CN209966619U

CN209966619U - Waterproof electric toothbrush

Info

Publication number: CN209966619U
Application number: CN201920314296.2U
Authority: CN
Inventors: 胡会杰; 谢攀峰
Original assignee: Shenzhen Libai Technology Co Ltd
Current assignee: Shenzhen Libai Technology Co Ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-01-21
Anticipated expiration: 2029-03-12

Abstract

The utility model discloses a waterproof electric toothbrush, including face-piece and drain pan, face-piece and drain pan setting hold the chamber for hold circuit board, motor and battery, the electricity connection each other between circuit board, motor and the battery, the face-piece or/and drain pan front and back end set up stretching out of pin needle that first through-hole is used for the motor and is connected with the battery, and the face-piece passes through the butt fusion lid and closes on the drain pan, makes both become an organic whole. The preferred butt fusion mode is ultrasonic fusion, and after face-piece and drain pan concatenation were good, melt face-piece and drain pan as an organic whole through ultrasonic fusion, not only effectually solved on the market by the structure of the smooth concatenation of inserting of two casings use for a long time or fall the back, the not hard up of the part of smooth insertion makes the waterproof performance of fuselage reduce, and ultrasonic fusion casing also makes the assembly more convenient moreover, labour saving and time saving.

Description

Waterproof electric toothbrush

Technical Field

The utility model relates to a personal care product, more specifically the waterproof electric toothbrush that says so relates to.

Background

Along with the improvement of living standard, people's requirement to personal care product is higher and higher, more people have selected electric toothbrush to replace traditional toothbrush, electric toothbrush's in the present market fuselage casing is formed by two shells through the cooperation of slip plug, the side is because the grafting is sealed, thereby play waterproof effect, but the problem that such waterproof construction exists is two shells or solitary individuality, in case the machine falls from the eminence and just causes the not hard up of slip plug part and makes waterproof effect inefficacy easily, electric toothbrush's waterproof construction once destroyed, cause inside circuit board, battery and motor to intake when using very easily and make whole electric toothbrush scrap, and the industrial manufacturing requirement of slip plug structure to two casings is higher, need with accurate calculation two casings on the cooperation between the slip plug, waste time and energy.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a waterproof electric toothbrush utilizes ultrasonic bonding face-piece and drain pan, and the leakproofness is difficult to destroyed.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a waterproof electric toothbrush, includes face-piece and drain pan, and face-piece and drain pan setting hold the chamber for hold circuit board, motor and battery, electric connection each other between circuit board, motor and the battery, the front and back end of face-piece or/and drain pan sets up stretching out of first through-hole pin that is used for the motor and is connected with the battery, and the face-piece covers through the butt fusion on the drain pan, makes both become an organic whole.

As a further improvement of the utility model, the surface of the whole body of the face shell and the bottom shell is provided with a machine body shell.

As a further improvement, the fuselage shell is sealed by the top preforming and the bottom preforming that set up in both sides, sets up the fourth through-hole that supplies the motor to extend on the top preforming, sets up the fifth through-hole that supplies battery charging outfit and pin needle to be connected on the bottom preforming.

As the utility model discloses a further improvement sets up button and pilot lamp on the circuit board, sets up the window that the button corresponds according to briquetting and pilot lamp on the face-piece, is provided with the opening that supplies to press briquetting and pilot lamp to expose on the fuselage shell.

As a further improvement of the utility model, the edges that face-piece and drain pan lid closed are the cusp and cooperate each other to peg graft, and the contact surface of pegging graft each other becomes an organic whole through the butt fusion.

As a further improvement of the utility model, still set up waterproof casting die on the tip that face-piece and drain pan are close to the motor, the motor outwards stretches out the motor shaft through first through-hole, waterproof casting die is provided with the second through-hole, waterproof casting die passes the motor shaft lock through the second through-hole on the tip of face-piece and drain pan, the tip and the waterproof casting die lid department of closing of face-piece and drain pan still are provided with soft cushion, the soft cushion relies on when elastic action extends the motor shaft to waterproof casting die and motor, motor shaft and first through-hole, the clearance of second through-hole is sealed, and seal up the clearance of waterproof casting die and the tip of face-piece and drain pan.

As a further improvement, the flexible glue pad comprises a pipe barrel and a rubber plate, the upper surface of the rubber plate is attached to the inner surface of the waterproof pressing part, the lower surface of the rubber plate is attached to the end surface of the shell and the bottom shell, the pipe barrel is arranged on the rubber plate, and the pipe barrel sleeve is arranged in the second through hole and is provided with a third through hole for the motor shaft to pass through and attach to the sealed motor shaft.

As a further improvement of the utility model, the bobbin includes the last barrel portion that extends to rubber disc one side, and the tip of going up the barrel portion has the boss that forms to the outside protrusion, goes up the barrel portion cover and locates in the second through-hole and with the laminating of second through-hole inner wall sealed, the boss is located the tip of second through-hole to seal the periphery of second through-hole and last barrel portion at the tip, the bobbin still includes for last barrel portion to the lower barrel portion that the rubber disc opposite side extended, lower barrel portion cover is established in the first through-hole and is sealed with the inner wall laminating.

As the utility model discloses a further improvement has seted up first ring channel on the whole body of waterproof casting die, sets up first waterproof circle in the first ring channel, and waterproof casting die passes through the fastener and installs the tip at face-piece and drain pan, and first waterproof circle cooperates with the fuselage shell in the outside.

As a further improvement, the end part of the face shell and the bottom shell close to the battery is provided with a second annular groove, a second waterproof ring is arranged in the second annular groove, and the second waterproof ring is matched with the outer body shell of the outer side.

The utility model discloses an advantageous effect, preferred butt fusion mode are the ultrasonic fusion, and face-piece and drain pan concatenation back are good, fuse face-piece and drain pan as an organic whole through the ultrasonic fusion, and not only effectual solved on the market by the structure of the smooth concatenation of inserting of two casings use for a long time or fall the back, and the not hard up waterproof performance who makes the fuselage that slides the portion of inserting reduces, and the ultrasonic fusion casing also makes the assembly more convenient moreover, labour saving and time saving.

Drawings

FIG. 1 is an exploded view of a waterproof electric toothbrush;

FIG. 2 is a schematic view of a top structure of a waterproof electric toothbrush;

FIG. 3 is a schematic view of a bottom structure of a waterproof electric toothbrush;

FIG. 4 is a schematic view of a waterproof press member of a waterproof electric toothbrush;

FIG. 5 is a schematic view of a soft rubber pad of a waterproof electric toothbrush;

fig. 6 is a front view of a soft rubber pad of a waterproof electric toothbrush.

Reference numerals

1. A face shell; 11. a window; 12. a pressing block; 13. a second annular groove; 2. a bottom case; 21. an accommodating chamber; 22. a first through hole; 3. a battery; 31. a pin needle; 4. a motor; 41. pressing a key; 42. an indicator light; 43. A motor shaft; 5. a second waterproof ring; 6. a waterproof press part; 61. a first waterproof ring; 62. a second through hole; 63. A first annular groove; 7. a soft rubber cushion; 71. a rubber plate; 72. a tube barrel; 721. an upper cylinder part; 722. a boss; 723. A lower cylinder part; 73. a third through hole; 8. a fuselage shell; 81. an opening; 9. bottom tabletting; 91. a fifth through hole; 10. top tabletting; 101. and a fourth via.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1-6, the waterproof electric toothbrush of the present embodiment comprises a face shell 1 and a bottom shell 2, the face shell 1 and the bottom shell 2 are provided with a containing cavity 21 for containing a circuit board, a motor 4 and a battery 3, the circuit board, the motor 4 and the battery 3 are electrically connected with each other, the front end and the rear end of the face shell 1 or/and the bottom shell 2 are provided with first through holes 22 for extending the motor 4 and a pin 31 connected with the battery 3, the face shell 1 is covered on the bottom shell 2 through welding to integrate the two into a whole, the preferred welding mode is ultrasonic welding, after the face shell 1 and the bottom shell 2 are spliced, the face shell 1 and the bottom shell 2 are welded into a whole through ultrasonic welding, which not only effectively solves the problem that the waterproof performance of the toothbrush body is reduced due to the looseness of a sliding insertion part of the two shells in the market after the sliding insertion splicing structure is used for a long time or falls off, but also, time and labor are saved.

As a modified embodiment, the surface of the whole body of the face shell 1 and the bottom shell 2 is sleeved with the machine body shell 8, the arrangement of the machine body shell 8 is to protect the inner bottom shell 2 and the face shell 1, the waterproof performance is further improved, welding marks are shielded, and the integral product is more attractive.

As an improved specific implementation mode, the machine body shell 8 is sealed by a top pressing sheet 10 and a bottom pressing sheet 9 which are arranged on two sides, a fourth through hole 101 for the extension of the motor 4 is formed in the top pressing sheet 10, a fifth through hole 91 for the connection of the charging equipment and the pin 31 is formed in the bottom pressing sheet 9, the machine body shell 8 only wraps the whole body of the face shell 1 and the bottom shell 2, the top pressing sheet 10 and the bottom pressing sheet 9 are arranged to seal the upper end and the lower end of the face shell 1 and the bottom shell 2, equivalently, a layer of waterproof measure is additionally arranged outside the face shell 1 and the bottom shell 2, the waterproof property of the machine body shell 8 is ensured, the arrangement of the through holes in the pressing sheets is realized, and the normal operation of the electric toothbrush is not influenced under the waterproof measure.

As an improved specific embodiment, the circuit board is provided with the key 41 and the indicator lamp 42, the face casing 1 is provided with the window 11 corresponding to the pressing block 12 and the indicator lamp 42 corresponding to the key 41, the body casing 8 is provided with the opening 81 through which the pressing block 12 and the indicator lamp 42 are exposed, the key 41 on the circuit board is controlled by the pressing block 12, the window 11 can also visually feed back the information of the indicator lamp 42 on the circuit board to a client, and the body casing 8 is only provided with the opening 81 through which the pressing block 12 and the indicator lamp 42 are exposed, so that the whole body is more beautiful.

As a modified embodiment, the edge that face-piece 1 and drain pan 2 lid closed is the cusp and cooperatees the grafting each other, and the contact surface of pegging graft each other becomes integrative through the butt fusion, and the cusp is pegged graft and is made face-piece 1 and drain pan 2 under the state that does not have the butt fusion, has formed a firm enclosure space, and rethread ultrasonic fusion makes face-piece 1 and drain pan 2 form the integration to the area of contact has been strengthened in the grafting of cusp, makes the weld line longer, plays firmer effect.

As an improved specific embodiment, the end parts of the face shell 1 and the bottom shell 2 close to the motor 4 are further provided with a waterproof pressing part 6, the motor 4 extends out of the motor shaft 43 through the first through hole 22, the waterproof pressing part 6 is provided with a second through hole 62, the waterproof pressing part 6 penetrates through the motor shaft 43 through the second through hole 62 and is buckled on the end parts of the face shell 1 and the bottom shell 2, a soft rubber pad 7 is further arranged at the position where the end parts of the face shell 1 and the bottom shell 2 are covered with the waterproof pressing part 6, when the waterproof pressing part 6 and the motor 4 extend the motor shaft 43 by virtue of the elastic action of the soft rubber pad 7, the gaps between the motor shaft 43 and the first through hole 22 and the second through hole 62 are sealed, and the gaps between the waterproof pressing part 6 and the end parts of the face shell 1 and the bottom shell 2 are sealed, the waterproof pressing part 6 and the soft rubber pad 7 are arranged at the upper ends of the face shell 1 and the bottom shell 2, compared with the split arrangement that, the precision and the matching requirement of the product are relatively reduced, the waterproof stability of the machine body shell 8 is improved, the interference fit between the waterproof pressing part 6 and the soft rubber pad 7 is adopted, the soft rubber pad 7 is tightly attached to the motor shaft 43, the first through hole 22 and the second through hole 62 are filled in the gap between the motor shaft 43 through deformation, the waterproof performance of the machine body shell 8 is also ensured, the waterproof pressing part 6 can be detachably arranged on the machine body shell 8 through a fastening piece, for example, a screw penetrates through the waterproof pressing part 6 and the soft rubber pad 7 through the screw, the waterproof pressing part 6 and the soft rubber pad 7 are fastened on the machine body shell 8 through the screw, the sealing performance is improved, the waterproof pressing part 6 can be in threaded fit with the upper ends of the face shell 1 and the bottom shell 2 to fasten the waterproof pressing part 6 and the soft rubber pad 7, and one or more rings of snap rings (the snap rings can be continuous bulges on the surface or discontinuous bulges on the inner wall of the waterproof pressing part 6), according to the elasticity of the waterproof pressing piece, the snap rings of the two parts are clamped mutually in a pressing mode to fasten the waterproof pressing piece 6 on the face shell 1 and the bottom shell 2.

As a modified specific embodiment, the soft rubber pad 7 includes a tube 72 and a rubber disc 71, the upper surface of the rubber disc 71 is attached to the inner surface of the waterproof pressing member 6, the lower surface of the rubber disc 71 is attached to the end surfaces of the face shell 1 and the bottom shell 2, the tube 72 is disposed on the rubber disc 71, the tube 72 is sleeved in the second through hole 62 and is provided with a third through hole 73 for the motor shaft 43 to pass through and attach to and seal the motor shaft 43, the rubber disc 71 is disposed such that the rubber disc 71 is attached to the end surfaces of the face shell 1 and the bottom shell 2 and the inner surface of the waterproof pressing member 6 after being deformed by extrusion, a gap between the end portions of the face shell 1 and the bottom shell 2 and the waterproof pressing member 6 is sealed, the tube 72 is disposed such that the gap between the motor shaft 43 when passing through the first through hole 22 and the second through hole 62 is also sealed by the tube 72 when the waterproof pressing member 6 is covered on the end portions of the face shell 1 and the bottom shell 2, has good waterproof effect.

As a modified embodiment, the tube 72 includes an upper tube portion 721 extending to one side of the rubber disc 71, the end of the upper tube portion 721 has a boss 722 protruding outward, the upper tube portion 721 is sleeved in the second through hole 62 and is sealed with the inner wall of the second through hole 62, the boss 722 is located at the end of the second through hole 62 and is used for sealing the periphery of the second through hole 62 and the upper tube portion 721, the boss 722 is arranged to make the gap between the second through hole 62 and the motor shaft 43 closed by the soft rubber pad 7, so as to achieve a good waterproof effect, the upper tube portion 721 can also be sleeved with a spring, the spring is sleeved on the spring to press the upper tube portion 721, at this time, the upper tube portion 721 is deformed by being pressed, the protrusion is pressed from the gap of the spring to be sealed with the inner wall of the second through hole 62, so that the upper tube portion 721 is more tightly attached to the motor shaft 43, so that water is less likely to flow from the opening of the upper tube, because the motor shaft 43 vibrates left and right during operation, the close fit of the upper barrel part 721 does not affect the normal use of the motor shaft 43, the tube barrel 72 further comprises a lower barrel part 723 which extends to the other side of the rubber disc 71 relative to the upper barrel part 721, the lower barrel part 723 is sleeved in the first through hole 22 and is in fit sealing with the inner wall, the lower barrel part 723 is used for sleeving the lower barrel part 723 in the first through hole 22 and is in fit sealing with the inner wall, the periphery of the orifice of the first through hole 22 is sealed and waterproof, the matching of the soft rubber gasket 7 and the waterproof pressing part 6 enables the machine body shell 8 to have multiple waterproof measures, even if water flows in from the second through hole 62, the sealing measures of the rubber disc 71 are adopted, the flowing in from the rubber disc 71 and the sealing measures of the first through hole 22 by the lower barrel part 723, the close fit of the upper barrel part 721 and the motor shaft 43 also enables the water to hardly flow in from the opening of the upper barrel part 721, the edge of the rubber disc 71 is, the bead receives the extrusion when waterproof casting die 6 and fuselage shell 8 installation are as an organic whole to further seal the clearance, and the setting of bead has increaseed the area of contact of rubber disk 71 with waterproof casting die 6 and fuselage shell 8, improves interference fit's effect, has better leakproofness.

As an improved specific embodiment, the end portions of the face shell 1 and the bottom shell 2 close to the motor 4 are further provided with a waterproof pressing member 6, the motor 4 extends out of the motor shaft 43 through the first through hole 22, the waterproof pressing member 6 is provided with a second through hole 62, the waterproof pressing member 6 passes through the motor shaft 43 through the second through hole 62 and is fastened on the end portions of the face shell 1 and the bottom shell 2, a first annular groove 63 is formed on the whole body of the waterproof pressing member 6, a first waterproof ring 61 is arranged in the first annular groove 63, the waterproof pressing member 6 is mounted on the end portions of the face shell 1 and the bottom shell 2 through fasteners, the first waterproof ring 61 is matched with the outer machine body shell 8, the annular groove is tightly attached to an annular step inside the waterproof pressing member 6, and then the waterproof pressing member 6 is fixed through the fasteners so as to be more firmly arranged on the end portions of the face shell 1 and the bottom shell 2, just like an outer, first waterproof circle 61 is established the back and is cooperated with the fuselage shell 8 in the outside in fuselage shell 8 cover, and first waterproof circle 61 is the rubber material, and extrusion takes place deformation and fuselage shell 8 closely must the laminating together after fuselage shell 8 cover is established, has reduced the possibility that water flows in from fuselage shell 8 front end.

As a specific embodiment of the improvement, a second annular groove 13 is formed around the end portions of the face shell 1 and the bottom shell 2 close to the battery 3, a second waterproof ring 5 is arranged in the second annular groove 13, the second waterproof ring 5 is matched with the outer machine body shell 8, the second waterproof ring 5 is made of rubber, and the machine body shell 8 is tightly attached to the machine body shell 8 after being sleeved, so that the possibility that water flows in from the rear end of the machine body shell 8 is reduced.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a waterproof electric toothbrush, its characterized in that, includes face-piece (1) and drain pan (2), face-piece (1) and drain pan (2) set up and hold chamber (21) for hold circuit board, motor (4) and battery (3), mutual electric connection between circuit board, motor (4) and battery (3), face-piece (1) or drain pan (2) front and back end sets up stretching out of pin needle (31) that first through-hole (22) are used for motor (4) and are connected with battery (3), face-piece (1) closes on drain pan (2) through the butt fusion lid, makes both become an organic whole.

2. The waterproof electric toothbrush according to claim 1, wherein the body housing (8) is sleeved on the surface of the face case (1) and the bottom case (2).

3. The waterproof electric toothbrush according to claim 2, wherein the body case (8) is sealed by a top pressing plate (10) and a bottom pressing plate (9) arranged at both sides, the top pressing plate (10) is provided with a fourth through hole (101) for the motor (4) to extend, and the bottom pressing plate (9) is provided with a fifth through hole (91) for the charging device to be connected with the pin (31).

4. The waterproof electric toothbrush according to claim 3, wherein the circuit board is provided with a key (41) and an indicator light (42), the face shell (1) is provided with a window (11) corresponding to the pressing block (12) and the indicator light (42) corresponding to the key (41), and the body shell (8) is provided with an opening (81) for exposing the pressing block (12) and the indicator light (42).

5. The waterproof electric toothbrush according to any one of claims 1 to 4, wherein the edges of the cover of the face shell (1) and the bottom shell (2) are both toothed and are matched and inserted with each other, and the contact surfaces of the insertion are integrated by welding.

6. The waterproof electric toothbrush according to any one of claims 1 to 4, wherein the end parts of the face shell (1) and the bottom shell (2) close to the motor (4) are further provided with a waterproof pressing member (6), the motor (4) extends outwards from the motor shaft (43) through the first through hole (22), the waterproof pressing member (6) is provided with a second through hole (62), the waterproof pressing member (6) penetrates through the motor shaft (43) through the second through hole (62) to be fastened on the end parts of the face shell (1) and the bottom shell (2), a soft rubber pad (7) is further arranged at the covering part of the end parts of the face shell (1) and the bottom shell (2) and the waterproof pressing member (6), when the waterproof pressing member (6) and the motor (4) extend the motor shaft (43) by means of the elastic action of the soft rubber pad (7), the gap between the motor shaft (43) and the first through hole (22) and the second through hole (62) is sealed, and sealing the gap between the waterproof pressing piece (6) and the end parts of the face shell (1) and the bottom shell (2).

7. The waterproof electric toothbrush according to claim 6, wherein the soft rubber pad (7) comprises a tube (72) and a rubber disc (71), the upper surface of the rubber disc (71) is attached to the inner surface of the waterproof pressing piece (6), the lower surface of the rubber disc (71) is attached to the end surfaces of the face shell (1) and the bottom shell (2), the tube (72) is arranged on the rubber disc (71), and the tube (72) is sleeved in the second through hole (62) and is provided with a third through hole (73) for the motor shaft (43) to pass through and attach to and seal the motor shaft (43).

8. The waterproof electric toothbrush according to claim 7, wherein the tube (72) comprises an upper tube part (721) extending to one side of the rubber disc (71), the end part of the upper tube part (721) is provided with a boss (722) protruding outwards, the upper tube part (721) is sleeved in the second through hole (62) and is in fit sealing with the inner wall of the second through hole (62), the boss (722) is positioned at the end part of the second through hole (62) and closes the periphery of the second through hole (62) and the upper tube part (721) at the end part, the tube (72) further comprises a lower tube part (723) extending to the other side of the rubber disc (71) relative to the upper tube part (721), and the lower tube part (723) is sleeved in the first through hole (22) and is in fit sealing with the inner wall.

9. The waterproof electric toothbrush according to any one of claims 2 to 4, the end parts of the face shell (1) and the bottom shell (2) close to the motor (4) are also provided with waterproof pressing parts (6), the motor (4) extends out of the motor shaft (43) through the first through hole (22), the waterproof pressing piece (6) is provided with a second through hole (62), the waterproof pressing piece (6) penetrates through the motor shaft (43) through the second through hole (62) and is buckled on the end parts of the face shell (1) and the bottom shell (2), a first annular groove (63) is arranged on the whole body of the waterproof pressing piece (6), a first waterproof ring (61) is arranged in the first annular groove (63), the waterproof pressing piece (6) is arranged at the end parts of the face shell (1) and the bottom shell (2) through fasteners, the first waterproof ring (61) is matched with the outer machine body shell (8).

10. A waterproof electric toothbrush according to any one of claims 2 to 4, characterized in that the end parts of the face shell (1) and the bottom shell (2) close to the battery (3) are provided with a second annular groove (13) around the circumference, a second waterproof ring (5) is arranged in the second annular groove (13), and the second waterproof ring (5) is matched with the outer body shell (8).