CN209966622U - Brush head and electric toothbrush - Google Patents
Brush head and electric toothbrush Download PDFInfo
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- CN209966622U CN209966622U CN201920344411.0U CN201920344411U CN209966622U CN 209966622 U CN209966622 U CN 209966622U CN 201920344411 U CN201920344411 U CN 201920344411U CN 209966622 U CN209966622 U CN 209966622U
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Abstract
The utility model provides a brush head and an electric toothbrush, wherein the brush head comprises a body, a connecting rod and a brush bristle bundle, the body is arranged at the upper end of the connecting rod, the lower end of the connecting rod is connected with a driving mechanism, and the brush bristle bundle is arranged at the front of the body; the body and the connecting rod are coaxially arranged; the body is the stereoplasm body, the connecting rod is the stereoplasm connecting rod, the body with still the cover is equipped with soft cushion collar outside the connecting rod. Compared with the prior art, the beneficial effects of the technical scheme are that: on one hand, the body and the connecting rod are coaxially arranged, so that the body and the connecting rod only can rotate in a reciprocating manner in the circumferential direction without violent swinging, and the damage to the oral cavity caused by the impact of the body can be prevented; on the other hand, realize rotating through the body and the connecting rod of stereoplasm, still the cover is equipped with soft cushion collar outside body and connecting rod, cushions through soft cushion collar, further prevents that user's oral cavity is impaired.
Description
Technical Field
The utility model relates to an oral care equipment and consumer electronics technical field relate to a brush head and electric toothbrush, especially relate to a brush head for electric toothbrush.
Background
The electric toothbrush drives the brush head to generate high-frequency rotation in the horizontal direction through the vibrating motor, so that toothpaste is instantly decomposed into fine foam, the vibration of the bristles can promote the blood circulation in the oral cavity while the toothpaste is deeply cleaned, and the electric toothbrush has a massaging effect on gum tissues. The cleaning effect of the electric toothbrush is far better than that of the traditional toothbrush. Accordingly, electric toothbrushes have been increasingly used in recent years.
In the process of working of the electric toothbrush, the brush head can drive the brush bristles to swing, and meanwhile, the body of the brush head can also swing violently, and the swing of the brush head body can cause the risk of damaging the oral cavity of a user, so that the industry needs to solve the problem of how to prevent the oral cavity of the user from being damaged while realizing oral cavity cleaning.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that, to the above-mentioned defect of prior art, a brush head is provided, not only can realize that the oral cavity is clean, can also prevent that user's oral cavity is impaired.
The utility model provides a technical scheme that technical problem adopted as follows:
a brush head comprises a body, a connecting rod and bristle bundles, wherein the body is arranged at the upper end of the connecting rod, the lower end of the connecting rod is connected with a driving mechanism, and the bristle bundles are arranged on the front surface of the body; the body and the connecting rod are coaxially arranged; the body is the stereoplasm body, the connecting rod is the stereoplasm connecting rod, the body with still the cover is equipped with soft cushion collar outside the connecting rod.
Compared with the prior art, the beneficial effects of the technical scheme are that: on one hand, the body and the connecting rod are coaxially arranged, so that the body and the connecting rod only can rotate in a reciprocating manner in the circumferential direction without violent swinging, and the damage to the oral cavity caused by the impact of the body can be prevented; on the other hand, realize rotating through the body and the connecting rod of stereoplasm, still the cover is equipped with soft cushion collar outside body and connecting rod, cushions through soft cushion collar, further prevents that user's oral cavity is impaired.
Further, the back of body is provided with the protruding piece of a plurality of location, be provided with a plurality of positioning hole on the soft buffer cover, the protruding piece of location is located in the positioning hole, the protruding piece of location with the positioning hole one-to-one.
The beneficial effect who adopts above-mentioned scheme is: when the soft cushion collar of body and connecting rod outer through the soft cushion collar of mould shaping, fix the body on the mould through the protruding piece in location, prevent to break away from the mould at the in-process body of the soft cushion collar of shaping, improve the production yield.
Furthermore, a front through hole is formed in the soft buffer sleeve, and the front of the body is located in the front through hole.
The beneficial effect who adopts above-mentioned scheme is: only two big through-holes have been seted up on soft cushion collar, one is the positive through-hole that is used for exposing the body, one is the through-hole that soft cushion collar lower extreme and actuating mechanism link to each other, and the other places all surround the setting outside the body and the connecting rod of stereoplasm, prevent comprehensively that the user's oral cavity is impaired.
Furthermore, a plurality of protrusions are arranged on the outer side surface of the soft buffer sleeve, and the tongue coating brush is composed of the plurality of protrusions.
The beneficial effect who adopts above-mentioned scheme is: the tongue coating brush composed of a plurality of convex parts cleans the tongue coating and improves the oral cleaning effect.
Further, the front surface of the body is provided with a plurality of bristle implanting grooves, and the bristle bundles are arranged in the bristle implanting grooves.
The beneficial effect who adopts above-mentioned scheme is: set up a plurality of brush hair bundles through planting the hair groove, compare and directly evenly set up a brush hair in the front of body, the processing procedure is simpler.
Further, the lower end of the connecting rod is provided with a step-shaped connecting socket, and the connecting rod is connected with the driving mechanism through the connecting socket.
The beneficial effect who adopts above-mentioned scheme is: the effective output of moment can be guaranteed through step-like connection socket, if the connection socket is round, the phenomenon of skidding just probably appears, can not guarantee the effective output of moment.
Further, be provided with the buckle arm on the connection socket, the stiff end setting of buckle arm is in on the connecting rod, be provided with a fixture block on the activity end of buckle arm, be provided with the gliding periphery circular arc of being convenient for on the fixture block.
The beneficial effect who adopts above-mentioned scheme is: can realize that the brush head is connected with the driving mechanism and is convenient to disassemble.
Further, the body is of an elliptical structure.
The beneficial effect who adopts above-mentioned scheme is: the oval structure has no edge angle on the whole, and the oral cavity of a user is prevented from being scratched.
Furthermore, the lower end of the soft buffer sleeve is provided with a waterproof skirt sleeve, and the waterproof skirt sleeve extends out of the lower end of the connecting rod.
The beneficial effect who adopts above-mentioned scheme is: during use, water is prevented from entering from the gap between the brush head and the drive mechanism, causing malfunction.
Further, the body and the connecting rod are of an integrally formed structure.
The beneficial effect who adopts above-mentioned scheme is: the whole structure is simpler.
Drawings
Fig. 1 is an overall schematic view of a brush head of the present invention.
Fig. 2 is an exploded view of a brush head according to the present invention.
FIG. 3 is a schematic view of a prior art body and connecting rod.
Fig. 4 is a cross-sectional view of a brush head of the present invention.
Fig. 5 is a schematic view of a positioning protrusion block in a brush head of the present invention.
Fig. 6 is a schematic view of a driving motor matched with the brush head of the present invention.
In the figures, the list of components represented by the various reference numbers is as follows:
the brush body comprises a body 1, a connecting rod 2, a brush bristle bundle 3, a soft buffer sleeve 4, a positioning bulge block 5, a tongue fur brush 6, a bristle planting groove 7, a connecting socket 8 and a vibration motor 9;
a front through hole 41 and a waterproof skirt cover 42;
a latch arm 81, a latch 82;
a rotor 91, a stator 92;
a first S-pole magnet 911, a first N-pole magnet 912, a second N-pole magnet 913, and a second S-pole magnet 914;
a first separating groove 921, a first winding arm 922, a first sensing arm 923, a second separating groove 924, a second winding arm 925, and a second sensing arm 926.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
As shown in fig. 1 and 2, a brush head comprises a body 1, a connecting rod 2 and bristle bundles 3, wherein the body 1 is arranged at the upper end of the connecting rod 2, the lower end of the connecting rod 2 is connected with a driving mechanism, and the bristle bundles 3 are arranged on the front surface of the body 1. Specifically, body 1 and connecting rod 2 can be mutually independent structure, also can be the integrated into one piece structure the utility model discloses in, body 1 with connecting rod 2 is preferred integrated into one piece structure.
The driving mechanism is used for driving the body 1 and the connecting rod 2. The body 1 can drive the bristle bundle 3 to swing left and right in the rotating process, and a user only needs to hold the electric toothbrush by hand and adjust the position according to actual conditions, so that the bristle bundle 3 on the brush head can brush teeth through left and right high-frequency swing, and the function of cleaning the oral cavity is realized. Wherein, actuating mechanism is vibrating motor 9's rotation axis, and the lower extreme of connecting rod 2 is inserted to vibrating motor 9's rotation axis, when vibrating motor 9's rotation axis bilateral rotation, can drive body 1 and connecting rod 2 bilateral rotation naturally.
In the working process of the electric toothbrush, the swinging of the bristles is necessary action, while the swinging of the body 1 is unnecessary action, but because the bristle bundle 3 is arranged on the body 1, the swinging of the bristles can be driven by the movement of the body 1.
As shown in figure 3, the body 1 and the connecting rod 2 of the prior art brush head are not coaxially arranged for aesthetic and structural mechanical considerations. In such a brush head, when the driving mechanism is rotated reciprocally, the connecting rod 2 is also rotated reciprocally with the driving mechanism, and since the body 1 and the connecting rod 2 are not coaxially disposed, the rotational axis of the body 1 and the structural axis thereof do not coincide with each other. As shown in fig. 3, the rotation axis of the body 1 is aligned with the rotation axis of the connecting rod 2, and the axis of the body 1 is located on the left side of the rotation axis. Therefore, in the working process of the electric toothbrush, the body 1 can swing out in a large range, and the risk of damaging the oral cavity exists.
It should be noted that the swing and rotation are different: when the body swings, the body can reciprocate in a larger space, and a fan-shaped area is formed on the space by the motion track, so that the body is easy to collide the inside of the oral cavity to cause damage; when the body rotates, the body does not need extra movement space, but only rotates in a reciprocating manner based on the structure of the body, so that the body is not easy to collide the inside of the oral cavity to cause damage.
The improvement point of the utility model is that in the brush head of the utility model, the body 1 and the connecting rod 2 are coaxially arranged, namely, the axis of the body 1 and the axis of the connecting rod 2 are on a straight line. Based on the utility model discloses a brush head, when actuating mechanism drove body 1 and connecting rod 2 motion, the axis of rotation of body 1 and connecting rod 2 and structural axis coincidence thereof, therefore body 1 and connecting rod 2 only need do reciprocating rotation alright drive the swing of brush hair bundle 3, realize the clean function in oral cavity. And because the body 1 does not need to generate violent swing, the damage of the oral cavity caused by the impact of the body 1 can be effectively prevented.
In order to achieve a better transmission effect, the body 1 is a hard body, and the connecting rod 2 is a hard connecting rod. A hard construction can on the one hand provide a better transmission effect, but on the other hand introduce a risk of the oral cavity being damaged. Correspondingly, the utility model discloses an improvement point lies in, body 1 with connecting rod 2 still overlaps outward and is equipped with soft cushion collar 4. Even if the body 1 is contacted with the oral cavity due to careless operation of the user, the soft buffer sleeve 4 can play a buffer role to prevent the oral cavity of the user from being damaged.
The vibration motor 9 further includes a rotor 91 and a stator 92, the rotating shaft is disposed in the rotor 91, and the rotor 91 is movably sleeved in the stator 92. During the operation of the vibration motor 9, the stator 92 generates a magnetic force to drive the rotor 91 to rotate in the stator 92, and the rotor 91 drives the rotating shaft to rotate together during the rotation.
In order to generate magnetic force, a first magnetic module and a second magnetic module are arranged in the stator 92, the first magnetic module and the second magnetic module are oppositely arranged, and coils are arranged on the first magnetic module and the second magnetic module. According to the ampere rule, the electrified conductor can generate a magnetic field, and when alternating current is changed on the coil, the first magnetic module and the second magnetic module can alternately generate magnetic fields in different directions, so that the rotor can be driven to rotate in a reciprocating mode.
The first magnetic module comprises a first winding arm 922 and a first induction arm 923, and the coil is wound on the first winding arm 922; one end of the first winding arm 922 is disposed on the inner wall of the stator 92, the other end of the first winding arm 922 is connected to the middle of the first sensing arm 923, and the first winding arm 922 and the first sensing arm 923 form a T-shaped structure; the second magnetic module comprises a second winding arm 925 and a second induction arm 926, and the coil is wound on the second winding arm 925; one end of the second winding arm 925 is disposed on the inner wall of the stator 92, the other end of the second winding arm 925 is connected to the middle of the second sensing arm 926, and the second winding arm 925 and the second sensing arm 926 form a T-shaped structure.
When the coils wound on the first and second winding arms 922 and 925 are energized, the coils magnetize the first and second magnetic modules according to ampere's rule, and the first and second induction arms 923 and 926 generate corresponding magnetic fields. Because be provided with the magnet piece that corresponds on the rotor 91, if in proper order around being provided with first S utmost point magnet 911, first N utmost point magnet 912, second N utmost point magnet 913 and second S utmost point magnet 914 on the outer wall of rotor 91, first S utmost point magnet 911 with first N utmost point magnet 912 is located and is close to the one side of first magnetism module, second S utmost point magnet 914 with second N utmost point magnet 913 is located and is close to the one side of second magnetism module after first response arm 923 and second response arm 926 produced the magnetic field, can produce appeal or repulsion force to rotor 91 to realize the reciprocating swing of rotor 91. The first S-pole magnet 911, the first N-pole magnet 912, the second N-pole magnet 913, and the second S-pole magnet 914 are not unipolar magnets, but are common magnets with their magnetic sides exposed.
As shown in fig. 6, in order to provide a well-defined magnetic force to the rotor 91, the first separation groove 921 is disposed on the first sensing arm 923 along the up-down direction, and the first sensing arm 923 forms the first sensing pole and the second sensing pole on two sides of the first separation groove 921; the second separation groove 924 is disposed on the second sensing arm 926 in an up-down direction, and the second sensing arm 926 forms the third sensing pole and the fourth sensing pole on two sides of the second separation groove 924.
Generally, during the operation of the motor, the rotor 91 is mainly driven to rotate by the magnetic force generated by the two ends of the first magnetic module and the two ends of the second magnetic module. In the prior art, the first magnetic module is only provided with the first winding arm 922 and the first sensing arm 923 without the first separation groove 921, and the second magnetic module is only provided with the second winding arm 925 and the second sensing arm 926 without the second separation groove 924, so that the first magnetic module is a large sensing pole as a whole, and the second magnetic module is a large sensing pole as a whole. In the motor of the prior art, the magnetic force generated in the middle of the first sensing arm 923 and the second sensing arm 926 is generated in addition to the two ends, and after the magnetic force generated in the middle acts on the rotor 91, the rotor 91 is subjected to the magnetic force except the two ends, so that the direction of the magnetic force applied to the rotor 91 becomes unclear, which is not beneficial to the reciprocating motion of the rotor 91. Therefore, the conventional vibration motor 9 needs a return spring to perform the reciprocating motion.
As shown in fig. 6, different from the prior art, in the utility model discloses in, in order to make rotor 91 receive the definite magnetic force of direction, be provided with first separation recess 921 in the middle part position of first response arm 923, be provided with second separation recess 924 in the middle part position of second response arm 926, first magnetism module forms mutually independent first induction pole and second induction pole through first separation recess 921, second magnetism module forms mutually independent third induction pole and fourth induction pole through second separation recess 924, and thus, because the middle part has been dug out and has been formed the recess, just can not be magnetized and produce magnetic force this moment, therefore rotor 91 just can receive the magnetic force at first magnetism module and second magnetism module both ends, and can not receive the magnetic force from the middle part. For example, when the first magnetic module is N-pole at a certain time, the first sensing pole generates an attractive force to the first S-pole magnet 911, and the second sensing pole generates a repulsive force to the first N-pole magnet 912, so that the first magnetic module drives the rotor 91 to rotate counterclockwise. In this process, since the first separating groove 921 is formed between the first inductive pole and the second inductive pole, a magnetic force disturbing the force applied to the rotor 91 is not generated. Through being provided with first partition groove 921 and second partition groove 924, not only can provide magnetic force and realize the reciprocal swing of rotor 91, still make the produced magnetic force direction of first magnetism module and second magnetism module more clear and definite, and need not set up reset spring and can realize traditional reset spring's reset function. Because the reset spring is not arranged, the vibration motor 9 can realize the swing of a larger amplitude, can drive the whole brush head to work with a larger swing amplitude, improves the cleaning effect, can also completely eliminate the noise, and improves the user experience.
The utility model discloses in, body 1 and connecting rod 2 are the integrated into one piece structure, and soft cushion collar 4 passes through the mould setting outside body 1 and connecting rod 2. As shown in fig. 5, preferably, the back surface of the body 1 is provided with a plurality of positioning protrusions 5, the soft buffer sleeve 4 is provided with a plurality of positioning through holes, the positioning protrusions 5 are located in the positioning through holes, and the positioning protrusions 5 correspond to the positioning through holes one to one.
When the soft buffer sleeve is manufactured, the body 1 and the connecting rod 2 are placed in a die of the soft buffer sleeve 4, and the body 1 and the connecting rod 2 are fixed in the die through the positioning convex block 5 on the back of the body 1; then, injecting materials into the die, and forming a soft buffer sleeve 4 outside the body 1 and the connecting rod 2 after the injected materials are molded. Due to the existence of the positioning convex blocks 5, positioning through holes corresponding to the positioning convex blocks 5 one to one are inevitably formed on the soft buffer sleeve 4. The positioning protrusion block 5 has the advantages that the body 1 is fixed in the mold, the body 1 is prevented from being separated from the original position due to scouring in the process of injecting materials into the mold, the product quality is guaranteed, and the yield is improved.
As shown in fig. 2, a front through hole 41 is formed in the soft buffer sleeve 4, and the front surface of the body 1 is located in the front through hole 41. Except for the positioning through hole, only two large through holes are formed in the soft buffer sleeve 4, one is a front through hole 41 used for exposing the front surface of the body 1, the other is a through hole for connecting the lower end of the soft buffer sleeve 4 with the driving mechanism, and the other places are all surrounded and arranged outside the hard body 1 and the connecting rod 2, so that the oral cavity of a user is comprehensively prevented from being damaged. The position of the front through hole 41 corresponds to the position of the front of the body 1, so that the front of the body 1 is exposed to the outside, and hair planting is facilitated.
As shown in fig. 1, 2 and 4, the outer surface of the soft cushion cover 4 is provided with a plurality of protrusions, and the tongue coating brush 6 is composed of the plurality of protrusions. The bundle of bristles 3 serves to clean teeth, and the fur brush 6 serves to clean fur. The tongue coating brush 6 consisting of the plurality of the convex parts is convenient for cleaning the tongue coating through the tongue coating brush 6 in the process of brushing teeth, and the oral cleaning effect is improved.
As shown in fig. 2, the front surface of the body 1 is provided with a plurality of bristle setting grooves 7, and the bristle bundles 3 are disposed in the bristle setting grooves 7. If the bristles are arranged on the body 1 one by one, a more complicated process is required; set up a plurality of brush hair bundles 3 through planting hair groove 7, compare and directly evenly set up a brush hair in the front of body 1, the processing procedure is simpler.
As shown in fig. 4, the lower end of the connecting rod 2 is provided with a stepped connection socket 8, the shape of the driving mechanism corresponds to the shape of the connection socket 8, and the connecting rod 2 is connected to the driving mechanism through the connection socket 8. Effective output of moment can be guaranteed through step-like connection socket 8, if connection socket 8 is the circle, the phenomenon of skidding just probably appears, can not guarantee effective output of moment.
Preferably, a fastening arm 81 is arranged on the connection socket 8, a fixed end of the fastening arm 81 is arranged on the connection rod 2, a clamping block 82 is arranged at a movable end of the fastening arm 81, and a peripheral arc convenient to slide is arranged on the clamping block 82. In the process of installing the brush head on the driving mechanism, the movable end of the buckle arm 81 is pressed and spread, when the driving mechanism completely extends into the connecting socket 8, the force loaded on the buckle arm 81 disappears, and the clamping block 82 on the buckle arm 81 is clamped into the groove on the driving mechanism; when the brush head and the driving mechanism need to be separated, the brush head and the driving mechanism are pulled towards two sides respectively by force, and the clamping block 82 slides out in the groove on the driving mechanism through the peripheral arc of the clamping block to finish the disassembly. Therefore, the arrangement can realize that the brush head is connected with the driving mechanism and is convenient to disassemble.
Preferably, the body 1 is an oval structure, and the oval structure has no corner on the whole, so as to prevent scratching the oral cavity of a user.
As shown in fig. 1 and 2, preferably, the lower end of the soft buffer sleeve 4 is provided with a waterproof skirt sleeve 42, and the waterproof skirt sleeve 42 extends out of the lower end of the connecting rod 2.
Specifically, in the utility model, the material of the body 1 and the connecting rod 2 is PC/ABS, and PC/ABS has the advantages of wear resistance, high hardness, good flexibility and the like; the soft buffer sleeve 4 is made of PPE, and the PPE has the advantages of environmental protection and no toxicity and is suitable for oral cavity cleaning.
In addition, the utility model discloses still provide an electric toothbrush, this electric toothbrush has above-mentioned brush head, can effectively prevent that user's oral cavity is impaired.
In summary, the utility model provides a brush head and an electric toothbrush, on one hand, because the body 1 and the connecting rod 2 are coaxially arranged, the body 1 and the connecting rod 2 only can rotate in a reciprocating way in the circumferential direction without generating violent swing, and the body 1 can be prevented from being impacted to cause the damage of the oral cavity; on the other hand, realize rotating through the body 1 and the connecting rod 2 of stereoplasm, still overlap and be equipped with soft buffer sleeve 4 outside body 1 and connecting rod 2, cushion through soft buffer sleeve 4, further prevent that user's oral cavity is impaired.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a brush head, includes body, connecting rod and brush hair bundle, the body sets up the upper end of connecting rod, the lower extreme of connecting rod links to each other with actuating mechanism, brush hair bundle set up in the front of body, its characterized in that: the body and the connecting rod are coaxially arranged; the body is the stereoplasm body, the connecting rod is the stereoplasm connecting rod, the body with still the cover is equipped with soft cushion collar outside the connecting rod.
2. A brushhead of claim 1, wherein: the back of body is provided with the protruding piece of a plurality of location, be provided with a plurality of positioning hole on the soft buffer cover, the protruding piece of location is located in the positioning hole, the protruding piece of location with positioning hole one-to-one.
3. A brushhead of claim 1, wherein: the soft buffer sleeve is provided with a front through hole, and the front of the body is positioned in the front through hole.
4. A brushhead of claim 1, wherein: the outer side surface of the soft buffer sleeve is provided with a plurality of protrusions which form the tongue fur brush.
5. A brushhead of claim 1, wherein: the front of body is provided with a plurality of bristle planting grooves, the bristle bundle sets up in the bristle planting groove.
6. A brushhead of claim 1, wherein: the lower end of the connecting rod is provided with a step-shaped connecting socket, and the connecting rod is connected with the driving mechanism through the connecting socket.
7. A brush head according to claim 6 wherein: the connecting socket is provided with a clamping arm, the fixed end of the clamping arm is arranged on the connecting rod, a clamping block is arranged at the movable end of the clamping arm, and a peripheral arc convenient to slide is arranged on the clamping block.
8. A brushhead of claim 1, wherein: the body is an elliptical structure.
9. A brushhead of claim 1, wherein: the lower end of the soft buffer sleeve is provided with a waterproof skirt sleeve, and the waterproof skirt sleeve extends out of the lower end of the connecting rod.
10. An electric toothbrush characterized by: comprising a brush head according to any one of claims 1-9.
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CN201920344411.0U CN209966622U (en) | 2019-03-19 | 2019-03-19 | Brush head and electric toothbrush |
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CN201920344411.0U CN209966622U (en) | 2019-03-19 | 2019-03-19 | Brush head and electric toothbrush |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113208761A (en) * | 2021-05-08 | 2021-08-06 | 广东小天才科技有限公司 | Main unit assembly and electric toothbrush |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113208761A (en) * | 2021-05-08 | 2021-08-06 | 广东小天才科技有限公司 | Main unit assembly and electric toothbrush |
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