CN211381915U

CN211381915U - Electric toothbrush with replaceable brush head

Info

Publication number: CN211381915U
Application number: CN201922014395.1U
Authority: CN
Inventors: 王鑫
Original assignee: Putian University
Current assignee: Putian University
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-01
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to the field of household items, concretely relates to electric toothbrush of removable brush head, including the handle, the handle outside is provided with the switch, handle right side end is provided with the battery cover, handle left side fixedly connected with connecting rod, the brush head is installed in the grafting of connecting rod left side end. The utility model discloses a to brush the head and cooperate shock motor drive vibrations to realize the clearance to the oral cavity tooth through connecting block threaded connection and vibrations pole on, wherein the effect optimization of vibrations can be realized to the cooperation of multiunit vibrations structure to the change in the later stage of being convenient for can be dismantled to the brush head and use, and the change and the maintenance of the later stage of being convenient for to the battery cover screw thread is dismantled to the battery cover screw thread.

Description

Electric toothbrush with replaceable brush head

Technical Field

The utility model relates to the field of articles for daily use, concretely relates to electric toothbrush of removable brush head.

Background

The electric toothbrush is invented by foreign people, the brush head generates high-frequency vibration through the rapid rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity and has a massage effect on gum tissues.

For example, chinese patent with application number CN201821850438.9 discloses an electric toothbrush charging device and an electric toothbrush assembly, relates to the technical field of electric toothbrush accessories, and solves the technical problem that in the prior art, the electric toothbrush charging device is flatly placed on a table top when being charged, and the toothbrush head is easily stained with stains on the table top. The electric toothbrush charging device comprises a charging seat and a charging wire; one end of the charging wire is used for connecting a power supply, the other end of the charging wire is a charging plug, and the charging plug is arranged on the charging seat and can extend out of the charging seat; the charging seat bottom can be placed on desktop or subaerial, has electric toothbrush to place the space on the charging seat and electric toothbrush can place on the charging seat and through charging seat one and stand on desktop or subaerial after electric toothbrush's the mouth that charges is connected with charging plug.

However, the existing electric toothbrush has the following technical defects: the brush head of the toothbrush needs to be replaced after being used for a long time, the replacement structure of the existing toothbrush is inconvenient, and the replacement of the battery inside the toothbrush is inconvenient, so that the subsequent use is influenced. In order to solve the problems, the utility model discloses an electric toothbrush with a replaceable brush head.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an electric toothbrush with a replaceable brush head, which solves the problems as much as possible.

The utility model discloses a following technical scheme realizes:

the utility model provides an electric toothbrush of removable brush head, includes the handle, the handle outside is provided with the switch, handle right side end is provided with the battery cover, handle left side end fixedly connected with connecting rod, the brush head is installed in the grafting of connecting rod left side end.

Preferably, the outer side surface of the handle is provided with a friction pad, the outer side of the handle is provided with a groove, and the switch is arranged in the groove.

Preferably, the inner side surface of the battery cover is fixedly connected with a battery frame, the right side end of the battery frame is in threaded connection with the inner cavity wall of the handle, a battery is arranged in the battery frame, and heat dissipation holes are uniformly formed in the outer wall of the battery frame.

Preferably, the connecting rod inner chamber right side is provided with shock dynamo, the shock dynamo left side is connected with the baffle, and the upper and lower end fixed connection connecting rod inner chamber wall of baffle, baffle left surface fixed connection vibrating bar, the vibrating bar outside cover is equipped with the ring cover, the lower extreme passes through rubber pole fixed connection connecting rod inner chamber wall on the ring cover, the vibrating bar inner chamber is equipped with the opening, and is provided with the spring in the opening.

Preferably, brush head right side end fixedly connected with connector, connector threaded connection vibrations pole, the brush head outside is provided with the sealing washer with the connecting rod contact surface, the brush head lower extreme is provided with the brush hair.

The utility model has the advantages that:

the utility model discloses a to brush the head and pass through on connecting block threaded connection and the vibrations pole cooperate the vibrations motor drive to shake and realize the clearance to the oral cavity tooth, wherein the cooperation of multiunit vibrations structure can realize the effect optimization of vibrations to the change in the later stage of being convenient for can be dismantled to the brush head and use, connects the battery frame through the battery cover and installs the battery, and the louvre in the battery frame outside can dispel the heat to the battery, and the change and the maintenance of the later stage of being convenient for to the battery cover threaded connection dismantlement battery cover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that 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 these drawings without creative efforts.

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

FIG. 2 is a schematic view of the battery cover and the connection structure of FIG. 1 according to the present invention;

figure 3 is a resulting cross-sectional view of the connecting rod of figure 1 in accordance with the present invention;

fig. 4 is a view of the brush head and the connection structure of fig. 1 of the present invention

Schematic representation.

In the figure: 1-handle, 11-friction pad, 12-groove, 2-switch, 3-battery cover, 31-battery frame, 32-battery, 33-heat dissipation hole, 4-connecting rod, 41-vibration motor, 42-clapboard, 43-vibration rod, 44-ring sleeve, 45-rubber rod, 46-opening, 5-brush head, 51-connecting head, 52-sealing ring and 53-brush hair.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, an electric toothbrush with a replaceable brush head comprises a handle 1, a switch 2 is arranged outside the handle 1, a battery cover 3 is arranged at the right side end of the handle 1, a connecting rod 4 is fixedly connected to the left side end of the handle 1, and a brush head 5 is inserted and installed at the left side end of the connecting rod 4.

Specifically, a friction pad 11 is arranged on the outer side surface of the handle 1, a groove 12 is formed in the outer side of the handle 1, and the switch 2 is arranged in the groove 12. The inner side surface of the battery cover 3 is fixedly connected with a battery frame 31, the right side end of the battery frame 31 is in threaded connection with the inner cavity wall of the handle 1, a battery 32 is arranged in the battery frame 31, and heat dissipation holes 33 are uniformly formed in the outer wall of the battery frame 31. The right side of the inner cavity of the connecting rod 4 is provided with a vibration motor 41, the left side of the vibration motor 41 is connected with a partition plate 42, the upper end and the lower end of the partition plate 42 are fixedly connected with the inner cavity wall of the connecting rod 4, the left side surface of the partition plate 42 is fixedly connected with a vibration rod 43, the outer side of the vibration rod 43 is sleeved with a ring sleeve 44, the upper end and the lower end of the ring sleeve 44 are fixedly connected with the inner cavity wall of the connecting rod 4 through a rubber rod 45, the inner cavity. The right side end of the brush head 5 is fixedly connected with a connector 51, the connector 51 is in threaded connection with the vibration rod 43, a sealing ring 52 is arranged on the contact surface of the outer side of the brush head 5 and the connecting rod 4, and bristles 53 are arranged at the lower end of the brush head 5.

The working principle is as follows: the utility model discloses when changing the battery, the screw thread that the screw thread rotated battery cover 3 and drove the battery frame 31 outside rotates battery cover 3 together with battery frame 31 dismantlement with 1 screw thread of handle, takes out afterwards to peg graft and the change that charges of the battery 32 in the battery frame 31, again with battery cover 3 together with battery installation and handle 1 in, the louvre 33 in the battery frame 31 outside can dispel the heat to the battery. When the brush head is replaced, the connecting head 51 at the inner end of the brush head 5 is in threaded connection with the thread at the outer end of the vibration rod 43, and the sealing ring 52 realizes the sealing connection between the brush head and the connecting rod 4, so that water is prevented from entering the connecting rod 4. When brushing teeth, the handle 1 is held, the friction pad 11 increases the friction force of the contact surface, the switch in the starting groove 12 drives the vibration motor 41 to start, the vibration motor 41 transmits the vibration to the brush head 5 through the vibration rod 43, and the spring in the opening 46 in the vibration rod 42 and the rubber rod 45 outside the ring sleeve 44 can increase the vibration effect, so that the brush head 5 can better clean the oral cavity.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. An electric toothbrush with a replaceable brush head, which comprises a handle (1), and is characterized in that: the toothbrush is characterized in that a switch (2) is arranged outside the handle (1), a battery cover (3) is arranged at the right side end of the handle (1), a connecting rod (4) is fixedly connected to the left side end of the handle (1), and a toothbrush head (5) is installed at the left side end of the connecting rod (4) in an inserted mode.

2. A replaceable head electric toothbrush as claimed in claim 1, wherein: the handle is characterized in that a friction pad (11) is arranged on the outer side face of the handle (1), a groove (12) is formed in the outer side of the handle (1), and the switch (2) is arranged in the groove (12).

3. A replaceable head electric toothbrush as claimed in claim 1, wherein: the battery cover is characterized in that a battery frame (31) is fixedly connected to the inner side face of the battery cover (3), the right side end of the battery frame (31) is in threaded connection with the inner cavity wall of the handle (1), a battery (32) is arranged in the battery frame (31), and heat dissipation holes (33) are uniformly formed in the outer wall of the battery frame (31).

4. A replaceable head electric toothbrush as claimed in claim 1, wherein: connecting rod (4) inner chamber right side is provided with shock dynamo (41), shock dynamo (41) left side is connected with baffle (42), and the upper and lower end fixed connection connecting rod (4) inner chamber wall of baffle (42), baffle (42) left surface fixed connection vibrations pole (43), vibrations pole (43) outside cover is equipped with ring cover (44), rubber pole (45) fixed connection connecting rod (4) inner chamber wall is passed through to ring cover (44) upper and lower end, vibrations pole (43) inner chamber is equipped with opening (46), and is provided with the spring in opening (46).

5. A replaceable head electric toothbrush as claimed in claim 4, wherein: brush head (5) right side fixedly connected with connector (51), connector (51) threaded connection vibrations pole (43), the brush head (5) outside is provided with sealing washer (52) with connecting rod (4) contact surface, brush head (5) lower extreme is provided with brush hair (53).