CN210988773U

CN210988773U - Piston type electric toothpaste pushing structure with toothpaste squeezing toothbrush

Info

Publication number: CN210988773U
Application number: CN201922041632.3U
Authority: CN
Inventors: 徐龙颜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-14
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a piston of crowded toothpaste toothbrush in area is electronic pushes away cream structure sets up in the handle shell of toothbrush, including electric drive subassembly, piston assembly and the toothpaste pipe of storing toothpaste, wherein, piston assembly with the toothpaste pipe is followed the axial direction of handle shell arranges, the toothpaste pipe is including the toothpaste mouth of the bobbin of storing toothpaste and bobbin front end, piston assembly includes the piston rod and sets up in the piston head of piston rod front end, the piston head assembles into the bobbin from the rear end of toothpaste pipe in, and the piston head forms sealedly with the bobbin, electric drive subassembly links to each other with the piston rod screw thread, and electric drive subassembly drives the piston head with the mode drive piston rod of threaded screw rod and advances or retreat in the bobbin. Adopt electronic piston to push away cream structure, its simple structure, and the safety in utilization is high. The utility model can be used on a non-electric toothbrush, also can be applied on an electric toothbrush, and can brush teeth manually or electrically after extruding toothpaste.

Description

Piston type electric toothpaste pushing structure with toothpaste squeezing toothbrush

Technical Field

The utility model relates to the technical field of tooth cleaning, in particular to a piston type electric toothpaste pushing structure with a toothpaste squeezing toothbrush.

Background

Tooth brushing is an important means for cleaning teeth and keeping oral health, and is also a necessary thing in daily life of people. The most common way of brushing teeth is to open the tube of toothpaste, squeeze out an appropriate amount of toothpaste onto the head of the toothbrush, and then brush the teeth. In order to further improve the convenience of tooth brushing, the toothbrush in the prior art is added with the function of self-carrying toothpaste squeezing. The toothpaste squeezing mode in the prior art comprises a motor mode, an air pressure mode, a hydraulic mode and the like, and the internal structure of the toothpaste squeezing device is complex.

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 piston of area crowded toothpaste toothbrush is electronic pushes away cream structure, its simple structure, and the safety in utilization is high.

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

the piston type electric toothpaste pushing structure is arranged in a handle shell of the toothbrush and comprises an electric driving assembly, a piston assembly and a toothpaste tube for storing toothpaste, wherein the piston assembly and the toothpaste tube are arranged along the axial direction of the handle shell, the toothpaste tube comprises a tube for storing the toothpaste and a toothpaste outlet at the front end of the tube, the piston assembly comprises a piston rod and a piston head arranged at the front end of the piston rod, the piston head is assembled into the tube from the rear end of the toothpaste tube and forms sealing with the tube, the electric driving assembly is in threaded connection with the piston rod, and the electric driving assembly drives the piston rod to drive the piston head to move forwards or backwards in the tube in a threaded screw mode.

Preferably, the driving assembly comprises a motor, a battery, a control panel, a switch button and a pipe fitting, the motor is electrically connected with the control panel and the battery, the switch button is electrically connected with the control panel, and the switch button is arranged on the handle shell to control the rotation of the motor; one end of the pipe fitting is movably connected to a rotating shaft of the motor, the other end of the pipe fitting is provided with an internal thread section, the piston rod is provided with an external thread section, and the external thread section of the piston rod is in threaded connection with the internal thread section of the pipe fitting.

Preferably, the piston assembly further comprises an end cover, a special-shaped hole is formed in the end cover, the piston rod is designed to be in a shape matched with the special-shaped hole, the end cover penetrates through the special-shaped hole to be sleeved on the piston rod, and the end cover covers the rear end of the toothpaste tube.

Preferably, the dysmorphism hole is the quad slit, and the piston rod also is the square pole that suits, and the end cover wears to overlap on the piston rod through the quad slit, covers the rear end at the toothpaste pipe.

Preferably, a piston head at the front end of the piston rod is sleeved with a sealing ring.

Preferably, the front end of the handle shell is provided with an opening for taking out the piston assembly and the toothpaste tube from the handle shell, and the rear end of the isolation cavity is also provided with an opening for taking out the power supply driving assembly from the handle shell.

Preferably, the rear end of the handle shell is also provided with an opening, the power supply driving assembly is taken out of the handle shell, and the handle shell also wraps and supports the rear end cover to cover the opening.

Preferably, the detachable toothbrush head is sleeved at the front end of the handle shell, the toothbrush head comprises a toothbrush head seat, a toothbrush head handle connected with the toothbrush head seat and bristles arranged on the toothbrush head seat, a toothpaste outlet channel for toothpaste to be extruded to the bristles is arranged in the toothbrush head handle and the toothbrush head seat, an inlet of the toothpaste outlet channel is communicated with a toothpaste outlet at the front end of the tube barrel, and an outlet of the toothpaste outlet channel is located in the middle of the toothbrush head seat.

Preferably, the brush head handle and the brush head seat are integrally formed.

Preferably, the brush head handle is a shell, an inner supporting piece is arranged in the shell, a groove is arranged on the inner supporting piece, the inner supporting piece is plugged in the shell, and a paste channel is formed by the groove and the inner wall of the shell.

Preferably, the bristles are arranged around an outlet of the paste outlet channel, and a sealing element is arranged at the outlet of the paste outlet channel.

Preferably, the sealing member includes sealed tube, sealing part, elastic deformation portion and fixed part, the sealed tube lateral wall is equipped with the opening, and the sealed tube is located go out the export of cream passageway, the opening of sealed tube communicates with each other with the export that goes out the cream passageway, sealed tube top-down includes conical groove, cylindric holding tank in proper order, and the lateral wall of cylindric holding tank is located to the opening, conical groove, cylindric holding tank intercommunication.

Preferably, the upper part of the sealing tube is approximately flush with or slightly lower than the upper part of the bristles.

Preferably, the sealing tube is shorter than the upper parts of the bristles and is close to the root parts of the flush bristles, and an extension tube is integrally formed or screwed with the sealing tube so that the toothpaste can be guided to the upper parts of the bristles from the root parts of the bristles.

Preferably, sealing portion, elastic deformation portion, fixed part elastic rubber spare as an organic whole, sealing portion, elastic deformation portion locate in the sealed tube, the terminal surface under the sealed tube is located to the fixed part, sealing portion is the toper stopper, and it laminates with the taper groove mutually, can realize the sealed of the export of going out the cream passageway.

Preferably, the elastic deformation portion is accommodated in an accommodating groove, and a radial dimension of the accommodating groove is larger than a radial dimension of the elastic deformation portion, so that a paste discharge gap is formed between the elastic deformation portion and an inner wall of the accommodating groove.

Preferably, the fixing portion is an annular piece connected to a lower end of the elastic deformation portion.

Preferably, the sealing member formed by the sealing portion, the elastic deformation portion and the fixing portion is substantially h-shaped.

Preferably, the upper part of the sealing part is provided with a guide pillar, and during assembly, the guide pillar penetrates into the accommodating groove from the lower end of the sealing pipe and then penetrates out of the tapered groove, so that the sealing part and the elastic deformation part are conveniently integrally pulled into the sealing pipe.

Preferably, the elastic deformation portion has a cylindrical shape and is connected to a lower portion of the sealing portion.

Above technical scheme provides a piston type electric toothpaste pushing structure with toothpaste squeezing toothbrush, adopts electric piston type paste pushing structure, and its simple structure, and the safety in use is high.

Drawings

FIG. 1 is a perspective view of the toothbrush of the present invention;

FIG. 2 is a perspective sectional view of the toothbrush of the present invention;

FIG. 3 is an assembled view of the components of the toothbrush of the present invention;

FIG. 4 is an assembly view of the piston type electric toothpaste pushing structure of the toothbrush of the present invention;

FIG. 5 is an assembled sectional view of the piston type electric toothpaste pushing structure of the toothbrush of the present invention;

FIG. 6 is an exploded view of the piston-type electric toothpaste-pushing structure of the toothbrush of the present invention;

fig. 7 is an exploded sectional view of the piston type electric toothpaste pushing structure 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.

As shown in fig. 1-7, a piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste is provided in a handle housing 1 of the toothbrush, and comprises an electric driving assembly 2, a piston assembly 3 and a toothpaste tube 4 for storing toothpaste, wherein the piston assembly 3 and the toothpaste tube 4 are arranged along an axial direction of the handle housing 1, the toothpaste tube 4 comprises a tube 41 for storing toothpaste and a toothpaste outlet 42 at a front end of the tube, the piston assembly 3 comprises a piston rod 31 and a piston head 32 arranged at the front end of the piston rod, the piston head 32 forms a seal with the tube 41, the electric driving assembly 2 is in threaded connection with the piston rod 31, and the electric driving assembly 2 drives the piston rod 31 to advance or retreat the piston head 32 in the tube 41 in a threaded screw manner.

The piston assembly 3 further comprises an end cover 33, the end cover 33 is provided with a special-shaped hole 331, the piston rod 31 is designed to be in a shape corresponding to the special-shaped hole, and the end cover 33 is sleeved on the piston rod 31 through the special-shaped hole 331 and covers the rear end of the toothpaste tube 4. The special-shaped hole 331 is a square hole, the piston rod 31 is also a corresponding square rod, the end cover 33 is sleeved on the piston rod 31 through the square hole and covers the rear end of the toothpaste tube 4,

the piston head 32 is provided with a mounting neck 321, and the mounting neck 321 is sleeved with the sealing ring 34. The sealing ring 34 can be tightly attached to the inner wall of the tube 41 to realize the 'syringe type' paste pushing. The piston rod 31 is in a long rod shape, and the rod body of the piston rod 31 is provided with an external thread section.

The driving assembly 2 comprises a motor 21, a battery 22, a control panel 23, a switch button 24 and a pipe fitting 25, wherein the motor 21 is electrically connected with the control panel 23 and the battery 22, the switch button 24 is electrically connected with the control panel 23, and the switch button 24 is arranged on the handle shell 1 to control the rotation of the motor 21; one end of the pipe 25 is movably connected to the rotating shaft 211 of the motor 21, the other end of the pipe 25 is provided with an internal thread section, and the external thread section of the rod body of the piston rod 31 is screwed with the internal thread section of the pipe 25.

The front end of the handle shell 1 is provided with an opening 111 for taking out the piston assembly 3 and the toothpaste tube 4 from the handle shell 1; the rear end of the handle shell 1 is also provided with an opening 112, the power supply driving component 2 is taken out of the handle shell 1, and the handle shell 1 also wraps and supports a rear end cover 113 which covers the opening 112.

The front end cover of handle shell 1 is equipped with detachable toothbrush head 5, makes things convenient for toothbrush head 5's change, toothbrush head 5 includes brush head seat 51, brush head handle 55 and the setting that links to each other with brush head seat 51 are in brush hair 52 on the brush head seat 51, brush head handle 55 and brush head seat 51 integrated into one piece, be equipped with in brush head handle 55 and the brush head seat 51 and supply toothpaste to extrude the play cream passageway 53 to brush hair 52, the entry 56 switch-on of play cream passageway 53 the play cream mouth 42 of bobbin 4 front end, the export 57 of play cream passageway 53 is located the middle part of brush head seat 51. The brush head handle 55 is a casing, an inner support member 54 is arranged in the casing, a groove is arranged on the inner support member 54, the inner support member 54 is plugged in the casing, and the groove and the inner wall of the casing form a paste channel 53.

The bristles 52 are arranged around the outlet 57 of the paste outlet channel 53, and the outlet 57 of the paste outlet channel 53 is provided with a sealing member 6.

Sealing member 6 includes sealed tube 64, sealing 61, elastic deformation portion 62 and fixed part 63, the sealed tube 64 lateral wall is equipped with opening 65, and sealed tube 64 locates go out the export 57 of cream passageway 53, and sealed tube 64's opening 65 communicates with each other with the export 57 that goes out cream passageway 53, sealed tube 64 top-down includes tapered groove 641, cylindric holding tank 642 in proper order, and the lateral wall of cylindric holding tank 642 is located to opening 65, tapered groove 641, cylindric holding tank 642 intercommunication. The upper portion of the sealing tube 64 is approximately flush with or slightly lower than the upper portions of the bristles 52, but the sealing tube 64 may be shorter than the upper portions of the bristles 52 and approximately flush with the root portions of the bristles 52, and an extension tube 66 is integrally formed or screwed into the sealing tube 64 to guide the toothpaste from the root portions of the bristles 52 to the upper portions of the bristles 52.

The sealing portion 61, the elastic deformation portion 62, and the fixing portion 63 are elastic rubber members formed integrally, the sealing portion 61 and the elastic deformation portion 62 are disposed in the sealing tube 64, the fixing portion 63 is disposed on the lower end surface of the sealing tube 64, the sealing portion 61 is a tapered plug which is attached to the tapered groove 641, and can seal the outlet 57 of the paste outlet passage 53. The elastic deformation portion 62 has a cylindrical shape and is connected to a lower portion of the sealing portion 61. The elastic deformation portion 62 is accommodated in an accommodation groove 642, and a radial dimension of the accommodation groove 642 is larger than a radial dimension of the elastic deformation portion 62, so that a paste discharge gap is formed between the elastic deformation portion 62 and an inner wall of the accommodation groove 642. The fixing portion 63 is an annular piece connected to the lower end of the elastic deformation portion 62, and the sealing member 6 formed by the sealing portion 61, the elastic deformation portion 62 and the fixing portion 63 is substantially h-shaped. The guide post 67 is disposed on the upper portion of the sealing portion 61, and during assembly, the guide post 67 is inserted into the receiving groove 642 from the lower end of the sealing tube 64 and then passes through the tapered groove 641, so that the sealing portion 61 and the elastic deformation portion 62 are integrally pulled into the sealing tube 64.

The utility model discloses there is the theory of operation: when the switch button 24 is pressed, the control board 23 electrically connects the motor 21 with the battery 22, the rotating shaft 211 of the motor 21 rotates to drive the tube 25 to rotate, the piston rod 31 is driven by a threaded screw to drive the piston head 32 to advance in the tube 41, toothpaste in the tube 41 is squeezed into a paste outlet gap formed by the accommodating groove 642 and the elastic deformation portion 62 through the paste channel 53 from the paste outlet 42, and the sealing portion 61 is squeezed upwards, but since the fixing portion 63 is located on the lower end surface of the sealing tube 64, the fixing portion 63 is blocked by the lower end surface of the sealing tube 64 and cannot move upwards, the sealing portion 61 is pushed upwards to pull the elastic deformation portion 62 to elastically extend and deform, so that the joint between the sealing portion 61 and the tapered groove 101 is opened, the toothpaste is squeezed out to the upper part of the brush hair 52 through the extension tube 66, the set paste squeezing time of the control board 23 is over, the motor 21 stops working, and the tube 25, the piston head 32 of the movable piston rod 31 is fixed at the current position in the tube 41, when the extrusion force of the toothpaste disappears, the elastic deformation part 62 returns under the action of the elastic restoring force to enable the sealing part 62 to seal the tapered groove 101, so that the outlet 57 of the toothpaste outlet channel 53 can be sealed in the tooth brushing process after the toothpaste is extruded, the toothpaste which is not used in the toothbrush is prevented from being polluted, and the action of electrically extruding the toothpaste is completed.

After the toothpaste in the tube 41 of the toothpaste tube 4 is used up, the toothbrush head 5 is taken down from the front end of the handle housing 1 to expose the front end opening 111 of the handle housing 1, the toothpaste tube 4 or the piston assembly 3 is taken out from the front end opening 111 of the handle housing 1, the old toothpaste tube is replaced by a new toothpaste tube, or the old toothpaste tube and the piston assembly 3 are put into the handle housing 1 from the front end opening 111 again, and the toothpaste replacement is completed.

Certainly, in order to satisfy people to use the brand toothpaste that they like, the toothbrush head 5 is taken down from the front end of the handle housing 1, the front end opening 111 of the handle housing 1 is exposed, the mouth of the new toothpaste tube is aligned with the toothpaste outlet 42 at the front end of the tube barrel 4, the switch button 24 is pressed for a long time (the pressing mode can be realized by setting the control panel 23, which belongs to the prior art), the control panel 23 electrically communicates the motor 21 with the battery 22, the rotating shaft 211 of the motor 21 rotates reversely to drive the tube member 25 to rotate reversely, the piston rod 31 is driven by the threaded screw to drive the piston head 32 to pull backwards and draw back at the front end of the tube barrel 41 to gradually withdraw, the toothpaste in the new toothpaste tube is sucked into the tube barrel 4 from the toothpaste outlet 42 at the front end of the tube barrel 4 until the piston head 32 retreats to the rear end of the tube barrel 41.

The piston type electric toothpaste pushing structure can be used on a non-electric toothbrush, so that the toothpaste can be squeezed by a button, and the toothbrush can be manually used for brushing teeth after the toothpaste is squeezed; it can also be applied to electric tooth brushes.

The handle shell 1 is also internally provided with an electric component 7, the electric component 7 is used for realizing electric tooth brushing of the toothbrush and at least comprises a switch key 71 and a frequency device 75, the switch key 71 is electrically connected with the control panel 23, the frequency device 45 is connected with the control panel 23 and the battery 22, and the switch key 71 is arranged on the handle shell 1 to control the frequency device 75 to vibrate; the output shaft of the frequency-moving device 75 is detachably fixed with the toothbrush head 5.

The control board 23 is provided with an indicator light 231, the indicator light 231 faces the wall surface of the same side of the handle housing 1 where the switch button 71 and the switch button 24 are arranged, and the handle housing 1 at least corresponds to the indicator light 231 and is transparent or semi-transparent, so that the light of the indicator light 231 can be transmitted out to display the working state of the toothbrush.

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. The utility model provides a piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste, which is arranged in a handle shell of the toothbrush, and is characterized in that: the toothpaste tube comprises an electric drive assembly, a piston assembly and a toothpaste tube for storing toothpaste, wherein the piston assembly and the toothpaste tube are arranged along the axial direction of the handle shell, the toothpaste tube comprises a tube barrel for storing toothpaste and a toothpaste outlet at the front end of the tube barrel, the piston assembly comprises a piston rod and a piston head arranged at the front end of the piston rod, the piston head is assembled into the tube barrel from the rear end of the toothpaste tube, the piston head and the tube barrel form sealing, the electric drive assembly is in threaded connection with the piston rod, and the electric drive assembly drives the piston rod to drive the piston head to move forwards or backwards in the tube barrel in a threaded screw rod mode.

2. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 1, wherein: the driving assembly comprises a motor, a battery, a control panel, a switch button and a pipe fitting, wherein the motor is electrically connected with the control panel and the battery, the switch button is electrically connected with the control panel, and the switch button is arranged on the handle shell to control the rotation of the motor; one end of the pipe fitting is movably connected to a rotating shaft of the motor, the other end of the pipe fitting is provided with an internal thread section, the piston rod is provided with an external thread section, and the external thread section of the piston rod is in threaded connection with the internal thread section of the pipe fitting.

3. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 1, wherein: the piston assembly further comprises an end cover, wherein a special-shaped hole is formed in the end cover, the special-shaped hole is a square hole, the piston rod is also a square rod which is matched with the special-shaped hole, the end cover penetrates through the special-shaped hole to be sleeved on the piston rod, and the end cover is covered at the rear end of the toothpaste tube.

4. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 1, wherein: and a piston head at the front end of the piston rod is sleeved with a sealing ring.

5. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 1, wherein: the front end of the handle shell is provided with an opening for taking out the piston assembly and the toothpaste tube from the handle shell, and the rear end of the isolation cavity is also provided with an opening for taking out the power supply driving assembly from the handle shell; the handle shell rear end also is equipped with the opening, and power supply drive assembly takes out from the handle shell, the handle shell still wraps the support rear end cap, covers at the opening part.

6. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 1, wherein: the detachable toothbrush head is sleeved at the front end of the handle shell, the toothbrush head comprises a toothbrush head seat, a toothbrush head handle connected with the toothbrush head seat and bristles arranged on the toothbrush head seat, a toothpaste outlet channel for toothpaste to be extruded to the bristles is arranged in the toothbrush head handle and the toothbrush head seat, an inlet of the toothpaste outlet channel is communicated with a toothpaste outlet at the front end of the tube barrel, and an outlet of the toothpaste outlet channel is located in the middle of the toothbrush head seat.

7. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 6, wherein: the brush head handle is a shell, an inner supporting piece is arranged in the shell, a groove is arranged on the inner supporting piece, the inner supporting piece is plugged in the shell, and a paste channel is formed by the groove and the inner wall of the shell.

8. The piston type electric toothpaste pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 6, wherein: the bristles are arranged around the outlet of the paste outlet channel, and a sealing piece is arranged at the outlet of the paste outlet channel.

9. The piston-type electric toothpaste-pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 8, wherein: the sealing member includes sealed tube, sealing, elastic deformation portion and fixed part, the sealed tube lateral wall is equipped with the opening, and the sealed tube is located go out the export of cream passageway, the opening of sealed tube communicates with each other with the export that goes out the cream passageway, sealed tube top-down includes bell jar, cylindric holding tank in proper order, and the lateral wall of cylindric holding tank is located to the opening, bell jar, cylindric holding tank intercommunication.

10. The piston-type electric toothpaste-pushing structure with a toothbrush for squeezing toothpaste as claimed in claim 9, wherein: the sealing part, the elastic deformation part and the fixing part are elastic rubber pieces which are integrally formed, the sealing part and the elastic deformation part are arranged in the sealing pipe, the fixing part is arranged on the lower end face of the sealing pipe, the sealing part is a conical plug and is attached to the conical groove, and sealing of an outlet of the paste outlet channel can be achieved.