CN217723779U - Electric toothbrush with excellent waterproof performance - Google Patents

Abstract

The utility model discloses an electric toothbrush that waterproof performance is good, it is including the handle and locate the toothbrush head of handle upper end, be equipped with in the handle and be used for ordering about toothbrush head wobbling core assembly, the lower extreme of handle is equipped with the bottom opening, the bottom opening interpolation is equipped with the bottom, just the bottom with the mutual block of handle, the seal ring groove has been seted up to the lateral wall of bottom, the seal ring inslot is equipped with the sealing washer, the step mouth has been seted up to the inner wall of handle, the step mouth is followed and vertical step is followed including horizontal step, the sealing washer is located in the step mouth, just horizontal step is followed with vertical step along all with the inseparable butt of sealing washer. The utility model discloses can effectively improve the sealing performance of bottom and handle junction, and then promote dampproofing and waterproofing ability.

Description

Electric toothbrush with excellent waterproof performance

Technical Field

The utility model relates to an electric toothbrush especially relates to an electric toothbrush that waterproof performance is good.

Background

Electric toothbrush a small-size electronic product for cleaning tooth, it generally includes the handle, toothbrush head and the inside motor that is located the handle, in the use, it realizes electronic brushing to drive the high-speed shake of toothbrush head through the motor, for realizing above-mentioned function, electric toothbrush need set up the PCB board in the handle, the battery etc., because of containing electronic device, so need set up good sealing mechanism to the closing cap position in electric toothbrush, current sealing mechanism is direct cup joints the sealing washer on the closing cap, realize sealing function through the butt of sealing washer with the handle inner wall, but because of the handle inner wall is smooth structure, its contact position with the sealing washer is difficult to guarantee to have water infiltration, and the water that infiltrates to in the handle can be to the PCB board, devices such as battery cause harmful effects, not only can lead to electric toothbrush's life to reduce, serious person still can lead to electric toothbrush short circuit, malfunctioning etc.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art not enough, provide one kind and can effectively improve the sealing performance of bottom and handle junction, and then promote the electric toothbrush of dampproofing and waterproofing ability.

In order to solve the technical problem, the utility model adopts the following technical scheme.

The utility model provides an excellent waterproof performance's electric toothbrush, its is including the handle and locate the toothbrush head of handle upper end, be equipped with in the handle and be used for ordering about toothbrush head wobbling core assembly, the lower extreme of handle is equipped with the bottom opening, the bottom opening interpolation is equipped with the bottom, just the bottom with the mutual block of handle, the sealing washer groove has been seted up to the lateral wall of bottom, the sealing washer inslot is equipped with the sealing washer, the step mouth has been seted up to the inner wall of handle, the step mouth is followed and vertical step is followed including horizontal step, the sealing washer is located in the step mouth, just horizontal step edge with vertical step edge all with the inseparable butt of sealing washer.

Preferably, the lower end of the longitudinal step is formed with an annular flange protruding inward, and the annular flange is in close abutment with the outer side wall of the bottom cover.

Preferably, the bottom cover includes two lugs that extend upwards, and two lugs symmetry are located the both sides of bottom cover, the top of lug is formed with the collude knot, two bayonets have been seted up to the inside of handle, collude the knot with the bayonet socket one-to-one, just collude the knot card and locate in the bayonet socket.

Preferably, the portable electric heating cooker comprises a base, wherein a stand column is formed in the center of the top of the base, and a jack capable of being in plug-in fit with the stand column is formed at the bottom of the bottom cover.

Preferably, the base comprises a top shell and a bottom shell which are spliced and fixed up and down.

Preferably, the pillar is located at the center of the top case, and the pillar is integrally formed with the top case.

Preferably, be equipped with wireless transmitting coil that charges in the cavity that top shell and drain pan formed, wireless transmitting coil that charges laminate in the top shell, the inboard of bottom cover is equipped with wireless receiving coil that charges, wireless receiving coil that charges with wireless transmitting coil aligns the setting, just wireless receiving coil that charges with core assembly electric connection.

Preferably, the center department of drain pan is fixed with the support column that upwards extends, the upper end of support column is fixed with the wireless PCB board that charges, wireless transmitting coil that charges locates on the wireless PCB board that charges.

Preferably, the wireless charging PCB further comprises a cable penetrating through the side wall of the bottom shell, and the cable is electrically connected with the wireless charging PCB.

Preferably, the upper end of the handle is sleeved with an end cover, and the toothbrush head is positioned in the end cover.

The utility model discloses an among the electric toothbrush that waterproof performance is good, the upper end of handle is equipped with the toothbrush head, be equipped with in the handle and be used for ordering about toothbrush head wobbling core assembly has constituteed electric toothbrush's basic function structure from this, on this basis, the utility model discloses the bottom opening interpolation of handle lower extreme is equipped with the bottom the sealing washer inslot that the bottom lateral wall was seted up is equipped with the sealing washer, is in simultaneously the inner wall of handle is seted up and is contained the step mouth on horizontal step edge and vertical step edge, and is equipped with when the cover is equipped with the sealing washer the bottom is inserted and is located when within the bottom opening, the sealing washer be close to the upper end with horizontal step edge closely abuts to realize horizontal sealing, the sealing washer be close to the position in the outside with vertical step edge closely abuts, thereby realize vertical sealing, compare prior art, the utility model discloses a sealing washer with horizontal step edge with the common cooperation on vertical step edge has improved by a wide margin the sealing performance of bottom and handle junction, moreover the step structure of step mouth can also play the prevention infiltration effect, has effectively promoted electric toothbrush's dampproofing and can, and then satisfy the application demand.

Drawings

Fig. 1 is a perspective view of an electric toothbrush according to a first embodiment of the present invention;

fig. 2 is a partially exploded view of the electric toothbrush according to the first embodiment of the present invention;

fig. 3 is a partially exploded view of the electric toothbrush in accordance with the first embodiment of the present invention;

fig. 4 is a sectional view of the electric toothbrush according to the first embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a view showing the structure of the joint between the bottom cover and the base according to the first embodiment of the present invention;

FIG. 8 is a view showing an internal structure of a base according to a first embodiment of the present invention;

fig. 9 is a perspective view of an electric toothbrush in a second embodiment of the present invention;

fig. 10 is a partially exploded view of a powered toothbrush in accordance with a second embodiment of the present invention;

fig. 11 is a partially exploded view of a second embodiment of the electric toothbrush of the present invention;

fig. 12 is an exploded view of a powered toothbrush in accordance with a second embodiment of the present invention;

fig. 13 is an internal structural view of a handle according to a second embodiment of the present invention;

fig. 14 is a side view of a handle according to a second embodiment of the present invention;

FIG. 15 is a cross-sectional view taken along line C-C of FIG. 14;

fig. 16 is an enlarged view of portion B of fig. 15;

fig. 17 is a view showing the structure of the bottom cap and the bottom end plug in the second embodiment of the present invention;

fig. 18 is a partially exploded view of a third embodiment of the electric toothbrush of the present invention;

fig. 19 is an internal structural view of an end cap according to a third embodiment of the present invention;

fig. 20 is a partially exploded view of a fourth embodiment of the electric toothbrush of the present invention.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Example one

This embodiment has provided an electric toothbrush that waterproof performance is good, and it is shown with fig. 1 to 8 that it includes handle 1 and locates toothbrush head 2 of handle 1 upper end, be equipped with in the handle 1 and be used for driving about toothbrush head 2 wobbling core component 3, the lower extreme of handle 1 is equipped with bottom opening 10, bottom opening 10 interpolation is equipped with bottom 4, just bottom 4 with the mutual block of handle 1, the sealing washer groove 40 has been seted up to the lateral wall of bottom 4, be equipped with sealing washer 41 in the sealing washer groove 40, step mouth 11 has been seted up to the inner wall of handle 1, step mouth 11 is including horizontal step edge 12 and vertical step edge 13, sealing washer 41 is located in the step mouth 11, just horizontal step edge 12 with vertical step edge 13 all with sealing washer 41 inseparable butt. In the structure, the upper end of handle 1 is equipped with toothbrush head 2, be equipped with in handle 1 and be used for ordering about toothbrush head 2 wobbling core assembly 3 has constituteed electric toothbrush's basic function structure from this, on this basis, the utility model discloses be equipped with bottom 4 in the bottom opening 10 interpolation of handle 1 lower extreme be equipped with sealing washer 41 in the sealing washer groove 40 that bottom 4 lateral wall was seted up, be in simultaneously the inner wall of handle 1 has been seted up and has been contained horizontal step along 12 and vertical step along 13 step mouth 11, and when the cover was equipped with sealing washer 41 bottom 4 is inserted and is located in bottom opening 10, sealing washer 41 be close to the position of upper end with horizontal step along 12 inseparable butt, thereby realize transverse seal, sealing washer 41 be close to the outside with vertical step along 13 inseparable butt, thereby realize vertical seal, compare prior art, the utility model discloses a sealing washer 41 with horizontal step along 12 with vertical step along 13's common cooperation, improved by a wide margin the sealing performance of bottom 4 and handle 1 junction, moreover the step structure of step mouth 11 can also play the prevention effect of preventing effectively promotes the dampproofing ability, has further satisfied the electronic water-proof demand of using.

In order to be more closely abutted against and fitted to the bottom cover 4, in the present embodiment, the lower end of the longitudinal step 13 is formed with an annular flange 14 protruding inward, and the annular flange 14 is closely abutted against the outer side wall of the bottom cover 4.

In this embodiment, the bottom cover 4 is connected to the handle 1 in a clamping manner, specifically, the bottom cover 4 includes two support lugs 42 extending upward, the two support lugs 42 are symmetrically disposed on two sides of the bottom cover 4, a hook 43 is formed on a top end of each support lug 42, two bayonets 15 are disposed inside the handle 1, the hook 43 corresponds to the bayonets 15 one by one, and the hook 43 is clamped in the bayonets 15.

Preferably, the present embodiment includes a base 5, a pillar 50 is formed at the center of the top of the base 5, and an insertion hole 44 capable of being inserted into and matched with the pillar 50 is formed at the bottom of the bottom cover 4. Wherein, the electric toothbrush can be stably and vertically inserted into the top of the base 5 through the insertion fit of the upright column 50 and the insertion hole 44.

Regarding the specific mechanism of the base 5, in the present embodiment, the base 5 includes a top shell 51 and a bottom shell 52 that are fixed in a vertically-split manner. Further, the pillar 50 is located at the center of the top case 51, and the pillar 50 is integrally formed with the top case 51.

The electric toothbrush in the embodiment has a wireless charging function, specifically, a wireless charging transmitting coil 53 is arranged in a cavity formed by the top shell 51 and the bottom shell 52, the wireless charging transmitting coil 53 is attached to the top shell 51, a wireless charging receiving coil 45 is arranged on the inner side of the bottom cover 4, the wireless charging receiving coil 45 is aligned with the wireless charging transmitting coil 53, and the wireless charging receiving coil 45 is electrically connected with the movement assembly 3. In the above structure, based on the cooperation between the wireless charging receiving coil 45 and the wireless charging transmitting coil 53, the base 5 can support the electric toothbrush and can also wirelessly charge the battery.

Further, a support column 54 extending upward is fixed at the center of the bottom case 52, a wireless charging PCB 55 is fixed at the upper end of the support column 54, and the wireless charging transmitting coil 53 is arranged on the wireless charging PCB 55. Under the combined action of the supporting column 54 and the wireless charging PCB 55, the wireless charging receiving coil 45 can be kept in a position attached to the top case 51.

On this basis, the present embodiment further includes a cable 56 passing through the sidewall of the bottom case 52, and the cable 56 is electrically connected to the wireless charging PCB 55. Further, the upper end of the handle 1 is sleeved with an end cover 6, and the toothbrush head 2 is positioned in the end cover 6.

Example two

The present embodiment provides an electric toothbrush easy to assemble and position, as shown in fig. 9 to 17, which includes a handle 1, a toothbrush head 2 is disposed at an upper end of the handle 1, a movement assembly 3 is disposed in the handle 1, the movement assembly 3 includes an inner bracket 30, a motor support 31, a motor 32, and a battery 33, a battery mounting groove 34 is formed on the inner bracket 30, an upper baffle 35 and a lower baffle 36 are respectively disposed at upper and lower ends of the battery mounting groove 34, the battery 33 is disposed in the battery mounting groove 34, the battery 33 is sandwiched between the upper baffle 35 and the lower baffle 36, the motor support 31 is sandwiched between a lower end of the motor 32 and an upper end of the upper baffle 35, an output shaft 320 at an upper end of the motor 32 is in transmission connection with the toothbrush head 2, an upper cut-off portion 350 is formed at an edge of the upper baffle 35, a lower cut-off portion 360 is formed at an edge of the lower baffle 36, the upper cut-off portion 350 and the lower cut-off portion 360 are aligned up and down, two vertical ribs 16 are formed on an inner wall of the handle 1, and the upper cut-off vertical ribs 350 and 360 are abutted against each other vertical ribs 16. In the structure, under the mutual abutting and matching action of the two vertical convex ribs 16 and the upper cut surface part 350 and the lower cut surface part 360, the auxiliary alignment function can be realized in the assembling process, so that the assembling efficiency is improved, and the product quality is promoted.

Preferably, the lower end of the vertical rib 16 is formed with a guide rib 160, and the height of the guide rib 160 is smaller than the height of the vertical rib 16. Further, a slope guide 161 is formed at the connection of the guide strip rib 160 and the vertical rib 16. In the above structure, at the beginning of loading the movement assembly 3, the movement assembly 3 can slide inward along the guide rib 160 while ensuring that the upper cut surface portion 350 and the lower cut surface portion 360 are aligned with the guide rib 160.

In order to fix the bottom of the motor 32, in this embodiment, two motor insertion parts 351 extending upward are formed at the top of the upper cutting surface part 350, two motor insertion holes 320 are formed at the lower end of the motor 32, the motor insertion parts 351 are aligned with the motor insertion holes 320 one by one, and the motor insertion parts 351 penetrate through the motor holder 31 and are inserted into the motor insertion holes 320. In order to fix the top of the motor 32, in this embodiment, a motor top cover 37 is disposed in the handle 1, a motor bayonet 370 is disposed at the bottom of the motor top cover 37, the upper end of the motor 32 is clamped in the motor bayonet 370, and the output shaft 320 passes through the motor top cover 37.

In this embodiment, after the movement assembly 3 is installed in the handle 1, the movement assembly 3 needs to be clamped and fixed in the handle 1, in order to implement clamping and matching, in this embodiment, two outward bent buckles 300 are formed at the lower end of the inner support 30, the two buckles 300 are symmetrically arranged at two sides of the inner support 30, two symmetrically arranged positioning clamping grooves 17 are formed in the inner wall of the handle 1, and the two buckles 300 are respectively clamped and arranged in the two positioning clamping grooves 17. In this embodiment, a wired charging function is preferably adopted, specifically, a bottom cover 4 is inserted into the bottom of the handle 1, a bottom cover recess 400 is formed at the bottom of the bottom cover 4, a charging plug port 401 is arranged in the bottom cover recess 400, a bottom end plug 402 is arranged in the bottom cover recess 400 and is tightly matched with the bottom end plug, and the bottom end plug 402 covers the charging plug port 401. In practical application, a PCB main board 7 is arranged in the handle 1, and the motor 32, the UVC ultraviolet lamp bead 192, the charging plug port 401 and the battery 33 are electrically connected to the PCB main board 7.

EXAMPLE III

This embodiment has proposed an electric toothbrush with ultraviolet sterilization function, combine fig. 18 to fig. 20 to show, it is including handle 1, locate toothbrush head 2 and the lid of handle 1 upper end fit in the end cover 6 in the toothbrush head 2 outside, the upper end of handle 1 is formed with hemispherical end portion 18, the lateral part of end portion 18 is formed with dodges mouthful 180, the upper end of handle 1 is fixed with end cap 19, end cap 19 cover is located the outside of end portion 18, the inboard of end cap 19 is formed with holds inner shell 190, it is located to hold inner shell 190 within dodging mouthful 180, it is equipped with LED support 191 in the inner shell 190 to hold, the top of LED support 191 is equipped with UVC ultraviolet lamp pearl 192, the top of C ultraviolet lamp pearl 192 covers condenser lens 193, lens hole 194 has been seted up on the end cap 19, condenser lens 193 passes lens hole 194, and condenser lens faces toothbrush head 2's brush hair portion 200, hollowed hole 601 has been seted up at the top of end cover 6, the lower extreme of end cover 6 with it forms air inlet gap 193 to hold between the lateral wall of inner shell 190. When the UVC ultraviolet lamp beads 192 irradiate ultraviolet light to the bristle part 200, hot air or hot water mist generated by heat rises and diffuses outwards through the hollow holes 601, so that an air flow passage is formed between an air inlet gap at the lower end of the end cover 6 and the hollow holes 601, and evaporation of water vapor is facilitated under the action of air flow.

In order to further improve the sealing performance, in this embodiment, a lens sealing ring 195 is sleeved on the condenser lens 193, and the lens sealing ring 195 is in sealing fit with the edge of the lens hole 194. For making 6 lower extremes of end cover with form air intake gap between the lateral wall that holds inner shell 190, in this embodiment, the bottom opening inboard of end cover 6 is formed with a plurality of bump portions 600, and a plurality of bump portions 600 are followed evenly distributed around the bottom opening of end cover 6, just bump portion 600 to the inboard protrusion of bottom opening of end cover 6, when end cover 6 approximately fits when the outside of toothbrush head 2, bump portion 600 butt in hold the lateral wall of inner shell 190.

Preferably, a first ferromagnetic block 602 is fixed on the inner side of the end cap 6, a second ferromagnetic block 603 is fixed on the end head 18, and the first ferromagnetic block 602 and the second ferromagnetic block 603 are aligned up and down and magnetically attracted to each other. In the above structure, under the magnetic attraction cooperation of the first ferromagnetic block 602 and the second ferromagnetic block 603, the end cap 6 and the handle 1 can be kept aligned, so that the influence of the end cap 6 being tilted to the ultraviolet sterilization effect can be avoided when the end cap 6 is covered. Further, the first ferromagnetic block 602 is a magnet, and the second ferromagnetic block 603 is a magnet or an iron block. In this embodiment, a magnet holder 603 is fixed to the inner side of the end cap 6, and the first ferromagnetic block 602 is mounted on the magnet holder 603. In order to save space, in this embodiment, the end head 18 is formed with an end head avoiding groove 605, and the second ferromagnetic block 603 is fixed in the end head avoiding groove 605.

Preferably, the inner wall of the bottom opening of the end cap 6 is formed with an inner tapered surface 606, and the convex point portion 600 is formed on the inner tapered surface 606. Wherein an air inlet gap is more easily formed between the inner tapered surface 606 and the outer sidewall of the inner receiving shell 190. In this embodiment, the inner tapered surface 606 has 4 protruding portions 600 formed thereon.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements, or improvements made within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an electric toothbrush that waterproof performance is good, characterized in that, including handle (1) and locate toothbrush head (2) of handle (1) upper end, be equipped with in handle (1) and be used for driving toothbrush head (2) wobbling core assembly (3), the lower extreme of handle (1) is equipped with bottom opening (10), bottom opening (10) interpolation is equipped with bottom (4), just bottom (4) with the mutual block of handle (1), seal ring groove (40) have been seted up to the lateral wall of bottom (4), be equipped with sealing washer (41) in seal ring groove (40), step mouth (11) have been seted up to the inner wall of handle (1), step mouth (11) are including horizontal step edge (12) and vertical step edge (13), sealing washer (41) are located in step mouth (11), just horizontal step edge (12) with vertical step edge (13) all with sealing washer (41) closely butt.

2. The electric toothbrush having excellent waterproof performance according to claim 1, wherein the lower end of the longitudinal step (13) is formed with an annular flange (14) protruding inward, and the annular flange (14) is in close contact with the outer side wall of the bottom cover (4).

3. The electric toothbrush with excellent waterproof performance as claimed in claim 1, wherein the bottom cover (4) comprises two supporting lugs (42) extending upwards, the two supporting lugs (42) are symmetrically arranged at two sides of the bottom cover (4), a hook buckle (43) is formed at the top end of each supporting lug (42), two bayonets (15) are arranged inside the handle (1), the hook buckles (43) correspond to the bayonets (15) one by one, and the hook buckles (43) are clamped in the bayonets (15).

4. The electric toothbrush with excellent waterproof performance according to claim 1, wherein the electric toothbrush comprises a base (5), a column (50) is formed at the center of the top of the base (5), and a jack (44) capable of being inserted and matched with the column (50) is formed at the bottom of the bottom cover (4).

5. The electric toothbrush having excellent waterproof property according to claim 4, wherein the base (5) comprises a top case (51) and a bottom case (52) which are fixed by being vertically split.

6. The electric toothbrush having excellent waterproof property according to claim 5, wherein the pillar (50) is located at the center of the top case (51), and the pillar (50) is integrally formed with the top case (51).

7. The electric toothbrush with excellent waterproof performance according to claim 6, wherein a wireless charging transmitting coil (53) is arranged in a cavity formed by the top shell (51) and the bottom shell (52), the wireless charging transmitting coil (53) is attached to the top shell (51), a wireless charging receiving coil (45) is arranged on the inner side of the bottom cover (4), the wireless charging receiving coil (45) is aligned with the wireless charging transmitting coil (53), and the wireless charging receiving coil (45) is electrically connected with the movement assembly (3).

8. The electric toothbrush with excellent waterproof performance as claimed in claim 7, wherein a support pillar (54) extending upward is fixed at the center of the bottom case (52), a wireless charging PCB (55) is fixed at the upper end of the support pillar (54), and the wireless charging transmitting coil (53) is disposed on the wireless charging PCB (55).

9. The electric toothbrush having excellent waterproof performance as claimed in claim 7, further comprising a cable (56) passing through a sidewall of the bottom case (52), wherein the cable (56) is electrically connected to the wireless charging PCB board (55).

10. The electric toothbrush having excellent waterproof property according to claim 1, wherein an end cap (6) is fitted over the upper end of the handle (1), and the toothbrush head (2) is located inside the end cap (6).

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