CN216933570U

CN216933570U - Electric toothbrush head and electric toothbrush

Info

Publication number: CN216933570U
Application number: CN202220234701.1U
Authority: CN
Inventors: 黄向宇
Original assignee: Shenzhen Evode Technology Co ltd
Current assignee: Shenzhen Evode Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-12
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to the technical field of toothbrushes, and discloses an electric toothbrush head which comprises a toothbrush head and a toothbrush handle, wherein a transmission part is arranged in the toothbrush handle, a longitudinal through hole is formed in the front end of the transmission part, the toothbrush head is movably connected with the transmission part through a T-shaped part, and a longitudinal rod of the T-shaped part penetrates through the longitudinal through hole; the brush head comprises a connecting table, a first rotating hole is formed in the middle of the connecting table, a first rotating shaft is arranged at the front end of the brush handle, and the first rotating shaft penetrates through the first rotating hole; the edge of the connecting table is provided with an eccentric hole, and the transverse rod penetrates through the eccentric hole; the middle part of the side wall of the connecting table, which is close to the eccentric hole, is provided with a first limiting groove, and the two ends of the first limiting groove limit the deflection angle of the longitudinal rod. The T-shaped piece is movably connected with the brush head and the transmission piece in the brush handle, so that the brush head and the transmission piece are not easy to wear and deviate, and the reliability is good; the two ends of the first limiting groove of the brush head connecting table limit the rotating angle of the T-shaped piece, so that the rotating angle of the brush head relative to the brush handle is limited, the integral structure is simple, and the reliability is good.

Description

Electric toothbrush head and electric toothbrush

Technical Field

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

Background

Toothbrushes are appliances for cleaning teeth, and toothbrushes on the market mainly include manually operated toothbrushes and electric toothbrushes, wherein, compared with manually operated toothbrushes, electric toothbrushes can clean teeth more thoroughly, remove dental plaque, reduce gingivitis and gingival bleeding, and are more labor-saving and convenient to use, thus being popular among people. The electric toothbrush generally includes a toothbrush body and an electric toothbrush head, the toothbrush body does not need to be replaced basically, and the electric toothbrush head is worn and needs to be replaced frequently to keep cleanness and sanitation and achieve good cleaning effect.

At present, the electric toothbrush heads in the market are complex in structure, poor in reliability of a connecting structure and prone to failure, so that the electric toothbrush heads are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric toothbrush head and an electric toothbrush, and aims to solve the problem that the reliability of a connection structure of the electric toothbrush head is poor in the prior art.

The electric toothbrush head comprises a toothbrush head and a toothbrush handle, wherein a transmission part is arranged in the toothbrush handle, a longitudinal through hole is formed in the front end of the transmission part, the toothbrush head is movably connected with the transmission part through a T-shaped part, the T-shaped part comprises a longitudinal rod and a transverse rod, the longitudinal rod is perpendicular to the transverse rod, one end of the longitudinal rod is fixedly connected to the middle part of the transverse rod, and the longitudinal rod penetrates through the longitudinal through hole;

the brush head comprises a connecting table, a first rotating hole is formed in the middle of the connecting table, a first rotating shaft is arranged at the front end of the brush handle, and the first rotating shaft penetrates through the first rotating hole; the edge of the connecting table is provided with an eccentric hole, and the transverse rod penetrates through the eccentric hole; and a first limiting groove is arranged at the position, close to the eccentric hole, in the middle of the side wall of the connecting table, and two ends of the first limiting groove limit the deflection angle of the longitudinal rod.

Optionally, a protruding portion is arranged on the inner side wall of the front end of the brush handle, and a second rotating hole is formed in the protruding portion; the front end of the transmission part is fixedly connected with a second rotating shaft, the second rotating shaft and the longitudinal rod are arranged in parallel, and the second rotating shaft penetrates through the second rotating hole.

Optionally, the rear end of the transmission member is provided with an insertion hole, the inner side wall of the inner end of the insertion hole is provided with a limiting table, the limiting table is provided with a limiting surface, and the limiting surface is arranged along the insertion direction of the insertion hole.

Optionally, the rear end of the transmission part is provided with a locking structure, and the locking structure is arranged opposite to the limiting surface.

Optionally, the locking structure includes an n-shaped groove and a locking section, the n-shaped groove is disposed on a side wall of the rear end of the transmission member, the locking section is an extension portion of the side wall of the transmission member located in the n-shaped groove, the rear end of the locking section is fixedly connected to the side wall of the transmission member, and the front end of the locking section is arranged in an empty position; and a transverse protruding part is arranged on one side of the locking section, which faces the limiting surface.

Optionally, the brush holder still includes solid fixed ring, gu fixed ring cover is established the rear end of brush holder, gu fixed ring's the inner withstands the rear end of driving medium.

Optionally, a second limiting groove is formed in the side wall of the connecting table, and the second limiting groove and the first limiting groove are arranged in opposite directions.

Optionally, the front end of the brush handle is provided with a pin hole, a pin penetrates through the pin hole, and the inner end of the pin is arranged in the second limiting groove in a hollow mode.

Optionally, a plurality of groups of bristles are arranged on the brush head, and the bristles are arranged on the brush face in a manner that the middle is low and the two sides are high.

An electric toothbrush comprises a driving part and an electric toothbrush head, wherein the driving part is inserted at the rear end of the driving part.

Compared with the prior art, the electric toothbrush head provided by the utility model has the advantages that the T-shaped piece is movably connected with the toothbrush head and the transmission piece in the toothbrush handle, so that the electric toothbrush head is not easy to wear and deviate, and the reliability is better; the two ends of the first limiting groove of the brush head connecting table limit the rotating angle of the T-shaped piece, so that the rotating angle of the brush head relative to the brush handle is limited, the integral structure is simple, and the reliability is good.

Drawings

FIG. 1 is a perspective view of the powered toothbrush head provided by the present invention;

figure 2 is a side elevational schematic view of a head of the powered toothbrush head provided by the present invention;

figure 3 is a rear schematic view of a head of the powered toothbrush head provided by the present invention;

figure 4 is a schematic view of a tee-shaped member of the powered toothbrush head provided by the present invention;

figure 5 is a schematic view of the drive components of the powered toothbrush head provided by the present invention.

Description of the reference numerals:

100-brush head, 110-connecting table, 111-first rotating hole, 112-eccentric hole, 113-first limiting groove, 114-second limiting groove and 120-brush hair;

200-a brush handle, 210-a transmission piece, 211-a second rotating shaft, 212-a longitudinal through hole, 213-an II-shaped groove, 214-a locking section, 215-a transverse protrusion part, 216-a pin hole and 217-a fixing ring;

300-T-piece, 310-transverse bar, 320-longitudinal bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-5, preferred embodiments of the present invention are shown.

The electric toothbrush head comprises a toothbrush head 100 and a toothbrush handle 200, wherein a transmission piece 210 is arranged in the toothbrush handle 200, a longitudinal through hole 212 is formed in the front end of the transmission piece 210, the toothbrush head 100 is movably connected with the transmission piece 210 through a T-shaped piece 300, the T-shaped piece 300 comprises a longitudinal rod 320 and a transverse rod 310, the longitudinal rod 320 is perpendicular to the transverse rod 310, one end of the longitudinal rod 320 is fixedly connected to the middle of the transverse rod 310, and the longitudinal rod 320 penetrates through the longitudinal through hole 212;

the brush head 100 comprises a connecting table 110, a first rotating hole 111 is arranged in the middle of the connecting table 110, a first rotating shaft is arranged at the front end of the brush handle 200, and the first rotating shaft penetrates through the first rotating hole 111; the edge of the connecting table 110 is provided with an eccentric hole 112, and the transverse rod 310 is arranged through the eccentric hole 112; a first limiting groove 113 is formed at a position near the eccentric hole 112 in the middle of the sidewall of the connecting table 110, and both ends of the first limiting groove 113 limit the deflection angle of the longitudinal rod 320.

The electric toothbrush head provided by the embodiment is movably connected with the toothbrush head 100 and the transmission piece 210 in the toothbrush handle 200 through the T-shaped piece 300, so that the electric toothbrush head is not easy to wear and deviate and has better reliability; the two ends of the first limit groove 113 of the connecting table 110 of the brush head 100 limit the rotating angle of the T-shaped piece 300, and the rotating angle of the brush head 100 relative to the brush handle 200 is also limited, so that the integral structure is simple, and the reliability is good.

Wherein the T-piece 300 may be a metal rod integrally formed, or one end of the longitudinal rod 320 is welded to the middle of the transverse rod 310. The tee 300 can be made of stainless steel, copper and other metal materials, wherein stainless steel has good rigidity and is not easy to rust, and the tee 300 is a good choice for making.

Specifically, a convex part is arranged on the inner side wall of the front end of the brush handle 200, and a second rotating hole is arranged on the convex part; the front end of the transmission member 210 is fixedly connected with a second rotating shaft 211, the second rotating shaft 211 and the longitudinal rod 320 are arranged in parallel, the second rotating shaft 211 and the longitudinal rod are separated by a certain distance, and the second rotating shaft 211 penetrates through a second rotating hole. The second rotation axis 211 and the longitudinal bar 320 may be arranged in parallel.

The first and second rotating shafts 211 may be made of a metal material such as stainless steel, copper, or the like.

When the transmission member 210 is driven to rotate, the transmission member 210 rotates around the second rotation axis 211, so as to drive the longitudinal rod 320 of the T-shaped member 300 to swing back and forth relative to the first limiting groove 113, i.e. drive the brush head 100 to rotate back and forth relative to the brush handle 200.

The rear end of the transmission member 210 is provided with an insertion hole, the inner side wall of the inner end of the insertion hole is provided with a limiting table, the limiting table is provided with a limiting surface, and the limiting surface is arranged along the insertion direction of the insertion hole.

The arrangement of the limiting table enables the transmission member 210 and the driving member inserted in the insertion hole not to deflect, and the transmission member 210 can be well driven. The limiting surface is in surface contact with the driving piece, so that the whole transmission effect is reliable.

The rear end of the transmission member 210 is further provided with a locking structure, and the locking structure and the limiting surface are arranged oppositely.

Specifically, the locking structure comprises an n-shaped groove 213 and a locking section 214, the n-shaped groove 213 is disposed on a side wall of the rear end of the transmission member 210, the locking section 214 is an extension portion of the side wall of the transmission member 210 located in the n-shaped groove 213, the rear end of the locking section 214 is fixedly connected to the side wall of the transmission member 210, and the front end of the locking section 214 is arranged in a vacant manner; a lateral projection 215 is provided on the locking section 214 on the side facing the stop surface.

When the driving member is inserted into the plugging hole, due to the existence of the n-shaped groove 213, the plugging is convenient, and a certain fault-tolerant space is provided; the transverse projection 215 of the locking segment 214 is designed to engage in the transverse groove of the drive element, so that the connection between the drive element and the transmission element 210 is advantageously achieved. Because the front end of the locking section 214 is arranged in a vacant way, the whole locking section 214 is similar to an elastic structural member, which is beneficial to the assembly between the driving member and the transmission member 210 and is convenient for replacing the electric toothbrush head.

The brush holder 200 further comprises a fixing ring 217, the fixing ring 217 is sleeved at the rear end of the brush holder 200, and the inner end of the fixing ring 217 abuts against the rear end of the transmission member 210. So that the transmission member 210 does not move longitudinally along the brush handle 200, thereby avoiding affecting the overall transmission effect.

Specifically, a second limiting groove 114 is arranged on the side wall of the connecting table 110 of the brush head 100, and the second limiting groove 114 and the first limiting groove 113 are arranged in opposite directions.

The front end of the brush handle 200 is provided with a pin hole 216, a pin is arranged in the pin hole 216, and the inner end of the pin is arranged in the second limit groove 114 in a hollow way. The assembly of the brush head 100 is facilitated, the brush head 100 can rotate relative to the brush holder 200, and the brush head 100 is not easy to separate from the brush holder 200 due to high-frequency back-and-forth rotation and vibration, so that the overall reliability is better.

Specifically, the brush head 100 is provided with a plurality of groups of bristles 120, and the plurality of groups of bristles 120 are arranged on the brush surface in a manner that the middle is lower and the two sides are higher. On one hand, the brush face with the lower middle and the higher two sides can better adapt to the tooth layout of a user, and on the other hand, when the brush head 100 rotates and vibrates back and forth at a high frequency, the cleaning effect of the brush hair structure is better, and gaps between adjacent teeth can be better cleaned.

An electric toothbrush comprises a driving part and the electric toothbrush head in the above embodiments, wherein the driving part is inserted at the rear end of a transmission part 210.

The electric toothbrush also comprises a toothbrush main body, wherein a motor is arranged in the toothbrush main body, and the motor drives the driving part to rotate. The inside of the toothbrush main body is provided with a battery for supplying power to the motor. The toothbrush main body is provided with a holding part which is provided with anti-slip stripes, so that the toothbrush main body is convenient to hold. The toothbrush main body is also provided with a power switch and a mode switching button, and the power switch is used for turning on or off the power supply of the electric toothbrush; the mode switching button can switch the working mode of the electric toothbrush, such as a vibration mode, a toothbrush head back and forth rotation mode and the like.

Preferably, the battery in the toothbrush body is a rechargeable battery, and a lithium battery can be adopted. The toothbrush main body is provided with a charging interface for charging a rechargeable battery.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The electric toothbrush head is characterized by comprising a toothbrush head and a toothbrush handle, wherein a transmission part is arranged in the toothbrush handle, a longitudinal through hole is formed in the front end of the transmission part, the toothbrush head is movably connected with the transmission part through a T-shaped part, the T-shaped part comprises a longitudinal rod and a transverse rod, the longitudinal rod is perpendicular to the transverse rod, one end of the longitudinal rod is fixedly connected to the middle part of the transverse rod, and the longitudinal rod penetrates through the longitudinal through hole;

2. The powered toothbrush head of claim 1 wherein a raised portion is provided on the inner side wall of the front end of the handle, the raised portion having a second rotational aperture; the front end fixedly connected with second rotation axis of driving medium, the second rotation axis with longitudinal rod is and arranges side by side, the second rotation axis wears to locate the second rotates the hole.

3. The electric toothbrush head of claim 2, wherein the rear end of the transmission member is provided with an insertion hole, an inner side wall of an inner end of the insertion hole is provided with a limiting table, the limiting table is provided with a limiting surface, and the limiting surface is arranged along an insertion direction of the insertion hole.

4. The powered toothbrush head of claim 3, wherein the rear end of the drive member is provided with a locking structure, the locking structure being disposed opposite the retaining surface.

5. The powered toothbrush head of claim 4 wherein the locking structure comprises an II-shaped slot in a side wall of the rear end of the driving member and a locking section, the locking section being an extension of the side wall of the driving member in the II-shaped slot, the rear end of the locking section being fixedly connected to the side wall of the driving member, the front end of the locking section being disposed in an empty position; and a transverse protruding part is arranged on one side of the locking section, which faces the limiting surface.

6. The powered toothbrush head of claim 5 wherein the handle further includes a retaining ring disposed about the rear end of the handle, the inner end of the retaining ring abutting the rear end of the drive member.

7. An electric toothbrush head according to any one of claims 1 to 6 characterised in that the side wall of the connecting station is provided with a second retaining recess which is disposed opposite to the first retaining recess.

8. The powered toothbrush head of claim 7 wherein the front end of the handle has a pin hole, a pin passing through the pin hole, the inner end of the pin being disposed within the second retaining groove.

9. An electrically driven toothbrush head according to claim 8 wherein a plurality of groups of bristles are provided on the head, the groups of bristles being arranged on the brush face with a lower middle and two higher sides.

10. An electric toothbrush comprising a drive member and an electric toothbrush head according to any one of claims 1 to 9, the drive member being interposed at a rear end of the drive member.