CN209916262U - Connection structure of vibration shaft and toothbrush head, electric toothbrush, handle of electric toothbrush and toothbrush head - Google Patents

Abstract

The utility model relates to a connection structure of a vibration shaft and a toothbrush head, an electric toothbrush, a handle thereof and a toothbrush head, wherein the connection structure comprises the vibration shaft and the toothbrush head, the toothbrush head comprises a brush body connected with the vibration shaft, one of the vibration shaft and the brush body is formed into a rod piece, and the other is formed into a barrel piece sleeved outside the rod piece; the open end of section of thick bamboo spare is formed with axially extended breach, be formed with on the outer peripheral face of member and stretch into the first direction muscle of breach, the section of thick bamboo spare with the member passes through the breach with the mutual joint of first direction muscle. The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the vibrations axle is formed with breach and the first direction muscle of mutually supporting respectively on the brush body, can mutual positioning under the guide effect between first direction muscle and the breach when the two is connected to finally realize the joint, the installation is convenient fast, labour saving and time saving.

Description

Connection structure of vibration shaft and toothbrush head, electric toothbrush, handle of electric toothbrush and toothbrush head

Technical Field

The utility model relates to an electric toothbrush technical field especially relates to a connection structure, electric toothbrush handle and electric toothbrush brush head of vibrations axle and toothbrush head.

Background

The electric toothbrush is popular in some countries in Europe and America, and is gradually accepted by consumers in China. Compared with the common toothbrush, the electric toothbrush can clean more thoroughly, reduce gingivitis and gingival bleeding, and play a certain role in promoting blood circulation and massaging due to high-frequency vibration. Because the electric toothbrush head is in a vibration state during work, the connection between the electric toothbrush head and the handle must be stable and reliable to prevent the electric toothbrush head from accidentally slipping off during work, and the electric toothbrush head and the handle need to be easily separated so as to replace the electric toothbrush head. In the related art, the electric toothbrush head is mostly connected with the vibration rod through a screw or an accessory, and the connection modes have the defects of multiple accessories, complex structure, high production mold cost and the like.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, the present disclosure provides a connection structure of a vibration shaft and a toothbrush head, an electric toothbrush handle, and an electric toothbrush head.

According to a first aspect of the embodiments of the present disclosure, there is provided a connection structure of a vibration shaft and a toothbrush head, comprising a vibration shaft and a toothbrush head, wherein the toothbrush head comprises a brush body connected with the vibration shaft, one of the vibration shaft and the brush body is formed as a rod, and the other is formed as a barrel part sleeved outside the rod; the open end of section of thick bamboo spare is formed with axially extended breach, be formed with on the outer peripheral face of member and stretch into the first direction muscle of breach, the section of thick bamboo spare with the member passes through the breach with the mutual joint of first direction muscle.

Optionally, the notch is formed with a laterally recessed clamping groove, and the first guide rib is formed with a laterally protruding clamping block capable of being clamped in the clamping groove.

Optionally, the clamping blocks are formed on two sides of the first guide rib, and the clamping grooves matched with the clamping blocks are formed on two sides of the notch.

Optionally, the two sides of the first guiding rib are both formed with the clamping block, and one side of the notch is formed with the clamping groove matched with one of the clamping blocks.

Optionally, one of the two clamping blocks, which is matched with the clamping groove, has a larger lateral protruding distance than the other clamping block.

Alternatively, one end of the first guide rib protruding into the bottom of the notch is configured in a circular arc shape.

Optionally, the opening of the notch is configured as a taper with a width gradually decreasing from outside to inside.

Optionally, the barrel is made of an elastic material.

Optionally, an axially extending guide groove is formed in the inner wall of the barrel, and a second guide rib capable of extending into the guide groove is formed on the outer circumferential surface of the rod.

Alternatively, the second guide rib may include a plurality of guide grooves provided in the circumferential direction, and the guide grooves may include a plurality of guide grooves corresponding to the second guide rib one to one.

According to a second aspect of the embodiments of the present disclosure, there is provided an electric toothbrush handle including a vibration shaft for driving a brush body, the vibration shaft being the vibration shaft of the connection structure provided according to the first aspect of the embodiments of the present disclosure.

According to a third aspect of embodiments of the present disclosure, there is provided an electric toothbrush head comprising a brush body for mounting to a vibration shaft, the brush body being a brush body of the connection structure provided according to the first aspect of embodiments of the present disclosure.

According to a fourth aspect of the embodiments of the present disclosure, there is provided a power toothbrush including the structure for connecting the vibration shaft to the toothbrush head provided according to the first aspect of the embodiments of the present disclosure.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the vibrations axle is formed with breach and the first direction muscle of mutually supporting respectively on the brush body, can mutual positioning under the guide effect between first direction muscle and the breach when the two is connected to finally realize the joint, the installation is convenient fast, labour saving and time saving.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic view of a shock shaft to brushhead attachment configuration according to an exemplary embodiment;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial structural view of a brush body in the joining structure shown in FIG. 1;

FIG. 4 is a schematic view showing a coupling structure of a vibration shaft and a brush head according to another exemplary embodiment;

fig. 5 is a partially enlarged view of a portion a in fig. 4;

fig. 6 is a partial structural view of a brush body in the coupling structure shown in fig. 4.

Reference numerals

100 vibration shaft 200 brush body

310 notch 320 guide groove

410 first guide rib 420 and second guide rib

311 catching groove 411 fixture block

500 handle

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

In the present disclosure, unless otherwise specified, the use of directional terms such as "inner" and "outer" is generally directed to the proper contours of the respective components. In addition, the terms "first", "second", and the like used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance.

The present disclosure provides a connection structure of a vibration shaft and a toothbrush head, which includes a vibration shaft 100 and a toothbrush head, and the toothbrush head may include a brush body 200 connected with the vibration shaft 100. One of the vibration shaft 100 and the brush body 200 may be formed as a rod, and the other may be correspondingly formed as a tube fitting outside the rod, so as to fit the vibration shaft 100 and the brush body 200 together. To further describe other advantageous effects of the connection structure, the present disclosure will be explained below by taking only the case where the vibration shaft 100 is formed as a rod and the brush body 200 is formed as a barrel.

Referring to fig. 1, 2, 4 and 5, in an embodiment of the present disclosure, the open end of the cartridge may be formed with an axially extending notch 310, wherein axially extending refers to extending along the axial direction of the cartridge; a first guide rib 410 capable of extending into the notch 310 may be formed on the outer circumferential surface of the rod, that is, the opening end of the brush body 200 is formed with an axially extending notch 310, and a first guide rib 410 matched with the notch 310 is formed on the outer circumferential surface of the vibration shaft 100. When the vibration shaft 100 is installed, the brush body 200 is sleeved on the outer side of the vibration shaft 100, and the brush body and the vibration shaft can be clamped and fixed with each other through the notch 310 and the first guide rib 410. In the process, the vibration shaft 100 and the brush body 200 can be positioned with each other under the guiding action between the first guiding rib 410 and the notch 310, and finally, the clamping is realized, the installation is rapid and convenient, and the time and the labor are saved. Wherein, the first guide rib 410 may be configured as a bar structure extending in an axial direction, wherein the axial direction extends to refer to an axial direction of the vibration shaft 100; the notch 310 may be correspondingly configured as a bar-shaped groove adapted to the bar-shaped structure to facilitate guiding while limiting circumferential rotation of the vibration shaft 100 and the brush body 200.

Further, referring to fig. 2 and 5, the notch 310 may be formed with a laterally concave catching groove 311, and the first guiding rib 410 may be correspondingly formed with a laterally convex catching block 411 capable of being caught in the catching groove 311, so as to catch the vibration shaft 100 and the brush body 200 through the mutual cooperation of the catching block 411 and the catching groove 311. Here, "lateral" refers to both sides of the notch 310 and the first guide rib 410 perpendicular to the extending direction thereof. In the embodiment of the present disclosure, the first guiding rib 410 may be configured as a strip-shaped protrusion protruding from the outer circumferential surface of the vibration shaft 100, and the notch 310 may be correspondingly configured as a strip-shaped hole penetrating through the sidewall of the brush body 200, so that accurate installation can be achieved through the alignment and positioning of the first guiding rib 410 and the notch 310 during installation, that is, the fastening mechanism formed by the first guiding rib 410 and the notch 310 further has a fool-proof function, and the error installation direction of the vibration shaft 100 and the brush body 200 can be prevented. Thus, the first guiding rib 410 is matched with the notch 310 along the axial direction, and the latch 411 can laterally extend into the latch slot 311, so that the vibration shaft 100 and the brush body 200 can be clamped together by limiting the axial movement of the two. The latch 411 may be formed in an arc structure, and the engaging slot 311 may be formed in an arc groove matched with the arc structure, so as to facilitate the assembly and disassembly of the vibration shaft 100 and the brush body 200. The connection structure that this disclosed embodiment provided, vibrations axle 100 and brush body 200 can be through the mutual block of the joint structure that self formed, and it is firm to connect, and structural integrity is better, does not have additional accessory, and easily processing has good economic nature, can effectively improve production efficiency, is suitable for batch production.

The first guide rib 410 formed on the outer circumferential surface of the rod member may be integrally formed with the rod member, or may be separately manufactured and then connected together. Specifically, the molding method can be selected and set according to the actual situation.

According to an embodiment, referring to fig. 2 and 3, two sides of the first guiding rib 410 may be formed with the latch 411, and two sides of the notch 310 may be correspondingly formed with the latch slot 311 engaged with the two latches 411. That is, in this embodiment, the locking blocks 411 at both sides of the first guiding rib 410 are locked with the locking grooves 311 at both sides of the notch 310, so as to ensure that the vibration shaft 100 and the brush body 200 are firmly connected. In a possible implementation manner, the fixture blocks 411 on both sides of the first guiding rib 410 and the fixture grooves 311 on both sides of the notch 310 may be axially symmetrically arranged, which is convenient for production and processing and is also beneficial to improving the aesthetic effect; the locking slot 311 may be further disposed near the opening end of the notch 310 to facilitate the assembly and disassembly of the vibration shaft 100 and the brush body 200. Of course, the arrangement manner of the two side latch blocks 411 is not limited to the above symmetrical arrangement manner, and may also be arranged in an asymmetrical manner, and the two latch slots 311 are respectively arranged in one-to-one correspondence with the two latch blocks 411, specifically, the arrangement manner of the two side latch blocks 411 may be reasonably selected according to actual implementation conditions.

According to another embodiment, referring to fig. 5 and 6, two sides of the first guiding rib 410 may be formed with a latch 411, and one side of the notch 310 may be formed with a latch slot 311 engaged with one latch 411, so that two latches 411 and one latch slot 311 constitute an eccentric structure. That is, in this embodiment, after the first guiding rib 410 extends into the notch 310, the first guiding rib 410 is clamped with the clamping block 411 on one side of the notch 310 through the clamping block 411 on one side of the first guiding rib 410, and the clamping block 411 on the other side of the first guiding rib 410 is tightly pressed against the other linear side wall of the notch 310, that is, the eccentric feature can provide a pressing force for interference of the clamping mechanism, so that the clamping block 411 is pressed in the clamping groove 311, and the vibration shaft 100 and the brush body 200 are prevented from being separated from each other in the operation process of the electric toothbrush.

Further, as shown in fig. 5, in this embodiment, since one latch 411 only acts to push against the sidewall of the notch 310, and the other latch is used to engage with the latch slot 311, the lateral protruding distance of the former may be smaller, and the lateral protruding distance of the latter may be larger. That is, in order to reduce the resistance applied when the first guiding rib 410 extends into the notch 310 and ensure a good connection effect, the lateral protruding distance of one of the two latching blocks 411, which is engaged with the latching groove 311, may be greater than the lateral protruding distance of the other one. Here, "lateral" refers to both sides of the notch 310 and the first guide rib 410 perpendicular to the extending direction thereof.

According to the embodiment provided by the present disclosure, referring to fig. 2 and 5, one end of the first guiding rib 410, which extends into the bottom of the notch 310, may be configured as an arc, and the bottom of the notch 310 may also be configured as an arc, so as to facilitate the first guiding rib 410 to smoothly extend into the notch 310 and enable the first guiding rib 410 to be tightly attached to the notch 310, so as to form a closed structure. Note that, the notch 310 is formed in a groove-shaped structure that is arranged along the axial direction, and one end of the notch 310 is open and the other end is closed, and the bottom of the notch 310 refers to the closed end thereof. Of course, it should be noted that the end of the first guiding rib 410, which extends into the bottom of the notch 310, may also have other shapes, such as a folded angle shape or an irregular shape, and correspondingly, the bottom of the notch 310 may also have a shape corresponding to the bottom of the first guiding rib 410, and may be reasonably set and selected according to actual implementation conditions.

Further, as shown in fig. 2, the opening of the notch 310 may be configured to be tapered with a width gradually decreasing from outside to inside, so that the opening position has a guiding effect to facilitate the assembly, for example, the minimum width of the opening may be the same as the lateral width of the first guiding rib 410 to facilitate the insertion and extraction of the latch 411. Here, "outer" refers to the location of the notch 310 near the opening, and "inner" refers to the location of the notch 310 near the bottom of the slot.

In addition, in the embodiment of the present disclosure, the barrel may be made of an elastic material, so that when the fixture block 411 extends into the notch 310, the opening position of the notch 310 can generate a certain circumferential deformation, which is beneficial to the installation and the matching of the first guiding rib 410 and the notch 310. The first guiding rib 410 and the gap 310 may be a plurality of ribs that are mutually matched to further ensure the fastening of the vibration shaft 100 and the brush body 200.

Referring to fig. 2, 3, 5 and 6, in order to further secure the installation position and facilitate the rapid installation of the vibration shaft 100 and the brush body 200, an axially extending guide groove 320 may be further formed on the inner wall of the barrel, and a second guide rib 420 capable of extending into the guide groove 320 may be correspondingly formed on the outer circumferential surface of the rod. The second guide rib 420 may be configured as a bar structure disposed in the axial direction, and the guide groove 320 may be formed by a portion protruding between two plate-like structures of the inner wall of the cylinder. In other embodiments, the guiding groove 320 may also be a groove directly formed on the inner wall of the barrel, which is not limited in the present disclosure.

Further, the second guide rib 420 may include a plurality of ribs arranged along the circumferential direction, and the guide groove 320 may also include a plurality of ribs corresponding to the second guide rib 420 one to one, so as to sufficiently ensure the accuracy of the installation positions of the vibration shaft 100 and the brush body 200. For example, the number of the second guide ribs 420 may be two, and the two second guide ribs 420 may be disposed opposite to each other and located at both sides of the rod. In addition, in the case that the gap 310 and the first guiding rib 410 include a plurality of mutually matched parts, for example, when the connecting structure includes both the symmetrically arranged engaging mechanisms and the eccentrically arranged engaging mechanisms, the two second guiding ribs 420 may also be arranged in different sizes to have a foolproof function, so as to further prevent the installation direction error.

Like this, in the installation, second direction muscle 420 stretches into in the guide way 320, in order to guarantee that the mounted position is accurate, first direction muscle 410 slides in breach 310 gradually, when fixture block 411 on first direction muscle 410 slides in the open position of breach 310, because this department has certain guide angle, make fixture block 411 can strut the opening part of breach 310 and then slide in the linear part of breach 310, along with the continuation slip of first direction muscle 410, when fixture block 411 side direction stretches into in the draw-in groove 311 of breach 310, breach 310 resumes to warp, fixture block 411 and draw-in groove 311 block, realize vibrations axle 100 and brush body 200's fixed mounting. When the toothbrush head is replaced, the toothbrush head is pulled out forcibly, so that the fixture block 411 stretches the notch 310 again, namely circumferential elastic deformation is generated, the fixture block 411 is separated from the fixture slot 311 and slides out along the linear part of the notch 310, and the separation of the vibration shaft 100 and the brush body 200 is realized.

The present disclosure further provides an electric toothbrush, comprising the above-mentioned vibration shaft and toothbrush head connecting structure. In which, referring to fig. 1 and 4, the electric toothbrush may further include a handle 500 capable of receiving the vibration shaft 100, the vibration shaft 100 is extended out of the handle 500, and the first guide rib 410 is formed at the root of the portion of the vibration shaft 100 extended out of the handle 500 to sufficiently increase the length of the socket portion of the vibration shaft 100 and the brush body 200 to ensure reliable connection.

The present disclosure also provides an electric toothbrush handle and an electric toothbrush head. Wherein, the electric toothbrush handle comprises a vibration shaft 100 for driving the brush body 200, the vibration shaft 100 is the vibration shaft of the above-mentioned connection structure; the electric toothbrush head includes a brush body 200 for being mounted to the vibration shaft 100, the brush body 200 being the above-described coupling structure. The electric toothbrush handle and the electric toothbrush head have all the advantages of the connection structure, and the detailed description is omitted.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (13)

1. A connecting structure of a vibration shaft and a toothbrush head comprises the vibration shaft (100) and the toothbrush head, wherein the toothbrush head comprises a brush body (200) connected with the vibration shaft (100), and is characterized in that one of the vibration shaft (100) and the brush body (200) is formed into a rod, and the other is formed into a barrel part sleeved outside the rod;

the open end of a barrel spare is formed with axially extending's breach (310), be formed with on the outer peripheral face of member and stretch into first direction muscle (410) of breach (310), a barrel spare with the member passes through breach (310) with first direction muscle (410) joint each other.

2. The connecting structure according to claim 1, wherein the notch (310) is formed with a laterally recessed catching groove (311), and the first guiding rib (410) is formed with a laterally protruding catching block (411) capable of catching in the catching groove (311).

3. The connecting structure according to claim 2, wherein the catching block (411) is formed on both sides of the first guiding rib (410), and the catching groove (311) engaged with the catching block (411) is formed on both sides of the notch (310).

4. The connecting structure according to claim 2, wherein the latching block (411) is formed on both sides of the first guiding rib (410), and the latching groove (311) engaged with one of the latching blocks (411) is formed on one side of the notch (310).

5. The connecting structure according to claim 4, wherein one of the two catching blocks (411) which is fitted with the catching groove (311) has a lateral protruding distance greater than that of the other one.

6. The connection according to claim 1, wherein an end of the first guide rib (410) protruding into the bottom of the notch (310) is configured in a circular arc shape.

7. The connection according to claim 1, wherein the opening of the notch (310) is configured as a taper with a width that tapers from the outside to the inside.

8. A connection according to any of claims 1 to 7, wherein said barrel is of resilient material.

9. A coupling structure according to any one of claims 1 to 7, wherein an axially extending guide groove (320) is provided in an inner wall of the cylinder, and a second guide rib (420) capable of protruding into the guide groove (320) is formed on an outer peripheral surface of the rod.

10. The connecting structure according to claim 9, wherein the second guide rib (420) includes a plurality of circumferentially arranged, and the guide groove (320) includes a plurality of one-to-one corresponding to the second guide rib (420).

11. An electric toothbrush handle comprising a vibration shaft (100) for driving a brush body (200), characterized in that the vibration shaft (100) is a vibration shaft of the connection structure according to any one of claims 1 to 10.

12. An electric toothbrush brushhead comprising a brush body (200) for mounting to a vibratory shaft (100), characterised in that the brush body (200) is a connection according to any one of claims 1 to 10.

13. A power toothbrush comprising a vibratory shaft to brushhead attachment structure according to any one of claims 1 to 10.

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