Novel 360-degree rotating electric toothbrush

Abstract

The utility model discloses a novel 360-degree rotating electric toothbrush and relates to the technical field of daily necessities. Comprising a front brush rod, the front end of the front brush rod is provided with a round brush head base with an opening in one side, the opening end of the round brush head base is provided with a round brush head, the rear end of the front brush rod is detachably connected with a brush handle, the brush handle is formed by light-proof plastic in an injection molding mode, and a key is arranged on the brush handle and used for starting and adjusting the running state of the electric toothbrush. And the brush handle is also provided with an identifier for displaying the state of the electric toothbrush. The soft rubber is arranged on the button installation portion and the marks on the brush handle, the soft rubber and the brush handle are integrally formed in an injection molding mode, and compared with the prior art, the process is simpler, and cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, in particular to a novel 360-degree rotating electric toothbrush. Background Art

[0002] In the prior art, CN205849568U discloses an electric toothbrush handle and an electric toothbrush, wherein the electric toothbrush handle comprises: a shell, an inner cavity of which is provided with at least one light-emitting element; a light-shielding member, which comprises: a light-transmitting plate, which is provided on the periphery of at least one of the light-emitting elements; and a first coating, which is provided on the outer surface and / or inner surface of the light-transmitting plate; wherein a light-transmitting area with a set shape is formed on the first coating at a position corresponding to each of the light-emitting elements; the light of the light-emitting element can pass through the light-transmitting area so that the shape of the light-transmitting area can be visualized through the shell. This structural design enables the toothbrush to have good waterproof performance, but the process is complicated and the production cost is high.

[0003] CN211834830U discloses an integrated electric toothbrush that is easy to replace the brush head. The shell is an integrated structure that encapsulates all transmission components. After a period of use, the transmission components such as gears and connecting shafts will wear out. After wear, abnormal noise is likely to be generated. If a new electric toothbrush is replaced, the cost is high. Utility Model Content

[0004] The purpose of the utility model is to provide a novel 360-degree rotating electric toothbrush, which can effectively solve the problems in the background technology.

[0005] The technical solution for achieving the above object is: a novel 360-degree rotating electric toothbrush, comprising a front brush rod, a circular brush head rotatably mounted on the front side of the front brush rod, a brush handle detachably connected to the rear end of the front brush rod, a driven gear in transmission connection with the circular brush head, and a driving gear meshing with the driven gear installed in the front brush rod;

[0006] A bracket is installed in the brush handle, and a motor, battery, and circuit board are installed on the bracket. The motor is connected to the driving gear through a transmission assembly;

[0007] The features include: the brush handle is made of opaque plastic injection molding, and a button is provided on the brush handle for turning on and adjusting the operating state of the electric toothbrush;

[0008] The brush handle is also provided with an identification mark for displaying the status of the electric toothbrush. The identification mark includes a through hole opened on the brush handle, and a first soft glue is sealed in the through hole. A light-emitting element is provided on the circuit board facing the first soft glue in the through hole. The light of the light-emitting element passes through the first soft glue so that the shape of the first soft glue is visualized to form an identification display.

[0009] Furthermore, a button mounting hole for mounting a button is provided on the brush handle, a second soft glue is sealed in the button mounting hole, and the button is connected to the second soft glue.

[0010] Furthermore, the first soft glue, the second soft glue and the brush handle are integrally injection molded.

[0011] Furthermore, a positioning groove is provided on the second soft rubber, and a protrusion that is locked in the positioning groove is provided on the back of the button.

[0012] Furthermore, the brush handle and the front brush rod are connected by snap connection or threaded connection.

[0013] Furthermore, the transmission assembly includes a connector arranged in the rear end port of the front brush rod, the driving gear is connected to the connector through a transmission shaft, the rear end of the connector is provided with a plug interface, and the output end of the motor is provided with a plug connected to the plug interface.

[0014] Furthermore, the connector is clearance-matched with the front brush rod, and a first positioning sleeve for positioning the connector, the transmission assembly, and the driving gear inwardly in the front brush rod is further provided in the rear port of the front brush rod.

[0015] Furthermore, a first sealing ring is provided between the front brush rod and the brush handle.

[0016] Furthermore, a second sealing ring is provided between the output shaft of the motor and the brush handle.

[0017] Furthermore, the tail end of the brush handle is open and is clamped with a tail cover, and a third sealing ring is provided between the tail cover and the brush handle.

[0018] The beneficial effects of the present invention are as follows: the present invention divides the brush handle into a front brush rod and a handle, and integrates the transmission components into the front brush rod. When the transmission components are worn, the front brush rod can be replaced as a whole without replacing the entire toothbrush, thereby reducing costs.

[0019] The button installation part and the mark on the brush handle of the utility model are both provided with soft glue, and the soft glue and the brush handle are integrally injection-molded. Compared with the existing technology, the process is simpler and the cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0022] Figure 3 is a cross-sectional view of the front brush bar;

[0023] Figure 4 This is a partial enlarged view of the brush handle. DETAILED DESCRIPTION

[0024] like Figure 1-4 As shown, the utility model includes a front brush rod 1, the front end of the front brush rod 1 is provided with a circular brush head seat 2 with an opening on one side, the open end of the circular brush head seat is provided with a circular brush head 4, and the rear end of the front brush rod 1 is detachably connected to the brush handle 5. Specifically, the front brush rod 1 and the brush handle 5 can be, but not limited to, a card connection or a threaded connection structure. A first sealing ring 6 is provided between the front brush rod 1 and the brush handle 5. The tail end of the brush handle 5 is open, and the inner wall is provided with a circle of card grooves 29 with an arc-shaped cross-section. The tail end opening of the brush handle 5 is card-mounted with a tail cover 30, and the outer periphery of the tail cover 30 is provided with a circle of ridges 31 that cooperate with the card groove 29. A third sealing ring 36 is also provided between the tail cover 30 and the brush handle 5.

[0025] A driven gear 7 threadedly connected to the circular brush head 4 and a driving gear 8 meshing with the driven gear 7 are installed in the front brush rod 1 .

[0026] A bracket 10 is installed in the brush handle 5, and a motor 11, a battery 12, and a circuit board 13 are installed on the bracket 10. A second sealing ring 14 is provided between the output shaft of the motor 11 and the brush handle 5. The motor 11 is connected to the driving gear 8 through a transmission assembly; the transmission assembly includes a connector 15 arranged in the rear end port of the front brush rod 1 and coaxially arranged with the driving gear 8. The driving gear 8 is connected to the connector 15 through a transmission shaft 16. The driving gear 8 and the opposite ends of the connector 15 are provided with D-shaped sockets, and both ends of the transmission shaft 16 are respectively provided with D-shaped plugs, which are inserted into the D-shaped sockets of the driving gear 8 and the connector 15. A five-pointed star socket is provided at the end of the connector 15 away from the transmission shaft 16, and a plug 35 that is plugged in and out of the five-pointed star socket is provided at the output end of the motor 11.

[0027] The connector 15 is clearance-matched with the front brush rod 1 , and a first positioning sleeve 17 for positioning the connector 15 , the transmission assembly, and the driving gear 8 inwardly in the front brush rod 1 is installed in the front brush rod 1 outside the connector 15 .

[0028] The brush handle 5 is made of opaque plastic injection molding. A button 18 is provided on the brush handle 5 for starting and adjusting the operating state of the electric toothbrush. Multiple buttons can be provided according to control needs, which belongs to the existing technology.

[0029] The brush handle 5 is also provided with an identification mark 19 for displaying the status of the electric toothbrush. The identification mark 19 includes a through hole 20 opened on the brush handle. A first soft glue 21 is sealed in the through hole 20. A light-emitting element (not shown in the figure) is provided on the circuit board facing the first soft glue 21 in the through hole. The light of the light-emitting element passes through the first soft glue 21 so that the shape of the first soft glue 21 is visualized to form an identification display. The first soft glue 21 can adopt different shapes according to the status display.

[0030] The brush handle 5 is provided with a button mounting hole 22 for mounting the button 18 . A second soft glue 23 is sealed in the button mounting hole 22 , and the button 18 is connected to the second soft glue 23 .

[0031] The first soft glue 21 , the second soft glue 23 and the brush handle 5 are integrally injection-molded. A positioning groove 27 is provided on the second soft glue 23 , and a protrusion 28 that is locked in the positioning groove 27 is provided on the back of the button 18 .

Claims

1. A novel 360-degree rotating electric toothbrush comprising a front brush rod, the front end of which is provided with a circular brush head holder with an opening on one side, the open end of which is provided with a circular brush head, the rear end of which is detachably connected to a brush handle, and a driven gear in transmission connection with the circular brush head and a driving gear meshing with the driven gear mounted within the front brush rod; A bracket is installed in the brush handle, and a motor, battery, and circuit board are installed on the bracket. The motor is connected to the driving gear through a transmission assembly; Its characteristics are: The brush handle is made of opaque plastic injection molding and is equipped with a button for turning on and adjusting the operating status of the electric toothbrush. The brush handle is also provided with an identification mark for displaying the status of the electric toothbrush. The identification mark includes a through hole opened on the brush handle, and a first soft glue is sealed in the through hole. A light-emitting element is provided on the circuit board facing the first soft glue in the through hole. The light of the light-emitting element passes through the first soft glue so that the shape of the first soft glue is visualized to form an identification display.

2. A novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: A button mounting hole for mounting a button is provided on the brush handle, a second soft glue is sealed in the button mounting hole, and the button is connected to the second soft glue.

3. A novel 360-degree rotating electric toothbrush according to claim 2, characterized in that: The first soft glue, the second soft glue and the brush handle are integrally injection-molded.

4. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: A positioning groove is provided on the second soft rubber, and a protrusion is provided on the back of the button to be locked in the positioning groove.

5. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: The brush handle and the front brush rod are connected by snap connection or thread connection.

6. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: The transmission assembly includes a connector arranged in the rear end port of the front brush rod, the driving gear is connected to the connector through a transmission shaft, the rear end of the connector is provided with a plug interface, and the output end of the motor is provided with a plug connected to the plug interface.

7. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: The connector is clearance-matched with the front brush rod, and a first positioning sleeve for positioning the connector, the transmission assembly, and the driving gear inwardly in the front brush rod is further provided in the rear port of the front brush rod.

8. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: A first sealing ring is provided between the front brush rod and the brush handle.

9. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: A second sealing ring is provided between the output shaft of the motor and the brush handle.

10. The novel 360-degree rotating electric toothbrush according to claim 1, characterized in that: The tail end of the brush handle is open and is clamped with a tail cover, and a third sealing ring is arranged between the tail cover and the brush handle.

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