CN212488964U - Toothbrush head and brush holder connection structure, toothbrush - Google Patents
Toothbrush head and brush holder connection structure, toothbrush Download PDFInfo
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- CN212488964U CN212488964U CN202020807369.4U CN202020807369U CN212488964U CN 212488964 U CN212488964 U CN 212488964U CN 202020807369 U CN202020807369 U CN 202020807369U CN 212488964 U CN212488964 U CN 212488964U
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- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
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Abstract
The toothbrush head and the toothbrush handle extend longitudinally, and one end of the toothbrush head is provided with a connecting groove for accommodating one end of the toothbrush handle; the inner side wall of the toothbrush head is provided with at least two limiting grooves which are respectively communicated with the connecting grooves, and the toothbrush handle is provided with at least two limiting blocks; or the inner side wall of the toothbrush head is provided with at least two limiting blocks, and the outer side wall of the toothbrush handle is provided with at least two limiting grooves; the extending directions of the limiting grooves are different; each limit groove and each limit block are respectively matched in a concave-convex mode to form limit of the toothbrush head and the toothbrush handle along at least two directions. Through setting up two at least spacing grooves and two at least stoppers respectively, the extending direction in each spacing groove is different for the brush holder can follow the spacing spread groove in the toothbrush head of two different directions at least, improves the joint strength of toothbrush head and brush holder, the normal use of the toothbrush of being convenient for.
Description
Technical Field
The application belongs to the technical field of cleaning tools, and more particularly relates to a toothbrush head and brush holder connecting structure and a toothbrush.
Background
The toothbrush generally comprises a toothbrush head and a toothbrush handle, wherein one end of the toothbrush handle is connected with a connecting shaft, and the connecting shaft is detachably connected with the toothbrush head, so that the toothbrush head can be conveniently replaced.
At present, the connection modes of the toothbrush head and the connecting shaft comprise the following two modes:
one end of the toothbrush head is provided with a flat groove, and the connecting shaft is in interference fit with the flat groove. The mode has the defects that after the toothbrush head and the connecting shaft are used for a long time, the toothbrush head and the connecting shaft are easy to loosen, and the toothbrush head is easy to fall off;
and one end of the toothbrush head is provided with a threaded hole, and the connecting shaft and the threaded hole form threaded connection. The design of the brush handle generally conforms to the ergonomics, and a user can hold the brush handle comfortably when using the brush handle; and the mode of threaded connection makes toothbrush head and brush holder produce relative rotation easily, can't guarantee the relative position of toothbrush head and brush holder after changing the toothbrush head.
Above, the connection between the toothbrush head and the toothbrush handle is not firm enough, which affects the normal use of the toothbrush.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the embodiment of the application is as follows: the utility model provides a toothbrush head and brush holder connection structure, aims at solving prior art, and the toothbrush head is not firm enough with being connected of brush holder and leads to influencing the technical problem of the normal use of toothbrush.
In order to solve the technical problem, the embodiment of the application adopts the following technical scheme:
the toothbrush head and the brush handle extend longitudinally, and one end of the toothbrush head is provided with a connecting groove for accommodating one end of the brush handle;
the inner side wall of the toothbrush head is provided with at least two limiting grooves which are respectively communicated with the connecting grooves, and the toothbrush handle is provided with at least two limiting blocks; or the inner side wall of the toothbrush head is provided with at least two limiting blocks, and the outer side wall of the toothbrush handle is provided with at least two limiting grooves;
the extending directions of the limiting grooves are different; each limiting groove is in one-to-one corresponding concave-convex fit with each limiting block to form limiting of the toothbrush head and the toothbrush handle in at least two directions.
In one embodiment, at least one of the limiting grooves is a first limiting groove, and the first limiting groove extends along the longitudinal direction; at least one the stopper is first stopper, first stopper with first spacing groove unsmooth cooperation is in order to form the toothbrush head with the brush holder is along ascending spacing in week.
In one embodiment, one end of the first limiting groove in the longitudinal direction extends out of the opening of the connecting groove, and the other end of the first limiting groove in the longitudinal direction is stopped by a first stopping surface.
In one embodiment, at least one of the limiting grooves is a second limiting groove, and the second limiting groove extends along the circumferential direction; at least one the stopper is the second stopper, the second stopper with the spacing groove of second forms unsmooth cooperation, in order to form toothbrush head with the brush holder is along ascending spacing longitudinally.
In one embodiment, two ends of the second limiting groove in the circumferential direction are respectively stopped at a second stop surface, and the second limiting block abuts against between the two second stop surfaces.
In one embodiment, the second limiting groove is an arc groove, and the outer wall of the second limiting block is an arc surface used for being matched with the arc groove.
In one embodiment, the brush handle comprises a handheld handle and a connecting shaft connected to one end of the handheld handle, and the connecting groove is used for accommodating the connecting shaft;
the limiting block is arranged on the connecting shaft, or the limiting groove is formed in the outer side wall of the connecting shaft.
In one embodiment, the connecting shaft comprises a first shaft section for connecting the handheld handle, and the outer peripheral wall of the first shaft section is provided with a conical surface with the outer diameter gradually reduced from one end to the other end; the connecting groove comprises a first groove section communicated with the outside, and the first shaft section is arranged in the first groove section in a sliding mode.
In one embodiment, the connecting shaft further comprises a second cylindrical shaft section arranged at one end of the first shaft section, which is far away from the handheld handle; the connecting groove comprises a second groove section communicated with the first groove section, and the second groove section is arranged in the second groove section in a sliding mode.
The utility model provides a toothbrush head and brush holder connection structure's beneficial effect lies in: compared with the prior art, this application sets up two at least spacing grooves respectively through one in both in the lateral wall of brush holder one end and the inside wall of toothbrush head, set up two at least stoppers on another, wherein the extending direction of each spacing groove is different, and each stopper and each spacing groove one-to-one form unsmooth cooperation, make brush holder one end can follow two different directions at least and spacing in the spread groove of toothbrush head, restrict brush holder and toothbrush head effectively along the relative rotation of circumference and along fore-and-aft relative movement, improve the joint strength of toothbrush head and brush holder, facilitate the normal use of toothbrush.
The present application also provides a toothbrush comprising a toothbrush head and handle connection according to any of the above.
The application provides a toothbrush, one through both at toothbrush head and brush holder sets up two at least spacing grooves, set up two at least stoppers at another person, and the extending direction of each spacing groove is different, each stopper forms unsmooth cooperation with each spacing groove one-to-one, make brush holder one end can follow two different directions at least and spacing in the spread groove of toothbrush head, restrict brush holder and toothbrush head effectively and follow fore-and-aft relative movement along the relative rotation of circumference, improve the joint strength of toothbrush head and brush holder, facilitate the normal use of toothbrush.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic view of a toothbrush according to an embodiment of the present application;
fig. 2 is a perspective structural view of a brush holder matching connection shaft provided in the embodiment of the application;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
figure 4 is a perspective view of a toothbrush head according to the present embodiment;
FIG. 5 is a partial enlarged view of the portion B in FIG. 4;
figure 6 is a cross-sectional view in one direction of a toothbrush head provided in accordance with an embodiment of the present application;
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
figure 8 is a cross-sectional view in another direction of a toothbrush head provided in accordance with an embodiment of the present application;
figure 9 is an enlarged partial view of a toothbrush head provided in accordance with another embodiment of the present application;
FIG. 10 is an enlarged view of a portion of a handle-engaging shaft according to another embodiment of the present application;
figure 11 is a partial view of a toothbrush head incorporating the connecting shaft, handle provided in the examples of this application.
Wherein, in the figures, the respective reference numerals:
1-toothbrush head; 11-a connecting trough; 111-a first groove section; 112-a second groove section; 12-a first limit groove; 13-a second limiting groove; 14-a first stop surface; 15-a second stop surface; 16-a third stop surface; 17-a fourth stop surface; 2-brush handle; 21-a handle; 22-a connecting shaft; 221-a first shaft section; 222-a second shaft section; 3-a first limiting block; 4-a second limiting block.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.
Referring to fig. 1 to 6 together, the toothbrush head and handle connecting structure provided by the embodiment of the present application includes a toothbrush head 1 and a handle 2, a connecting groove 11 for accommodating one end of the handle 2 is provided at one end of the toothbrush head 1, the toothbrush head 1 and the handle 2 both extend along a longitudinal direction, one end of the handle 2 can be detachably connected in the connecting groove 11 along the longitudinal direction, so as to realize the detachable connection of the handle 2 and the toothbrush head 1, thereby facilitating the replacement of the toothbrush head 1.
It should be noted here that the longitudinal direction refers to the extension trend of the lengths of the toothbrush head 1 and the handle 2, and here, the toothbrush head 1 and the handle 2 both extend along the longitudinal direction, and do not limit the linear extension of the toothbrush head 1 and the handle 2, and in fact, the toothbrush head 1 and the handle 2 may extend along the longitudinal direction linearly, may extend obliquely, and may even extend along a curve. It should be noted that the longitudinal direction mentioned hereinafter also refers to the same direction as the extension trend of the length of the toothbrush head 1, handle 2, and the structure described hereinafter extends in the longitudinal direction, also refers to the extension in the longitudinal direction, straight, oblique or curved, which will not be explained one by one hereinafter.
Specifically, referring to fig. 3 and 5, at least two limiting blocks are disposed on one of the inner side wall of the toothbrush head 1 and the outer side wall of one end of the brush handle 2, and at least two limiting grooves are disposed on the other one of the inner side wall and the outer side wall, and each limiting block is in one-to-one correspondence with each limiting groove to form a concave-convex fit, so that one end of the brush handle 2 can be limited in the connecting groove 11. Wherein, the extending direction diverse of each spacing groove, and the extending direction one-to-one of each spacing groove and each stopper sets up, thereby when making when 2 one ends of brush holder get into spread groove 11, the stopper can be spacing in spacing inslot along two at least different directions respectively, realize toothbrush head 1 and brush holder 2 can follow two at least ascending spacing of side promptly, thereby the joint strength between toothbrush head 1 and the brush holder 2 has been strengthened, consequently can avoid toothbrush head 1 and brush holder 2 to rotate along circumference relatively, and can also avoid brush holder 2 and toothbrush head 1 to follow vertical relative movement simultaneously.
In the embodiment of this application, offer two at least spacing grooves through one in two of the lateral wall of 2 one ends of brush holder and toothbrush head 1's inside wall, set up two at least stoppers at another person, wherein the extending direction of each spacing groove is different, and each stopper and each spacing groove one-to-one form unsmooth cooperation, make 2 one end of brush holder can follow two different directions at least and spacing in toothbrush head 1's spread groove 11, restrict brush holder 2 and toothbrush head 1 effectively along the relative rotation of circumference and along fore-and-aft relative movement, improve toothbrush head 1 and brush holder 2's joint strength, facilitate the normal use of toothbrush.
Specifically, referring to fig. 3 and 5, in one embodiment, the limiting blocks are disposed on the outer side wall of the brush handle 2, the limiting grooves are disposed on the inner side wall of the toothbrush head 1, and when one end of the brush handle 2 is inserted into the connecting groove 11, the limiting blocks are respectively matched with the limiting grooves in a one-to-one correspondence manner.
Or, in another embodiment, the limiting block is arranged on the inner side wall of the toothbrush head 1, and the limiting groove is arranged on the outer side wall of the toothbrush handle 2.
In one embodiment, referring to fig. 3, 5 and 7, the at least one limiting groove is a first limiting groove 12, and the first limiting groove 12 extends along the longitudinal direction. At least one stopper is first stopper 3, and first stopper 3 also sets up along longitudinal extension correspondingly, and first stopper 3 forms unsmooth cooperation with first spacing groove 12. When 2 one ends of brush holder are inserted into the connecting groove 11, the first limiting block 3 is limited in the first limiting groove 12 along the circumferential direction, so that the toothbrush head 1 and the brush holder 2 are limited along the circumferential direction, the connection firmness of the toothbrush head 1 and the brush holder 2 is enhanced, and the toothbrush head 1 and the brush holder 2 are prevented from rotating relatively along the circumferential direction.
Specifically, two third stop surfaces 16 are formed on the inner side wall of the toothbrush head 1 or the outer side wall of the toothbrush handle 2, and the two third stop surfaces 16 are circumferentially spaced and oppositely arranged, that is, the two ends of the first limit groove 12 in the circumferential direction are respectively stopped at one third stop surface 16. When one end of the brush handle 2 is inserted into the connecting groove 11, the first limiting block 3 enters the first limiting groove 12, and at the moment, the first limiting block 3 is tightly propped between the two third stopping surfaces 16. Therefore, the matching of the first limiting block 3 and the first limiting groove 12 limits the relative rotation of the brush handle 2 and the toothbrush head 1 along the circumferential direction, so that the relative position of the toothbrush head 1 and the brush handle 2 after the toothbrush head 1 is replaced can be ensured, and the use comfort level is improved.
In one embodiment, referring to fig. 3 and 5, the inner side wall of the toothbrush head 1 is provided with the first stop surface 14, or the first stop surface 14 is provided on the outer side wall of the handle 2. The first stop surface 14 is connected to the two third stop surfaces 16, and the first stop surface 14 and the two third stop surfaces 16 enclose to form the first limit groove 12. One end of the first limiting groove 12 in the longitudinal direction extends out of the opening of the connecting groove 11, so that the first limiting block 3 can conveniently enter the first limiting groove 12; and the other end of the first limiting groove 12 in the longitudinal direction ends at the first stop surface 14. When first stopper 3 gets into first spacing inslot 12, first stopper 3 can be located first backstop face 14 one side when toothbrush head 1 and brush holder 2 cooperate improper time limit to the stroke that restriction brush holder 2 moved towards toothbrush head 1 has also restricted brush holder 2 and toothbrush head 1's vertical relative displacement, is used for forming the protection to toothbrush head 1 and brush holder 2, avoids brush holder 2 infinitely to insert in spread groove 11.
In an embodiment, referring to fig. 3, fig. 5 and fig. 8, the at least one limiting groove is a second limiting groove 13, and the second limiting groove 13 extends along the circumferential direction. At least one stopper is second stopper 4, and second stopper 4 also sets up along circumference extension correspondingly, and second stopper 4 forms unsmooth cooperation with second spacing groove 13. When 2 one ends of brush holder are inserted into the connecting groove 11, the first limiting block 3 enters the first limiting groove 12, the second limiting block 4 enters the second limiting groove 13 at the same time, and the second limiting block 4 is limited in the second limiting groove 13 along the longitudinal direction, so that the toothbrush head 1 and the brush holder 2 are limited along the longitudinal direction, the connection firmness of the toothbrush head 1 and the brush holder 2 is enhanced, and the toothbrush head 1 and the brush holder 2 are prevented from moving relative to each other along the longitudinal direction.
Specifically, two fourth stop surfaces 17 are formed on the inner side wall of the toothbrush head 1 or the outer side wall of the toothbrush handle 2, the two fourth stop surfaces 17 are longitudinally spaced and oppositely arranged, that is, the two ends of the second limit groove 13 in the longitudinal direction are respectively stopped at the fourth stop surfaces 17. When one end of the brush handle 2 is inserted into the connecting groove 11, the first limiting block 3 enters the first limiting groove 12, the second limiting block 4 correspondingly enters the second limiting groove 13, and the second limiting block 4 is tightly abutted between the two fourth limiting surfaces 17. Therefore, the matching of the second limit block 4 and the second limit groove 13 at least limits the relative rotation of the brush holder 2 and the toothbrush head 1 along the longitudinal direction, and prevents the brush holder 2 and the brush holder 2 from loosening.
In one embodiment, referring to fig. 3, 5 and 8, two second stop surfaces 15 are disposed on the inner sidewall of the toothbrush head 1 or the outer sidewall of the toothbrush handle 2, the two second stop surfaces 15 are circumferentially spaced and oppositely disposed, that is, two ends of the second limit groove 13 in the circumferential direction are respectively stopped at the second stop surfaces 15. When one end of the brush handle 2 is inserted into the connecting groove 11, the second limiting block 4 enters the second limiting groove 13, and at the moment, the second limiting block 4 is tightly propped between the two second stopping surfaces 15. Therefore, the matching of the second limit block 4 and the second limit groove 13 limits the relative rotation of the brush handle 2 and the toothbrush head 1 along the circumferential direction, so that the relative position of the toothbrush head 1 and the brush handle 2 after the toothbrush head 1 is replaced can be ensured, and the use comfort level is improved.
Above, first spacing groove 12 unsmooth cooperation has avoided brush holder 2 and toothbrush head 1's relative rotation in first stopper 3, and second spacing groove 13 unsmooth cooperation has second stopper 4, has still restricted the relative toothbrush head 1 of brush holder 2 to remove simultaneously.
Referring to fig. 6 to 8, fig. 6 to 8 show the extending directions of the first limiting groove 12 and the second limiting groove 13, where the extending direction of the first limiting groove 12 is a, which is a longitudinal direction x, and the extending direction of the second limiting groove is b, which is a circumferential direction.
In one embodiment, the limiting grooves are spaced, that is, the first limiting groove 12 and the second limiting groove 13 are spaced, and correspondingly, the first limiting block 3 and the second limiting block 4 are spaced. Referring to fig. 8, two second limiting grooves 13 and a first limiting groove 12 are formed therein, the two second limiting grooves 13 are formed on two opposite inner side walls of the toothbrush head 1, correspondingly, two second limiting blocks 4 are also formed on two opposite outer side walls of the toothbrush handle 2, and the two second limiting blocks 4 are respectively in concave-convex fit with the two second limiting grooves 13, so that the connection stability between the toothbrush handle 2 and the toothbrush head 1 can be enhanced. Of course, the second limiting grooves 13 may be provided in a plurality of numbers, the second limiting grooves 13 are evenly circumferentially opened on the inner side wall of the connecting groove 11, and at this time, the second limiting blocks 4 are correspondingly provided with the second limiting grooves 13.
In another embodiment, referring to fig. 9 and fig. 10, the second limiting groove 13 extends continuously along the circumferential direction on the inner side wall of the toothbrush head 1, and the second limiting groove 13 can also be configured as an annular groove formed by connecting the first limiting groove 12 and the second limiting groove 13 end to end along the circumferential direction; correspondingly, the second limit block 4 extends continuously along the circumference of the outer circumferential wall of the brush holder 2. And the second limiting block 4 is arranged end to end, and the second limiting block 4 is connected to the first limiting block 3.
In addition, there is a first limiting groove 12, and the first limiting groove 12 is disposed between two second limiting grooves 13, and there is more than one, and the specific number is not limited.
Or, optionally, in another embodiment, the limit blocks are connected with each other, that is, the first limit block 3 and the second limit block 4 are connected with each other. Correspondingly, the first limiting groove 12 is communicated with the second limiting groove 13, that is, the first limiting groove 12 and the second limiting groove 13 are arranged at intervals.
In one embodiment, the second limiting groove 13 is formed as an arc groove, the outer wall of the second limiting block 4 is formed as an arc surface, the arc surface of the second limiting block 4 is matched with the arc groove, and the second limiting block 4 can conveniently enter and extend out of the second limiting groove 13 along the longitudinal direction due to the arrangement of the arc surface and the arc groove, so that the brush handle 2 and the toothbrush head 1 can be conveniently detached.
In one embodiment, referring to fig. 2 and 3, the brush handle 2 includes a handle 21 and a connecting shaft 22 connected to one end of the handle 21, and the connecting shaft 22 is connected to the handle 21 in a separated manner or in an integrated manner. The connecting slot 11 is used to accommodate the connecting shaft 22.
The limiting blocks are arranged on the connecting shaft 22, or the limiting grooves are formed in the outer side wall of the connecting shaft 22.
In one embodiment, referring to fig. 7, 10 and 11, the connecting shaft 22 includes a first shaft section 221 for connecting the handle 21, and an outer peripheral wall of the first shaft section 221 is configured as a conical surface with an outer diameter gradually decreasing from one end to the other end. The connecting groove 11 includes a first groove section 111 communicated with the outside, and the first groove section 111 is also correspondingly set to be a conical surface with an outer diameter gradually decreasing from one end to the other end, so that the first shaft section 221 can be slidably arranged in the first groove section 111 in a matching manner.
Specifically, the outer diameter of the first shaft section 221 gradually decreases along a direction from the end close to the handheld handle 21 to the end away from the handheld handle 21, and of course, the outer diameter of the first shaft section 221 may also gradually increase along a direction from the end close to the handheld handle 21 to the end away from the handheld handle 21, wherein, for enhancing the matching between the first shaft section 221 and the first groove section 111, the inner diameter of the first groove section 111 corresponds to the outer diameter of the first shaft section 221.
In an embodiment, referring to fig. 7, fig. 10 and fig. 11, the connecting shaft 22 further includes a second shaft section 222 disposed at an end of the first shaft section 221 away from the handle 21, the second shaft section 222 is cylindrical, and an outer diameter of the second shaft section 222 is the same as an outer diameter of an end of the first shaft section 221 away from the handle 21. The connecting groove 11 includes a second groove section 112 communicated with the first groove section 111, and correspondingly, the inner diameter of the second groove section 112 matches with the outer diameter of the second shaft section 222, so that the second shaft section 222 is fittingly and slidably arranged in the second groove section 112. Therefore, the inner diameter of the entire coupling groove 11 is reduced, leaving a design space for the shape design of the toothbrush head 1.
In one embodiment, the present application also provides a toothbrush comprising a head and handle attachment structure, which has been explained in detail above and which need not be described further herein.
Wherein, the toothbrush can be set as an electric toothbrush, and can also be set as a common toothbrush. When the toothbrush is an electric toothbrush, the vibration motor of the toothbrush is arranged in the brush handle 2, and the connecting shaft 22 is covered on the vibration shaft of the vibration motor, so that the vibration shaft is inserted into the connecting groove 11 along with the connecting shaft 22, and the toothbrush head 1 is convenient to vibrate.
The utility model provides a toothbrush, one in both through toothbrush head 1 and brush holder 2 sets up two at least spacing grooves, set up two at least stoppers at another person, and the extending direction of each spacing groove is different, each stopper forms unsmooth cooperation with each spacing groove one-to-one, make 2 one end of brush holder spacing in toothbrush head 1's spread groove 11 along the direction of two differences at least, restrict brush holder 2 and toothbrush head 1 effectively along the relative rotation of circumference and along fore-and-aft relative movement, improve toothbrush head 1 and brush holder 2's joint strength, facilitate the normal use of toothbrush.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A toothbrush head and brush holder connecting structure comprises a toothbrush head and a brush holder, wherein the toothbrush head and the brush holder extend along the longitudinal direction;
the inner side wall of the toothbrush head is provided with at least two limiting grooves which are respectively communicated with the connecting grooves, and the toothbrush handle is provided with at least two limiting blocks; or the inner side wall of the toothbrush head is provided with at least two limiting blocks, and the outer side wall of the toothbrush handle is provided with at least two limiting grooves;
the extending directions of the limiting grooves are different; each limiting groove is in one-to-one corresponding concave-convex fit with each limiting block to form limiting of the toothbrush head and the toothbrush handle in at least two directions.
2. The toothbrush head and handle connection of claim 1, wherein at least one of the retaining grooves is a first retaining groove, the first retaining groove extending longitudinally; at least one the stopper is first stopper, first stopper with first spacing groove unsmooth cooperation is in order to form the toothbrush head with the brush holder is along ascending spacing in week.
3. The toothbrush head and handle connection of claim 2, wherein the first retaining groove extends beyond the opening of the connecting groove at one longitudinal end and terminates at a first stop surface at the other longitudinal end.
4. The toothbrush head and handle connection of claim 1, wherein at least one of the retaining grooves is a second retaining groove, the second retaining groove extending circumferentially; at least one the stopper is the second stopper, the second stopper with the spacing groove of second forms unsmooth cooperation, in order to form toothbrush head with the brush holder is along ascending spacing longitudinally.
5. The toothbrush head and handle connecting structure according to claim 4, wherein the second retaining groove is terminated at a second stop surface at each of the two ends in the circumferential direction, and the second retaining block abuts between the two second stop surfaces.
6. The toothbrush head and handle connection structure of claim 4, wherein the second limiting groove is an arc groove, and the outer wall of the second limiting block is an arc surface for engaging with the arc groove.
7. A toothbrush head and handle connection according to any one of claims 1 to 6 wherein the handle comprises a hand-held handle and a connecting shaft connected to one end of the hand-held handle, the connecting slot being adapted to receive the connecting shaft;
the limiting block is arranged on the connecting shaft, or the limiting groove is formed in the outer side wall of the connecting shaft.
8. The coupling structure of a toothbrush head and a handle according to claim 7, wherein the coupling shaft comprises a first shaft section coupled to the handle, and an outer peripheral wall of the first shaft section is formed in a conical surface having an outer diameter gradually decreasing from one end to the other end; the connecting groove comprises a first groove section communicated with the outside, and the first shaft section is arranged in the first groove section in a sliding mode.
9. The toothbrush head and handle connection of claim 8, wherein the connection shaft further comprises a second cylindrical shaft segment disposed on an end of the first shaft segment facing away from the handle; the connecting groove comprises a second groove section communicated with the first groove section, and the second groove section is arranged in the second groove section in a sliding mode.
10. A toothbrush comprising a head and handle attachment according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807369.4U CN212488964U (en) | 2020-05-14 | 2020-05-14 | Toothbrush head and brush holder connection structure, toothbrush |
| PCT/CN2021/091537 WO2021227899A1 (en) | 2020-05-14 | 2021-04-30 | Toothbrush head and toothbrush holder connecting structure, and toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020807369.4U CN212488964U (en) | 2020-05-14 | 2020-05-14 | Toothbrush head and brush holder connection structure, toothbrush |
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| Publication Number | Publication Date |
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| CN212488964U true CN212488964U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020807369.4U Active CN212488964U (en) | 2020-05-14 | 2020-05-14 | Toothbrush head and brush holder connection structure, toothbrush |
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| CN (1) | CN212488964U (en) |
| WO (1) | WO2021227899A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227899A1 (en) * | 2020-05-14 | 2021-11-18 | 上海携福电器有限公司 | Toothbrush head and toothbrush holder connecting structure, and toothbrush |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201968059U (en) * | 2010-12-28 | 2011-09-14 | 上海市嘉定区南翔小学 | Toothbrush capable of exchanging a toothbrush head |
| CN203388461U (en) * | 2013-05-29 | 2014-01-15 | 溢垣电业(东莞)有限公司 | Toothbrush with swingable toothbrush head |
| US20180325251A1 (en) * | 2016-10-14 | 2018-11-15 | Tien-I Lin | Toothbrush with a replaceable function part |
| CN108113186B (en) * | 2016-11-28 | 2020-02-14 | 高露洁-棕榄公司 | Personal care appliance with replacement head |
| CN207323577U (en) * | 2017-03-23 | 2018-05-08 | 江门市西屋厨房小家电有限公司 | A kind of connection structure of electric toothbrush |
| CN207306346U (en) * | 2017-10-16 | 2018-05-04 | 江苏三笑集团有限公司 | A kind of combined toothbrush of new Joining Structure |
| CN207626773U (en) * | 2017-12-12 | 2018-07-20 | 慈溪市精诚模具有限公司 | A kind of replaceable head toothbrush |
| CN208676512U (en) * | 2018-06-29 | 2019-04-02 | 庄浚峰 | Tooth-brush structure |
| CN209847437U (en) * | 2019-02-27 | 2019-12-27 | 北京小米移动软件有限公司 | Connection structure of vibration shaft and toothbrush head, electric toothbrush, handle of electric toothbrush and toothbrush head |
| CN212488964U (en) * | 2020-05-14 | 2021-02-09 | 上海携福电器有限公司 | Toothbrush head and brush holder connection structure, toothbrush |
-
2020
- 2020-05-14 CN CN202020807369.4U patent/CN212488964U/en active Active
-
2021
- 2021-04-30 WO PCT/CN2021/091537 patent/WO2021227899A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227899A1 (en) * | 2020-05-14 | 2021-11-18 | 上海携福电器有限公司 | Toothbrush head and toothbrush holder connecting structure, and toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021227899A1 (en) | 2021-11-18 |
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Effective date of registration: 20231120 Address after: Quartz Industrial Building, Singapore, No. 5 Upper Ayuni Link, 06-02 Patentee after: Xingrui Technology (Singapore) Co.,Ltd. Address before: 201500 No.489, Jinbai Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee before: SHANGHAI SHIFT ELECTRICS Co.,Ltd. |