CN111956354A

CN111956354A - Charging mechanism and electric toothbrush

Info

Publication number: CN111956354A
Application number: CN202010953990.6A
Authority: CN
Inventors: 陆广; 秦晓东; 周杨
Original assignee: Beici Electric Appliance Co ltd
Current assignee: Beici Electric Appliance Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-11-20
Anticipated expiration: 2040-09-11
Also published as: CN111956354B

Abstract

The invention provides a charging mechanism, which relates to a shell and comprises a charging interface, a support, a sealing cover and a dustproof cover; the support is arranged in the casing, the charging interface is arranged on the support, a mounting port is formed in the casing, the sealing cover is arranged on the casing and/or the support and is used for sealing the mounting port, the charging interface is close to the sealing cover, a charging port is formed in the position, corresponding to the charging port, of the sealing cover, and the dustproof cover is detachably arranged on the casing and/or the sealing cover and is used for sealing the charging port. According to the charging mechanism, the charging interface is installed in the shell through the support, the charging mechanism is firm and stable, the installation port is blocked through the sealing cover, the charging port is blocked through the air from the dustproof cover, the waterproof performance is good, the use is convenient, the structure is simple, and the manufacturing and the installation are easy.

Description

Charging mechanism and electric toothbrush

Technical Field

The invention relates to the technical field of household appliances, in particular to a charging mechanism and an electric toothbrush.

Background

The toothbrush is the most common tooth cleaning tool for people, is used for removing bacteria, tartar and fine sundries attached between teeth, can play a role in preventing tooth diseases, and protects the oral hygiene and tooth health of people, the toothbrushes on the market are various and have different structures, and along with the progress of science and technology, the electric toothbrush is suitable for transportation, but the electric toothbrush user is most worried about tool failure or unsafe experience caused by water inflow, most of the after-sale failures of the toothbrushes on the market are caused by water inflow, and particularly, the charging structure part still has a waterproof defect.

Disclosure of Invention

In order to solve the above problems, the present invention provides a charging mechanism and an electric toothbrush to solve the problem of poor waterproof property in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a charging mechanism relates to a shell and comprises a charging interface, a bracket, a sealing cover and a dustproof cover; the support is arranged in the casing, the charging interface is arranged on the support, a mounting port is formed in the casing, the sealing cover is arranged on the casing and/or the support and is used for sealing the mounting port, the charging interface is close to the sealing cover, a charging port is formed in the position, corresponding to the charging port, of the sealing cover, and the dustproof cover is detachably arranged on the casing and/or the sealing cover and is used for sealing the charging port.

According to the charging mechanism, the charging interface is installed in the shell through the support, the charging mechanism is firm and stable, the installation interface is sealed through the sealing cover, the charging interface is sealed through the dustproof cover, the dustproof cover is pulled down during charging, the charging wire is inserted into the charging interface through the charging interface, and the dustproof cover is installed after charging is completed.

Further, the sealing cover is sleeved in the casing, and a first sealing ring is arranged between the sealing cover and the casing. By the design, the sealing performance between the sealing cover and the machine shell can be better realized through the first sealing ring, and water is prevented from entering the machine shell.

Further, the closing cap includes the shrouding and connects the first barrel of the medial surface of shrouding, the support with the interface that charges stretches into in the first barrel, stretching into of support the part in the first barrel with be provided with the second sealing washer between the first barrel. Design like this, will charge the interface and inject in the region that the support and first barrel enclose, can realize sealed between first barrel and the support better through the second sealing washer to for the interface that charges has increased a sealed measure, the water-proof effects is better.

Furthermore, the support includes the second barrel, the interface setting that charges is in the second barrel, the support with the second barrel stretches into in the first barrel. By the design, the support is matched with the first barrel and the second sealing ring through the second barrel more easily, the charging interface can be installed in the second barrel firstly during installation, and then the second barrel is installed in the shell, so that the installation space can be saved, and the protection effect on the charging interface can be achieved.

Furthermore, the sealing cover stretches into the support, at least one clamping groove is formed in the part, stretching into the support, of the sealing cover, a protruding block is arranged at the position, corresponding to the clamping groove, on the support, and the protruding block is clamped into the clamping groove. Design like this, through the joint cooperation of lug with the draw-in groove, can realize being connected dismantled between closing cap and the support to the installation stability of each part has been increased.

Further, the closing cap includes the shrouding and is located the inboard first mounting panel of shrouding, the support includes the second barrel and is located the second mounting panel in the outside of second barrel, the closing cap with first mounting panel stretches into the second barrel with between the second mounting panel, the draw-in groove is seted up on the first mounting panel, the lug sets up on the second mounting panel. Design like this, simple structure is reasonable, and easy shaping, first, two mounting panels warp easily and realize the dismouting cooperation between lug and the draw-in groove.

Furthermore, the dust cover includes the stereoplasm layer and sets up the soft layer all around of stereoplasm layer, the dust cover passes through soft layer with casing interference seal fit. Design like this, the stereoplasm layer is as the base member, through the deformability and the casing interference fit of soft layer, forms sealedly, has not only increased installation stability, has increased a sealing measure moreover again, has further improved waterproof nature.

Furthermore, a soft cylinder is connected to the soft layer, a through hole is formed in the sealing cover, and the soft cylinder is arranged in the through hole in a penetrating mode. Design like this, through mutual spacing between soft cylinder and the through-hole, can make and produce the relation of connection between shield and the closing cap, can prevent that the shield from dropping, soft cylinder can warp simultaneously, prevents when dismantling the shield that harm soft cylinder and closing cap.

In order to achieve the above object, the present invention further provides an electric toothbrush, which comprises a housing and the above charging mechanism.

The advantages of the electric toothbrush and the charging mechanism are the same compared with the prior art, and the description is omitted.

Furthermore, a rechargeable battery and a circuit board are arranged in the casing, the rechargeable battery and the circuit board are installed on the support of the charging mechanism, and the rechargeable battery and the charging interface are connected with the circuit board. By the design, the circuit board is used for controlling the operation of the motor, and the battery is used for supplying power to the motor.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a cross-sectional view from a perspective of the powered toothbrush shown in fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view of the structure of the charging mechanism of fig. 2.

Fig. 5 is a cross-sectional view of the powered toothbrush of fig. 1 from another perspective.

Fig. 6 is a bottom view of fig. 1.

Description of reference numerals:

1-a machine shell,

11-a mounting port;

2-a charging interface;

21-TYPE-C interface, 22-PCBA circuit board;

3-a scaffold;

31-a second cylinder body, 311-a second sealing ring mounting groove, 32-a second mounting plate, 321-a convex block and 33-a second sealing ring;

4-sealing the cover;

41-sealing plate, 411-charging port, 412-through hole, 42-first cylinder, 421-first sealing ring mounting groove, 43-first sealing ring, 44-first mounting plate and 441-clamping groove;

5, a dust cover;

51-hard layer, 52-soft layer, 53-soft cylinder;

6-brush head;

61-transmission shaft, 62-micro motor, 63-sound wave motor, 64-connecting rod;

7-a rechargeable battery;

8-circuit board.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

If directional indications (such as up, down, left, right, front, and back) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, motion conditions, and the like between the components in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include at least one of the feature.

The charging mechanism of the present invention can be used in any product requiring charging, such as an electric toothbrush, an electric shaver, an electric tooth rinsing device, etc., and the following description will take the use of the charging mechanism in an electric toothbrush as an example to describe the charging mechanism in detail, referring to fig. 1 to 6, the electric toothbrush includes a housing 1, the charging mechanism of the present invention includes a charging interface 2, a bracket 3, a cover 4 and a dust cap 5; the support 3 is arranged in the casing 1, the charging interface 2 is arranged on the support 3, the casing 1 is provided with an installation interface 11, the sealing cover 4 is arranged on the casing 1 and/or the support 3 and is sealed to block the installation interface 11, the charging interface 2 is close to the sealing cover 4, the position of the sealing cover 4 corresponding to the charging interface 2 is provided with a charging interface 411, and the dustproof cover 5 is detachably arranged on the casing 1 and/or the sealing cover 4 and is sealed to block the charging interface 411.

Preferably, referring to fig. 4, the charging interface 2 is a charging interface formed by a PCBA circuit board 22 and a TYPE-C interface 21 connected to the PCBA circuit board 22. The charging interface has small volume and wide application range.

In order to increase the sealing performance, referring to fig. 3 and 4, the cover 4 is sleeved in the casing 1, and a first sealing ring 43 is arranged between the cover 4 and the casing 1. By the design, the sealing performance between the sealing cover and the machine shell can be better realized through the first sealing ring, and water is prevented from entering the machine shell.

In order to further increase the sealing performance, referring to fig. 3 and 4, the cover 4 includes a sealing plate 41 and a first cylinder 42 connected to an inner side surface of the sealing plate 41, the bracket 3 and the charging interface 2 extend into the first cylinder 42, and a second sealing ring 33 is disposed between a portion of the bracket 3 extending into the first cylinder 42 and the first cylinder 42. Design like this, will charge the interface and inject in the region that the support and first barrel enclose, can realize sealed between first barrel and the support better through the second sealing washer to for the interface that charges has increased a sealed measure, the water-proof effects is better.

In a specific implementation, the outer circumferential surface of the first cylinder 42 is provided with a first seal ring mounting groove 421 for mounting a first seal ring.

For improving the structural rationality, referring to fig. 3 and 4, the bracket 3 includes a second cylinder 31, the charging connector 2 is disposed in the second cylinder 31, and the bracket 3 extends into the first cylinder 42 through the second cylinder 31. By the design, the support is matched with the first barrel and the second sealing ring through the second barrel more easily, the charging interface can be installed in the second barrel firstly during installation, and then the second barrel is installed in the shell, so that the installation space can be saved, and the protection effect on the charging interface can be achieved.

In order to improve the installation stability, referring to fig. 3 and 4, the cover 4 extends into the bracket 3, at least one locking groove 441 is formed on a portion of the cover 4 extending into the bracket 3, a protruding block 321 is arranged on the bracket 3 at a position corresponding to the locking groove 441, and the protruding block 321 is locked in the locking groove 441. Design like this, through the joint cooperation of lug with the draw-in groove, can realize being connected dismantled between closing cap and the support to the installation stability of each part has been increased.

Preferably, referring to fig. 3 and 4, the cover 4 includes a closing plate 41 and a first mounting plate 44 located on the inner side of the closing plate 41, the bracket 3 includes a second cylinder 31 and a second mounting plate 32 located on the outer side of the second cylinder 31, the cover 4 extends between the second cylinder 31 and the second mounting plate 32 through the first mounting plate 44, the locking groove 441 is formed on the first mounting plate 44, and the protrusion 321 is disposed on the second mounting plate 32. Design like this, simple structure is reasonable, and easy shaping, first, two mounting panels warp easily and realize the dismouting cooperation between lug and the draw-in groove.

In a specific implementation, the outer circumferential surface of the second cylinder 31 is provided with a second seal ring installation groove 311 for installing a second seal ring.

In a specific implementation, the first mounting plate 44 and the second mounting plate 32 are disposed in two and symmetrically distributed with each other.

Preferably, referring to fig. 3 and 4, the dust cover 5 includes a hard layer 51 and a soft layer 52 disposed around the hard layer 51, and the dust cover 5 is in interference sealing fit with the chassis 1 through the soft layer 52. Design like this, the stereoplasm layer is as the base member, through the deformability and the casing interference fit of soft layer, forms sealedly, has not only increased installation stability, has increased a sealing measure moreover again, has further improved waterproof nature.

In order to increase the installation stability, the soft layer 52 is connected with a soft cylinder 53, the cover 4 is provided with a through hole 412, and the soft cylinder 53 is arranged in the through hole in a penetrating manner. Design like this, through mutual spacing between soft cylinder and the through-hole, can make and produce the relation of connection between shield and the closing cap, can prevent that the shield from dropping, soft cylinder can warp simultaneously, prevents when dismantling the shield that harm soft cylinder and closing cap.

In one embodiment, any hard material, such as plastic, may be used for the hard layer, and any soft material, such as rubber, may be used for the soft layer and the soft cylinder.

Referring to fig. 6, in order to facilitate the removal of the dust cap, the hard layer 51 is provided with a handle opening 54.

Based on the charging structure of the invention, the invention provides an electric toothbrush, which is provided with the charging structure of the invention and can solve the problem of poor waterproofness of the existing electric toothbrush, and the charging structure is shown in fig. 1 to 6.

The power mechanism of the electric toothbrush of the present invention can adopt the prior art, or adopt the first structure provided by the inventor, see fig. 5: the toothbrush comprises a brush head 6, wherein a transmission shaft 61 is arranged in the brush head 6, a micro motor 62 is arranged in the transmission shaft 61, and the transmission shaft 61 is detachably connected with a machine shell 1. In the structure, the brush head is directly driven by the micro motor.

Or another structure provided by the inventor is adopted, see fig. 3: the toothbrush comprises a toothbrush head 6, wherein a sound wave motor 63 is arranged in a machine shell 1, one end of a connecting rod 64 is connected with the sound wave motor 63, and the other end of the connecting rod is detachably inserted in the toothbrush head 6. The structure indirectly drives the brush head through the connecting rod by the sound wave motor.

For controlling and providing power, referring to fig. 3 and 5, a rechargeable battery 7 and a circuit board 8 are arranged in the housing 1, the rechargeable battery 7 and the circuit board 8 are mounted on the bracket 3 of the charging mechanism, and the rechargeable battery and the charging interface 2 are both connected with the circuit board 8. The circuit board is used for controlling the operation of the motor, and the battery is used for providing power for the motor.

In a specific implementation, referring to fig. 1 and fig. 2, the casing 1 is provided with a switch button 12 connected to the circuit board 8, more than one control indicator lamp 13 and an electric quantity indicator lamp 14. The switch button is used for controlling on, off and mode switching, the control indicator lamp is used for displaying the working state, for example, three is set, the standard mode indicator lamp, the soft mode indicator lamp and the strong mode indicator lamp are respectively arranged from top to bottom, or two are set, the standard mode indicator lamp and the soft mode indicator lamp are respectively arranged from top to bottom, and the electric quantity indicator lamp is used for prompting the electric quantity condition and the charging state. The switch button can be made of soft material.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A charging mechanism relates to a machine shell (1), and is characterized by comprising a charging interface (2), a bracket (3), a sealing cover (4) and a dustproof cover (5); support (3) set up in casing (1), interface (2) set up charge on support (3), it has installing port (11) to open on casing (1), install closing cap (4) casing (1) and/or on support (3) and shutoff installing port (11), interface (2) that charge is close to closing cap (4), correspond on closing cap (4) position department of interface (2) that charges is opened has charging port (411), shield (5) demountable installation be in casing (1) and/or on closing cap (4) and shutoff charging port (411).

2. The charging mechanism according to claim 1, wherein the cover (4) is fitted in the housing (1), and a first sealing ring (43) is disposed between the cover (4) and the housing (1).

3. The charging mechanism according to claim 1 or 2, wherein the cover (4) comprises a sealing plate (41) and a first cylinder (42) connected to an inner side surface of the sealing plate (41), the bracket (3) and the charging interface (2) extend into the first cylinder (42), and a second sealing ring (33) is arranged between a portion of the bracket (3) extending into the first cylinder (42) and the first cylinder (42).

4. The charging mechanism according to claim 3, characterized in that the bracket (3) comprises a second cylinder (31), the charging interface (2) is arranged in the second cylinder (31), and the bracket (3) extends into the first cylinder (42) with the second cylinder (31).

5. The charging mechanism according to claim 1 or 2, wherein the cover (4) extends into the bracket (3), at least one slot (441) is formed on a portion of the cover (4) extending into the bracket (3), a protrusion (321) is arranged on the bracket (3) at a position corresponding to the slot (441), and the protrusion (321) is inserted into the slot (441).

6. The charging mechanism according to claim 5, wherein the cover (4) comprises a sealing plate (41) and a first mounting plate (44) located on the inner side of the sealing plate (41), the bracket (3) comprises a second cylinder (31) and a second mounting plate (32) located on the outer side of the second cylinder (31), the cover (4) extends between the second cylinder (31) and the second mounting plate (32) through the first mounting plate (44), the clamping groove (441) is formed on the first mounting plate (44), and the projection (321) is formed on the second mounting plate (32).

7. The charging mechanism according to claim 1 or 2, wherein the dust cover (5) comprises a hard layer (51) and a soft layer (52) arranged around the hard layer (51), and the dust cover (5) is in interference sealing fit with the housing (1) through the soft layer (52).

8. The charging mechanism according to claim 7, wherein a soft cylinder (53) is connected to the soft layer (52), a through hole (412) is formed in the cover (4), and the soft cylinder (53) is inserted into the through hole.

9. An electric toothbrush comprising a housing (1), characterized in that it further comprises a charging mechanism according to any one of claims 1 to 8.

10. The electric toothbrush according to claim 9, characterized in that a rechargeable battery and a circuit board are arranged in the housing (1), the rechargeable battery and the circuit board are mounted on the bracket (3) of the charging mechanism, and the rechargeable battery and the charging interface (2) are both connected with the circuit board.