CN217723780U

CN217723780U - Electric toothbrush

Info

Publication number: CN217723780U
Application number: CN202221747599.1U
Authority: CN
Inventors: 黄嘉诚; 邹休; 王志东
Original assignee: Thumbs Up Innovations Technology Co Ltd
Current assignee: Thumbs Up Innovations Technology Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-04
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses an electric toothbrush, a holding main body, a transmission component and a toothbrush head, wherein the transmission component comprises a transmission rod, a motor and a metal transmission cover, the outer side of one end of the transmission rod is connected with the holding main body, the other end of the transmission rod protrudes out of the surface of the holding main body, the motor is arranged at one end of the transmission rod far away from the holding main body, the metal transmission cover is provided with a containing cavity, the metal transmission cover is connected with the transmission rod, and the motor is contained in the containing cavity; the toothbrush head is provided with a mounting cavity, the toothbrush head is connected to the bottom of the transmission rod, and the upper part of the transmission rod and the metal transmission cover are inserted in the mounting cavity. Through the setting of above-mentioned structure, the transfer line, motor and the metal transmission cover that the components of a whole that can function independently set up production is convenient, and it is convenient to assemble to, the transmission cover of metal material can effectively reduce the wall thickness of transmission cover when guaranteeing drive assembly intensity, reduces the diameter of toothbrush head, solves and beats the tooth scheduling problem, in addition, has also strengthened the transmission efficiency of vibration, effectively promotes electric toothbrush's clean ability.

Description

Electric toothbrush

Technical Field

The utility model relates to an oral cavity cleaning technology field especially relates to an electric toothbrush.

Background

Since its birth, electric toothbrushes have been popular because of their excellent cleaning effect and comfortable use experience as modern oral cleaning tools, and more people choose to use electric toothbrushes to clean the oral cavity and protect the teeth.

However, in the conventional electric toothbrush, the motor is usually disposed in the handle, and the kinetic energy is transmitted to the toothbrush head through the transmission shaft or the transmission rod, so that the toothbrush head swings, rotates and vibrates, but the electric toothbrush in this form has many problems of complex transmission structure, high product cost, strong vibration sense of the handle, high noise and the like. And the vibrating structure of another kind of electric toothbrush is generally that an integrated into one piece's working of plastics is done the vibrating arm at the handle front end, designs this working of plastics into the toper form, sets up the cavity in the plastic vibrating arm, and miniature vibrating motor sets up the inside cavity at the plastic vibrating arm, and the tip outside of plastic vibrating arm is used for the cover to establish the toothbrush head, and the main aspects is connected with the handle. The micro motor transmits the vibration energy to the vibrating rod, and then the vibration rod transmits the vibration energy to the toothbrush head, so that the toothbrush head vibrates. However, the two types of electric toothbrushes have the problems that the vibrating rod of the electric toothbrush driving structure is integrally formed by injection molding, and the wall thickness of an injection molding part is thick, so that the overall pipe diameter of the plastic vibrating rod is large, and the brush head can be adapted to the vibrating rod only by setting a larger size. The brush head is too large, so that the problems of tooth hitting and the like easily occur in the use process of a user, the vibration energy transmission effect is not ideal enough due to too large vibration, and the cleaning capability of the brush head is greatly reduced.

Therefore, the utility model provides an electric toothbrush, simple structure, the equipment is convenient, small in size, vibration effect are strong.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an electric toothbrush, which has simple structure, convenient assembly, small volume and strong vibration effect.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an electric toothbrush, include: a grip body, a transmission assembly and a toothbrush head, wherein

The transmission assembly comprises a transmission rod, a motor and a metal transmission cover, one end of the transmission rod is connected to the holding main body, the other end of the transmission rod protrudes out of the surface of the holding main body, the motor is arranged on the outer side of one end, far away from the holding main body, of the transmission rod, the metal transmission cover is provided with an accommodating cavity, the metal transmission cover is connected to the transmission rod, and the motor is accommodated in the accommodating cavity;

the toothbrush head is equipped with the installation cavity, the toothbrush head connect in the transfer line bottom, transfer line upper portion with metal transmission cover cartridge in the installation cavity.

Furthermore, the transmission assembly further comprises a transmission rod soft rubber, the transmission rod soft rubber is sleeved at the bottom of the transmission rod, the holding main body is provided with an assembly hole, and the outer wall of the transmission rod soft rubber is abutted to the inner wall of the assembly hole.

Further, the transmission assembly further comprises a motor sleeve, the motor sleeve is sleeved on the motor, the outer surface of the motor sleeve is attached to the inner wall of the accommodating cavity, a pouring space is formed between the outer surface of the motor and the accommodating cavity, and the pouring space is used for allowing glue to be injected for use.

Furthermore, the motor sleeve is provided with an opening, the top of the motor is provided with an eccentric block, and the eccentric block penetrates through the opening, so that the motor sleeve is arranged on the surface of the motor body in a sleeved mode.

Further, the transmission rod is provided with a mounting channel and a connecting through hole, a threaded hole is formed in the bottom of the motor, and the threaded part penetrates through the mounting channel and the connecting through hole and is in threaded connection with the threaded hole.

Furthermore, a stepped mounting platform is arranged at the upper part of the transmission rod, the bottom of the metal transmission cover is abutted against the mounting platform, and the inner surface of the metal transmission cover is tightly attached to the transmission rod.

Further, an opening is formed in the upper portion of the transmission rod, close to the mounting platform, and communicated with the mounting channel, and the opening is used for allowing an electric connection wire of the motor to pass through for use.

Further, the thickness of the side wall of the metal transmission cover is 0.2-0.8 mm.

Furthermore, the clamping device further comprises a connecting piece, the connecting piece is detachably sleeved on the transmission rod, an upper clamping block and a lower clamping block are arranged on the inner surface of the connecting piece, the outer surface of the transmission rod is close to the convex portion of the holding main body, the upper surface of the outer clamping block abuts against the lower surface of the upper clamping block, and the lower surface of the outer clamping block abuts against the upper surface of the lower clamping block.

Furthermore, the inner wall of the installation cavity is provided with a plug-in block, the outer surface of the connecting piece is provided with a plug-in groove, and when the upper portion of the transmission rod and the metal transmission cover are plugged in the installation cavity, the plug-in block is plugged in the plug-in groove.

Furthermore, a battery and a battery rack are arranged in the main body of the holding main body, the battery is arranged in the battery rack, and the electric connecting wire penetrates through the battery rack and is electrically connected with the battery.

Further, the motor comprises a motor main body, an eccentric block is arranged at the top of the motor main body, a connecting boss is arranged at the bottom of the motor main body, and a connecting threaded hole is formed in the bottom of the connecting boss.

Furthermore, the motor further comprises an electric connection wire, a wire accommodating groove is formed in the side wall of the connecting boss, one end of the electric connection wire is electrically connected to the motor main body, the electric connection wire extends along the wire accommodating groove, and at least part of the electric connection wire is arranged in the wire accommodating groove.

The utility model has the advantages that: through the setting of above-mentioned structure, the transfer line that the components of a whole that can function independently set up, motor and the equipment of metal transmission cover form drive assembly, its production is convenient, it is convenient to assemble, and, the transmission cover of metal material can effectively reduce the wall thickness of transmission cover when guaranteeing transmission assembly intensity, effectively reduce drive assembly's diameter, and then can reduce the diameter of toothbrush head connecting rod, effectively reduce the size of product, solve because of brushing the too big tooth scheduling problem of beating that leads to of head, moreover, the transmission efficiency of vibration has also been strengthened to thinner transmission cover structure, effectively promote the utilization ratio of motor, make toothbrush head vibrate along with the motor better, effectively promote electric toothbrush's cleaning ability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an angular explosion structure of the present invention;

FIG. 3 is an enlarged view at circle A of FIG. 2;

fig. 4 is a schematic view of another angle of the explosion structure of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at circle B;

fig. 6 is a sectional structure diagram of the utility model;

FIG. 7 is an enlarged view of FIG. 6 at circle C;

FIG. 8 is a schematic view of the overall structure of the motor of the electric toothbrush of the present invention;

FIG. 9 is a schematic view of an angular exploded view of the drive assembly of the electric toothbrush of the present invention;

fig. 10 is a schematic view of another angle exploded structure of the transmission assembly of the electric toothbrush of the present invention.

Detailed Description

Referring to fig. 1 to 10, an electric toothbrush includes: a grip body 10, a transmission assembly 20 and a toothbrush head 30, wherein

The transmission assembly 20 comprises a transmission rod 21, a motor 22 and a metal transmission cover 23, one end of the transmission rod 21 is connected to the holding main body 10, the other end of the transmission rod 21 protrudes out of the surface of the holding main body 10, the motor 22 is arranged on the outer side of one end of the transmission rod 21 far away from the holding main body 10, the metal transmission cover 23 is provided with an accommodating cavity 231, the metal transmission cover 23 is connected to the transmission rod 21, and the motor 22 is accommodated in the accommodating cavity 231;

toothbrush head 30 is equipped with installation cavity 31, toothbrush head 30 connect in the transfer line 21 bottom, transfer line 21 upper portion with metal transmission cover 23 cartridge in installation cavity 31.

Through the setting of above-mentioned structure, the transfer line that the components of a whole that can function independently set up, motor and metal transmission cover equipment form drive assembly, its production is convenient, it is convenient to assemble, and, the transmission cover of metal material can effectively reduce the wall thickness of transmission cover when guaranteeing drive assembly intensity, effectively reduce drive assembly's diameter, and then can reduce the diameter of toothbrush head connecting rod, effectively reduce the size of product, solve because of brushing the too big tooth scheduling problem of beating that leads to of head, and, the transmission efficiency of vibration has also been strengthened to thinner transmission cover structure, effectively promote the utilization ratio of motor, make toothbrush head vibrate along with the motor better, effectively promote electric toothbrush's cleaning ability.

In this embodiment, the transmission assembly 20 further includes a transmission rod soft rubber 24, the transmission rod soft rubber 24 is sleeved at the bottom of the transmission rod 21, the holding main body 10 is provided with an assembly hole 11, and the outer wall of the transmission rod soft rubber 24 abuts against the inner wall of the assembly hole 11. Through the arrangement of the structure, the transmission rod soft rubber is arranged between the transmission rod and the holding main body, so that the connection between the transmission rod and the holding main body is realized, the collision between the transmission rod and the holding main body can be effectively reduced through the transmission rod soft rubber, the noise is reduced, the vibration sense of the holding main body is also reduced, and better use experience is provided for a user; meanwhile, the flexible glue of the transmission rod can further realize the waterproof effect between the transmission rod and the holding main body, effectively prevents water from flowing into the holding main body, protects the safety of an electrical element in the holding main body, and effectively prolongs the service life of a product.

In this embodiment, the transmission assembly 20 further includes a motor sleeve 25, the motor 22 is sleeved with the motor sleeve 25, an outer surface of the motor sleeve 25 is attached to an inner wall of the accommodating cavity 231, a pouring space 232 is formed between an outer surface of the motor 22 and the accommodating cavity 231, and the pouring space 232 is used for allowing glue to be injected for use. Through the arrangement of the structure, the motor sleeve is arranged on the motor, the outer surface of the motor sleeve is attached to the inner wall of the accommodating cavity, the accommodating cavity is divided into an upper part and a lower part, a pouring space is formed between the lower part of the accommodating cavity, the outer surface of the motor and the inner wall of the accommodating cavity, glue is injected into the pouring space during installation, the motor and the metal transmission cover can be effectively fixed after the glue is solidified, the vibration of the motor is effectively transmitted to the toothbrush head through the metal transmission cover, and the transmission efficiency is improved; simultaneously, the motor cover can effectively completely cut off glue, prevents that glue from flowing into and holding chamber upper portion.

In this embodiment, the motor cover 25 has an opening 251, the top of the motor 22 has an eccentric block 223, and the eccentric block 223 passes through the opening 251, so that the motor cover 25 is sleeved on the surface of the body of the motor 22. Through the arrangement of the structure, the motor sleeve is provided with the opening, when the motor sleeve is used, the eccentric block penetrates through the opening, the eccentric block is positioned at the upper part of the accommodating cavity, the eccentric block can move freely, the motor sleeve can effectively isolate glue, and only the lower part of the motor is connected to the metal transmission cover through the glue; the design of the opening can effectively allow the eccentric block to pass through, and the assembly is convenient.

In this embodiment, the driving rod 21 further includes a screw 40, the driving rod 21 is provided with a mounting channel 211 and a connecting through hole 212, the bottom of the motor 22 is provided with a threaded hole 221, and the screw 40 passes through the mounting channel 211 and the connecting through hole 212 and is in threaded connection with the threaded hole 221. Through the setting of above-mentioned structure, during the use, the screw passes installation passageway and through-hole, connects in the screw hole of motor bottom, and the equipment is convenient, connects stably, is connected motor and transfer line effectively, and the vibration that the guarantee motor produced effectively transmits to the transfer line, and then transmits to the toothbrush head via the transfer line.

In this embodiment, a stepped mounting platform 213 is disposed at the upper portion of the transmission rod 21, the bottom of the metal transmission cover 23 abuts against the mounting platform 213, and the inner surface of the metal transmission cover 23 clings to the transmission rod 21. Through the arrangement of the structure, the stepped mounting platform can allow the metal transmission cover to be connected to the transmission rod more stably, and when the metal transmission cover is used, the bottom of the metal transmission cover is abutted to the mounting platform, the inner surface of the metal transmission cover is tightly attached to the outer surface of the transmission rod, the connection area of the metal transmission cover and the transmission rod is increased, and the stability of a product is effectively improved.

In this embodiment, an opening 214 is formed on the upper portion of the transmission rod 21 near the mounting platform 213, the opening 214 is communicated with the mounting channel 211, and the opening 214 is used for allowing the electrical connection line 222 of the motor 22 to pass through. Through the setting of above-mentioned structure, during the installation, the screw passes and passes installation passageway and through-hole, connect in the screw hole of motor bottom, be fixed in the transfer line top with the motor, and then, the electric connecting wire of motor can pass and be equipped with in the trompil on transfer line upper portion, via the installation passageway, connect in the battery in the handle that grips, can realize the power supply to the motor, and simultaneously, the electric connecting wire of motor is hidden in the installation passageway, can effectively accomodate the line body, further make things convenient for being connected of transfer line and toothbrush head, product stable in structure.

In this embodiment, the thickness of the sidewall of the metal transmission cover 23 is 0.2 to 0.8mm. Through the setting of above-mentioned structure, 0.2 to 0.8 mm's lateral wall thickness reasonable in design both can ensure the intensity of metal transmission cover, can not influence the diameter of toothbrush head because the lateral wall is too thick again, effectively reduces the size of product, solves because of the too big tooth scheduling problem of beating that leads to of brush head, has also strengthened the transmission efficiency of vibration simultaneously, effectively promotes the utilization ratio of motor.

In this embodiment, the handle further includes a connecting member 50, the connecting member 50 is detachably sleeved on the transmission rod 21, an upper clamping block 51 and a lower clamping block 52 are disposed on an inner surface of the connecting member 50, an outer clamping block 12 is convexly disposed on a position, close to the grip main body 10, of an outer surface of the transmission rod 21, an upper surface of the outer clamping block 12 abuts against a lower surface of the upper clamping block 51, and a lower surface of the outer clamping block 12 abuts against an upper surface of the lower clamping block 52. Through the setting of above-mentioned structure, the setting of connecting piece can realize being connected of toothbrush head and drive rod when the transfer line is located to toothbrush head cover, goes up joint piece and joint piece joint in outer joint piece respectively down, has prevented effectively that the connecting piece from along the axial motion of drive rod, has fixed connecting piece and drive rod effectively, has ensured the stability of product.

In this embodiment, the inner wall of the installation cavity 31 is provided with an insertion block 32, the outer surface of the connecting member 50 is provided with an insertion groove 53, and when the upper portion of the transmission rod 21 and the metal transmission cover 23 are inserted into the installation cavity 31, the insertion block 32 is inserted into the insertion groove 53. Through the setting of above-mentioned structure, the installation intracavity wall of toothbrush head is equipped with the cartridge piece, and the cartridge piece has realized being connected of connecting piece and toothbrush head with the cooperation of the cartridge groove on the connecting piece, and then realizes being connected of toothbrush head and drive rod, makes the product structure more stable.

In this embodiment, a battery 60 and a battery holder 70 are disposed in the main body of the grip body 10, the battery 60 is mounted in the battery holder 70, and the electrical connection wire 222 passes through the battery holder 70 and is electrically connected to the battery 60. Through the arrangement of the structure, the battery is arranged in the battery frame, the battery can be effectively fixed, and meanwhile, the electric connection wire of the motor penetrates through the battery frame to be connected to the battery, so that the power supply to the motor is effectively realized.

In this embodiment, the motor 22 includes a motor main body 220, an eccentric block 223 is disposed on the top of the motor main body 220, a connecting boss 224 is disposed at the bottom of the motor main body 220, and a connecting threaded hole 221 is disposed at the bottom of the connecting boss 224. Through the arrangement of the structure, when the motor is used, the threaded part penetrates through the through hole in the connecting carrier and is in threaded connection with the threaded hole, so that the motor can be effectively fixed on the connecting carrier, meanwhile, the arrangement of the connecting boss can allow the threaded hole to have deeper depth, increase the contact area between the threaded part and the threaded hole, enable the product to be connected more tightly, enable the structure to be more stable, and meanwhile, can effectively transmit the vibration of the motor to the connecting carrier, so that the transmission effect of the product is improved; when the motor works, the motor drives the eccentric block to rotate, so that vibration is generated, and the vibration is transmitted to the toothbrush head of the electric toothbrush through the connecting carrier and the motor main body.

In this embodiment, the motor 22 further includes an electrical connection wire 222, a wire receiving groove 225 is disposed on a sidewall of the connection boss 224, one end of the electrical connection wire 222 is electrically connected to the motor main body 220, the electrical connection wire 222 extends along the wire receiving groove 225, and at least a portion of the electrical connection wire 222 is disposed in the wire receiving groove 225. Through the setting of above-mentioned structure, the line recess that holds that the connection boss lateral wall set up can hold the electric connecting wire effectively, makes in at least partial electric connecting wire embedding holding tank, ensures the laminating of electric connecting wire and connection boss, has greatly made things convenient for the equipment of product, can promote the production efficiency of product effectively, reduces product cost, promotes the yield of product.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments described. All with the utility model discloses a method, structure etc. are similar, the same, or are based on the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a scope of protection.

Claims

1. An electric toothbrush comprising a grip body (10), a transmission assembly (20) and a toothbrush head (30), wherein,

the transmission assembly (20) comprises a transmission rod (21), a motor (22) and a metal transmission cover (23), one end of the transmission rod (21) is connected to the holding main body (10), the other end of the transmission rod (21) protrudes out of the surface of the holding main body (10), the motor (22) is arranged on the outer side of one end, away from the holding main body (10), of the transmission rod (21), the metal transmission cover (23) is provided with an accommodating cavity (231), the metal transmission cover (23) is connected to the transmission rod (21), and the motor (22) is accommodated in the accommodating cavity (231);

toothbrush head (30) are equipped with installation cavity (31), toothbrush head (30) connect in transfer line (21) bottom, transfer line (21) upper portion with metal transmission cover (23) cartridge in installation cavity (31).

2. The electric toothbrush according to claim 1, wherein the transmission assembly (20) further comprises a transmission rod soft rubber (24), the transmission rod soft rubber (24) is sleeved at the bottom of the transmission rod (21), the holding main body (10) is provided with an assembly hole (11), and the outer wall of the transmission rod soft rubber (24) abuts against the inner wall of the assembly hole (11).

3. The electric toothbrush according to claim 1, wherein the transmission assembly (20) further comprises a motor sleeve (25), the motor sleeve (25) is sleeved on the motor (22), an outer surface of the motor sleeve (25) is fitted to an inner wall of the accommodating cavity (231), a pouring space (232) is formed between the outer surface of the motor (22) and the accommodating cavity (231), and the pouring space (232) is used for allowing glue to be injected for use.

4. The electric toothbrush according to claim 2, further comprising a screw member (40), wherein the driving rod (21) is provided with a mounting passage (211) and a connecting through hole (212), a threaded hole (221) is formed in the bottom of the motor (22), and the screw member (40) passes through the mounting passage (211) and the connecting through hole (212) and is threadedly coupled to the threaded hole (221).

5. The electric toothbrush according to claim 4, wherein a stepped mounting platform (213) is arranged at the upper part of the transmission rod (21), the bottom of the metal transmission cover (23) abuts against the mounting platform (213), and the inner surface of the metal transmission cover (23) is tightly attached to the transmission rod (21).

6. The electric toothbrush according to claim 5, characterized in that the upper part of the transmission rod (21) near the mounting platform (213) is provided with an opening (214), the opening (214) is communicated with the mounting channel (211), and the opening (214) is used for allowing an electric connection line (222) of the motor (22) to pass through for use.

7. The electric toothbrush according to claim 1, characterized in that the thickness of the side wall of the metal transmission cover (23) is 0.2 to 0.8mm.

8. The electric toothbrush according to claim 1, further comprising a connecting member (50), wherein the connecting member (50) is detachably sleeved on the transmission rod (21), an upper clamping block (51) and a lower clamping block (52) are arranged on the inner surface of the connecting member (50), an outer clamping block (12) is convexly arranged on the outer surface of the transmission rod (21) near the holding body (10), the upper surface of the outer clamping block (12) abuts against the lower surface of the upper clamping block (51), and the lower surface of the outer clamping block (12) abuts against the upper surface of the lower clamping block (52).

9. The electric toothbrush according to claim 8, wherein the inner wall of the installation cavity (31) is provided with an insertion block (32), the outer surface of the connecting member (50) is provided with an insertion groove (53), and when the upper portion of the transmission rod (21) and the metal transmission cover (23) are inserted into the installation cavity (31), the insertion block (32) is inserted into the insertion groove (53).

10. The electric toothbrush according to claim 6, wherein a battery (60) and a battery holder (70) are provided in the main body of the grip body (10), the battery (60) is mounted in the battery holder (70), and the electric connection wire (222) passes through the battery holder (70) and is electrically connected to the battery (60).