CN210233119U - Electric shaver - Google Patents
Electric shaver Download PDFInfo
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- CN210233119U CN210233119U CN201920705937.7U CN201920705937U CN210233119U CN 210233119 U CN210233119 U CN 210233119U CN 201920705937 U CN201920705937 U CN 201920705937U CN 210233119 U CN210233119 U CN 210233119U
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Abstract
The utility model provides an electric shaver, including main part subassembly, skull subassembly, the main part subassembly includes the lower casing and locates the drive unit in the lower casing, and the skull subassembly includes moves the sword unit and is used for supporting the upper casing that moves the sword unit, inlay initiative magnetic component in the lower casing, inlay driven magnetic component in the upper casing, under the static and vertical placement state of electric shaver, the magnetism that initiative magnetic component and driven magnetic component longitudinal direction correspond is in opposite polarity and attracts the state, the drive unit includes the motor, moves the sword unit and drives rotatoryly under the effect of motor, initiative magnetic component and driven magnetic component; the central axes of the driving magnetic assembly and the driven magnetic assembly are coincident with the central axis of the electric shaver, and the central axis of the motor deviates from the central axis of the electric shaver by 4-8 cm. Wherein the motor is arranged offset from the central axis of the electric shaver, and the vibration generated by the rotation of the motor has minimal influence on the magnet itself.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an electric shaver.
Background
One type of electric shaver includes a hand-held portion and a head portion, wherein the transmission between the hand-held portion and the head portion is transmitted by a pivot shaft extending from the hand-held portion through a coupling of the pivot shaft of the head portion. The disadvantages of this approach are evident: noise is increased, load is increased, meanwhile, the pivot shaft needs to be sealed by the sealing ring, and the sealing ring is aged and abraded to generate a leakage phenomenon after being used for a long time.
There is also an electric shaver, as disclosed in the reference 1(201820512427.3), which adopts a magnetic attraction manner to connect the hand-held portion and the head portion, as shown in fig. 1, including a motor 10 located at the central axis, and an upper magnet 30 located at the upper portion and a lower magnet 20 located at the lower portion, respectively, so as to solve the problem of leakage after the seal ring is aged and worn; however, this assembly method also brings about a new problem in that the upper magnet and the lower magnet are disposed on the central axis of the electric shaver, and the motor needs to function as the lower magnet, that is, the output shaft of the motor is directly connected to the lower magnet, that is, it is necessary to ensure that the motor is also disposed on the central axis of the electric shaver,
disclosure of Invention
The invention aims to provide an electric shaver, which comprises a motor for providing kinetic energy for the electric shaver, wherein the motor is arranged in a way of deviating from the central axis of the electric shaver, and the vibration generated by the rotation of the motor has the minimum influence on a magnet.
In order to achieve the above object, the present invention provides an electric shaver, comprising a main body assembly and a head cover assembly, wherein the head cover assembly is arranged on the main body assembly, the main body assembly comprises a lower housing and a driving unit arranged in the lower housing, the head cover assembly comprises a movable cutter unit and an upper housing for supporting the movable cutter unit, a driving magnetic assembly is embedded in the lower housing, a driven magnetic assembly is embedded in the upper housing,
the electric shaver is static and is placed longitudinally, the magnetism of the driving magnetic assembly corresponding to the longitudinal direction of the driven magnetic assembly is in an opposite attraction state, the driving unit comprises a motor, and the moving blade unit is driven to rotate under the action of the motor, the driving magnetic assembly and the driven magnetic assembly; the central axes of the driving magnetic component and the driven magnetic component are coincident with the central axis of the electric shaver, the central axis of the motor deviates from the central axis of the electric shaver, and the torque applied to the driving magnetic component by the motor is 10-30 g.cm.
In order to prevent water from entering the shell to influence the service life of the magnet in the process of cleaning the electric shaver, the driving magnetic component and the driven magnetic component are respectively coated by the lower shell and the upper shell for protection, during the operation, the driving magnetic component is driven by the motor to rotate at a high speed, the high speed rotation drives the driven magnetic component magnetically connected with the driving magnetic component to rotate, because the rotating speed of the two magnets is related to the rotating speed of the motor, the motor can be fixed by the motor bracket to prevent vibration, the two magnets are fixed by the magnet fixing shell, but the magnet fixing shell and the shell are not directly physically connected, if the two magnets are arranged in a way of deviating from the central axis of the electric shaver due to the vibration generated by the magnets in the rotating process, the magnet can generate vibration on one side of the electric shaver close to the shell, so that the hand feeling and the user experience are influenced; the initiative magnetic component, the driven magnetic component set up in electric shaver's the central axis department in this scheme, because the vibration all produces at the central axis, the vibration is regional, can offset each other with other parts that set up, and the vibration influence is minimum, has ensured two magnet pivoted stationarities.
Firstly, the motor for providing power for the driving magnetic assembly is eccentrically arranged compared with the central axis of the electric shaver, namely, the driving shaft of the motor is not placed at the central axis of the electric shaver, so that the motor can be randomly placed according to the design space, and the convenience of design is improved; secondly, if the distance between the central axis of the motor and the central axis of the electric shaver is less than 4cm, the motor can generate certain vibration in the rotating process, and the active magnetic component positioned at the central axis of the electric shaver is influenced to a certain extent due to the too close distance, so that the active magnetic component is not beneficial to work; if the distance between the central axis of the motor and the central axis of the electric shaver is more than 8cm, the installation space of the lower shell is too large, so that the electric shaver is inconvenient to hold.
The torque applied by the motor to the driving magnetic component is 10-30g.cm, the preferable torque is 20g.cm, and the driving magnetic component can rotate quickly and stably.
In a preferred embodiment of the invention, the central axis of the motor is offset from the central axis of the electric shaver by 6-7 cm.
Preferably, the central axis of the motor is 6-7cm away from the central axis of the electric shaver, the size is most suitable for the process assembly of the motor, and the influence on the active magnet during the rotation process is least, and the size can be 6cm, 6.5cm and 7 cm.
In a preferred embodiment of the invention, the drive shaft of the motor provides kinetic energy to the driving magnet assembly through a gear assembly comprising at least two or more gears that mesh to match a gear ratio to the rotational speed of the driving magnet.
The scheme adopts the gear assembly to transmit kinetic energy, the gear assembly can select gears of various types, thus the type of the whole motor is diversified, the motor is not limited to a motor with single rotating speed, the motor can select 4000-,
in a preferred embodiment of the invention, the gear ratio is 1: 1.5-1: 3.
the rotating speed of the motor is changed through the gears, the gear ratio can be large or small, but if the gear ratio is larger than 1:3, the rotating speed of the driving magnet is too low after passing through a plurality of gears, and good torque cannot be achieved; if the gear ratio is less than 1:1.5, such as a gear ratio of 1:1, the significance of setting up the gear assembly is lost. Preferably, the gear ratio in the scheme is 1:2, for example, when the rotating speed of the motor is 8000r/min, the rotating speed received by the driving magnet is 4000r/min, and the torque obtained at the rotating speed is 20 g.cm.
In a preferred embodiment of the present invention, the rotation speed of the motor is 8000-10000 r/min.
When the rotating speed of the motor is 8000r/min, the rotating speed received by the driving magnet is 4000r/min, and the torque obtained at the rotating speed is 20g.cm
In a preferred embodiment of the present invention, the driving magnetic assembly employs a driving magnet, and the driven magnetic assembly employs a driven magnet.
The driving magnetic component and the driven magnetic component are matched with each other, the driving magnetic component adopts a magnet, and the driven magnet is provided with a magnet matched with the magnet, or a magnetic material piece (such as iron, cobalt, nickel and the like) or a magnetic coating (such as iron, cobalt and nickel coatings).
For example, the driving magnetic component adopts a magnet, and the driven magnetic component is also provided with a magnet; or the driving magnetic assembly adopts a magnet, and the driven magnetic assembly is made of a magnetic material piece which can be magnetically adsorbed by the magnet; or the driving magnetic component is provided with a magnet, and the driven magnetic component is provided with a coating which is magnetically adsorbed with the magnet; alternatively, the driving magnetic assembly is provided with a magnet, and the driven magnetic assembly is made of plastic embedded magnetic material pieces or a part of the driven magnetic assembly is made of magnetic material pieces. Or the driving magnetic component is provided with a magnet, and the scheme of the driven magnetic component has the combination of the above examples. When the driven magnetic component is provided with a magnet, the driving magnetic component is provided with a magnet or a magnetic material or a magnetic coating, which can be referred to the above examples.
In a preferred embodiment of the present invention, the lower housing includes a body upper cover and a body outer shell, and a magnet fixing shell, the body upper cover and the body outer shell form a closed cavity, the magnet fixing shell is located in the closed cavity, and the active magnet is fixedly connected to the magnet fixing shell through glue.
The lower shell forms a closed space through the upper body cover and the outer shell of the body, and the motor in the transmission mechanism is an electrified device, so that the motor can be damaged once water enters the motor in the process of cleaning the electric shaver, the closed space enables the whole driving transmission mechanism to have good sealing performance, the waterproof effect of the electric shaver is further superior to that of the electric shaver in a transmission driving mode, and the service life of the electric shaver is prolonged;
in the in-service use process, except adopting glue to bond, also can carry out the hot riveting with the fixed shell of initiative magnet and become an organic whole, and the integrated into one piece structure is convenient for wholly dismantle.
In a preferred embodiment of the present invention, the magnet fixing case and the body upper cover have an assembly gap with respect to a body case.
Because the driving magnet is arranged in the magnet fixing shell, an assembly gap is reserved between the magnet fixing shell and surrounding parts, the smaller the resistance force applied to the rotation of the magnet fixing shell is, the less the energy loss is, and the conversion rate of the kinetic energy is improved.
In a preferred embodiment of the invention, the fitting clearance is less than 5 mm.
Generally, the assembly gap is smaller than 5mm, if the assembly gap exceeds 5mm, the magnet fixing shell is far away from surrounding parts, and a larger assembly space of the lower shell is needed, so that the whole electric shaver is large and is not beneficial to use; if the assembly clearance is less than 5mm, then in case the back shaft rotates and produces small deviation, then can lead to the fixed shell of magnet to touch body upper cover or lower casing, cause the rotational speed to reduce, influence and use and feel.
In a preferred embodiment of the invention, the driving magnet is provided with a main auxiliary magnet adjacent to the driving magnet, the driven magnet is provided with a secondary auxiliary magnet adjacent to the driving magnet, and the main auxiliary magnet is magnetically connected with the secondary auxiliary magnet.
The first driving magnet drives the driven magnet to rotate; secondly, the upper shell and the lower shell are fixed in a magnetic attraction manner through the attraction of the driving magnet and the driven magnet;
outside above-mentioned initiative magnet and driven magnet, additionally set up main auxiliary magnet and follow auxiliary magnet, in concrete use, when guaranteeing that the edge of going up the casing contacts casing down, just probably because the existence of supplementary magnetism subassembly of inhaling has the suction force, can guide and go up the casing assembly on casing down, two magnetism subassemblies are inhaled the combined work, and magnetism effect is strengthened, can fix a position the assembly fast.
Drawings
Fig. 1 is a cross-sectional view of the prior art.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is an exploded view of the present invention (the lower housing portion structure is omitted).
Fig. 4 is a sectional view of the lower case of embodiment 1 of the present invention.
Fig. 5 is an exploded view of the main components of the lower case of the present invention.
Fig. 6 is a sectional view of the lower case of embodiment 2 of the present invention.
Fig. 7 is a sectional view of the lower case of embodiment 3 of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
An electric shaver comprises a main body component and a head cover component, wherein the head cover component is arranged on the main body component, the main body component comprises a lower shell and a driving unit arranged in the lower shell, the head cover component comprises a movable cutter unit and an upper shell used for supporting the movable cutter unit, a driving magnetic component is embedded in the lower shell, a driven magnetic component is embedded in the upper shell,
the electric shaver is static and is placed longitudinally, the magnetism of the driving magnetic assembly corresponding to the longitudinal direction of the driven magnetic assembly is in an opposite attraction state, the driving unit comprises a motor, and the moving blade unit is driven to rotate under the action of the motor, the driving magnetic assembly and the driven magnetic assembly; the central axes of the driving magnetic assembly and the driven magnetic assembly are coincident with the central axis of the electric shaver, and the central axis of the motor deviates from the central axis of the electric shaver by 4-8 cm; the torque applied by the motor to the driving magnetic component is 10-30g.cm, the preferable torque is 20g.cm, and the driving magnetic component can rotate quickly and stably.
In order to prevent water from entering the shell to influence the service life of the magnet in the process of cleaning the electric shaver, the driving magnetic component and the driven magnetic component are respectively coated by the lower shell and the upper shell for protection, during the operation, the driving magnetic component is driven by the motor to rotate at a high speed, the high speed rotation drives the driven magnetic component magnetically connected with the driving magnetic component to rotate, because the rotating speed of the two magnets is related to the rotating speed of the motor, the motor can be fixed by the motor bracket to prevent vibration, the two magnets are fixed by the magnet fixing shell, but the magnet fixing shell and the shell are not directly physically connected, if the two magnets are arranged in a way of deviating from the central axis of the electric shaver due to the vibration generated by the magnets in the rotating process, the magnet can generate vibration on one side of the electric shaver close to the shell, so that the hand feeling and the user experience are influenced; the initiative magnetic component, driven magnetic component set up in electric shaver's the central axis department in this scheme, because the vibration all produces at the central axis, the vibration is regional at the focus, can be because set up other parts and offset each other, and the vibration influence is minimum, has ensured two magnet pivoted stationarities.
Firstly, the motor for providing power for the driving magnetic assembly is eccentrically arranged compared with the central axis of the electric shaver, namely, the driving shaft of the motor is not placed at the central axis of the electric shaver, so that the motor can be randomly placed according to the design space, and the convenience of design is improved; secondly, if the distance between the central axis of the motor and the central axis of the electric shaver is less than 4cm, the motor can generate certain vibration in the rotating process, and the active magnetic component positioned at the central axis of the electric shaver is influenced to a certain extent due to the too close distance, so that the active magnetic component is not beneficial to work; if the distance between the central axis of the motor and the central axis of the electric shaver is more than 8cm, the installation space of the lower shell is too large, so that the electric shaver is inconvenient to hold.
Example 1:
referring to fig. 2 to 4, an electric shaver includes a main body assembly and a head cover assembly, the head cover assembly is disposed on the main body assembly, the main body assembly includes a lower housing B and a driving unit disposed in the lower housing B, the head cover assembly includes a movable blade unit and an upper housing a for supporting the movable blade unit, a driving magnetic assembly is embedded in the lower housing, a driven magnetic assembly is embedded in the upper housing, the electric shaver is in a static and longitudinally placed state, the magnetic properties of the driving magnetic assembly and the driven magnetic assembly corresponding to the longitudinal direction are in an opposite attraction state, the driving unit includes a motor 100, and the movable blade unit is driven to rotate under the actions of the motor 100, the driving magnetic assembly and the driven magnetic assembly; the central axes of the driving magnetic assembly and the driven magnetic assembly are coincident with the central axis of the electric shaver, and the central axis of the motor is offset from the central axis of the electric shaver by 4-8cm (refer to a dimension L in fig. 2).
Further, the central axis of the motor is offset from the central axis of the electric shaver by 6-7 cm. Preferably, the central axis of the motor is 6-7cm away from the central axis of the electric shaver, the size is most suitable for the process assembly of the motor, and the influence on the active magnet during the rotation process is least, and the size can be 6cm, 6.5cm and 7 cm.
Wherein the drive shaft of the motor provides kinetic energy to the driving magnet through a gear assembly 200 comprising at least two or more gears which mesh with the gear to adjust the gear ratio to match the rotational speed of the driving magnet.
The scheme adopts the gear assembly to transmit kinetic energy, the gear assembly can select gears of various types, so that the type of the whole motor is diversified, the motor is not limited to a motor with a single rotating speed, the motor can select 4000 + 5000r/min, 8000 + 10000r/min or 15000 + 20000r/min, different gears can be correspondingly selected according to the rotating speed of the selected motor, a gear ratio is matched, and finally the rotating speed of the stable driving magnet obtains good torque.
The gear ratio is 1: 1.5-1: 3, the rotating speed of the motor is changed through the gear, the gear ratio can be large or small, but if the gear ratio is larger than 1:3, the rotating speed of the driving magnet is too low after passing through a plurality of gears, and good torque cannot be achieved; if the gear ratio is less than 1:1.5, such as a gear ratio of 1:1, the significance of setting up the gear assembly is lost.
The two gears (the first gear 210 and the second gear 220) are used for explanation, the two gears with different diameters are meshed together to rotate, the rotating speed of the gear with a large diameter is naturally slower than that of the gear with a small diameter, and the rotating speed ratio of the gears is in inverse proportion to the diameter of the gear, so that the rotating speed received by the driving magnet is smoother through the arrangement of the large gear and the small gear; in which a second gear 220 (a gear of a larger diameter) is used in conjunction with the driving magnet because of the larger torque required by the driving magnet.
Preferably, the gear ratio in the scheme is 1:2, for example, when the rotating speed of the motor is 8000r/min, the rotating speed received by the driving magnet is 4000r/min, and the torque obtained at the rotating speed is 20 g.cm.
Further, the rotating speed of the motor in the scheme is 8000-10000 r/min. When the rotating speed of the motor is 8000r/min, the rotating speed received by the driving magnet is 4000r/min, and the torque obtained at the rotating speed is 20g.cm
Example 2:
the assembly of an eccentric motor and gear assembly is given as example 1 for achieving the magnetic attraction.
Referring to fig. 5, in which the electric shaver includes a motor bracket 500, the motor 100 is fixed to the lower case B by the motor bracket 500, the motor bracket 500 covers an upper end of the motor, and the driving shaft 110 of the motor 100 penetrates the motor bracket 500 and is coupled to the gear assembly 200.
Because the motor is at the rotation in-process, the certain degree can produce the vibration, in order to reduce the vibration, adopts fixed motor support, and motor support only fixes the upper end of motor, because the output power of drive shaft is outwards exported by the drive shaft, can reach the anticipated effect with the firm rule of the upper end of motor, adopt few materials to realize the technological effect of biggest reduction vibration promptly.
Further, the driving magnetic assembly employs a driving magnet 300, and the driven magnetic assembly employs a driven magnet 400.
The driving magnetic component and the driven magnetic component are matched with each other, the driving magnetic component adopts a magnet, and the driven magnet is provided with a magnet matched with the magnet, or a magnetic material piece (such as iron, cobalt, nickel and the like) or a magnetic coating (such as iron, cobalt and nickel coatings).
For example, the driving magnetic component adopts a magnet, and the driven magnetic component is also provided with a magnet; or the driving magnetic assembly adopts a magnet, and the driven magnetic assembly is made of a magnetic material piece which can be magnetically adsorbed by the magnet; or the driving magnetic component is provided with a magnet, and the driven magnetic component is provided with a coating which is magnetically adsorbed with the magnet; alternatively, the driving magnetic assembly is provided with a magnet, and the driven magnetic assembly is made of plastic embedded magnetic material pieces or a part of the driven magnetic assembly is made of magnetic material pieces. Or the driving magnetic component is provided with a magnet, and the scheme of the driven magnetic component has the combination of the above examples. When the driven magnetic component is provided with a magnet, the driving magnetic component is provided with a magnet or a magnetic material or a magnetic coating, which can be referred to the above examples.
Referring to fig. 6, the lower case B includes a body upper cover 800 and a body outer case 900, and a magnet fixing case 600, the body upper cover 800 and the body outer case 900 form a closed cavity, the magnet fixing case 600 is located in the closed cavity, and the active magnet 300 is fixedly connected to the magnet fixing case 600 through glue.
In which the magnet fixing case 600 generates force transmission with the second gear 220 through the support shaft 700, and the first gear engaged with the second gear 220 is fixed to the driving shaft 110 of the motor 100.
The lower shell forms a closed space through the upper body cover and the outer shell of the body, and the motor in the transmission mechanism is an electrified device, so that the motor can be damaged once water enters the motor in the process of cleaning the electric shaver, the closed space enables the whole driving transmission mechanism to have good sealing performance, the waterproof effect of the electric shaver is further superior to that of the electric shaver in a transmission driving mode, and the service life of the electric shaver is prolonged; in the in-service use process, except adopting glue to bond, also can carry out the hot riveting with the fixed shell of initiative magnet and become an organic whole, and the integrated into one piece structure is convenient for wholly dismantle.
Specifically, there is an assembly gap between the magnet fixing case 600 and the body upper cover 800 and the body case 900, that is, the magnet fixing case 600 does not physically rub directly with other components during rotation, which reduces frictional resistance and improves energy utilization.
Because the driving magnet is arranged in the magnet fixing shell, an assembly gap is reserved between the magnet fixing shell and surrounding parts, the smaller the resistance force applied to the rotation of the magnet fixing shell is, the less the energy loss is, and the conversion rate of the kinetic energy is improved.
The assembly gap is less than 5 mm. Generally, the assembly gap is smaller than 5mm, if the assembly gap exceeds 5mm, the magnet fixing shell is far away from surrounding parts, and a larger assembly space of the lower shell is needed, so that the whole electric shaver is large and is not beneficial to use; if the assembly clearance is less than 5mm, then in case the back shaft rotates and produces small deviation, then can lead to the fixed shell of magnet to touch body upper cover or lower casing, cause the rotational speed to reduce, influence and use and feel.
Example 3:
in addition to the electric shaver described in embodiments 1 to 2, an auxiliary magnetic attraction member is further included, wherein the auxiliary magnetic attraction member is only used for magnetically attracting and fixing the upper housing and the lower housing, and the operating state is not rotated.
Referring to fig. 7, in the present embodiment, the auxiliary magnetic attraction assembly includes a lower auxiliary magnet 310 and an upper auxiliary magnet 410, and the magnetic properties of the lower auxiliary magnet and the upper auxiliary magnet corresponding to the longitudinal direction are in opposite attraction states.
The supplementary subassembly of inhaling is inhaled to magnetism can rotate in comparison with initiative magnet, driven magnet, and it is in quiescent condition, and the lower supplementary magnet that corresponds promptly all firmly fixes on the mounted position with last supplementary magnet, and supplementary magnetism subassembly only plays the effect of pure actuation and is connected casing and last casing down, no matter the change of the inside other parts of casing and the lower casing of going up, and the effect is focused on.
In the embodiment 1-3, the driving magnet and the driven magnet are identified as the main magnetic attraction component, the main magnetic attraction component and the auxiliary magnetic attraction component are arranged simultaneously in the scheme, the two magnetic attraction components are matched with each other for use, and firstly, once the main magnetic attraction component fails, the auxiliary magnetic attraction component can be used continuously; in second, the in-service use process, the surface of lower casing and last casing contacts each other and forms the contact surface, and main magnetism inhales the subassembly and inhale the subassembly with supplementary magnetism and apply magnetic attraction to the contact surface of difference respectively, and magnetic attraction influence range is different promptly, and the atress equilibrium of casing and last casing has been guaranteed down to this mode, reaches the cooperation of closely inhaling magnetism. Thirdly, the main magnetic suction component and the auxiliary magnetic suction component respectively comprise at least two magnetic suction components, and the number of the magnetic suction components can be 2, 3 or 4; for example, if the number of the main magnetic attraction components is 2, one is located in the upper shell, the other is located in the lower shell, and the magnets attract each other in opposite polarities to attract and connect the lower shell and the upper shell; the assembly mode of the auxiliary magnetic component is the same.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An electric shaver comprises a main body component and a head cover component, wherein the head cover component is arranged on the main body component, the main body component comprises a lower shell and a driving unit arranged in the lower shell, the head cover component comprises a movable cutter unit and an upper shell used for supporting the movable cutter unit, a driving magnetic component is embedded in the lower shell, a driven magnetic component is embedded in the upper shell,
the electric shaver is characterized in that under the static and longitudinal placing state of the electric shaver, the magnetism of the driving magnetic component corresponding to the longitudinal direction of the driven magnetic component is in the opposite attraction state, the driving unit comprises a motor, and the moving blade unit is driven to rotate under the action of the motor, the driving magnetic component and the driven magnetic component; the central axes of the driving magnetic component and the driven magnetic component are coincident with the central axis of the electric shaver, the central axis of the motor deviates from the central axis of the electric shaver by 4-8cm, and the torque applied to the driving magnetic component by the motor is 10-30 g.cm.
2. An electric shaver as claimed in claim 1, wherein the central axis of the motor is offset from the central axis of the electric shaver by 6-7 cm.
3. The electric shaver as set forth in claim 1, wherein the driving shaft of the motor provides kinetic energy to the driving magnet assembly through a gear assembly, the gear assembly comprising at least two or more gears, the gear engagement of the gears matching a gear ratio to adapt a rotational speed of the driving magnet assembly.
4. An electric shaver as claimed in claim 3, characterized in that the gear ratio is 1: 1.5-1: 3.
5. an electric shaver as claimed in any one of claims 1-4, wherein the rotational speed of the motor is 8000-10000 r/min.
6. The electric shaver as set forth in claim 5, wherein the driving magnetic assembly employs driving magnets and the driven magnetic assembly employs driven magnets.
7. The electric shaver according to claim 6, wherein the lower housing comprises a body upper cover and a body outer shell, and a magnet fixing shell, the body upper cover and the body outer shell form a closed cavity, the magnet fixing shell is located in the closed cavity, and the active magnet is fixedly connected with the magnet fixing shell through glue.
8. The electric shaver as set forth in claim 7, wherein the magnet fixing case has an assembly gap with the body upper cover and the lower case.
9. An electric shaver as claimed in claim 8, wherein the assembly gap is less than 5 mm.
10. The electric shaver as set forth in claim 6, wherein said driving magnet is disposed adjacent to said main auxiliary magnet, said driven magnet is disposed adjacent to said auxiliary magnet, and said main auxiliary magnet is magnetically attracted to said auxiliary magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705937.7U CN210233119U (en) | 2019-05-17 | 2019-05-17 | Electric shaver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705937.7U CN210233119U (en) | 2019-05-17 | 2019-05-17 | Electric shaver |
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| Publication Number | Publication Date |
|---|---|
| CN210233119U true CN210233119U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920705937.7U Active CN210233119U (en) | 2019-05-17 | 2019-05-17 | Electric shaver |
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| CN (1) | CN210233119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941473A (en) * | 2019-05-17 | 2020-11-17 | 焕醒科技（杭州）有限公司 | Electric shaver |
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2019
- 2019-05-17 CN CN201920705937.7U patent/CN210233119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941473A (en) * | 2019-05-17 | 2020-11-17 | 焕醒科技（杭州）有限公司 | Electric shaver |
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