CN215130575U

CN215130575U - Dental floss stick

Info

Publication number: CN215130575U
Application number: CN202120637290.6U
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: 2021-12-14
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to a dental floss rod, which comprises a shell and dental floss, wherein the 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 the second end of the dental floss is wound on the second winding body after passing 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. The utility model discloses a power supply drive bobbin rotates for new dental floss is put long, old dental floss is withdrawed, thereby uses the old dental floss on the end with new dental floss replacement, makes the efficiency that the dental floss was changed higher.

Description

Dental floss stick

Technical Field

The utility model belongs to the technical field of oral care instrument technique and specifically relates to indicate a dental floss stick.

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 discloses a replaceable dental floss pick, which is provided with a floss outlet at the joint of a handle part and a floss fixing part, so that the dental floss in the handle part can be pulled out through the floss outlet to replace the used dental floss, and in this way, the dental floss is replaced, and the dental floss still needs to be pulled by manual operation, so that the problem of the reduced cleanliness of the dental floss also exists.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the mode of overcoming manual change dental floss among the prior art is comparatively loaded down with trivial details, on the other hand, change the in-process, the bacterium that carries on hand shifts to on the dental floss, the problem that leads to the cleanliness of dental floss to descend, provide a dental floss stick for this reason, it passes through power supply drive winding body and rotates, make the old dental floss on the new dental floss alternative use end, the efficiency that makes the dental floss change is higher, the problem that the dental floss in-process hand and dental floss direct contact lead to the decline of dental floss cleanliness has been avoided simultaneously to the dental floss.

In order to solve the technical problem, the utility model provides a dental floss rod, which comprises a shell and a dental floss, wherein the first end of the shell is arranged as a using end to tighten the dental floss, the shell is internally provided with a first winding body and a second winding body, the first end of the dental floss is wound on the first winding body, and the second end of the dental floss is wound on the second winding body after passing 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 an embodiment of the present 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 to a power source, and the power source drives the first winding body and the second winding body to rotate.

In an 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 engaged with each other are provided in the housing, the first winding body is coaxially connected to the first gear, and the second winding body is coaxially connected to the second gear.

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

In an embodiment of the present invention, in order to facilitate the control of the rotation angle of the first winding body, the housing is provided with a first control element, a first end of the first control element is provided with a gear tooth adapted to the first gear, the housing is provided with a first through hole, and the gear tooth passes through the first through hole and engages with the first gear.

In an embodiment of the present invention, in order to automatically reset the first control element, a reset element is further disposed between the first control element and the housing.

In an 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 move the dental floss along a fixed moving track, a positioning member is disposed in the housing, and the dental floss passes through the positioning member to restrict the moving track of the dental floss.

In an embodiment of the present invention, in order 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 winding body and the second winding body.

In one embodiment of the invention, in order to maintain hygiene inside the housing, a cleaning brush is provided at the end of the floss, which passes through the U-shape of the housing, against which the floss abuts.

Compared with the prior art, the technical scheme of the utility model have following advantage:

a dental floss stick pass through power supply drive winding body and rotate for new dental floss is put long, old dental floss is withdrawed, thereby uses the old dental floss on the end with new dental floss replacement, makes the efficiency that the dental floss was changed higher, on the other hand, owing to change the dental floss through the mode that the winding body receive and releases, has avoided the direct contact of hand with the dental floss, can keep the cleanliness of dental floss, has improved this dental floss stick's practicality.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic structural view of a dental floss pick in 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).

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 positioning member; 14. a cleaning brush.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first", "second", "third", and the like are used for distinguishing names, rather than representing specific numbers and orders.

Referring to fig. 1 and 2, a dental floss rod of the present invention includes a housing 100 and a dental floss 2, a first end of the housing 100 is configured as a using end to tighten the dental floss 2, a first winding body 301 and a second winding body 302 are disposed 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. It should be noted that, the first gear 401 and the second gear 402 are respectively and coaxially connected with the first winding body 301 and the second winding body 302 through the transmission shaft 12, when the power source drives the first winding body 301 to rotate, the first gear 401 coaxially disposed 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 rotation directions of the first winding body 301 and the second winding body 302 are opposite, at this time, the winding direction of the dental floss 2 on the first winding body 301 should be the same as the winding direction thereof 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, the first winding body 301 is further coaxially connected with a crank 5, and the crank 5 is disposed outside the casing 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, the housing 100 is provided with a first control element 6, a first end of the first control element 6 is provided with a gear tooth 7 adapted to the first gear 401, the housing 100 is provided with a first through hole 8, 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 piece 9 that resets can set up to the structure that can elastic deformation wantonly such as rubber pad, the utility model discloses a better embodiment does: 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 the 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, a positioning member 13 is disposed in the housing 100, and the dental floss 2 passes through the positioning member 13 to restrict the moving track of the dental floss 2. The moving track of the dental floss 2 is restrained by the positioning part 13, so that the dental floss 2 moves along the set track, the dental floss 2 can be kept tight, and meanwhile, the problem that the dental floss 2 is wound due to the fact that the moving track of the dental floss 2 is not fixed can be avoided.

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 14 through the U-shaped end of the housing 100, the floss 2 abutting the cleaning brush 14. In the new and old replacement process of the dental floss 2, when the used dental floss 2 passes through the cleaning brush 14, the cleaning brush 14 separates food residues attached to the dental floss 2 from the dental floss 2, so that the food residues attached to the dental floss 2 are prevented from being withdrawn into the shell 100 along with the dental floss 2, the cleanliness in the shell 100 is kept, and meanwhile, when the dental floss rod is cleaned, only the cleaning brush 14 needs to be detached for independent 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 changes and modifications can be made without departing from the 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 1, wherein: the dental floss is characterized in that a positioning piece is arranged in the shell, and the dental floss penetrates through the positioning piece to restrict the moving track of the dental floss.

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.