CN214908516U - Handle and personal care equipment - Google Patents

Abstract

The embodiment of the utility model discloses handle and personal care equipment relates to personal care technical field. The handle includes a housing having an inner wall; the handle still includes the drain pan, this drain pan includes the circumference wall that sets up with the inner wall is relative, be equipped with a plurality of ring channels that encircle the circumference wall and set up along the axial interval of casing on the circumference wall, the sealing member part is acceptd in the ring channel, the sealing member has evagination in circumference wall part promptly, the circumference wall can be supported the sealing member and locate the inner wall, so that seal between inner wall and the circumference wall, thereby form a plurality of seal structure, when outermost seal structure waterproof failure, inferior outer seal structure can continue to guarantee the waterproof performance between inner wall and the circumference wall, thereby guarantee that personal care equipment can use in moist or the environment that has water for a long time.

Description

Handle and personal care equipment

Technical Field

The utility model relates to a personal care technical field especially relates to a handle and personal care equipment.

Background

The personal care equipment for cleaning the oral cavity is used in a wet or water environment for a long time, the waterproof mechanism at the joint of the shell of the personal care equipment is out of work due to the aging of parts, the expansion and contraction of the ambient air temperature and the breeding of bacteria, the waterproof performance of the IPX7 is affected, the service life of the product is shortened, and particularly the waterproof mechanism at the bottom of the shell is easy to fail due to the vertical placement form of the personal care equipment.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a handle and a personal care device, which aim to solve the problem that the waterproof mechanism at the bottom of the shell of the existing personal care device is easy to lose effectiveness.

In order to solve the technical problem, the utility model discloses a technical scheme one is:

a handle, comprising:

a housing comprising an inner wall;

the bottom shell comprises a circumferential wall arranged opposite to the inner wall, a plurality of annular grooves arranged around the circumferential wall are formed in the circumferential wall, and the annular grooves are arranged at intervals along the axial direction of the shell; and

the sealing piece is partially accommodated in the annular groove, and the circumferential wall can abut the sealing piece on the inner wall so as to seal the inner wall and the circumferential wall.

In some embodiments of the handle, the inner wall encloses to form an accommodating space, the housing is provided with a mounting hole communicated with the accommodating space, the bottom case comprises a cover body and an elastic member arranged on the cover body, the elastic member is inserted into the accommodating space through the mounting hole so as to enable the cover body to cover the mounting hole, and the circumferential wall is formed on the elastic member.

In some embodiments of the handle, the resilient member includes a first end connected to the cover, and the annular grooves are spaced apart from the first end in an axial direction of the housing.

In some embodiments of the handle, one end of the elastic member, which is away from the cover, is provided with a first elastic arm, the inner wall and the first elastic arm are arranged at an interval to form an insertion gap, the handle further comprises a frame body, the frame body is accommodated in the accommodating space, the frame body is provided with a second elastic arm, which is located in the insertion gap, and the first elastic arm can abut against the second elastic arm on the inner wall.

In some embodiments of the handle, a through groove is formed on one side of the first elastic arm facing the insertion gap, and a protrusion clamped with the through groove is formed on the second elastic arm.

In some embodiments of the handle, a first guide part is arranged on one side of the first elastic arm away from the elastic part, and a second guide part matched with the first guide part is arranged on the protrusion, so that the protrusion is clamped with the through groove.

In some embodiments of the handle, a connecting arm is disposed on the first elastic arm, and the connecting arm is disposed away from the insertion gap and is received in the through groove.

In some embodiments of the handle, a protruding portion is arranged on one side, away from the protruding portion, of the second elastic arm, a sinking groove communicated with the insertion gap is formed in the inner wall, and the protruding portion is clamped with the sinking groove.

In some embodiments of the handle, a third guide portion is disposed on the inner wall, and a fourth guide portion for cooperating with the third guide portion is disposed on the second elastic arm, so as to guide the protruding portion to the sinking groove.

In some embodiments of the handle, the inner wall is provided with a stop surface extending to the sink groove for preventing the protrusion from being removed from the sink groove.

In some embodiments of the handle, the handle further includes a power source and a coil, the power source is disposed on the frame body, the coil can generate an induced current to charge the power source, and the frame body can abut the coil on the cover body.

In some embodiments of the handle, a first damping member is further disposed between the frame body and the coil.

In order to solve the technical problem, the utility model discloses a technical scheme two be:

a personal care appliance comprising a handle as described above.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the handle application of the above solution is equipped in a personal care apparatus, which in addition to providing the personal care apparatus with excellent oral cleaning performance, can itself avoid water-repellent failure at the seams at the bottom of the personal care apparatus. Specifically, the handle includes a housing having an inner wall; the handle still includes the drain pan, this drain pan includes the circumference wall that sets up with the inner wall is relative, be equipped with a plurality of ring channels that encircle the circumference wall and set up along the axial interval of casing on the circumference wall, the sealing member part is acceptd in the ring channel, the sealing member has evagination in circumference wall part promptly, the circumference wall can be supported the sealing member and locate the inner wall, so that seal between inner wall and the circumference wall, thereby form a plurality of seal structure, when outermost seal structure waterproof failure, inferior outer seal structure can continue to guarantee the waterproof performance between inner wall and the circumference wall, thereby guarantee that personal care equipment can use in moist or the environment that has water for a long time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

FIG. 1 is a partial cross-sectional view of a handle in one embodiment;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 2;

FIG. 4 is an exploded view of the handle of FIG. 1;

FIG. 5 is an enlarged view of the portion C of FIG. 4;

fig. 6 is a schematic structural view of a bottom shell in the handle shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Embodiments of the present application provide a personal care appliance, which is essentially a power toothbrush, an oral cleaning device. The personal care appliance includes a handle and a brush head (not shown) at one end of the handle. It is understood that in other embodiments, the personal care appliance may also be a dental irrigator or prophy angle.

Specifically, as shown in fig. 1 and 2, the handle includes a housing 10, a movement assembly 20, and a bottom case 30. The shell 10 comprises an inner wall, an accommodating space is formed by the inner wall in a surrounding mode, the shell 10 is provided with a through hole 11 and a mounting hole 12 which are communicated with the accommodating space, and the through hole 11 and the mounting hole 12 are respectively arranged at two ends of the shell 10 along the axial direction of the shell 10. The movement assembly 20 is mounted in the accommodating space through the mounting hole 12, the movement assembly 20 comprises an output end 21, and the output end 21 can extend out through the through hole 11. The bottom shell 30 covers the mounting hole 12, the bottom shell 30 comprises a circumferential wall 31 opposite to the inner wall, a plurality of annular grooves 311 arranged around the circumferential wall 31 are arranged on the circumferential wall 31, and the annular grooves 311 are arranged at intervals along the axial direction of the shell 10; the handle also includes a plurality of sealing members 40, each sealing member 40 corresponding to each annular groove 311. The seal 40 is partially received in the annular groove 311, and the circumferential wall 31 is capable of abutting the seal 40 against the inner wall to seal between the inner wall and the circumferential wall 31.

To sum up, implement the embodiment of the utility model provides a, will have following beneficial effect: the handle application of the above solution is equipped in a personal care apparatus, which in addition to providing the personal care apparatus with excellent oral cleaning performance, can itself avoid water-repellent failure at the seams at the bottom of the personal care apparatus. Specifically, the handle comprises a shell 10 with an inner wall, the inner wall can enclose to form an accommodating space, the shell 10 is provided with a through hole 11 and a mounting hole 12 which are communicated with the accommodating space, the through hole 11 and the mounting hole 12 are arranged at two ends of the shell 10 along the axial direction of the shell 10, a movement assembly 20 with an output end 21 can be mounted in the accommodating space through the mounting hole 12 so as to be rapidly mounted with the shell 10, and meanwhile, the output end 21 can extend out of the through hole 11 to be connected with a brush head so as to drive the brush head to act; the handle further comprises a bottom shell 30 capable of covering the mounting hole 12 to seal the mounting hole 12, the bottom shell 30 comprises a circumferential wall 31 arranged opposite to the inner wall, a plurality of annular grooves 311 which are arranged on the circumferential wall 31 and are arranged around the circumferential wall 31 at intervals along the axial direction of the shell 10, and a part of the sealing element 40 is accommodated in the annular groove 311, namely the sealing element 40 protrudes out of the circumferential wall 31, the circumferential wall 31 can abut against the sealing element 40 to the inner wall so as to seal the inner wall and the circumferential wall 31, thereby forming a plurality of sealing structures, when the outermost sealing structure is in waterproof failure, the secondary outer sealing structure can continuously ensure the waterproof performance between the inner wall and the circumferential wall 31, thereby ensuring that the personal care equipment can be used in a humid or water environment for a long time.

Further, the sealing member 40 is a waterproof O-ring, which can be made of elastic material such as elastomer silica gel or rubber. In this embodiment, the number of the annular grooves 311 is two, and it is understood that in other embodiments, the number of the annular grooves 311 may also be multiple, each sealing element 40 is disposed corresponding to each annular groove 311 one by one, the sealing element 40 is in interference fit with the inner wall, and the interference is 15% to 25% of the diameter of the sealing element 40.

In one embodiment, as shown in fig. 2 and 6, the bottom case 30 includes a cover 32 and elastic members 33 disposed on the cover 32, the elastic members 33 are inserted into the receiving space through the mounting hole 12, so that the cover 32 covers the mounting hole 12, and the circumferential wall 31 is formed on the elastic members 33. Because sealing member 40 is located between elastic component 33 and the inner wall, and because the existence of elastic component 33, elastic component 33 can be compressed and produce elasticity, so utilize the characteristics that elastic component 33 can produce elasticity by the compression, can improve the power of propping up sealing member 40 on the inner wall, further guarantee the sealed between circumference wall 31 and the inner wall, improve waterproof performance. In this embodiment, the elastic member 33 is a hollow ring structure, and is easily compressed, which is beneficial to increase the assembly speed between the housing 10, the bottom case 30 and the sealing member 40. In addition, the circumferential wall 31 is provided outside the elastic member 33 and can be attached to the inner wall to further improve the sealing property. An assembly gap can also be left between the circumferential wall 31 and the inner wall to facilitate assembly. As shown in fig. 2, the circumferential outer edge of the cover 32 matches the mounting hole 12, so that the sealing structure can be formed before the sealing member 40 to ensure the sealing between the housing 10 and the bottom case 30 while ensuring the covering of the mounting hole 12. The cover 32 may also be made of an elastic material that is pre-compressed during assembly to ensure a seal between the cover 32 and the housing 10.

In one embodiment, with continued reference to fig. 2, the elastic element 33 includes a first end 331 connected to the cover 32, and the annular grooves 311 are spaced from the first end 331 along the axial direction of the housing 10. So make the sealing member 40 of outermost side more be close to mounting hole 12 to the steam that gets into accommodating space from the gap between lid 32 and casing 10 separates, prevents that the too big scope that causes breeding the scope of bacterium of steam diffusion range and the ageing scope of casing 10 is too big, influences the use of personal care equipment.

In one embodiment, as shown in fig. 2 to 6, one end of the elastic element 33 away from the cover 32 is provided with a first elastic arm 332, an inner wall of the elastic element is spaced apart from the first elastic arm 332 to form an insertion gap, the movement assembly 20 further includes a frame 22, the frame 22 is accommodated in the accommodating space, the frame 22 is provided with a second elastic arm 221 located in the insertion gap, and the first elastic arm 332 can abut the second elastic arm 221 against the inner wall. Thus, the first elastic arm 332, the inner wall and the second elastic arm 221 are matched in an inserting manner, so that the frame body 22 can be prevented from moving relative to the shell 10, and the stability of connection between the frame body 22 and the shell 10 is improved. At the same time, the first elastic arm 332 is pre-compressed to increase the force applied to the second elastic arm 221, so that the second elastic arm 221 is tightly connected to the inner wall.

In one embodiment, as shown in fig. 3, a through slot 3321 is formed on a side of the first elastic arm 332 facing the plugging gap, and a protrusion 2211 of the second elastic arm 221 is engaged with the through slot 3321. So through protruding 2211 and logical groove 3321 joint, strengthen the anticreep nature between first elastic arm 332 and the second elastic arm 221 to prevent relative movement between first elastic arm 332 and the second elastic arm 221, increase the stability of being connected between casing 10, support body 22 and the bottom shell 30. It is understood that in other embodiments, the protrusion 2211 may be disposed on the first resilient arm 332 and the through slot 3321 may be disposed on the second resilient arm 221, and the snap-fit relationship between the first resilient arm 332 and the second resilient arm 221 can be achieved as well.

In one embodiment, referring to fig. 3, a first guiding portion 3322 is disposed on a side of the first elastic arm 332 away from the elastic member 33, and a second guiding portion 22111 for cooperating with the first guiding portion 3322 is disposed on the protrusion 2211, so as to lock the protrusion 2211 to the through slot 3321. In the process that the bottom case 30 covers the mounting hole 12, the first guide portion 3322 and the second guide portion 22111 are arranged opposite to each other and gradually approach each other, the first guide portion 3322 and the second guide portion 22111 are attached to each other and move relative to each other, the first elastic arm 332 is driven to bend until the through groove 3321 faces the protrusion 2211, and the first elastic arm 332 rebounds to clamp the protrusion 2211 and the through groove 3321.

In one embodiment, as shown in fig. 6, the first elastic arm 332 is provided with a connecting arm 3323, and the connecting arm 3323 is disposed away from the insertion gap and received in the through slot 3321. The connecting arm 3323 can increase the strength of the first elastic arm 332 near the through slot 3321, improve the deformation resistance of the first elastic arm 332, and further enhance the force of the first elastic arm 332 acting on the second elastic arm 221 to prop the second elastic arm against the inner wall. As shown in fig. 3, the connection arm 3323 can abut against the projection 2211 to further abut the second elastic arm 221 against the inner wall.

On the basis of the above embodiment, as shown in fig. 3 and fig. 5, a protruding portion 2212 is disposed on a side of the second elastic arm 221 away from the protrusion 2211, a sinking groove 13 communicating with the insertion gap is disposed on an inner wall of the second elastic arm, and the protruding portion 2212 is clamped with the sinking groove 13. Through bellying 2212 and heavy groove 13 joint and protruding 2211 and logical groove 3321 joint, further improve the stability of being connected between casing 10, support body 22 and the drain pan 30 three.

Further, as shown in fig. 3, a third guide portion 14 is provided on the inner wall, and a fourth guide portion 2213 for engaging with the third guide portion 14 is provided on the second elastic arm 221 to guide the projection portion 2212 to the sinking groove 13. In the process that the engine assembly 20 is installed in the accommodating space through the installation hole 12, the fourth guide portion 2213 and the third guide portion 14 are arranged oppositely and gradually close to each other, the third guide portion 14 and the fourth guide portion 2213 are attached to each other and move relatively, the second elastic arm 221 is driven to bend until the protruding portion 2212 is opposite to the sinking groove 13, and the second elastic arm 221 rebounds to realize the clamping connection of the protruding portion 2212 and the sinking groove 13.

On the basis of the above embodiment, please refer to fig. 3, a stop surface 15 is disposed on the inner wall, and the stop surface 15 extends to the sinking groove 13 to prevent the protrusion 2212 from moving out of the sinking groove 13. The stop surface 15 is arranged on the side of the countersunk groove 13 remote from the mounting hole 12. Convex part 2212 is clamped with sinking groove 13, when frame body 22 is continuously pushed along the installation direction of movement assembly 20 and casing 10, convex part 2212 can move out of sinking groove 13 and move to stop surface 15, second elastic arm 221 is compressed along with the movement of convex part 2212 relative to stop surface 15, the force acting on stop surface 15 is gradually increased, the generated sliding friction force is gradually increased, thereby being capable of preventing movement assembly 20 from continuously moving along casing 10, meanwhile, convex part 2212 can move and reset relative to stop surface 15 by utilizing the guiding effect of stop surface 15 and the elastic force generated by second elastic arm 221, and meanwhile, second elastic arm 221 restores to the original state and is clamped with sinking groove 13 again, thereby preventing convex part 2212 from moving out of sinking groove 13.

On the basis of the above embodiment, as shown in fig. 4, the movement assembly 20 further includes a power supply 23 and a coil 24, the power supply 23 is disposed on the frame 22, the coil 24 can generate an induced current to charge the power supply 23, and the frame 22 can abut the coil 24 against the cover 32. This ensures that the coil 24 is mounted with a precise position so that the coil 24 is in the sensing region and generates an induced current which is supplied to the power supply 23 when the personal care apparatus is being charged. In addition, the power supply 23 is partially exposed on one side of the frame body 22 to facilitate the power supply 23 to be assembled on the frame body 22 from the side, and a damping sleeve 25 is further arranged between the part of the power supply 23 exposed on the frame body 22 and the shell 10.

Further, as shown in fig. 2, a first damping member 241 is further provided between the frame body 22 and the coil 24, and the first damping member 241 can abut the coil 24 against the cover body 32. The first vibration damping member 241 can compensate for the tolerance of the coil 24, and prevent the coil from moving relative to the frame body 22 after expansion with heat and contraction with cold, besides the vibration damping effect.

In one embodiment, as shown in fig. 1 and 4, the engine assembly 20 further includes a drive unit 26, a vibration damping assembly 27, and a first circuit board 28. The driving unit 26 is accommodated in the accommodating space, and the driving unit 26 is connected to a brush head mounted on the handle through the output end 21 for driving the brush head to move. The brush head action may be vibration, i.e. the driving unit 26 drives the brush head to vibrate so as to vibrate the cleaning member in the brush head, so as to clean the oral cavity, and the corresponding driving unit 26 may be a vibration motor such as a sound wave motor. In addition, the brush head action can also be rotation, i.e. the driving unit 26 can drive the cleaning piece in the brush head to rotate so as to clean the oral cavity, and the corresponding driving unit 26 is a rotating motor. It will be appreciated that in some embodiments, the number of drive units 26 is plural, including a vibration motor for driving the cleaning members to vibrate, and a rotary motor for driving the cleaning members to rotate.

The various types of drive units 26 described above can generate unnecessary vibrations that affect the grip of the user and generate noise. In this regard, in the present embodiment, the driving unit 26 is connected to the housing 10 through the vibration damping member 27, so that unnecessary vibration generated by the driving unit 26 is prevented from being excessively transmitted to the housing 10, thereby reducing the vibration sensation of the housing 10. Further, the first circuit board 28 is accommodated in the accommodating space and spaced from the driving unit 26, and the driving unit 26 is electrically connected to the first circuit board 28. This prevents unnecessary vibrations generated by the driving unit 26 from being transmitted to the housing 10 through the first circuit board 28, which increases the vibration of the housing 10, thereby improving the user's grip comfort and reducing noise generated by the vibrations.

In this embodiment, the driving unit 26 and the first circuit board 28 are axially disposed in a front-back direction along the handle, and the handle of the above-mentioned scheme can effectively prevent the resonance of the dynamic portion at the front end of the personal care apparatus from being transmitted to the static portion at the rear end of the personal care apparatus, so as to ensure that the holding portion of the personal care apparatus, i.e., the static portion, has a small vibration, thereby improving the holding comfort and the user experience. It will be appreciated that in other embodiments, the driving unit 26 and the first circuit board 28 may also be distributed along the radial direction of the handle, and it is sufficient to ensure that the driving unit 26 and the first circuit board 28 are spaced apart from each other, so as to avoid the transmission of unnecessary vibration of the driving unit 26 to the housing 10 through the first circuit board 28.

Further, the first circuit board 28 may be provided with at least one switch for triggering the first circuit board 28 to send out an instruction, such as a command for taking one of the plurality of operating modes as a target operating mode, or a command for switching from the current operating mode to the target operating mode; based on the command, the driving unit 26 responds to the command from the first circuit board 28 to drive the brush head to perform a series of actions (e.g. vibration) corresponding to the target operation mode according to the set control parameters and/or parameter group.

In one embodiment, as shown in fig. 4, the handle further comprises a second circuit board 29, and the driving unit 26 is electrically connected, such as wired, to the first circuit board 28 through the second circuit board 29. The second circuit board 29 is disposed on the driving unit 26 and spaced apart from the first circuit board 28, the vibration damping member 27 can clamp the second circuit board 29 to the driving unit 26, the second circuit board 29 is provided with a button 291, and the button 291 can penetrate through the vibration damping member 27 and be exposed to the housing 10. The button 291 is a switch device mentioned above, and may be a mechanical button 291 or a touch button 291. The key 291 controls the first circuit board 28 through the second circuit board 29 to realize the function of the first circuit board 28. In this embodiment, the second circuit board 29 can be used as an extension of the first circuit board 28, and the two are connected by wires only, so that the unnecessary vibration of the driving unit 26 is prevented from being transmitted to the first circuit board 28 through the second circuit board 29. Meanwhile, the second circuit board 29 is far from the handheld part, so that the finger can conveniently touch the key 291, the driving unit 26 can be controlled, and the human engineering is met. In addition, the damping assembly 27 can clamp the second circuit board 29 to the driving unit 26, so that the damping assembly 27 is arranged between the second circuit board 29 and the casing 10, unnecessary vibration of the driving unit 26 is prevented from being transmitted to the casing 10 through the second circuit board 29, and meanwhile, the damping assembly 27 protects the second circuit board 29 and prevents the second circuit board 29 from being directly contacted with the casing 10 and being damaged when the second circuit board directly contacts the casing 10 when the second circuit board vibrates along with the driving unit 26. As shown in fig. 4, the case 10 is provided with a mouth portion and a pressing piece 16, and the pressing piece 16 can press the key 291 through the mouth portion. The first circuit board 28 and the second circuit board 29 are both PCBA boards.

In one embodiment, please refer to fig. 4, the damping assembly 27 includes a second damping member 271 and a third damping member 272, the second damping member 271 and the third damping member 272 are respectively sleeved at two opposite ends of the driving unit 26, and the second damping member 271 and the third damping member 272 are spaced apart from each other to form a gap for the key 291 to pass through. The second and third vibration dampers 271 and 272 connect both ends of the driving unit 26 to the housing 10, respectively, thereby improving the stability of connection between the driving unit 26 and the housing 10. In addition to the gap formed between the second vibration damping member 271 and the third vibration damping member 272 for the key 291 to pass through, the vibration damping assembly 27 can be prevented from completely wrapping the driving unit 26, and further unnecessary vibration generated by the driving unit 26 cannot be released, in this embodiment, due to the existence of the gap, the portion of the second vibration damping member 271 and the portion of the third vibration damping member 272 near the gap can have a larger deformation amount, so that the unnecessary vibration generated by the driving unit 26 can be conveniently released, and meanwhile, the driving unit 26 and the housing 10 at the gap are arranged at an interval, so that the driving unit 26 can generate a larger amplitude, and release of the unnecessary vibration generated by the driving unit 26 is facilitated. Further, the second and third damping members 271 and 272 may be made of a soft material such as rubber, resin, or the like. During assembly, the second circuit board 29 may be connected to the driving unit 26 first, and the connection may be ultrasonic welding, bonding, or integral injection molding. In this embodiment, the second circuit board 29 is bonded to the driving unit 26 by using the double-sided tape 292.

Further, a sealing member 211 is provided between the output terminal 21 and the through hole 11 to improve sealability between the output terminal 21 and the housing 10. The second vibration damper 271 is disposed adjacent to the sealing member 211, and the handle further includes a clamp 212, the clamp 212 being capable of clamping the second vibration damper 271 to the drive unit 26 and clamping the sealing member 211 to the housing 10. The clamp 212 can secure the close connection of the second damper 271 to one end of the driving unit 26 while achieving the close connection of the sealing member 211 to the housing 10.

In one embodiment, as shown in fig. 4, a light emitting element 281 and a light shielding element 282 covering the light emitting element 281 are disposed on the first circuit board 28, a transmission structure 2821 is disposed on the light shielding element 282, and light from the light emitting element 281 can pass through the transmission structure 2821 to make the transmission structure 2821 visible. The light shielding member 282 can shield light except for the transmission structure 2821, and can shield light of the light emitting member 281 and reliably limit the light within the range of the transmission structure 2821. In this embodiment, the light shielding member 282 is a light shielding member, and has a hole filled with the transmission structure 2821, and the shape of the hole is arbitrary, for example, the hole may be some marks, such as a power mark, a driving mode mark, and the like. The transmissive structure 2821 may be made of a light transmissive material. It is understood that in other embodiments, the light shielding member 282 may also be a light shielding structure made of coating, resin or other plastic materials. The aforementioned button 291 controls the first circuit board 28 to send a command through the second circuit board 29, the corresponding light emitting element 281 is lighted, the corresponding light-transmitting structure is visible, and the indication information (such as the driving mode mark, the motion parameter of the brush head, etc.) associated with the command is conveyed to the user.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (13)

1. The handle, its characterized in that: the method comprises the following steps:

a housing comprising an inner wall;

the bottom shell comprises a circumferential wall arranged opposite to the inner wall, a plurality of annular grooves arranged around the circumferential wall are formed in the circumferential wall, and the annular grooves are arranged at intervals along the axial direction of the shell; and

the sealing piece is partially accommodated in the annular groove, and the circumferential wall can abut the sealing piece on the inner wall so as to seal the inner wall and the circumferential wall.

2. The handle of claim 1, wherein: the inner wall is surrounded to form an accommodating space, the shell is provided with a mounting hole communicated with the accommodating space, the bottom shell comprises a cover body and an elastic piece arranged on the cover body, the elastic piece is inserted into the accommodating space through the mounting hole so that the cover body covers the mounting hole, and the circumferential wall is formed on the elastic piece.

3. The handle of claim 2, wherein: the elastic piece comprises a first end connected with the cover body, and the annular grooves are formed in the first end at intervals along the axial direction of the shell.

4. The handle of claim 2, wherein: the handle further comprises a support body, the support body is contained in the containing space, a second elastic arm located in the inserting gap is arranged on the support body, and the first elastic arm can abut against the second elastic arm on the inner wall.

5. The handle of claim 4, wherein: the first elastic arm faces one side of the inserting gap and is provided with a through groove, and the second elastic arm is provided with a bulge clamped with the through groove.

6. The handle of claim 5, wherein: one side that first elastic arm kept away from the elastic component is equipped with first guide part, be equipped with in the arch be used for with first guide part complex second guide part, with will protruding with lead to the groove joint.

7. The handle of claim 5, wherein: the first elastic arm is provided with a connecting arm, and the connecting arm is far away from the splicing gap and is contained in the through groove.

8. The handle of claim 5, wherein: the second elastic arm deviates from one side of the protrusion is provided with a protrusion part, the inner wall is provided with a sinking groove communicated with the insertion gap, and the protrusion part is clamped with the sinking groove.

9. The handle of claim 8, wherein: and a third guide part is arranged on the inner wall, and a fourth guide part matched with the third guide part is arranged on the second elastic arm so as to guide the bulge part to the sinking groove.

10. The handle of claim 8, wherein: the inner wall is provided with a stop surface, and the stop surface extends to the sinking groove and is used for preventing the protruding part from being moved out of the sinking groove.

11. The handle of claim 4, wherein: the handle still includes power and coil, the power is located the support body, the coil can produce induced-current for the power charges, the support body can with the coil supports to be located the lid.

12. The handle of claim 11, wherein: a first vibration reduction piece is further arranged between the frame body and the coil.

13. A personal care appliance, characterized by: comprising a handle according to any of claims 1 to 12.

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