CN219323522U

CN219323522U - Toothbrush head assembly and electric toothbrush

Info

Publication number: CN219323522U
Application number: CN202320769545.3U
Authority: CN
Inventors: 张剑忠; 李冬保
Original assignee: Ruishengte Technology Shenzhen Co ltd
Current assignee: Ruishengte Technology Shenzhen Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-11
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to the technical field of toothbrush head installation, and discloses a toothbrush head assembly and an electric toothbrush, wherein the toothbrush head assembly comprises: the toothbrush comprises a motor, a decorative ring and a toothbrush handle, wherein the decorative ring is embedded at one end of the toothbrush handle, a driving shaft of the motor is connected with the decorative ring in a clamping mode, an accommodating cavity for accommodating the driving shaft is formed in the decorative ring, an elastic clamping arm is arranged on the decorative ring and comprises a clamping buckle and a clamping block, clamping grooves matched with the clamping buckle are formed in the driving shaft, the clamping block is used for tightly clamping the driving shaft, a pressing block is arranged in the decorative ring, one side of the driving shaft is provided with a clamping face which is respectively connected with the clamping block and the pressing block in a clamping mode, the pressing block, the clamping block and the clamping buckle are distributed from inside to outside along the axis direction of the decorative ring, and the pressing block, the clamping block and the clamping buckle are located on the same side of the decorative ring. The utility model improves the connection stability between the driving shaft and the toothbrush head and reduces the manufacturing cost.

Description

Toothbrush head assembly and electric toothbrush

Technical Field

The utility model relates to the technical field of toothbrush head installation, in particular to a toothbrush head assembly and an electric toothbrush.

Background

Along with the improvement of the living standard of people, the importance degree of cavity health is higher and higher. The electric toothbrush has the advantages of strong cleaning capability, convenience, practicability, capability of reducing damage to teeth or gums, and the like, and the popularity is increasing.

In the prior art, an electric toothbrush comprises a handle and a replaceable toothbrush head, wherein a driving shaft for driving the toothbrush head to swing is embedded in the handle. The brush head needs to be frequently separated from the drive shaft for cleaning or other purposes. However, the conventional toothbrush head is simply hard-matched and easily causes the infirm abutting, or the fourth piece structure such as the elastic sheet is installed to strengthen the abutting of the driving shaft, so that more components of the toothbrush head are caused, and the manufacturing cost and the installation difficulty of the toothbrush head are increased.

Therefore, how to provide a toothbrush head assembly and an electric toothbrush to make the connection more stable and reduce the manufacturing cost is a technical problem to be solved.

Disclosure of Invention

The utility model aims to provide a toothbrush head assembly and an electric toothbrush, so that the toothbrush head assembly and the electric toothbrush are more firmly connected and are convenient to assemble and disassemble.

To this end, according to a first aspect, an embodiment of the present utility model discloses a toothbrush head assembly comprising: the toothbrush comprises a motor, a decorative ring and a toothbrush handle, wherein the decorative ring is embedded and arranged at one end of the toothbrush handle, a driving shaft of the motor is connected with the decorative ring in a clamping mode, an accommodating cavity for accommodating the driving shaft is formed in the decorative ring, an elastic clamping arm is arranged on the decorative ring and comprises a buckle and a clamping block, a clamping groove matched with the buckle is formed in the driving shaft, the clamping block is used for being abutted against the driving shaft, a pressing block is arranged in the decorative ring, one side of the driving shaft is provided with a abutting surface for being abutted against the abutting block, the pressing block, the abutting block and the buckle are distributed outwards from inside to outside along the axis direction of the decorative ring, and the pressing block, the abutting block and the buckle are located on the same side of the decorative ring.

The utility model is further characterized in that the buckle is provided with an inclined surface and a clamping surface which are connected, and the clamping surface is abutted with the inner wall of the clamping groove.

The utility model is further arranged that the clamping joint surface is in a spherical surface.

The utility model is further characterized in that the driving shaft is provided with a first plane which is opposite to the abutting surface, and the decorative ring is internally provided with a second plane which is matched with the first plane.

The utility model further provides that the inner wall of the decorative ring is provided with a blocking surface which is arranged in a plane.

The utility model further provides that the decorative ring, the pressing block, the abutting block and the buckle are of an integrated structure.

The toothbrush handle is further arranged to be bonded with the decorative ring or welded by ultrasonic waves.

The toothbrush is further characterized in that a positioning block is arranged in the toothbrush handle, and the decorative ring is provided with a positioning groove matched with the positioning block in a positioning way.

The toothbrush is further characterized in that the toothbrush handle is provided with a plurality of mounting holes, and bristles are arranged in the mounting holes.

According to a second aspect, an embodiment of the present utility model discloses an electric toothbrush, including a toothbrush main body and the toothbrush head assembly according to the first aspect, where the toothbrush main body is connected to the toothbrush head assembly.

The utility model has the following beneficial effects: through crimping piece, butt piece and buckle from inside to outside along the axle center direction of decorating the ring distributes, drive shaft and decorating the ring joint, butt piece and crimping piece all play and support tight effect, and then provide a toothbrush head subassembly, promoted the connection steadiness between drive shaft and the toothbrush head to reduce its manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a toothbrush head assembly according to the present disclosure;

FIG. 2 is a schematic front view of a toothbrush head assembly as disclosed in this embodiment;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a schematic perspective view of a decorative ring in a toothbrush head assembly as disclosed in this embodiment;

FIG. 5 is a schematic view of a decorative ring in a toothbrush head assembly in a semi-sectional configuration as disclosed in this embodiment;

FIG. 6 is a schematic perspective view of a toothbrush handle in a toothbrush head assembly as disclosed in this embodiment;

fig. 7 is a schematic view of the structure of an electric toothbrush disclosed in this embodiment.

Reference numerals: 1. a motor; 11. a drive shaft; 111. a clamping groove; 112. an abutment surface; 113. a first plane; 2. a decorative ring; 21. a receiving chamber; 22. a clamping arm; 221. a buckle; 2211. an inclined plane; 2212. a clamping surface; 222. an abutment block; 23. a press-connection block; 24. a second plane; 25. a stop surface; 26. a positioning groove; 3. a toothbrush handle; 31. a positioning block; 32. a mounting hole; 4. brushing; 5. a toothbrush main machine.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

According to a first aspect, an embodiment of the present utility model discloses a toothbrush head assembly, as shown in fig. 1-7, comprising: the toothbrush comprises a motor 1, a decorative ring 2 and a toothbrush handle 3, wherein the decorative ring 2 is embedded and arranged at one end of the toothbrush handle 3, a driving shaft 11 of the motor 1 is clamped with the decorative ring 2, a containing cavity 21 for containing the driving shaft 11 is arranged in the decorative ring 2, an elastic clamping arm 22 is arranged on the decorative ring 2, the clamping arm 22 comprises a clamping buckle 221 and a clamping block 222, a clamping groove 111 matched with the clamping buckle 221 is formed in the driving shaft 11, the clamping block 222 is used for abutting the driving shaft 11, a pressing block 23 is arranged in the decorative ring 2, a clamping face 112 respectively abutted against the clamping block 222 and the pressing block 23 is arranged on one side of the driving shaft 11, the pressing block 23, the clamping block 222 and the clamping buckle 221 are distributed outwards from inside to outside along the axis direction of the decorative ring 2, and the pressing block 23, the clamping block 222 and the clamping buckle 221 are located on the same side of the decorative ring 2.

It should be noted that, through the compression joint block 23, the abutment block 222 and the buckle 221, the driving shaft 11 is clamped with the decorative ring 2 from inside to outside along the axial direction of the decorative ring 2, and the abutment block 222 and the compression joint block 23 both play a role in abutting, so as to provide a toothbrush head assembly, improve the connection stability between the driving shaft 11 and the toothbrush head, and reduce the manufacturing cost thereof.

As shown in fig. 3-5, the buckle 221 is provided with an inclined surface 2211 and a clamping surface 2212 which are connected, and the clamping surface 2212 is abutted against the inner wall of the clamping groove 111. It should be noted that, by the arrangement of the clamping surface 2212, the clamping buckle 221 is convenient to be abutted with the inner wall of the clamping groove 111; through the setting of inclined plane 2211, buckle 221 slides out from draw-in groove 111 of being convenient for, realizes dismantling smoothly.

As shown in fig. 3-5, the engagement surface 2212 is provided in a spherical shape.

As shown in fig. 3-5, the driving shaft 11 is provided with a first plane 113 opposite to the abutting surface 112, and the decoration ring 2 is provided with a second plane 24 matched with the first plane 113. It should be noted that, due to the matching of the first plane 113 and the second plane 24, the driving shaft 11 is easily inserted into the accommodating cavity 21, and the driving shaft 11 is more firmly clamped with the decorative ring 2.

As shown in fig. 3-5, the inner wall of the trim ring 2 is provided with a stop surface 25 in a planar arrangement. In a specific implementation, the blocking surface 25 is arranged in a plane; by providing the blocking surface 25, the drive shaft 11 can be easily inserted in place, and the drive shaft 11 can be prevented from being excessively inserted, thereby achieving smooth installation.

As shown in fig. 1 to 5, the decorative ring 2, the press-contact block 23, the abutment block 222, and the buckle 221 are integrally formed. It should be noted that, since the decorative ring 2, the press-connection block 23, the abutment block 222 and the buckle 221 are integrally formed, the one-time injection molding is facilitated, the rapid processing is realized, and the manufacturing cost is reduced.

As shown in fig. 3, the toothbrush handle 3 is bonded or ultrasonically welded to the decorative ring 2. It should be noted that, because the toothbrush handle 3 is bonded with the decorative ring 2 or is welded by ultrasonic, the toothbrush handle 3 and the decorative ring 2 can be fixedly connected, and the decorative ring 2 is driven to move by the rotation of the driving shaft 11, so as to drive the toothbrush handle 3 to swing, thereby realizing the tooth brushing operation.

As shown in fig. 3, 5 and 6, a positioning block 31 is arranged in the toothbrush handle 3, and the decorative ring 2 is provided with a positioning groove 26 matched with the positioning block 31 in a positioning way. It should be noted that, through the positioning cooperation of the positioning block 31 and the positioning groove 26, the decorative ring 2 can be quickly installed in place, the assembly difficulty is reduced, and the overall assembly efficiency of the electric toothbrush can be improved.

As shown in fig. 1 to 3, the toothbrush handle 3 is provided with a plurality of mounting holes 32, and bristles 4 are arranged in the mounting holes 32.

According to a second aspect, an embodiment of the present utility model discloses an electric toothbrush, as shown in fig. 7, comprising a toothbrush main body 5 and the toothbrush head assembly of the first aspect, wherein the toothbrush main body 5 is connected with the toothbrush head assembly.

Working principle: through crimping piece 23, butt piece 222 and buckle 221 from inside to outside along the axle center direction of decorating ring 2 distribution, drive shaft 11 and decorating ring 2 joint, butt piece 222 and crimping piece 23 all play the tight effect of support, and then provide a toothbrush head subassembly, promoted the connection steadiness between drive shaft 11 and the toothbrush head to reduce its manufacturing cost.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A brushhead assembly, comprising: motor (1), decoration ring (2) and toothbrush handle (3), decorate ring (2) inlay set up install in toothbrush handle (3) one end, drive shaft (11) of motor (1) with decorate ring (2) joint, be equipped with in decorating ring (2) be used for holding drive shaft (11) male holding chamber (21), be equipped with on decorating ring (2) have elastic joint arm (22), joint arm (22) include buckle (221) and butt piece (222), be equipped with on drive shaft (11) with draw-in groove (111) of buckle (221) adaptation, butt piece (222) are used for the butt in drive shaft (11), be equipped with in decorating ring (2) pressure joint piece (23), one side of drive shaft (11) be equipped with respectively with butt piece (222) with pressure joint piece (23) the butt face (112), pressure joint piece (23) and buckle piece (222) and buckle piece (221) are followed in the same direction in buckle (221) the same direction that the axle center of the joint is followed in (2) the decoration ring (222).

2. The toothbrush head assembly according to claim 1, wherein the buckle (221) is provided with an inclined surface (2211) and a clamping surface (2212) which are connected, and the clamping surface (2212) is abutted against the inner wall of the clamping groove (111).

3. The brushhead assembly of claim 2, wherein the snap-fit surface (2212) is spherically disposed.

4. The toothbrush head assembly according to claim 1, characterized in that a first plane (113) opposite to the abutment surface (112) is provided on the drive shaft (11), and a second plane (24) adapted to the first plane (113) is provided in the decorative ring (2).

5. A toothbrush head assembly according to claim 1, characterized in that the inner wall of the decorative ring (2) is provided with a stop surface (25) arranged in a plane.

6. The toothbrush head assembly according to any one of claims 1-5 wherein the decorative ring (2), the crimp block (23), the abutment block (222), and the clasp (221) are an integrally formed structure.

7. The toothbrush head assembly according to claim 1, characterized in that the toothbrush handle (3) is glued or ultrasonically welded to the decorative ring (2).

8. The toothbrush head assembly according to claim 1 or 7, characterized in that a positioning block (31) is arranged in the toothbrush handle (3), and the decorative ring (2) is provided with a positioning groove (26) matched with the positioning block (31) in a positioning way.

9. The toothbrush head assembly according to claim 1, characterized in that the toothbrush handle (3) is provided with a plurality of mounting holes (32), and bristles (4) are mounted in the mounting holes (32).

10. An electric toothbrush comprising a brush host (5) and a brush head assembly according to any one of claims 1-9, said brush host (5) being connected to said brush head assembly.