CN212345729U

CN212345729U - Toothbrush head of toothbrush for squeezing toothpaste

Info

Publication number: CN212345729U
Application number: CN202021156215.XU
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: 2021-01-15
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a toothbrush head of a toothbrush for squeezing toothpaste, which comprises a brush hair and a brush handle, the brush hair is arranged at the head part of the brush handle, a toothpaste outlet channel is arranged in the brush handle, the opening joint of the cream outlet channel is positioned at the tail part of the brush handle, the outlet of the cream outlet channel is positioned at the brush hair, an outlet of the paste outlet passage is provided with an elastic sealing element which comprises a sealing plug and a rubber sleeve, the side wall of the sealing plug is provided with a paste outlet window which 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 to the upper parts of the bristles, the outlet at the upper part of the rubber sleeve faces the bristles, the rubber sleeve expands to open the paste outlet window under the squeezing and pushing force of toothpaste, and the toothpaste outlet window is elastically restored when the toothbrush is not stressed, so that the toothpaste in the toothbrush is prevented from being polluted.

Description

Toothbrush head of toothbrush for squeezing toothpaste

Technical Field

The utility model relates to the technical field of tooth cleaning, in particular to a toothbrush head of 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a toothbrush head of toothbrush of crowded toothpaste can extrude brush hair upper portion smoothly with toothpaste, has crowded toothpaste back moreover, and it is sealed to go out the cream passageway at the in-process of brushing teeth, avoids going out the toothpaste pollution of not using in the cream passageway.

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

the utility model provides a toothbrush head of toothbrush of crowded toothpaste, wherein, 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 brush holder, 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 with go out the cream passageway and communicate with each other, rubber sleeve pipe suit in the sealing plug, rubber sleeve pipe's lateral wall hug closely in a cream window, rubber sleeve pipe's upper portion extend to brush hair upper portion, the export orientation brush hair on rubber sleeve pipe upper portion, rubber sleeve pipe expand and open out the cream window receiving the crowded thrust of toothpaste, and elasticity resumes in order to seal out the cream window when not atress.

Preferably, the sealing plug is provided with a fixed end, the fixed end is convexly provided with a plug column, and the side wall of the plug column is provided with a paste outlet window.

Preferably, 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 clamped with the groove through the protrusion so as to be fixed on the fixed end of the sealing plug.

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.

Preferably, the side wall of the upper part of the rubber sleeve close to the bristles is provided with an axial groove, so that toothpaste is prevented from being retained on the upper part of the rubber sleeve.

Preferably, the outlet of the paste outlet channel is provided with an installation cavity, the lower part of the fixed end of the sealing plug is provided with a plug seat, the plug seat is provided with a paste inlet, the plug seat is fixed in the installation cavity, and the paste inlet is communicated with the paste outlet channel.

Above technical scheme provides a toothbrush head of toothbrush of crowded toothpaste, is equipped with elastic sealing element through the exit at a toothpaste passageway, and elastic sealing element's rubber sleeve's upper portion extends to brush hair upper portion, and the export on rubber sleeve upper portion is towards the brush hair, can extrude brush hair upper portion smoothly with toothpaste, rubber sleeve expand and open out the cream window receiving the crowded thrust of toothpaste, and elasticity resumes in order to seal out the cream window when not atress, avoids polluting the interior unused toothpaste of toothbrush.

Drawings

Fig. 1 is a perspective view of a toothbrush according to an embodiment of the present invention.

Fig. 2 is an exploded view of a handle and a toothbrush head according to an embodiment of the present invention.

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

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

Fig. 5 is an exploded view of the handle housing, the toothpaste pushing assembly and the electric assembly in an 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 present invention.

Fig. 7 is an exploded view of the power assembly in an embodiment of the toothbrush of the present invention.

Fig. 8 is an exploded view of the paste ejection assembly in 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 an embodiment of the toothbrush of the 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 paste pump according to an embodiment of the toothbrush of the present invention.

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

Fig. 13 is a sectional view of a paste pump according to an embodiment of the toothbrush of the present invention.

Fig. 14 is a sectional view of the pump body in an embodiment of the toothbrush of the present invention.

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

Fig. 16 is a perspective view of a one-way valve in an embodiment of the toothbrush of the present invention.

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

Detailed Description

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

Referring to fig. 1 to 17, the present invention provides a toothbrush for squeezing toothpaste, including a handle 1 and a toothbrush head 2 connected to the handle, wherein the handle 1 includes a handle housing 11 and a toothpaste pushing assembly 3 installed in the handle housing 11, the toothbrush head 2 includes bristles 21 and a handle 22, the bristles 21 are disposed at the head of the handle 22, a toothpaste outlet channel 23 is disposed in the handle 22, an opening joint 24 of the toothpaste outlet channel 23 is disposed at the tail of the handle 22, an outlet 25 of the toothpaste outlet channel 23 is disposed at the bristles 21, an elastic sealing member 4 is disposed at the outlet 25 of the toothpaste outlet channel 23, the elastic sealing member 4 includes a sealing plug 41 and a rubber sleeve 42, a toothpaste outlet window 43 is disposed 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 recovers 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 that people can conveniently 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 application, and all equivalent changes made according to the design key of the present application fall within the protection scope of the present application.

Claims

1. A toothbrush head of a toothbrush for squeezing toothpaste is characterized in that 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, the opening joint of the paste outlet channel is positioned at the tail part of the brush handle, the outlet of the paste outlet channel is positioned at the brush hair, an outlet of the paste outlet passage is provided with an elastic sealing element which comprises a sealing plug and a rubber sleeve, the side wall of the sealing plug is provided with a paste outlet window which 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 to the upper part of the brush hair, the outlet at the upper part of the rubber sleeve faces to the brush hair, the rubber sleeve expands to open the toothpaste outlet window under the extrusion pushing force of toothpaste, and elastically recovers to close the toothpaste outlet window when the rubber sleeve is not stressed.

2. The head of claim 1, wherein the sealing plug has a fixing end, the fixing end has a plug, and the side wall of the plug has a toothpaste outlet window.

3. A head of a toothbrush for dispensing toothpaste as claimed in claim 2, wherein the fixing 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 engaged with the groove by the protrusion to be fixed to the fixing end of the sealing plug.

4. The toothbrush head of a toothbrush for squeezing toothpaste according to claim 2, wherein the outlet of the toothpaste outlet channel is provided with a mounting cavity, the lower part of the fixed end of the sealing plug is provided with a plug seat, the plug seat is provided with a toothpaste inlet, the plug seat is fixed in the mounting cavity, and the toothpaste inlet is communicated with the toothpaste outlet channel.

5. A head for a toothpaste squeezing toothbrush according to claim 1, wherein the upper portion of the gel sleeve is provided with an inclined side wall facing the bristles so that an outlet of the upper portion of the gel sleeve faces the bristles.

6. A head for a toothpaste dispensing toothbrush according to claim 1 wherein the upper portion of the gel sleeve is axially slotted adjacent the side walls of the bristles to prevent toothpaste from remaining in the upper portion of the gel sleeve.