CN108095296B

CN108095296B - Tooth brush

Info

Publication number: CN108095296B
Application number: CN201810134463.5A
Authority: CN
Inventors: 王振斌
Original assignee: Suzhou Jugu Technology Co ltd
Current assignee: Suzhou Jugu Technology Co ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2020-08-28
Anticipated expiration: 2038-02-09
Also published as: CN108095296A

Abstract

The invention discloses a toothbrush, which comprises a brush handle and a brush head connected to the front end of the brush handle, wherein a toothpaste outlet is formed in the bristle planting surface of the brush head, a toothpaste cavity extending from the front end to the rear end of the brush handle is formed in the brush head, a toothpaste outlet channel consistent with the extension direction of the toothpaste cavity is formed in the brush head, one end of the toothpaste outlet channel is communicated with the toothpaste cavity, the other end of the toothpaste outlet channel is communicated with the toothpaste outlet, the brush handle is connected with a toothpaste driving mechanism, the toothpaste driving mechanism comprises a first guide rod and a second guide rod, the first guide rod extends into the toothpaste cavity, the first guide rod is sleeved on the second guide rod, and the second guide rod can move along the lengthwise direction of the first guide rod and extends into the toothpaste outlet channel. The toothbrush of the invention can discharge toothpaste from the hair planting surface, and the toothpaste in the toothpaste discharge channel can be fully used, thereby preventing the waste of the toothpaste.

Description

Tooth brush

Technical Field

The invention relates to an article for daily use, in particular to a toothbrush.

Background

Toothbrushes are a type of brush used for cleaning teeth. Generally, when a toothbrush is used for brushing teeth and cleaning teeth, toothpaste is squeezed on the toothbrush, which means that the toothbrush and the toothpaste are matched for use when the toothbrush is used for brushing teeth, people often need to carry both the toothbrush and the toothpaste when going out and travel, if the people forget to carry either toothbrush, unnecessary troubles are brought, in the prior art, some toothbrushes and the toothpaste are combined into one, but the toothbrush and the toothpaste are generally only used for one time and are discarded once, and the waste of resources is caused.

In addition, in the daily use process of a household, people generally need to send toothpaste out of a toothpaste tube onto a toothbrush and then start brushing the teeth, and the step wastes time, so that the multifunctional toothbrush integrating toothpaste and toothbrush is urgently needed.

Disclosure of Invention

The invention aims to provide a toothbrush which is convenient to use, saves resources and can save time of a user.

In order to achieve the purpose, the invention provides a toothbrush, which comprises a brush handle and a brush head connected to the front end of the brush handle, wherein a toothpaste outlet is formed in the bristle planting surface of the brush head, a toothpaste cavity extending from the front end to the rear end of the brush handle is formed in the brush head, a toothpaste outlet channel consistent with the extension direction of the toothpaste cavity is formed in the brush head, one end of the toothpaste outlet channel is communicated with the toothpaste cavity, the other end of the toothpaste outlet channel is communicated with the toothpaste outlet, the brush handle is connected with a toothpaste driving mechanism, the toothpaste driving mechanism comprises a first guide rod and a second guide rod, the first guide rod extends into the toothpaste cavity, the first guide rod is sleeved on the second guide rod, and the second guide rod can move along the lengthwise direction of the first guide rod and extend into the toothpaste outlet channel.

As a further improvement of an embodiment of the present invention, the toothpaste driving mechanism further includes a third guide rod, the second guide rod is sleeved on the third guide rod, the first guide rod and the second guide rod are circumferentially fixed, and the rotation of the third guide rod can drive the second guide rod to move.

As a further improvement of an embodiment of the present invention, the toothpaste driving mechanism further includes a knob assembly disposed at the rear end of the toothpaste handle, the knob assembly includes a first knob fixedly connected to the first guide rod and a second knob fixedly connected to the third guide rod, and the first knob and the second knob can rotate relatively.

As a further improvement of an embodiment of the present invention, the first knob is disposed on a periphery of the second knob.

As a further improvement of an embodiment of the present invention, the second guide bar and the third guide bar are engaged by internal and external threads.

As a further improvement of an embodiment of the present invention, the toothpaste driving mechanism further includes a sealing disc connected to the periphery of the first guide rod, the sealing disc is circumferentially fixed to the brush handle, and the rotation of the brush handle can drive the sealing disc to move along the first guide rod in the toothbrush cavity.

As a further improvement in one embodiment of the invention, the head portion extends into the paste chamber and is removably connected to the handle.

As a further improvement of one embodiment of the present invention, a face of the sealing disc facing the brush head is configured as a convex inclined plane, and the shape of the end face of the brush head connected with one end of the brush handle is matched with the inclined plane.

As a further improvement of one embodiment of the invention, the paste outlet is constructed by a plurality of small holes which are arranged at intervals and are arranged on the hair planting surface.

As a further improvement of an embodiment of the present invention, a guide groove extending along a longitudinal direction of the first guide bar is provided inside the first guide bar, a clamping portion extending into the guide groove is provided on the second guide bar, and the second guide bar moves along the longitudinal direction of the first guide bar through cooperation of the clamping portion and the guide groove.

Compared with the prior art, the invention has the beneficial effects that: the toothpaste driving mechanism drives the toothpaste in the toothpaste channel to be automatically extruded out, the toothpaste is extruded out from the bristle planting surface of the brush head, the toothpaste can be fully dissolved, the toothpaste is prevented from being wasted, the toothpaste and the toothbrush are integrated, and the use is more convenient.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.

In the drawings:

FIG. 1 is a schematic perspective view of a toothbrush in a preferred embodiment of the present invention;

FIG. 2 is a schematic perspective view of the brushhead portion of the toothbrush of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1 with the closing disk of the paste drive mechanism in an initial position;

FIG. 4 is a view similar to FIG. 3, with the closing disk of the paste drive mechanism in the terminal position;

fig. 5 is a view similar to fig. 3, with the third guide rod of the paste drive mechanism extending into the paste outlet passage.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

Referring to fig. 1 to 3, in a preferred embodiment of the present invention, a toothbrush includes a handle 10 and a head 30 connected to a front end of the handle 10, the handle 10 is provided with a toothpaste chamber 11 extending from the front end to a rear end thereof, and a toothpaste outlet 31 is formed on a bristle-planted surface of the head 30. In this embodiment, the brush head 30 is preferably provided with a toothpaste outlet channel 32 which has the same extending direction as the toothpaste cavity, one end of the toothpaste outlet channel 32 is communicated with the toothpaste cavity 11, and the other end of the toothpaste outlet channel 32 leads to the toothpaste outlet 31, that is, the toothpaste in the toothpaste cavity 11 passes through the toothpaste outlet channel 32 and then reaches the toothpaste outlet 31.

Head 30 includes a head 301 having bristles 33, a connecting portion 303 connected to handle 10, and a shaft 302 located between head 301 and connecting portion 303, wherein the connecting portion 303 has a peripheral shape and size matching the shape and size of the inner wall of paste chamber 11, and connecting portion 303 extends into paste chamber 11 to be detachably connected to handle 10. It is preferred in this embodiment that brush holder 10 is constructed cylindrically, and toothpaste chamber 11 is constructed for cylindric cavity, and connecting portion 303 also is constructed for cylindricly and its external diameter is equivalent with toothpaste chamber 11's internal diameter, and connecting portion 303 is provided with the external screw thread, and toothpaste chamber 11 is provided with the internal thread, and brush head 30 and brush holder 10 link together through thread engagement detachable, and it can only replace brush head 30 when conveniently changing the toothbrush, thereby brush holder 10 can used repeatedly practices thrift the cost more.

In order to facilitate the extrusion of the toothpaste in the toothpaste cavity 11, the brush handle 10 is connected with a toothpaste driving mechanism, and the toothpaste driving mechanism is used for extruding the toothpaste in the toothpaste cavity 11 and the toothpaste in the toothpaste outlet channel 32 from the toothpaste outlet 31. The toothpaste driving mechanism comprises a first guide rod 61, a second guide rod 62 and a third guide rod 62 which extend into the toothpaste cavity 11 and a sealing disc 64 connected to the periphery of the first guide rod 61, the first guide rod 61 is sleeved on the second guide rod 62, the second guide rod 62 is sleeved on the third guide rod 63, the sealing disc 64 is circumferentially fixed with the brush handle 10, and the rotation of the brush handle 10 can drive the sealing disc 64 to move in the toothpaste cavity 11 along the first guide rod 61. The first guide rod 61 is configured as a threaded guide rod, the sealing disc 64 is in threaded engagement with the first guide rod 61, the first guide rod 61 is fixed, the sealing disc 64 rotates, and the sealing disc 64 moves along the first guide rod 61 while rotating, so that the toothpaste in the toothpaste cavity 11 is driven. The closing disk 64 may be made of an elastic material such as rubber, silicone, etc., or may be another rigid plastic or rigid material. Wherein, the face of the sealing disc 64 facing the brush head 30 is configured as a convex inclined plane, the end face shape of the connecting part 303 of the brush head 30 connected with the brush handle 10 is matched with the inclined plane, and the inclined plane makes the toothpaste enter the toothpaste outlet channel 32 from the toothpaste cavity 11 more easily, so that the operation of squeezing the toothpaste is more labor-saving.

In addition, in order to make the toothpaste in the toothpaste outlet channel 32 fully used, the second guide rod 62 and the third guide rod 63 are also engaged through threads, the second guide rod 62 is circumferentially fixed with the first guide rod 61, for example, a guide groove 611 extending along the longitudinal direction of the first guide rod 61 is arranged in the first guide rod 61, a clamping part 621 extending into the guide groove 61 is arranged on the second guide rod 62, the clamping part 621 can be configured as a protrusion, the protrusion moves in the guide groove to limit the rotation of the second guide rod 62 relative to the first guide rod 61, when the third guide rod 63 rotates, the second guide rod 62 moves along the longitudinal direction, and the radial dimension of the second guide rod 62 is matched with the radial dimension of the toothpaste outlet channel 32, so that the second guide rod 62 can extend into the toothpaste outlet channel 32 to extrude the toothpaste in the toothpaste outlet channel 32. The rear end of brush holder 10 is provided with the knob subassembly, the knob subassembly includes first knob 71 of fixed connection first guide arm 61 and the second knob 72 of fixed connection third guide arm 63, can the relative rotation between first knob 71 and the second knob 72, that is to say, operation first knob 71 can drive first guide arm 61 rotatory, operation second knob 72 can drive third guide arm 63 rotatory, and, when crowded toothpaste, can be that operation brush holder 10 is rotatory relative to first knob 71, also can be that operation first knob 71 is rotatory relative to brush holder 10, all can drive a set 64 removal in order to extrude toothpaste. Wherein, the first knob 71 is arranged at the periphery of the second knob 72, the first knob 71 is configured in a cross shape to facilitate the finger to touch, operate and rotate, when the sealing plate 64 is moved to the terminal position, the first knob 71 can not rotate continuously, the user can know that the toothpaste in the toothpaste cavity 11 is used up, and the toothpaste in the toothpaste outlet channel 32 can be extruded for continuous use by independently rotating the second knob 72.

In this embodiment, the toothpaste outlet 31 is formed by a plurality of small holes arranged at intervals on the hair-setting surface, the diameter of the small holes is small, the small holes are similar to stamp holes, the toothpaste is semi-fluid, and will not overflow from the small holes under the condition of no external force, and the toothpaste has semi-coagulability and sterilization effect, so that water and bacteria will not enter the toothpaste. Even if the toothpaste is not used for a long time, the toothpaste will not be blocked even if the solidified toothpaste is extruded because the pore diameter is small. Of course, the toothpaste outlet can also be selectively communicated, for example, an elastic plug is arranged at the toothpaste outlet, the elastic plug can be opened under the pressure when the toothpaste is squeezed, and the toothpaste is automatically closed after being squeezed, so that water or impurities are prevented from entering.

In this embodiment, the brush head 30 is configured to be removably mounted to the handle 10, and the stored toothpaste in the handle 10 may be approximately 3 months of use, depending on the dentist's recommended three month replacement of the toothbrush, and when the toothpaste is exhausted, the user is aware of the refill and the replacement of the brush head.

The process of operating the toothbrush to squeeze toothpaste out will be described in detail below, as shown in fig. 3, the sealing plate 64 of the toothpaste driving mechanism is in an initial position, when teeth are brushed, the sealing plate 64 can be driven to move by rotating the brush handle 10 or rotating the first knob 71, and toothpaste in the toothpaste cavity 11 is pushed by the sealing plate to be squeezed out from the toothpaste outlet 31 through the toothpaste outlet channel 32. Referring to fig. 4, the sealing plate 64 of the toothpaste driving mechanism is at the terminal position, the toothpaste in the toothpaste cavity 11 is completely extruded, the brush handle 10 or the first knob 71 is continuously rotated, and the sealing plate 64 is abutted against the end surface of the connecting portion 303 of the brush head 30, and cannot be continuously rotated, and the second knob 72 can be independently rotated, the rotation of the second knob 72 drives the third guide rod 63 to rotate, the second guide rod 62 is driven by the third guide rod 63 to extend out of the first guide rod 61 and extend into the toothpaste outlet channel 32, so that the second guide rod 62 pushes the toothpaste in the toothpaste outlet channel 32 to be extruded from the toothpaste outlet 31, as shown in fig. 5.

Above-mentioned embodiment extrudes toothpaste through operation toothpaste actuating mechanism, goes out the cream from the bristle planting face of brush head, and toothpaste can fully dissolve, prevents that toothpaste is extravagant, goes out toothpaste in the cream passageway also can make full use of not remaining moreover, conveniently adds or changes after having used up, thereby need not to change whole toothbrush resources are saved more.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A toothbrush comprises a brush handle and a brush head connected to the front end of the brush handle, wherein a toothpaste outlet is formed in the bristle planting surface of the brush head, a toothpaste cavity extending from the front end to the rear end of the brush handle is formed in the brush head, a toothpaste outlet channel is formed in the brush head and is consistent with the extending direction of the toothpaste cavity, one end of the toothpaste outlet channel is communicated with the toothpaste cavity, the other end of the toothpaste outlet channel is communicated with the toothpaste cavity, the brush handle is connected with a toothpaste driving mechanism, the toothpaste driving mechanism is used for extruding toothpaste in the toothpaste cavity and the toothpaste in the toothpaste outlet channel from the toothpaste outlet, the toothpaste driving mechanism comprises a first guide rod and a second guide rod which stretch into the toothpaste cavity, the first guide rod is sleeved on the second guide rod, the second guide rod is operable to move along the lengthwise direction of the first guide rod and stretch into the toothpaste outlet channel, and further comprises a third guide rod, the second guide rod is sleeved on the third guide rod, the first guide rod and the second guide rod are circumferentially fixed, and the second guide rod can be driven to move by the rotation of the third guide rod.

2. The toothbrush of claim 1, wherein the toothpaste driving mechanism further comprises a knob assembly disposed at a rear end of the toothpaste handle, the knob assembly comprising a first knob fixedly connected to the first guide rod and a second knob fixedly connected to the third guide rod, the first knob and the second knob being capable of relative rotation.

3. The toothbrush of claim 2, wherein the first knob is disposed about a periphery of the second knob.

4. The toothbrush of claim 1, wherein the second guide rod and the third guide rod are engaged by internal and external threads.

5. The toothbrush of claim 1, wherein the paste driving mechanism further comprises a cover plate attached to the periphery of the first guide rod, the cover plate being circumferentially fixed to the handle, wherein rotation of the handle causes the cover plate to move along the first guide rod within the brush cavity.

6. The toothbrush of claim 5 wherein said head portion extends into said paste chamber and is removably connected to said handle.

7. The toothbrush of claim 6, wherein the face of the cover facing the head is configured as a convex ramp, the end face of the head connected to the end of the handle being shaped to match the ramp.

8. The toothbrush of claim 1, wherein the paste outlet is configured as a plurality of spaced apart apertures disposed in the bristle face.

9. The toothbrush according to claim 1, wherein the first guide bar is provided therein with a guide groove extending in a longitudinal direction thereof, the second guide bar is provided with a catching portion extending into the guide groove, and the second guide bar moves in the longitudinal direction of the first guide bar by cooperation of the catching portion and the guide groove.