CN112842592A

CN112842592A - Dental floss stick

Info

Publication number: CN112842592A
Application number: CN202110335214.4A
Authority: CN
Inventors: 武婧; 缪可言
Original assignee: Suzhou University
Current assignee: Suzhou University
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-05-28

Abstract

The present invention relates to a dental floss stick, comprising a housing and dental floss, a first end of the housing is set as a use end to tighten the dental floss, and a first winding body and a second winding body are arranged in the housing A wire winding body, the first end of the dental floss is wound on the first wire winding body, and the second end of the dental floss passes through the first end of the housing and is wound around the second wire on the winding body; the first winding body and the second winding body can be rotated, the dental floss is unwound when the first winding body rotates, and the dental floss is reeled when the second winding body rotates dental floss. The invention drives the winding body to rotate through the power source, so that the new dental floss is extended and the old dental floss is retracted, so that the old dental floss on the use end is replaced with the new dental floss, so that the dental floss replacement efficiency is higher.

Description

Dental floss stick

Technical Field

The invention relates to the technical field of oral care tools, in particular to a dental floss rod.

Background

The dental floss rod is also called dental floss pick, and is a product used together with a toothbrush in daily oral cavity care. The dental floss rod removes residues in the gaps of teeth and dental plaques on the adjacent surfaces of the teeth through dental floss so as to keep the oral hygiene.

The existing dental floss rod is a disposable consumable and high in use cost, so that the dental floss rod capable of replacing dental floss is derived, the dental floss is complicated to replace and needs to be manually replaced, and bacteria carried on hands are transferred to the dental floss in the replacement process, so that the cleanliness of the dental floss is reduced.

The application numbers are: CN201520032274.9 patent discloses a dental floss pick capable of replacing dental floss, which is characterized in that a dental floss outlet is arranged at the joint of a handle part and a dental floss fixing part, so that the dental floss in the handle part can be pulled out through the dental floss outlet to replace the used dental floss, and in this way, the dental floss is replaced, and still needs to be pulled through manual operation, so that the replacement of the dental floss is tedious, and the manual replacement mode also causes bacteria carried by hands to be transferred onto the dental floss, resulting in the problem of reduced cleanliness of the dental floss.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the problems that the manual replacement of the dental floss in the prior art is complicated, and on the other hand, the cleanliness of the dental floss is reduced due to the transfer of bacteria carried by hands onto the dental floss during the replacement process.

In order to solve the technical problems, the invention provides a dental floss rod, which comprises a shell and dental floss, wherein a first end of the shell is arranged as a using end to tighten the dental floss, a first winding body and a second winding body are arranged in the shell, the first end of the dental floss is wound on the first winding body, and a second end of the dental floss is wound on the second winding body after penetrating through the first end of the shell; the first winding body and the second winding body can rotate, the first winding body is unwound when rotating, and the second winding body is wound when rotating.

In one embodiment of the invention, in order to facilitate driving the first winding body and the second winding body to rotate, the first winding body and the second winding body are connected with a power source, and the power source drives the first winding body and the second winding body to rotate.

In one embodiment of the present invention, in order to make the first winding body and the second winding body rotate synchronously, a first gear and a second gear which are meshed with each other are arranged in the shell, the first winding body is coaxially connected with the first gear, and the second winding body is coaxially connected with the second gear.

In one embodiment of the present invention, in order to increase the rotation rate of the first winding body, a crank is further coaxially connected to the first winding body, and the crank is disposed outside the housing.

In an embodiment of the present invention, in order to facilitate control of a rotation angle of the first winding body, a first control member is disposed on the housing, a first end of the first control member is provided with a gear tooth adapted to the first gear, and the housing is provided with a first through hole through which the gear tooth is engaged with the first gear.

In one embodiment of the invention, in order to automatically reset the first control element, a reset element is further arranged between the first control element and the shell.

In one embodiment of the present invention, in order to more stably drive the first gear to rotate, a second through hole is formed in the housing, a rack is inserted into the second through hole, the rack is engaged with the first gear, and the rack can move along a radial direction of the second through hole.

In one embodiment of the present invention, in order to facilitate replacement of the winding body, the first gear and the second gear are connected to the first winding body and the second winding body respectively through transmission shafts, and the first winding body and the second winding body are detachably connected to the transmission shafts.

In one embodiment of the present invention, to facilitate the use of the dental floss, the first end of the housing is provided in a U-shape, and both ends of the dental floss pass through inner walls of both sides of the U-shaped end of the housing, respectively, to be wound on the first and second windings.

In one embodiment of the invention, in order to maintain hygiene within the housing, the dental floss is provided with a cleaning brush through the U-shaped end of the housing, the dental floss abutting the cleaning brush.

Compared with the prior art, the technical scheme of the invention has the following advantages:

according to the dental floss rod, the power source drives the winding body to rotate, so that the new dental floss is lengthened, the old dental floss is withdrawn, the old dental floss on the use end is replaced by the new dental floss, the dental floss replacement efficiency is higher, on the other hand, the dental floss is replaced in a winding and unwinding mode through the winding body, the direct contact between hands and the dental floss is avoided, the cleanliness of the dental floss can be kept, and the practicability of the dental floss rod is improved.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic structural view of a dental flosser in accordance with a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the dental flosser of FIG. 1;

FIG. 3 is a top view of a first embodiment of the dental flosser of FIG. 1;

FIG. 4 is a front view of the second embodiment of the dental flosser of FIG. 1 (without the cover plate);

FIG. 5 is an enlarged view of portion A of the dental flosser of FIG. 4;

FIG. 6 is an enlarged view of the portion B of the dental flosser of FIG. 4;

FIG. 7 is a front view of the embodiment three of the dental flosser of FIG. 1 (without the cover plate);

fig. 8 is a schematic view of a connection structure of the first gear, the second gear, the transmission shaft, the first winding body and the second winding body of the dental floss bar shown in fig. 2.

The specification reference numbers indicate: 100. a housing; 101. a body; 102. a cover plate; 2. dental floss; 301. a first winding body; 302. a second winding body; 401. a first gear; 402. a second gear; 5. a rocking handle; 6. a first control member; 7. gear teeth; 8. a first through hole; 9. a reset member; 10. a second through hole; 11. a rack; 12. a drive shaft; 13. a cleaning brush.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1 and 2, a dental floss rod of the present invention comprises a housing 100 and a dental floss 2, wherein a first end of the housing 100 is provided as a using end to tighten the dental floss 2, a first winding body 301 and a second winding body 302 are provided in the housing 100, the first end of the dental floss 2 is wound on the first winding body 301, and a second end of the dental floss 2 is wound on the second winding body 302 after passing through the first end of the housing 100; the first winding body 301 and the second winding body 302 can rotate, the dental floss 2 is unwound when the first winding body 301 rotates, and the dental floss 2 is wound when the second winding body 302 rotates. The first winding body 301 is rotated to unwind the dental floss 2, paying out unused dental floss 2 from the first winding body 301, and the second winding body 302 is rotated to take up the dental floss 2, taking up used dental floss 2 onto the second winding body 302, thereby completing the replacement of the dental floss 2 at the first end of the housing 100. It should be noted that the housing 100 is composed of a body 101 and a cover plate 102, the body 101 is provided with a pin hole, the cover plate 102 is provided with a plug, and the cover plate 102 is detachably connected to the body 101 in a plugging manner, so that a user can open the cover plate 102 to check the remaining condition of the dental floss 2 in the body 101.

The first winding body 301 and the second winding body 302 are connected with a power source, and the power source drives the first winding body 301 and the second winding body 302 to rotate. Compared with a mode of directly rotating the first winding body 301 and the second winding body 302, the first winding body 301 and the second winding body 302 are driven by a power source to rotate more conveniently.

Referring to fig. 2, a first gear 401 and a second gear 402 are engaged with each other in the housing 100, the first winding body 301 is coaxially connected to the first gear 401, and the second winding body 302 is coaxially connected to the second gear 402. When the power source drives the first winding body 301 to rotate, the first gear 401 coaxially arranged with the first winding body 301 rotates synchronously to drive the second gear 402 to rotate reversely, so that the second winding body 302 rotates synchronously and reversely, and because the rotating directions of the first winding body 301 and the second winding body 302 are opposite, the winding direction of the dental floss 2 on the first winding body 301 is the same as that on the second winding body 302; preferably, the first gear 401 and the second gear 402 should have the same size, so that the rotation rates of the first gear 401 and the second gear 402 can be equal, that is, the unwinding speed of the first winding body 301 is the same as the winding speed of the second winding body 302, so that the dental floss 2 can be kept tight, and the dental floss 2 can be prevented from being broken due to over-stretching.

Referring to fig. 3, in an embodiment of the present invention, a crank 5 is further coaxially connected to the first winding body 301, and the crank 5 is disposed outside the case 100. The first winding body 301 is rotated by rotating the rocking handle 5, so that the second winding body 302 is driven to rotate by the first gear 401 and the second gear 402, i.e. the replacement of the dental floss 2 can be completed by rotating the rocking handle 5.

Referring to fig. 4 and 5, in a preferred embodiment of the present invention, a first control member 6 is disposed on the housing 100, a first end of the first control member 6 is provided with a gear tooth 7 adapted to the first gear 401, a first through hole 8 is disposed on the housing 100, and the gear tooth 7 passes through the first through hole 8 and is engaged with the first gear 401. When the dental floss 2 needs to be replaced, the first control element 6 is pressed down, so that the gear teeth 7 on the first control element 6 are meshed with the first gear 401 to drive the first gear 401 to rotate for a certain angle, then the first control element 6 is lifted up, so that the gear teeth 7 on the first control element 6 are separated from the first gear 401, after the first control element 6 is pressed down again, the gear teeth 7 are meshed with the first gear 401 again to drive the first gear 401 to continue to rotate for a certain angle, and therefore the rotation angle of the first gear 401 can be controlled by the number of times of pressing down the first control element 6.

Referring to fig. 4 and 5, a reset member 9 is further disposed between the first control member 6 and the housing 100. It should be noted that the resetting element 9 may be any elastically deformable structure such as a rubber pad, and a preferred embodiment of the present invention is: the reset piece 9 is a spring, when the first control piece 6 is pressed down, the spring is pressed to store elastic potential energy, and after the external force for pressing the first control piece 6 is cancelled, the spring releases deformation potential energy, so that the first control piece 6 is reset, and a user can conveniently repeatedly press the first control piece 6 to replace the dental floss 2.

Referring to fig. 7, in another embodiment of the present invention, a second through hole 10 is formed in the housing 100, a rack 11 is inserted into the second through hole 10, the rack 11 is engaged with the first gear 401, and the rack 11 can move along a radial direction of the second through hole 10. When the dental floss 2 needs to be replaced, the rack 11 is pushed to drive the first gear 401 to rotate by a certain angle, if the first gear 401 needs to be rotated in the same direction repeatedly, after the rack 11 is pushed to the right position, the rack 11 is moved for a certain distance along the radial direction of the second through hole 10, so that the rack 11 is disengaged from the first gear 401, after the rack 11 is pulled upwards, the rack 11 is reset along the radial direction of the second through hole 10, the rack 11 is engaged with the first gear 401 again, the rack 11 is continuously pushed to drive the first gear 401 to rotate in the same direction repeatedly.

Referring to fig. 2 and 8, the first gear 401 and the second gear 402 are both connected to the first winding body 301 and the second winding body 302 through a transmission shaft 12, respectively, and the first winding body 301 and the second winding body 302 are detachably connected to the transmission shaft 12. Taking the first winding body 301 as an example, the third through hole is formed in the axial direction of the first winding body 301, so that the transmission shaft 12 can penetrate through the first winding body 301, then, a notch is formed in the inner wall of the third through hole, a convex part matched with the notch is arranged on the transmission shaft 12, and after the convex part is aligned with the notch, the transmission shaft 12 penetrates into the through hole, so that the purpose of detachably connecting the first winding body 301 and the transmission shaft 12 can be achieved; it should be noted that the first winding body 301 may be a finished product wound with unused dental floss 2, and after the unused dental floss 2 on the original first winding body 301 is used up, the dental floss rod can be continuously used by replacing the finished first winding body 301, so that the housing part of the dental floss rod can be reused, and the use cost is reduced.

Referring to fig. 1 and 2, the first end of the housing 100 is provided in a U-shape, and both ends of the dental floss 2 pass through inner walls of both sides of the U-shaped end of the housing 100, respectively, to be wound on the first and

second windings

301 and 302. First end sets up to the more convenient to use person's of U-shaped in-service use, when clearing up lower row of tooth, uses the dental floss stick down with the opening of U-shaped end, and when clearing up row of tooth, with the opening of U-shaped end use the dental floss stick up can, compare in the first end of other shapes, the U-shaped has bigger operating space, the convenient to use person pulls the dental floss stick around.

Referring to fig. 4 and 6, the floss 2 is provided with a cleaning brush 13 through the U-shaped end of the housing 100, the floss 2 abutting the cleaning brush 13. In the new and old change process of dental floss 2, when the dental floss 2 after the use passes through the cleaning brush 13, the cleaning brush 13 separates food residues attached to the dental floss 2 from the dental floss 2, and the food residues attached to the dental floss 2 are prevented from being withdrawn into the shell 100 along with the dental floss 2, so that the cleanliness in the shell 100 is kept, and meanwhile, when the dental floss rod is cleaned, only the cleaning brush 13 needs to be detached for separate cleaning, and the aim of simplifying the cleaning step is fulfilled.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. A dental floss pick comprising a housing and dental floss, a first end of the housing being configured as a use end to tighten the dental floss, characterized in that: a first winding body and a second winding body are arranged in the shell, a first end of the dental floss is wound on the first winding body, and a second end of the dental floss penetrates through the first end of the shell and then is wound on the second winding body; the first winding body and the second winding body can rotate, the first winding body is unwound when rotating, and the second winding body is wound when rotating.

2. A dental flosser in accordance with claim 1, wherein: the first winding body and the second winding body are connected with a power source, and the power source drives the first winding body and the second winding body to rotate.

3. A dental flosser in accordance with claim 2, wherein: the shell is internally provided with a first gear and a second gear which are meshed with each other, the first winding body is coaxially connected with the first gear, and the second winding body is coaxially connected with the second gear.

4. A dental flosser in accordance with claim 3, wherein: the first winding body is also coaxially connected with a rocking handle, and the rocking handle is arranged outside the shell.

5. A dental flosser in accordance with claim 3, wherein: the shell is provided with a first control piece, a first end of the first control piece is provided with a gear tooth matched with the first gear, the shell is provided with a first through hole, and the gear tooth penetrates through the first through hole and is meshed with the first gear.

6. A dental flosser in accordance with claim 5, wherein: a reset piece is further arranged between the first control piece and the shell.

7. A dental flosser in accordance with claim 3, wherein: the shell is provided with a second through hole, a rack penetrates through the second through hole, the rack is meshed with the first gear, and the rack can move along the radial direction of the second through hole.

8. A dental flosser in accordance with claim 3, wherein: the first gear and the second gear are respectively connected with the first winding body and the second winding body through transmission shafts, and the first winding body and the second winding body can be detachably connected with the transmission shafts.

9. A dental floss bar according to any one of claims 1-8, wherein: the first end of the shell is U-shaped, and two ends of the dental floss respectively penetrate through the inner walls of two sides of the U-shaped end of the shell to be wound on the first winding body and the second winding body.

10. A dental flosser in accordance with claim 9, wherein: the dental floss is provided with a cleaning brush at the U-shaped end penetrating through the shell, and the dental floss is abutted to the cleaning brush.