CN214805606U - Toothbrush main unit and electric toothbrush - Google Patents
Toothbrush main unit and electric toothbrush Download PDFInfo
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- CN214805606U CN214805606U CN202022222722.5U CN202022222722U CN214805606U CN 214805606 U CN214805606 U CN 214805606U CN 202022222722 U CN202022222722 U CN 202022222722U CN 214805606 U CN214805606 U CN 214805606U
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Abstract
The utility model discloses a toothbrush host computer and electric toothbrush relates to electric toothbrush technical field. This toothbrush host computer includes casing and core, be equipped with installation space in the casing, be equipped with the spacing portion of first spacing portion and second on installation space's the inner wall, the core is rectangular form setting to be located installation space, and be used for being connected with the brush head, in order to drive the first vibration of brush, the lateral surface of core is equipped with first locating part, first spacing portion and the cooperation of first locating part, with the fixed core of circumference, the one end of core supports with the spacing portion of second and holds, the other end is connected with the casing, with the axial fixity core. The toothbrush main machine and the electric toothbrush have the characteristic of relatively stable structures.
Description
Technical Field
The utility model relates to an electric toothbrush technical field particularly, relates to a toothbrush host computer and electric toothbrush.
Background
Electric toothbrush is as oral cavity burnisher, and the positional stability of its core is very important, and the core of current electric toothbrush uses simple fixed mode to install in the casing, along with the accumulation of live time, the condition that the core is not hard up or shifts easily appears, influences user's use and experiences.
In view of the above, it is important to develop a toothbrush main body and an electric toothbrush capable of solving the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a toothbrush host computer, it has the characteristics that the structure is more firm.
Another object of the present invention is to provide an electric toothbrush, which has a more stable structure.
The utility model provides a technical scheme:
in a first aspect, an embodiment of the present invention provides a toothbrush host, including a housing and a core; an installation space is arranged in the shell, and a first limiting part and a second limiting part are arranged on the inner wall of the installation space; the machine core is arranged in a strip shape, is positioned in the installation space and is used for being connected with the brush head so as to drive the brush head to vibrate; the outer side surface of the movement is provided with a first positioning part, the first limiting part is matched with the first positioning part to circumferentially fix the movement, one end of the movement is abutted against the second limiting part, and the other end of the movement is connected with the shell to axially fix the movement.
With reference to the first aspect, in a first implementation manner of the first aspect, the housing is provided with a driving opening communicated with the installation space, and the first limiting portion and the second limiting portion are both disposed near the driving opening; the end of the machine core abutted against the second limiting part is a driving end, a driving motor is arranged on the machine core close to the driving end, and a motor output shaft of the driving motor extends out of the driving end and is connected with the brush head through the driving opening.
With reference to the first aspect and the foregoing implementation manner, in a second implementation manner of the first aspect, the housing is provided with an installation opening communicated with the installation space, and the installation opening corresponds to the driving opening; the movement can be inserted into the installation space through the installation opening; the first positioning part is a strip-shaped bulge extending along the length direction of the movement; first spacing portion for set up in recess on the installation space inner wall, just the recess is followed the length direction of core extends, first location is located in the recess, and the core can pass through the installation opening inserts during the installation space, first location portion can be followed slide in the recess.
With reference to the first aspect and the foregoing implementation manner, in a third implementation manner of the first aspect, two strip-shaped protrusions are convexly arranged on an inner wall of the installation space, and the first limiting portion is a groove formed between the two protrusions.
With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, the first positioning portion is provided with a first guiding inclined surface, and the first guiding inclined surface extends along an edge of an end surface, close to the driving end, of the first positioning portion, and is disposed to be offset to a center of an end surface, close to the driving end, of the first positioning portion.
With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, the end face of the driving end is further provided with a second guiding inclined surface, and the second guiding inclined surface extends along an edge of the end face of the driving end and is biased toward the center of the end face of the driving end.
With reference to the first aspect and the foregoing implementation manner, in a sixth implementation manner of the first aspect, a plurality of third limiting portions are disposed on an inner wall of the installation space, and the plurality of third limiting portions are disposed near the driving end and respectively abut against an outer side surface of the core to jointly limit a radial position of the core.
With reference to the first aspect and the foregoing implementation manner, in a seventh implementation manner of the first aspect, the third limiting portion is a strip-shaped protrusion extending along a length direction of the movement, and one end of the protrusion, which is far away from the inner wall of the installation space, abuts against an outer side surface of the movement; one end of the third limiting part, which is far away from the driving end, abuts against one end, which is close to the driving end, of the driving stator of the driving motor.
With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, a second sealing ring is convexly arranged on an end face of the driving end; the toothbrush main machine further comprises a sealing ring, the sealing ring comprises a first sealing part and a second sealing part which are connected with each other, and the first sealing part is sleeved on the motor output shaft; the inner wall of the installation space is convexly provided with a fourth limiting part, and the second sealing part is located between the fourth limiting part and the tail end of the second sealing ring.
In a second aspect, the embodiment of the present invention further provides an electric toothbrush, which includes a toothbrush head and the toothbrush main body, wherein the toothbrush main body includes a housing and a core; an installation space is arranged in the shell, and a first limiting part and a second limiting part are arranged on the inner wall of the installation space; the machine core is arranged in a strip shape, is positioned in the installation space and is connected with the brush head so as to drive the brush head to vibrate; the outer side surface of the movement is provided with a first positioning part, the first limiting part is matched with the first positioning part to circumferentially fix the movement, one end of the movement is abutted against the second limiting part, and the other end of the movement is connected with the shell to axially fix the movement.
Compared with the prior art, the embodiment of the utility model provides a toothbrush host computer includes for prior art's beneficial effect:
the toothbrush host comprises a shell and a machine core, wherein an installation space is arranged in the shell, a first limiting portion and a second limiting portion are arranged on the inner wall of the installation space, the machine core is in a long strip shape, the machine core is located in the installation space, and the machine core is used for being connected with a brush head and can drive the brush head to vibrate through the machine core. Be equipped with first location portion at the lateral surface of core, first location portion and first spacing portion, with the fixed core of circumference, and then restrict the core through first spacing portion and first location portion cooperation and follow circumferential direction, the rigidity that keeps the core, in addition, the one end and the spacing portion of second of core support and hold, the other end is connected with the casing, come the axial fixity core with the relation of being connected through both ends and casing, thereby fixed core is in the casing, the holistic structure steadiness of toothbrush host computer has been improved.
The embodiment of the present invention provides an electric toothbrush which has the same advantages as the toothbrush main body and the toothbrush main body, and the advantages are not repeated herein.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a schematic structural view of a toothbrush main body applied to an electric toothbrush according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a toothbrush main body provided by an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of the structure at D-D in fig. 2.
Fig. 4 is an enlarged schematic view of the structure at IV in fig. 3.
Fig. 5 is an enlarged view of the structure at E-E in fig. 2.
Fig. 6 is a schematic perspective view of a movement of a toothbrush main body according to an embodiment of the present invention.
Fig. 7 is a partially cut-away structural schematic view of a housing of the toothbrush main body provided by the embodiment of the invention.
Fig. 8 is an enlarged view of the structure at VIII in fig. 6.
Icon: 100-an electric toothbrush; 20-a brush head; 10-toothbrush main machine; 12-a housing; 121-a first limiting part; 122-a second limiting part; 123-a third limiting part; 124-a fourth limiting part; 125-installation space; 126-drive opening; 127-a mounting opening; 13-a movement; 131-a drive end; 1312-a second guiding ramp; 1311 — a first seal ring; 1317 — a second seal ring; 132-an integral support; 133-a drive motor; 1331-a drive stator; 134-motor output shaft; 135-a battery; 136-a clamping end; 137-first positioning portion; 1371-a first guide ramp; 138-a clip; 15-sealing ring; 151-first seal; 152-a second seal; 153-third seal; 154-fourth seal; 155-sealing spring; 156-sealing flange.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally used to place the products of the present invention, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
Example (b):
referring to fig. 1, fig. 1 is a schematic structural view illustrating a toothbrush main body 10 applied to an electric toothbrush 100 according to an embodiment of the present invention.
The embodiment of the utility model provides a toothbrush host 10, this toothbrush host 10 has the characteristics that the structure is more firm. The toothbrush main body 10 can be connected with the toothbrush head 20 to form the electric toothbrush 100, the toothbrush head 20 is detachably installed at one end of the toothbrush main body 10, and the toothbrush main body 10 can drive the toothbrush head 20 to vibrate, thereby completing the tooth brushing action. Because the electric toothbrush 100 adopts the toothbrush main body 10 provided by the embodiment of the present invention, the electric toothbrush 100 also has the characteristic of stable structure.
The structural composition, the operation principle and the advantageous effects of the toothbrush main body 10 according to the embodiment of the present invention will be described in detail below.
Referring to fig. 2, 3, 4 and 5, fig. 2 is a schematic structural diagram of a toothbrush main body 10 according to an embodiment of the present invention. Fig. 3 is an enlarged view of the structure at D-D in fig. 2, and fig. 4 is an enlarged view of the structure at IV in fig. 3. Fig. 5 is an enlarged view of the structure at E-E in fig. 2.
Toothbrush host 10 includes casing 12 and core 13, is equipped with installation space 125 in the casing 12, is equipped with first spacing portion 121 and the spacing portion 122 of second on the inner wall of installation space 125, and core 13 is rectangular form setting, and perhaps core 13 is the column setting, and core 13 is located installation space 125, and core 13 is used for being connected with brush head 20, and can drive brush head 20 through core 13 and vibrate. The outer side surface of the core 13 is provided with a first positioning portion 137, the first positioning portion 137 is matched with the first limiting portion 121 to circumferentially fix the core 13, in other words, the core 13 is limited to rotate circumferentially by the matching of the first limiting portion 121 and the first positioning portion 137, and the position of the core 13 is kept fixed, in addition, one end of the core 13 abuts against the second limiting portion 122, and the other end of the core 13 is connected with the casing 12, so as to axially fix the core 13 through the connection relationship between the two ends and the casing 12, thereby fixing the core 13 in the casing 12, and thus, the core 13 of the toothbrush main machine 10 provided by the embodiment is circumferentially fixed and axially fixed respectively, and the overall structural stability of the toothbrush main machine is improved.
It should be noted that, a clamping member 138 is disposed at an end of the movement 13 away from the second limiting portion 122, and the movement 13 is clamped to the casing 12 through the clamping member 138, so as to connect an end of the movement 13 where the clamping member 138 is located and the casing 12. Of course, in other embodiments, the end of the movement 13 away from the second limiting portion 122 may also be connected to the housing 12 by other connection methods. In addition, in the present embodiment, the second position-limiting portion 122 is a protrusion protruding from the inner wall of the mounting space 125, and the end surface of the second position-limiting portion is abutted against an end surface of the core 13.
Referring to fig. 3, 4, 6 and 7, fig. 6 is a schematic perspective view of a movement 13 of the toothbrush main body 10 according to an embodiment of the present invention. Fig. 7 is a partially cut-away structural schematic view of the housing 12 of the toothbrush main body 10 according to the embodiment of the present invention.
The housing 12 may be provided with a driving opening 126 communicating with the mounting space 125, the first limiting portion 121 and the second limiting portion 122 are both disposed near the driving opening 126, an end of the core 13 abutting against the second limiting portion 122 is a driving end 131, a driving motor 133 is disposed on the core 13 near the driving end 131, and a motor output shaft 134 of the driving motor 133 extends out of the driving end 131 and is connected to the brush head 20 through the driving opening 126. In other words, the first position-limiting portion 121 and the second position-limiting portion 122 jointly act on the end where the driving motor 133 is located, so as to purposefully improve the structural stability of the driving end 131.
It should be noted that, in this embodiment, the motor output shaft 134 is disposed to penetrate through the driving opening 126, and the movement 13 further includes an integrated bracket 132 and a battery 135, one end of the integrated bracket 132 is a driving end 131, the other end of the integrated bracket 132 is a clamping end 136, the clamping member 138 is connected to the clamping end 136, the driving motor 133 is disposed on the integrated bracket 132 near the driving end 131, and the battery 135 is disposed on the integrated bracket 132 near the clamping end 136, as shown in fig. 6.
In addition, the housing 12 may further have an installation opening 127 communicating with the installation space 125, the installation opening 127 corresponds to the driving opening 126, and the movement 13 can be inserted into the installation space 125 through the installation opening 127, in other words, during assembly, the movement 13 can be gradually inserted into the installation space 125 through the installation opening 127, when the motor output shaft 134 extends out of the driving opening 126 of the housing 12 and reaches the installation position, the first limiting portion 121 is matched with the first positioning portion 137, the driving end 131 of the movement 13 abuts against the second limiting portion 122, and the clip 138 of the clip end 136 is connected with the housing 12, so that the operation of assembling the movement 13 to the housing 12 is completed.
Referring to fig. 3, fig. 4 and fig. 5, the first positioning portion 137 may be a strip-shaped protrusion extending along the length direction of the movement 13, the first positioning portion 121 is a groove disposed on the inner wall of the mounting space 125, the groove extends along the length direction of the movement 13, one end of the first positioning portion 121 is close to the driving opening 126, when the movement 13 is assembled in the housing 12, the first positioning portion 137 is located in the groove, and when the movement 13 is inserted into the mounting space 125 from the mounting opening 127, the first positioning portion 137 can slide along the groove, so as to improve the convenience of assembling the movement 13 in the mounting space 125.
In other embodiments, the first positioning portion 137 may be a groove, and correspondingly, the first position-limiting portion 121 is a convex strip engaged with the groove.
Further, two strip-shaped protrusions are convexly arranged on the inner wall of the mounting space 125, and the first limiting portion 121 is a groove formed between the two protrusions. The two strip-shaped protrusions can also be abutted against the outer side surface of the movement 13, so that the stability of the movement 13 assembled in the shell 12 is further improved.
It should be noted that, in other embodiments, the upper groove may also be directly opened on the inner wall of the installation space 125.
Referring to fig. 8, fig. 8 is an enlarged view of the structure at VIII in fig. 6.
In addition, the end surface of the driving end 131 may be further provided with a second guiding inclined surface 1312, and the second guiding inclined surface 1312 extends along the edge of the end surface of the driving end 131 and is offset to the center of the end surface of the driving end 131, so that the driving end 131 is guided to be offset to the central axis of the installation space 125 by the second guiding inclined surface 1312 during the process of inserting the movement 13 into the installation space 125, thereby further improving the convenience of assembly.
Referring to fig. 7 and fig. 4, a plurality of third limiting portions 123 may be disposed on the inner wall of the mounting space 125, and the plurality of third limiting portions 123 are disposed near the driving end 131 and respectively abut against the outer side surface of the core 13 to jointly limit the radial position of the core 13. Thereby further restricting the movement 13 from being displaced in the radial direction with respect to the housing 12.
It should be noted that the third limiting portion 123 is a strip-shaped protrusion extending along the length direction of the movement 13, and one end of the protrusion far from the inner wall of the installation space 125 abuts against the outer side surface of the movement 13.
And one end of the third limiting portion 123 far from the driving end 131 abuts against one end of the driving stator 1331 of the driving motor 133 close to the driving end 131, so as to further limit the axial displacement of the movement 13.
Referring to fig. 3, 4 and 6, a second sealing ring 1317 may be protruded on the end surface of the driving end 131, the toothbrush main body 10 may further include a sealing ring 15, the sealing ring 15 includes a first sealing portion 151 and a second sealing portion 152 connected to each other, and the first sealing portion 151 is sleeved on the motor output shaft 134.
The inner wall of the mounting space 125 is convexly provided with a fourth limiting part 124, the second sealing part 152 is positioned between the fourth limiting part 124 and the tail end of the second sealing ring 1317 to further limit the axial displacement of the movement 13, and the fourth limiting part 124 and the second sealing ring 1317 jointly clamp the second sealing part 152, so that the waterproofness of the toothbrush main body 10 is further improved.
Further, the sealing ring 15 further includes a fourth sealing portion 154 and a third sealing portion 153, the first sealing portion 151, the fourth sealing portion 154, the second sealing portion 152 and the third sealing portion 153 are sequentially connected, the end surface of the driving end 131 may further be convexly provided with a first sealing ring 1311, the first sealing ring 1311 is wound outside the first sealing portion 151, the motor output shaft 134 penetrates through the first sealing ring 1311, the fourth sealing portion 154 is sleeved on the first sealing ring 1311, the inner wall of the driving opening 126 and the outer side surface of the first sealing ring jointly clamp the fourth sealing portion 154, the third sealing portion 131153 is sleeved on the second sealing ring 1317, and the second sealing ring 1317 and the second limiting portion 122 jointly clamp the third sealing portion 153, so as to further improve the water-proof performance of the toothbrush host 10.
In addition, a sealing spring 155 is further disposed on the first sealing portion 151 to improve the stability of the first sealing portion 151 being fitted on the motor output shaft 134, and a sealing flange 156 is further disposed on the second sealing portion 152, the third sealing portion 153, and the fourth sealing portion 154 to further improve the sealing effect of the sealing ring 15.
The embodiment of the utility model provides a toothbrush host computer 10's theory of operation is:
be equipped with installation space 125 in the casing 12, be equipped with first spacing portion 121 and the spacing portion 122 of second on the inner wall of installation space 125, core 13 is rectangular form setting, and core 13 is located installation space 125, and core 13 is used for being connected with brush head 20, and can drive brush head 20 vibration through core 13. Be equipped with first locating part 137 at the lateral surface of core 13, first locating part 137 and the cooperation of first spacing portion 121 to the fixed core 13 of circumference, and then restrict core 13 along the circumferential direction through the cooperation of first spacing portion 121 and first locating part 137, keep the rigidity of core 13, in addition, the one end and the spacing portion 122 of second of core 13 support and hold, the other end is connected with casing 12, come axial fixity core 13 through the relation of being connected of both ends and casing 12, thereby fixed core 13 is in casing 12, the holistic structure of toothbrush host computer 10 is more firm.
In summary, the following steps:
the embodiment of the utility model provides a toothbrush host 10, it has the characteristics that the structure is more firm.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that the features in the above embodiments may be combined with each other without conflict, and various modifications and variations of the present invention are possible. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A toothbrush main machine is characterized by comprising a shell (12) and a machine core (13);
an installation space (125) is arranged in the shell (12), and a first limiting part (121) and a second limiting part (122) are arranged on the inner wall of the installation space (125);
the movement (13) is arranged in a long strip shape, is positioned in the installation space (125), and is used for being connected with the brush head (20) so as to drive the brush head (20) to vibrate; a first positioning part (137) is arranged on the outer side surface of the movement (13), the first limiting part (121) is matched with the first positioning part (137) to circumferentially fix the movement (13), one end of the movement (13) is abutted against the second limiting part (122), and the other end of the movement is connected with the shell (12) to axially fix the movement (13);
the shell (12) is provided with a driving opening (126) communicated with the mounting space (125), and the first limiting part (121) and the second limiting part (122) are both arranged close to the driving opening (126);
one end of the movement (13) abutted against the second limiting part (122) is a driving end (131), a driving motor (133) is arranged at a position, close to the driving end (131), on the movement (13), and a motor output shaft (134) of the driving motor (133) extends out of the driving end (131) and is connected with the brush head (20) through the driving opening (126).
2. The toothbrush main body according to claim 1, wherein the housing (12) is opened with a mounting opening (127) communicating with the mounting space (125), the mounting opening (127) corresponding to the driving opening (126); the movement (13) can be inserted into the installation space (125) through the installation opening (127);
the first positioning part (137) is a strip-shaped bulge extending along the length direction of the movement (13); the first limiting part (121) is a groove arranged on the inner wall of the installation space (125), the groove extends along the length direction of the movement (13), the first positioning part (137) is located in the groove, and when the movement (13) can be inserted into the installation space (125) through the installation opening (127), the first positioning part (137) can slide along the groove.
3. The toothbrush main body according to claim 2, wherein two strip-shaped protrusions are protruded from the inner wall of the mounting space (125) at intervals, and the first limiting portion (121) is a groove formed between the two protrusions.
4. The toothbrush main body according to claim 2, wherein the first positioning portion (137) is provided with a first guiding inclined surface (1371), the first guiding inclined surface (1371) extends along an edge of an end surface of the first positioning portion (137) close to the driving end (131), and is disposed to be offset to a center of an end surface of the first positioning portion (137) close to the driving end (131).
5. The toothbrush main body according to claim 2, wherein the end face of the driving end (131) is further provided with a second guiding inclined surface (1312), and the second guiding inclined surface (1312) extends along the edge of the end face of the driving end (131) and is biased towards the center of the end face of the driving end (131).
6. The toothbrush main body according to claim 1, wherein a plurality of third limiting parts (123) are arranged on the inner wall of the mounting space (125), and the plurality of third limiting parts (123) are arranged near the driving end (131) and respectively abut against the outer side surface of the movement (13) to jointly limit the radial position of the movement (13).
7. The toothbrush main body according to claim 6, wherein the third limiting part (123) is a strip-shaped protrusion extending along the length direction of the movement (13), and one end of the protrusion, which is far away from the inner wall of the mounting space (125), abuts against the outer side surface of the movement (13);
one end, far away from the driving end (131), of the third limiting part (123) is abutted against one end, close to the driving end (131), of a driving stator (1331) of the driving motor (133).
8. The toothbrush main body according to any one of claims 1 to 7, characterized in that a second sealing ring (1317) is convexly arranged on the end face of the driving end (131); the toothbrush main body (10) further comprises a sealing ring (15), the sealing ring (15) comprises a first sealing part (151) and a second sealing part (152) which are connected with each other, and the first sealing part (151) is sleeved on the motor output shaft (134);
a fourth limiting part (124) is convexly arranged on the inner wall of the mounting space (125), and the second sealing part (152) is positioned between the fourth limiting part (124) and the tail end of the second sealing ring (1317).
9. An electric toothbrush, characterized in that it comprises a brush head (20) and a toothbrush main body according to any one of claims 1 to 8, said brush head (20) being connected to said cartridge (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222722.5U CN214805606U (en) | 2020-09-30 | 2020-09-30 | Toothbrush main unit and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222722.5U CN214805606U (en) | 2020-09-30 | 2020-09-30 | Toothbrush main unit and electric toothbrush |
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| Publication Number | Publication Date |
|---|---|
| CN214805606U true CN214805606U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022222722.5U Active CN214805606U (en) | 2020-09-30 | 2020-09-30 | Toothbrush main unit and electric toothbrush |
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| CN (1) | CN214805606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115281871A (en) * | 2022-07-04 | 2022-11-04 | 深圳素士科技股份有限公司 | Toothbrush head and electric toothbrush |
-
2020
- 2020-09-30 CN CN202022222722.5U patent/CN214805606U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115281871A (en) * | 2022-07-04 | 2022-11-04 | 深圳素士科技股份有限公司 | Toothbrush head and electric toothbrush |
| CN115281871B (en) * | 2022-07-04 | 2023-12-01 | 深圳素士科技股份有限公司 | Toothbrush head and electric toothbrush |
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