CN111568030A

CN111568030A - Toothbrush capable of squeezing toothpaste

Info

Publication number: CN111568030A
Application number: CN202010564444.3A
Authority: CN
Inventors: 徐龙颜
Original assignee: Xiamen Moling Technology Co ltd
Current assignee: Xiamen Moling Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-08-25

Abstract

The invention discloses a toothbrush for squeezing toothpaste, which comprises a handle and a toothbrush head connected with the handle, wherein the handle comprises a handle shell and a toothpaste pushing component, the toothbrush head comprises bristles and a toothbrush handle, the bristles are arranged at the head part of the toothbrush handle, a toothpaste outlet channel is arranged in the toothbrush handle, an opening joint of the toothpaste outlet channel is positioned at the tail part of the toothbrush handle, an outlet of the toothpaste outlet channel is positioned at the bristles, an elastic sealing element is arranged at the outlet of the toothpaste outlet channel, the elastic sealing element comprises a sealing plug and a rubber sleeve pipe, a toothpaste outlet window is arranged on the side wall of the sealing plug and communicated with the toothpaste outlet channel, the rubber sleeve pipe is sleeved on the sealing plug, the side wall of the rubber sleeve pipe is tightly attached to the toothpaste outlet window, the upper part of the rubber sleeve pipe extends towards the upper part of the bristles, the outlet at the upper part of the rubber sleeve pipe faces the bristles, the toothpaste squeezing component at least comprises a, the gel sleeve expands to open the paste outlet window under the extrusion pushing force of the toothpaste and elastically restores to close the paste outlet window when the gel sleeve is not stressed.

Description

Toothbrush capable of squeezing toothpaste

Technical Field

The invention relates to the technical field of tooth cleaning, in particular to a toothbrush for squeezing toothpaste.

Background

Tooth brushing is an important means for cleaning teeth and keeping oral health, and is a thing frequently done in daily life. In addition to traditional manual tooth brushing, the existing popular electric tooth brushing is widely accepted by people due to convenient use, high cleaning efficiency and good cleaning effect. In order to further increase the convenience of manual tooth brushing and electric tooth brushing, the existing manual tooth brushing and electric tooth brushing is additionally provided with the function of self-carrying toothpaste squeezing. That is, toothpaste is stored in the toothbrush handle, and is manually or electrically extruded to the brush head of the toothbrush through the channel. However, the prior art has many defects, such as that toothpaste can not be smoothly squeezed above the bristles, the toothpaste used in the channel is not polluted due to poor sealing of the toothpaste outlet of the channel of the brush head, the toothpaste squeezing mechanism is complicated, and the toothbrush handle is thick.

In view of this, the prior art is in need of improvement. The scheme is generated.

Disclosure of Invention

The invention aims to provide a toothbrush for squeezing toothpaste, which realizes the function of squeezing toothpaste by the toothbrush, can smoothly squeeze the toothpaste to the upper part of bristles, and can prevent the pollution of unused toothpaste in a toothpaste outlet channel because the toothpaste outlet channel is closed in the process of brushing teeth after the toothpaste is squeezed.

In order to achieve the above purpose, the solution of the invention is:

the utility model provides a toothbrush of crowded toothpaste, includes the handle and connect in the toothbrush head of handle, wherein, the handle include the handle shell and install in the handle shell in push away the cream subassembly, the toothbrush head include brush hair and brush holder, the brush hair setting is equipped with out the cream passageway in the brush holder head, the opening joint that goes out the cream passageway be located the brush holder afterbody, play cream passageway export be located brush hair department, the export that goes out the cream passageway be equipped with elastic sealing element, elastic sealing element include sealing plug, rubber sleeve pipe, the lateral wall of sealing plug on be equipped with out the cream window, play cream window and play cream passageway communicate with each other, rubber sleeve pipe suit in the sealing plug, rubber sleeve pipe's lateral wall hug closely in going out the cream window, rubber sleeve pipe's upper portion extend to brush hair upper portion, the export on rubber sleeve pipe upper portion is towards the brush hair, crowded cream subassembly at least include crowded cream pump, The toothpaste tube, the crowded cream pump communicate with each other with the open joint, crowded cream pump with toothpaste from the toothpaste tube suction and squeeze into out the cream passageway, the gum cover pipe expand and open out the cream window when receiving the crowded pulling force of toothpaste, and elasticity returns when not atress is in order to seal out the cream window.

Preferably, the sealing plug on be equipped with the stiff end, the stiff end epirelief is equipped with the stopper post, the lateral wall of stopper post is equipped with out the cream window, the stiff end of sealing plug be equipped with the recess, the sheathed tube lower part of gluing be equipped with the arch, the sheathed tube lower part of gluing be in block fit with the recess mutually through the arch to fix on the fixed end of sealing plug, the lower part of the stiff end of sealing plug be equipped with the stopper seat, the export of play cream passageway be equipped with the installation cavity, the stopper seat on be equipped with into cream mouth, the stopper seat is fixed in the installation cavity, advance the cream mouth and go out the cream passageway and communicate with each other.

Preferably, the upper part of the rubber sleeve is provided with an inclined side wall facing the bristles, so that an outlet at the upper part of the rubber sleeve faces the bristles, and the side wall of the upper part of the rubber sleeve, which is close to the bristles, is provided with an axial groove.

Preferably, crowded cream pump set up the exit end at the toothpaste pipe, crowded cream pump include the pump body, piston, button, check valve, elastic component, the pump body on be equipped with the piston chamber, the piston chamber on inhale cream mouth, crowded cream mouth, inhale cream mouth and toothpaste pipe and communicate with each other, the piston intracavity establishes the check valve, the check valve can only be opened to the piston intracavity by inhaling the cream mouth, the piston slide and set up in the piston intracavity, the button establish on the piston and expose outside the pump body, the elastic component set up and provide the resilience for the button between button and the pump body.

Preferably, the check valve be the elasticity gasket structure, it is partly fixed gasket to cut open at the middle part of gasket and form a crack, partly is the removable gasket who connects on the elasticity gasket, the piston can produce suction when the bottom of keeping away from the piston chamber is done at the piston intracavity and slides, suction pull up the removable gasket to the piston intracavity perk, the position that the removable gasket left become the cut-open, suction inhale the piston intracavity with toothpaste from the toothpaste pipe through the cut-open, the piston can produce the extrusion force when the bottom of doing near the piston chamber slides in the piston intracavity, the extrusion force push back the removable gasket and coincide with fixed gasket again, the cut-open reset and reclosing because of the removable gasket, the extrusion force extrude the crowded cream mouth with toothpaste from the piston intracavity.

Preferably, the paste suction port is arranged at the bottom of the piston cavity, and the paste extrusion port is arranged on the side wall of the piston cavity and close to the bottom of the piston cavity.

Preferably, a movable plug is arranged in the toothpaste tube, and the movable plug freely slides between the outlet end and the tail end of the toothpaste tube.

Preferably, the handle shell in still install electric component, electric component with crowded cream subassembly install side by side in the handle shell, electric component include switch button, power strip, battery and frequency ware at least, be equipped with the frequency on the frequency ware and move the pole, the brush holder afterbody of toothbrush head be equipped with and supply frequency to move pole male trompil joint.

Preferably, the front end of the handle shell is provided with a detachable front end cover, a pump body of a paste squeezing pump of the paste squeezing assembly is arranged in the front end cover, the front end cover is further provided with a key opening and an access opening, the key opening is used for extending out a key of the paste squeezing pump of the paste squeezing assembly, and the access opening is used for butting a paste squeezing opening of the paste squeezing pump of the paste squeezing assembly and a frequency moving rod of a frequency moving device of an electric assembly with an opening joint and a hole opening joint of a paste outlet channel of the brush handle.

Preferably, the front end of handle shell still be equipped with the division board, be equipped with the hole on the division board, place the mouth, the rear end of handle shell be equipped with the installing port, be equipped with the detachable bottom on the installing port, electronic component in putting into the handle shell in from the installing port, the pole is moved frequently on the frequency ware and stretches out from the hole and be located between front end housing and the division board, the toothpaste pipe of crowded cream subassembly in putting into the handle shell from placing the mouth, the pump body of crowded cream pump is arranged in between front end housing and the division board.

The toothbrush for squeezing toothpaste provided by the technical scheme is provided with the toothpaste squeezing component, so that the function of squeezing toothpaste by the toothbrush is realized, and the toothbrush is convenient for a user to use; and the outlet of the toothpaste outlet channel is provided with the elastic sealing element, the upper part of the rubber sleeve of the elastic sealing element extends towards the upper part of the brush bristles, the outlet at the upper part of the rubber sleeve faces towards the brush bristles, so that the toothpaste can be smoothly extruded to the upper part of the brush bristles, the rubber sleeve expands to open the toothpaste outlet window under the extrusion pushing force of the toothpaste, and elastically returns to seal the toothpaste outlet window when the toothpaste is not stressed, so that the toothpaste which is not used in the toothbrush is prevented from being polluted.

Drawings

FIG. 1 is a perspective assembly view of an embodiment of the toothbrush of the present invention.

Figure 2 is an exploded view of a handle and head of one embodiment of the toothbrush of the present invention.

Figure 3 is an exploded view of the head and elastomeric seal of one embodiment of the toothbrush of the present invention.

Figure 4 is a half cross-sectional view of a head of one embodiment of the toothbrush of the present invention.

Figure 5 is an exploded view of the handle housing and the paste pushing assembly and power assembly in one embodiment of the toothbrush of the present invention.

Fig. 6 is an exploded view of the paste pushing assembly and the electric assembly in an embodiment of the toothbrush of the invention.

Figure 7 is an exploded view of the powered assembly in one embodiment of the toothbrush of the present invention.

Figure 8 is an exploded view of a toothpaste dispenser assembly in accordance with an embodiment of the toothbrush of the present invention.

FIG. 9 is a rear cross-sectional view of the movable plug moved into the toothpaste tube in one embodiment of the toothbrush of the present invention.

FIG. 10 is a cross-sectional view of the movable plug moving toward the outlet end of the toothpaste tube in an embodiment of the toothbrush of the present invention.

Fig. 11 is a perspective view of a first embodiment of the present invention toothbrush.

Fig. 12 is a perspective view of a second embodiment of the toothbrush of the present invention.

Fig. 13 is a cross-sectional view of a paste pump in an embodiment of the toothbrush of the present invention.

Figure 14 is a cross-sectional view of the pump body in one embodiment of the toothbrush of the present invention.

Fig. 15 is an exploded view of a paste pump in an embodiment of the toothbrush of the present invention.

Figure 16 is a perspective view one of the one-way valves in an embodiment of the toothbrush of this invention.

Figure 17 is a perspective view of a second one-way valve in an embodiment of the toothbrush of the present invention.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 17, the invention provides a toothbrush for squeezing toothpaste, which comprises a handle 1 and a toothbrush head 2 connected to the handle of the hand, wherein the handle 1 comprises a handle housing 11 and a toothpaste pushing assembly 3 arranged in the handle housing 11, the toothbrush head 2 comprises bristles 21 and a handle 22, the bristles 21 are arranged at the head of the handle 22, a toothpaste outlet channel 23 is arranged in the handle 22, an open joint 24 of the toothpaste outlet channel 23 is arranged at the tail of the handle 22, an outlet 25 of the toothpaste outlet channel 23 is arranged at the bristles 21, an elastic sealing element 4 is arranged at the outlet 25 of the toothpaste outlet channel 23, the elastic sealing element 4 comprises a sealing plug 41 and a rubber sleeve 42, a toothpaste outlet window 43 is arranged on the side wall of the sealing plug 41, the toothpaste outlet window 43 is communicated with the toothpaste outlet channel 23, the rubber sleeve 42 is sleeved on the sealing plug 41, the side wall of the rubber sleeve 42 is tightly attached to the toothpaste outlet window 43, the upper part of the rubber sleeve 42 extends towards the upper part of the brush hair, the outlet 45 of the upper part of the rubber sleeve 42 faces the brush hair, the toothpaste extruding component 3 at least comprises a toothpaste extruding pump 31 and a toothpaste tube 32, the toothpaste extruding pump 31 is communicated with the opening connector 24, the toothpaste is sucked out of the toothpaste tube 32 and extruded into the toothpaste outlet channel 23 by the toothpaste extruding pump 31, the rubber sleeve 42 expands to open the toothpaste outlet window 43 under the extruding and pushing force of the toothpaste, and elastically restores to seal the toothpaste outlet window 43 when not stressed.

As shown in fig. 3 and 4, because the sealing plug 41 and the rubber sleeve 42 of the elastic sealing member 4 are made of silica gel, and are different from the brush handle 22, for manufacturing convenience, the outlet 25 of the paste outlet channel 23 is provided with the mounting cavity 26, the sealing plug 41 is provided with the fixing end 411, the fixing end 411 is provided with the plug 412 in a protruding manner, the sidewall of the plug 412 is provided with the paste outlet window 43, the lower part of the fixing end 411 is provided with the plug seat 413, the plug seat 413 is provided with the paste inlet 414, the plug seat 413 is fixed in the mounting cavity 26, and the paste inlet 414 is communicated with the paste outlet channel 23.

As shown in fig. 3 and 4, in order that the rubber sleeve 42 can be sleeved on the sealing plug 41 without being separated, the fixed end 411 of the sealing plug 41 is provided with a groove 415, the lower part of the rubber sleeve 42 is provided with a protrusion 421, and the lower part of the rubber sleeve 42 is clamped with the groove 415 through the protrusion 421 so as to be fixed on the fixed end 411 of the sealing plug 41.

As shown in fig. 3 and 4, in order to smoothly extrude toothpaste to the upper parts of the bristles 21 and evenly distribute the toothpaste to the upper parts of the bristles 21, which produces an effect similar to manual toothpaste extrusion, the upper part of the rubber sleeve 42 is provided with an inclined side wall 44 facing the bristles 21, so that an outlet 45 at the upper part of the rubber sleeve 42 faces the bristles, and the toothpaste extruded from the outlet 45 of the rubber sleeve 42 can smoothly flow to the upper parts of the bristles 21 by utilizing the fluidity of the toothpaste.

As shown in figures 3 and 4, in order to avoid toothpaste from being retained on the upper part of the rubber sleeve 42, the upper part of the rubber sleeve 42 is provided with an axial groove 46 close to the side wall of the brush 21.

As shown in fig. 5, 6, and 8-16, the paste dispensing pump 31 is disposed at an outlet 321 of the toothpaste tube 32, the paste dispensing pump 31 includes a pump body 311, a piston 312, a button 313, a one-way valve 314, and an elastic member 315, the pump body 311 is provided with a piston cavity 316, the piston cavity 316 is provided with a paste suction port 317 and a paste dispensing port 318, the paste suction port 317 is communicated with the toothpaste tube 32, the piston cavity 316 is internally provided with the one-way valve 314, the one-way valve 314 can only be opened from the paste suction port 317 to the piston cavity 316, the piston 312 is slidably disposed in the piston cavity 316, the button 313 is disposed on the piston 213 and exposed outside the pump body 311, the elastic member 315 is disposed between the button 313 and the pump body 311 to provide a restoring elastic force for the button 313, and the elastic member 315 is a spring.

As shown in fig. 5, 6 and 8-17, because the toothpaste tube 32 is sucked out by the toothpaste-squeezing pump 31, negative pressure is generated in the toothpaste tube 32, and if a flexible tube is used as the toothpaste tube 32, the negative pressure can be eliminated by the contraction deformation of the flexible tube, if the tube 32 is a rigid tube, a movable plug 33 is provided in the tube 32, said plug 33 being free to slide between the outlet end 321 and the rear end 322 of the tube 32, therefore, the negative pressure is eliminated, so that the toothpaste tube 32 can be smoothly sucked into the piston cavity 316 by the toothpaste squeezing pump 31 only by providing a small suction force, in order to increase the suction force, the pump body 311 is provided with two piston cavities 316, each piston cavity 316 is provided with a paste suction port 317, the two piston cavities 316 are provided with a paste extrusion port 318 together, the paste suction port 316 is arranged at the bottom 319 of the piston cavity 316, and the paste extruding port 318 is arranged on the side wall of the piston cavity 316 and close to the bottom 319 of the piston cavity 316.

As shown in fig. 13, 15, 16 and 17, the check valve 314 is of a resilient gasket structure, the pad is formed with a fixed pad 3141 in one portion, a movable pad 3142 in one portion connected to the elastic pad, the piston 312 creates suction as it slides within the piston chamber 316 away from the base 319, the suction pulls the removable shim 3142 up and up into the piston chamber 316, the position where the removable shim 3142 is removed becomes the split 3143, the suction draws toothpaste from the toothpaste tube 32 through the split 3143 and into the piston chamber 316, the piston 312 generates a compressive force as it slides within the piston chamber 316 proximate the bottom 319 of the piston chamber 316, the compressive force pushes the movable pad 3142 back to re-register with the fixed pad 3141, the slit 3143 is reclosed by repositioning the movable pad 3142 and the squeezing force forces paste out of the paste ejection port 318 from the piston chamber 316.

As shown in fig. 5, 6 and 7, the handle housing 11 is further provided with an electric component 5, the electric component 5 and the toothpaste squeezing component 3 are arranged in the handle housing 11 in parallel, the electric component 5 at least comprises a switch key 51, a power board 52, a battery 53 and a frequency converter 54, the frequency converter 54 is provided with a frequency moving rod 55, and the tail of the brush handle 22 of the toothbrush head 2 is provided with a perforated joint 27 (as shown in fig. 2, 3 and 4) into which the frequency moving rod 55 is inserted.

As shown in fig. 2-7, a detachable front end cover 12 is disposed at the front end of the handle housing 11, the pump body 311 of the paste pump 31 of the paste squeezing assembly 3 is disposed in the front end cover 12, the front end cover 12 is further provided with a key opening 13 and an access opening 14, the key opening 13 is used for extending a key 313 of the paste pump 31 of the paste squeezing assembly 3, so as to facilitate people to press the key 313, and the access opening 14 is used for butting the paste squeezing opening 318 of the paste pump 31 of the paste squeezing assembly 3 and the frequency lever 55 of the frequency actuator 54 of the electric assembly 5 with the opening connector 24 and the opening connector 27 of the paste outlet channel 23 of the brush holder 22.

As shown in fig. 2-7, the front end of the handle housing 11 is further provided with a partition plate 15, the partition plate 15 is provided with a hole 16 and a placement opening 17, the rear end of the handle housing 11 is provided with a mounting opening 18, the mounting opening 18 is provided with a detachable bottom cover 19, the electric component 5 is placed in the handle housing 11 from the mounting opening 18, a frequency rod 55 on the frequency actuator 54 extends out of the hole 16 and is positioned between the front end cover 12 and the partition plate 15, the toothpaste tube 32 of the toothpaste squeezing component 3 is placed in the handle housing 11 from the placement opening 17, a pump body 311 of the toothpaste squeezing pump 31 is placed between the front end cover 12 and the partition plate 15, for better butt joint between the frequency rod 55 on the frequency actuator 54 and the hole connector 27 and saving space, the pump body 311 is provided with a through hole 310, and the frequency rod 55 on the frequency actuator 54 passes through the through hole 310 and the.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.

Claims

1. A toothbrush capable of squeezing toothpaste out of a tube comprises a handle and a toothbrush head connected with the handle, and is characterized in that the handle comprises a handle shell and a toothpaste pushing assembly arranged in the handle shell, the toothbrush head comprises bristles and a toothbrush handle, the bristles are arranged at the head of the toothbrush handle, a toothpaste outlet channel is arranged in the toothbrush handle, an opening joint of the toothpaste outlet channel is arranged at the tail of the toothbrush handle, an outlet of the toothpaste outlet channel is arranged at the position of the bristles, an elastic sealing element is arranged at the outlet of the toothpaste outlet channel and comprises a sealing plug and a rubber sleeve, a toothpaste outlet window is arranged on the side wall of the sealing plug and communicated with the toothpaste outlet channel, the rubber sleeve is sleeved on the sealing plug, the side wall of the rubber sleeve is tightly attached to the toothpaste outlet window, the upper part of the rubber sleeve extends towards the upper part of the bristles, and the outlet at the upper part of the rubber sleeve faces, the toothpaste squeezing component at least comprises a toothpaste squeezing pump and a toothpaste tube, the toothpaste squeezing pump is communicated with the opening connector, toothpaste is sucked out of the toothpaste tube and squeezed into the toothpaste outlet channel by the toothpaste squeezing pump, the rubber sleeve tube expands to open the toothpaste outlet window under the squeezing force of the toothpaste and elastically returns to seal the toothpaste outlet window when not stressed.

2. The toothbrush for squeezing toothpaste as claimed in claim 1, wherein the sealing plug is provided with a fixing end, the fixing end is provided with a plug, the side wall of the plug is provided with a toothpaste outlet window, the fixing end of the sealing plug is provided with a groove, the lower part of the rubber sleeve is provided with a protrusion, the lower part of the rubber sleeve is clamped and matched with the groove through the protrusion so as to be fixed on the fixing end of the sealing plug, the lower part of the fixing end of the sealing plug is provided with a plug seat, the outlet of the toothpaste outlet channel is provided with an installation cavity, the plug seat is provided with a toothpaste inlet, the plug seat is fixed in the installation cavity, and the toothpaste inlet is communicated with the toothpaste outlet channel.

3. A toothpaste squeezing toothbrush according to claim 1, wherein the upper part of the rubber sleeve is provided with an inclined side wall facing the bristles so that the outlet of the upper part of the rubber sleeve faces the bristles, and the side wall of the upper part of the rubber sleeve, which is close to the bristles, is provided with an axial groove.

4. The toothbrush for squeezing toothpaste according to claim 1, wherein the pump for squeezing toothpaste is disposed at the outlet end of the toothpaste tube, and comprises a pump body, a piston, a button, a check valve, and an elastic member, wherein the pump body is provided with a piston cavity, the piston cavity is provided with a toothpaste suction port and a toothpaste squeezing port, the toothpaste suction port is communicated with the toothpaste tube, the piston cavity is internally provided with the check valve, the check valve can only be opened from the toothpaste suction port to the piston cavity, the piston is slidably disposed in the piston cavity, the button is disposed on the piston and exposed outside the pump body, and the elastic member is disposed between the button and the pump body to provide a restoring elastic force to the button.

5. The toothpaste dispensing toothbrush of claim 4, wherein said one-way valve is of resilient pad construction, the middle part of the gasket is provided with a crack to form a part which is a fixed gasket and a part which is a movable gasket connected with the elastic gasket, the piston generates suction force when sliding away from the bottom of the piston cavity in the piston cavity, the suction force pulls the movable gasket to tilt in the piston cavity, the position where the movable gasket leaves is changed into a cut opening, the toothpaste is sucked into the piston cavity from the toothpaste tube through the cut opening by the suction force, the piston can generate extrusion force when sliding in the piston cavity close to the bottom of the piston cavity, the extrusion force pushes the movable gasket back to coincide with the fixed gasket again, the opening is closed again due to the reset of the movable gasket, and the toothpaste is extruded out of the toothpaste extruding opening from the piston cavity by the extruding force.

6. The toothpaste dispensing toothbrush of claim 4, wherein the toothpaste suction port is disposed at the bottom of the piston chamber, and the toothpaste dispensing port is disposed at the sidewall of the piston chamber and near the bottom of the piston chamber.

7. A toothpaste dispensing toothbrush according to claim 1 wherein said toothpaste tube has a movable plug disposed therein, said movable plug being free to slide between the outlet end and the trailing end of the toothpaste tube.

8. The toothpaste squeezing toothbrush according to claim 1, wherein the handle housing further comprises a power assembly, the power assembly and the toothpaste squeezing assembly are arranged in the handle housing in parallel, the power assembly at least comprises a switch button, a power board, a battery and a motor, the motor is provided with a frequency moving rod, and the tail of the toothbrush handle of the toothbrush head is provided with a hole-opened joint for the frequency moving rod to be inserted into.

9. The toothbrush for squeezing toothpaste as claimed in claim 8, wherein the front end of the handle housing is provided with a detachable front end cap, the pump body of the paste squeezing pump of the paste squeezing assembly is arranged in the front end cap, the front end cap is further provided with a key opening and an access opening, the key opening is used for allowing a key of the paste squeezing pump of the paste squeezing assembly to extend out, and the access opening is used for butting the paste squeezing port of the paste squeezing pump of the paste squeezing assembly and the frequency rod of the electric assembly frequency actuator with the opening joint and the opening joint of the paste outlet channel of the brush handle.

10. The toothbrush for squeezing toothpaste according to claim 9, wherein the front end of the handle housing further comprises a partition plate, the partition plate is provided with a hole and a placement opening, the rear end of the handle housing is provided with a mounting opening, the mounting opening is provided with a detachable bottom cover, the electric component is placed in the handle housing from the mounting opening, the frequency rod on the frequency actuator extends out of the hole and is positioned between the front end cover and the partition plate, the toothpaste tube of the toothpaste squeezing component is placed in the handle housing from the placement opening, and the pump body of the toothpaste squeezing pump is positioned between the front end cover and the partition plate.