A toothbrush for squeezing toothpaste

By installing a push paste assembly and an elastic seal in the toothbrush head in the toothbrush handle, the problem of toothpaste being difficult to squeeze on the bristles is solved, and toothpaste contamination is avoided, achieving a more compact design.

CN111568030BActive Publication Date: 2025-04-22XIAMEN MOLING TECH CO LTD
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Patent Information

Application Number
CN202010564444.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-06-19
Publication Date
2025-04-22
Estimated Expiration
2040-06-19

AI Technical Summary

Technical Problem

In existing toothpaste squeezed toothbrushes, it is difficult to squeeze the toothpaste smoothly onto the bristles, and the poor sealing of the paste channel leads to contamination of unused toothpaste, and the complex toothpaste squeezed mechanism leads to the thick handle.

Method used

A toothbrush including a handle and a toothbrush head is designed. The handle is equipped with a paste push assembly, and a paste outlet is provided with a paste outlet. The passage outlet is equipped with an elastic seal. The seal consists of a sealing plug and a rubber sleeve. The rubber sleeve expands when subjected to squeeze pressure to open the paste window, otherwise it is closed to prevent contamination.

Benefits of technology

The smooth squeeze of toothpaste onto the bristles is achieved, and the unused toothpaste contamination in the paste outlet channel is avoided, and the toothpaste squeeze mechanism is simplified, making the handle more compact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a toothbrush for squeezing toothpaste, comprising a handle and a toothbrush head connected to the handle, the handle comprising a handle shell and a paste pushing assembly, the toothbrush head comprising bristles and a brush handle, the bristles being arranged at the head of the brush handle, a paste outlet channel being arranged in the brush handle, an opening joint of the paste outlet channel being arranged at the tail of the brush handle, an outlet of the paste outlet channel being arranged at the bristles, an elastic sealing member being arranged at the outlet of the paste outlet channel, the elastic sealing member comprising a sealing plug and a rubber sleeve, a paste outlet window being arranged on the side wall of the sealing plug, the paste outlet window being communicated with the paste outlet channel, the rubber sleeve being sleeved on the sealing plug, the side wall of the rubber sleeve being tightly attached to the paste outlet window, the upper part of the rubber sleeve extending toward the upper part of the bristles, the outlet of the upper part of the rubber sleeve facing the bristles, the paste squeezing assembly at least comprising a paste squeezing pump and a toothpaste tube, the paste squeezing pump being communicated with the opening joint, the paste squeezing pump sucking toothpaste out of the toothpaste tube and squeezing it into the paste outlet channel, the rubber sleeve expanding to open the paste outlet window under the squeezing thrust of the toothpaste, and elastically recovering to close the paste outlet window when no force is applied.
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Description

Technical Field

[0001] The invention relates to the technical field of teeth cleaning, in particular to a toothbrush for squeezing toothpaste. Background Art

[0002] Brushing teeth is an important means of cleaning teeth and maintaining oral health, and it is something people often do in their daily lives. In addition to traditional manual toothbrushing, the popular electric toothbrushes have been widely accepted by people because of their convenience, high cleaning efficiency and good cleaning effect. In order to further increase the convenience of manual toothbrushing and electric toothbrushing, some existing manual toothbrushes and electric toothbrushes have added a built-in toothpaste squeezing function. That is, toothpaste is stored in the toothbrush handle, and the toothpaste is squeezed out through the channel onto the brush head of the toothbrush manually or electrically. However, there are many defects in the prior art, such as the toothpaste cannot be squeezed smoothly onto the top of the bristles, the paste outlet of the brush head channel is not well sealed, resulting in contamination of unused toothpaste in the channel, and the toothpaste squeezing mechanism is complicated, resulting in a thick toothbrush handle.

[0003] In view of this, the prior art needs to be improved. This case arises from this. Summary of the invention

[0004] The object of the present invention is to provide a toothbrush for squeezing toothpaste, which realizes the toothbrush's built-in toothpaste squeezing function and can smoothly squeeze toothpaste onto the upper part of the bristles. After squeezing the toothpaste, the paste outlet channel is closed during the brushing process to avoid contamination of unused toothpaste in the paste outlet channel.

[0005] To achieve the above object, the solution of the present invention is:

[0006] A toothbrush for squeezing toothpaste, comprising a handle and a toothbrush head connected to the handle, wherein the handle comprises a handle shell and a paste pushing assembly installed in the handle shell, the toothbrush head comprises bristles and a brush handle, the bristles are arranged at the head of the brush handle, a paste outlet channel is arranged in the brush handle, an opening joint of the paste outlet channel is located at the tail of the brush handle, the outlet of the paste outlet channel is located at the bristles, an elastic sealing member is arranged at the outlet of the paste outlet channel, the elastic sealing member comprises a sealing plug and a rubber sleeve, and the side wall of the sealing plug is provided with a sealing plug. A paste outlet window is provided, and the paste outlet window is communicated with the paste outlet channel. The rubber sleeve is sleeved on the sealing plug, and the side wall of the rubber sleeve is tightly attached to the paste outlet window. The upper part of the rubber sleeve extends toward the upper part of the bristles, and the outlet of the upper part of the rubber sleeve faces the bristles. The paste squeezing component at least includes a paste squeezing pump and a toothpaste tube. The paste squeezing pump is communicated with the open joint, and the paste squeezing pump sucks the toothpaste out of the toothpaste tube and squeezes it into the paste outlet channel. The rubber sleeve expands to open the paste outlet window under the squeezing thrust of the toothpaste, and elastically recovers to close the paste outlet window when no force is applied.

[0007] Preferably, the sealing plug is provided with a fixed end, a plug column is protruding from the fixed end, a paste outlet window is provided on the side wall of the plug column, the fixed 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 fixed to the fixed end of the sealing plug by engaging the protrusion with the groove, a plug seat is provided at the lower part of the fixed end of the sealing plug, an installation cavity is provided at the outlet of the paste outlet channel, a paste inlet is provided on the plug seat, the plug seat is fixed in the installation cavity, and the paste inlet is communicated with the paste outlet channel.

[0008] Preferably, the upper portion of the rubber sleeve is provided with an inclined side wall facing the bristles, so that the outlet of the upper portion of the rubber sleeve faces the bristles, and the upper portion of the rubber sleeve is provided with an axial groove on the side wall close to the bristles.

[0009] Preferably, the paste squeezing pump is arranged at the outlet end of the toothpaste tube, and the paste squeezing pump comprises a pump body, a piston, a button, a one-way valve, and an elastic member. The pump body is provided with a piston cavity, and the piston cavity has a paste suction port and a paste squeezing port. The paste suction port is communicated with the toothpaste tube, and a one-way valve is arranged in the piston cavity. The one-way valve can only be opened from the paste suction port to the piston cavity. The piston is slidably arranged in the piston cavity, the button is arranged on the piston and exposed outside the pump body, and the elastic member is arranged between the button and the pump body to provide a restoring elastic force to the button.

[0010] Preferably, the one-way valve is an elastic gasket structure, and a crack is formed in the middle of the gasket to form a part that is a fixed gasket and a part that is a movable gasket connected to the elastic gasket. When the piston slides away from the bottom of the piston cavity in the piston cavity, suction will be generated. The suction will pull the movable gasket up and tilt it into the piston cavity. The position where the movable gasket leaves becomes a cut. The suction will suck the toothpaste from the toothpaste tube into the piston cavity through the cut. When the piston slides close to the bottom of the piston cavity in the piston cavity, an extrusion force will be generated. The extrusion force will push the movable gasket back to overlap with the fixed gasket again. The cut is closed again due to the resetting of the movable gasket, and the extrusion force will squeeze the toothpaste out of the piston cavity through the paste extrusion port.

[0011] 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.

[0012] Preferably, a movable plug is provided in the toothpaste tube, and the movable plug slides freely between the outlet end and the tail end of the toothpaste tube.

[0013] Preferably, an electric component is also installed in the handle housing, and the electric component and the paste squeezing component are installed in parallel in the handle housing. The electric component at least includes a switch button, a power board, a battery and a frequency converter, and the frequency converter is provided with a frequency converter rod. The tail of the brush handle of the toothbrush head is provided with an open hole joint for inserting the frequency converter rod.

[0014] Preferably, a detachable front end cover is provided at the front end of the handle housing, and the pump body of the paste squeezing pump of the paste squeezing assembly is placed in the front end cover. The front end cover is also provided with a button opening and an access port. The button opening is for the button of the paste squeezing pump of the paste squeezing assembly to extend out, and the access port is for the paste squeezing port of the paste squeezing pump of the paste squeezing assembly, the frequency moving rod of the frequency moving device of the electric assembly to be connected with the opening joint and the open hole joint of the paste outlet channel of the brush handle.

[0015] Preferably, the front end of the handle shell is also provided with a partition plate, the partition plate is provided with a hole and a placement port, the rear end of the handle shell is provided with a mounting port, the mounting port is provided with a detachable bottom cover, the electric component is placed into the handle shell from the mounting port, the frequency-moving rod on the frequency-moving device extends from the hole and is located between the front end cover and the partition plate, the toothpaste tube of the paste-extruding component is installed into the handle shell from the placement port, and the pump body of the paste-extruding pump is placed between the front end cover and the partition plate.

[0016] The above technical solution provides a toothbrush for squeezing toothpaste, which is provided with a paste squeezing component, so that the toothbrush has a built-in toothpaste squeezing function, which is convenient for users to use; moreover, by providing an elastic sealing member at the outlet of the paste outlet channel, the upper part of the rubber sleeve of the elastic sealing member extends toward the upper part of the bristles, and the outlet of the upper part of the rubber sleeve faces the bristles, so that the toothpaste can be squeezed smoothly to the upper part of the bristles. The rubber sleeve expands to open the paste outlet window under the squeezing thrust of the toothpaste, and elastically recovers to close the paste outlet window when no force is applied, thereby avoiding contamination of unused toothpaste in the toothbrush. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional assembly diagram of a toothbrush in one embodiment of the toothbrush of the present invention.

[0018] Figure 2 It is an exploded view of the handle and the toothbrush head in one embodiment of the toothbrush of the present invention.

[0019] Figure 3 It is an exploded view of a toothbrush head and an elastic sealing member in one embodiment of a toothbrush of the present invention.

[0020] Figure 4 It is a half-section view of a toothbrush head in one embodiment of the toothbrush of the present invention.

[0021] Figure 5 This is an exploded view of the handle housing, the paste pushing component and the electric component in one embodiment of the toothbrush of the present invention.

[0022] Figure 6 This is an exploded view of the paste pushing component and the electric component in one embodiment of the toothbrush of the present invention.

[0023] Figure 7 It is an exploded view of the electric component in one embodiment of the toothbrush of the present invention.

[0024] Figure 8 This is an exploded view of the paste pushing component in one embodiment of the toothbrush of the present invention.

[0025] Fig. 9 It is a cross-sectional view of the rear end of a toothbrush according to an embodiment of the present invention, in which the movable plug moves to the toothpaste tube.

[0026] Fig.10 It is a cross-sectional view of a movable plug moving toward the outlet end of a toothpaste tube in one embodiment of a toothbrush of the present invention.

[0027] Fig.11 The paste pump of the toothbrush in the embodiment of the present invention is a three-dimensional Figure 1 .

[0028] Fig.12 The paste pump of the toothbrush in the embodiment of the present invention is a three-dimensional Figure 2 .

[0029] Fig.13 It is a cross-sectional view of a paste squeezing pump in one embodiment of a toothbrush of the present invention.

[0030] Fig.14 It is a cross-sectional view of a pump body in one embodiment of a toothbrush of the present invention.

[0031] Fig.15 It is an exploded view of a paste squeezing pump in one embodiment of a toothbrush of the present invention.

[0032] Fig.16 The one-way valve in one embodiment of the toothbrush of the present invention is a three-dimensional Figure 1 .

[0033] Fig.17 The one-way valve in one embodiment of the toothbrush of the present invention is a three-dimensional Figure 2 . DETAILED DESCRIPTION

[0034] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] See also Figures 1 to 17The present invention provides a toothbrush for squeezing toothpaste, comprising a handle 1 and a toothbrush head 2 connected to the handle, wherein the handle 1 comprises a handle shell 11 and a paste pushing component 3 installed in the handle shell 11, the toothbrush head 2 comprises bristles 21 and a brush handle 22, the bristles 21 are arranged at the head of the brush handle 22, a paste outlet channel 23 is arranged in the brush handle 22, an opening joint 24 of the paste outlet channel 23 is located at the tail of the brush handle 22, an outlet 25 of the paste outlet channel 23 is located at the bristles 21, an elastic seal 4 is provided at the outlet 25 of the paste outlet channel 23, the elastic seal 4 comprises a sealing plug 41 and a rubber sleeve 42, the sealing plug A paste outlet window 43 is provided on the side wall of 41, and the paste outlet window 43 is communicated with the paste outlet channel 23. The rubber sleeve 42 is sleeved on the sealing plug 41, and the side wall of the rubber sleeve 42 is tightly attached to the paste outlet window 43. The upper part of the rubber sleeve 42 extends toward the upper part of the bristles, and the rubber sleeve 42 has an upper outlet 45 facing the bristles. The paste squeezing component 3 at least includes a paste squeezing pump 31 and a toothpaste tube 32. The paste squeezing pump 31 is communicated with the open joint 24. The paste squeezing pump 31 sucks the toothpaste out of the toothpaste tube 32 and squeezes it into the paste outlet channel 23. The rubber sleeve 42 expands to open the paste outlet window 43 under the squeezing thrust of the toothpaste, and elastically recovers to close the paste outlet window 43 when no force is applied.

[0036] like Figure 3 , 4 As shown, because the sealing plug 41 and the rubber sleeve 42 of the elastic sealing member 4 are usually made of silicone, which is different from the material of the brush handle 22, in order to facilitate manufacturing, the outlet 25 of the paste outlet channel 23 is provided with a mounting cavity 26, and the sealing plug 41 is provided with a fixed end 411, and a plug column 412 is protruding from the fixed end 411, and a paste outlet window 43 is provided on the side wall of the plug column 412, and a plug seat 413 is provided at the lower part of the fixed end 411, and a paste inlet 414 is provided on the plug seat 413, and the plug seat 413 is fixed in the mounting cavity 26, and the paste inlet 414 is communicated with the paste outlet channel 23.

[0037] like Figure 3 , 4 As shown, in order for the rubber sleeve 42 to be able to be mounted on the sealing plug 41 without separation, the fixed end 411 of the sealing plug 41 is provided with a groove 415, and the lower part of the rubber sleeve 42 is provided with a protrusion 421. The lower part of the rubber sleeve 42 is fixed to the fixed end 411 of the sealing plug 41 by engaging with the groove 415 through the protrusion 421.

[0038] like Figure 3 , 4As shown, in order to be able to squeeze the toothpaste smoothly to the upper part of the bristles 21 and evenly distribute it on the upper part of the bristles 21 to produce an effect similar to that of manually squeezing toothpaste, the upper part of the rubber sleeve 42 is provided with an inclined side wall 44 facing the bristles 21, so that the outlet 45 on the upper part of the rubber sleeve 42 faces the bristles, and the fluidity of the toothpaste is utilized to make the toothpaste squeezed out from the outlet 45 of the rubber sleeve 42 flow smoothly to the upper part of the bristles 21.

[0039] like Figure 3 , 4 As shown, in order to prevent toothpaste from being retained on the upper part of the rubber sleeve 42 , an axial groove 46 is provided on the side wall of the upper part of the rubber sleeve 42 close to the bristles 21 .

[0040] like Figure 5 , 6 As shown in 8-16, the paste squeezing pump 31 is arranged at the outlet end 321 of the toothpaste tube 32, and the paste squeezing 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, and the piston cavity 316 has a paste suction port 317 and a paste squeezing port 318. The paste suction port 317 is communicated with the toothpaste tube 32. A one-way valve 314 is arranged in the piston cavity 316, and 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 arranged in the piston cavity 316, and the button 313 is arranged on the piston 213 and exposed outside the pump body 311. The elastic member 315 is arranged between the button 313 and the pump body 311 to provide a restoring elastic force to the button 313, and the elastic member 315 is a spring.

[0041] like Figure 5 , 6 As shown in 8-17, when the paste squeezing pump 31 sucks out the toothpaste in the toothpaste tube 32, negative pressure will be generated in the toothpaste tube 32. If the toothpaste tube 32 adopts a hose, the negative pressure can be eliminated by utilizing the shrinkage deformation of the hose. If the toothpaste tube 32 adopts a hard tube, a movable plug 33 is provided in the toothpaste tube 32. The movable plug 33 slides freely between the outlet end 321 and the tail end 322 of the toothpaste tube 32 to eliminate the negative pressure, so that the paste squeezing pump 31 only needs to provide a small suction force to smoothly suck the toothpaste in the toothpaste tube 32 into the piston cavity 316. In order to increase the suction force, two piston cavities 316 are provided on the pump body 311. Each piston cavity 316 is provided with a paste suction port 317. The two piston cavities 316 are provided with a paste squeezing port 318 in common. The paste suction port 316 is provided at the bottom 319 of the piston cavity 316. The paste squeezing port 318 is provided on the side wall of the piston cavity 316 and close to the bottom 319 of the piston cavity 316.

[0042] like Fig.13 , 15As shown in FIGS. 16 and 17 , the one-way valve 314 is an elastic gasket structure, on which a part is a fixed gasket 3141, and a part is a movable gasket 3142 connected to the elastic gasket. When the piston 312 slides away from the bottom 319 in the piston chamber 316, suction is generated. The suction pulls the movable gasket 3142 up and tilts it into the piston chamber 316, and the position where the movable gasket 3142 leaves becomes a cutout 3143. The suction sucks the toothpaste from the toothpaste tube 32 into the piston chamber 316 through the cutout 3143. When the piston 312 slides close to the bottom 319 of the piston chamber 316 in the piston chamber 316, an extrusion force is generated. The extrusion force pushes the movable gasket 3142 back to overlap with the fixed gasket 3141 again. The cutout 3143 is closed again due to the resetting of the movable gasket 3142. The extrusion force squeezes the toothpaste out of the piston chamber 316 to the paste squeezing port 318.

[0043] like Figure 5 , 6 As shown in FIG. 7 , the handle housing 11 is further provided with an electric component 5, which is installed in parallel with the paste extrusion component 3 in the handle housing 11. The electric component 5 at least includes a switch button 51, a power board 52, a battery 53 and a frequency actuator 54, and a frequency actuator 54 is provided with a frequency actuator rod 55. The tail of the brush handle 22 of the toothbrush head 2 is provided with an open hole joint 27 (such as Figure 2 , 3 , as shown in 4).

[0044] like Figure 2-7 As shown, a detachable front cover 12 is provided at the front end of the handle housing 11, and a pump body 311 of the paste pump 31 of the paste squeezing component 3 is placed in the front cover 12. The front cover 12 is also provided with a button opening 13 and an access port 14. The button opening 13 allows a button 313 of the paste squeezing pump 31 of the paste squeezing component 3 to extend out, so that people can press the button 313 conveniently. The access port 14 allows a paste squeezing port 318 of the paste squeezing pump 31 of the paste squeezing component 3, a frequency-actuating rod 55 of the frequency-actuating device 54 of the electric component 5 to be connected with the opening joint 24 and the opening joint 27 of the paste outlet channel 23 of the brush handle 22.

[0045] like Figure 2-7As shown, the front end of the handle housing 11 is also provided with a partition plate 15, and the partition plate 15 is provided with a hole 16 and a placement port 17. The rear end of the handle housing 11 is provided with a mounting port 18, and the mounting port 18 is provided with a detachable bottom cover 19. The electric component 5 is placed into the handle housing 11 through the mounting port 18, and the frequency-actuating rod 55 on the frequency-actuating device 54 extends out from the hole 16 and is located between the front end cover 12 and the partition plate 15. The toothpaste tube 32 of the paste-extruding component 3 is installed into the handle housing 11 from the placement port 17, and the pump body 311 of the paste-extruding pump 31 is placed between the front end cover 12 and the partition plate 15. In order to better connect the frequency-actuating rod 55 on the frequency-actuating device 54 with the open hole joint 27 and save space, a through hole 310 is provided on the pump body 311, and the frequency-actuating rod 55 on the frequency-actuating device 54 passes through the through hole 310 and the open hole joint 27.

[0046] The above description is only a preferred embodiment of the present invention and is not a limitation on the design of this case. Any equivalent changes made based on the design key of this case shall fall within the protection scope of this case.

Claims

1. A toothbrush for squeezing toothpaste, comprising a handle and a toothbrush head connected to the handle, characterized in that: The handle comprises a handle shell and a paste squeezing assembly installed in the handle shell, the toothbrush head comprises bristles and a brush handle, the bristles are arranged at the head of the brush handle, a paste outlet channel is arranged in the brush handle, the opening joint of the paste outlet channel is located at the tail of the brush handle, the outlet of the paste outlet channel is located at the bristles, an elastic sealing member is arranged at the outlet of the paste outlet channel, the elastic sealing member comprises a sealing plug and a rubber sleeve, a paste outlet window is arranged on the side wall of the sealing plug, the paste outlet window is communicated with the paste outlet channel, the rubber sleeve is sleeved on the sealing plug, the side wall of the rubber sleeve is tightly attached to the paste outlet window, the upper part of the rubber sleeve extends toward the upper part of the bristles, and the outlet of the upper part of the rubber sleeve faces the bristles, the paste squeezing assembly comprises at least a paste squeezing pump and a toothpaste tube, the paste squeezing pump is communicated with the opening joint, the paste squeezing pump sucks the toothpaste out of the toothpaste tube and squeezes it into the paste outlet channel, the rubber sleeve expands to open the paste outlet window under the squeezing thrust of the toothpaste, and elastically recovers to close the paste outlet window when no force is applied.

2. A toothbrush for squeezing toothpaste as claimed in claim 1, characterized in that: The sealing plug is provided with a fixed end, a plug column is protruding from the fixed end, a paste outlet window is provided on the side wall of the plug column, the fixed end of the sealing plug is provided with a groove, the lower part of the rubber sleeve is provided with a protrusion, and the lower part of the rubber sleeve is fixed to the fixed end of the sealing plug by engaging with the groove through the protrusion, a plug seat is provided at the lower part of the fixed end of the sealing plug, an installation cavity is provided at the outlet of the paste outlet channel, a paste inlet is provided on the plug seat, the plug seat is fixed in the installation cavity, and the paste inlet is communicated with the paste outlet channel.

3. A toothbrush for squeezing toothpaste as claimed in claim 1, characterized in that: 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 upper part of the rubber sleeve is provided with an axial groove on the side wall close to the bristles.

4. A toothbrush for squeezing toothpaste as claimed in claim 1, characterized in that: The paste squeezing pump is arranged at the outlet end of the toothpaste tube, and the paste squeezing pump includes a pump body, a piston, a button, a one-way valve, and an elastic member. The pump body is provided with a piston cavity, and the piston cavity is provided with a paste suction port and a paste squeezing port. The paste suction port is communicated with the toothpaste tube, and a one-way valve is arranged in the piston cavity. The one-way valve can only be opened from the paste suction port to the piston cavity. The piston is slidably arranged in the piston cavity, the button is arranged on the piston and exposed outside the pump body, and the elastic member is arranged between the button and the pump body to provide a restoring elastic force to the button.

5. A toothbrush for squeezing toothpaste as claimed in claim 4, characterized in that: The one-way valve is an elastic gasket structure, and a crack is formed in the middle of the gasket to form a part of a fixed gasket and a part of a movable gasket connected to the elastic gasket. When the piston slides away from the bottom of the piston cavity in the piston cavity, suction will be generated. The suction will pull the movable gasket up and tilt it into the piston cavity. The position where the movable gasket leaves becomes a cut. The suction will suck the toothpaste from the toothpaste tube into the piston cavity through the cut. When the piston slides close to the bottom of the piston cavity in the piston cavity, extrusion pressure will be generated. The extrusion pressure will push the movable gasket back and overlap it with the fixed gasket again. The cut is closed again due to the resetting of the movable gasket, and the extrusion pressure will squeeze the toothpaste out of the piston cavity through the paste extrusion port.

6. A toothbrush for squeezing toothpaste as claimed in claim 4, characterized in that: 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.

7. A toothbrush for squeezing toothpaste as claimed in claim 1, characterized in that: A movable plug is arranged in the toothpaste tube, and the movable plug slides freely between the outlet end and the tail end of the toothpaste tube.

8. A toothbrush for squeezing toothpaste as claimed in claim 1, characterized in that: An electric component is also installed in the handle housing. The electric component and the paste squeezing component are installed in parallel in the handle housing. The electric component at least includes a switch button, a power board, a battery and a frequency actuator. The frequency actuator is provided with a frequency actuator rod. The tail of the brush handle of the toothbrush head is provided with an open hole joint for inserting the frequency actuator rod.

9. A toothbrush for squeezing toothpaste as claimed in claim 8, characterized in that: A detachable front end cover is provided at the front end of the handle shell, and the pump body of the paste squeezing pump of the paste squeezing assembly is placed in the front end cover. The front end cover is also provided with a button opening and an access port. The button opening is for the button of the paste squeezing pump of the paste squeezing assembly to extend out, and the access port is for the paste squeezing port of the paste squeezing pump of the paste squeezing assembly, the frequency moving rod of the frequency moving device of the electric assembly to be connected with the opening joint and the open hole joint of the paste outlet channel of the brush handle.

10. A toothbrush for squeezing toothpaste according to claim 9, characterized in that: The front end of the handle shell is also provided with a partition plate, the partition plate is provided with a hole and a placement port, the rear end of the handle shell is provided with a mounting port, the mounting port is provided with a detachable bottom cover, the electric component is installed into the handle shell from the mounting port, the frequency-moving rod on the frequency-moving device extends from the hole and is located between the front end cover and the partition plate, the toothpaste tube of the paste-extruding component is installed into the handle shell from the placement port, and the pump body of the paste-extruding pump is placed between the front end cover and the partition plate.

Citation Information

Patent Citations

  • Toothbrush capable of squeezing toothpaste

    CN212345728U