CN219000658U

CN219000658U - Electric toothbrush head

Info

Publication number: CN219000658U
Application number: CN202320078877.7U
Authority: CN
Inventors: 杨昌良; 卢淑
Original assignee: Shenzhen Intech Technology Co ltd
Current assignee: Shenzhen Intech Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-12
Anticipated expiration: 2033-01-10

Abstract

The present utility model provides an electric toothbrush head comprising: the novel brush comprises a first brush seat, a second brush seat, a third brush seat, a spring seat, a rod body and a transmission assembly, wherein the first brush seat, the second brush seat and the third brush seat are sequentially arranged on the rod body side by side; the spring seat includes: one end of the spring is connected with the electric device, and the other end of the spring is fixedly connected with the spring seat so as to push the spring seat to move up and down; the spring seat is fixedly connected with the first brush seat through the transmission assembly so as to drive the first brush seat to rotate, and the first brush seat is rotationally connected with the second brush seat through the transmission assembly. According to the utility model, through the design of the brush head moving in multiple directions, the purposes of no dead angle and good cleaning effect are achieved; the spring is combined with the gear to drive, so that the whole structure is simplified.

Description

Electric toothbrush head

Technical Field

The utility model relates to the field of electric toothbrushes, in particular to an electric toothbrush head.

Background

In daily life, in order to achieve a cleaner effect, people use an electric toothbrush to clean the oral cavity. At present, the electric toothbrush generally adopts the rapid rotation or vibration of the motor core to enable the toothbrush head to move up and down or vibrate, instantly decompose toothpaste into fine foam, deeply clean the gaps between teeth, and achieve the effect of cleaning the oral cavity.

However, electric toothbrushes in the market generally adopt a vertical brush head structure, the movement direction is single, most of the brush heads move up and down and vibrate, and the multi-direction comprehensive cleaning of teeth cannot be realized; when people use the electric toothbrush to brush the occlusal surfaces of teeth transversely, the teeth can not be cleaned, the electric toothbrush is inconvenient to use when brushing the teeth vertically, residues deposited at the bottom of the tooth roots can not be washed away finely, the teeth are easy to clean incompletely, and the oral hygiene is affected; the electric toothbrush head realizing multidirectional movement has the advantages of complex transmission device structure, more parts and complex manufacturing and mounting processes.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an electric toothbrush head so as to solve the technical problems of single movement direction, incomplete cleaning and complex structure of the existing electric toothbrush.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an electric toothbrush head, comprising: the novel brush comprises a first brush seat, a second brush seat, a third brush seat, a spring seat, a rod body and a transmission assembly, wherein the first brush seat, the second brush seat and the third brush seat are sequentially arranged on the rod body side by side; the spring seat includes: one end of the spring is connected with the electric device, and the other end of the spring is fixedly connected with the spring seat so as to push the spring seat to move up and down; the spring seat is fixedly connected with the first brush seat through the transmission assembly so as to drive the first brush seat to rotate, and the first brush seat is rotationally connected with the second brush seat through the transmission assembly.

Wherein, the transmission assembly includes: the first gear is fixedly connected to the lower portion of the first brush seat, the first gear is provided with a protruding shaft, the protruding shaft is fixedly connected to the lower portion of the first gear, and the spring seat is fixedly connected with the protruding shaft through a transmission assembly.

Wherein, the transmission assembly further includes: and one end of the connecting piece is in threaded connection with the spring seat, and the other end of the connecting piece is in threaded connection with the protruding shaft.

Wherein, the body of rod includes: a front cover; the protecgulum install in the front end of the body of rod, the protecgulum includes: the front cover is used for supporting the first brush seat, the second brush seat and the third brush seat.

Wherein, the transmission assembly further includes: the first gear is rotationally connected with the mounting groove through the first bearing sleeve, and the second gear is rotationally connected with the mounting groove through the second bearing sleeve.

Wherein, the transmission assembly further includes: the device comprises a first transmission shaft, a second transmission shaft, a third gear and a fourth gear, wherein the first transmission shaft is fixedly connected with the first gear, and the second transmission shaft is fixedly connected with the second gear; the third gear is fixedly connected to the first transmission shaft, the fourth gear is fixedly connected to the second transmission shaft, and the third gear and the fourth gear are meshed with each other.

The third brush seat is connected with the groove in a clamping mode, the third brush seat is provided with a plurality of strip-shaped grooves, the spring seat is provided with a plurality of corresponding strip-shaped convex bodies, and the strip-shaped convex bodies penetrate through the mounting grooves and are inserted into the strip-shaped grooves.

Wherein, the body of rod still includes: the back lid, back lid fixed connection in the protecgulum, the back lid includes: the first transmission shaft and the second transmission shaft are respectively inserted into the first circular groove, and the protruding shaft is inserted into the second circular groove.

The rear cover is further provided with a limiting column, and the limiting column is inserted into the spring seat.

Wherein, the body of rod still includes: the support tube is fixedly connected to the spring seat, and the spring is connected with the electric device through the support tube.

Compared with the prior art, the utility model has the beneficial effects that: the utility model achieves the purposes of no dead angle and good cleaning effect through the design of the brush head moving in multiple directions; the spring is adopted to drive the gear, the gear drives the transmission mode of the gear, the structure is simple, and the cleaning in the up-down left-right direction can be realized only by driving the electric device.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

FIG. 1 is a schematic view of the overall structure of an electric toothbrush head according to the present utility model;

FIG. 2 is a schematic view of the structure of the inside of a rod of an electric toothbrush head according to the present utility model;

FIG. 3 is a schematic diagram illustrating the connection between a spring seat and a third brush seat of an electric toothbrush head according to the present utility model;

FIG. 4 is a schematic view of the structure of a front cover of an electric toothbrush head according to the present utility model;

FIG. 5 is a schematic view of the structure of a rear cover of an electric toothbrush head according to the present utility model;

FIG. 6 is a schematic diagram illustrating the connection of a first gear of an electric toothbrush head with a first brush holder according to the present utility model;

FIG. 7 is a schematic view of a first gear of an electric toothbrush head according to the present utility model;

FIG. 8 is a schematic diagram illustrating the connection of a second gear of an electric toothbrush head with a second brush holder according to the present utility model;

fig. 9 is a schematic structural view of a connector for an electric toothbrush head according to the present utility model.

Reference numerals:

100-an electric toothbrush head; 1-a first brush seat; 2-a second brush seat; 3-a third brush holder; 31-a bar-shaped groove; 32-hair bundles; 4-spring seat; 41-a spring; 42-bar-shaped convex bodies; 5-a rod body; 51-front cover; 511-mounting slots; 512-grooves; 52-a rear cover; 521-a first circular groove; 522-a second circular groove; 523-limit column; 53-supporting the tube; 6-a transmission assembly; 61-a first gear; 611-a male shaft; 612—a protruding shaft hole; 613-a screw; 62-connecting piece; 621-through holes; 63-a first bearing sleeve; 64-a second bearing sleeve; 65-a second gear; 66-a first drive shaft; 67-a second drive shaft; 68-a third gear; 69-fourth gear.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification/utility model and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present utility model/specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1 to 9, the present embodiment discloses an electric toothbrush head 100 comprising: the novel brush comprises a first brush seat 1, a second brush seat 2, a third brush seat 3, a spring seat 4, a rod body 5 and a transmission assembly 6, wherein the first brush seat 1, the second brush seat 2 and the third brush seat 3 are sequentially arranged on the rod body 5 side by side, the spring seat 4 is fixedly connected below the third brush seat 3, and the transmission assembly 6 is fixedly arranged in the rod body 5; the spring seat 4 includes: one end of the spring 41 is connected with the electric device, and the other end of the spring 41 is fixedly connected with the spring seat 4 so as to push the spring seat 4 to move up and down; the spring seat 4 is fixedly connected with the first brush seat 1 through the transmission component 6 so as to drive the first brush seat 1 to rotate, and the first brush seat 1 is rotationally connected with the second brush seat 2 through the transmission component 6. Specifically, the first brush holder 1, the second brush holder 2 and the third brush holder 3 are provided with a plurality of hair bundles 32, and the hair bundles 32 are composed of a plurality of hair. After being electrified, the spring 41 is continuously compressed and elongated, so that the spring seat 4 drives the third brush seat to continuously move up and down, meanwhile, the spring seat 4 drives the first brush seat 1 to rotate, and the first brush seat 1 drives the second brush seat 2 to rotate, so that multidirectional movement is realized, and multi-angle cleaning is achieved.

In one embodiment, the transmission assembly 6 comprises: the first gear 61, first gear 61 fixed connection in first brush seat 1 below, first gear 61 is equipped with protruding axle 611, protruding axle 611 fixed connection in first gear 61 below, spring holder 4 passes through drive assembly 6 and protruding axle 611 fixed connection. The spring seat 4 drives the protruding shaft 611 to move, the protruding shaft 611 drives the first gear 61 to rotate, and when the first gear 61 rotates, the first brush seat 1 can be driven to rotate.

In one embodiment, the transmission assembly 6 further comprises: and one end of the connecting piece 62 is in threaded connection with the spring seat 4, and the other end of the connecting piece 62 is in threaded connection with the protruding shaft 611. The protruding shaft 611 is internally provided with a protruding shaft hole 612 and a screw 613, two ends of the connecting piece 62 are provided with through holes 621, and after the through holes 621 pass through the protruding shaft 611, the screw 613 is mounted in the protruding shaft hole 612 to lock the connecting piece 62 on the protruding shaft 611.

In one embodiment, the rod 5 comprises: a front cover 51; the front cover 51 is mounted on the front end of the rod body 5, and the front cover 51 includes: the front cover 51 is used for supporting the first brush holder 1, the second brush holder 2 and the third brush holder 3, and comprises a mounting groove 511 and a groove 512. The mounting groove 511 is located on the central axis of the front cover 51, and corresponding mounting curves are set according to the first brush holder 1, the second brush holder 2 and the third brush holder 3, so that the first brush holder 1, the second brush holder 2 and the third brush holder 3 can move relatively to the front cover 51.

In one embodiment, the transmission assembly 6 further comprises: the first gear 61 is rotatably connected with the mounting groove 511 through the first bearing sleeve 63, the second bearing sleeve 64 and the second gear 65, the second gear 65 is fixedly connected below the second brush holder 2, and the second gear 65 is rotatably connected with the mounting groove 511 through the second bearing sleeve 64. The first and

second bearing sleeves

63, 64 fix the first and

second gears

61, 65 inside, respectively, and ensure the rotation of the first and

second gears

61, 65 with respect to the front cover 51.

In one embodiment, the transmission assembly 6 further comprises: a first transmission shaft 66, a second transmission shaft 67, a third gear 68 and a fourth gear 69, wherein the first transmission shaft 66 is fixedly connected to the first gear 61, and the second transmission shaft 67 is fixedly connected to the second gear 65; the third gear 68 is fixedly connected to the first transmission shaft 66, the fourth gear 69 is fixedly connected to the second transmission shaft 67, and the third gear 68 and the fourth gear 69 are meshed with each other. When the transmission works, the first gear 61 drives the first transmission shaft 66 to rotate, the first transmission shaft 66 drives the third gear 68 to rotate, the third gear 68 drives the fourth gear 69 to rotate, the fourth gear 69 drives the second transmission shaft 67 to rotate, and the second transmission shaft 67 drives the second gear 65 to rotate, so that the second brush holder 2 is driven to rotate. The third gear 68 is meshed with the fourth gear 69, so that the rotation directions of the first brush holder 1 and the second brush holder 2 are opposite, when the electric toothbrush head 100 is vertically used, the first brush 1 and the second brush 2 rotate in the left-right direction of the use direction, the third brush 3 moves up and down, and when the third brush 3 contacts the occlusal surface of teeth and tooth roots, the first brush holder 1 and the second brush holder 2 can penetrate into the crevices to skim residues, and the teeth can be cleaned up and down, left and right in all directions; when the toothbrush is horizontally arranged, the first hairbrush 1 and the second hairbrush 2 rotate up and down in the using direction, the third hairbrush 3 moves left and right, and when the third hairbrush 3 contacts tooth surfaces and tooth gaps, the first hairbrush 1 and the second hairbrush 2 penetrate into the bottom of tooth roots to finely sweep sediment, and the teeth are cleaned up and down, left and right in an omnibearing manner and thoroughly.

In an embodiment, the third brush holder 3 is clamped to the groove 512, the third brush holder 3 is provided with a plurality of strip-shaped grooves 31, the spring seat 4 is provided with a plurality of corresponding strip-shaped grooves 31, and the strip-shaped protrusions 42 penetrate through the mounting groove 511 and are inserted into the strip-shaped grooves 31. The shapes of the strip-shaped grooves 31 and the strip-shaped convex bodies 42 are matched, so that the purposes of stable connection and convenient replacement are achieved.

In one embodiment, the rod 5 further comprises: a rear cover 52, the rear cover 52 being fixedly connected to the front cover 51, the rear cover 52 comprising: the first transmission shaft 66 and the second transmission shaft 67 are respectively inserted into the first circular groove 521, and the protruding shaft 611 is inserted into the second circular groove 522. The first and second

circular grooves

521, 522 support the first and

second transmission shafts

66, 67 inside the rod 5, respectively, so that the first and

second transmission shafts

66, 67 rotate at the positions thereof and are not easy to run.

In an embodiment, the rear cover 52 is further provided with a limit post 523, and the limit post 523 is inserted into the spring seat 4. The limit post 523 is used for limiting the displacement of the spring seat 4, so that the spring seat 4 moves up and down within a limited range.

In one embodiment, the rod 5 further comprises: the support pipe 53, the support pipe 53 is fixedly connected to the spring seat 4, and the spring 41 is connected with an electric device through the support pipe 53. The support tube 53 provides a structural stability to the electric toothbrush head 100.

According to the electric toothbrush head, the aims of being free of dead angles and good in cleaning effect are achieved through the design of the brush head moving in multiple directions; the spring is adopted to drive the gear, the gear drives the transmission mode of the gear, the installation is convenient, the cleaning in the up-down left-right direction can be realized only by driving the electric device, and the integral structure of the electric toothbrush head is simplified.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. An electric toothbrush head, comprising: the novel brush comprises a first brush seat, a second brush seat, a third brush seat, a spring seat, a rod body and a transmission assembly, wherein the first brush seat, the second brush seat and the third brush seat are sequentially arranged on the rod body side by side; the spring seat includes: one end of the spring is connected with the electric device, and the other end of the spring is fixedly connected with the spring seat so as to push the spring seat to move up and down; the spring seat is fixedly connected with the first brush seat through the transmission assembly so as to drive the first brush seat to rotate, and the first brush seat is rotationally connected with the second brush seat through the transmission assembly.

2. The powered toothbrush head of claim 1, wherein the drive assembly comprises: the first gear is fixedly connected to the lower portion of the first brush seat, the first gear is provided with a protruding shaft, the protruding shaft is fixedly connected to the lower portion of the first gear, and the spring seat is fixedly connected with the protruding shaft through a transmission assembly.

3. The powered toothbrush head of claim 2, wherein the drive assembly further comprises: and one end of the connecting piece is in threaded connection with the spring seat, and the other end of the connecting piece is in threaded connection with the protruding shaft.

4. The powered toothbrush head as defined in claim 3, wherein the stem comprises: a front cover; the protecgulum install in the front end of the body of rod, the protecgulum includes: the front cover is used for supporting the first brush seat, the second brush seat and the third brush seat.

5. The powered toothbrush head as defined in claim 4, wherein the drive assembly further comprises: the first gear is rotationally connected with the mounting groove through the first bearing sleeve, and the second gear is rotationally connected with the mounting groove through the second bearing sleeve.

6. The powered toothbrush head as defined in claim 5, wherein the drive assembly further comprises: the device comprises a first transmission shaft, a second transmission shaft, a third gear and a fourth gear, wherein the first transmission shaft is fixedly connected with the first gear, and the second transmission shaft is fixedly connected with the second gear; the third gear is fixedly connected to the first transmission shaft, the fourth gear is fixedly connected to the second transmission shaft, and the third gear and the fourth gear are meshed with each other.

7. The electric toothbrush head according to claim 6, wherein the third brush holder is clamped in the groove, the third brush holder is provided with a plurality of strip-shaped grooves, the spring seat is provided with a plurality of corresponding strip-shaped protrusions, and the strip-shaped protrusions penetrate through the mounting groove and are inserted into the strip-shaped grooves.

8. The powered toothbrush head as defined in claim 7, wherein the stem further comprises: the back lid, back lid fixed connection in the protecgulum, the back lid includes: the first transmission shaft and the second transmission shaft are respectively inserted into the first circular groove, and the protruding shaft is inserted into the second circular groove.

9. The electric toothbrush head according to claim 8, wherein the rear cover is further provided with a limit post, and the limit post is inserted into the spring seat.

10. The powered toothbrush head as defined in claim 9, wherein the stem further comprises: the support tube is fixedly connected to the spring seat, and the spring is connected with the electric device through the support tube.