CN111941470A - Electric shaver connected through magnetic attraction - Google Patents
Electric shaver connected through magnetic attraction Download PDFInfo
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- CN111941470A CN111941470A CN201910413450.6A CN201910413450A CN111941470A CN 111941470 A CN111941470 A CN 111941470A CN 201910413450 A CN201910413450 A CN 201910413450A CN 111941470 A CN111941470 A CN 111941470A
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- magnet
- shell
- electric shaver
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- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/14—Clippers 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
- B26B19/40—Lubricating
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
The invention provides a magnetic suction connected electric shaver, which comprises a main body component and a head cover component, wherein 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 magnet is embedded in the lower shell, a driven magnet is embedded in the upper shell, the driving unit comprises a motor, the lower shell comprises a body shell and a body upper cover, the body upper cover and the body shell form a closed cavity, the magnetic suction type electric shaver also comprises a magnet fixing shell positioned in the closed cavity, the driving magnet is fixedly assembled in the magnet fixing shell, the motor is connected with the magnet fixing shell, and the movable cutter unit is driven to rotate under the action of the motor, the driving magnet and the driven magnet; the magnet fixing shell, the body upper cover and the body shell form an assembly gap. Adopt magnetism to inhale and carry out the erection joint, change the mode of mechanical dismantlement among the prior art.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a magnetic attraction connection electric shaver.
Background
The electric shaver generally comprises a main body component and a cutter head component connected with the main body component, the main body component generally comprises a body, a driving unit, a battery and a charging port, the cutter head component generally comprises a cutter mesh, a movable cutter unit, a shell, a transmission unit and the like, and the movable cutter unit rotates under the action of the driving unit and the transmission unit.
Rotatory electric shaver of three tool bits current, for the convenience of the washing of tool bit subassembly, set up tool bit subassembly and main part subassembly components of a whole that can function independently, it transmits drive unit's power for moving the tool bit unit simultaneously to be equipped with transmission unit in the tool bit subassembly generally, the tool bit subassembly is including the last casing that is used for installing the sword net and the lower casing that is used for installing transmission unit, generally, the cooperation mode of going up casing and lower casing is that the casing passes through buckle structure and cooperates firmly with lower casing, in case certain part damages, when dismantling, need just can dismantle through great power, and there is the risk of detaining the fingernail, the dead angle also can exist in the setting of buckle simultaneously.
Disclosure of Invention
The invention aims to provide a magnetic attraction connected electric shaver, wherein the electric shaver is assembled and connected by adopting magnetic attraction, the mechanical disassembly mode in the prior art is changed, and the kinetic energy is transmitted by adopting the magnetic attraction mode; in order to better realize transmission, the magnetic attraction rotating part is provided with an assembly gap and an anti-abrasion lubricating piece, so that the energy conversion rate is improved, the sealing effect is good, the waterproof performance is good, the later maintenance is convenient, and the service life is prolonged.
In order to achieve the above object, the present invention provides a magnetic suction connection electric shaver, which comprises 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 shell and a driving unit arranged in the lower shell, the head cover assembly comprises a movable cutter unit and an upper shell for supporting the movable cutter unit, a driving magnet is embedded in the lower shell, a driven magnet is embedded in the upper shell,
when the electric shaver is in a static and longitudinally placed state, the magnetism of the driving magnet corresponding to the driven magnet in the longitudinal direction is in an opposite attraction state,
the driving unit comprises a motor, the lower shell comprises a body shell and a body upper cover, the body upper cover and the body shell form a closed cavity, the driving magnetic body is fixedly assembled in the magnet fixed shell, the motor is connected with the magnet fixed shell, and the moving blade unit is driven to rotate under the action of the motor, the driving magnetic body and the driven magnetic body; assembly gaps are reserved among the magnet fixing shell, the body upper cover and the body shell; the rotating speed of the motor is 5000-10000 r/min. The proper motor speed ensures that the gear assembly is well meshed, and the torque obtained at the speed is 20g.cm, so that the driving magnet can rotate.
As can be seen from the above description, the motor is directly connected to the magnet fixing housing, and the driving magnet is fixed to the magnet fixing housing, that is, the motor rotates to drive the magnet fixing housing to rotate, and further drive the driving magnet to rotate, so as to sum up, the moving blade unit is driven to rotate by the motor, the driving magnet and the driven magnet;
further in order to protect the driving magnet, the magnet fixing shell is assembled in a closed space formed by the body upper cover and the body shell, and the motor in the transmission mechanism is an electrifying device, so that the motor can be damaged once water enters the motor in the process of cleaning the electric shaver, the whole lower shell has good sealing performance due to the closed space, 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 addition, the driving magnet is arranged in the magnet fixing shell, so that 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 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 present invention, an anti-wear lubricating member is disposed between the body upper cover and the magnet fixing case in the axial direction.
Because the body upper cover covers the assembly of the magnet fixing shell, in order to better realize the smooth rotation of the magnet fixing shell, an anti-abrasion lubricating piece is arranged between the body upper cover and the magnet fixing shell, the upper surface of the anti-abrasion lubricating piece is abutted against the inner surface of the body upper cover, the lower surface of the anti-abrasion lubricating piece is abutted against the magnet fixing shell, the smooth surface of the anti-abrasion lubricating piece is utilized to reduce the friction coefficient, so that the friction force between the body upper cover and the magnet fixing shell is reduced, the abrasion of the body upper cover and the magnet fixing shell is reduced, and the influence of the body upper cover on the magnet fixing shell in the rotation process is reduced to the minimum; the motor load is reduced, the load current of the motor is reduced, if the friction coefficient of the two parts is too large, the normal rotation of the magnet fixing shell can be ensured only by the motor with larger power, and the smooth rotation can be realized by adopting the anti-abrasion lubricating piece and the motor with smaller power.
In a preferred embodiment of the invention, the motor is connected with the magnet fixing shell through an adaptor, the adaptor penetrates through the magnet fixing shell and is fixed with the magnet fixing shell, the anti-abrasion lubricating piece is sleeved on the adaptor in a surrounding manner, and the adaptor drives the magnet fixing shell to rotate synchronously in the rotating process.
In the scheme, the motor is not directly connected with the driving magnet to conduct force, but conducts by means of the adapter, the adapter is tightly matched and connected with the magnet fixing shell, the adapter and the magnet fixing shell are assembled into a whole, and the kinetic energy conversion of the motor is more diversified due to the arrangement of the adapter;
in addition, the anti-abrasion lubricating piece is sleeved on the adapter piece in a surrounding mode, and the anti-abrasion lubricating piece is fixed by a cavity formed by the body upper cover and the magnet fixing shell, so that the anti-abrasion lubricating piece can balance the stability of the adapter piece in high-speed rotation of the adapter piece, and the adapter piece is prevented from shaking left and right.
In a preferred embodiment of the present invention, the adaptor is a metal support shaft.
The adapter piece can be integrally formed with the magnet fixing shell, or can belong to two different components with the magnet fixing shell, and the adapter piece is an independent component for detailed description in the scheme; in the actual use process, the adapter adopts a support shaft which is connected with a drive shaft of the motor;
furthermore, the requirement on the strength of the support shaft is high due to long-time high-speed rotation, so that the support shaft made of metal can still maintain high strength after long-time use, and the service life is long; above-mentioned metal material is preferred copper, and the copper material knurling processing of being convenient for is handled, and the back shaft after the knurling is handled promptly is more convenient for be connected with the magnet set casing.
In a preferred embodiment of the present invention, the upper surface and the lower surface of the anti-wear lubrication member are arranged parallel to each other.
In this scheme, upper surface and lower surface parallel arrangement form comparatively level and smooth surface, and this structure does benefit to the rotatory rotation of magnet set casing.
In a preferred embodiment of the present invention, the anti-wear lubricating element is an annular gasket, and the inner diameter of the annular gasket is slightly larger than the outer diameter of the supporting shaft.
The annular gasket is arranged, so that the process assembly of the anti-abrasion lubricating piece is facilitated, and the slotting treatment on the magnet fixing shell, the support shaft or the upper cover of the body is not required additionally, so that the anti-abrasion lubricating piece is more convenient;
the inner diameter of the annular gasket is slightly larger than the outer diameter of the supporting shaft, so that the top of the supporting shaft can be conveniently inserted into the assembling groove after the supporting shaft penetrates through the annular gasket.
In a preferred embodiment of the invention, the thickness of the annular gasket is less than 5 mm.
If the thickness of the annular gasket is larger than 5mm, the contact area between the inner surface of the annular gasket and the supporting shaft is increased, the friction force of the supporting shaft is increased to a certain extent, and the effects of reducing the load of the motor and reducing the load current of the motor are not facilitated to be achieved;
preferably, the annular gasket has a thickness of 2mm, which is sufficient to ensure good lubrication.
In a preferred embodiment of the present invention, the anti-wear lubrication member is made of teflon.
Among them, polytetrafluoroethylene (abbreviated as PTFE) is generally called "non-stick coating" or "easy-to-clean material", and more applications are applied in the polytetrafluoroethylene food industry, and the cost is low; and the polytetrafluoroethylene has extremely low friction coefficient and can play a role in lubrication, so that the magnet fixing shell and the upper cover of the body are effectively prevented from rubbing with each other to generate scraps, lubricating oil is not required to be added, the abrasion of parts can be reduced, and the service life is prolonged.
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 perspective view of the present invention.
Fig. 2 is a cross-sectional view of a perspective view of the present invention.
Fig. 3 is an exploded view of the main components of the perspective view of the present invention.
Fig. 4 is a cross-sectional view of the lower case 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 schematic structural view of the anti-wear lubricating member of the present invention.
FIG. 7 is a cross-sectional view of example 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 connected by magnetic attraction 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 magnet is embedded in the lower shell, a driven magnet is embedded in the upper shell, the electric shaver is static and is vertically placed, the driving magnet and the magnetic corresponding to the driven magnet in the vertical direction are in opposite attraction states,
the driving unit comprises a motor, the lower shell comprises a body shell and a body upper cover, the body upper cover and the body shell form a closed cavity, the driving magnetic body is fixedly assembled in the magnet fixed shell, the motor is connected with the magnet fixed shell, and the moving blade unit is driven to rotate under the action of the motor, the driving magnetic body and the driven magnetic body; the magnet fixing shell and the body upper cover form an assembly gap with the body shell; the rotating speed of the motor is 5000-10000 r/min. The proper motor speed ensures that the gear assembly is well meshed, and the torque obtained at the speed is 20g.cm, so that the driving magnet can rotate.
As can be seen from the above description, the motor is directly connected to the magnet fixing housing, and the driving magnet is fixed to the magnet fixing housing, that is, the motor rotates to drive the magnet fixing housing to rotate, and further drive the driving magnet to rotate, so as to sum up, the moving blade unit is driven to rotate by the motor, the driving magnet and the driven magnet;
further in order to protect the driving magnet, the magnet fixing shell is assembled in a closed space formed by the body upper cover and the body shell, and the motor in the transmission mechanism is an electrifying device, so that the motor can be damaged once water enters the motor in the process of cleaning the electric shaver, the whole lower shell has good sealing performance due to the closed space, 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 addition, the driving magnet is arranged in the magnet fixing shell, so that 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 kinetic energy is improved.
Example 1:
as shown in fig. 1-5, a magnetic-attraction-connected 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 magnet 300 is embedded in the lower housing B, a driven magnet 400 is embedded in the upper housing, the driving magnet 300 and the driven magnet 400 are in opposite attraction states in the magnetic directions corresponding to the longitudinal directions of the driving magnet 300 and the driven magnet 400 when the electric shaver is stationary and vertically placed,
the driving unit comprises a motor 100, the lower shell B comprises a body shell 800 and a body upper cover 900, the body shell 800 and the body upper cover 900 form a closed cavity, the driving motor further comprises a magnet fixing shell 600 positioned in the closed cavity, the driving magnet 300 is fixedly assembled in the magnet fixing shell, the motor 100 is connected with the magnet fixing shell 600, and the moving blade unit C is driven to rotate under the action of the motor 100, the driving magnet 300 and the driven magnet 400; the magnet fixing case 600 has an assembly gap with the body cover 800 and the body case 900. (the rotating speed of the motor is 5000-10000 r/min).
Wherein the motor 100 can directly provide kinetic energy to the driving magnet 300, or can be gear-coupled through the gear assembly 200.
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.
An anti-abrasion lubricating piece 500 is arranged between the body upper cover 800 and the magnet fixing shell 600 in the axial direction. Because the body upper cover covers the assembly of the magnet fixing shell, in order to better realize the smooth rotation of the magnet fixing shell, an anti-abrasion lubricating piece is arranged between the body upper cover and the magnet fixing shell, the upper surface of the anti-abrasion lubricating piece is abutted against the inner surface of the body upper cover, the lower surface of the anti-abrasion lubricating piece is abutted against the magnet fixing shell, the smooth surface of the anti-abrasion lubricating piece is utilized to reduce the friction coefficient, so that the friction force between the body upper cover and the magnet fixing shell is reduced, the abrasion of the body upper cover and the magnet fixing shell is reduced, and the influence of the body upper cover on the magnet fixing shell in the rotation process is reduced to the minimum; the motor load is reduced, the load current of the motor is reduced, if the friction coefficient of the two parts is too large, the normal rotation of the magnet fixing shell can be ensured only by the motor with larger power, and the smooth rotation can be realized by adopting the anti-abrasion lubricating piece and the motor with smaller power.
Further, the central axis of the motor is offset from the central axis of the electric shaver by 4-8cm as shown in fig. 5. In order to prevent water from entering the shell to influence the service life of the magnets in the process of cleaning the electric shaver, the driving magnets and the driven magnets are respectively coated through the lower shell and the upper shell for protection, in the specific working process, the driving magnets are driven by the rotation of a motor to rotate at a high speed, the driven magnets which are in magnetic attraction connection with the driving magnets are driven to rotate by the high-speed rotation, the motor can be fixed through a motor support to prevent vibration due to the fact that the rotating speeds of the two magnets are related to the rotating speed of the motor, the two magnets are fixed through a magnet fixing shell, but the magnet fixing shell is not in direct physical connection with the shell, and the magnets vibrate during the rotating process; the driving magnet and the driven magnet are arranged at the central axis of the electric shaver, and vibration is generated at the central axis and in the gravity center area, so that the vibration is counteracted with other components, the vibration influence is lowest, and the rotating stability of the two magnets is guaranteed.
Firstly, the motor for providing power for the driving magnet 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 placed at will 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 driving magnet positioned at the central axis of the electric shaver can be influenced to a certain extent due to the too close distance, so that the driving magnet 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 2:
the assembling structure of the magnet fixing case is disclosed as embodiment 1, but there is a factor that affects the rotation during the rotation, and this embodiment will be explained.
As shown in fig. 5, the motor 100 is connected to the magnet fixing housing 600 through an adaptor 700, the adaptor 700 penetrates through the magnet fixing housing 600 and is fixed thereto, the anti-wear lubricating member 500 is sleeved around the adaptor, and the adaptor 700 drives the magnet fixing housing to rotate synchronously during rotation.
In the scheme, the motor is not directly connected with the driving magnet to conduct force, but conducts by means of the adapter, the adapter is tightly matched and connected with the magnet fixing shell, the adapter and the magnet fixing shell are assembled into a whole, and the kinetic energy conversion of the motor is more diversified due to the arrangement of the adapter;
in addition, the anti-abrasion lubricating piece is sleeved on the adapter piece in a surrounding mode, and the anti-abrasion lubricating piece is fixed by a cavity formed by the body upper cover and the magnet fixing shell, so that the anti-abrasion lubricating piece can balance the stability of the adapter piece in high-speed rotation of the adapter piece, and the adapter piece is prevented from shaking left and right.
The adaptor 700 is a support shaft made of metal. The adapter piece can be integrally formed with the magnet fixing shell, or can belong to two different components with the magnet fixing shell, and the adapter piece is an independent component for detailed description in the scheme; in the actual use process, the adapter adopts a support shaft which is connected with a drive shaft of the motor;
furthermore, the requirement on the strength of the support shaft is high due to long-time high-speed rotation, so that the support shaft made of metal can still maintain high strength after long-time use, and the service life is long; above-mentioned metal material is preferred copper, and the copper material knurling processing of being convenient for is handled, and the back shaft after the knurling is handled promptly is more convenient for be connected with the magnet set casing.
As shown in fig. 6, the upper and lower surfaces of the wear-resistant lubricating member 500 are parallel to each other. In this scheme, upper surface and lower surface parallel arrangement form comparatively level and smooth surface, and this structure does benefit to the rotatory rotation of magnet set casing.
As shown in fig. 6, further, the anti-wear lubricating element 500 is an annular gasket, and the inner diameter of the annular gasket is slightly larger than the outer diameter of the supporting shaft.
The annular gasket is arranged, so that the process assembly of the anti-abrasion lubricating piece is facilitated, and the slotting treatment on the magnet fixing shell, the support shaft or the upper cover of the body is not required additionally, so that the anti-abrasion lubricating piece is more convenient;
the inner diameter of the annular gasket is slightly larger than the outer diameter of the supporting shaft, so that the top of the supporting shaft can be conveniently inserted into the assembling groove after the supporting shaft penetrates through the annular gasket.
And wherein the thickness of the annular gasket is less than 5 mm. If the thickness of the annular gasket is larger than 5mm, the contact area between the inner surface of the annular gasket and the supporting shaft is increased, the friction force of the supporting shaft is increased to a certain extent, and the effects of reducing the load of the motor and reducing the load current of the motor are not facilitated to be achieved; preferably, the annular gasket has a thickness of 2mm, which is sufficient to ensure good lubrication.
In conclusion, the anti-abrasion lubricating piece is made of polytetrafluoroethylene. Among them, polytetrafluoroethylene (abbreviated as PTFE) is generally called "non-stick coating" or "easy-to-clean material", and more applications are applied in the polytetrafluoroethylene food industry, and the cost is low; and the polytetrafluoroethylene has extremely low friction coefficient and can play a role in lubrication, so that the magnet fixing shell and the upper cover of the body are effectively prevented from rubbing with each other to generate scraps, lubricating oil is not required to be added, the abrasion of parts can be reduced, and the service life is prolonged.
Example 3:
in addition to the electric shaver described in embodiments 1-2, the electric shaver further includes an auxiliary magnetic attraction assembly, wherein the auxiliary magnetic attraction assembly is only used for magnetically fixing the driving magnetic attraction assembly and the driven magnetic attraction assembly, and the working state is not rotated.
The auxiliary magnetic attraction assembly comprises a main auxiliary magnet 310 and an 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 state.
The driving magnet 300 is adjacently provided with a main auxiliary magnet 310, the driven magnet 400 is adjacently provided with a auxiliary magnet 410, and the main auxiliary magnet is magnetically connected with the 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.
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 connected by magnetic attraction 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 magnet is embedded in the lower shell, a driven magnet is embedded in the upper shell, the electric shaver is characterized in that,
when the electric shaver is in a static and longitudinally placed state, the magnetism of the driving magnet corresponding to the driven magnet in the longitudinal direction is in an opposite attraction state,
the driving unit comprises a motor, the lower shell comprises a body shell and a body upper cover, the body upper cover and the body shell form a closed cavity, the driving magnetic body is fixedly assembled in the magnet fixed shell, the motor is connected with the magnet fixed shell, and the moving blade unit is driven to rotate under the action of the motor, the driving magnetic body and the driven magnetic body; assembly gaps are reserved among the magnet fixing shell, the body upper cover and the body shell; the rotating speed of the motor is 5000-10000 r/min.
2. A magnetically attached electric shaver as claimed in claim 1 wherein the assembly gap is less than 5 mm.
3. The magnetically attached electric shaver according to claim 1 or 2, wherein an anti-wear lubricant is disposed between the upper cover of the body and the magnet fixing housing in the axial direction.
4. The magnetically attached electric shaver as claimed in claim 3, wherein the motor is connected to the magnet housing through an adaptor, the adaptor passes through and is fixed to the magnet housing, the anti-wear lubrication member is circumferentially disposed on the adaptor, and the adaptor rotates to drive the magnet housing to rotate synchronously.
5. The magnetically attached electric shaver of claim 4, wherein the adaptor is a metal support shaft.
6. A magnetically attached electric shaver as claimed in claim 3 wherein the upper and lower surfaces of the anti-wear slider are parallel to each other.
7. The magnetically attached electric shaver set forth in claim 6, wherein said anti-wear lubrication member is an annular spacer having an inner diameter slightly larger than an outer diameter of said supporting shaft.
8. The magnetically attached electric shaver of claim 6, wherein the thickness of the annular spacer is less than 5 mm.
9. The magnetically attached electric shaver of claim 3, wherein the anti-wear emollient is made of PTFE.
10. The magnetically attached electric shaver as claimed in claim 1, wherein the driving magnet is disposed adjacent to the main auxiliary magnet, the driven magnet is disposed adjacent to the auxiliary magnet, and the main auxiliary magnet is magnetically attached to the auxiliary magnet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910413450.6A CN111941470A (en) | 2019-05-17 | 2019-05-17 | Electric shaver connected through magnetic attraction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910413450.6A CN111941470A (en) | 2019-05-17 | 2019-05-17 | Electric shaver connected through magnetic attraction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157328A (en) * | 2022-04-11 | 2022-10-11 | 温州朗驰实业有限公司 | Self-lubricating tool bit and razor |
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| CN115157328A (en) * | 2022-04-11 | 2022-10-11 | 温州朗驰实业有限公司 | Self-lubricating tool bit and razor |
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