CN210990867U - Electric tooth brush - Google Patents
Electric tooth brush Download PDFInfo
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- CN210990867U CN210990867U CN201921475051.4U CN201921475051U CN210990867U CN 210990867 U CN210990867 U CN 210990867U CN 201921475051 U CN201921475051 U CN 201921475051U CN 210990867 U CN210990867 U CN 210990867U
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Abstract
The utility model discloses an electric toothbrush, which comprises a brush head component, a shell, a core component and a control switch, wherein the core component and the control switch are arranged in the shell; the driving assembly is provided with a second supporting part and is rotatably arranged in the shell through the second supporting part; the control switch is used for controlling the driving component; the brush head assembly is connected to the driving assembly, and when the pressing force exceeds a preset value, the brush head assembly can drive the driving assembly to extrude the first supporting portion and enable the driving assembly to rotate around the second supporting portion so as to trigger the control switch. The utility model discloses an electric toothbrush can effectively avoid machining error and equipment clearance to the influence of forced induction.
Description
Technical Field
The utility model relates to the technical field of daily necessities, especially, relate to an electric toothbrush.
Background
The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, so as to decompose toothpaste into fine foam and deeply clean teeth gaps. When the pressure of the electric toothbrush is too small during the use process, the cleaning efficiency is low and the cleaning effect is poor. If the pressure of brushing teeth is too high, it is easy to damage the gum. Therefore, control of brushing pressure for electric toothbrushes is important.
Although the existing electric toothbrush is provided with a pressure sensing device to control the brushing pressure, the pressure sensing device is mostly in a single-fulcrum lever structure, and the pressure is transmitted to a control switch in a lever mode through the force of the brush head pressing on the teeth, so that an overvoltage protection program is started. And the inside spare part of electric toothbrush is more, and in the in-process of processing production, because reasons such as machining error and equipment clearance lead to lever structure's initial condition unstable easily to lead to the pressure value response inaccurate, the uniformity of product is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the electric toothbrush can effectively avoid the influence of machining errors and assembly gaps on pressure induction, and is favorable for improving the consistency of products.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an electric toothbrush, comprising:
a housing provided with an accommodating chamber;
the movement assembly is arranged in the accommodating cavity and comprises a driving assembly, a first support and a soft first support, the first support comprises a first support, and two opposite sides of the first support are respectively contacted with the first support and the driving assembly; the driving assembly is provided with a second supporting part and is rotatably arranged in the shell through the second supporting part;
the control switch is arranged in the accommodating cavity and used for controlling the driving assembly; and
the brush head assembly is connected with the driving assembly, and when the pressing force of the brush head assembly exceeds a preset value, the brush head assembly can drive the driving assembly to extrude the first supporting portion and enable the driving assembly to rotate around the second supporting portion so as to trigger the control switch.
Further, still include the axostylus axostyle, the axostylus axostyle is connected to the drive assembly, brush head subassembly detachable is connected in the axostylus axostyle.
The toothbrush further comprises a waterproof rubber sleeve, the accommodating cavity is provided with a cavity opening, one end of the shaft rod is connected with the driving assembly, and the other end of the shaft rod extends out of the accommodating cavity from the cavity opening and is connected with the toothbrush head assembly; the waterproof rubber sleeve is arranged at the cavity opening in a sealing mode and sleeved on the shaft rod.
Furthermore, the waterproof rubber sleeve further comprises a first elastic piece, wherein the first elastic piece is sleeved outside the waterproof rubber sleeve and used for tightly hooping the waterproof rubber sleeve on the shaft rod.
Further, still include the gland, the gland cover is located outside waterproof gum cover and the first elastic component, and be located brush first subassembly.
Furthermore, the first support is fixedly arranged in the accommodating cavity, and one end of the first support is positioned between the waterproof rubber sleeve and the first support piece.
Furthermore, the toothbrush further comprises a soft second supporting piece, wherein the first supporting piece is arranged at one end, close to the toothbrush head, of the driving assembly, and the second supporting piece is arranged at one end, far away from the toothbrush head, of the driving assembly.
The battery support is fixedly arranged in the accommodating cavity and comprises a slot; the driving assembly comprises a driving piece and a second bracket, and the driving piece is arranged in the second bracket; the second supporting piece comprises a third supporting portion and a fourth supporting portion which are connected, the third supporting portion is clamped between the driving piece and the second support, and the fourth supporting portion is inserted into the slot.
Furthermore, the battery support further comprises a second elastic piece, the second elastic piece is sleeved outside the third supporting portion, and two ends of the second elastic piece are respectively abutted to the second support and the battery support.
Furthermore, the second supporting part is cylindrical, and the shell is provided with a fixing groove for accommodating the second supporting part.
Furthermore, the number of the second supporting parts is two, and the two second supporting parts are coaxially arranged and are respectively positioned on two opposite sides of the driving assembly.
Further, the driving assembly comprises a triggering portion, and when the driving assembly rotates, the triggering portion can touch or pull the control switch, so that the control switch controls the driving assembly to reduce the rotating speed or stop rotating.
The alarm device is connected with the control switch and is used for sending out sound signals and/or light signals when the driving component triggers the control switch.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
the utility model discloses an electric toothbrush makes core assembly use the second supporting part to form lever structure as rotating the fulcrum, when the pressing force degree of brushing first subassembly surpassed the default, brushed first subassembly and can drive core assembly and rotate around the second supporting point with trigger control switch, and then make control switch adjust drive assembly's rotational speed in order to alleviate the pressing force degree of brushing first subassembly, effectively play the effect of protection gum. And simultaneously, the utility model discloses press from both sides between drive assembly and first support and establish soft first supporting part, make first supporting part as another fulcrum of lever structure, form double-fulcrum lever structure. Before the brush head assembly does not drive the driving assembly to rotate, the driving assembly is in a contact state with the first supporting part, and the first supporting part can support the driving assembly, so that the problem of unstable initial state caused by machining errors or assembly gaps and the like can be effectively solved, the accuracy of the initial state is ensured, and the consistency of pressure induction among products is ensured; when the pressing force of the brush head assembly exceeds the preset value, the brush head assembly drives the driving assembly to extrude the first supporting portion to deform, and meanwhile, the driving assembly can rotate to trigger the control switch. That is to say, the utility model discloses a first supporting part can enough guarantee the stability of electric toothbrush initial condition to ensure its forced induction's precision, can guarantee again that drive assembly is normal to rotate trigger function, moreover, soft first supporting part can provide the resilience force for drive assembly's return when resumeing deformation, resets with auxiliary drive assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
fig. 1 is a schematic view of an overall structure of an electric toothbrush according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a brush head assembly and a movement assembly of the electric toothbrush according to the embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of an electric toothbrush according to an embodiment of the present invention;
fig. 4 is an overall sectional view of the electric toothbrush according to the embodiment of the present invention;
FIG. 5 is an enlarged view of detail A of FIG. 4;
FIG. 6 is an enlarged schematic view of detail B of FIG. 4;
description of reference numerals:
1. an electric toothbrush;
10. a brush head assembly; 11. a brush head; 12. a connecting rod;
20. a housing; 21. fixing grooves;
30. a movement assembly; 31. a drive assembly; 311. a drive member; 312. a second bracket; 32. a first bracket; 321. a trigger section; 33. a first support member; 331. a first support section; 332. a support cylinder part; 34. a second support portion; 35. a shaft lever; 36. a waterproof rubber sleeve; 37. a first elastic member; 38. a gland; 39. a front support; 310. a battery holder; 320. a second support member; 3201. a third support portion; 3202. a fourth support portion; 330. a second elastic member;
40. a circuit board; 41. and controlling the switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides an electric toothbrush 1, the electric toothbrush 1 includes a brush head assembly 10, a casing 20, a core assembly 30 and a control switch 41, the casing 20 is provided with a containing cavity, and the core assembly 30 and the control switch 41 are both disposed in the containing cavity.
Specifically, as shown in fig. 4, the movement assembly 30 includes a driving assembly 31, a first support 32 and a first support 33, wherein the driving assembly 31 is connected to the brush head assembly 10 and is used for driving the brush head assembly 10 to vibrate. The first support member 33 is made of a soft material, which is capable of being elastically deformed. In the present embodiment, the first supporting member 33 is a silicone member, and in other embodiments, the first supporting member 33 may be a rubber member. The first supporting part 33 includes a first supporting part 331, opposite sides of the first supporting part 331 are respectively in contact with the first bracket 32 and the driving assembly 31, and the first supporting part 331 can support the driving assembly 31 in an initial state, so as to ensure stability of the initial state of the electric toothbrush 1. The driving assembly 31 is provided with a second supporting portion 34, and the driving assembly 31 is rotatably disposed in the housing 20 through the second supporting portion 34. When the pressing force of the brush head assembly 10 exceeds the preset value, the brush head assembly 10 can drive the driving assembly 31 to extrude the first supporting portion 331, so that the first supporting portion 331 is elastically deformed, meanwhile, the driving assembly 31 can rotate around the second supporting portion 34 to trigger the control switch 41, and the control switch 41 can control the rotating speed or the opening and closing state of the driving assembly 31.
As shown in fig. 3, the second supporting portion 34 is cylindrical, and the housing 20 is provided with a fixing groove 21 for receiving the second supporting portion 34. The rotation center of the driving assembly 31 is the axis of the second supporting portion 34. In the present embodiment, the number of the second supporting portions 34 is two, and the two second supporting portions 34 are coaxially disposed and respectively located at two opposite sides of the driving assembly 31. The second support portions 34 on both sides can stably support the driving assembly 31.
The utility model discloses in, electric toothbrush 1 makes core assembly 30 use second supporting part 34 to form lever structure as rotating the fulcrum, when the pressing force degree of brushing first subassembly 10 exceeded the default, brush first subassembly 10 can drive core assembly 30 and rotate around the second strong point with trigger control switch 41, and then makes control switch 41 adjust the rotational speed of drive assembly 31 in order to alleviate the pressing force degree of brushing first subassembly 10, effectively plays the effect of protection gum. And simultaneously, the utility model discloses press from both sides between drive assembly 31 and first support 32 and establish soft first supporting part 331, make first supporting part 331 as another fulcrum of lever structure, form two fulcrum lever structure. Before the brush head assembly 10 does not drive the driving assembly 31 to rotate, the driving assembly 31 is in a contact state with the first supporting part 331, the first supporting part 331 can support the driving assembly 31, the problem of unstable initial state caused by machining errors or assembly gaps and the like can be effectively avoided, the accuracy of the initial state is ensured, and the consistency of pressure induction among products is ensured; when the pressing force of the brush head assembly 10 exceeds the preset value, the brush head assembly 10 drives the driving assembly 31 to extrude the first supporting portion 331 to deform, and meanwhile, the driving assembly 31 can rotate to trigger the control switch 41. That is to say, the utility model discloses a stability of 1 initial condition of electric toothbrush can enough be guaranteed to first supporting part 331 to ensure its forced induction's precision, can guarantee again that drive assembly 31 is normal to rotate trigger function, moreover, soft first supporting part 33 can provide the resilience force for drive assembly 31's return when resuming deformation, resets with supplementary drive assembly 31.
As shown in fig. 2 and 4, the electric toothbrush 1 further includes a shaft 35, the shaft 35 being connected to the driving assembly 31, and the brush head assembly 10 being detachably connected to the shaft 35. Specifically, one end of the shaft 35 is located in the accommodating cavity and connected to the driving assembly 31, and the other end of the shaft 35 is located outside the housing 20 and connected to the brush head assembly 10. The brush head assembly 10 includes a brush head 11 and a connecting rod 12, and a shaft 35 is inserted in the connecting rod 12. In this embodiment, the shaft 35 is detachably connected to the connecting rod 12 to facilitate replacement of the brushhead assembly 10 for the electric toothbrush 1, reducing consumer costs. Specifically, the shaft 35 and the connecting rod 12 may be connected by a snap fit or the like.
As shown in fig. 5, in order to improve the waterproof performance of the electric toothbrush 1, the electric toothbrush 1 of the present embodiment further includes a waterproof rubber sleeve 36, a first elastic member 37 and a pressing cover 38, the accommodating cavity of the housing 20 has a cavity opening, the waterproof rubber sleeve 36 is hermetically disposed at the cavity opening, a part of the waterproof rubber sleeve 36 is located in the accommodating cavity, and the other part is located in the connecting rod 12. The waterproof rubber sleeve 36 is sleeved on the shaft rod 35 and used for preventing water from entering the accommodating cavity and avoiding damaging the movement assembly 30. In addition, the casing 20 is provided with a first step surface at the position of the cavity opening, and the waterproof rubber sleeve 36 is provided with a second step surface matched with the first step surface, so that the waterproof rubber sleeve 36 not only can play a waterproof role, but also can play a role in positioning the engine core assembly 30 in the assembling process. The first elastic element 37 is sleeved outside the waterproof rubber sleeve 36, and is used for tightly hooping the waterproof rubber sleeve 36 on the shaft 35 to prevent water from flowing into the movement assembly 30 along the shaft 35. The pressing cover 38 is sleeved outside the waterproof rubber sleeve 36 and the first elastic element 37 and is located in the brush head assembly 10, and the end of the pressing cover 38 abuts against the waterproof rubber sleeve 36. When the brush head assembly 10 is assembled onto the shaft 35, the pressing cover 38 can protect the waterproof rubber sleeve 36 and the first elastic member 37 from impact. In this embodiment, the first elastic member 37 is a spring.
The waterproof structure and the pressure sensing structure of the embodiment are divided into two independent modules, and the two independent modules do not interfere with each other, so that the design has the advantage that the waterproof performance of the electric toothbrush 1 is not hindered while the sensitivity of the pressure sensing structure is ensured.
Further, the electric toothbrush 1 further includes a rigid front support member 39, and the front support member 39 is sleeved on the shaft rod 35 and located between the waterproof rubber sleeve 36 and the first support member 33, so as to support the waterproof rubber sleeve 36.
As shown in fig. 2 and fig. 6, the driving assembly 31 includes a driving member 311 and a second bracket 312, in this embodiment, the driving member 311 is a motor, and the driving member 311 is disposed in the second bracket 312. The two second supporting portions 34 are respectively disposed at two opposite sides of the second bracket 312. The second bracket 312 is further provided with a trigger portion 321, and when the driving assembly 31 rotates, the trigger portion 321 can touch or pull the control switch 41. The control switch 41 is disposed on a circuit board 40, and the circuit board 40 can control the driving component 31 to reduce the rotation speed or stop the rotation when the triggering portion 321 triggers the control switch 41.
Further, the electric toothbrush 1 further includes a second supporting member 320, and the second supporting member 320 is made of a soft material and can be elastically deformed. In the present embodiment, the second supporting member 320 is a silicon rubber member; in other embodiments, the second supporting member 320 may also be a rubber member. The first support member 33 and the second support member 320 are disposed at an end of the driving assembly 31 close to the brushhead assembly 10 and an end far from the brushhead assembly 10, respectively. The first supporting member 33 and the second supporting member 320 can respectively protect the front end and the rear end of the motor from being worn by other parts, and at the same time, the first supporting member 33 and the second supporting member 320 can play a role in damping.
Specifically, the battery holder 310 is provided with an insertion slot, the second supporting member 320 includes a third supporting portion 3201 and a fourth supporting portion 3202 connected to each other, the driving member 311 is inserted into the third supporting portion 3201, the third supporting portion 3201 is sandwiched between the driving member 311 and the second holder 312, and the fourth supporting portion 3202 is inserted into the insertion slot. The second supporter 320 can assist the reset of the driving assembly 31 when the driving assembly 31 rotates while supporting and damping the motor.
Further, in order to make the driving assembly 31 have better resetting performance, the electric toothbrush 1 further includes a second elastic element 330, the second elastic element 330 is sleeved outside the fourth supporting portion 3202, and two ends of the second elastic element 330 respectively abut against the second bracket 312 and the battery bracket 310. When the driving assembly 31 rotates, the first supporting portion 331, the fourth supporting portion 3202 and the second elastic member 330 can be elastically deformed; when the pressure of the brush head assembly 10 is removed or reduced, the first supporting portion 331, the fourth supporting portion 3202 and the second elastic member 330 can provide a restoring force to the brush head assembly, so that the brush head assembly can be quickly restored, and the normal use of the electric toothbrush 1 is ensured. In this embodiment, the second elastic member 330 is a spring.
Further, the electric toothbrush 1 further comprises an alarm device, which is connected to the control switch 41 and is used for emitting a sound signal and/or a light signal when the driving component 31 triggers the control switch 41, wherein the sound signal and/or the light signal can prompt a consumer to adjust the pressing force of the brush head 11 to pay attention to the protection of the gums.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (13)
1. An electric toothbrush, comprising:
a housing provided with an accommodating chamber;
the movement assembly is arranged in the accommodating cavity and comprises a driving assembly, a first support and a soft first support, the first support comprises a first support, and two opposite sides of the first support are respectively contacted with the first support and the driving assembly; the driving assembly is provided with a second supporting part and is rotatably arranged in the shell through the second supporting part;
the control switch is arranged in the accommodating cavity and used for controlling the driving assembly; and
the brush head assembly is connected with the driving assembly, and when the pressing force of the brush head assembly exceeds a preset value, the brush head assembly can drive the driving assembly to extrude the first supporting portion and enable the driving assembly to rotate around the second supporting portion so as to trigger the control switch.
2. The powered toothbrush of claim 1, further comprising a shaft connected to the drive assembly, the brushhead assembly being removably connected to the shaft.
3. The powered toothbrush of claim 2, further comprising a waterproof rubber sleeve, the receiving cavity having an opening, one end of the shaft being connected to the drive assembly and the other end of the shaft extending out of the receiving cavity from the opening and being connected to the brushhead assembly; the waterproof rubber sleeve is arranged at the cavity opening in a sealing mode and sleeved on the shaft rod.
4. The powered toothbrush of claim 3, further comprising a first resilient member disposed over the waterproof rubber sleeve for tightening the waterproof rubber sleeve around the shaft.
5. The powered toothbrush of claim 4, further comprising a gland disposed outside the waterproof rubber sleeve and the first resilient element and within the brushhead assembly.
6. The powered toothbrush as defined in claim 3, wherein the first bracket is fixedly disposed in the cavity and an end of the first bracket is disposed between the waterproof grommet and the first support member.
7. The powered toothbrush of claim 1, further comprising a soft second support member, the first support member being disposed at an end of the drive assembly proximate the head, the second support member being disposed at an end of the drive assembly distal from the head.
8. The electric toothbrush of claim 7, further comprising a battery holder, wherein the battery holder is fixedly disposed in the receiving cavity, and the battery holder is provided with a slot; the driving assembly comprises a driving piece and a second bracket, and the driving piece is arranged in the second bracket; the second supporting piece comprises a third supporting portion and a fourth supporting portion which are connected, the third supporting portion is clamped between the driving piece and the second support, and the fourth supporting portion is inserted into the slot.
9. The electric toothbrush according to claim 8, further comprising a second elastic member, wherein the second elastic member is sleeved outside the third support portion, and two ends of the second elastic member respectively abut against the second bracket and the battery bracket.
10. The electric toothbrush of claim 1, wherein the second supporting part is a cylinder type, and the housing is provided with fixing grooves for receiving the second supporting part.
11. The electric toothbrush of claim 10, wherein the number of the second support portions is two, and the two second support portions are coaxially disposed and located at opposite sides of the driving assembly, respectively.
12. The electric toothbrush of claim 1, wherein the drive assembly includes a trigger portion, wherein when the drive assembly rotates, the trigger portion can touch or pull the control switch, such that the control switch controls the drive assembly to reduce the rotational speed or stop rotating.
13. The electric toothbrush of claim 1, further comprising an alarm device connected to the control switch for emitting an audible signal and/or a light signal when the drive assembly activates the control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475051.4U CN210990867U (en) | 2019-09-05 | 2019-09-05 | Electric tooth brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475051.4U CN210990867U (en) | 2019-09-05 | 2019-09-05 | Electric tooth brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210990867U true CN210990867U (en) | 2020-07-14 |
Family
ID=71483420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921475051.4U Active CN210990867U (en) | 2019-09-05 | 2019-09-05 | Electric tooth brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210990867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233425A1 (en) * | 2020-05-22 | 2021-11-25 | 美家智能科技(广州)有限公司 | Pressure-sensing electric toothbrush |
-
2019
- 2019-09-05 CN CN201921475051.4U patent/CN210990867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021233425A1 (en) * | 2020-05-22 | 2021-11-25 | 美家智能科技(广州)有限公司 | Pressure-sensing electric toothbrush |
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| CP03 | "change of name, title or address" |
Address after: Room 1101, 1102, 1103, 1104 and 401402, building 2, Chongwen Park, Nanshan Zhiyuan, No. 3370, Liuxian Avenue, Fuguang community, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen sushi Technology Co., Ltd Address before: 518000 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Patentee before: SOOCARE (SHENZHEN) TECHNOLOGY Co.,Ltd. |
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| CP03 | "change of name, title or address" |