CN215821246U - Reciprocating type driven oral cavity nursing device - Google Patents

Abstract

The utility model discloses a reciprocating-driven oral care implement which comprises a handheld part, a reciprocating driving component, a dental tray and a U-shaped hair implanting plate, wherein the dental tray is arranged on the handheld part, the U-shaped hair implanting plate is arranged in the dental tray, bristles are arranged on the U-shaped hair implanting plate, the reciprocating driving component is arranged on the handheld part, and the reciprocating driving component drives the U-shaped hair implanting plate to reciprocate relative to the dental tray through driving the U-shaped hair implanting plate. It carries out reciprocating motion about through reciprocating drive subassembly to drive U type tufting board and carry out reciprocating motion, and then realize that the brush hair operation cleans the tooth, reaches the purpose of better clean tooth, promotes user's use simultaneously and experiences.

Description

Reciprocating type driven oral cavity nursing device

Technical Field

The utility model relates to an oral care device, in particular to a reciprocating type driven oral care device which is applied to the field of oral care.

Background

The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantaneously decomposes the toothpaste into fine foam to deeply clean slits between teeth, and simultaneously, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues.

The existing U-shaped electric toothbrush is driven by a driving motor which vibrates at a high speed to drive a brush head to vibrate so as to achieve the tooth cleaning effect, or the user cleans teeth by adopting an ultrasonic mode, however, the existing two driving modes are all cleaning at fixed points, the user can clean the teeth at different positions in the oral cavity only by moving left and right, when the user is a child or an adult, the user can frequently brush teeth and the toothbrush is moved left and right with too few times or without moving left and right, so that the teeth cannot be cleaned effectively, and the use requirement of the user cannot be met.

In addition, the bristles of the U-shaped electric toothbrush in the prior art are all made of silica gel, the materials are soft, and the simple vibration of the materials is relied on, so that the better tooth brushing effect is difficult to realize.

Disclosure of Invention

Aiming at the problems that the U-shaped electric toothbrush in the prior art is driven to clean at a fixed point, the teeth at different positions in the oral cavity can be cleaned only by moving the user left and right, and the use requirement of the user cannot be met, the utility model provides the reciprocating-driven oral care device, the reciprocating-driven oral care device drives the U-shaped hair planting plate to reciprocate by reciprocating the reciprocating driving component, so that the bristles can clean the teeth better, and the use experience of the user is improved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a reciprocating type driven oral care implement, oral care implement plants the hair board including handheld portion, reciprocal drive assembly, denture fixing device and U type, the denture fixing device is installed in handheld portion, and the setting of U type hair board is planted in the denture fixing device, be equipped with the brush hair on the U type hair board is planted, and reciprocal drive assembly installs in handheld portion, reciprocal drive assembly drive U type hair board is reciprocating motion for the denture fixing device.

Further, reciprocal drive assembly includes first motor, denture fixing support and adaptor, first motor is installed handheld portion is last, be equipped with core wheel axle partially on the drive end of first motor, core wheel axle partially's pivot cartridge is in on the sliding tray of adaptor, the sliding tray is waist shape or rectangular shape, the switching mouth has been seted up to the adaptor top, has seted up the adaptor on the denture fixing support and has held the chamber, and the adaptor holds the chamber and is waist shape or rectangular shape, the adaptor set up in the adaptor holds the intracavity, has seted up the sliding tray on the denture fixing support, be equipped with the connecting rod on the U type bristle fixing plate, the denture fixing is equipped with the opening, the connecting rod of U type bristle fixing plate sees through the opening with the sliding tray is connected on the switching mouth of adaptor.

Further, a pot head of the denture base support is arranged on the handheld portion, the sliding groove is formed in the other end of the denture base support, the denture base is provided with a connecting portion, and the connecting portion is sleeved on the outer side of the denture base support.

Furthermore, the reciprocating driving assembly comprises a second motor and a sliding support, the second motor is mounted on the handheld portion, a fan-shaped driving wheel is arranged at the driving end of the second motor, two groups of driving racks are arranged on the sliding support, the driving racks are meshed with the fan-shaped driving wheel, the driving racks are arranged in parallel and oppositely, the fan-shaped driving wheel is arranged between the driving racks, the denture is provided with an opening, and the U-shaped hair planting plate is directly or indirectly connected with the sliding support through the opening; or the reciprocating driving component comprises a second motor and a sliding support, the second motor is arranged on the handheld part, a driving gear is arranged at the driving end of the second motor, a driving rack meshed with the driving gear is arranged on the sliding support, the denture base is provided with an opening part, and the U-shaped hair planting plate is directly or indirectly connected with the sliding support through the opening part; or the reciprocating driving assembly comprises a second motor, the second motor is arranged on the handheld part, the driving end of the second motor is provided with fan-shaped driving wheels, the U-shaped hair planting plate is provided with two groups of driving racks which are meshed with the fan-shaped driving wheels, the driving racks are arranged in parallel and oppositely, the denture base is provided with an opening part, and the fan-shaped driving wheels are arranged between the driving racks through the opening part; or the reciprocating driving assembly comprises a second motor, the second motor is installed on the handheld portion, a driving gear is arranged on the driving end of the second motor, the denture base is provided with an opening portion, a driving rack meshed with the driving gear is arranged on the U-shaped hair planting plate, and the driving rack penetrates through the opening portion and is meshed with the driving gear.

Further, the reciprocating driving assembly comprises a magnetic core and a permanent magnet, the magnetic core is installed on the handheld portion, a driving coil is arranged on the magnetic core, the permanent magnet is arranged between two ends of the magnetic core, and the U-shaped bristle planting plate is directly or indirectly connected with the permanent magnet through the opening portion.

Furthermore, the permanent magnet is embedded in the U-shaped hair planting plate; or the reciprocating driving component also comprises a magnet bracket, the permanent magnet is arranged in the magnet bracket, and the U-shaped hair planting plate is connected with the magnet bracket.

Further, the permanent magnet is provided with two, and the same poles between two permanent magnets are arranged oppositely.

Furthermore, a limiting part is arranged on the denture base, and the U-shaped bristle planting plate is arranged in the limiting part; or the dental tray is provided with a limiting hole, the U-shaped bristle planting plate is provided with a limiting bulge corresponding to the limiting hole, and the limiting bulge is arranged in the limiting hole; or the tooth support is provided with a limiting part, the U-shaped hair planting plate is arranged in the limiting part, a limiting hole is formed in the tooth support, the U-shaped hair planting plate corresponds to the limiting hole, a limiting bulge is arranged at the position of the limiting hole, and the limiting bulge is arranged in the limiting hole.

Furthermore, the U-shaped hair planting plate is provided with more than one I-shaped opening, more than one L-shaped opening and/or more than one T-shaped opening, and the U-shaped hair planting plate is provided with a U-shaped bending groove.

Furthermore, the denture base is provided with a boss, the U-shaped bristle implanting plate is provided with a sliding through hole corresponding to the boss, and the boss is inserted into the sliding through hole.

Furthermore, be equipped with on the denture base first suspension magnet, U type bristle planting board be equipped with first suspension magnet relatively corresponding second suspension magnet, the magnetic pole polarity that first suspension magnet and second suspension magnet set up relatively is the same.

Furthermore, a Hall element is arranged in the handheld part, and the Hall element is used for switching the oral care device during charging.

The utility model has the beneficial effects that: the utility model provides a reciprocating-driven oral care implement, which reciprocates left and right through a reciprocating driving component, so that a U-shaped hair planting plate is driven to reciprocate, the bristles are driven to clean teeth, the purpose of cleaning the teeth better is achieved, and the use experience of a user is improved.

Drawings

FIG. 1 is an exploded view of a reciprocating drive oral care implement of the present invention;

FIG. 2 is a schematic cross-sectional view of a reciprocating drive oral care implement of the present invention;

FIG. 3 is a schematic cross-sectional view of an adapter of a first embodiment of the present invention;

FIG. 4 is a cross-sectional view of a dental tray support according to a first embodiment of the present invention;

FIG. 5 is a schematic structural view of a reciprocating drive assembly according to a second embodiment of the present invention;

FIG. 6 is a schematic structural view of another reciprocating drive assembly of a second embodiment of the present invention;

FIG. 7 is a schematic structural view of a reciprocating drive assembly according to a third embodiment of the present invention;

fig. 8 is a schematic structural view of the U-shaped hair-planting plate of the utility model.

Reference numerals: 1-a handheld part, 2-a denture base, 3-a U-shaped hair-planting plate, 4-bristles, 5-a connecting part, 6-a limiting part, 7-a limiting hole, 8-a limiting bulge, 9-an L-shaped opening, 10-a T-shaped opening and 11-a U-shaped bent groove; 12-connecting rod, 13-boss, 14-sliding through hole, 15-first suspension magnet, 16-second suspension magnet, and 17-opening part;

21-a first motor, 22-an adaptor, 23-an eccentric wheel shaft, 24-a rotating shaft, 25-a sliding groove, 26-an adaptor, 27-a denture base bracket, 28-an adaptor accommodating cavity and 29-a sliding groove;

31-a second motor, 32-a sliding bracket, 33-a sector driving wheel, 34-a driving rack and 35-a driving gear; 41-magnetic core, 42-magnet holder, 43-drive coil, 44-permanent magnet.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 8, the oral care implement of the present invention comprises a hand-held portion 1, a reciprocating driving assembly, a dental tray 2 and a U-shaped hair-planting plate 3, wherein a battery is disposed in the hand-held portion 1 and used for supplying power to the reciprocating driving assembly, the dental tray 2 is mounted on the hand-held portion 1, the U-shaped hair-planting plate 3 is disposed in the dental tray 2, the dental tray 2 supports the U-shaped hair-planting plate 3, bristles 4 are disposed on the U-shaped hair-planting plate 3, so that the U-shaped hair-planting plate 3 can slide on the dental tray 2, the use is convenient when the U-shaped hair-planting plate 3 slides on the dental tray 2, the reciprocating driving assembly is mounted on the hand-held portion 1, the reciprocating driving assembly drives the U-shaped hair-planting plate 3 to reciprocate relative to the dental tray 2, and the whole U-shaped hair-planting plate 3 moves left and right during the reciprocating movement of the reciprocating driving assembly, brush hair 4 on the hair board 3 is planted to the U type, plant hair board 3 at the U type and carry out reciprocating motion under to realize brushing teeth automatically through brush hair 4 motion, clean tooth, solve the problem that the user is unwilling to remove toothbrush handle portion, reach the purpose of better clean tooth, promote user's use simultaneously and experience, what need explain, can arrange reciprocating drive assembly in the cavity of denture base 2 in, make oral care ware's structure compacter. Wherein the U type tufting board 3 can set up in one side of denture fixing device, also can set up in the both sides of denture fixing device, wherein the opening 17 of seting up on the denture fixing device 2 for U type tufting board 3 is connected with reciprocating drive subassembly, for there is better clean effect, wherein brush hair 4 adopts PBT pile or nylon brush hair, can also adopt PP brush hair, PET brush hair etc.. In this embodiment, the battery is used as a power supply to supply power to the present invention, and in specific implementation, an external power supply may be used to supply power.

In the embodiment, in order to prevent the U-shaped bristle planting plate 3 from falling off in the using process, the tooth support 2 is provided with a limiting part 6, and the U-shaped bristle planting plate 3 is arranged in the limiting part 6; a limiting hole 7 is also arranged on the denture base 2, a limiting bulge 8 is arranged on the U-shaped bristle planting plate 3 corresponding to the limiting hole 7, and the limiting bulge 8 is arranged in the limiting hole 7; in order to further prevent that U type bristle planting board 3 from dropping in the use, be equipped with spacing portion 6 on denture base 2, U type bristle planting board 3 is arranged in spacing portion 6, and be equipped with spacing hole 7 on denture base 2, U type bristle planting board 3 corresponds spacing hole 7 position and is equipped with spacing arch 8, spacing arch 8 is arranged in spacing hole 7, spacing arch 8 cooperatees with spacing hole 7, block spacing arch 8 through spacing hole 7, make U type bristle planting board 3 can not drop, it needs to explain, in order not to influence U type bristle planting board 3 motion, wherein spacing arch 8 can slide in spacing hole 7, for better blocking, can adopt and set up spacing arch 8 of multiunit and spacing hole 7. During specific implementation, can adopt spacing portion 6 alone to plant hair board 3 to the U type spacing, also can adopt spacing protruding 8 structures of spacing hole 7 cooperation alone to plant hair board 3 to the U type spacing, also can adopt spacing portion 6 and spacing hole 7 cooperation spacing protruding 8 structures simultaneously to plant hair board 3 to the U type spacing.

In this embodiment, in order to make the U-shaped hair-planting plate 3 easier to process, the U-shaped hair-planting plate 3 is provided with one or more I-shaped openings, one or more L-shaped openings 9 and/or one or more T-shaped openings 10, wherein the I-shaped openings are not shown in the drawing, and referring to the L-shaped openings 9 or the T-shaped openings 10, the I-shaped openings, the L-shaped openings 9 and the T-shaped openings 10 can also facilitate cleaning and the flow of foam on the U-shaped hair-planting plate 3, and the L-shaped openings 9 and the T-shaped openings 10 facilitate cleaning. In this embodiment, for the easier machine-shaping of U type bristle planting board 3, be equipped with U type bending groove 11 on U type bristle planting board 3, when buckling the processing through U type bending groove 11 department to U type bristle planting board 3, buckle more easily for U type bristle planting board 3 after buckling buckles goes out two U type walls, the oral cavity of laminating more, makes to clean the tooth more conveniently. It should be noted that openings of other shapes may be used, and are not illustrated here.

In this embodiment, for the convenience of use, realize better automation and brush teeth, be equipped with boss 13 at denture fixing device 2, U type bristle planting board 3 is equipped with the slip through-hole 14 that corresponds with boss 13, boss 13 cartridge is in slip through-hole 14, boss 13 sees through slip through-hole 14 and arranges U type bristle planting board 3 top in, under the condition that U type bristle planting board 3 is driven by reciprocating drive subassembly, the tooth is bitten on boss 13 for do not influence U type bristle planting board 3 and realize more convenient motion. Preferably, the boss 5 is arranged at the position of incisors when teeth are occluded, the boss can be arranged at other positions, the cleaning effect of the teeth can be influenced, the left and right surfaces of the brush are only arranged at the position of the incisors, and the cleaning of the crowns can be influenced when the boss is arranged at other positions of the teeth, such as setting of molars, the cleaning of the crowns can be influenced.

In this embodiment, in order to reduce the friction between the U-shaped bristle implanting plate 3 and the dental tray 2, the dental tray 2 is provided with a first suspension magnet 15, the U-shaped bristle implanting plate 3 is provided with a second suspension magnet 16 corresponding to the first suspension magnet 15, the polarities of the magnetic poles of the first suspension magnet 15 and the second suspension magnet 16 are the same, the suspension of the U-shaped bristle implanting plate 3 is realized by the same polarity of the magnetic poles of the faces of the first suspension magnet 15 and the second suspension magnet 16, the friction of the U-shaped bristle implanting plate 3 during the movement process is reduced by the suspension design, and the U-shaped bristle implanting plate is clamped by the above anti-falling structure, so as to achieve better tooth brushing effect. The two first suspension magnets form a certain included angle, the second suspension magnet is arranged at the bottom of the U-shaped hair planting plate, and the U-shaped hair planting plate is suspended under the action of repulsive forces on two sides.

In the embodiment, the Hall element is arranged in the handheld part and used for a switch of the oral care device during charging, and the Hall element is used for disconnecting the power supply of the reciprocating driving assembly during charging of the oral care device, so that the aim of safe charging is fulfilled.

In the present invention, three reciprocating driving assembly structures are provided, and in specific implementation, other structures for driving the U-shaped hair-planting plate 3 to reciprocate are provided, which are not described herein again.

In the first embodiment, referring to fig. 2-4, the reciprocating driving assembly includes a first motor 21, a denture base support 27 and an adaptor 22, the first motor 21 is installed on the handheld portion 1, a eccentric axle 23 is disposed at a driving end of the first motor 21, the eccentric axle 23 is driven to rotate when the first motor 21 works, a rotating axle 24 is disposed on the eccentric axle 23, the rotating axle 24 of the eccentric axle 23 is inserted into a sliding slot 25 of the adaptor 22, the sliding slot 25 is waist-shaped or long-strip-shaped, the adaptor 22 is driven to rotate when the eccentric axle 23 rotates, an adaptor 26 is disposed above the adaptor 22, an adaptor receiving cavity 28 is disposed on the denture base support 27, the adaptor receiving cavity 28 is waist-shaped or long-strip-shaped, since the adaptor 22 is disposed in the adaptor receiving cavity 28, the movable position of the adaptor 22 is limited by the adaptor receiving cavity 28, under the action of the inner wall of the denture base support 27, the adaptor 22 can only slide in the adaptor receiving cavity 28, the denture base support 27 is provided with a sliding groove 29 which is always kept to move left and right through the sliding groove 29, the U-shaped hair planting plate 3 is provided with a connecting rod 12, the denture base 2 is provided with an opening 17, the connecting rod 12 of the U-shaped hair planting plate 3 is connected to an adapter port 26 of an adapter 22 through the opening 17 and the sliding groove 29, the connecting rod 12 can be inserted into the adapter port 26 through the opening 17, or the U-shaped hair planting plate 3 can be provided with the adapter port, the adapter 22 is provided with a connecting rod which can be inserted into the adapter port to enable the whole U-shaped hair planting plate 3 to move left and right, and the U-shaped hair planting plate 3 carries out reciprocating motion, so that the bristles 4 can move to realize automatic tooth brushing, wherein, the adapter 22 can be cylindrical, the friction resistance of the adapter 22 in the motion process is small, and the inner wall of the sliding groove 29 can be wave-shaped, the U-shaped hair planting plate 3 can vibrate up and down under the driving of the reciprocating driving component, and a better tooth brushing effect is realized.

In this embodiment, in order to make the structure thereof more compact, one end of the dental tray support 27 is sleeved on the handheld portion 1, the sliding groove 29 is arranged at the other end of the dental tray support 27, the dental tray 2 is provided with the connecting portion 5, the connecting portion 5 is sleeved on the outer side of the dental tray support 27, the structure thereof is made more compact through the connecting portion 5, and the dental tray support 27 can be protected at the same time.

In the second embodiment, referring to fig. 5-6, the reciprocating driving assembly includes a second motor 31 and a sliding bracket 32, the second motor 31 is installed on the handheld portion 1, a sector driving wheel 33 is installed on a driving end of the second motor 31, the second motor 31 drives the sector driving wheel 33, a driving rack 34 meshed with the sector driving wheel 33 is installed on the sliding bracket 32, two sets of driving racks 34 are installed, the driving racks 34 are parallel and opposite to each other, the sector driving wheel 33 is installed between the driving racks 34, so that the sliding bracket 32 reciprocates under the movement of the sector driving wheel 33, the dental tray 2 is provided with an opening 17, the U-shaped hair-planting plate 3 is directly or indirectly connected with the sliding bracket 32 through the opening 17, and the effect is the same as that in the first embodiment; another reciprocating driving assembly can be adopted, the reciprocating driving assembly comprises a second motor 31 and a sliding support 32, the second motor 31 is installed on the handheld portion 1, a driving gear 35 is arranged at the driving end of the second motor 31, wherein the second motor 31 rotates in a fixed circle or at regular time when driving, for example, the second motor 31 rotates in a clockwise mode for three times, then rotates in an anticlockwise mode for three times or rotates in a clockwise mode for one second, and then rotates in an anticlockwise mode for one second, a driving rack 34 meshed with the driving gear 35 is arranged on the sliding support 32, so that the sliding support 32 performs reciprocating motion under the motion of a fan-shaped driving wheel 33, the dental tray 2 is provided with an opening portion 17, and the U-shaped hair planting plate 3 is directly or indirectly connected with the sliding support 32 through the opening portion 17; the reciprocating driving assembly can also be adopted to comprise a second motor, the second motor is arranged on the handheld part 1, the driving end of the second motor is provided with a fan-shaped driving wheel, the U-shaped hair planting plate 3 is provided with two groups of driving racks which are meshed with the fan-shaped driving wheel, the driving racks are arranged in parallel and oppositely, the denture 2 is provided with an opening part 17, the fan-shaped driving wheel is arranged between the driving racks through the opening part 17, the principle of the reciprocating driving assembly is consistent with that of the reciprocating driving assembly, and a sliding support is not arranged; or the reciprocating driving component comprises a second motor, the second motor is arranged on the handheld part 1, a driving gear is arranged at the driving end of the second motor, the denture 2 is provided with an opening part 17, a driving rack meshed with the driving gear is arranged on the U-shaped hair planting plate 3, the driving rack penetrates through the opening part 17 to be meshed with the driving gear, and a sliding support is not arranged.

In a third embodiment, referring to fig. 7, the reciprocating driving assembly includes a magnetic core 41 and a permanent magnet 44, the magnetic core 41 is installed on the handheld portion, the driving coil 43 is disposed on the magnetic core 41, the permanent magnet 44 is disposed between two ends of the magnetic core 41, when the driving coil 43 works, magnetic fields at two ends of the driving coil 43 change to push the permanent magnet 44 to move left and right, the dental tray 2 is provided with an opening 17, the U-shaped hair planting plate 3 is directly or indirectly connected with the permanent magnet 44 through the opening 17, and the permanent magnet 44 reciprocates, and since the U-shaped hair planting plate 3 is connected with the permanent magnet 44, the whole U-shaped hair planting plate 3 moves left and right, and the effect is the same as that of the first embodiment.

In the embodiment, in order to better arrange the installation position of the permanent magnet 44, the permanent magnet 44 is embedded in the U-shaped flocked plate 3; the reciprocating driving assembly also comprises a magnet bracket 42, a permanent magnet 44 is arranged in the magnet bracket 42, the U-shaped bristle planting plate 3 is connected with the magnet bracket 42, and the magnet bracket 42 is adopted to facilitate disassembly and assembly.

In the present embodiment, in order to improve the driving effect, two permanent magnets 44 are provided, and the same poles between the two permanent magnets 44 are arranged oppositely.

In the fourth embodiment, the operation principle is the same as that of the third embodiment, and it is also possible to provide a structure in which the dental tray 2 is not provided with the opening 17, the permanent magnet 44 is embedded in the U-shaped bristle implanting plate 3, the magnetic core 41 is provided in the dental tray 2, the driving coil 43 is provided on the magnetic core 41, and the dental tray 2 is attached to the hand-held part or the dental tray is provided with a battery for supplying power to the driving coil.

It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.

Claims (12)

1. The utility model provides a reciprocating type driven oral care implement, its characterized in that, oral care implement includes handheld portion (1), reciprocal drive assembly, denture fixing device (2) and U type hair planting board (3), denture fixing device (2) are installed on handheld portion (1), and U type hair planting board (3) set up in denture fixing device (2), be equipped with brush hair (4) on U type hair planting board (3), reciprocal drive assembly installs on handheld portion (1), reciprocal drive assembly drive U type hair planting board (3) are reciprocating motion for denture fixing device (2).

2. The reciprocating-drive oral care implement according to claim 1, wherein the reciprocating drive assembly comprises a first motor (21), a denture base support (27) and an adaptor (22), the first motor (21) is installed on the hand-held part (1), a core-offset wheel shaft (23) is arranged on the driving end of the first motor (21), a rotating shaft (24) of the core-offset wheel shaft (23) is inserted in a sliding groove (25) of the adaptor (22), the sliding groove (25) is waist-shaped or long-strip-shaped, an adaptor port (26) is arranged above the adaptor (22), an adaptor accommodating cavity (28) is arranged on the denture base support (27), the adaptor accommodating cavity (28) is waist-shaped or long-strip-shaped, the adaptor (22) is arranged in the adaptor accommodating cavity (28), and a sliding groove (29) is arranged on the denture base support (27), the U-shaped hair-planting plate is characterized in that a connecting rod (12) is arranged on the U-shaped hair-planting plate (3), an opening portion (17) is formed in the dental tray (2), and the connecting rod (12) of the U-shaped hair-planting plate (3) penetrates through the opening portion (17) and a sliding groove (29) to be connected to a switching port (26) of the switching piece (22).

3. A reciprocating drive oral cavity nursing device according to claim 2, characterized in that the dental tray bracket (27) is sleeved on the hand-held part (1) at one end, the sliding groove (29) is arranged on the other end of the dental tray bracket (27), the dental tray (2) is provided with the connecting part (5), and the connecting part (5) is sleeved on the outer side of the dental tray bracket (27).

4. A reciprocating oral care implement according to claim 1, wherein the reciprocating drive assembly comprises a second motor (31) and a sliding bracket (32), the second motor (31) is mounted on the handle part (1), fan-shaped driving wheels (33) are provided on the driving end of the second motor (31), driving racks (34) engaged with the fan-shaped driving wheels (33) are provided on the sliding bracket (32), two sets of the driving racks (34) are provided, the driving racks (34) are parallel and opposite to each other, the fan-shaped driving wheels (33) are disposed between the driving racks (34), the dental tray (2) is provided with an opening (17), and the U-shaped driving wheel is U-shaped

The hair-planting plate (3) is directly or indirectly connected with the sliding bracket (32) through the opening part (17); or the reciprocating driving component comprises a second motor (31) and a sliding support (32), the second motor (31) is installed on the handheld part (1), a driving gear (35) is arranged at the driving end of the second motor (31), a driving rack (34) meshed with the driving gear (35) is arranged on the sliding support (32), the dental tray (2) is provided with an opening part (17), and the U-shaped hair planting plate (3) is directly or indirectly connected with the sliding support (32) through the opening part (17); or the reciprocating driving assembly comprises a second motor, the second motor is arranged on the handheld part (1), the driving end of the second motor is provided with a fan-shaped driving wheel, the U-shaped hair planting plate (3) is provided with two groups of driving racks which are meshed with the fan-shaped driving wheel, the driving racks are arranged in parallel and oppositely, the denture base (2) is provided with an opening part (17), and the fan-shaped driving wheel is arranged between the driving racks through the opening part (17); or the reciprocating driving assembly comprises a second motor, the second motor is installed on the handheld portion (1), a driving gear is arranged on the driving end of the second motor, an opening portion (17) is formed in the denture base (2), a driving rack meshed with the driving gear is arranged on the U-shaped hair planting plate (3), and the driving rack penetrates through the opening portion (17) and is meshed with the driving gear.

5. The reciprocating oral care implement according to claim 1, wherein the reciprocating drive assembly comprises a magnetic core (41) and a permanent magnet (44), the magnetic core (41) is mounted on the handle, a drive coil (43) is arranged on the magnetic core (41), the permanent magnet (44) is arranged between two ends of the magnetic core (41), the dental tray (2) is provided with an opening (17), and the U-shaped hair-planting plate (3) is directly or indirectly connected with the permanent magnet (44) through the opening (17).

6. A reciprocating-driven oral care implement according to claim 5, characterized in that the permanent magnet (44) is embedded in a U-shaped bristle plate (3); or the reciprocating driving component also comprises a magnet bracket (42), the permanent magnet (44) is arranged in the magnet bracket (42), and the U-shaped hair-planting plate (3) is connected with the magnet bracket (42).

7. A reciprocating-drive oral care implement according to claim 5, characterized in that the permanent magnets (44) are provided in two, with the same poles between the two permanent magnets (44) being oppositely disposed.

8. The reciprocating oral cavity nursing device according to claim 1, wherein the dental tray (2) is provided with a position-limiting part (6), the U-shaped hair-planting plate (3) is placed in the position-limiting part (6); or a limiting hole (7) is formed in the denture base (2), a limiting bulge (8) is arranged on the U-shaped hair-planting plate (3) corresponding to the limiting hole (7), and the limiting bulge (8) is arranged in the limiting hole (7); or be equipped with spacing portion (6) on denture fixing device (2), the hair plate (3) are planted to the U type is arranged in spacing portion (6), just be equipped with spacing hole (7) on denture fixing device (2), the hair plate (3) are planted to the U type corresponds spacing hole (7) position is equipped with spacing arch (8), spacing arch (8) are arranged in spacing hole (7).

9. A reciprocating-drive oral care implement according to claim 1, characterized in that the U-shaped bristle plate (3) is provided with more than one I-shaped opening, more than one L-shaped opening (9) and/or more than one T-shaped opening (10), and the U-shaped bristle plate (3) is provided with U-shaped bent grooves (11).

10. A reciprocating-driven oral care implement according to claim 1, characterized in that the dental tray (2) is provided with a boss (13), the U-shaped bristle plate (3) is provided with a sliding through hole (14) corresponding to the boss (13), and the boss (13) is inserted into the sliding through hole (14).

11. A reciprocating-driven oral care implement according to claim 1, characterized in that the first levitation magnet (15) is provided on the dental tray (2), the U-shaped bristle plate (3) is provided with a second levitation magnet (16) opposite to the first levitation magnet (15), and the polarities of the magnetic poles of the first levitation magnet (15) and the second levitation magnet (16) are the same.

12. The reciprocating drive oral care implement according to claim 1, wherein a hall element is provided in the handle for switching the oral care implement during charging.

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