CN214805613U - Rotary switch structure and electric toothbrush - Google Patents
Rotary switch structure and electric toothbrush Download PDFInfo
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- CN214805613U CN214805613U CN202022425773.8U CN202022425773U CN214805613U CN 214805613 U CN214805613 U CN 214805613U CN 202022425773 U CN202022425773 U CN 202022425773U CN 214805613 U CN214805613 U CN 214805613U
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Abstract
The utility model discloses a rotation type switch structure and electric toothbrush, rotation type switch structure is used for electric toothbrush, include: an electric toothbrush body comprising a drive assembly and a battery assembly, the battery assembly electrically connected to the drive assembly; and the rotary switch mechanism is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly. Through setting up rotation type on-off mechanism, and will rotation type on-off mechanism set up in the electric toothbrush body, and pass through rotation type on-off mechanism electricity is connected drive assembly and battery pack, and then can adjust through rotatory mode electric toothbrush's operational mode, simultaneously, also avoided windowing on the electric toothbrush body, both protected electric toothbrush's outward appearance wholeness, promoted again electric toothbrush's waterproof performance.
Description
Technical Field
The utility model relates to an electric toothbrush technical field especially relates to a rotation type switch structure and electric toothbrush.
Background
The electric toothbrush is popular in the market due to good cleaning effect, the electric toothbrush works, the driving assembly (the motor) drives the brush head to generate high-frequency vibration, toothpaste is decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity, so that the electric toothbrush has a massaging effect on gum tissues.
However, the gum tissue is fragile, and when the vibration force of the bristles of the electric toothbrush exceeds a certain threshold, the gum tissue is damaged; therefore, in order to protect the gingival tissues and enrich the operation modes of the electric toothbrush, the conventional electric toothbrush tissues are usually provided with a press switch to adjust the electric toothbrush to enter different modes for operation, so as to protect the gingival tissues; however, the push switch must be designed with a window on the housing of the electric toothbrush, which seriously affects the appearance integrity of the electric toothbrush; meanwhile, the problem of sealing can be caused after the shell is windowed, and liquid such as water and the like can easily enter the electric toothbrush, so that the internal structure or circuit of the electric toothbrush is damaged, and the electric toothbrush is damaged.
Therefore, the prior art has defects and needs to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art not enough, an object of the utility model is to provide a rotary switch structure and electric toothbrush, aim at solving among the prior art electric toothbrush and set up button switch and destroy outward appearance wholeness and reduce waterproof performance's problem.
The utility model provides a technical scheme that technical problem adopted as follows: a rotary switch structure for an electric toothbrush comprising:
an electric toothbrush body comprising a drive assembly and a battery assembly, the battery assembly electrically connected to the drive assembly;
and the rotary switch mechanism is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly.
Further, the rotary switch mechanism includes:
a motherboard assembly;
a contact electrode assembly disposed on the motherboard assembly;
and the rotary reset assembly is arranged on the main board assembly and is used for controlling the contact electrode assembly to be closed or opened.
Further, the rotary switch structure further comprises a housing mechanism;
the housing mechanism includes:
the driving fixing component is arranged on the driving fixing component;
the battery fixing component is arranged on the battery fixing component;
wherein, drive fixed subassembly and battery fixed subassembly components of a whole that can function independently set up.
Further, the main board assembly includes:
the first PCB is fixedly connected to the driving fixing component and is electrically connected with the driving component;
the second PCB is fixedly connected to the battery component and is electrically connected with the battery component;
wherein, first PCB board and second PCB board are followed the axial interval of electric toothbrush body sets up.
Further, the contact electrode assembly includes:
the first contact electrode is arranged on the end face, facing the second PCB, of the first PCB and is electrically connected with the first PCB;
the second contact electrode is arranged on the end face, facing the first PCB, of the second PCB and is electrically connected with the second PCB;
wherein the first contact electrode and the second contact electrode are conducted when in contact.
Further, the first PCB is a fixed PCB, and the second PCB is a rotary PCB;
the first contact electrode is vertically arranged on the first PCB, the second contact electrode is vertically arranged on the second PCB, and the axial interval between the first PCB and the second PCB along the electric toothbrush body is smaller than the sum of the heights of the first contact electrode and the second contact electrode along the electric toothbrush body in the axial direction.
Furthermore, the first contact electrode and the second contact electrode are both elastic sheet electrodes with elasticity; or the like, or, alternatively,
the first contact electrode is set as a spring plate electrode, and the second contact electrode is set as a copper column electrode; or the like, or, alternatively,
the first contact electrode is set as a copper column electrode, and the second contact electrode is set as a spring plate electrode.
Further, the rotary reset component is arranged as a torsion spring;
the torsion spring includes: a torsion spring body;
one end of the first fixing part is connected to one end of the torsion spring body, and the other end of the first fixing part is connected to the first PCB and the driving fixing component;
one end of the second fixing part is connected to one end of the torsion spring body, which is far away from the first fixing part, and the other end of the second fixing part is connected to the second PCB.
Further, the torsion spring body, the first fixing part and the second fixing part are integrally formed;
the first fixing part is detachably connected to the first PCB and the driving fixing component along the axial direction of the electric toothbrush body;
the second fixing part is directly or indirectly vertically connected to the second PCB along the radial direction of the electric toothbrush body.
The utility model provides a technical scheme that technical problem adopted as follows: an electric toothbrush, comprising: a rotary switch structure as described above.
Compared with the prior art, the utility model provides a rotation type switch structure and electric toothbrush, rotation type switch structure is used for electric toothbrush, include: an electric toothbrush body comprising a drive assembly and a battery assembly, the battery assembly electrically connected to the drive assembly; and the rotary switch mechanism is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly. Can understand, through setting up rotation type on-off mechanism, and will rotation type on-off mechanism set up in the electric toothbrush body, and through rotation type on-off mechanism electricity is connected drive assembly and battery pack, and then can adjust through rotatory mode electric toothbrush's operational mode, simultaneously, also avoided windowing on the electric toothbrush body, both protected electric toothbrush's outward appearance wholeness, promoted again electric toothbrush's waterproof performance.
Drawings
Fig. 1 is a perspective exploded view of an electric toothbrush provided with a rotary switch structure according to the present invention;
FIG. 2 is a schematic side view of an electric toothbrush provided with a rotary switch structure as provided in the present invention;
FIG. 3 is a schematic cross-sectional view taken along line II-II of FIG. 2 according to the present invention;
fig. 4 is an enlarged schematic view of the portion C in fig. 3 according to the present invention;
fig. 5 is a perspective exploded view of another perspective view of the electric toothbrush provided with the rotary switch structure provided in the present invention;
fig. 6 is a schematic perspective view of a rotary switch mechanism of the rotary switch structure provided in the present invention;
fig. 7 is a perspective exploded view of a rotary switch mechanism of the rotary switch structure provided in the present invention;
fig. 8 is a schematic perspective exploded view of the fitting relationship between the rotary switch mechanism and the housing mechanism of the rotary switch structure provided in the present invention;
description of reference numerals:
1. an electric toothbrush; 20. a rotary switch structure; 11. driving the fixed component; 12. a drive assembly; 13. a brush head assembly; 15. an electric toothbrush body; 115. a second through hole; 151. a battery assembly; 21. a rotary switch mechanism; 22. a housing mechanism; 211. a motherboard assembly; 212. a contact electrode assembly; 213. rotating the reset assembly; 2111. a first PCB board; 2112. a second PCB board; 2113. A first through hole; 2114. fixing the bolt; 2121. a first contact electrode; 2122. a second contact electrode; 2131. a torsion spring body; 2132. a first fixed part; 2133. a second fixed part; 221. A battery securing assembly.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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 be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The electric toothbrush is popular in the market due to good cleaning effect, the electric toothbrush works, the driving assembly (the motor) drives the brush head to generate high-frequency vibration, toothpaste is decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity, so that the electric toothbrush has a massaging effect on gum tissues. However, the gum tissue is fragile, and when the vibration force of the bristles of the electric toothbrush exceeds a certain threshold, the gum tissue is damaged; therefore, in order to protect the gingival tissues and enrich the operation modes of the electric toothbrush, the conventional electric toothbrush tissues are usually provided with a press switch to adjust the electric toothbrush to enter different modes for operation, so as to protect the gingival tissues; however, the push switch must be designed with a window on the housing of the electric toothbrush, which seriously affects the appearance integrity of the electric toothbrush; meanwhile, the problem of sealing can be caused after the shell is windowed, and liquid such as water and the like can easily enter the electric toothbrush, so that the internal structure or circuit of the electric toothbrush is damaged, and the electric toothbrush is damaged.
The utility model discloses based on among the prior art electric toothbrush sets up button switch and destroys the outward appearance wholeness and reduce waterproof performance's problem, provide a rotation type switch structure and electric toothbrush, the rotation type switch structure is used for electric toothbrush, include: an electric toothbrush body comprising a drive assembly and a battery assembly, the battery assembly electrically connected to the drive assembly; and the rotary switch mechanism is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly. The rotary switch mechanism is arranged in the electric toothbrush body, and the drive assembly and the battery assembly are electrically connected through the rotary switch mechanism, so that the operation mode of the electric toothbrush can be adjusted in a rotary mode, and meanwhile, the window opening on the electric toothbrush body is avoided, the appearance integrity of the electric toothbrush is protected, and the waterproof performance of the electric toothbrush is improved; reference will be made in detail to the following examples.
Referring further to fig. 1 and 5 in combination, a first embodiment of the present invention provides a rotary switch structure 20 for an electric toothbrush 1; the rotary switch structure 20 includes: an electric toothbrush body 15 and a rotary switch mechanism 21; the electric toothbrush body 15 comprises a driving component 12 and a battery component 151, wherein the battery component 151 is electrically connected with the driving component 12; the rotary switch mechanism 21 is disposed in the electric toothbrush body 15 and electrically connects the driving assembly 12 and the battery assembly 151.
It can be understood that the operation mode of the electric toothbrush 1 can be adjusted in a rotating manner by arranging the rotary switch mechanism 21, arranging the rotary switch mechanism 21 in the electric toothbrush body 15, and electrically connecting the driving assembly 12 and the battery assembly 151 through the rotary switch mechanism 21; meanwhile, the window opening is also avoided on the electric toothbrush body 15, so that the appearance integrity of the electric toothbrush 1 is protected, and the waterproof performance of the electric toothbrush 1 is improved. It should be noted that the electric toothbrush body 15 further includes a brush head assembly 13, and the brush head assembly 13 is in transmission connection with the driving assembly 12 and is disposed on one end of the driving assembly 12 away from the battery assembly 151 along the axial direction of the electric toothbrush body 15.
Referring to fig. 6 to 7, in another preferred embodiment, the rotary switch mechanism 21 includes: a main plate assembly 211, a contact electrode assembly 212, and a rotary reset assembly 213; the contact electrode assembly 212 is disposed on the main board assembly 211; a rotary reset assembly 213, wherein the rotary reset assembly 213 is disposed on the main plate assembly 211 and is used for controlling the contact electrode assembly 212 to be closed or opened.
It can be understood that various circuit structures and circuit components are arranged in the motherboard assembly 211, and the specific arrangement manner of the circuit structures and the circuit components is the prior art, which is not specifically described in detail in this implementation; the contact electrode assembly 212 is disposed on the main board assembly 211 and electrically connected to the main board assembly 211; the contact electrode assembly 212 is triggered to be closed (electrically connected) in a rotating manner, and then the contact electrode assembly 212 is controlled to reset through the rotating reset assembly 213, so that the guarantee is provided for continuously adjusting different operation modes of the electric toothbrush 1; that is, when the contact electrode assembly 212 is triggered, the rotary reset assembly 213 is compressed, and after the electric toothbrush body 15 is released, the rotary reset assembly 213 automatically resets.
In other preferred embodiments, the rotary switch structure 20 further includes a housing mechanism 22, and it is understood that the driving assembly 12, the battery assembly 151 and the rotary switch mechanism 21 are accommodated and fixed in the housing mechanism 22.
Further, the housing mechanism 22 includes: a driving fixing member 11 and a battery fixing member 221; the driving assembly 12 is disposed on the driving fixing assembly 11, and the battery assembly 151 is disposed on the battery fixing assembly 221; wherein, the driving fixing assembly 11 and the battery fixing assembly 221 are separately provided.
It is understood that the battery pack 151 is disposed on the battery fixing assembly 221 by separately disposing the driving fixing assembly 11 and the battery fixing assembly 221, and disposing the driving assembly 12 on the driving fixing assembly 11; thereby providing a safeguard for the rotary switch mechanism 21 to be disposed between the drive assembly 12 and the battery assembly 151.
In other preferred embodiments, the main board assembly 211 includes: a first PCB board 2111 and a second PCB board 2112; the first PCB 2111 is fixedly connected to the driving fixing component 11 and electrically connected to the driving component 12; the second PCB 2112 is fixedly connected to the battery assembly 151 and electrically connected to the battery assembly 151; wherein the first PCB 2111 and the second PCB 2112 are spaced apart from each other in the axial direction of the electric toothbrush body 15.
It can be understood that, by arranging the main board assembly 211 as the first PCB 2111 and the second PCB 2112 and controlling the first PCB 2111 and the second PCB 2112 to be arranged at intervals along the axial direction of the electric toothbrush body 15, the relative rotation between the first PCB 2111 and the second PCB 2112 can be controlled, and thus the arrangement of the rotary switch mechanism 21 between the driving assembly 12 and the battery assembly 151 is ensured.
In other preferred embodiments, the contact electrode assembly 212 includes: a first contact electrode 2121 and a second contact electrode 2122; the first contact electrode 2121 is disposed on an end surface of the first PCB 2111 facing the second PCB 2112, and is electrically connected to the first PCB 2111; the second contact electrode 2122 is disposed on an end surface of the second PCB 2112 facing the first PCB 2111, and is electrically connected to the second PCB 2112; the first contact electrode 2121 and the second contact electrode 2122 are electrically connected to each other when they are in contact with each other.
It can be understood that the first PCB 2111 and the driving assembly 12 are fixedly connected to the driving fixing assembly 11, the second PCB 2112 and the battery assembly 151 are fixedly connected to the battery assembly 151, and the driving fixing assembly 11 and the battery assembly 151 are separately disposed; while the first contact electrode 2121 is disposed on the first PCB board 2111 and the second contact electrode 2122 is disposed on the second PCB board 2112; it can be understood that the first contact electrode 2121, the first PCB 2111, the driving assembly 12 and the driving fixing assembly 11 can rotate relative to the second contact electrode 2122, the second PCB 2112, the battery assembly 151 and the battery fixing assembly 221, so as to achieve the rotation adjustment control of the operation mode of the electric toothbrush 1.
In other preferred embodiments, the first PCB 2111 is configured as a stationary PCB and the second PCB 2112 is configured as a rotating PCB; the first contact electrode 2121 is vertically disposed on the first PCB 2111, the second contact electrode 2122 is vertically disposed on the second PCB 2112, and an axial interval between the first PCB 2111 and the second PCB 2112 along the electric toothbrush body 15 is smaller than a sum of heights of the first contact electrode 2121 and the second contact electrode 2122 along the electric toothbrush body 15 in the axial direction.
It can be understood that by controlling the axial interval of the first PCB 2111 and the second PCB 2112 along the electric toothbrush body 15 to be smaller than the sum of the heights of the first contact electrode 2121 and the second contact electrode 2122 along the axial direction of the electric toothbrush body 15, it is ensured that the first contact electrode 2121 and the second contact electrode 2122 are partially overlapped in the axial direction of the electric toothbrush body 15, and it is ensured that the first contact electrode 2121 and the second contact electrode 2122 can contact each other when the rotary switch structure 20 is rotated; of course, after the first contact electrode 2121 and the second contact electrode 2122 can contact each other, the first contact electrode 2121 and the second contact electrode 2122 are separated from contact with each other by the rotary reset assembly 213; that is, the operation mode of the electric toothbrush 1 can be adjusted only when the first and second contact electrodes 2121 and 2122 are in contact with each other, and after the operation mode of the power toothbrush is adjusted, there is no contact between the first and second contact electrodes 2121 and 2122.
In other preferred embodiments, the first contact electrode 2121 and/or the second contact electrode 2122 are provided as elastic sheet electrodes; it is understood that the first contact electrode 2121 and the second contact electrode 2122 can be both provided as elastic sheet electrodes; or, either the first contact electrode 2121 or the second contact electrode 2122 is an elastic sheet electrode; by setting the first contact electrode 2121 and/or the second contact electrode 2122 as elastic sheet electrodes, the first contact electrode 2121 and/or the second contact electrode 2122 can have a certain elastic deformation capability, so that damage to the structure of the first contact electrode 2121 and/or the second contact electrode 2122 due to an excessive force applied to rotate the rotary switch structure 20 is effectively avoided, and the practical life of the rotary switch structure 20 is ensured.
In other preferred embodiments, the first contact electrode 2121 is configured as a dome electrode, and the second contact electrode 2122 is configured as a copper pillar electrode; or, the first contact electrode 2121 is a copper pillar electrode, and the second contact electrode 2122 is a spring plate electrode.
It is understood that, by setting any one of the first contact electrode 2121 and the second contact electrode 2122 as a spring electrode, the other one is correspondingly set as a copper pillar electrode; and then, soft contact between the first contact electrode 2121 and the second contact electrode 2122 is ensured, and the situation that the first contact electrode 2121 and the second contact electrode 2122 are insufficient in strength and cannot timely and effectively stop the continuous rotation of the rotary switch structure 20 is avoided, so that damage to other structures of the rotary switch structure 20 is avoided, the rotary adjustment of the electric toothbrush 1 is ensured, and the service life of the electric toothbrush 1 is also ensured.
In other preferred embodiments, the rotary return assembly 213 is provided as a torsion spring; it can be understood that, by setting the rotary reset component 213 as a torsion spring, the timely reset of other structures of the rotary switch structure 20 is ensured, the cost of the rotary switch structure 20 is reduced, and the operation stability of the rotary switch is improved.
Further, the torsion spring includes: a torsion spring body 2131, a first fixing portion 2132 and a second fixing portion 2133; one end of the first fixing portion 2132 is connected to one end of the torsion spring body 2131, and the other end of the first fixing portion 2132 is connected to the first PCB 2111 and the driving fixing assembly 11; one end of the second fixing portion 2133 is connected to one end of the torsion spring body 2131, which is away from the first fixing portion 2132, and the other end of the second fixing portion 2133 is connected to the second PCB 2112.
It can be understood that the first PCB 2111 and the driving fixing assembly 11 can rotate relative to the second PCB 2112, the torsion spring body 2131 is a spiral structure, and is also a main elastic deformation part, the first PCB 2111 and the driving fixing assembly 11 are connected through the first fixing portion 2132, then the second PCB 2112 is connected through the second fixing portion 2133, and the driving fixing assembly 11 and the battery fixing assembly 221 are rotated relative to each other, that is, the rotation directions between the driving fixing assembly 11 and the battery fixing assembly 221 are controlled to be opposite, so as to synchronously drive the first fixing portion 2132 and the second fixing portion 2133 to rotate in opposite directions, thereby compressing the torsion spring body 2131.
In other preferred embodiments, the torsion spring body 2131, the first fixing portion 2132 and the second fixing portion 2133 are integrally formed; the first fixing portion 2132 is detachably connected to the first PCB 2111 and the driving fixing assembly 11 in the axial direction of the electric toothbrush body 15; the second fixing portion 2133 is directly or indirectly vertically connected to the second PCB 2112 in a radial direction of the electric toothbrush body 15.
Further, a first through hole 2113 is formed in the first PCB 2111 along the axial direction of the electric toothbrush body 15, a second through hole 115 is formed in the driving fixing component 11 along the axial direction of the electric toothbrush body 15, and the first through hole 2113 and the second through hole 115 are arranged opposite to each other along the axial direction of the electric toothbrush body 15; a fixing bolt 2114 is arranged on the second PCB 2112, and the fixing bolt 2114 is perpendicular to the second PCB 2112 along the axial direction of the electric toothbrush body 15 and extends perpendicularly along the end surface of the second PCB 2112 away from the first PCB 2111; it is understood that the first fixing portion 2132 partially extends into the first through hole 2113 and the second through hole 115, so as to fixedly connect the first PCB 2111 and the driving fixing component 11; the second fixing portion 2133 is fastened to the fixing bolt 2114 and is further fixedly connected to the second PCB 2112, so that a guarantee is provided for timely resetting of the rotary switch structure 20.
In a first embodiment of the present invention, there is provided an electric toothbrush 1, comprising: the rotary switch structure 20 according to the above embodiments of the present invention. It can be understood that, by providing the rotary switch mechanism 21, and disposing the rotary switch mechanism 21 in the electric toothbrush body 15, the drive assembly 12 and the battery assembly 151 are electrically connected through the rotary switch mechanism 21; and then can adjust through rotatory mode electric toothbrush 1's operational mode, simultaneously, also avoided windowing on the electric toothbrush body 15, both protected electric toothbrush 1's outward appearance wholeness, promoted again electric toothbrush 1's waterproof performance.
To sum up, the utility model provides a rotation type switch structure and electric toothbrush, rotation type switch structure is used for electric toothbrush, include: an electric toothbrush body comprising a drive assembly and a battery assembly, the battery assembly electrically connected to the drive assembly; and the rotary switch mechanism is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly. Can understand, through setting up rotation type on-off mechanism, and will rotation type on-off mechanism set up in the electric toothbrush body, and through rotation type on-off mechanism electricity is connected drive assembly and battery pack, and then can adjust through rotatory mode electric toothbrush's operational mode, simultaneously, also avoided windowing on the electric toothbrush body, both protected electric toothbrush's outward appearance wholeness, promoted again electric toothbrush's waterproof performance.
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 (9)
1. A rotary switch structure for an electric toothbrush, comprising:
an electric toothbrush body comprising a drive assembly and a battery assembly, the battery assembly electrically connected to the drive assembly;
the rotary switch mechanism is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly;
the rotary switch mechanism includes:
a motherboard assembly;
a contact electrode assembly disposed on the motherboard assembly;
and the rotary reset assembly is arranged on the main board assembly and is used for controlling the contact electrode assembly to be closed or opened.
2. The rotary switch structure according to claim 1, further comprising a housing mechanism;
the housing mechanism includes:
the driving fixing component is arranged on the driving fixing component;
the battery fixing component is arranged on the battery fixing component;
wherein, drive fixed subassembly and battery fixed subassembly components of a whole that can function independently set up.
3. The rotary switch structure according to claim 2, wherein said main plate assembly comprises:
the first PCB is fixedly connected to the driving fixing component and is electrically connected with the driving component;
the second PCB is fixedly connected to the battery component and is electrically connected with the battery component;
wherein, first PCB board and second PCB board are followed the axial interval of electric toothbrush body sets up.
4. The rotary switch structure according to claim 3, wherein the contact electrode assembly comprises:
the first contact electrode is arranged on the end face, facing the second PCB, of the first PCB and is electrically connected with the first PCB;
the second contact electrode is arranged on the end face, facing the first PCB, of the second PCB and is electrically connected with the second PCB;
wherein the first contact electrode and the second contact electrode are conducted when in contact.
5. A rotary switch structure according to claim 4,
the first PCB is a fixed PCB, and the second PCB is a rotary PCB;
the first contact electrode is vertically arranged on the first PCB, the second contact electrode is vertically arranged on the second PCB, and the axial interval between the first PCB and the second PCB along the electric toothbrush body is smaller than the sum of the heights of the first contact electrode and the second contact electrode along the electric toothbrush body in the axial direction.
6. A rotary switch structure according to claim 4,
the first contact electrode and the second contact electrode are both elastic sheet electrodes with elasticity; or the like, or, alternatively,
the first contact electrode is set as a spring plate electrode, and the second contact electrode is set as a copper column electrode; or the like, or, alternatively,
the first contact electrode is set as a copper column electrode, and the second contact electrode is set as a spring plate electrode.
7. The rotary switch structure according to claim 4, wherein the rotary return assembly is provided as a torsion spring;
the torsion spring includes: a torsion spring body;
one end of the first fixing part is connected to one end of the torsion spring body, and the other end of the first fixing part is connected to the first PCB and the driving fixing component;
one end of the second fixing part is connected to one end of the torsion spring body, which is far away from the first fixing part, and the other end of the second fixing part is connected to the second PCB.
8. The rotary switch structure according to claim 7,
the torsion spring body, the first fixing part and the second fixing part are integrally formed;
the first fixing part is detachably connected to the first PCB and the driving fixing component along the axial direction of the electric toothbrush body;
the second fixing part is directly or indirectly vertically connected to the second PCB along the radial direction of the electric toothbrush body.
9. An electric toothbrush, comprising: a rotary switch structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022425773.8U CN214805613U (en) | 2020-10-27 | 2020-10-27 | Rotary switch structure and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022425773.8U CN214805613U (en) | 2020-10-27 | 2020-10-27 | Rotary switch structure and electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214805613U true CN214805613U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022425773.8U Active CN214805613U (en) | 2020-10-27 | 2020-10-27 | Rotary switch structure and electric toothbrush |
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|---|---|
| CN (1) | CN214805613U (en) |
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