed of the output shaft of the motor, so that the adjustment of the moving speed of the movable blade 30 is realized; in addition, it should be noted that the controller may be a part of the electronic control system, or may be disposed separately from the electronic control system, and the controller may be disposed in the housing 10 or the body 80, and the specific structural design thereof may be selected according to actual needs, and is not limited herein.
Further, the first transmission mechanism 60 and the second transmission mechanism are gear transmission mechanisms or synchronous gear transmission mechanisms, and other mechanisms capable of transmitting power.
Those of ordinary skill in the art will appreciate that the control relationships between the various electronic control systems, motors, sounders 42, collectors 41, amplifiers, and controllers described in connection with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of external device software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (12)

1. A shaving head adapted for use with a razor, comprising: the shaver head comprises a shell, a static cutter, a movable cutter and a noise reduction assembly, wherein the static cutter is arranged on the shell, the movable cutter is arranged in the shell, the static cutter is covered on the movable cutter, and the movable cutter is used for being connected with the driving end of a driving mechanism in the shaver so as to enable the movable cutter to move relative to the static cutter;
the noise reduction assembly can pick up running noise generated by relative movement of the movable cutter and the fixed cutter and send out anti-sound noise for offsetting the running noise.
2. The shaving head according to claim 1, wherein: the noise reduction assembly comprises a collector, an acoustic generator and a controller, wherein the collector and the acoustic generator are electrically connected with the controller and are located in the shell, the collector is used for picking up the operation noise and producing noise audio signals and sending the noise audio signals to the controller, the controller generates anti-sound noise signals after calculation and analysis and sends the anti-sound noise signals to the acoustic generator, and the acoustic generator plays the anti-sound noise to offset the operation noise.
3. A shaving head as claimed in claim 2, characterized in that: the noise reduction assembly further comprises a power amplifier, and the power amplifier is electrically connected between the controller and the sounder.
4. A shaving head as claimed in claim 2, characterized in that: the collector is a microphone, a sound pickup or a microphone; the sounder is a speaker, a horn or a loudspeaker.
5. A shaving head as claimed in claim 2, characterized in that: the collector and the sounder are both arranged in the shell and are respectively positioned at two opposite sides of the shell;
or the collector and the sounder are both arranged in the static knife and are respectively positioned at two opposite sides of the static knife.
6. A shaving head as claimed in any one of the claims 1 to 5, characterized in that: the shaver head further comprises a floating support and a first sealing element, the floating support is arranged on the shell in a floating mode and is sealed through the first sealing element, and the static knife is arranged on the floating support.
7. The shaving head according to claim 6, wherein: the shaving head further comprises a second sealing member, and the stationary blade is mounted on the floating holder and sealed by the second sealing member.
8. The shaving head according to claim 6, wherein: the casing includes third sealing member, epitheca and inferior valve, floating support install in on the epitheca, the epitheca lock on the inferior valve, the third sealing member press from both sides tightly in the epitheca with between the inferior valve.
9. The shaving head according to claim 8, wherein: the shell further comprises a sealing plate and a fourth sealing element, the movable knife is mounted in the upper shell, a first transmission mechanism is arranged in the lower shell, the sealing plate is mounted at an opening of the lower shell in a sealing mode, and the input end of the first transmission mechanism is connected with the driving end of the driving mechanism; the output end of the first transmission mechanism penetrates through the sealing plate and is sealed through the fourth sealing piece.
10. The shaving head according to claim 6, wherein: the driving mechanism comprises an electric control system, the static cutter and/or the floating support are/is provided with a sensor used for detecting whether skin is attached to the shaving head, the sensor is electrically connected with the electric control system, when the sensor does not detect that the skin is attached to the shaving head, the sensor feeds back a signal to the electric control system, and the electric control system controls the movement speed of the driving end of the driving mechanism to be reduced.
11. The shaving head according to claim 10, wherein: the sensors are skin contact sensors, pressure sensors and temperature sensors.
12. A shaving razor characterized by: the shaver head comprises a shaver body and the shaver head as claimed in any one of claims 1 to 11, wherein a driving end of a driving mechanism is arranged in the shaver body, and the driving end of the driving mechanism is connected with the movable blade.
CN202011217916.4A 2020-11-04 2020-11-04 Shaving head and shaver Active CN112643722B (en)

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