CN115715623A - Degerming toothbrush - Google Patents

Abstract

The present application relates to a sterilizing toothbrush, which includes a brush head assembly, a brush handle assembly and a sterilizing assembly connected to the brush handle assembly, and the brush head assembly includes a brush head part and a telescopic toothbrush connected to the brush head part. The sub-rod, the brush rod assembly includes a telescopic mother rod and a telescopic control part, the telescopic control part is used to control the expansion and contraction of the telescopic sub-rod along the telescopic mother rod, and the brush rod assembly is provided with a sterilization position, The brush head piece and the telescopic sub-rod can be overlapped or misplaced with the sterilization position, and the sterilization assembly is used to sterilize the brush head piece or the telescopic sub-rod placed at the sterilization position . The present application has the effect of reducing the bacteria on the bristles of the toothbrush after use.

Description

A sterilizing toothbrush

technical field

The application relates to the field of toothbrushes, in particular to a sterilizing toothbrush.

Background technique

At present, brushing teeth sooner or later has become the living habit of most people, so toothbrush is widely used in people's daily life as a tool for brushing teeth.

In the related art, a toothbrush includes a brush head for cleaning the oral cavity and a brush handle for people to hold. When using a toothbrush, toothpaste is first applied to the bristles of the brush head, and then the bristles are brought into contact with the teeth, and then the brush is controlled. The rod moves to drive the brush head to move in the oral cavity, and the bristles rub against the teeth to clean the oral cavity.

For the related technologies mentioned above, under normal circumstances, the toothbrush will be used repeatedly, and after each use of the toothbrush, some bacteria in the oral cavity will remain on the bristles, and the bacteria on these bristles are difficult to clean through clear water. During the process of brushing teeth, water will be stained, and the bristles will be wet, which is easy for bacteria to ferment. Therefore, when the toothbrush is used again, bacteria will be carried.

Contents of the invention

In order to reduce the bacteria on the bristles of the toothbrush after use, the present application provides a sterilizing toothbrush.

A kind of antibacterial toothbrush provided by the application adopts the following technical scheme:

A sterilizing toothbrush, comprising a brush head assembly, a brush rod assembly and a sterilizing assembly connected to the brush rod assembly, the brush head assembly includes a brush head part and a telescopic sub-rod connected to the brush head part, the The brush rod assembly includes a telescopic mother rod and a telescopic control part, the telescopic control part is used to control the expansion and contraction of the telescopic child rod along the telescopic mother rod, the brush rod assembly is provided with a sterilization position, and the brush head The parts and the telescopic sub-rod can be overlapped or misplaced with the sterilization position, and the sterilization component is used to sterilize the brush head part or the telescopic sub-rod placed at the sterilization position.

By adopting the above technical solution, the telescopic control part can control the extension length of the telescopic sub-rod along the telescopic mother rod, and the user can adjust the telescopic length of the telescopic sub-rod according to his own needs. At the same time, after brushing teeth, the brush head and the extension Bacteria may exist on the telescopic sub-rod in the entrance cavity. When the sterilization component is turned on, the telescopic control part controls the telescopic sub-rod to reciprocate along the telescopic mother rod. Both the brush head and the telescopic sub-rod overlap the sterilization position many times, so The sterilizing component can effectively sterilize the brush head and the brush rod, and finally reduce the bacteria on the bristles of the toothbrush after use; in addition, when the sterilizing toothbrush is not in use, the telescopic control part controls the telescopic sub-rod to move along the telescopic mother The rod is retracted to the greatest extent, and the space occupation rate of the sterilizing toothbrush is small, which is easy to carry or store.

Preferably, the telescopic control part is rotatably connected to one end of the telescopic mother rod close to the telescopic sub-rod, the telescopic control part is screwed to the telescopic sub-rod, and the telescopic control part rotates relative to the telescopic mother rod , the telescopic sub-rod extends or retracts along the telescopic mother rod.

By adopting the above technical scheme, the telescopic control part and the telescopic sub-rod are connected by threads, and the telescopic control part can perform stepless adjustment to the telescopic sub-rod. The mother rod extends out to any length, and when the sterilization component is opened at the same time, any section of the telescopic child rod can be adjusted to be placed in the sterilization position through the telescopic control part, so as to achieve a more accurate sterilization effect.

Preferably, a dissolution cavity is provided at the end of the telescopic control component away from the telescopic mother rod, and the sterilization position is set in the dissolution cavity.

By adopting the above technical scheme, when the brush head is placed in the dissolution chamber, the sterilization component can better sterilize the brush head; and after the sterilization is completed, the brush head is placed in the dissolution chamber, through Add clear water into the dissolution chamber to clean the brush head.

Preferably, the sterilization components are uniformly distributed along the rotation axis direction of the telescopic control part, and the expansion control part drives the rotation of the sterilization components when the telescopic control part rotates.

By adopting the above technical scheme, when the telescopic control part rotates relative to the telescopic sub-rod, the sterilization component also rotates with the telescopic control part, which can realize multi-angle sterilization of the telescopic sub-rod, ultimately improve the sterilization efficiency, and further reduce toothbrush Bacteria on the bristles after use; at the same time, the sterilization component is evenly distributed circumferentially along the direction of the rotation axis of the telescopic control part, and the sterilization component can simultaneously perform multi-angle sterilization on the telescopic sub-rod or the brush head, further improving the sterilization Rate.

Preferably, a vibration generating component is also included, and the vibration generating component is arranged in the telescopic mother rod.

By adopting the above technical solution, when the vibration generating component vibrates, it drives the telescopic mother rod to vibrate, and then drives the telescopic sub-rod to vibrate, and finally the vibration is transmitted to the brush head. During the brushing process, the brush head can better clean the oral cavity through vibration ;Adjust the expansion and contraction of the telescopic sub-rod along the telescopic mother rod, which can change the distance from the brush head to the thread connection between the telescopic sub-rod and the telescopic female rod, thereby changing the moment of vibration transmission between the telescopic female rod and the telescopic sub-rod, and finally adjusting the brush Vibration effects for head pieces. In addition, the brush head is placed at the sterilization position, and during the process of sterilization of the brush head by the sterilization assembly, the vibration generating assembly can drive the vibration of the brush head assembly, so that the residual bacteria and toothpaste left on the brush head are separated from the brush. The head piece further improves the cleaning effect of the brush head piece and reduces the possibility of bacteria breeding on the brush head piece.

Preferably, a dissolving chamber is provided at the end of the telescopic control part away from the telescopic mother rod, the sterilization position is set in the dissolving chamber, and the bristle contact piece protruding from the inner wall of the dissolving chamber, the When the brush head piece is placed in the dissolving chamber, the bristle contact piece is in contact with the bristles on the brush head piece.

By adopting the above technical scheme, when the brush head piece is placed at the sterilization position, the bristles on the brush head piece contact the bristle contact piece, and during the vibration generation component vibration, the bristle contact piece directly drives the bristle vibration on the brush head piece, further The ratio of bacterial residues remaining on the brush head piece and residual toothpaste falling off is improved, and the sterilization efficiency and the cleaning effect of the brush head piece are improved.

Preferably, a guide groove is provided at one end of the telescopic mother rod close to the telescopic control part, and the guide groove is used to guide the telescopic sub-rod, and the vibration generating assembly is uniform in the circumferential direction along the axial direction of the telescopic mother rod. Distribution, the vibration generating component is arranged on the inner wall of the guide groove.

By adopting the above technical scheme, along the axis direction of the telescopic mother rod, the telescopic sub-rod partially overlaps with the vibration generating assembly, and at the same time, the vibration generating assembly is evenly distributed circumferentially along the axial direction of the telescopic mother rod, and the vibration generating assembly can directly drive the telescopic sub-rod to vibrate. The vibration transmission efficiency is improved, the comfort of the user is improved, and the ratio of residual bacterial residue and residual toothpaste shedding is increased; in addition, when the telescopic sub-rod expands and contracts along the telescopic mother rod, the direct connection between the telescopic sub-rod and the vibration generating component The contact section is changed, so that the vibration effect of the brush head can be better adjusted through the extended length of the telescopic sub-rod.

Preferably, the brush rod assembly further includes a water-absorbing part connected to the telescopic control part, the telescopic control part is provided with a threaded hole along the direction of the rotation axis, the water-absorbing part is arranged at the opening of the threaded hole, and the water-absorbing part Used to absorb the liquid on the telescopic sub-rod.

By adopting the above technical scheme, after the telescopic sub-rod completes the sterilization step, the telescopic sub-rod needs to be cleaned, and then the telescopic sub-rod is retracted along the telescopic mother rod. During the retraction process of the telescopic sub-rod, the water-absorbing member can Water absorption is carried out, so that the part of the telescopic sub-rod retracted into the telescopic mother rod remains dry, which reduces the possibility of bacterial growth.

Preferably, the water-absorbing part is a water-absorbing sponge, and the water-absorbing part is detachably connected to the telescopic control part.

By adopting the above technical solution, the water-absorbing sponge can absorb the liquid on the telescopic sub-rod to a greater extent, and at the same time, the water-absorbing sponge can also be replaced, which finally makes the cleaning effect of the telescopic sub-rod better.

Preferably, the brush head is detachably connected to the telescopic sub-rod.

By adopting the above technical solution, the user can replace the old brush head with a new one, or replace the brush head with a different type.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The telescopic control part can control the extension length of the telescopic sub-rod along the telescopic mother rod. Users can adjust the telescopic length of the telescopic sub-rod according to their own needs. Bacteria may exist on the telescopic sub-rods. Turn on the sterilizing component, and then the telescopic control part controls the telescopic sub-rod to reciprocate along the telescopic mother rod. Effectively sterilize the brush head and brush rod, and finally reduce the bacteria on the bristles of the toothbrush after use; in addition, when the sterilizing toothbrush is not in use, the telescopic control part controls the telescopic sub-rod to shrink to the maximum extent along the telescopic mother rod. Back, the space occupation rate of the sterilizing toothbrush is small, easy to carry or store;

2. The telescopic control part and the telescopic sub-rod are connected by threads. The telescopic control part can steplessly adjust the telescopic sub-rod. Arbitrary length, when the sterilization component is turned on at the same time, any section of the telescopic sub-rod can be adjusted to the sterilization position through the telescopic control part to achieve a more accurate sterilization effect;

3. When the vibration generating component vibrates, it drives the telescopic rod to vibrate, and then drives the telescopic rod to vibrate, and finally the vibration is transmitted to the brush head. During the brushing process, the brush head can better clean the oral cavity through vibration; adjust the telescopic rod to vibrate. The expansion and contraction of the rod along the telescopic mother rod can change the distance from the brush head to the thread connection between the telescopic sub-rod and the telescopic female rod, thereby changing the moment of vibration transmission between the telescopic female rod and the telescopic sub-rod, and finally adjusting the vibration of the brush head Effect. In addition, the brush head is placed at the sterilization position, and during the process of sterilization of the brush head by the sterilization assembly, the vibration generating assembly can drive the vibration of the brush head assembly, so that the residual bacteria and toothpaste left on the brush head are separated from the brush. The head piece further improves the cleaning effect of the brush head piece and reduces the possibility of bacteria breeding on the brush head piece.

Description of drawings

Fig. 1 is a side view of a sterilizing toothbrush.

Fig. 2 is a sectional view of a sterilizing toothbrush.

Fig. 3 is a sectional view in direction A.

Fig. 4 is a sectional view of the brush head placed in the dissolving chamber.

Explanation of reference signs: 1. Brush head assembly; 11. Brush head piece; 12. Telescopic sub-rod; 121. Guide piece; 2. Brush rod assembly; 21. Telescopic mother rod; 211. Guide slot; 22. Telescopic control part ; 221, dissolution cavity; 222, bristle contact piece; 23, end cover piece; 24, water absorption piece; 25, sterilization position; 3, sterilization assembly; 4, vibration generation assembly; part.

Detailed ways

The application will be described in further detail below in conjunction with all the accompanying drawings.

The embodiment of the present application discloses a sterilizing toothbrush.

Referring to Figures 1 and 2, a sterilizing toothbrush includes a brush rod assembly 2, a brush head assembly 1 capable of stretching along the brush rod assembly 2, a sterilizing assembly 3 for sterilizing the brush head assembly 1, and a vibration-generating Vibration generating assembly 4, wherein both the sterilization assembly 3 and the vibration generating assembly 4 are connected to the brush rod assembly 2.

1 and 2, specifically, the brush head assembly 1 includes a brush head 11 for cleaning the oral cavity and a telescopic sub-rod 12 that can move relative to the brush rod assembly 2, and the brush head 11 is detachably connected to the telescopic sub-rod 12 , in this embodiment, the brush head piece 11 and the telescopic sub-rod 12 are threadedly connected. 12 When plugging in, the brush head piece 11 is provided with a plug joint, and the telescopic sub-bar 12 is provided with a plug slot, and the plug joint and the plug slot have an interference fit.

2 and 4, the brush rod assembly 2 includes a telescopic female rod 21 adapted to the telescopic sub-rod 12, a telescopic control component 22 for controlling the expansion and contraction of the telescopic sub-rod 12 relative to the telescopic female rod 21, and a telescopic control part 22 for absorbing the telescopic sub-rod 12. The water-absorbing part 24 and the sterilization position 25 of the surface liquid, wherein the telescopic control part 22 is threadedly connected with the telescopic sub-rod 12, and the telescopic sub-rod 12 is stretched along the telescopic mother rod 21, the brush head part 11 and the telescopic sub-rod 12 are both Can be overlapped or misplaced with the sterilization position 25, when the sterilization component 3 is opened, the sterilization component 3 can sterilize the brush head piece 11 or the telescopic sub-rod 12 placed on the sterilization position 25. Therefore, the sterilization assembly 3 can sterilize the telescopic sub-rod 12 and the brush head part 11 respectively, reduce the bacteria on the bristles of the toothbrush after use, and the user can adjust the extension length of the telescopic sub-rod 12 according to the degree of self-comfort .

Referring to Figures 2 and 3, specifically, the telescopic mother rod 21 is a cylinder, and one end of the telescopic mother rod 21 near the telescopic sub-rod 12 is provided with a guide groove 211, and the guide groove 211 is a cylinder, and the guide groove 211 is coaxial with the telescopic mother rod 21 set up. The vibration generating assembly 4 includes a vibrating part 41 and a power supply part 42 for providing energy to the vibrating part 41. In this embodiment, the number of the vibrating parts 41 is four. In other embodiments, the vibrating part 41 can also be other than one. an integer of . The vibrating part 41 is strip-shaped, and the length of the vibrating part 41 is adapted to the depth of the guide groove 211. There is a gap between two adjacent vibrating parts 41. The vibrating part 41 is connected to the inner wall of the guiding groove 211. The circumferential direction of the axis is evenly distributed, and along the axial direction of the telescopic mother rod 21, four vibrating components 41 form a ring.

Referring to Figures 2 and 3, in addition, the end of the telescopic sub-rod 12 away from the brush head 11 is provided with four guides 121. Evenly distributed, the telescopic sub-rod 12 is provided with a guide piece 121. The outer diameter of a section is adapted to the inner diameter of the ring formed by the four vibrating parts 41, and the width of the guide piece 121 is suitable for the gap width between two adjacent vibrating parts 41. Matching, the telescopic sub-rod 12 is inserted into the guide groove 211 along the inner diameter of the ring formed by the four vibrating parts 41, and the gaps between the guiding parts 121 and the vibrating parts 41 correspond one-to-one.

Through the above structure, the ring formed by four vibrating parts 41 encloses the telescopic sub-rod 12, and two adjacent vibrating parts 41 have a position-limiting effect on the guide 121, so the vibrating parts 41 play a guiding role on the telescopic sub-rod 12 , and the cooperation of the vibrating component 41 and the guide 121 makes it difficult for the telescopic sub-rod 12 to rotate relative to the telescopic mother rod 21, which improves the stability of this solution. Simultaneously the contact area of vibrating part 41 and telescopic sub-rod 12 is larger; Vibration assembly can transmit axial vibration to telescopic sub-rod 12 through the outer wall of telescopic sub-rod 12, while vibrating part 41 can pass circumferential vibration to telescopic sub-rod 12 by guide piece 121 simultaneously The telescopic sub-rod 12, so when the vibrating part 41 drives the telescopic sub-rod 12 to vibrate, the telescopic sub-rod 12 vibrates in the axial and circumferential directions at the same time, the vibration effect is better, and finally the brush head 11 can clean the oral cavity better. In addition, since the vibrating part 41 transmits the vibration to the telescopic sub-rod 12 by transmitting force, the length of the telescopic sub-rod 12 placed in the guide groove 211 changes during the expansion and contraction process of the telescopic sub-rod 12 along the telescopic mother rod 21, which can be changed. The vibrating part 41 acts on the moment of the force on the telescopic sub-rod 12, thereby changing the vibration amplitude of the brush head part 11. Therefore, the telescopic sub-rod 12 is controlled to expand and contract relative to the telescopic mother rod 21 through the telescopic control part 22, and the brush head part can also be adjusted The vibration amplitude of 11 finally adjusts the comfort level when cleaning the mouth.

2 and 4, specifically, the telescopic control part 22 is a cylinder, and the telescopic control part 22 is rotatably connected to the end surface of the telescopic mother rod 21 provided with the guide groove 211 through a bearing. A cylindrical dissolving chamber 221 , the dissolving chamber 221 is coaxially arranged with the telescopic control part 22 , and the sterilization position 25 is arranged in the dissolving chamber 221 . The sterilization assembly 3 is connected to the inner wall of the dissolution chamber 221, and the sterilization assembly 3 is evenly distributed along the circumferential direction of the dissolution chamber 221 axis; in this embodiment, the sterilization assembly 3 is an ultraviolet generator. In other embodiments, except The bacteria component 3 can also be an ultrasonic sterilizer or other sterilizers.

Referring to Figures 2 and 4, a threaded hole is also provided on the telescopic control part 22, and the threaded hole is coaxially arranged with the telescopic control part 22, and a section of external thread adapted to the threaded hole is also provided on the outer wall of the telescopic sub-rod 12. In the direction of the head piece 11, the section of the telescopic sub-rod 12 provided with the guide piece 121 and the section provided with the external thread are arranged in sequence. In addition, the water absorbing part 24 is an annular water absorbing sponge with an opening in the circumferential direction, and one end surface of the water absorbing part 24 is provided with double-sided tape, and the water absorbing part 24 is pasted on the bottom of the dissolving chamber 221 by the double-sided tape, and the water absorbing part 24 is coaxial with the threaded hole. Setting; when the water-absorbing part 24 needs to be replaced, it is only necessary to tear the water-absorbing part 24 along the bottom of the dissolving chamber 221, and paste a new water-absorbing part 24 on the bottom of the dissolving chamber 221.

Referring to Figures 2 and 4, the inner wall of the dissolution cavity 221 protrudes to form a bristle contact piece 222, the bristle contact piece 222 is made of a light-transmitting material, when the brush head assembly 1 is placed in the dissolution cavity 221, the bristle on the brush head piece 11 The end can abut against the bristle contact 222 . One end of the telescopic control part 22 is also provided with an end cover 23 , which is rotatably connected to the telescopic control part 22 through a hinged joint. The end cover 23 can cover the dissolution chamber 221 along the opening of the dissolution chamber 221 .

Through the above structure, when the telescopic control part 22 rotates, the telescopic control part 22 drives the telescopic sub-rod 12 to move along the axis of the threaded hole through the cooperation of the internal and external threads, so that the telescopic sub-rod 12 extends or retracts along the telescopic female rod 21. Under the action of the telescoping control part 22, the resistance to rotation is small, more labor-saving and easy to operate. In addition, while the telescopic control part 22 controls the expansion and contraction of the telescopic sub-rod 12 along the telescopic mother rod 21, it can also drive the sterilization assembly 3 to rotate along the axial direction of the telescopic sub-rod 12, and can sterilize the telescopic sub-rod 12360° without dead angle, improving At the same time, during the retraction process of the telescopic sub-rod 12 along the telescopic mother rod 21, the water-absorbing sponge can absorb the liquid on the outer wall of the telescopic sub-rod 12, reducing the possibility of bacterial growth.

In addition, when the brush head assembly 1 is placed in the dissolving chamber 221, the sterilizing components distributed along the axis of the dissolving chamber 221 can more efficiently sterilize the brush head piece 11, and after the sterilization is completed, the Pour in clear water, then open the vibration generating assembly 4, the vibration generating assembly 4 can drive the bristles on the brush head 11 to vibrate, so that the remaining bacteria and residual toothpaste stuck on the bristles are separated from the bristles, and at the same time, the bristles on the bristle contact piece 222 Under the action, both ends of the bristles vibrate, so the bristles vibrate more violently, which increases the shedding rate of residual bacteria and residual toothpaste, and finally removes the bacteria on the bristles to a great extent, and makes the sticky bristles Organic matter is shed, reducing the possibility of bacterial growth.

In summary, in the process of cleaning the oral cavity of this solution, the user can rotate the telescopic control part 22 to adjust the extension length of the telescopic sub-rod 12, so that the telescopic sub-rod 12 is at a length that is comfortable for the user; 12 During the telescopic process, the vibrating part 41 plays a guiding role for the telescopic sub-rod 12, and at the same time, the vibrating part 41 can better transmit the vibration to the telescopic sub-rod 12 through the guide part 121, finally enabling the brush head part 11 to have a positive impact on the oral cavity. better cleaning effect; in addition, when the stretching length of the telescopic sub-rod 12 changes, the torque of the vibrating member 41 transmitting force to the telescopic sub-rod 12 changes, and the vibration effect of the brush head part 11 also changes accordingly, so the user can also The vibration effect of the brush head piece 11 can be adjusted through the telescopic control part 22 .

After the program finishes cleaning the oral cavity, since the telescopic sub-rod 12 will also partially extend into the oral cavity, bacteria, residual toothpaste and liquid will also be contained on the telescopic sub-rod 12, the sterilization assembly 3 is opened, and the telescopic control part 22 rotates. Drive the telescopic sub-rod 12 to retract along the telescopic mother rod 21. During this process, the sterilization component can sterilize the telescopic sub-rod 12; at the same time, when the telescopic sub-rod 12 passes through the water-absorbing part 24, the water-absorbing part 24 can absorb the expansion of the telescopic sub-rod. The residual toothpaste and liquid stuck on 12 reduce the possibility of bacterial growth; finally, when the brush head piece 11 is placed in the dissolving chamber 221, the sterilization component 3 can sterilize the brush head piece 11 to complete the sterilization Finally, open the vibration generating assembly 4, the residue pasted on the brush head 11 will fall off, and under the action of the bristle contact piece 222, the shedding rate of the residue on the bristle will be higher, and finally add Clean the brush head part 11 with clear water. Through the above process, not only the brush head assembly 1 is efficiently sterilized, but also the residual organic matter on the brush head assembly 1 is largely cleaned up, reducing the possibility of bacterial growth.

The implementation principle of a sterilizing toothbrush in the embodiment of the present application is as follows: in the process of cleaning the oral cavity, first open the end cover 23, then turn the telescopic control part 22, the telescopic sub-rod 12 stretches out an appropriate length along the telescopic mother rod 21, and then start cleaning Oral cavity: After finishing the process of cleaning the oral cavity, open the sterilization assembly 3, rotate the telescopic control part 22, and the telescopic sub-rod 12 slowly retracts along the telescopic mother rod 21. Add clear water in 221, clean the brush head part 11 and pour out the water in the dissolving chamber 221, close the vibration generation assembly 4 and the sterilization assembly 3 at last, and cover the end cover part 23.

All of the above are preferred embodiments of the present application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape and principle of the application should be covered by the protection scope of the application. Inside.

Claims (10)

1. A sterilizing toothbrush, characterized in that: comprising a brush head assembly (1), a brush handle assembly (2) and a sterilizing assembly (3) connected to the brush handle assembly (2), the brush head assembly (1) comprising a brush head piece (11) and a telescopic child rod (12) connected to the brush head piece (11), the brush rod assembly (2) including a telescopic mother rod (21) and a telescopic control part (22 ), the telescopic control part (22) is used to control the telescopic child rod (12) to expand and contract along the telescopic mother rod (21), and the brush rod assembly (2) is provided with a sterilization position (25), The brush head piece (11) and the telescopic sub-rod (12) can be overlapped or misplaced with the sterilization position (25), and the sterilization component (3) is used to be opposite to the sterilization position (25) The brush head piece (11) or the telescopic sub-rod (12) is sterilized. 2. A sterilizing toothbrush according to claim 1, characterized in that: the telescopic control part (22) is rotatably connected to the telescopic mother rod (21) near the end of the telescopic child rod (12), so that The telescopic control part (22) is threadedly connected with the telescopic sub-rod (12), and when the telescopic control part (22) rotates relative to the telescopic mother rod (21), the telescopic sub-rod (12) moves along the Telescopic mother bar (21) stretches out or retracts. 3. A sterilizing toothbrush according to claim 2, characterized in that: said telescopic control part (22) is provided with a dissolving cavity (221) at one end far away from said telescopic mother bar (21), and said sterilizing toothbrush The position (25) is set in the dissolution chamber (221). 4. A kind of sterilizing toothbrush according to claim 3, characterized in that: said sterilizing assembly (3) is evenly distributed circumferentially along the rotation axis direction of said telescopic control part (22), said telescopic control part ( 22) Drive the sterilizing assembly (3) to rotate when rotating. 5 . The sterilizing toothbrush according to claim 2 , further comprising a vibration generating component ( 4 ), the vibration generating component ( 4 ) being arranged in the telescopic female rod ( 21 ). 5 . 6. A sterilizing toothbrush according to claim 5, characterized in that: the end of the telescopic control part (22) away from the telescopic mother bar (21) is provided with a dissolving chamber (221), and the sterilizing toothbrush The position (25) is set in the dissolution chamber (221), the bristle contact piece (222) protrudes from the inner wall of the dissolution chamber (221), and the brush head (11) is placed in the dissolution chamber When (221) is inside, the bristle contact part (222) is in contact with the bristles on the brush head part (11). 7. A kind of sterilizing toothbrush according to claim 5, characterized in that: said telescopic female rod (21) is provided with a guide groove (211) near one end of said telescopic control part (22), said guide groove ( 211) is used to guide the telescopic sub-rod (12), the vibration generating components (4) are evenly distributed circumferentially along the axial direction of the telescopic mother rod (21), and the vibration generating components (4) are arranged on the The inner wall of the guide groove (211). 8. A sterilizing toothbrush according to claim 2, characterized in that: the brush handle assembly (2) further comprises a water absorbing part (24) connected to the telescopic control part (22), and the telescopic control part (22) The part (22) is provided with a threaded hole along the direction of the rotation axis, and the water absorbing part (24) is arranged at the opening of the threaded hole, and the water absorbing part (24) is used to absorb the liquid on the telescopic sub-rod (12). 9. A sterilizing toothbrush according to claim 8, characterized in that: the water-absorbing member (24) is a water-absorbing sponge, and the water-absorbing member (24) is detachably connected to the telescopic control member (22). 10. A sterilizing toothbrush according to claim 1, characterized in that: the brush head (11) is detachably connected to the telescopic rod (12).

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